CN215828609U

CN215828609U - Filter press

Info

Publication number: CN215828609U
Application number: CN202122543209.0U
Authority: CN
Inventors: 唐昀; 林伟国; 唐育民
Original assignee: Zhoushan Xinzhou Fishmeal Machinery Co ltd
Current assignee: Zhoushan Xinzhou Fishmeal Machinery Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-02-15
Anticipated expiration: 2031-10-21

Abstract

The utility model belongs to the technical field of machinery, and relates to a filter press, which solves the problems of low dehydration and drying efficiency and the like of the conventional filter press. This pressure filter includes the frame, is provided with in the frame and folds the spiral shell body, and the both ends of folding the spiral shell body are provided with inlet pipe and discharging pipe respectively, and it has a plurality of to fold the spiral shell ring piece to distribute between inlet pipe and the discharging pipe, folds this internal feeding screw rod that still is provided with of spiral shell, and the one end of feeding screw rod extends to inlet pipe department, and the other end of feeding screw rod passes and folds the spiral ring piece and be close to the discharging pipe, and the inlet pipe is connected with defeated mud pump, and discharging pipe department is provided with the pressure valve. Because the stack-screw body is additionally arranged in the filter press, compared with the traditional filter press, the filter press has higher dehydration efficiency; compare with the traditional spiral shell machine that folds that relies on gravity to need the slope to set up, owing to add defeated mud pump for fold spiral shell body inner chamber and have certain pressure, improve dehydration efficiency, and installation angle is unrestricted.

Description

Filter press

Technical Field

The utility model belongs to the technical field of machinery, and relates to a filter press.

Background

Along with the increasing discharge of urban industrial wastewater and domestic sewage, the urban sewage treatment rate is also improved year by year, the sludge yield of the urban sewage treatment plant is also increased sharply, the sewage treatment plant needs to discharge a large amount of excess sludge, the huge amount of sludge needs to be further treated, and secondary pollution is caused if the sludge cannot be reasonably treated. The sewage sludge is complex in composition and contains a large amount of useful resources besides a large amount of water. At present, various municipal sludge treatment methods are adopted, such as landfill, incineration and comprehensive utilization, but before resource utilization, sludge needs to be pretreated and conditioned, including concentration, dehydration and drying. The dried sludge can be applied to land improvement, building material utilization and the like, and the landfill requires that the water content of the sludge is less than 60 percent, so how to reduce the water content of the sludge is an important task of sludge treatment.

In the prior art, a filter press and a screw stacking machine are generally adopted to dehydrate and dry sludge.

Chinese patent CN204434450U discloses a diaphragm type plate-and-frame sludge filter press, which is provided with a diaphragm type plate-and-frame, wherein the outside of the diaphragm type plate-and-frame is wrapped with filter cloth, the inner cavity of the diaphragm type plate-and-frame is connected with an air compressor through an air branch pipe, and a pressure adjusting device is arranged on a header pipe between the air branch pipe and the air compressor; the diaphragm type sheet frame comprises sheet frame body and sheet frame diaphragm, and is provided with the discharge apparatus mounting hole in the top of diaphragm type sheet frame, is provided with the inlet port in the one end of diaphragm type sheet frame top, is provided with the filtrating discharge hole at the both ends of diaphragm type sheet frame lower part.

However, the dehydration of the filter press can not be continuously operated, and the dehydration drying efficiency is low.

Chinese patent CN213085800U discloses a screw folding machine for sewage treatment, which comprises a screw folding machine body and an ozone generator, wherein the screw folding machine body and the ozone generator are arranged on the left and right sides, a sewage tank is arranged between the screw folding machine body and the ozone generator, a first water pump is arranged on the left end face of the sewage tank, the first water pump pumps sewage in the sewage tank into the screw folding machine body through a first water pipe, and ozone in the ozone generator is conveyed to the sewage tank through a main water pipe; the left end face of the screw stacking machine body is provided with a heating box, the left end face of the heating box is provided with a transmission box, a screw shaft is installed in the screw stacking machine body, the screw shaft penetrates through the left end face of the screw stacking machine body and extends into the heating box, and a rotating shaft is arranged on the left end face of the screw shaft.

However, the stacking machine needs to be placed obliquely, the dewatering is realized by relying on gravity, and the drying efficiency of the stacking machine still needs to be improved.

Disclosure of Invention

The utility model provides a filter press aiming at the problems in the prior art, and the technical problems to be solved by the utility model are as follows: how to improve the drying efficiency.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a filter press, its characterized in that, the filter press includes the frame, be provided with in the frame and fold the spiral shell body, the both ends of folding the spiral shell body are provided with inlet pipe and discharging pipe respectively, it has a plurality of to fold spiral ring piece to distribute between inlet pipe and the discharging pipe, it still is provided with the feeding screw rod in the spiral shell body to fold, the one end of feeding screw rod extends to inlet pipe department, the other end of feeding screw rod passes it just is close to fold spiral ring piece the discharging pipe, the inlet pipe is connected with defeated mud pump, discharging pipe department is provided with the pressure valve.

The working principle is as follows: when the sludge stacking machine operates, the sludge conveying pump and the feeding screw rod are opened, the sludge conveying pump conveys sludge into the stacking screw body, the feeding screw rod conveys the sludge towards the direction of the discharge pipe through rotation, partial stacking screw ring sheets move relatively in the process, water in the sludge can be filtered out from gaps of the stacking screw ring sheets, and dehydration is realized; when the sludge is close to the discharge pipe, the pressure valve is designed, the sludge conveying pump applies certain pressure to the sludge, water in the sludge can be further squeezed, when the pressure value sensed by the pressure valve reaches a preset value, the pressure valve is opened, and the dried sludge cake is sent out from the discharge pipe. Because the stack-screw body is additionally arranged in the filter press, compared with the traditional filter press, the filter press has higher dehydration efficiency; compare with the traditional spiral shell machine that folds that relies on gravity to need the slope to set up, owing to add defeated mud pump for fold spiral shell body inner chamber and have certain pressure, improve dehydration efficiency, and installation angle is unrestricted.

In the filter press, the frame is provided with a water storage cabin and a material storage cabin, the water storage cabin is located below the overlapping spiral body, and the material storage cabin is located below the discharge pipe. Sewage filtered from the stacked spiral ring sheets can be collected in the water storage cabin; the dewatered and dried mud cake can fall into the storage cabin from the discharge pipe.

In the above filter press, the spiral ring stacking piece includes a fixed ring piece and a movable ring piece which can move relatively, and the pitch of the feeding screw is gradually reduced along the direction from feeding to discharging. The feeding screw rotates, the floating ring piece on the periphery of the feeding screw can move relative to the fixed ring piece, and water in sludge is filtered out from a gap between the floating ring piece and the fixed ring piece under the action of pressure; along with the pay-off screw rod constantly rotates, mud constantly removes towards the discharge tube direction, because the pitch of pay-off screw rod diminishes gradually, consequently, the volume in spiral chamber constantly contracts, folds the internal pressure of spiral body and strengthens gradually, and the water pressurized discharge in the mud realizes the dehydration.

In the filter press, the feeding end of the frame is provided with the motor, and the motor is connected with one end of the feeding screw rod through the reduction gearbox. The motor drives the feeding screw rod to rotate through the reduction gearbox, so that feeding is realized.

In the filter press, the feeding pipe is arranged in the vertical direction and is positioned right above one end of the feeding screw rod, the discharging pipe comprises a horizontal pipe section and a bent pipe section, the horizontal pipe section is close to the other end of the feeding screw rod and is coaxially arranged with the other end of the feeding screw rod, one end of the bent pipe section is connected with the horizontal pipe section, and the other end of the bent pipe section is arranged in the vertical direction. Sludge enters the feeding pipe from the upper part and is conveyed to the storage cabin from the horizontal pipe section and the bent pipe section in sequence under the conveying of the feeding screw rod.

In the filter press according to the utility model, the pipe bend is provided with a pipe connection which can be connected to a hose which can be connected to a water pump. After the pipe joint and the hose are designed, when the stacked spiral body needs to be cleaned, clean water can be input from the feeding pipe, so that a feeding screw, a stacked spiral ring piece, a discharging pipe and the like are cleaned, and the water flowing out can flow to a fixed place through the hose and can also directly flow into the storage cabin; also can design the water pump on the hose, clean water gets into from hose, bend section, horizontal pipe section and folds the spiral shell body in, washs feeding screw rod etc. owing to horizontal pipe section and the coaxial design of feeding screw rod, therefore rivers can directly wash the blade on the feeding screw rod, and the effect is better.

Compared with the prior art, the utility model has the following advantages:

1. because the stack-screw body is additionally arranged in the filter press, compared with the traditional filter press, the filter press has higher dehydration efficiency; compare with the traditional spiral shell machine that folds that relies on gravity to need the slope to set up, owing to add defeated mud pump for fold spiral shell body inner chamber and have certain pressure, improve dehydration efficiency, and installation angle is unrestricted.

Drawings

FIG. 1 is a schematic view showing the structure of the filter press according to the embodiment.

Figure 2 is a bottom view of the filter press of the example.

Figure 3 is a right side view of the filter press of the embodiment.

Figure 4 is a schematic diagram of the filter press of the present embodiment.

In the figure, 1, a frame; 2. a stack body; 3. a feed pipe; 4. a discharge pipe; 5. stacking the spiral ring sheets; 6. a feed screw; 7. a mud pump; 8. a pressure valve; 9. a water storage compartment; 10. a storage compartment; 11. a motor; 12. a reduction gearbox; 13. a transverse pipe section; 14. bending the pipe section; 15. a pipe joint.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

As shown in fig. 1, 2, 3 and 4, the filter press comprises a frame 1, a stacking screw body 2 is arranged on the frame 1, a feed pipe 3 and a discharge pipe 4 are respectively arranged at two ends of the stacking screw body 2, a plurality of stacking screw rings 5 are distributed between the feed pipe 3 and the discharge pipe 4, each stacking screw ring 5 comprises a fixed ring and a movable ring which can move relatively, and the screw pitch of a feed screw 6 is gradually reduced along the direction from feeding to discharging.

As shown in fig. 1, 2, 3 and 4, a feeding screw 6 is further arranged in the spiral stacking body 2, one end of the feeding screw 6 extends to the feeding pipe 3, the other end of the feeding screw 6 penetrates through the spiral stacking ring 5 and is close to the discharging pipe 4, a motor 11 is arranged at the feeding end of the machine frame 1, and the motor 11 is connected with one end of the feeding screw 6 through a reduction box 12.

As shown in fig. 1 and 4, the feeding pipe 3 is connected with a mud pump 7, and the discharging pipe 4 is provided with a pressure valve 8.

Preferably, the feeding pipe 3 is arranged along the vertical direction and is positioned right above one end of the feeding screw 6, the discharging pipe 4 comprises a horizontal pipe section 13 and a bent pipe section 14, the horizontal pipe section 13 is close to the other end of the feeding screw 6 and is coaxially arranged with the other end of the feeding screw 6, one end of the bent pipe section 14 is connected with the horizontal pipe section 13, and the other end of the bent pipe section 14 is arranged along the vertical direction.

The pipe bend 14 is provided with a pipe connection 15, which pipe connection 15 can be connected to a hose, which can be connected to a water pump.

Preferably, the rack 1 is provided with a water storage cabin 9 and a material storage cabin 10, the water storage cabin 9 is positioned below the snail stacking body 2, and the material storage cabin 10 is positioned below the material discharge pipe 4. The sewage filtered from the laminated ring sheet 5 can be collected in the water storage cabin 9; the dewatered and dried mud cake can fall into the storage cabin 10 from the discharge pipe 4.

The working principle of the utility model is as follows: the sludge conveying pump 7 and the feeding screw 6 are opened, the sludge conveying pump 7 conveys sludge into the stacked spiral body 2, the feeding screw 6 conveys the sludge towards the discharge pipe 4 through rotation, the floating ring piece on the periphery of the feeding screw 6 can move relative to the fixed ring piece, and water in the sludge is filtered out from a gap between the floating ring piece and the fixed ring piece under the action of pressure; along with pay-off screw 6 constantly rotates, mud constantly moves towards discharging pipe 4 direction, because the pitch of pay-off screw 6 diminishes gradually, consequently, the volume in spiral chamber constantly contracts, folds the internal pressure of spiral body 2 and strengthens gradually, and the water pressurized discharge in the mud realizes the dehydration, treats that pressure valve 8 senses when reaching the predetermined value, opens pressure valve 8, and mud cake after the drying is seen off from discharging pipe 4. When the stacked spiral body 2 needs to be cleaned, clean water can be input from the feeding pipe 3, so that the feeding screw 6, the stacked spiral ring piece 5, the discharging pipe 4 and the like are cleaned, and the effluent water can flow to a fixed place through the hose and can also directly flow into the storage cabin 10; the water pump can be designed on the hose, clean water enters the laminated spiral body 2 from the hose, the bent pipe section 14 and the horizontal pipe section 13 to clean the feeding screw 6 and the like, and the horizontal pipe section 13 and the feeding screw 6 are coaxially designed, so that water flow can directly wash blades on the feeding screw 6, and the effect is better.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. The utility model provides a filter press, its characterized in that, the filter press includes frame (1), be provided with in frame (1) and fold spiral shell body (2), the both ends of folding spiral shell body (2) are provided with inlet pipe (3) and discharging pipe (4) respectively, it has a plurality of to fold spiral shell ring piece (5) to distribute between inlet pipe (3) and discharging pipe (4), still be provided with in folding spiral shell body (2) feeding screw (6), the one end of feeding screw (6) extends to inlet pipe (3) department, the other end of feeding screw (6) passes fold spiral shell ring piece (5) and be close to discharging pipe (4), inlet pipe (3) are connected with defeated mud pump (7), discharging pipe (4) department is provided with pressure valve (8).

2. The filter press according to claim 1, characterized in that a water storage compartment (9) and a material storage compartment (10) are arranged on the frame (1), the water storage compartment (9) is located below the spiral body (2), and the material storage compartment (10) is located below the discharge pipe (4).

3. The filter press according to claim 1, characterized in that the spiral ring stack (5) comprises a fixed ring and a movable ring which can move relatively, and the pitch of the feeding screw (6) is gradually reduced along the direction from feeding to discharging.

4. The filter press according to claim 1, 2 or 3, characterized in that the feeding end of the frame (1) is provided with a motor (11), and the motor (11) is connected with one end of the feeding screw (6) through a reduction box (12).

5. Filter press according to claim 1, 2 or 3, wherein the feed pipe (3) is arranged in a vertical direction and is located directly above one end of the feed screw (6), the discharge pipe (4) comprises a transverse pipe section (13) and a bent pipe section (14), the transverse pipe section (13) is arranged close to the other end of the feed screw (6) and coaxially with the other end of the feed screw, one end of the bent pipe section (14) is connected with the transverse pipe section (13), and the other end of the bent pipe section (14) is arranged in a vertical direction.

6. Filter press according to claim 5, characterised in that the pipe bend (14) is provided with a pipe connection (15), which pipe connection (15) can be connected with a hose, which can be connected with a water pump.