CN207699944U - The mobile spraying mechanism of double rotary screen cage pneumatic mortar machines - Google Patents

Abstract

The utility model discloses a kind of reciprocal flushing machines of double rotary screen cage pneumatic mortar machines, rotary screen cage is set in babinet, the setting sparge pipe parallel with it outside rotary screen cage, in the end of sparge pipe, connector is set, one end of connecting rod is arranged on connector, the other end is arranged on the periphery of turntable, the spray tube motor of setting driving rotation on turntable.The utility model controls sparge pipe by toggle and cleans back and forth, each corner of rotary screen cage can be more thoroughly washed away, cleaning is more abundant, can also be according to specific needs, by adjusting water spray position pointedly to certain position emphasis sprays not washed clean, water-saving and environmental protection.

Description

The mobile spraying mechanism of double rotary screen cage pneumatic mortar machines

Technical field

The utility model is related to the mud jacking apparatus field in paper-making pulping process, especially a kind of double rotary screen cage pneumatic mortar machines Mobile spraying mechanism.

Background technology

It in pulping and paper-making manufacturing process, needs to be dehydrated slurry, pneumatic mortar machine is being washed for improving pulp density Waste liquid is detached while paper pulp.Existing pneumatic mortar machine has spiral pneumatic mortar machine, double-screen pulp-washing machine and Var-nip press etc., spiral pressure Pulp grinder uses mechanically direct application pressure, therefore energy consumption is big, and dehydration efficiency is not high, and helical axis is long-term and slurries frictional wear, It needs to regularly replace, maintenance cost is high.Double-screen pulp-washing machine carries out press dewatering by multipair pressure roller to paper pulp in double nets, and pulp is dense Spend relatively low, the hard block in slurry easily damages pressure roller and net.Existing Var-nip press such as Chinese patent ZL200810017177.7, including opposite mobile rod and fixing roller are turned to, it is moved on guide rail by mobile rod to adjust two The quality of gap between pressure roller and line pressure, single mobile rod is very big, it is necessary to be adjusted by several hydraulic ram cylinders to drive Section, and degree of regulation is difficult to control；It is arranged above pressed zone and moves blanking scraper and quiet blanking scraper, the slurry accumulation scraped The material for exporting after finally being smashed by the screw conveyor of top above pressed zone, but once accumulating has little time defeated too much It send, is blocked in the storage compartment that material will be formed above pressed zone, machine is caused to be unable to operate normally, storing after the completion of squeezing Indoor last a part of slurry can not be exported from screw conveyor, need that rear discharging is opened manually, use is extremely inconvenient；Cleaning The spray tube of roll surface is fixed setting, and water consumption is big and cannot be satisfied the needs locally cleaned；Above-mentioned hydraulic ram cylinders and driving The hydraulic motor of mobile rod rotation is all made of hydraulic station and is driven, and 6 degree of electricity need to be consumed by often handling one ton of slurry, and electric quantity consumption is big.

Utility model content

The applicant is directed to the problems such as spray mode is single, dumb in above-mentioned existing production, provides a kind of reasonable for structure Double rotary screen cage pneumatic mortar machines mobile spraying mechanism, by toggle control sparge pipe clean back and forth, can be more thorough Wash away to bottom rotary screen cage, cleaning is more abundant, it is also an option that property ground emphasis spray, water-saving and environmental protection.

Technical solution used by the utility model is as follows：

A kind of reciprocal flushing machine of double rotary screen cage pneumatic mortar machines, rotary screen cage is arranged in babinet, is put down therewith outside rotary screen cage Connector is arranged in the end of sparge pipe in row setting sparge pipe, and one end of connecting rod is arranged on connector, and other end setting is turning On the periphery of disk, the spray tube motor of setting driving rotation on turntable.

As a further improvement of the above technical scheme：

The connector is fixing sleeve, and fixing sleeve is set on sparge pipe.

The center of the spray tube motor and turntable connects.

The sparge pipe is arranged above the outside of driven rotary screen cage and shells the lower section of slurry roller.

Nozzle of several openings towards rotary screen cage is set on the sparge pipe.

The beneficial effects of the utility model are as follows：

The utility model controls sparge pipe by toggle and cleans back and forth, can more thoroughly wash away rotary screen cage Each corner, cleaning it is more abundant, can also according to specific needs, by adjusting water spray position pointedly washed not to certain Clean position emphasis spray, water-saving and environmental protection.

Description of the drawings

Fig. 1 is the left view of double rotary screen cage pneumatic mortar machines.

Fig. 2 is the vertical view of Fig. 1.

Fig. 3 is the stereogram of Fig. 1, and part-structure is not shown.

Fig. 4 is the stereogram of the utility model.

Fig. 5 is the stereogram at another visual angle of Fig. 1.

Fig. 6 is the enlarged drawing in the portions A in Fig. 2.

Fig. 7 is the schematic diagram of watertight construction inside Fig. 1.

Fig. 8 is the enlarged drawing in the portions C in Fig. 7.

In figure：1, driven gear wheel；2, transverse arm；3, the first round pin；4, third round pin；5, air spring bearing；6, second Round pin；7, air spring；8, air spring pedestal；9, bearing block；10, nut；11, adjusting screw rod；12, babinet；13, actively big Gear；14, stripping slurry roller；15, discharge slide carriage；16, feeding shell；17, grout outlet；18, speed reducer is conveyed；19, sparge pipe；20、 Pinion gear；21, main motor；22, feeding screw；23, nozzle；24, driven rotary screen cage；25, water outlet；26, scraper；27, actively Rotary screen cage；28, decelerating motor；29, groove；30, inlet suction port；31, high pressure pneumatic tyre；32, sealing strip；35, connecting rod；33, turntable； 34, fixing sleeve；36, spray tube motor；37, stock inlet；38, access hole；39, sidewall paneling.

Specific implementation mode

Below in conjunction with the accompanying drawings, illustrate specific embodiment of the present utility model.

As shown in Figure 1, in the babinet 12 that is open above the opposite active rotary screen cage 27 in two direction of rotation of setting and from Rotary screen cage 24 is moved, the main shaft inside two rotary screen cages is supported on by bearing block 9 on babinet 12, driven rotary screen cage 24 and actively circle The main shaft side end of cylinder mould 27 is separately installed with driven gear wheel 1 and active gear wheel 13, is engaged between two gear wheels, from Dynamic gear wheel 1 is slightly above active gear wheel 13, as shown in Fig. 2, 13 lower section of active gear wheel is provided with the pinion gear being engaged with 20,21 driving pinion 20 of main motor drives active gear wheel 13 to rotate, to drive driven gear wheel 1 to rotate, engagement it is big Gear can ensure that the negative direction rotation synchronous with driven rotary screen cage 24 of active rotary screen cage 27, the utility model are driven by main motor 21 The mode of moving gear transmission drives pneumatic mortar machine to work, and transmission ratio is accurate, transmission is more steady, efficient, and power consumption is low, structure letter It is single easy to maintain.

As shown in figure 5, the utility model is on the babinet 12 of rotary screen cage axial direction side, under the main shaft of corresponding two rotary screen cages Two water outlets 25 are arranged in the position of side, are connected to inside water outlet 25 and rotary screen cage, and access hole 38 is arranged in 25 lower section of water outlet, right Answer the position of the outer side-lower of two rotary screen cages that two stock inlets 37 are set.The outer surface of driven rotary screen cage 24 and active rotary screen cage 27 It is enclosed with two layers of permeable strainer, the gap between two rotary screen cages forms pressed zone, is bonded above pressed zone driven Scraper 26 is arranged in rotary screen cage 24, and the underflow for being fitted on driven rotary screen cage 24 after squeezing scrapes；In active rotary screen cage 27 Feed screw is set on the babinet 12 in outside, stripping slurry roller 14, stripping are set close to active rotary screen cage 27 above feed screw Starch decelerating motor 28 driving stripping slurry of the roller 14 by end set, the setting discharging slide carriage 15 below stripping slurry roller 14.Institute as shown in Figure 1, Figure 2 Show, feed screw is made of the feeding screw 22 being arranged on feeding shell 16 and its inside center axis, feeding screw 22 The conveying speed reducer 18 being arranged by a side-lower drives, and discharge of the downward opening grout outlet 17 for slurry is arranged in the other side, Since the slurry after squeezing is more stiff, feeding screw 22 also functions to the effect for smashing material while slurry body.This reality It is all discharged from the discharge port of 12 side of babinet with the novel underflow by driven rotary screen cage 24 and active rotary screen cage 27, it can be more Smoothly discharge avoids forming excessive storing above pressed zone, accumulates a large amount of materials and results in blockage phenomenon, after squeezing, Last remaining underflow is discharged after all falling into feed screw due to gravity, the slurry that can be emptied completely substantially in babinet 12 Body, without human intervention discharging.

As shown in Figure 1, transverse arm 2, one end of transverse arm 2 are arranged on the sidewall paneling 39 of the babinet 12 of the rotary screen cage axial direction other side It is hinged on babinet 12 by the first round pin 3, the other end is hinged on one end of adjusting screw rod 11 by the second round pin 6, adjusts spiral shell The other end of bar 11 is fixed on babinet 12, and driven gear wheel 1 is rotatably arranged on transverse arm 2 close to the first round pin 3 Side, adjusting screw rod 11 be arranged nut 10, transverse arm 2 can be adjusted by manually adjusting the nut 10 on adjusting screw rod 11 Height change the distance between driven gear wheel 1 and active gear wheel 13 so as to adjust the height of driven gear wheel 1, to Change the gap size between active rotary screen cage 27 and driven rotary screen cage 24, to meet the squeezing of different slurries kind, different humidity Demand is more accurately controlled pulp mass dryness fraction.Buffer gear is set at the middle part of transverse arm 2, including air spring bearing 5, is arranged Air spring 7 on air spring bearing 5, and it is used to support the air spring pedestal 8 of air spring 7, air spring branch The upper end of seat 5 is hinged on by third round pin 4 on transverse arm 2, in pneumatic mortar machine rotary press, encounters heavily fortified point not of uniform size sometimes Smaller displacement occurs for the position of hard object, driven rotary screen cage 24, and 7 one side of air spring can utilize the non-of air compression Linear restoring power absorbs the displacement of driven rotary screen cage 24, restores its normal position, plays the role of part carrying 2 weight of transverse arm, On the other hand play the role of buffering, vibration damping, a large amount of abrasions of rotary screen cage upper filter screen can be prevented, can effectively reduce strainer Replacement frequency.

As shown in figs. 4 and 6, roller 14 is starched in the utility model upper outer of driven rotary screen cage 24 and stripping in babinet 12 The sparge pipe 19 parallel with rotary screen cage main shaft is arranged in lower section, and nozzle 23 of several openings towards rotary screen cage is arranged on sparge pipe 19, The end of 12 outer sparge pipe 19 of babinet is provided with toggle, fixing sleeve 34 is set in the end of sparge pipe 19, one end It is fixed on fixing sleeve 34 by nut, the other end is fixed on the periphery of turntable 33, and turntable 33 is driven by spray tube motor 36 to be revolved Turn, drive connecting rod 35 to move reciprocatingly when turntable 33 rotates, to drive sparge pipe 19 back and forth to spray water, cleans rotary screen cage, back and forth Cleaning can more thoroughly wash away each corner of rotary screen cage, and cleaning is more abundant, since rotary screen cage side rotates, sparge pipe 19 Side cleaning showers can achieve the effect that fully to clean, save water and energy, furthermore it is also possible to according to specific using less water It needs, by adjusting water spray position pointedly to certain position emphasis sprays not washed clean, further saves with water, favorably In environmental protection.

As shown in Fig. 6, Fig. 7, Fig. 8, the utility model is equal in the both ends end of active rotary screen cage 27 and driven rotary screen cage 24 It is provided with watertight sealing mechanism, corresponding with rotary screen cage circumferential size on the sidewall paneling 39 of babinet 12, setting semicircle ring groove 29, Material harder inflatable hollow elastomer is set in groove 29, is high pressure pneumatic tyre 31 in the present embodiment, in high pressure pneumatic tyre 31 End set inlet suction port 30 is correspondingly arranged the sealing strip 32 of semicircular ring, from inlet suction port 30 to height in the opening of groove 29 Tire 31 of calming the anger is inflated, high pressure pneumatic tyre 31 after expansion squeeze can activity sliding sealing strip 32 so that 32 end of sealing strip Water-stop is realized in the side end face that face firmly compresses rotary screen cage, to ensure that the slurry outside water and cage in rotary screen cage is not let out mutually Dew mixing, the material of sealing strip 32 is the engineering plastics such as high molecular polythene.Compared to sealing means such as existing cylinder or springs, The inflation of high pressure pneumatic tyre 31 is more uniform so that the extruding force being applied on sealing strip 32 is more uniform, sealing effect more preferably, separately Outside, after long-time service, the contact face such as sealing strip 32 is thinning because of abrasion, at this point, without water-stop mechanism is needed to change, it is only necessary to Distance between inflation adjustment sealing strip 32 and rotary screen cage side end face makes the end of the fitting rotary screen cage completely of sealing strip 32, you can real The effect now sealed.

When utility model works, the paper pulp of slurry a concentration of 3.5% enters babinet 12 from two stock inlets 37, into slurry pressure It is one kilogram, the radial height of rotary screen cage, the startup consistent into slurry flow of two stock inlets 37 is no more than into the height of Starch Level Main motor 21, main motor 21 drive active gear wheel 13 to rotate, and the driven gear wheel 1 of engagement follows rotation, to drive actively The negative direction rotation synchronous with driven rotary screen cage 24 of rotary screen cage 27, as shown in Figure 1, driven rotary screen cage 24 rotates counterclockwise, it is actively round Cylinder mould 27 rotates clockwise, while slurry being driven to be upwardly into pressed zone, due to rotary screen cage outer surface wrap up two layers it is permeable Strainer, after extruding of the slurry by two rotary screen cages, most liquid all enters in rotary screen cage, remaining underflow patch after squeezing The underflow closed on the outer surface of rotary screen cage, driven rotary screen cage 24 is scraped by scraper 26, is transferred to the active circle of negative direction rotation Cylinder mould 27 conveys outward, and stripping slurry roller 14 scrapes the underflow on active rotary screen cage 27, and the underflow scraped is fallen in discharging slide carriage 15 On, the feed screw of lower section is slid into, conveying speed reducer 18 drives feeding screw 22 to rotate, underflow is delivered to 17 row of grout outlet Go out, the squeeze water in rotary screen cage is discharged from the water outlet 25 of side, and outlet underflow can reach 25 ~ 30% mass dryness fraction, this practicality is new The production capacity of type is 10t/h, and main motor 21 configures 30KW motors, and rated current 58A, actual motion 34 ~ 40A of electric current are specified electricity The 60 ~ 70% of stream, since to be arranged the water level inside the lower section of rotary screen cage main shaft, rotary screen cage relatively low for water outlet 25, therefore by plus After the paper pulp of pressure enters 12 inside of babinet, due to the presence of pressure difference and gravity, a part of paper pulp can voluntarily exosmose from rotary screen cage Penetrate into rotary screen cage, achieve the effect that preliminary shove, then through the pressed zone between driven rotary screen cage 24 and active rotary screen cage 27 into One step press dewatering, and feed screw is only responsible for conveying underflow, without squeezing, therefore power consumption is low, and handling one ton of slurry only needs 2 degree of electricity of consumption are the one thirds of existing Var-nip press consumption electric energy.During use, clean driven rotary screen cage is scraped 24 19 cleaning showers of sparge pipe being arranged close to 12 side of babinet by top, active rotary screen cage 27 is then by discharging under slide carriage 15 19 cleaning showers of sparge pipe being just arranged, two sparge pipes 19 can move spray, to comprehensively clean rotary screen cage, equipment When closing, mobile spray equipment cleaning showers can also be individually opened, while can locally clean certain of rotary screen cage as needed A position.

Above description is the explanation to the utility model, is not the restriction to utility model, without prejudice to the utility model In the case of spirit, the utility model can make any type of modification.Such as feed screw can also be arranged driven On the babinet 12 of 24 side of rotary screen cage, the setting stripping slurry roller 14 above the outside of driven rotary screen cage 24 is set below stripping slurry roller 14 Discharging slide carriage 15 is set, active rotary screen cage 27 is bonded above pressed zone, scraper 26 is set, scraper 26 scrapes active rotary screen cage 27 Underflow is transported on driven rotary screen cage 24, after stripping slurry roller 14 peels off, is conveyed and is discharged by feed screw, this equally may be implemented The purpose of utility model.

Claims (5)

1. a kind of reciprocal flushing machine of double rotary screen cage pneumatic mortar machines, it is characterised in that：In babinet（12）Interior setting rotary screen cage, in circle Setting sparge pipe parallel with it outside cylinder mould（19）, in sparge pipe（19）End be arranged connector, connecting rod（35）One end setting On connector, the other end is arranged in turntable（33）Periphery on, in turntable（33）The spray tube motor of upper setting driving rotation （36）.

2. the reciprocal flushing machine of double rotary screen cage pneumatic mortar machines described in accordance with the claim 1, it is characterised in that：The connector is Fixing sleeve（34）, fixing sleeve（34）It is set in sparge pipe（19）On.

3. the reciprocal flushing machine of double rotary screen cage pneumatic mortar machines described in accordance with the claim 1, it is characterised in that：The spray tube electricity Machine（36）With turntable（33）Center connection.

4. the reciprocal flushing machine of double rotary screen cage pneumatic mortar machines described in accordance with the claim 1, it is characterised in that：The sparge pipe （19）It is arranged in driven rotary screen cage（24）Outside above and stripping slurry roller（14）Lower section.

5. the reciprocal flushing machine of double rotary screen cage pneumatic mortar machines described in accordance with the claim 1, it is characterised in that：In the sparge pipe （19）Nozzle of the upper several openings of setting towards rotary screen cage（23）.