CN103889298B - It is implemented as the warewasher of washing system of recirculation circuit containing at least one - Google Patents
It is implemented as the warewasher of washing system of recirculation circuit containing at least one Download PDFInfo
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- CN103889298B CN103889298B CN201280050064.1A CN201280050064A CN103889298B CN 103889298 B CN103889298 B CN 103889298B CN 201280050064 A CN201280050064 A CN 201280050064A CN 103889298 B CN103889298 B CN 103889298B
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- pump
- wash fluid
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- 238000005406 washing Methods 0.000 title claims abstract description 382
- 239000012530 fluid Substances 0.000 claims abstract description 224
- 239000007921 spray Substances 0.000 claims abstract description 84
- 239000002245 particle Substances 0.000 claims abstract description 55
- 239000002351 wastewater Substances 0.000 claims abstract description 36
- 239000002699 waste material Substances 0.000 claims abstract description 25
- 238000005086 pumping Methods 0.000 claims abstract description 17
- 238000005201 scrubbing Methods 0.000 claims description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 32
- 239000007788 liquid Substances 0.000 claims description 23
- 230000002085 persistent Effects 0.000 claims description 23
- 230000005484 gravity Effects 0.000 claims description 11
- 239000003599 detergent Substances 0.000 claims description 6
- 230000002706 hydrostatic Effects 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 238000005429 turbidity Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 description 12
- 238000004140 cleaning Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000011068 load Methods 0.000 description 7
- 230000000875 corresponding Effects 0.000 description 6
- 239000008187 granular material Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 230000002349 favourable Effects 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000001419 dependent Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000009428 plumbing Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000001360 synchronised Effects 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000002596 correlated Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 238000004851 dishwashing Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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Abstract
In order to improve throughput, warewasher has the washing system of at least one band recirculation circuit, and it is with at least one Washing spray nozzle (13;13 1) a, washing tube (14;14 1) and one washing pump (11;11‑1).Dirt collecting system (70) is connected with washing system, and dirt excavationg pump (74;74 1) dirt discharge pipe system (72,73 it is connected to;72 1,73 1), in order to discharge the dirt particle being isolatable from from washing system wash fluid out at least partially.Waste water pump (40) connects maybe can be connected to washing tube (14;14 1) in introducing side, and connection maybe can be connected on the releasing side of waste pipe system (41), is collected in washing tube (14 at least partially for pumping out when necessary;14 1) wash fluid in.
Description
The present invention relates to the warewasher with washing system recirculation circuit, and especially, the present invention
Relating to the industrial appliances washing machine of tableware or vessel, it is with automatic programmed machine or with conveying type device
Tool washing machine realizes.
The method that the invention still further relates to operate this warewasher.
The method that present invention is accordingly directed to operation utensil washing machine, and relate to there is at least one with recirculation
The warewasher of the washing system that loop realizes itself.This washing system has and carries at least one for washing
Wash fluid spray to the nozzle system of the Washing spray nozzle above article to be washed, for collecting at least one
Divide the washing tube of the wash fluid of spray and for the wash fluid being collected in washing tube being supplied at least
The washing pump of one Washing spray nozzle.Dirt-collecting is also provided in the case of according to the warewasher of the present invention
System, it is connected with at least one scrubbing section, and is used for from the spray flowing back into washing tube by means of gravity
Eliminating impurities granule in the wash fluid drenched.Further providing for dirt excavationg pump, its connection maybe can be connected to
In the introducing side of dirt collecting system, and connect the releasing side that maybe can be connected to dirt discharge pipe system
On, for discharging the wash fluid and at least having been enter into dirt collecting system at least partially when necessary
It is isolatable from the dirt particle of the wash fluid being collected in washing tube by means of dirt collecting system.
According to the present invention for the warewasher of tableware or vessel be form be box warewasher (also referred to as
For batch processing dish-washing machine) automatic programmed machine or conveying type warewasher.
The form of conveying type warewasher is flight type warewasher or shelf conveying type utensil especially
Washing machine.Conveying type warewasher is generally used for industrial zone.With article to be washed in washing
The box warewasher that period is held in fixed position is contrary, and article are transmitted logical by conveying type warewasher
Cross the different disposal district of conveying type warewasher.
Conveying type warewasher is generally of at least one and pre-washes district and at least one main scrubbing section, the latter
It is arranged in the downstream pre-washing district, in view of the direction of transfer at article to be washed.Typically at least one
Individual rear scrubbing section or pre-rinsing district are arranged in the downstream of main scrubbing section, and at least one is finally arranged in rinsing district
In the downstream of rear scrubbing section, from the point of view of in the transmission direction.From the point of view of in the transmission direction, directly it is accommodated in
The article kept on conveyer belt or by shelf run in the transmission direction, are typically inserted through intake channel, connect down
That comes pre-washes district, main scrubbing section, rear scrubbing section, final rinsing district and dries district's entrance exit portion.
The aforementioned scrubbing section of conveying type warewasher is each assigned washing system, and described washing system has
Washing pump and the pipe-line system (washing pipeline system) being connected to washing pump, wash fluid is via described washing pump
It is fed into nozzle system or is supplied at least one Washing spray nozzle of nozzle system.It is supplied to nozzle system
The wash fluid of at least one Washing spray nozzle is sprayed at the corresponding scrubbing section of conveying type warewasher and is wanted
Above the article being washed, described article are transported through by the transporter of conveying type warewasher accordingly
Scrubbing section.Each scrubbing section is assigned bucket, Washing spray nozzle the fluid sprayed be accommodated in bucket and/or for
The fluid of the nozzle system in relevant treatment district supplies in bucket.
In the case of usual known conveying type warewasher from the prior art, via finally rinsing district
Spray spout the final rinse fluid of fresh water form is sprayed above article, described final rinse fluid
Being pure form, or can there is further additive it is mixed with, such as rinse aid.At least one
The final rinse fluid of part spray transmits the most district by district via the direction of transfer of cascade system with article.
The final rinse fluid of spray is collected in the bucket (rear washing tube) of rear scrubbing section, after it is via belonging to
The washing pump of the washing system of scrubbing section is delivered to the spray spout of rear scrubbing section from described bucket and (washs afterwards
Nozzle).In rear scrubbing section, wash fluid rinses from article to be washed.It is accumulated in here
Fluid flows into the washing tube of at least one main scrubbing section, and at least one main scrubbing section described is arranged in rear scrubbing section
Upstream, in view of the direction of transfer at article to be washed.Here, usual convection cell is provided with and washes
Wash agent, and by belonging to the pumping system (washing pump) nozzle via main scrubbing section of the washing system of main scrubbing section
(Washing spray nozzle) is sprayed above article.If then fluid flows from the washing tube of main scrubbing section and does not has
Have if further main scrubbing section is set enter to pre-wash district to pre-wash bucket.Pre-wash the fluid warp in bucket
By belonging to the pumping system (pre-washing pump) of the washing system pre-washing district, pre-washing nozzle via pre-wash district
Above spray to article, in order to remove thick spot from which.
Conveying type warewasher is typically provided with washing pump, be in the final rinse fluid of final rinsing district spray
It is fed into the final pipe-line system rinsing district by means of this.This ensure in particular final rinse fluid
Rinse constant volume flow more or less in district eventually.It is envisaged, however, that utilize on-the-spot loine pressure
Such as the pressure of fresh water supply to be directed to finally rinse the pipe-line system in district by final rinse fluid.
In the case of the latter, can arrange between pipe-line system and the spray spout in final rinsing district bootable
Valve, in order to likely interrupt spray spout is supplied final rinse fluid on some time or All Time.
Box warewasher is can manual load and the warewasher of unloading.These include that bell-type utensil is washed
Wash machine or front loading formula warewasher.The form of front loading formula warewasher can be undercounter machine
Device, platform-type machine or self-support front loading formula warewasher.
It is generally of the process for washing articles with the warewasher that box warewasher form realizes
Room.It is generally formed in this process chamber with the washing system that recirculation circuit realizes.Process chamber is generally of cloth
Putting washing tube thereunder, wherein fluid can leave process chamber under gravity and flows back to.Washing tube accommodates
Wash fluid, it is common that water, can provide detergent in the appropriate case wherein.
Washing system has washing pump, the pipe-line system being connected to washing pump and with at least one Washing spray nozzle
Nozzle system.Can be delivered at least by the wash fluid that washing pump will be located in washing tube via pipe-line system
One Washing spray nozzle, and sprayed to be washed by this at least one Washing spray nozzle in the process chamber
Above article.Then the wash fluid sprayed flow back in washing tube under gravity.
Generally enter by two main process steps with the customary furnishings washing machine that box warewasher realizes
Row operation, say, that wash by wash fluid in the very first time, and then with the fresh water being heated
Finally rinse, described in the fresh water that is heated there is metering be added to the rinse aid of the inside.Wash fluid contains
There is the detergent that water and metering add.In order to be able to implement the two process step, real with box warewasher
Existing industrial appliances washing machine is typically provided with two independent fluid systems, and they are completely separate from each other.These are two years old
One of individual fluid system is washing-fluid circuit, and it is responsible for washing articles and utilizes making from washing tube
Fluid.Another fluid system is final rinse fluid system, and it is generally of for heating fresh water
Water heater.
The main task finally rinsed by final rinse fluid is to remove the wash fluid being positioned on article.
Additionally, the final rinse fluid flowed there through in washing tube during final rinsing plays the washing made in washing tube
The effect of fluid regeneration.
Before the fresh water new for final rinsing supply, from washing tube, generally pump out same amount of scrub stream
Body is in on-the-spot waste water network.
The composition of a kind of certain types of industrial appliances washing machine of box warewasher form is covering type
Warewasher.It seals by taking off lid for the process chamber of washing articles.Take off lid can be lifted up, in order to place
Reason room is loaded, and the most again declines, in order to process article.Covering type warewasher
Almost without being provided with inflow platform and outlet platform exceptionally.Flowing into platform is real with precleaning station position in many cases
Existing, described precleaning station position is for carrying out prerinse to article, and mode is by being pushed to put by article
Before in covering type warewasher in frame, it rinsed and/or remove thereon in a manual fashion
Spot.It is typically manual operation by tentatively rinsing the prerinse carried out.For prewashed preliminary rinsing
Typically use the fresh water enforcement of the cold of scene or preheating.In some cases, also use other clear
Clean chemicals tentatively rinses.Outlet platform is for the purpose being dried with for unloading the shelf of article.
Either still realize warewasher with conveying type warewasher with box warewasher, logical
Normal situation is, is subjected to the most preliminary clean operation with manual before article are supplied to warewasher
Pre-wash.This is to prevent owing to such as doing prematurely as napkin or the reason of the thick spot of food debris
Dirty wash fluid.
The present invention is to realize the mesh of the throughput of the warewasher of type mentioned in introduction
's.Especially, it is intended to describe in detail a kind of method and a kind of warewasher, permissible by means of this
Relatively large amount article compared with conventional machine are effectively washed in the unit interval, and without at this being
Machine loading and unloading are equipped with other personnel.
Therefore, it is proposed to a kind of utensil washing with at least one washing system realized with recirculation circuit
Machine, wherein this at least one washing system have the nozzle system with at least one Washing spray nozzle, washing tube and
For the wash fluid being collected in washing tube being supplied to the washing pump of at least one Washing spray nozzle.Dirt is received
Collecting system and at least one washing system are connected and are embodied as from the spray flowing back into washing tube by means of gravity
Eliminating impurities granule in the wash fluid drenched.Dirt excavationg pump connects maybe can be connected to dirt collecting system
In introducing side, and connection maybe can be connected on the releasing side of dirt discharge pipe system, for when necessary
Discharge from scrubbing section and have been enter into the wash fluid of dirt collecting system and at least some of separation at least partially
Dirt particle from the wash fluid being collected in washing tube by means of dirt collecting system.
According to the present invention, warewasher also has waste water pump, and its connection maybe can be connected to drawing of washing tube
Enter on side, and connect and maybe can be connected on the releasing side of waste pipe system, for pump out when necessary to
The wash fluid that a few part is collected in washing tube;Described waste water pump can be coordinated to open with dirt excavationg pump
Dynamic.
Can achieve the advantage that obviously by the solution according to the present invention: by the one hand
Thering is provided dirt collecting system, and provide the pumping out system including waste water pump on the other hand, waste water pump connects
Maybe can be connected in the introducing side of washing tube, and connect the releasing side that maybe can be connected to waste pipe system
On, it is possible to make that typically manually implements outside scrubbing section to pre-wash operation automatization, and to utensil
Washing machine gives this function.By this function performed by warewasher, thus likely save warp
The job step carried out by manual prewashed article.So shorten the working time, thus improve utensil
The throughput of washing machine.
The test carried out in background range of the present invention shows, be typically only capable to by a people carry out operating normal
In the case of rule covering type warewasher, use and likely realize 20% left side according to the solution of the present invention
Right ability improves.This is attributable to the fact especially, i.e. integrates the additional machine function pre-washed and makes
Likely save have to manually to implement for conventional machine loading pre-wash operation.In routine
In the case of warewasher, only it is only possible to realize this when employing more personnel and carrying out operation utensil washing machine
Ability improves.
In case of the method according to the invention, during pre-washing the stage, trigger by this way
The washing pump of tool washing machine so that the wash fluid being collected in washing tube at least partially is fed at least
One Washing spray nozzle, in order to make article be pre-washed.Then, during the dirt discharge stage, with such
Mode starts dirt excavationg pump so that be isolatable from wash fluid by means of dirt collecting system at least partially
Dirt particle is fed into dirt discharge pipe system, in order to make dirt particle be discharged from machine or scrubbing section.
During the main washing stage subsequently, start washing pump by this way so that be collected at least partially
Wash fluid in washing tube is fed at least one Washing spray nozzle, in order to washing articles.Finally, at pump
During going out the stage, start waste water pump by this way so that be collected at least partially in washing tube washes
Wash fluid and be fed into waste pipe system.
In dependent claims 2 to 32, specifically illustrate the favourable of the warewasher according to the present invention send out
Exhibition, and in dependent claims 34 to 41, specifically illustrate the Advantageous developments of the method according to the invention.
Therefore, provide in the advantageous development according to the warewasher of the present invention, dirt collecting system
There is barrel covering sieve and for collecting the dirt of the dirt particle being isolatable from wash fluid by means of bucket covering sieve
Collecting region.Dirt-collecting district is preferably open upwards, but completely encloses at sidepiece.Here dirt is discharged
Guard system should connect or be connectable to dirt-collecting district.
Here it is contemplated that bucket covering sieve is disposed in above dirt-collecting district, and on the direction of supply opening
It is provided with runoff slope, wherein by this way the dirt-collecting district being open upwards should be arranged in supply opening
Lower section so that the dirt particle separated by means of bucket covering sieve can enter dirt-collecting by means of supply opening
District.
A barrel covering sieve (preferably realizing with horizontal screen) is on the one hand set, on the other hand dirt collecting system is set,
Which ensure that the dirt particle rinsed on the article in washing system and be otherwise directed into washing
The dirt particle of fluid can be effectively separated from wash fluid, and is collected with dense in dirt-collecting district
Contracting.Owing to dirt-collecting district is completely enclosed (i.e. fluid tight) at sidepiece, therefore it is collected in dirt-collecting
Dirt particle in district is enclosed relative to the wash fluid in washing tube, even being therefore likely to be due to
It is collected in that the dirt particle in dirt-collecting district is dissolved and the relatively small dirt particle that produces also cannot
Return in the wash fluid being accommodated in washing tube.
On the other hand providing in the case of a solution in accordance with the invention, dirt-collecting district is via dirt
Thing excavationg pump connects or is connectable to dirt discharge pipe system, wherein can incite somebody to action by means of dirt discharge pipe system
The dirt particle being collected in dirt-collecting district is together with the dirt having been enter into dirt collecting system at least partially
The wash fluid of collecting region removes in washing system.So can shorten dirt particle in dirt-collecting district
The time of staying, and therefore shorten the time of staying in washing system, and the most no longer make dirt likely
Dissolve because of the wash fluid recirculation in washing system.
Although the most automatically implementing prerinse therefore, it is possible to use according to the solution of the present invention
Realize stable clean result, even if wash time increased, wherein effectively prevent in wash fluid
Dirt particle situation that article are made dirty again.
Providing in the preferred implementation according to the warewasher of the present invention, the latter is provided with control dress
Putting, it is realized as the most optionally starting washing pump, dirt excavationg pump and waste water pump.Specifically
For, if meter control device so that during pre-washing the stage, it is collected at least partially in washing tube
Wash fluid is fed at least one Washing spray nozzle by means of washing pump.During the dirt discharge stage, extremely
A few part is isolatable from the dirt particle of wash fluid together with the most by means of dirt collecting system
The wash fluid entering dirt collecting system is fed into dirt discharge pipe system by means of dirt excavationg pump.?
During the main washing stage, the wash fluid being collected in washing tube at least partially is supplied to by means of washing pump
To at least one Washing spray nozzle, and during pumping out the stage, it is collected in washing in washing tube at least partially
Wash fluid and be fed into waste pipe system by means of waste water pump.Control device preferably be realized as rely on by means of
Dirt collecting system is isolatable from the amount of the dirt particle of wash fluid to start dirt excavationg pump.
Here can be such as it is contemplated that also set up the device for detecting the filling level in washing tube, wherein
Control device is implemented as rely on detected filling level automatically and the most automatically open
Dynamic dirt excavationg pump.
It is being especially susceptible to realization but in unspent embodiment, control device is being implemented as starts dirt and discharges
Pump reaches the previously determined good persistent period, and wherein this previously determined good persistent period is depended on detected
Filling level.As an alternative or additionally, if such situation it is contemplated that, device is i.e. controlled
There is comparator, for detected filling level is previously determined good or confirmable with at least one
Threshold value compares, and wherein controls device startup dirt excavationg pump and reaches the previously determined good persistent period, and this depends on
In the result compared by means of comparator.
As the alternative to this, it is contemplated that control device and start dirt excavationg pump, until by means of dirt
The wash fluid of previously determined good volume or the wash fluid containing the dirt particle separated are pumped out by excavationg pump,
The most previously determined good volume depends on detected filling level.Also by this embodiment, it is contemplated that
Additionally or alternatively, control device and there is comparator, in order to by detected filling level with
At least one previously determined good or confirmable threshold value compares, and wherein controls device and starts dirt and discharge
(this depends on borrowing for pump, the wash fluid until previously determined good volume or the wash fluid containing dirt particle
Help the result of the comparison that comparator is carried out) it is pumped out.
In this case, provide by the development of the warewasher according to the present invention, discharge to dirt
A kind of device of pump distribution, it is used for determining the wash fluid discharged by dirt excavationg pump or containing the dirt separated
The volume of the wash fluid of grain.
For detecting the device for example, filling level sensor of the filling level in washing tube, it is arranged in washes
Wash in bucket, and be designed to examine continuously or in the predetermined time and/or in the case of scheduled event
Survey the current filling level in washing tube.Here it is contemplated that such as provide pressure transducer, it is arranged in washing
In Tong, and continuously or the predetermined time or in the case of scheduled event detection be accommodated in washing tube
In wash fluid hydrostatic pressure at pressure transducer level, wherein will be examined by means of controlling device
The hydrostatic pressure force value measured is converted into corresponding filling liquid place value.
Can also be such as filling level limit switch for detecting the device of the filling level in washing tube, its
It is arranged in washing tube and is designed to detect whether the filling level in washing tube falls below the most really
The filling level threshold value reserved.In the case of this embodiment, if control device is implemented as so,
It is favourable, i.e. when being unsatisfactory for previously determined good filling level threshold value automatically and preferably selectively
Automatically dirt excavationg pump is started.
In the advantageous development of last-mentioned embodiment, for detecting the dress of the filling level in washing tube
Putting and be made up of at least two filling level limit switch, they are arranged in washing tube and their design side
It is to fall below the first previously determined good filling liquid that formula makes them can detect the filling level in washing tube
Position threshold value or the second previously determined good filling level threshold value.This in the warewasher according to the present invention
In the case of implementation, if being implemented as so by controlling device, it is favourable, i.e. when by means of layout
At least two filling level limit switch in washing tube detects and is only unsatisfactory for the first filling level threshold value
Shi Qidong dirt excavationg pump reached for the first previously determined good or confirmable persistent period.Additionally, here should
Realize by this way controlling device so that when by means of at least two filling liquid being arranged in washing tube
Position limit switch detects and is also unsatisfactory for the second filling level threshold in addition to being unsatisfactory for the first filling level threshold value
Start dirt excavationg pump during value and reached for the second previously determined good or confirmable persistent period.Here first fill
Level threshold corresponds to the level of more than the second filling level threshold value.
As the alternative of last-mentioned embodiment, if such situation it is contemplated that, i.e.
Being made up of two filling level limit switches for detecting the device of the filling level in washing tube, wherein this is extremely
Few two filling level limit switches are arranged in washing tube, and their design makes them detect
Filling level in washing tube is to fall below the first previously determined good filling level threshold value or second previous
The filling level threshold value determined.If being implemented as so by controlling device here, it is favourable, i.e. when borrowing
Help start dirt when at least two filling level limit switch detects and is only unsatisfactory for the first filling level threshold value
Thing excavationg pump, until pumping out the wash fluid of previously determined the first good volume by means of dirt excavationg pump or containing
The wash fluid of dirt particle.Additionally, should be implemented as controlling device when by means of at least two filling liquid
Position limit switch detects and starts dirt excavationg pump when being also unsatisfactory for the second filling level threshold value, until by means of
Dirt excavationg pump pumps out the wash fluid of previously determined the second good volume.
Additionally, according to the solution of the present invention provide from wash fluid discharge dirt particle have efficacious prescriptions
Method, therefore compared with the situation of conventional solution, it is possible to realizes making wash fluid have longer validity period
Limit.This makes it possible to use wash fluid to clean larger amount of tableware, the most just has to be changed.
This decreases the amount of used fresh water, detergent and heat energy especially.
The exemplary of the solution according to the present invention is illustrated in greater detail below in reference to accompanying drawing,
Wherein:
Fig. 1 schematically shows the first reality of the warewasher realized with the form of conveying type warewasher
Execute scheme;
Fig. 2 schematically shows the second reality of the warewasher realized with the form of conveying type warewasher
Execute scheme;
Fig. 3 shows the Hydraulic Power System figure of the washing system of warewasher, and this warewasher is with conveying type device
Tool washing machine realizes, and has integration and pre-wash function and dirt device for transferring;
Fig. 4 shows the Hydraulic Power System figure of the washing system of the first embodiment of warewasher, and this utensil is washed
Machine of washing realizes with box warewasher, and has integration and pre-wash function and dirt device for transferring;
Fig. 5 a-c shows that the process with the warewasher that integration pre-washes function and dirt device for transferring is suitable
Sequence describes;And
Fig. 6 shows the Hydraulic Power System figure of the washing system of the second embodiment of warewasher, and this utensil is washed
Machine of washing realizes with box warewasher, and has integration and pre-wash function and dirt device for transferring.
Fig. 1 shows the longitudinal direction of an embodiment of the conveying type warewasher 50 by the teachings of the present invention realization
Schematic cross-section.Have according to the conveying type warewasher 50 shown in Fig. 1 and pre-wash district 51 and be arranged in
Pre-wash the main scrubbing section 52 in downstream, district 51, such as the sender in article (not shown in figure 1) to be washed
From the point of view of on T.In the case of the conveying type warewasher 50 that figure 1 illustrates, wash afterwards or rinse in advance
District 53 is arranged in the downstream of main scrubbing section 52, and finally rinsing district 54 washs after being arranged in or pre-rinsing district 53
Downstream, as in view of direction of transfer T.
In the case of the conveying type warewasher 50 illustrated, at least pre-wash district 51 and main scrubbing section 52
The most each realize with washing system 10-1 and washing system 10-2.
The article being directly accommodated on conveyer belt 58 or kept by shelf run on direction of transfer T, pass
Intake channel 55, ensuing pre-wash district 51, main scrubbing section 52, rear scrubbing section 53, final rinsing district 54
Exit portion 57 is entered with drying district 56.
The aforementioned processing district 51,52,53,54 of conveying type warewasher 50 is each assigned spray spout
13-1,13-2,13-3,13-4, fluid sprays above article via these nozzles, and article are transmitted by conveyer belt 58
Through corresponding treatment region 51,52,53,54.At least pre-wash district 51, main scrubbing section 52 and rear washing or prebleaching
Wash district 53 and be each assigned bucket (washing tube 14-1,14-2,14-3), the wash fluid of spray be accommodated in its neutralize/
Or the wash fluid of spray spout 13-1,13-2,13-3 for the district 51,52,53 that is correlated with is supplied to wherein.
The conveying type warewasher 50 according to first embodiment of the invention shown in Fig. 1 pre-wash district
51, main scrubbing section 52 and rear scrubbing section 53 each have washing system 10-1,10-2,10-3.Each washing system
10-1,10-2,10-3 is by washing pump 11-1,11-2,11-3, the pipe-line system that is connected to washing pump 11-1,11-2,11-3
12-1,12-2,12-3 and the spray spout 13-1,13-2,13-3 composition being connected to pipe-line system 12-1,12-2,12-3.
Being also provided with controlling device 100 (only symbolically illustrating in figure), it is connected with machine part, and
It is programmed or is otherwise configured to impact and control washing operation.With conveying type warewasher 50
In the case of the embodiment of the present invention realized, control device (especially) and be used for during washing process starting
Washing system 10-1, the corresponding washing pump 11-1 of 10-2,10-3,11-2,11-3 so that at least in some time, wash
Wash fluid to be fed into and corresponding washing system via pipe-line system 12-1,12-2,12-3 being connected
The spray spout 13-1,13-2,13-3 of the nozzle system that 10-1,10-2,10-3 is connected.Meanwhile, device 100 is controlled
It is used for starting in a synchronous manner washing pump 11-1 and dirt excavationg pump 74-1 according to the present invention, in order to improve spy
It not to discharge at the machine 50 dirt at the region of entrance.This measure makes it possible to save generally
Manually preliminary clean (pre-washing) what machine exterior was implemented, ensure that the most especially such as food debris or
The thick spot (till now, manually preliminary cleaning is removed from article) of napkin etc is no
The scourability pre-washing district 51 can be negatively affected.
Later phases will be shown in Fig. 1 and 2 with reference to being described in more detail according to the Hydraulic Power System figure of Fig. 3 in the text
Conveying type warewasher 50 in the case of distribute to the structure of washing system of at least one scrubbing section 51
And model of action.
In the case of conveying type warewasher 50 shown in FIG, via the final spray rinsing district 54
By the final rinse fluid of fresh water form, (it can have the further chemistry being mixed with and add nozzle 13-4
Add agent, such as rinse aid) spray above article (not shown in figure 1), these nozzles are disposed in transmission
Above and below 58.As shown in fig. 1, it is also possible in final rinsing district 54, lateral arrangement is set
Spray spout 13-5.
Via cascade system by the final part rinsing the final rinse fluid of spray in district 54 and article
Direction of transfer T transmit the most district by district.Via valve 59 and bypass line 60 by remaining final rinse streams
Body is conducted directly to pre-wash the pre-washing in barrel 14-1 of district 51.
In finally rinsing district 54, the final rinse fluid of spray is washed after being collected in or rinses district 53 in advance
In bucket (rear washing or pre-rinsing tub 14-3), it is therefrom via washing after belonging to or the pre-washing rinsing district 53
The washing pump 11-3 of system 10-3 washs after being delivered to or the spray spout 13-3 in pre-rinsing district 53 (washs afterwards
Or pre-rinse nozzle).In rear washing or pre-rinsing district 53, wash fluid is floated from article to be washed
Wash off.
The fluid here accumulated flows into the washing tube 14-2 of main scrubbing section 52, is wherein typically provided with washing
Agent, and by means of belonging to the washing pump 11-2 of washing system 10-2 of main scrubbing section 52 via belonging to main washing
The spray spout 13-2 (Washing spray nozzle) of the washing system 10-2 in district 52 is by above spray to article.
Be washed out fluid flow into from the washing tube 14-2 of main scrubbing section 52 pre-wash district 51 pre-wash bucket
14-1.It is collected in the wash fluid pre-washed in barrel 14-1 by means of belonging to the washing system pre-washing district 51
The washing pump 11-1 of 10-1 is via the spray spout 13-1 (prewashing belonging to the washing system 10-1 pre-washing district 51
Wash nozzle) by above spray to the article pre-washed in district 51, in order to from article, remove thick spot.
In the case of conveying type warewasher 50 shown in FIG, main scrubbing section 52 has a barrel covering sieve
20-2, it is arranged in above main washing tube 14-2.During the operation of conveying type warewasher 50, washing
Fluid is sprayed above article via the spray spout 13-2 (Washing spray nozzle) of washing system 10-2.Spray
Wash fluid flow back in the washing tube 14-2 of main scrubbing section 52 under gravity, wherein from main scrubbing section 52
In article on the dirt particle that rinses blocked by bucket covering sieve 20-2, condition is that dirt particle covers than bucket
The mesh width of sieve 20-2 is big.The mesh width preferably about 1mm to 4mm of bucket covering sieve 20-2.
In the case of being illustrated schematically in the conveying type warewasher 50 of Fig. 1, washing bucket covering sieve 20-2
Need operation disruption, in order to can Manual-cleaning bucket covering sieve 20-2.
In main scrubbing section 52, the portion washes fluid of spray enters via overflow system 61 and pre-washes district 51
Washing tube (pre-washes a barrel 14-1).Also such as the situation of main scrubbing section 52, pre-wash district 51 and be provided with a barrel covering sieve
20-1, it realizes with horizontal screen.This barrel of covering sieve 20-1 is arranged in and pre-washes the washing tube in district 51 (in advance
Washing tube 14-1) top, in order to leisure pre-washes to spray and flow back under gravity in district 51 and pre-washes
Wash fluid eliminating impurities granule in bucket 14-1.The preferred scope of the mesh width of bucket covering sieve 20-1 is greatly
Between about 1mm and 4mm.
Due to as in introduction explanation as dirt concentration in wash fluid in pre-washing district 51
Maximum, because major part dirt here accumulates, therefore the conveying type warewasher 50 shown in Fig. 1 sets
Having dirt collecting system 70, it is assigned to pre-wash district 51, and have be arranged in pre-wash in district 51 and
The particularly dirt-collecting district 71-1 in pre-washing barrel 14-1.More detailed below in reference to the diagram in Fig. 3
Be described in the dirt collecting system 70 that uses in the case of the conveying type warewasher 50 shown in Fig. 1
Structure and model of action.
In the case of the embodiment of the conveying type warewasher 50 shown in FIG, dirt-collecting district 71 uses
Collect the dirt particle being isolatable from wash fluid by means of bucket covering sieve 20-1.Specifically and such as hereafter join
As being described in more detail according to the Hydraulic Power System figure in Fig. 3, dirt-collecting district 71-1 realizes with compartment, its cloth
Put in pre-washing barrel 14-1, completely enclose at its sidepiece, and be unlimited, therefore in an upward direction
There is a possibility that the dirt particle separated by means of bucket covering sieve 20-1 enters the dirt of compartment shape via this opening
Thing collecting region 71-1.Owing to dirt-collecting district 71 is completely enclosed at sidepiece, therefore can be effectively prevented
The dirt particle being collected in dirt-collecting district 71-1 may return to the receipts that pre-wash in barrel 14-1 and make dirty
The situation of collection wash fluid in pre-washing barrel 14-1.
As specifically and being described in more detail referring below to the diagram in Fig. 3, if so, being excellent
Choosing, will be arranged in above dirt-collecting district 71-1 by bucket covering sieve 20-1, and have at supply opening 22
The runoff slope of bevel-faced form that travels upwardly, side, the dirt-collecting district 71-1 being wherein open upwards is arranged in
Below supply opening 22, the dirt particle therefore separated by means of bucket covering sieve 20-1 can be by means of supply opening
22 enter dirt-collecting district 71-1.
Here it is specifically contemplated that at least realize a barrel covering sieve 20-1 in some regions in the way of funnel, wherein
Supply opening 22 realizes in the funnel area 21 of bucket covering sieve 20-1, and preferably at bucket covering sieve 20-1
The center (in this respect especially referring also to the diagram in Fig. 3) of funnel area 21.
The dirt collecting system 70 used in the case of embodiment shown in FIG also has dirt and discharges
Guard system, it is connected to dirt-collecting district 71-1, including vertical tube 72-1 and plumbing drain 73-1, and collects
Dirt particle in dirt-collecting district 71-1 certainly pre-washes district 51 by means of them and discharges.As directed that
Sample, dirt excavationg pump 74-1 is arranged in dirt discharge pipe system 72-1, in 73-1.Dirt excavationg pump 74-1 draws
The import entered on side is connected to dirt-collecting via the vertical tube 72-1 belonging to dirt discharge pipe system 72-1,73-1
The lower area of district 71-1.The outlet released on side of dirt excavationg pump 74-1 is outwardly open to belonging to dirt row
Go out in the plumbing drain 73-1 of guard system.
In the case of embodiment shown in FIG, plumbing drain 73-1 leads to the dirt-collecting of outside and holds
Device 80, it is arranged in and pre-washes beyond district 51, in the upstream of the intake channel 55 of conveying type warewasher 50.
This outside dirt collection vessel 80 preferably has sieve and the connector 81 with waste water system.
Due to the wash fluid that can not prevent when spray washing fluid in pre-washing district 51 part from spraying
Entering dirt-collecting district 71, therefore dirt excavationg pump 74-1 is more than to separate by means of bucket covering sieve 20-1
Dirt particle is delivered out pre-washing district 51, and is delivered out pre-washing district 51 by portion washes fluid.Will be from
Material (dirt particle and the wash fluid) mistake in dirt collection vessel 80 removed in dirt-collecting district 71-1
Sieve, wherein liquid component (wash fluid) can be supplied to waste water system via outflow connector 81, then can dispose
Stay the solid (dirt particle) in dirt collection vessel 80.As shown in Figure 2, as the reality shown in Fig. 1
Execute the replacement scheme of scheme, it is also contemplated that pumped out by the dirt particle containing waste water and pre-wash district 51 to Waste disposal
In system 82, wherein in position this system 82 can be directly positioned on conveying type warewasher 50
Side or otherwise farther place.The waste disposal system 82 used can be by for separating solid and liquid
Constitute outwardly against system and/or crushing system (grind, morcellating system etc.).Also, it is preferred that situation be, will
Material (dirt particle and the wash fluid) mistake in waste disposal system 82 removed from dirt-collecting district 71-1
Sieve, wherein liquid component (wash fluid) can be supplied to waste water system via outflow connector 83, then can locate
Put the solid (dirt particle) stayed in waste disposal system 82.In the case of the embodiment of Fig. 2, control
Device 100 processed is used for starting in a synchronous manner according to the present invention washing pump 11-1 and dirt excavationg pump equally
74-1, in order to improve and particularly discharge at the machine 50 dirt at the region of entrance.
Those exemplary enforcements of the conveying type warewasher 50 according to the present invention in being shown in Fig. 1 and 2
In the case of scheme, the washing system distributing to pre-wash district 51 is additionally provided with waste water pump 40 in each case,
Its connection maybe can be connected in the introducing side of washing tube 14-1, and connection maybe can be connected to waste water piping
On the releasing side of system 41.The most such as belong to other pump (washing pump 11-1, dirt excavationg pump 74-1) of washing system
Situation, can by control device 100 start waste water pump 40, in order to when necessary via waste pipe system 41 will
The wash fluid being collected in washing tube 14-1 at least partially pumps out in on-the-spot waste water network.
According to the present invention, it is also provided with the device 42 for determining the dirty degree in wash fluid.By means of figure
In the case of the embodiment shown in embodiment in 1 and 2, for determining the device of the dirty degree in wash fluid
42 have at least one turbidity transducer, and it is arranged in waste pipe system 41, and real by this way
Existing, in order to determine when wash fluid being pumped out washing tube 14-1 in the wash fluid flowing through waste pipe system 41
Dirty degree.
Describe such as with the conveying type according to Fig. 1 and 2 below in reference to the Hydraulic Power System figure shown in Fig. 3
The structure of the washing system used in the warewasher that warewasher realizes and model of action.But this is washed
The system of washing can be also used in the warewasher realized with box warewasher, as by with reference to the figure in Fig. 4
Described in showing.
The dirt collecting system 70 being illustrated schematically in Fig. 3 is arranged in the washing of conveying type warewasher 50
In bucket 14-1.Dirt collecting system 70 has a barrel covering sieve 20-1, and it is preferably placed in washing tube 14-1,
Above the liquid level of the wash fluid in being accommodated in washing tube 14-1.Bucket covering sieve 20-1 is for making from gravity
Eliminating impurities granule in the wash fluid of the spray in washing tube it is flow back under with.For this reason, it is necessary to
For bucket covering sieve 20-1, suitable mesh width is set.
Dirt collecting system 70 also has the dirt-collecting district 71 realized with completely enclosed compartment, and it is upwards
It is unlimited on direction.Via the opening in the dirt-collecting district 71 realized with compartment, divide bucket covering sieve 20-1
From dirt particle be fed into dirt-collecting district 71.If supplied for this purpose it is proposed, bucket covering sieve 20-1 has
The runoff slope of the bevel-faced form travelled upwardly to the side of opening 22 is then dirt that is preferred, that be wherein open upwards
Thing collecting region 71 is arranged in below supply opening 22.As shown in Figure 3, such as it is contemplated that at least in some districts
Realizing a barrel covering sieve 20-1 in territory in the way of funnel, wherein supply opening 22 realizes bucket covering sieve 20-1's
In funnel area 21, and preferably at the conical region of funnel area 21 of bucket covering sieve 20-1.
If being the most also preferred, i.e. realize dirt-collecting district 71 in upper end in infundibulate mode, in order to have
The supply opening 22 of barrel covering sieve 20-1 may be inserted into and be accommodated in wherein.
During the operation of warewasher, wash fluid is sprayed in the scrubbing section 51 distribute to washing system
Drenching, wherein the wash fluid of part spray flow back in washing tube 14-1 via bucket covering sieve 20-1.Remaining spray
The wash fluid drenched directly flows via the supply opening 22 being arranged in barrel covering sieve 20-1 under gravity
Enter dirt-collecting district 71.
If warewasher realizes (seeing Fig. 1 and 2) with conveying type warewasher, then situation is this
Sample as already noted during the operation of warewasher, wash fluid is via spray spout
13-1 (pre-washing nozzle) and/or via spray spout 13-2 (Washing spray nozzle) by spray to above article.If
Realize warewasher (seeing Fig. 4) with box warewasher on the contrary, and the most pending article keep
Static, individually process step and carry out the most successively, then situation is such, washs at utensil
During the operation of machine, wash fluid is sprayed to above article via the Washing spray nozzle marked with " 13 " in Fig. 4.
As long as the dirt particle rinsed from article during washing operation they than bucket covering sieve 20-1's
Mesh width is big can not be entered the scrub stream being collected in washing tube 14-1 by bucket covering sieve 20-1 prevention
Body.More precisely, the dirt particle separated by bucket covering sieve 20-1 is moved to supply by runoff slope
Opening 22, and hence into dirt-collecting district 71.Owing to the sidewall in dirt-collecting district 71 is completely enclosed,
The most no longer possible make the dirt particle that is collected in dirt-collecting district 71 enter to be collected in washing tube 14-1
Wash fluid.Even if the dirt being collected in dirt-collecting district 71 due to wash fluid falls downward
Grain is pulverized further, is still unlikely to make this dirt enter and is collected in the wash fluid in washing tube 14-1 also
Therefore the dirt content in wash fluid is increased.
For the most automatically emptying dirt collecting region 71, dirt collecting system 70 also has dirt discharge pipe
System.In the case of dirt shown in figure 3 discharges the embodiment of system 70, described dirt discharge pipe
System includes the vertical tube 72-1 being connected to the lower area in dirt-collecting district 71.Vertical tube 72-1 is connected to dirt row
Go out the import in the introducing side of pump 74-1.The outlet released on side of dirt excavationg pump 74-1 is outwardly open to dirt
In water lines 73-1, and therefore in the case of starting dirt excavationg pump 74-1, can be by dirt-collecting district
The inclusions of 71 removes in scrubbing section.
Being also provided with waste water pump 40 in the case of being shown in the Hydraulic Power System figure of Fig. 3, its connection maybe can connect
In the introducing side of washing tube 14-1, and connection maybe can be connected on the releasing side of waste pipe system 41,
For pumping out the wash fluid being collected at least partially in washing tube 14-1 when necessary.
It is shown in the Hydraulic Power System of Fig. 4 schematically to show to be particularly suited for use in and realize with box warewasher
Warewasher process chamber in washing system.This warewasher has for controlling at least one
The presetting apparatus 100 of washing procedure and can close by door (not shown) or cover (not shown) and intend
(do not show, such as tableware, silver dinner set, kettle, pan and/or torr for receiving article to be washed
Dish) process chamber.
It is positioned at below process chamber 4 from the washing tube 14 of the fluid of the spray of process chamber 4 for storage.Setting is washed
Wash pump 11 for the wash fluid from washing tube 14 is delivered to washing by washing-fluid-pipe-line system 5
Nozzle 13.Washing spray nozzle 13 is directed to the region of article to be washed in process chamber 4, in order to will washing
Fluid spray is to above article.The wash fluid of spray flow back in washing tube 14 under gravity.Therefore,
Washing tube 14, washing pump 11, washing-fluid-pipe-line system 5 and Washing spray nozzle 13 are formed together with process chamber 4 and wash
Wash fluid circuit.
Final rinse-system includes finally rinsing pump 44, for final rinse fluid is passed through final-rinsing-pipe
Road system 48 is delivered to final rinse nozzle 49, and the latter is directed to article to be washed in process chamber 4
Region.The final rinse fluid sprayed by final rinse nozzle 49 flows into from process chamber 4 under gravity and washes
Wash bucket 14.The releasing side finally rinsing pump 44 is connected to final rinse nozzle by finally-rinsing-pipe-line system 48
49。
Washing spray nozzle 13 and final rinse nozzle 49 can be arranged in article container region top and/or under
Side, can also be arranged in the sidepiece in article container region if necessary, and in each case by it
Guiding article housing region, here article can being placed in process chamber 4 to wash.
Multiple Washing spray nozzle 13 is preferably set at least one upper wash arm, at least one lower wash
Multiple Washing spray nozzle 13 is set on arm, the final rinse arm at least one top arranges multiple final rinsing spray
Mouth 49 and multiple final rinse nozzle is set in the final rinse arm at least one bottom.
Before spraying final rinse fluid, by means of waste water pump 40, a certain amount of wash fluid is pumped out washing tube
14, this amount is corresponding to the amount of final rinse fluid to be sprayed, and the introducing side of waste water pump 40 is connected to washing
The storage tank of bucket 14.
If washing tube 14 is empty before the warewasher that initial start realizes with box warewasher
, then it is first necessary to will be via fresh water pipeline (not shown) or by means of including finally rinsing the final of pump 44
Rinse-system is filled fresh water.
Final rinse fluid can be fresh water or the fresh water being mixed with rinse aid.
Wash fluid contains and is dosed to be contained in washing tube 14 by detergent metering device (not shown)
In fluid in detergent.
Warewasher according to the Hydraulic Power System figure shown in Fig. 4 is designed with fresh water even in each case
Fitting 46, it may be connected to fresh water supply network.Fresh water connector 46 can supply via fresh water
Valve (can by control device 100 control) and be connected to finally float via the air gap and preferably via water heater 45
Wash the introducing side of pump 44.Rinse aid can be dosed in the fresh water in such as water heater 45.
Water heater 45 is provided with at least one liquid level sensor, for by controlling device 100 by fresh water
Fresh water valve is correspondingly opened and closed to regulate the liquid level of the fluid in water heater 45 at connector 46.
Also such as the situation of above-mentioned conveying type warewasher, according to the Hydraulic Power System figure shown in Fig. 4 with box
The warewasher that warewasher realizes does not has the precleaning station position of outside (to be namely arranged in machine or place
Precleaning station position beyond reason room 4) because in the case of shown exemplary, be washed
The prerinse of article carry out in process chamber 4.This eliminate by thing in particular according to the present invention
Product be enclosed in process chamber 4 before time-consuming (manually) prerinse.
Wash fluid is not made to become during the course in order to make machine can implement prerinse in process chamber 4 itself
The dirtiest (so can reduce the quality of washing process subsequently), the washing system shown in Fig. 4 is provided with dirt
Collection system 70 and waste water pump, the latter's connection maybe can be connected in the introducing side of washing tube 14, and connect
Maybe can be connected on the releasing side of waste pipe system 41, in order to pump out when necessary and be collected at least partially
Wash fluid in washing tube 14.
Being also provided with the device 42 for determining the dirty degree in wash fluid, wherein this device 42 preferably has
At least one turbidity transducer, it is arranged by this way and realizes, in order to wash when wash fluid being pumped out
The dirty degree in the wash fluid flowing through waste pipe system 41 is determined when washing bucket 14.
Structure and the model of action of washing system 70 has been described with reference to the diagram in Fig. 3.For avoiding repeating,
Submit to reference to the content described.
Below in reference to the procedural sequences shown in Fig. 5 a to c, washing pump 11 (and/or 11-1), dirt are described
The interaction with waste water pump 40 of excavationg pump 74 (and/or 74-1).Specifically, the present invention provides control dress
Putting 100, it is realized as optionally starting washing pump 11 and/or 11-1, dirt with such method of synchronization
Excavationg pump 74 and/or 74-1 and waste water pump 40 so that
-during pre-washing stage S1, it is collected in the scrub stream in washing tube 14 and/or 14-1 at least partially
Body is fed at least one Washing spray nozzle 13 and/or 13-1 by means of washing pump 11 and/or 11-1;And/or
-during dirt discharges stage S2, it is isolatable from washing by means of dirt collecting system 70 at least partially
The dirt particle of fluid is fed into dirt discharge pipe system 72,73 by means of dirt excavationg pump 74 and/or 74-1
And/or 72-1,73-1;And/or
-during main washing stage S3, it is collected in the scrub stream in washing tube 14 and/or 14-1 at least partially
Body is fed at least one Washing spray nozzle 13 and/or 13-1 by means of washing pump 11 and/or 11-1;And/or
-during pumping out stage S4, it is collected in the wash fluid in washing tube 14 and/or 14-1 at least partially
It is fed into waste pipe system 41 by means of waste water pump 40.
Pre-wash stage S1, be collected in washing in washing tube 14 and/or 14-1 the most at least partially
Wash fluid and be fed at least one Washing spray nozzle 13 and/or 13-1 by means of washing pump 11 and/or 11-1, with
Just wash fluid is sprayed above article to be washed, such as the thick spot of food debris is by from article
On rinse, this spot is removed manually pre-washing period in conventional machine on article.
In the case of the procedural sequences schematically shown in fig 5 a, pre-wash stage S1 followed by dirt
Thing discharges stage S2.In the case of this dirt discharges stage S2, at least some is by means of dirt-collecting system
The dirt particle that system 70 is isolatable from wash fluid is fed into dirt by means of dirt excavationg pump 74 and/or 74-1
Discharge pipe system 72,73 and/or 72-1,73-1.Therefore this constitute by dirt excavationg pump 74 and/or 74-1 real
(first) executed pumps out the stage.In this case, at least many separates by means of dirt collecting system 70
Preferably it is pumped to (relative to warewasher) from the dirt particle of wash fluid and is arranged on outside or inside
Waste rexeptacle.
In the case of the procedural sequences schematically shown in fig 5 a, do not stand after completing to pre-wash stage S1
I.e. carry out dirt and discharge stage S2.More precisely, there is the time-out continuing preferably approximately 1 to 2 second, in this phase
Between, the stage S1 of pre-washing terminate and dirt discharge stage S2 start between washing pump 11 and/or 11-1 and
Dirt excavationg pump 74 and/or 74-1 does not starts.This time-out dirt-collecting district to dirt collecting system 70
Dirt in 71 provides and preferably concentrates.Due to washing pump 11 and/or 11-1's and dirt excavationg pump 74 and/
Or the operation of 74-1 is all stopped a period of time of short duration, to discharge it is ensured that discharge stage S2 at dirt
Dirt particle be collected in a particularly efficient manner in the dirt-collecting district 71 of dirt collecting system 70.
In the case of the procedural sequences schematically shown in fig 5 a, the dirt continuing about 2 to 3 seconds is discharged
Stage S2 is followed by main washing stage S3, during this period by means of washing pump 11 and/or 11-1 by least one
Portion collection wash fluid in washing tube 14 and/or 14-1 be applied at least one Washing spray nozzle 13 and/or
13-1, in order to this wash fluid is sprayed above article to be washed.Will be left in article in such a way
On spot remove from which.According to dirty degree and/or selected processing routine situation, the main washing stage is usual
Continue 20 to 45 seconds.
In the case of the procedural sequences schematically shown in fig 5 a, complete main washing stage S3 followed by
Further (second) pumps out stage S4, is collected in the most at least partially in washing tube 14 and/or 14-1
Wash fluid be fed into waste pipe system 41 by means of waste water pump 40.
Particularly in the case of the warewasher realized with box warewasher, this is followed by finally
Rinse stage S5, in the case, by means of final rinse-system, final rinse fluid (especially with
The fresh water of rinse aid therein may be dosed to) article being washed finally are rinsed,
I.e. rinse the wash fluid remaining adhered to article.Final rinse fluid is sprayed during final rinse stage S5
Simultaneously work as the effect making the wash fluid being collected in washing tube 14 and/or 14-1 regenerate.
In the case of the procedural sequences schematically shown in fig 5 a, carry out with final rinse stage S5 simultaneously
Or measure stage S6 the most immediately, it is therefore an objective to determine and pump out at the stage S4 of pumping out and be positioned at waste water
The dirty degree of the wash fluid in guard system 41.This can such as be carried out by means of turbidimetry.Therefore exist
During measuring phases S6, the quality to wash fluid checks.If quality falls below previously determined good
Or confirmable limit value, if to have certain (previously determined for the wash fluid i.e. in the test of measuring phases S6
Good or confirmable) muddiness of degree, the most automatically increase and spray during final rinse stage S5
The amount of final rinse fluid, in order to regeneration (dilution) wash fluid fully so that wash fluid is the most again
Secondary have predetermined quality.Here it is contemplated that the wash fluid quality determined during relying on measuring phases S6 is come
Select the persistent period of final rinse stage S5.
For the single stage, in the case of procedural sequences shown in fig 5 a, it is contemplated that following continues
Time:
Pre-wash persistent period t1:4 to 12 second of stage S1, preferably 6 to 10 seconds, even more preferably 8
Second;
Pre-washing persistent period t2:1 to 3 second suspended between stage S1 and dirt discharge stage S2, excellent
Elect 1 to 2 second as;
Persistent period t3:1 to 8 second of dirt discharge stage S2, preferably 2 to 5 seconds;
Persistent period t4:10 to 90 second of main washing stage S3, preferably 20 to 50 seconds, or as another
Outer it is chosen as 40 to 50 seconds, preferably 42 to 48 seconds;
Pump out persistent period t5:2 to 10 second of stage S4, preferably 3 to 6 seconds;
The persistent period t6 (depending on the dirty degree in wash fluid) of final rinse stage S5: 4 to 10 seconds, excellent
Elect 5 to 8 seconds as, even more preferably 7 seconds.
Value given above should be considered merely as being example and not have any restriction effect.Especially for figure
For procedural sequences shown in 5b and Fig. 5 c, same or similar value is possible.
Fig. 5 b schematically shows another example of the procedural sequences of the warewasher according to the present invention.With
The procedural sequences described with reference to the diagram in Fig. 5 a is contrary, and the procedural sequences shown in Fig. 5 b is pre-washing the stage
S1 and dirt are discharged and are not suspended between stage S2.More precisely, according to the process shown in Fig. 5 b
In the case of the exemplary of order, during pre-washing stage S1, still start dirt excavationg pump 74
And/or 74-1 and start dirt discharge stage S2.Due to pre-wash stage S1 and dirt discharge stage S2 it
Between not do not suspend, and pre-wash stage S1 and dirt is discharged stage S2 and had overlap in time, therefore may be used
Correspondingly shorten the total duration of washing cycle.
Fig. 5 c schematically shows another example of the procedural sequences of the warewasher according to the present invention.Tool
Body ground, Fig. 5 c shows two continuous print cycles.In the case of the period 1 indicated with " 1. " in fig. 5 c,
First carry out pre-washing stage S1, followed by dirt and discharge stage S2 and main washing stage S3 also as shown in figure
The situation again in which of the procedural sequences in 5a is discharged and is had temporarily between stage S2 pre-washing stage S1 and dirt
Stop.
In the case of alternative shown in fig. 5 c, contrary with the procedural sequences being shown in Fig. 5 a, the
One cycle 1. in, the most main washing stage S3 is final rinse stage S5 rather than pumps out stage S4.
In second round (indicating with " 2. " in fig. 5 c) subsequently, carry out pre-washing stage S1, as carried out
Main washing stage S3 and pump out stage S4, but after pre-washing stage S1, do not carry out dirt discharge stage S2.
The second round of the procedural sequences in being illustrated schematically in Fig. 5 c 2. in the case of, and finally rinse rank
Section S5 carries out simultaneously or measures the most immediately stage S6, determines during this period and is pumping out the phase in stage S4
Between the dirty degree that pumps out and be positioned in the wash fluid in waste pipe system 41.Here at final rinse stage S5
The amount of the final rinse fluid of period spray depends on the wash fluid quality determined during measuring phases S6.
In the case of the embodiment according to the warewasher of the present invention, control device 100 is designed to
The most optionally start washing pump 11 (and/or 11-1), dirt excavationg pump 74 (and/or 74-1) and
Waste water pump 40, it is therefore possible to realize the procedural sequences described above with reference to the diagram in Fig. 5 a to 5c.Here
It is specifically contemplated that once have been carried out pre-washing stage S1, then the recirculation circuit of washing system is interrupted a certain section
Time t2, and once have been carried out pre-washing stage S1, or the latest after t2 during this period of time, by dirt
Granule is discharged.For this purpose it is proposed, control device 100 is connected to pump 11,74 via control line 100-1,100-2.
If the short time interrupt washing pump recirculation, then wash fluid can sieve on vortex.Dirt contained therein
The kinetic energy of composition granule thus reduce, therefore they more easily can suck dirt by means of dirt excavationg pump 74 and receive
Collection district 71.Here can realize controlling device 100 with a part for machine controling equipment or the part being integrated with.
Controlling device 100 and preferably have microprocessor, this microprocessor is with running thereon and trigger pump
The program code of the start by set date of 11,74.Here it is intended to preferred to the sum periodically repeating washing pump 11
The synchronous averaging of dirt excavationg pump 74 realizes controlling device 100, in order to guarantee periodically to discharge dirt particle.
Furthermore, it is possible to design dirt excavationg pump 74, in order to continuously or in the predetermined time and/or in advance
In the case of determining event, the dirt particle being collected in dirt-collecting district 71 is received together with being collected in dirt equally
Wash fluid in collection district 71 removes.Especially, here it is contemplated that rely on and be collected in dirt-collecting district 71
The amount of dirt particle and start dirt excavationg pump 74 via the control equipment 100 mentioned.
But, certainly it is contemplated that liquid level in the liquid level relied in such as dirt-collecting district 71, washing tube 14 or
Other factors and dirt is pumped out dirt-collecting district 71.
If using dirt collecting system 70 in conveying type warewasher 50 (see, e.g. Fig. 1 to 4),
Then it can also be envisaged that such as rely on the article that will be washed and passed by the treatment region of conveying type warewasher 50
The transfer rate sent or such as rely on the final rinse streams of time per unit spray in final rinsing district 54
The amount of body starts dirt excavationg pump 74.
It is of course possible to only discharge dirt when each washing cycle, S3 started but it also may at the end of it or
Discharge at interlude.Fundamental is to periodically repeat discharging operation, in order to realize consistent high washing
Quality.
Describing another washing system below in reference to Hydraulic Power System figure shown in Figure 6, it also shows as in Fig. 4
The situation of the washing system illustrated to meaning property is particularly suited for use in the utensil realized with box warewasher and washes
Wash in the process chamber of machine.
Washing system according to Fig. 6 be different from especially above with reference in Fig. 4 diagram describe washing system it
Place is, control device 100 is implemented as dependence and is isolatable from wash fluid by means of dirt collecting system 70
The amount of dirt particle starts dirt excavationg pump 74.Specifically, the washing system being illustrated schematically in Fig. 6
Using device 99, it is used for detecting the filling level in washing tube 14.This device 99 is connected to control device
100, wherein control device 100 and be realized as relying on detected filling level and automatically and preferably selecting
Selecting property ground starts dirt excavationg pump 74 automatically.Pre-wash the wash fluid liquid level in period washing tube 14 at this
In be used as to introduce the instruction of amount of contaminants of washing system.Here with such discovery, i.e. along with pre-washing the phase
Between increasing of introducing of dirt, wash fluid backflow in washing tube 14 reduces, because dirty introducing high-load
In the case of thing, the sieve surface (that is, bucket covering sieve 20) of dirt collecting system 70 becomes stifled at least in part, and
And prevent wash fluid backflow in washing tube 14 the most at least in part.
In order to the most preferably be automatically activated dirt excavationg pump 74, shown in Figure 6 by the amount of contaminants introduced
Embodiment in the case of detect the filling level in washing tube 14, wherein rely on detected filling liquid
Position, starts dirt excavationg pump 74 by means of controlling device 100.
Here it is contemplated that control device 100 is implemented as starting dirt excavationg pump 74 reach certain persistent period,
Wherein this certain persistent period is previously to have had determined that, and depends on detected filling level
(and being accordingly dependent on the amount of the dirt being incorporated into washing system).
In order to start dirt excavationg pump 74 as accurately as possible, it is contemplated that make control device 100 have comparator,
So that by previously determined good with at least one for the filling liquid place value detected by means of device 99 or can determine that
Threshold value compare.Here it is contemplated that control device 100 starts dirt excavationg pump 74 and reaches previously determined good holding
The continuous time, wherein this previously determined good persistent period depends on the knot compared by means of comparator enforcement
Really.
In the case of the washing system schematically shown in figure 6, also it is implemented as control device 100 selecting
Property ground start dirt excavationg pump 74, until by means of dirt excavationg pump 74 by the washing of previously determined good volume
Fluid pumps out.This previously determined good volume of wash fluid depends on by means of filling out that device 99 detects
Liquid-filling position.It is provided that for this purpose, to dirt excavationg pump 74 distributor 98, true by means of this device
The fixed wash fluid discharged in washing system by dirt excavationg pump 74 or the wash fluid containing dirt particle
Volume.
Being preferably filling level sensor for detecting the device 99 of the filling level in washing tube 14, it is arranged
In washing tube 14, and be designed to continuously or the predetermined or predeterminable time or predetermined or
The filling level in washing tube 14 is detected in the case of event that can be predetermined.It is recommended here that be that pressure is such as set
Force transducer, it is arranged in washing tube 14, and is designed to detect the washing being accommodated in washing tube 14
Fluid hydrostatic pressure at pressure transducer level.Here should by control device 100 be implemented as by
Current filling level in detected hydrostatic pressure determines washing tube 14.But the feelings certainly also having
Condition is exactly, for other embodiment of the filling level of wash fluid of being detected and determined in washing tube 14 also
It is feasible.
The preferred implementation of the washing system in being illustrated schematically in Fig. 6 provides, is used for detecting
The device 99 of the filling level in washing tube 14 is made up of altogether two filling level limit switches, and they are arranged
In washing tube 14, and it is designed so that these filling level limit switches can determine that filling out in washing tube 14
Liquid-filling position whether fall below first (on) filling level threshold value, and the filling level in washing tube 14 in addition
The most also fall below second (under) filling level.Here it is contemplated that such as when two filling level limit switches
Detect and be only unsatisfactory for first (on) filling level threshold value timed unit 100 starts dirt excavationg pump 74 and reach
One previously determined good or confirmable persistent period.On the other hand, arrive when two filling level threshold test
Also be unsatisfactory for second (under) filling level threshold value time, control device 100 and should start dirt excavationg pump 74 and reach second
The previously determined good or confirmable persistent period.
As the alternative to this, it is contemplated that control device 100 is implemented as when two filling levels limit
Switch detect and be only unsatisfactory for first (on) filling level threshold value time start dirt excavationg pump 74, until by means of
Dirt excavationg pump 74 pumps out the wash fluid of previously determined good volume, and when two filling level limit switches
Detect and be also unsatisfactory for second (under) filling level threshold value timed unit 100 starts dirt excavationg pump 74, directly
To the wash fluid pumping out previously determined the second good volume by means of dirt excavationg pump 74.
Washing system in being illustrated schematically in Fig. 6 it is contemplated that implementation in provide, if
Pre-washing period, the minimum wash fluid liquid level in washing tube 14 keeps being not less than the liquid level shown in Fig. 6
01, then in dirt collecting system 70, discharge such as 0.2 to 0.4 liter wash fluid by means of dirt excavationg pump 74.
If minimum wash fluid liquid level drop to liquid level 01 with as value between the liquid level 02 that is also depicted in Fig. 6, then
Such as 1.2 to 2.0 liters wash fluid are discharged by means of dirt excavationg pump 74.If minimum wash fluid liquid level drops
To less than liquid level 02, then interrupt pre-washing because of dirty Du Taigao, be then discharged out 2.5 to 3.5 liters of wash fluid.
The amount of the wash fluid discharged in each case should be selected so that they be enough to clean whole sieve and dirt is received
Collecting system.
The present invention is not limited to the embodiment being described in conjunction with the accompanying.
Therefore it is contemplated that the bucket covering sieve 20,20-1 of such as dirt collecting system 70 does not have substantially center cloth
The supply opening 22 put, and by means of bucket covering sieve 20, the dirt particle that 20-1 separates is via supply opening 22
Enter dirt-collecting district 71,71-1's.More precisely, it is also possible to be arranged on barrel covering sieve 20,20-1
Neighboring area gap realize supply opening 22.
In principle it can also be envisaged that cover supply opening 22, the mesh that the most this scalping has by means of scalping
Width should be preferably greater than the mesh width of bucket covering sieve 20,20-1.Thering is provided such scalping to make can
Can be effectively prevented and wherein be different from the silver dinner set article of sewage particulate or other vessel accidentally enter
The situation of dirt-collecting district 71,71-1.
Claims (49)
1. a warewasher, it is with automatic programmed machine or with conveying type warewasher (50)
Realizing, wherein said warewasher has at least one washing system realized with recirculation circuit,
At least one washing system wherein said has: with for wash fluid sprays thing to be washed
At least one Washing spray nozzle (13 above product;Nozzle system 13-1);Sprayed at least partially for collecting
The washing tube (14 of the wash fluid drenched;14-1);With for described washing tube (14 will be collected in;In 14-1)
Wash fluid be supplied at least one Washing spray nozzle (13 described;Washing pump (11 13-1);11-1), its
In, it being provided with dirt collecting system (70), it is associated with at least one washing system described and realizes
Become to flow back into washing tube (14 from by means of gravity;Eliminating impurities in the wash fluid sprayed in 14-1)
Grain, and wherein, it is provided with dirt excavationg pump (74;74-1), it connects at entrance side or is connectable to
Described dirt collecting system (70), and connect at outlet side or be connectable to dirt discharge pipe system
(72,73;72-1,73-1), have been enter at least the one of described dirt collecting system (70) for discharging when necessary
Portion washes fluid and by means of described dirt collecting system (70) from being collected in described washing tube (14;14-1)
In wash fluid in separate at least some of dirt particle,
It is characterized in that, described warewasher also has waste water pump (40), and it connects at entrance side or can
It is connected to described washing tube (14;14-1), and at outlet side connect or be connectable to waste pipe system
(41), it is used for pumping out when necessary being collected in described washing tube (14;At least some of scrub stream in 14-1)
Body;Described waste water pump and described dirt excavationg pump are coordinated to start.
Warewasher the most according to claim 1, described utensil detergent is for tableware or vessel
Industrial appliances washing machine.
Warewasher the most according to claim 1, wherein said dirt collecting system (70) has bucket
Covering sieve (20;20-1) with dirt-collecting district (71), described dirt-collecting district (71) is for collecting by means of institute
State barrel covering sieve (20;20-1) the dirt particle separated from described wash fluid, wherein said dirt-collecting
District (71) is open upwards, but completely encloses at sidepiece, and wherein said dirt discharge pipe system
(72,73;72-1,73-1) connect or be connectable to described dirt-collecting district (71).
Warewasher the most according to claim 3, wherein said bucket covering sieve (20;20-1) arrange
In described dirt-collecting district (71) top, and on the direction of supply opening (22), there is runoff slope, its
Described in the dirt-collecting district (71) that is open upwards be arranged in described supply opening (22) lower section so that by institute
State barrel covering sieve (20;Dirt particle 20-1) separated enters described dirt by means of described supply opening (22)
Collecting region (71).
Warewasher the most according to claim 4, at least a part of which in some regions with the side of funnel
Formula realizes described bucket covering sieve (20;20-1), and the real presently described bucket of wherein said supply opening (22) covers
Lid sieve (20;In described funnel area (21) 20-1).
Warewasher the most according to claim 5, wherein said supply opening (22) is real presently described
Bucket covering sieve (20;In the conical region of described funnel area (21) 20-2).
7. according to the warewasher one of claim 4 to 6 Suo Shu, wherein said supply opening (22) be
Described bucket covering sieve (20;Center 20-1) realizes.
Warewasher the most according to claim 4, is wherein also provided with scalping, and described scalping is at least
Partly cover described supply opening (22), and the mesh width having is more than described bucket covering sieve (20;
Mesh width 20-1).
Warewasher the most according to claim 1, wherein said waste pipe system (41) connects or energy
Enough it is connected to the waste water network in side of buildings, and described dirt discharge pipe system (72,73;72-
1,73-1) connect or be connectable to outside described washing system realize dirt collection vessel (80) or with
The waste disposal system (82) realized outside described warewasher connects.
Warewasher the most according to claim 1, wherein also sets up for determining described scrub stream
The device (42) of the dirty degree in body.
11. warewasher according to claim 10, wherein for determining in described wash fluid
The device (42) of dirty degree has at least one turbidity transducer, and it is arranged and is implemented as so that when washing described
Wash fluid and pump out described washing tube (14;The wash fluid flowing through described waste pipe system (41) is determined time 14-1)
In dirty degree.
12. warewasher according to claim 1, wherein it is additionally provided with control device (100), its
It is realized as the most optionally starting described washing pump (11;11-1), described dirt excavationg pump
(74;74-1) with described waste water pump (40) so that
-during pre-washing the stage, it is collected in described washing tube (14;At least some of scrub stream in 14-1)
Body is by means of described washing pump (11;11-1) it is fed into described at least one Washing spray nozzle (13,13-1);
-during the dirt discharge stage, by means of described dirt excavationg pump (74;74-1), by means of described dirt
Thing collection system (70) is isolatable from least some of dirt particle of described wash fluid and is fed into described dirt
Thing discharge pipe system (72,73;72-1,73-1);
-during the main washing stage, it is collected in described washing tube (14;At least some of scrub stream in 14-1)
Body is by means of described washing pump (11;11-1) it is fed at least one Washing spray nozzle (13 described;13-1);
And
-during pumping out the stage, it is collected in described washing tube (14;At least some of wash fluid in 14-1)
It is fed into described waste pipe system (41) by means of described waste water pump (40).
13. warewasher according to claim 12, wherein described control device (100) is implemented as
Described pre-wash the stage during or after pre-washing the stage described in completing, but in the described main washing stage
Described dirt excavationg pump (74 is started before beginning;74-1).
14. warewasher according to claim 13, are wherein implemented as described control device (100)
Described in delay pattern but starting before the described main washing stage starts after pre-washing the stage described in completing
Dirt excavationg pump (74;74-1).
15. according to the warewasher one of claim 12 to 14 Suo Shu, wherein by described control device
(100) it is implemented as after completing the described main washing stage starting described waste water pump (40).
16. warewasher according to claim 12, wherein described control device (100) is implemented as
Rely on the dirty degree in described wash fluid to start described waste water pump (40).
17. warewasher according to claim 16, the wherein said length pumping out the stage depends on
Dirty degree in described wash fluid, described waste water pump (40) described pump out the stage during be by described control
Device (100) starts.
18. warewasher according to claim 12, are wherein implemented as described control device (100)
Dependence is isolatable from the amount of the dirt particle of described wash fluid and opens by means of described dirt collecting system (70)
Dynamic described dirt excavationg pump (74;74-1).
19. warewasher according to claim 18, are wherein additionally provided with for detecting described washing
Bucket (14;The device (99) of the filling level in 14-1), is wherein implemented as described control device (100) relying on
Detected filling level and be automatically activated described dirt excavationg pump (74;74-1).
20. warewasher according to claim 19, wherein described control device (100) is implemented as
Filling level detected by dependence and optionally automatically start described dirt excavationg pump (74;74-1).
21. according to the warewasher described in claim 19 or 20, wherein that described control device (100) is real
Ready-made startup described dirt excavationg pump (74;74-1) reach the previously determined good persistent period, wherein said previously
The persistent period determined depends on detected filling level.
22. warewasher according to claim 19, wherein said control device (100) have for
By the ratio compared with at least one threshold value good with previously determined or confirmable for detected filling level
Relatively device, wherein is implemented as starting described dirt excavationg pump (74 by described control device (100);74-1) reach elder generation
Before persistent period of determining, the described previously determined good persistent period depends on by means of described comparator
The result of the comparison carried out.
23. warewasher according to claim 19, wherein described control device (100) is implemented as
Start described dirt excavationg pump (74;74-1), until by means of described dirt excavationg pump (74;74-1) pump out
The wash fluid of previously determined good volume, the wash fluid of wherein said previously determined good volume depends on
In detected filling level.
24. have according to the warewasher described in claim 19 or 23, wherein said control device (100)
For compared with at least one threshold value good with previously determined or confirmable for detected filling level
Comparator, wherein be implemented as starting described dirt excavationg pump (74 by described control device (100);74-
1), until pumping out the wash fluid of previously determined good volume, the washing of described previously determined good volume
Fluid depends on the result of the comparison carried out by means of described comparator.
25. according to the warewasher described in claim 1 or 23, is wherein also provided with arranging with described dirt
Go out pump (74;The device (98) 74-1) being connected, is used for determining by described dirt excavationg pump (74;74-1) row
The volume of the wash fluid gone out.
26. warewasher according to claim 19, are wherein used for detecting described washing tube (14;
The device (99) of the filling level in 14-1) has at least one filling level sensor, described filling level
Transducer arrangements is at described washing tube (14;In 14-1), for detecting described filling level continuously.
27. warewasher according to claim 19, are wherein used for detecting described washing tube (14;
The device (99) of the filling level in 14-1) has and is arranged in described washing tube (14;Pressure sensing in 14-1)
Device, is contained in described washing tube (14 for detection;Wash fluid in 14-1) is at described pressure transducer water
The hydrostatic pressure at flat place, and wherein described control device (100) is implemented as by means of detected
Hydrostatic pressure determines described washing tube (14;Current filling level in 14-1).
28. warewasher according to claim 19, wherein detect described washing tube (14;14-1)
In the device (99) of filling level have and be arranged in described washing tube (14;At least one in 14-1) is filled
Liquid level limit switch, is used for detecting described washing tube (14;Whether the filling level in 14-1) falls below elder generation
Before the filling level threshold value that determines.
29. warewasher according to claim 28, are wherein implemented as described control device (100)
It is automatically activated described dirt excavationg pump (74 when being unsatisfactory for described previously determined good filling level threshold value;
74-1)。
30. warewasher according to claim 29, are wherein implemented as described control device (100)
The most automatically start described dirt to discharge when being unsatisfactory for described previously determined good filling level threshold value
Pump (74;74-1).
31. according to the warewasher one of claim 28 to 30 Suo Shu, is provided with being arranged in described
Washing tube (14;At least two filling level limit switch in 14-1), is used for detecting described filling level and is
Fall below the first previously determined good filling level threshold value or the second previously determined good filling level threshold
Value, is wherein implemented as described control device (100) being only unsatisfactory for described first filling level threshold when detecting
Described dirt excavationg pump (74 is started during value;74-1) reach first previously determined good or confirmable when continuing
Between, and be implemented as described control device (100) being also unsatisfactory for described second filling level threshold when detecting
Described dirt excavationg pump (74 is started during value;74-1) reach second previously determined good or confirmable when continuing
Between.
32. according to the warewasher one of claim 28 to 30 Suo Shu, is provided with being arranged in described
Washing tube (14;At least two filling level limit switch in 14-1), is used for detecting described filling level and is
Fall below the first previously determined good filling level threshold value or the second previously determined good filling level threshold
Value, is wherein implemented as described control device (100) being only unsatisfactory for described first filling level threshold when detecting
Described dirt excavationg pump (74 is started during value;74-1), until by means of described dirt excavationg pump (74;74-1)
Pump out the wash fluid of previously determined the first good volume, and be implemented as described control device (100) working as
Detect and be also unsatisfactory for during described second filling level threshold value starting described dirt excavationg pump (74;74-1), directly
To by means of described dirt excavationg pump (74;74-1) pump out the wash fluid of previously determined the second good volume.
33. warewasher according to claim 1, wherein said warewasher is embodied as transmitting
Formula warewasher (50), wherein said conveying type warewasher (50) has at least one scrubbing section
(51,52) and at least one finally rinse district (54) and for the article that will be washed transport through described in extremely
A few scrubbing section (51,52) and the transporter (58) of described final rinsing district (54), described final rinsing district
(54) on the direction of transfer (T) of article to be washed, described at least one scrubbing section (51,52) it is connected to
Downstream, wherein said washing system and described at least one scrubbing section (51,52) are associated.
34. warewasher according to claim 1, wherein said warewasher is embodied as automatically
Programmable machine also has process chamber, and wherein said washing system is associated with described process chamber.
35. warewasher according to claim 34, are wherein also provided with final rinse-system, institute
State final rinse-system with at least one finally rinse pump (44) and be arranged in described process chamber final
Rinse nozzle system (49), in order to the final rinsing of spray in described process chamber during final rinse stage
Fluid.
36. warewasher according to claim 35, wherein said final rinse fluid is fresh
Water.
37. according to the warewasher described in claim 35 or 36, wherein relies in described wash fluid
Dirty degree controls the amount of the final rinse fluid sprayed.
38. warewasher according to claim 35, wherein during described final rinse stage
In described process chamber, the amount of the final rinse fluid of spray depends on during pumping out the stage by means of described useless
Water pump (40) is from washing tube (14;The amount of the wash fluid removed in 14-1).
39. for the method operating the warewasher according to one of claims 1 to 38, wherein said side
Method has a following methods step:
I) during pre-washing the stage, described washing pump (11 is started;11-1) so that be collected in described washing
Bucket (14;At least some of wash fluid in 14-1) is fed at least one Washing spray nozzle (13 described;
13-1), for article to be washed are pre-washed;
Ii) during the dirt discharge stage, described dirt excavationg pump (74 is started;74-1) so that have been enter into institute
State at least some of wash fluid of dirt collecting system (70) and be isolatable from by means of described dirt-collecting system
System (70) is collected in described washing tube (14;At least some of dirt particle of the wash fluid in 14-1) is supplied
It is given to described dirt discharge pipe system (72,73;72-1,73-1), for dirt particle being discharged described utensil
The treatment region of washing machine or process chamber;
Iii) during the main washing stage, described washing pump (11 is started;11-1) so that wash described in being collected in
Wash bucket (14;At least some of wash fluid in 14-1) is fed at least one Washing spray nozzle described
(13;13-1), for article to be washed are carried out main washing;And
Iv) during pumping out the stage, described waste water pump (40) is started so that be collected in described washing tube (14;
At least some of wash fluid in 14-1) is fed into described waste pipe system (41).
40. according to the method described in claim 39, wherein completes described method step i) afterwards but described
Method step iii) start to implement described method step ii before).
41. methods according to claim 40, wherein with delay pattern after completing described method step i)
But at described method step iii) start to implement described method step ii before).
42. according to the method one of claim 39 to 41 Suo Shu, wherein completes described method step iii) after
Implement described method step iv).
43. according to the method described in claim 39, wherein at method step iv) in, it is being supplied to described giving up
The described wash fluid of water pipe system (41) determines the dirty degree in described wash fluid.
44. methods according to claim 43, wherein said method is at method step iv) after also have with
Lower method step:
V) during final rinse stage, pump (44) is finally rinsed by means of at least one by final rinse fluid
It is supplied to final rinse nozzle system (49), for article to be washed finally are rinsed.
45. according to the method described in claim 39, wherein detects described washing tube (14;Filling out in 14-1)
Liquid-filling position, and at described method step ii) in, the filling level detected by dependence is automatically activated institute
State dirt excavationg pump (74;74-1).
46. methods according to claim 45, wherein at described method step ii) in, rely on and detected
To filling level the most automatically start described dirt excavationg pump (74;74-1).
47. according to the method described in claim 45 or 46, wherein at described method step ii) in, start institute
State dirt excavationg pump (74;74-1) reach the previously determined good persistent period, wherein said previously determined good holding
The continuous time depends on detected filling level.
48. methods according to claim 47, wherein by detected filling level and at least one
Previously determined good or confirmable threshold value compares, and wherein at described method step ii) in, rely on
Described result of the comparison is by described dirt excavationg pump (74;74-1) startup reaches the previously determined good persistent period.
49. according to the method described in claim 45 or 46, wherein determines at described method step ii) in institute
By means of described dirt excavationg pump (74 during stating the dirt discharge stage;The body of wash fluid 74-1) discharged
Long-pending, and wherein at described method step ii) in, start described dirt excavationg pump (74;74-1), until borrowing
Help described dirt excavationg pump (74;74-1) pump out the wash fluid of previously determined good volume, wherein said
The wash fluid of previously determined good volume depends on detected filling level.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110084917 DE102011084917A1 (en) | 2011-10-20 | 2011-10-20 | Dishwasher e.g. rack conveyer ware washer, for washing goods e.g. table-wares, has sewage pump connected or connectable with wash tank on suction side and with waste water pipe system on pressure side to pump part of liquid in tank |
DE102011084917.3 | 2011-10-20 | ||
DE102012007785.8 | 2012-04-20 | ||
DE102012007785 | 2012-04-20 | ||
PCT/US2012/060326 WO2013059141A2 (en) | 2011-10-20 | 2012-10-16 | Ware washer with at least one washing system realized as a recirculating circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103889298A CN103889298A (en) | 2014-06-25 |
CN103889298B true CN103889298B (en) | 2016-11-30 |
Family
ID=
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