CN104534448B - A kind of high-low pressure vapor removal No leakage draining system - Google Patents
A kind of high-low pressure vapor removal No leakage draining system Download PDFInfo
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- CN104534448B CN104534448B CN201510014243.5A CN201510014243A CN104534448B CN 104534448 B CN104534448 B CN 104534448B CN 201510014243 A CN201510014243 A CN 201510014243A CN 104534448 B CN104534448 B CN 104534448B
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Abstract
The invention discloses a kind of high-low pressure vapor removal No leakage draining system, sequentially include boiler, board production heat dissipation system, No leakage draining system, constant-pressure tank, steam-water separator and the low back pressure recycling machine connected by pipeline；Water is inputted boiler heating by feed pump, form the primary steam of high pressure, in piping is delivered to board production heat dissipation system, primary steam becomes low setting-out and the indirect steam of saturated vapor mixing, and part indirect steam is discharged through the siphon of board production heat dissipation system；Most indirect steam is after No leakage draining system, in input constant-pressure tank, then separates dried through steam-water separator, and condensed water enters low back pressure recycling machine, and steam is then defeated by triple preheating cylinder and is used, more buffered tank input boiler is circulated utilization.High-low pressure vapor removal in the present invention, therefore, after steam use, the separation dispatch of condensed water No leakage soda pop, reduces the thermal loss of steam-heating system, improves service efficiency, reduce production cost.
Description
Technical field
The present invention relates to field of steam heating device, be specifically related in corrugated board production one used
Plant high-low pressure vapor removal No leakage draining system.
Background technology
Corrugated board have light weight, resistance to compression, resistance to expose, anti tear and buffering, shockproof, easily process
The performances such as molding, and can cycling and reutilization, environmentally safe, economic heap light, easy
Put, be therefore widely used in a variety of applications.Need during corrugated board production to use substantial amounts of heat energy
Corrugated board on the equipment such as press device, drying plant and modular system is carried out heat treated.
At present, steam-heating system is mainly used to realize heating.
Because of steam pipeline run in the heater can produce condensed water formed steam mix with water, because of
This this steam-heating system needs to use Automatic steam trap Trap.The basic role of Automatic steam trap Trap be by
Condensation water, air and carbon dioxide in vapour system are discharged as early as possible；The most to greatest extent
It is automatically prevented from the leakage of steam.Even so, the leakage rate also having 5-8% of Automatic steam trap Trap.
Reason is: the draining aperture of each Automatic steam trap Trap is changeless, and vapour system pipeline
Varying in size with heat everywhere, the condensed water accumulation resulting in some place too much has little time to discharge,
Build-up of pressure container hydrops, heat-transfer effect is deteriorated；And other place condensed water is less, cause
Some vapor leaks, and must have simultaneously and front and back reveal difference ability draining.
Especially at same heat supply, when whole line uses, some place needs High Temperature High Pressure；Have
Place need low-temp low-pressure, thus after causing once (primary) steam to use, return pipe occurs
Road back pressure is high, the phenomenon that process requirements low back pressure part cannot be hydrophobic.Meanwhile, present streamline is all
Use whole line High Temperature High Pressure to bring destruction greatly to product quality, also cause the energy extremely wave simultaneously
Take, still need high-low pressure vapor removal.And the repeatedly regeneration cycle of condensed water waste steam passs
Decompression power utilizes, until to the condensed water low-temperature return water system within 0.5 2bar.
Summary of the invention
For solving above-mentioned technical problem, the present invention proposes a kind of high-low pressure vapor removal No leakage and dredges
Water system, to reach energy-saving and emission-reduction, to reduce energy consumption, the purpose of reduction production cost.
For reaching above-mentioned purpose, technical scheme is as follows:
A kind of high-low pressure vapor removal No leakage draining system, the boiler sequentially including being connected by pipeline,
Board production heat dissipation system, No leakage draining system, constant-pressure tank, steam-water separator and low back pressure
Recycling machine；Water is inputted boiler heating by feed pump, forms the primary steam of high pressure, defeated through piping
Delivering in board production heat dissipation system, primary steam becomes low setting-out and the two of saturated vapor mixing
Secondary steam, part indirect steam is discharged through the siphon of board production heat dissipation system；Most
Indirect steam is after No leakage draining system, in input constant-pressure tank, then separates dry through steam-water separator
After dry, condensed water enters low back pressure recycling machine, and steam is then defeated by triple preheating cylinder and is used, and uses
After the most buffered tank input boiler be circulated utilization, described No leakage draining system include power dredge
Water pot, pressure transducer, temperature sensor, Pressure gauge, liquid level sensor, pneumatic switch one,
Pneumatic switch two, pneumatic switch three and pneumatic switch four, described pressure transducer, described temperature pass
Sensor may be contained within the jet chimney that is connected with described power drain trap with described pneumatic switch two,
Described liquid level sensor, described Pressure gauge, described pneumatic switch one are arranged at described power drain trap
Top, pneumatic switch three is arranged in the middle part of described power drain trap, and pneumatic switch four is arranged at described
The bottom of power drain trap.
Preferably, described board production heat dissipation system sequentially includes Corrugator roller, pressure roll and hot plate.
Steam flows to drying cylinder again and utilizes after separating with water.
Preferably, described constant-pressure tank, described low back pressure recycling machine and described surge tank are equipped with and pot
The ftercompction pipeline that stove communicates.
Preferably, pneumatic switch one, pneumatic switch two, pneumatic switch three and pneumatic switch four are all provided with
There is feedback contact.
Preferably, also include that indirect steam makes full use of system, its use steam negative pressure-pumping pump and
Proportioning valve with the use of, it is possible to be automatically adjusted the benefit of primary steam according to the steam usage amount of system
Charge.
Compared with prior art, the invention have the advantages that
High-low pressure vapor removal in the present invention, therefore, steam achieves No leakage transmission, reduces
The thermal loss of steam-heating system, improves service efficiency, reduces production cost.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it is clear that
Ground, the accompanying drawing in describing below is only one embodiment of the present of invention, skill common for this area
From the point of view of art personnel, on the premise of not paying creative work, it is also possible to obtain it according to this accompanying drawing
His accompanying drawing.
Fig. 1 is the hydrophobic system of a kind of high-low pressure vapor removal No leakage disclosed in the embodiment of the present invention 1
The structural representation of system.
Fig. 2 is the structural representation of the No leakage draining system in Fig. 1.
The component names that in figure, numeral represents:
1. boiler 2. board production heat dissipation system 21. Corrugator roller 22. pressure roll 23. heat
Plate 3. No leakage draining system 31. power drain trap 32. pressure transducer 33. temperature passes
Sensor 34. Pressure gauge 35. liquid level sensor 36. pneumatic switch 1 pneumatic switch two
The 38. pneumatic switch 3 39. pneumatic switch 4 4. low back pressures of constant-pressure tank 5. steam-water separator 6.
Recycling machine 7. triple preheating cylinder 8. surge tank 9. ftercompction pipeline
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the technical scheme in the embodiment of the present invention
It is clearly and completely described, it is clear that described embodiment is only the present invention one enforcement
Example rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, broadly falls into this
The scope of bright protection.
Below in conjunction with embodiment and detailed description of the invention, the present invention is further detailed explanation.
Embodiment 1.
As depicted in figs. 1 and 2, a kind of high-low pressure vapor removal No leakage draining system, sequentially wraps
Include via pipeline connect boiler 1, board production heat dissipation system 2, No leakage draining system 3,
Constant-pressure tank 4, steam-water separator 5 and low back pressure recycling machine 6；Water is inputted boiler 1 and heats by feed pump,
Form the primary steam of high pressure, in piping is delivered to board production heat dissipation system 2, primary
Steam becomes low setting-out and the indirect steam of saturated vapor mixing, and part indirect steam is through production
The siphon of line heat dissipation system is discharged；Most indirect steam after No leakage draining system 3,
In input constant-pressure tank 4, then separating after drying through steam-water separator 5, condensed water enters low back pressure and returns
Receipts machine 6, steam is then defeated by triple preheating cylinder 7 and uses, and after using, the most buffered tank 8 inputs boiler
1 is circulated utilization.
Described board production heat dissipation system 2 sequentially includes Corrugator roller 21, pressure roll 22 and hot plate
23.Steam flows to drying cylinder again and utilizes after separating with water.
Described constant-pressure tank, described low back pressure recycling machine and described surge tank are equipped with and communicate with boiler
Ftercompction pipeline 9.
Described No leakage draining system 3 includes that power drain trap 31, pressure transducer 32, temperature pass
Sensor 33, Pressure gauge 34, liquid level sensor 35, pneumatic switch 1, pneumatic switch 2 37,
Pneumatic switch 3 38 and pneumatic switch 4 39, described pressure transducer, described temperature sensor and institute
State on the jet chimney that pneumatic switch two may be contained within being connected with described power drain trap, described liquid level
Sensor, described Pressure gauge, described pneumatic switch one are arranged at described power drain trap top, gas
Dynamic switch three is arranged in the middle part of described power drain trap, and it is hydrophobic that pneumatic switch four is arranged at described power
The bottom of tank.And pneumatic switch one, pneumatic switch two, pneumatic switch three and pneumatic switch four are all provided with
There is feedback contact.
Operation principle:
Draining action.When liquid level sensor detects that water level is positioned at low level, pneumatic switch two is opened,
Pneumatic switch one, pneumatic switch three and pneumatic switch four are closed.When liquid level sensor detects water level
When reaching middle position, the time delay 30-100 second confirms, pneumatic switch two closes water inlet, and pneumatic switch three is opened
Draining, when water level falling to low level sets, pneumatic switch three is closed.Such as pneumatic switch three row of opening
Water, time at the appointed time as do not reached low liquid level in 2-5 minute, opens pneumatic switch one and closely steams
Vapour pressurizes, and when liquid level is for setting value, simultaneously closes off pneumatic switch one and pneumatic switch three, beats
Open pneumatic switch two and reply normal operating conditions.
Protection act 1.When temperature sensor measurement temperature is less than setting value (generally at 100-140
Degree), it is gentle that pneumatic switch two and pneumatic switch three open draining, when rising above setting value, gas
Dynamic switch two and pneumatic switch three are closed.After opening such as pneumatic switch two, within the time of regulation,
Generally at 2-5 minute, when intensification does not reaches setting value, just ....
Protection act 2.It is gentle that pneumatic switch four opens draining, when rising above setting, simultaneously closes off
Pneumatic switch three and pneumatic switch four, reply normal operating conditions.When liquid level sensor sensed water level
When arriving high-order, the time delay 30-100 second confirms, pneumatic switch two closes water inlet, pneumatic switch four dozens
Begin to rehearse water；When water level falls after rise less than setting value, close pneumatic switch four, open pneumatic switch two,
Reply normal work.
Also including that indirect steam makes full use of system, it uses steam negative pressure-pumping pump and proportioning valve to join
Close and use, it is possible to be automatically adjusted the magnitude of recruitment of primary steam according to the steam usage amount of system.
High-low pressure vapor removal in the present invention, therefore, steam achieves No leakage transmission, reduces
The thermal loss of steam-heating system, improves service efficiency, reduces production cost.
Above-described is only the preferred embodiment of the present invention, it is noted that for this area
For those of ordinary skill, without departing from the concept of the premise of the invention, it is also possible to if making
Dry deformation and improvement, these broadly fall into protection scope of the present invention.
Claims (5)
1. a high-low pressure vapor removal No leakage draining system, it is characterised in that sequentially include by
Boiler that pipeline connects, board production heat dissipation system, No leakage draining system, constant-pressure tank, slow
Rush tank, steam-water separator and low back pressure recycling machine；Water is inputted boiler heating by feed pump, forms height
The primary steam of pressure, in piping is delivered to board production heat dissipation system, primary steam becomes
Low setting-out and the indirect steam of saturated vapor mixing, part indirect steam is through board production heat dissipation system
The siphon of system is discharged；Most indirect steam, after No leakage draining system, inputs constant-pressure tank
In, then separating dried through steam-water separator, condensed water enters low back pressure recycling machine, and steam is then
Being defeated by triple preheating cylinder to use, after using, the most buffered tank input boiler is circulated utilization, described
No leakage draining system include power drain trap, pressure transducer, temperature sensor, Pressure gauge,
Liquid level sensor, pneumatic switch one, pneumatic switch two, pneumatic switch three and pneumatic switch four, institute
State pressure transducer, described temperature sensor and described pneumatic switch two to may be contained within and described power
On the jet chimney that drain trap is connected, described liquid level sensor, described Pressure gauge, described pneumatic open
Closing one and be arranged at described power drain trap top, pneumatic switch three is arranged in described power drain trap
Portion, pneumatic switch four is arranged at the bottom of described power drain trap.
A kind of high-low pressure vapor removal No leakage draining system the most according to claim 1, its
Being characterised by, described board production heat dissipation system sequentially includes Corrugator roller, pressure roll and hot plate.
A kind of high-low pressure vapor removal No leakage draining system the most according to claim 2, its
It is characterised by, described steam-water separator, constant-pressure tank, surge tank, described low back pressure recycling machine and institute
State surge tank and be equipped with the ftercompction pipeline communicated with boiler.
A kind of high-low pressure vapor removal No leakage draining system the most according to claim 3, its
Being characterised by, pneumatic switch one, pneumatic switch two, pneumatic switch three and pneumatic switch four are equipped with
Feedback contact.
5. hydrophobic according to a kind of high-low pressure vapor removal No leakage described in any one of claim 1-4
System, it is characterised in that also include that indirect steam makes full use of system, it uses steam negative pressure to take out
Sucking pump and proportioning valve with the use of, it is possible to be automatically adjusted primary steaming according to the steam usage amount of system
The magnitude of recruitment of vapour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510014243.5A CN104534448B (en) | 2015-01-12 | 2015-01-12 | A kind of high-low pressure vapor removal No leakage draining system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510014243.5A CN104534448B (en) | 2015-01-12 | 2015-01-12 | A kind of high-low pressure vapor removal No leakage draining system |
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| Publication Number | Publication Date |
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| CN104534448A CN104534448A (en) | 2015-04-22 |
| CN104534448B true CN104534448B (en) | 2016-08-24 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964166A (en) * | 2015-07-13 | 2015-10-07 | 武汉都市环保工程技术股份有限公司 | Steam pipeline drain recovery system |
| CN106524124B (en) * | 2015-09-14 | 2018-12-25 | 新特能源股份有限公司 | A kind of quasi- eastern coal direct current cooker drainage system |
| CN105965732B (en) * | 2016-07-06 | 2019-01-18 | 中策橡胶集团有限公司 | Tyre vulcanization hot plate steam pipework draining system and its application |
| CN106042460A (en) * | 2016-07-26 | 2016-10-26 | 昆山鸣朋纸业有限公司 | Corrugated paper board production line |
| CN106903931A (en) * | 2017-02-24 | 2017-06-30 | 浙江大胜达包装股份有限公司 | Steam ladder utilizes system on corrugated paper production line |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201476513U (en) * | 2009-08-25 | 2010-05-19 | 浙江最红控股集团有限公司 | Vapor circulation system for packaging paperboard |
| CN201901806U (en) * | 2010-12-06 | 2011-07-20 | 天津光华包装有限公司 | Closed type waste heat recovery system of corrugated paperboard production line |
| FI122648B (en) * | 2010-12-16 | 2012-05-15 | Metso Paper Inc | Method and arrangement for treating residual steam in a steam and condensation system for a fiber web machine |
| CN103302903B (en) * | 2013-05-15 | 2015-09-30 | 临沂兴华包装有限公司 | Secondary steam utilizing system |
| CN203810964U (en) * | 2014-03-20 | 2014-09-03 | 立诚包装有限公司 | Condensate water recovery and comprehensive utilization device of corrugated board production line |
| CN203864095U (en) * | 2014-04-21 | 2014-10-08 | 江苏东方印务有限公司 | Efficient corrugator roll drain heating device |
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