High-pressure water driving type waste slurry filter pressing device

Abstract

The utility model relates to a high-pressure water driving type waste slurry filter pressing device which is characterized in that a thrust plate is fixed at one end of a slide rail, an extrusion plate is arranged on the slide rail in a sliding manner, a driving pull plate two-in-one device is fixed at one end of a rack opposite to the thrust plate, and the output end of the driving pull plate two-in-one device is fixedly connected with the extrusion plate; a plurality of groups of filter chambers are arranged between the thrust plate and the extrusion plate, and a material conveying through hole is formed in the thrust plate and is communicated with the feeding pipe. The filter has the beneficial effects that the two filter plates are respectively provided with the grooves and the raised lines which are made of rubber, and the raised lines can be embedded into the grooves after the filter plates are spliced, so that the sealing performance of a cavity is enhanced; the expandable high-pressure water hose is arranged in the hollow interior of the filter plate body, so that the extrusion effect on waste slurry can be enhanced by filling high-pressure water; the arrangement of the expandable high-pressure water hose in the filter plate can enhance the extrusion force in the waste slurry filter pressing process and improve the filter pressing effect, so that the performance and efficiency of the waste slurry filter pressing device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of environmentally friendly treatment of waste mud, and in particular comprises a high-pressure water driven waste mud filter press device. Background Art

[0002] Due to the influence of surrounding buildings, city center projects often have small construction sites and difficult material and equipment turnover. A large amount of mud will be generated during pile construction, subway tunnel construction, drilling construction, etc. The recovery and sedimentation of the mud pool alone is not enough to handle all the mud. The overflow will not only affect the image of civilized construction, but also the waste mud cannot be discharged directly, polluting the environment. Mud treatment has always been a major problem in engineering construction, and the selection of suitable mud treatment equipment has become the key. Among them, the advantage of the plate and frame mud filter press is that it does not occupy a large area, can completely separate solids and liquids, continuously discharge slag, and is not constrained by time.

[0003] Plate and frame filter press refers to a liquid pressurizing and filtering and concentrating equipment that can be intermittently operated manually. It is composed of a group of closed filter chambers formed by side-by-side filter plates. The working principle of the filter press is to first press the mud into the sealed filter chamber through the pressure difference formed by the pressurizing equipment, and then form an internal and external pressure difference by squeezing the mud, so that the mud is filtered through the filter screen, leaving solid particulate matter, thereby achieving solid-liquid separation. The plate and frame filter press is suitable for realizing the automatic separation of solids and liquids between various viscous suspensions. It is a relatively new, energy-saving, automatically controlled, and efficiently operated new type of mud separation and filtration equipment. It can automatically separate solids and water, and is often used in the environmental protection treatment process of waste mud. The filtered clean water can be directly discharged into the clean water pool for secondary use. The remaining filter residue can be piled on site or transported out of the site for landfill.

[0004] However, the filter unit of the existing filter press has a simple structure, which is simply composed of a plurality of filter chambers arranged closely together, and the slurry squeezing efficiency and discharge efficiency are relatively low. Utility Model Content

[0005] The utility model aims to overcome the deficiencies in the prior art and provide a high-pressure water driven waste mud filter press device.

[0006] The high-pressure water-driven waste mud filter press device comprises a frame, a feed pipe, a thrust plate, a filter plate, an extrusion plate, a cable chain and a two-in-one device of a driving pull plate; the frame comprises a slide rail, the thrust plate is fixed at one end of the slide rail, the extrusion plate is slidably arranged on the slide rail, the two-in-one device of the driving pull plate is fixed on the frame at one end opposite to the thrust plate, the output end of the two-in-one device of the driving pull plate is fixedly connected to the extrusion plate, a plurality of groups of filter chambers are arranged between the thrust plate and the extrusion plate, each group of filter chambers comprises two filter plates, a material feeding through hole is arranged on the thrust plate, and the material feeding through hole is communicated with the feed pipe;

[0007] The filter plate is also provided with a material feeding hole. Filter cloths are provided on the connecting surfaces of the two filter plates constituting the filter chamber. The material feeding hole passes between the two filter cloths to form a space for squeezing the waste mud. The side of the filter plate facing the filter cloth is hollow and provided with an expandable high-pressure water hose. The edges of the opposite surfaces of the two filter plates constituting the filter chamber are respectively provided with rectangular grooves and rectangular convex strips for sealing connection.

[0008] Preferably, the feed through holes on each filter plate are coaxially arranged with the feed through holes on the extrusion plate, and two sliding clamping arms are arranged on the left and right sides of each filter plate, and the sliding clamping arms are slidably connected to the slide rail.

[0009] Preferably, each of the expandable high-pressure water hoses has a corresponding high-pressure water interface, which is arranged on the top of the filter plate outer frame, and is connected to the expandable high-pressure water hose through a pipeline built into the filter plate, and each of the high-pressure water interfaces is connected to the high-pressure water pipe belt through a hose; the expandable high-pressure water hose expands when filled with high-pressure water, and the expandable high-pressure water hose squeezes the filter cloth in the filter plate after expansion, thereby squeezing the waste mud in the chamber.

[0010] Preferably, the expandable high-pressure water hose is made of a highly elastic rubber material; the expandable high-pressure water hose is arranged in a spiral shape in the filter plate; and each of the expandable high-pressure water hoses can be filled with high-pressure water.

[0011] Preferably, in each of the filter chambers, a rectangular groove is provided on one side of a filter plate facing the other filter plate, and a rectangular convex strip matching the rectangular groove is provided on the side of the other filter plate facing the filter plate; when the two filter plates in any filter chamber are brought close together, the rectangular convex strip is embedded in the corresponding rectangular groove, and the filter chamber is sealed; each of the rectangular convex strips and rectangular grooves is made of rubber material.

[0012] Preferably, each of the filter plates includes a frame and a plate body, the frame is fixed around the periphery of the plate body, rectangular grooves and rectangular ridges are arranged on the frame, the plate body is a hollow structure, the side of the plate body facing the inside of the filter chamber is a filter cloth, the filter cloth allows moisture in the mud to pass through and enter the internal cavity of the plate body, and a drainage hole is opened at the bottom of the frame; the side of the plate body away from the filter cloth is a closed structure, and the feed through hole passes through the internal cavity of the plate body and is not connected with it.

[0013] Preferably, a cable chain bolt plate is provided on the sliding clamp arm; two adjacent filter plates constituting the filter chamber are connected by a cable chain via the cable chain bolt plates at four corners.

[0014] Preferably, the feed pipe and each of the material delivery holes together constitute a material channel, and an air inlet interface is provided on the extrusion plate, and the air inlet interface is used to connect compressed gas to back-blow the material channel.

[0015] Preferably, the two-in-one driving and pulling plate device is provided with a displacement sensor and a force sensor to prevent deformation of the filter plates due to excessive pressure between the filter plates during extrusion or damage to the chains connecting the filter plates due to excessive tension during unloading.

[0016] The beneficial effects of the utility model are:

[0017] 1) The waste slurry filter press device provided by the utility model has a filter chamber composed of two filter plates spliced ​​together, and the two filter plates are respectively provided with rubber grooves and convex strips. After splicing, the convex strips will be embedded in the grooves to enhance the sealing of the chamber.

[0018] 2) The utility model arranges an expandable high-pressure water belt inside the hollow part of the filter plate body, and can enhance the squeezing effect on the waste mud by filling it with high-pressure water; it can more effectively separate the solid particles and water in the mud, effectively reduce the water content in the mud, and realize the dehydration of the mud, thereby reducing pollution to the environment and facilitating subsequent treatment or recycling; the arrangement of the expandable high-pressure water belt inside the filter plate can enhance the squeezing force during the waste mud filtration process, improve the filtration effect, and thus improve the performance and efficiency of the waste mud filtration device.

[0019] 3) The utility model realizes recovery and retraction by driving the two-in-one pull plate device, thereby providing unloading space for the filter cake and improving unloading efficiency; adjacent filter plates are connected by four rope chains, so that the entire filtration process can be basically realized by controlling the two-in-one pull plate device, reducing manual operations and improving filtration efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is the structural diagram of the waste mud filter press device;

[0021] Figure 2 This is the structural diagram of the waste mud filter press device;

[0022] Figure 3 It is a side cross-sectional view of two filter plates constituting a filter chamber in a waste mud filter press device;

[0023] Figure 4 A cross-sectional view of a filter plate having a rectangular groove in a frame;

[0024] Figure 5 A cross-sectional view of a filter plate having a frame with rectangular convex strips;

[0025] Figure 6 This is a diagram showing how to use the waste sludge filter press device.

[0026] Explanation of the accompanying drawings: 1. Frame; 2. Feed pipe; 3. Drive pull plate two-in-one device; 4. Extrusion plate; 5. Filter plate; 6. Thrust plate; 7. Slide rail; 8. Chain bolt plate; 9. High-pressure water interface; 10. Feed through hole; 11. Filter cloth; 12. Expandable high-pressure water hose; 13. Drain hole; 14. Rectangular convex strip; 15. Frame; 16. Plate body; 17. Rectangular groove; 18. Sliding clamp arm. DETAILED DESCRIPTION

[0027] The utility model is further described below in conjunction with the embodiments. The description of the following embodiments is only used to help understand the utility model. It should be pointed out that for ordinary people in this technical field, the utility model can also be modified in some ways without departing from the principle of the utility model, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

[0028] As an example, Figures 1 to 6 As shown, this high-pressure water-driven waste mud filter press device includes a frame 1, a feed pipe 2, a thrust plate 6, a filter plate 5, an extrusion plate 4, a cable chain, and a driving pull plate two-in-one device 3. The frame 1 includes a slide rail 7, the thrust plate 6 is fixed at one end of the slide rail 7, the extrusion plate 4 is arranged at the other end of the slide rail 7, the output end of the driving pull plate two-in-one device 3 is fixedly connected to the extrusion plate 4, a plurality of filter chambers are arranged between the thrust plate 6 and the extrusion plate 4, the driving pull plate two-in-one device 3 is used to drive the extrusion plate 4 to slide along the slide rail 7 to squeeze and release the filter plate 5, and the thrust plate 6 is provided with a feeding through hole 10, and the feeding through hole 10 can be connected to the feed pipe 2;

[0029] Each of the filter chambers is a closed chamber formed by sealing and connecting two filter plates 5. Each of the filter plates 5 is provided with a feed through hole 10. The feed through holes 10 on each of the filter plates 5 are coaxially arranged with the feed through holes 10 on the extrusion plate 4. Filter cloths 11 are provided on the connecting surfaces of the two filter plates 5 that constitute the filter chamber. The feed through holes 10 pass between the two filter cloths 11 to form a space for extruding the waste mud.

[0030] The left and right sides of each filter plate 5 are provided with sliding clamp arms 18, which are slidably connected to the slide rail 7. The inner hollow part of each filter plate 5 is provided with an expandable high-pressure water hose 12. The side of the filter plate 5 facing the filter cloth 11 is hollow and provided with an expandable high-pressure water hose 12; the edges of the opposite sides of the two filter plates 5 constituting the filter chamber are respectively provided with rectangular grooves 17 and rectangular convex strips 14 for sealing connection.

[0031] The expandable high-pressure water hose 12 can be expanded by filling it with high-pressure water and restored by discharging high-pressure water. After expansion, the expandable high-pressure water hose 12 can squeeze the filter cloth 11 in the filter plate 5, thereby squeezing the waste mud in the chamber.

[0032] The expandable high-pressure water hose 12 is preferably made of high-elastic rubber material; the expandable high-pressure water hose 12 is arranged in a spiral shape on the filter plate 5; each of the expandable high-pressure water hoses 12 can be filled with high-pressure water.

[0033] Each of the inflatable high-pressure water hoses 12 has a corresponding high-pressure water interface 9, which is arranged on the top of the outer frame of the filter plate 5. The high-pressure water interface 9 is connected to the inflatable high-pressure water hose 12 through a pipeline built into the filter plate 5, and each of the high-pressure water interfaces 9 is connected to the high-pressure water pipe belt 12 through a hose.

[0034] In each of the filter chambers, a rectangular groove 17 is provided on one side of a filter plate 5 facing the other filter plate 5, and a matching rectangular convex strip 14 is provided on one side of the other filter plate 5 facing the filter plate 5. When the two filter plates 5 in any filter chamber are brought close together, sealing is achieved by embedding the rectangular convex strip 14 into the corresponding rectangular groove 17.

[0035] Each of the rectangular convex strips 16 and the rectangular concave grooves 17 is made of rubber material.

[0036] Each of the filter plates 5 includes a frame 15 and a plate body 16. The frame 15 is fixed around the periphery of the plate body 16. A rectangular groove 17 or a rectangular convex strip 14 is arranged on the frame 15. The plate body 16 is a hollow structure. The plate body 16 has a filter cloth 11 on one side facing the inside of the filter chamber. The filter cloth 11 allows moisture in the mud to pass through and enter the internal cavity of the plate body 16, and be discharged from the filter plate through the drainage hole 13 opened at the lower part of the frame; the side of the plate body 16 away from the filter cloth 11 is a closed structure, and the feed through hole 10 passes through the internal cavity of the plate body 16 and is not connected thereto.

[0037] The sliding clamp arm 18 is provided with a chain bolt plate 8; two adjacent filter plates 5 are connected by a chain through the chain bolt plates 8 on the four corners, so that in the subsequent unloading process, the two-in-one pulling plate device 3 is driven to pull the extrusion plate 4 and drive each filter plate 5 to loosen it in turn through the chain.

[0038] The feed pipe 2 and the material delivery holes 10 together form a material channel. The extrusion plate 4 is provided with an air inlet interface, and the air inlet interface is used to connect compressed gas to back-blow the material channel.

[0039] The two-in-one driving plate pulling device 3 is provided with a displacement sensor and a force sensor to prevent the filter plates 5 from being deformed due to excessive pressure between the filter plates 5 during the extrusion process, and to prevent the chain connecting the filter plates 5 from being damaged due to excessive pulling force during the unloading process.

[0040] Before feeding the material through the feeding pipe 2, first ensure that the two filter plates 5 of each filter chamber are sealed and connected to form a closed chamber, and then feed the closed chambers in turn through the feeding pipe 2. After the waste mud fills the closed chambers of each filter chamber, start the driving plate two-in-one device 3 to push the squeezing plate 4 to squeeze the filter plate 5, forcing the water in the waste mud to be squeezed and then pass through the filter cloth 11 set on the filter plate 5 into the hollow interior of the filter plate 5 and then discharge the filter plate through the drainage hole 13; after the filter pressure reaches the basic effect, high-pressure water is filled into the expandable high-pressure water hose 12 to make The high-pressure water hose 12 is expanded, contacts and squeezes the filter cloth 11 and then squeezes the waste mud, further squeezes the waste mud and strengthens the filter pressing effect; after the filter pressing is completed, the high-pressure water is pumped out to retract the expanded high-pressure water hose 12, so as to free up a certain unloading space for the filter cake; the driving plate pulling two-in-one device 3 is started again to pull back the squeezing plate 4, and the squeezing plate 4 will drive each filter plate 5 in turn through the chain to pull each filter plate 5 apart. At this time, high-pressure water can be filled into the expandable high-pressure water hose 12 again, so as to squeeze the filter cake and make it fall, thereby improving the unloading efficiency.

Claims

1. A high-pressure water driven waste mud filter press device, characterized in that: It comprises a frame, a feed pipe, a thrust plate, a filter plate, an extrusion plate, a cable chain and a two-in-one device for driving a pull plate; the frame comprises a slide rail, the thrust plate is fixed at one end of the slide rail, the extrusion plate is slidably arranged on the slide rail, the two-in-one device for driving a pull plate is fixed on the frame at one end opposite to the thrust plate, the output end of the two-in-one device for driving a pull plate is fixedly connected to the extrusion plate, a plurality of groups of filter chambers are arranged between the thrust plate and the extrusion plate, each group of filter chambers comprises two filter plates, a material feeding through hole is arranged on the thrust plate, and the material feeding through hole is communicated with the feed pipe; The filter plate is also provided with a material feeding hole. Filter cloths are provided on the connecting surfaces of the two filter plates constituting the filter chamber. The material feeding hole passes between the two filter cloths to form a space for squeezing the waste mud. The side of the filter plate facing the filter cloth is hollow and provided with an expandable high-pressure water hose. The edges of the opposite surfaces of the two filter plates constituting the filter chamber are respectively provided with rectangular grooves and rectangular convex strips for sealing connection.

2. The high-pressure water-driven waste slurry filter press device according to claim 1 is characterized in that: The material feeding through holes on each of the filter plates are coaxially arranged with the material feeding through holes on the extrusion plate. Two sliding clamping arms are arranged on the left and right sides of each of the filter plates. The sliding clamping arms are slidably connected to the slide rails.

3. The high-pressure water driven waste mud filter press device according to claim 2 is characterized in that: Each of the expandable high-pressure water hoses has a corresponding high-pressure water interface, which is arranged on the top of the filter plate outer frame. The high-pressure water interface is connected to the expandable high-pressure water hose through a pipeline built into the filter plate, and each of the high-pressure water interfaces is connected to the high-pressure water pipe belt through a hose; the expandable high-pressure water hose expands when filled with high-pressure water, and the expandable high-pressure water hose squeezes the filter cloth in the filter plate after expansion, thereby squeezing the waste mud in the chamber.

4. The high-pressure water-driven waste mud filter press device according to claim 1, characterized in that: The expandable high-pressure water hose is made of a highly elastic rubber material; the expandable high-pressure water hose is arranged in a spiral shape in the filter plate; each of the expandable high-pressure water hoses can be filled with high-pressure water.

5. The high-pressure water driven waste mud filter press device according to claim 1 is characterized in that: In each of the filter chambers, a rectangular groove is provided on one side of a filter plate facing the other filter plate, and a rectangular convex strip matching the rectangular groove is provided on the other side of the other filter plate facing the filter plate. When the two filter plates in any filter chamber are brought close to each other, the rectangular convex strip is embedded in the corresponding rectangular groove, and the filter chamber is sealed; each of the rectangular convex strips and rectangular grooves is made of rubber material.

6. The high-pressure water driven waste mud filter press device according to claim 1, characterized in that: Each of the filter plates includes a frame and a plate body. The frame is fixed around the periphery of the plate body. Rectangular grooves and rectangular convex strips are arranged on the frame. The plate body is a hollow structure. The side of the plate body facing the inside of the filter chamber is a filter cloth. The filter cloth allows moisture in the mud to pass through and enter the internal cavity of the plate body. A drainage hole is opened at the bottom of the frame. The side of the plate body away from the filter cloth is a closed structure. The feed through hole passes through the internal cavity of the plate body and is not connected with it.

7. The high-pressure water driven waste mud filter press device according to claim 2, characterized in that: The sliding clamp arm is provided with a cable chain bolt plate; two adjacent filter plates constituting the filter chamber are connected by a cable chain through the cable chain bolt plates at four corners.

8. The high-pressure water-driven waste slurry filter press device according to claim 1, characterized in that: The feed pipe and each of the material delivery holes together form a material channel. The extrusion plate is provided with an air inlet interface, and the air inlet interface is used to connect compressed gas to back-blow the material channel.

9. The high-pressure water-driven waste slurry filter press device according to claim 7, characterized in that: The two-in-one driving and pulling plate device is provided with a displacement sensor and a force sensor, which are used to prevent the filter plates from being deformed due to excessive pressure between the filter plates during extrusion or from being damaged by excessive tension during unloading.

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