CN214459151U

CN214459151U - Washing dewatering device of raw materials for paper mill

Info

Publication number: CN214459151U
Application number: CN202023224279.1U
Authority: CN
Inventors: 王赞
Original assignee: Zouping Shengming Machinery Manufacturing Co ltd
Current assignee: Zouping Shengming Machinery Manufacturing Co ltd
Priority date: 2020-12-26
Filing date: 2020-12-26
Publication date: 2021-10-22
Anticipated expiration: 2030-12-26

Abstract

The utility model relates to a washing dewatering device of raw materials for paper mill belongs to the technical field of slurrying papermaking equipment, it includes the wood chip washing machine, still include dehydration tank and hydrologic cycle mechanism, inlet and feed opening have been seted up to the dehydration tank, the dehydration tank internal rotation is connected with the delivery axis, be provided with helical blade on the delivery axis, be provided with on the dehydration tank and be used for driving delivery axis pivoted driving piece, the slope of dehydration tank sets up, and the inlet of dehydration tank is less than the feed opening, the inlet of dehydration tank and the discharge gate intercommunication of wood chip washing machine, a plurality of drainage holes have been seted up to one side that the dehydration tank is close to ground, the hydrologic cycle mechanism is including the inlet tube that communicates in proper order, a filtering ponds for filtering sewage, suction pump and outlet pipe, the one end and the drainage hole intercommunication of filtering ponds are kept away from to the inlet tube, the one end that the suction pump was kept away from to the outlet pipe communicates with the feed inlet of wood chip washing machine. This application has the effect that reduces the extravagant degree of water resource.

Description

Washing dewatering device of raw materials for paper mill

Technical Field

The application relates to the field of equipment for pulping and papermaking, in particular to a washing and dewatering device for raw materials for a paper mill.

Background

In the pulping and papermaking industry, wood chips or bamboo chips are generally selected as raw materials, impurities such as silt, stones and the like can be brought into the wood or bamboo in the processes of cutting, collecting, transporting and stacking, and the wood chips or bamboo chips need to be washed and the impurities are removed before the wood chips or bamboo chips are made into pulp, so that the normal operation of related pulping equipment in the subsequent process is facilitated.

In the related art, chinese utility model patent with publication number CN201553942U discloses a wood chip washing machine, which comprises a machine body, wherein one end of the machine body is provided with a feed inlet, the other end of the machine body is provided with a discharge outlet, the bottom of the machine body is provided with a slag discharge outlet, a rotary drum is arranged in the machine body, the rotary drum comprises a rotary wheel and a wing panel arranged on the rotary wheel, the rotary drum is two or more than two, and the two or more than two rotary drums are sequentially arranged between the feed inlet and the discharge outlet. The two rotary drums are adopted, the rotary drum close to one side of the feed port is a first rotary drum, the rotary drum close to one side of the discharge port is a second rotary drum, the first rotary drum and the second rotary drum are respectively driven by one driving mechanism, and the driving directions of the two driving mechanisms are consistent. When the wood chip washing machine is used, workers firstly feed raw material wood chips into the machine body from the feed inlet, and spray water into the machine body to wash the fed wood chips when the raw material wood chips are fed; after the wood chips enter the liquid level of the machine body (the liquid level in the machine body is about 150mm-200mm above the central line of the rotary drum), the wood chips are fully contacted with washing water under the pressing and stirring action of the first rotary drum, so that silt and the wood chips are separated; then the wood chips float out of the liquid level from the other side of the first rotary drum and enter a region between the first rotary drum and the second rotary drum; then the wood chips enter the liquid level below again under the pressing and stirring action of the second rotary drum and are separated from the fine silt for the second time; finally, floating the wood chips out of the liquid level from the other side of the second rotary drum, and entering the next procedure from a discharge port; and regularly discharging slag at the slag discharge port every certain time.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the water for cleaning each time is disposable, the water consumption for washing is large, and the water resource is seriously wasted.

SUMMERY OF THE UTILITY MODEL

In order to reduce the waste degree of water resource, this application provides a washing dewatering device of raw materials for paper mill.

The application provides a washing dewatering device of raw materials for paper mill adopts following technical scheme:

a washing and dewatering device for raw materials used in paper factories comprises a wood chip washing machine, a dewatering tank and a water circulation mechanism, the dewatering tank is provided with a liquid inlet and a material outlet, the dewatering tank is rotationally connected with a conveying shaft, the conveying shaft is provided with a helical blade, the dewatering tank is provided with a driving piece for driving the conveying shaft to rotate, the dewatering tank is obliquely arranged, the liquid inlet of the dewatering tank is lower than the feed opening, the liquid inlet of the dewatering tank is communicated with the discharge opening of the wood chip washing machine, a plurality of water filtering holes are arranged on one side of the dewatering tank close to the ground, the water circulation mechanism comprises a water inlet pipe, a filtering tank for filtering sewage, a water suction pump and a water outlet pipe which are sequentially communicated, the one end and the drainage hole intercommunication of filtering ponds are kept away from to the inlet tube, the one end and the feed inlet intercommunication of wood chip washing machine that the suction pump was kept away from to the outlet pipe.

Through adopting above-mentioned technical scheme, raw materials after the wood chip washing machine washs and sewage from the discharge gate after the entering dehydration tank by the inlet, because the dehydration tank slope sets up, carry the axle to rotate through the driving piece drive, drive and carry epaxial helical blade to rotate, thereby it moves to the feed opening of dehydration tank to drive the raw materials, by the feed opening drop out and be collected, sewage then flows out by the drainage hole under the action of gravity, get into the filtering ponds through the inlet tube and be filtered, the clear water after the filtration is taken out by the suction pump and is got into the outlet pipe, it washs new raw materials to get into in the feed inlet of wood chip washing machine again, water cyclic utilization has been realized, the washing water consumption has been reduced, thereby the extravagant degree of water resource has been reduced.

Optionally, the water outlet pipe is communicated with a branch pipe, and one end of the branch pipe, which is far away from the water outlet pipe, is communicated with one end of the machine body of the wood chip washing machine, which is close to the slag discharge port.

Through adopting above-mentioned technical scheme, the clear water still can get into in the organism by the organism of wood chip washing machine near the one end of row's cinder notch, plays certain thrust to the organism raw materials that is close to row's cinder notch, has reduced the condition that the raw materials got into row's cinder notch, and simultaneously, this thrust is not enough to play a role in silt, stone etc. does not influence the discharge of silt, stone to the work efficiency of wood chip washing machine has been improved.

Optionally, the conveying shafts are provided with two conveying shafts which rotate in opposite directions, the spiral directions of the spiral blades on the two conveying shafts are opposite and are distributed in a staggered coupling manner, the driving part is a driving motor, the two driving motors are arranged and correspond to the conveying shafts one to one, and the driving motor is arranged on the outer wall of the dewatering tank and is in coaxial transmission connection with the corresponding conveying shafts.

Through adopting above-mentioned technical scheme, carry the axle to be provided with two, and rotate in opposite directions, and two spiral blade's of carrying epaxial spiral shell revolve to opposite, and crisscross coupling distributes, the transport efficiency of raw materials has been improved, and play certain squeezing action to the raw materials, the condition that sewage leaves the dehydration tank by the feed opening along with the wood chip has been reduced, set up two driving motor, the transport axle that every driving motor drive corresponds rotates, be convenient for control two respectively and carry the axle, reduce the damage of carrying the axle to another influence of carrying the axle.

Optionally, the water filtering hole is arranged at one end of the dewatering tank far away from the feed opening.

Through adopting above-mentioned technical scheme, the setting up of drainage hole makes sewage flow from the one end that the feed opening was kept away from to the dehydration tank, has reduced the possibility that sewage got into the feed opening.

Optionally, the filtering ponds include cell body and filtration membrane, filtration membrane can dismantle with the inside lateral wall of cell body and be connected, filtration membrane divide into sewage district and clear water district with the cell body, inlet tube and sewage district intercommunication, the clear water district passes through connecting pipe and suction pump intercommunication.

By adopting the technical scheme, the filtering membrane has a certain filtering effect on sewage, so that water can be recycled, and the utilization rate of the water is improved; the filtering membrane is detachably connected with the side wall inside the tank body, so that the filtering membrane can be conveniently replaced.

Optionally, a tapered tube is arranged on the outer wall of the dewatering tank close to the water filtering hole, an opening at one end of the tapered tube close to the dewatering tank is larger than the other end of the tapered tube, and one end of the tapered tube far away from the dewatering tank is communicated with the water inlet pipe.

Through adopting above-mentioned technical scheme, the setting of toper pipe is convenient for the collection of sewage, plays certain guide effect for the flow direction of sewage, and simultaneously, when sewage flows to the inlet tube along the toper pipe, along with the reduction of toper pipe diameter, the velocity of flow of sewage crescent has improved the treatment effeciency of sewage.

Optionally, a baffle for controlling the opening and closing of the tank opening is arranged on the side wall of the tank body close to the tank opening, and the baffle is sleeved with the water inlet pipe in a sliding manner.

By adopting the technical scheme, the baffle is sleeved with the water inlet pipe in a sliding manner, the opening and closing of the tank opening can be controlled by the sliding baffle, and the filtering membrane in the tank body can be conveniently replaced when the tank opening is opened by the baffle; when the baffle closes the pool opening, the possibility that external pollutants enter the interior of the pool body to pollute water is reduced.

Optionally, a sliding groove is formed in the side wall of the tank body, the sliding groove is formed in the axial direction of the water inlet pipe, a sliding rod is arranged on the baffle, and the sliding rod is connected with the sliding groove in a sliding mode.

Through adopting above-mentioned technical scheme, the pole that slides is connected with sliding of sliding groove and has been realized the baffle and be connected with sliding of cell body.

Optionally, a clamping groove is formed in the sliding rod, a clamping block is horizontally connected to the side wall, close to the tank opening, of the tank body in a sliding mode, and the clamping block and the clamping groove can be clamped.

Through adopting above-mentioned technical scheme, the baffle that slides removes to the direction of keeping away from the cell body, and the pool mouth is opened, and the fixture block slides, makes the fixture block and the draw-in groove joint on the pole that slides, can lock the distance of sliding of pole that slides to the position of locking baffle.

Optionally, the clamping groove is provided with a plurality of grooves along the length direction of the sliding rod, and the clamping block can be clamped with any one clamping groove.

Through adopting above-mentioned technical scheme, the setting of a plurality of draw-in grooves is convenient for adjust the distance of sliding of pole that slides, more is applicable to the staff's of different heights actual operating environment.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the wood chip washing machine, the dewatering tank and the water circulation mechanism, the water resource is recycled, the water consumption for washing is reduced, and the waste degree of the water resource is reduced;

2. clear water can also enter the machine body from one end of the machine body of the wood chip washing machine close to the slag discharge port, certain thrust is exerted on the raw materials of the machine body close to the slag discharge port, the situation that the raw materials enter the slag discharge port is reduced, meanwhile, the thrust is not enough to act on silt, stones and the like, the discharge of the silt and the stones is not influenced, and therefore the working efficiency of the wood chip washing machine is improved;

3. the baffle is sleeved with the water inlet pipe in a sliding manner, the opening and closing of the tank opening can be controlled by the sliding baffle, and the filtering membrane in the tank body can be conveniently replaced when the tank opening is opened by the baffle; when the baffle closes the pool opening, the possibility that external pollutants enter the interior of the pool body to pollute water is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of a washing and dewatering device according to an embodiment of the present application;

FIG. 2 is a schematic view of a partial structure of a washing and dewatering device according to an embodiment of the present application;

FIG. 3 is a partial schematic structural view of a dewatering tank according to an embodiment of the present application;

fig. 4 is a schematic overall structure diagram of a filtration tank according to an embodiment of the present application.

Description of reference numerals: 100. a wood chip washing machine; 110. a discharge port; 120. a feed inlet; 130. a slag discharge port; 140. a communicating pipe; 200. a dewatering tank; 210. a liquid inlet; 220. a feeding port; 230. a delivery shaft; 231. a helical blade; 240. a drive motor; 250. water filtering holes; 260. a tapered tube; 300. a water circulation mechanism; 310. a water inlet pipe; 320. a filtration tank; 321. a tank body; 322. a filtration membrane; 323. a sliding groove; 324. a chute; 325. a clamping block; 330. a water pump; 340. a water outlet pipe; 341. a branch pipe; 350. a connecting pipe; 360. a baffle plate; 361. a slide bar; 362. a card slot; 363. and a through hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a washing and dewatering device for raw materials for a paper mill. Referring to fig. 1, the washing and dewatering device comprises a chip washing machine 100, the chip washing machine 100 is communicated with a dewatering tank 200, the dewatering tank 200 is communicated with a water circulation mechanism 300, and the water circulation mechanism 300 can supply water for the chip washing machine 100.

Referring to fig. 1 and 2, the dewatering tank 200 is provided with a liquid inlet 210 and a discharge port 220, the dewatering tank 200 is disposed in an inclined manner, and the liquid inlet 210 of the dewatering tank 200 is lower than the discharge port 220. The discharge port 110 of the chip washing machine 100 is communicated with the inlet 210 of the dewatering tank 200 through the connection pipe 140.

Referring to fig. 3, a conveying shaft 230 is rotatably connected in the dewatering tank 200, the conveying shaft 230 is disposed along a length direction of the dewatering tank 200, and two conveying shafts 230 are disposed to rotate in opposite directions. A driving member is provided on an outer wall of the dewatering tank 200 to drive the conveying shaft 230 to rotate.

The driving members are two driving motors 240, and the two driving motors 240 are welded on the outer wall of the dewatering tank 200, and are in one-to-one correspondence with the conveying shafts 230, and the output shafts of the driving motors 240 are connected with one end of the corresponding conveying shafts 230 through coaxial bolts, so that the driving motors 240 are in transmission connection with the corresponding conveying shafts 230.

Helical blades 231 are welded on the two conveying shafts 230, and the helical blades 231 on the two conveying shafts 230 have opposite rotating directions and are distributed in a staggered coupling manner, so that the raw materials can be conveyed conveniently.

A plurality of water filtering holes 250 are formed in one side of the dewatering tank 200 close to the ground, and the water filtering holes 250 are formed in one end of the dewatering tank 200 far away from the feed opening 220 and used for dewatering. The outer wall of the dewatering tank 200 close to the water filtering holes 250 is provided with a tapered tube 260, and one end opening of the tapered tube 260 close to the dewatering tank 200 is larger than the other end for guiding the flow direction of sewage, so that the sewage can be collected conveniently.

Referring to fig. 1 and 4, the water circulation mechanism 300 includes a water inlet pipe 310, one end of the water inlet pipe 310 is communicated with one end of the tapered pipe 260 away from the dehydrating tub 200, and the other end of the water inlet pipe 310 is communicated with a filtering tank 320 to filter the sewage.

The filtering tank 320 comprises a tank body 321, a filtering membrane 322 is bonded on the inner side wall of the tank body 321, the tank body 321 is divided into a sewage area and a clean water area by the filtering membrane 322, the sewage area is arranged between the filtering membrane 322 and the tank opening of the tank body 321, and one end of the water inlet pipe 310, which is far away from the conical pipe 260, is communicated with the sewage area.

A clear water area is arranged between the filter membrane 322 and the bottom of the tank body 321, a connecting pipe 350 is communicated in the clear water area, the connecting pipe 350 penetrates through the side wall of the tank body 321 and is communicated with a water suction pump 330, one end, far away from the connecting pipe 350, of the water suction pump 330 is communicated with a water outlet pipe 340, one end, far away from the water suction pump 330, of the water outlet pipe 340 is communicated with the feed inlet 120 of the wood chip washing machine 100 and used for supplying water to the wood chip washing machine 100.

The water outlet pipe 340 is also communicated with a branch pipe 341, and one end of the branch pipe 341, which is far away from the water outlet pipe 340, is communicated with one end of the machine body of the wood chip washing machine 100, which is close to the slag discharge port 130, so as to reduce the situation that raw materials enter the slag discharge port 130 and supplement water into the wood chip washing machine 100.

The lateral wall of the pool body 321 close to the pool opening is provided with a baffle 360, and the baffle 360 is provided with a through hole 363 for the water inlet pipe 310 to pass through, so that the baffle 360 is slidably sleeved with the water inlet pipe 310, and the sliding direction is the axial direction of the water inlet pipe 310.

Cell body 321 has seted up on being close to its pond mouth's the lateral wall and has slided groove 323, and the orientation of seting up of sliding groove 323 is the axial of inlet tube 310, and the welding has slide bar 361 on baffle 360, and slide bar 361 slides with sliding groove 323 and is connected to realize that the sliding of baffle 360 and cell body 321 is connected. The baffle 360 is connected to the sidewall of the tank 321 near the tank opening to control the opening and closing of the tank opening.

The sliding rod 361 is provided with a plurality of clamping grooves 362, the side wall of the tank body 321 close to the tank opening is horizontally provided with a sliding groove 324, and the sliding groove 324 is arranged along the direction close to or far away from the sliding rod 361 and is communicated with the sliding groove 323. A clamping block 325 is slidably connected in the sliding groove 324, and the clamping block 325 can be clamped with any one clamping groove 362 to lock the sliding distance of the sliding rod 361.

The implementation principle of the washing and dewatering device for the raw materials for the paper mill in the embodiment of the application is as follows: the worker firstly slides the clamping block 325 to separate from the clamping groove 362, and slides the baffle 360 to abut against the side wall of the tank body 321 close to the tank opening so as to close the tank opening of the tank body 321.

Starting the wood chip washing machine 100, the raw material and the sewage after the cleaning of the wood chip washing machine 100 fall from the discharge port 110 and then enter the dewatering tank 200 from the liquid inlet 210, starting the driving motor 240 to drive the conveying shaft 230 to rotate, and driving the spiral blade 231 on the conveying shaft 230 to rotate, so as to drive the raw material to move to the discharge port 220 of the dewatering tank 200, and the raw material falls out from the discharge port 220 and is collected.

The sewage flows out from the water filtering holes 250 under the action of gravity, enters a sewage area in the filtering tank 320 through the water inlet pipe 310 through the tapered pipe 260, enters a clean water area after being filtered by the filtering membrane 322, is pumped out by the water pump 330 to enter the water outlet pipe 340, enters the feeding hole 120 of the wood chip washing machine 100 to clean new raw materials, and enters the machine body through the branch pipe 341 to exert certain thrust on the raw materials of the machine body close to the slag discharge hole 130, so that the raw materials are continuously cleaned under the action of the wood chip washing machine 100. The raw materials are washed and dehydrated continuously according to the circulation, and water resources are recycled.

After the device operated for a period of time, along the axial of inlet tube 310 baffle 360 that slides to open the pond mouth, when sliding to suitable sliding distance, the fixture block 325 that slides made the fixture block 325 and the draw-in groove 362 joint that corresponds on the pole 361 that slides, the position of lockable baffle 360, the staff can change filtration membrane 322 in the cell body 321.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A washing and dewatering device for paper mill raw material, comprising a wood chip washing machine (100), characterized in that: the wood chip washing machine is characterized by further comprising a dewatering tank (200) and a water circulation mechanism (300), wherein a liquid inlet (210) and a feed opening (220) are formed in the dewatering tank (200), a conveying shaft (230) is connected in the dewatering tank (200) in a rotating mode, a spiral blade (231) is arranged on the conveying shaft (230), a driving piece used for driving the conveying shaft (230) to rotate is arranged on the dewatering tank (200), the dewatering tank (200) is obliquely arranged, the liquid inlet (210) of the dewatering tank (200) is lower than the feed opening (220), the liquid inlet (210) of the dewatering tank (200) is communicated with a discharge opening (110) of the wood chip washing machine (100), a plurality of water filtering holes (250) are formed in one side, close to the ground, of the dewatering tank (200), and the water circulation mechanism (300) comprises a water inlet pipe (310), a filtering tank (320), a water suction pump (330) and a water outlet pipe (340) which are sequentially communicated, one end, far away from the filter tank (320), of the water inlet pipe (310) is communicated with the water filtering hole (250), and one end, far away from the water suction pump (330), of the water outlet pipe (340) is communicated with the feed inlet (120) of the wood chip washing machine (100).

2. The washing and dewatering device for a stock for a paper mill as recited in claim 1, further comprising: the water outlet pipe (340) is communicated with a branch pipe (341), and one end of the branch pipe (341) far away from the water outlet pipe (340) is communicated with one end of the machine body of the wood chip washing machine (100) close to the slag discharge port (130).

3. The washing and dewatering device for a stock for a paper mill according to claim 2, characterized in that: the two conveying shafts (230) rotate oppositely, the spiral directions of the spiral blades (231) on the two conveying shafts (230) are opposite and are distributed in a staggered coupling mode, the driving piece is a driving motor (240), the two driving motors (240) are arranged and correspond to the conveying shafts (230) one by one, and the driving motor (240) is arranged on the outer wall of the dewatering tank (200) and is in coaxial transmission connection with the corresponding conveying shafts (230).

4. A washing and dewatering device for a stock for a paper mill as claimed in claim 3, characterized in that: the water filtering hole (250) is arranged at one end of the dewatering tank (200) far away from the feed opening (220).

5. The washing and dewatering device for a paper mill stock according to claim 4, characterized in that: filtering ponds (320) include cell body (321) and filtration membrane (322), filtration membrane (322) can be dismantled with the inside lateral wall of cell body (321) and be connected, filtration membrane (322) divide into sewage district and clear water district with cell body (321), inlet tube (310) and sewage district intercommunication, the clear water district passes through connecting pipe (350) and suction pump (330) intercommunication.

6. The washing and dewatering device for a paper mill stock according to claim 5, characterized in that: the outer wall of the dewatering tank (200) close to the water filtering holes (250) is provided with a conical pipe (260), one end opening of the conical pipe (260) close to the dewatering tank (200) is larger than the other end, and one end of the conical pipe (260) far away from the dewatering tank (200) is communicated with a water inlet pipe (310).

7. The washing and dewatering device for a paper mill stock according to claim 6, characterized in that: the side wall of the pool body (321) close to the pool opening is provided with a baffle (360) used for controlling the opening and closing of the pool opening, and the baffle (360) is sleeved with the water inlet pipe (310) in a sliding manner.

8. The washing and dewatering device for a paper mill stock according to claim 7, characterized in that: the side wall of the tank body (321) is provided with a sliding groove (323), the opening direction of the sliding groove (323) is the axial direction of the water inlet pipe (310), the baffle (360) is provided with a sliding rod (361), and the sliding rod (361) is connected with the sliding groove (323) in a sliding manner.

9. The washing and dewatering device for a paper mill stock according to claim 8, characterized in that: a clamping groove (362) is formed in the sliding rod (361), a clamping block (325) is horizontally connected to the side wall, close to the tank opening, of the tank body (321) in a sliding mode, and the clamping block (325) can be clamped with the clamping groove (362).

10. The washing and dewatering device for a stock for a paper mill as recited in claim 9, further comprising: a plurality of clamping grooves (362) are formed in the length direction of the sliding rod (361), and the clamping block (325) can be clamped with any one clamping groove (362).