CN211133111U - Pressure filter equipment - Google Patents
Pressure filter equipment Download PDFInfo
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- CN211133111U CN211133111U CN201921749062.7U CN201921749062U CN211133111U CN 211133111 U CN211133111 U CN 211133111U CN 201921749062 U CN201921749062 U CN 201921749062U CN 211133111 U CN211133111 U CN 211133111U
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Abstract
The filter press equipment comprises a hydraulic mechanism, a filtering mechanism, a pressurizing mechanism and a rack, wherein the hydraulic mechanism, the filtering mechanism and the pressurizing mechanism are arranged on the rack; the hydraulic mechanism comprises a main hydraulic pump, a main hydraulic cylinder, an auxiliary hydraulic pump and an auxiliary hydraulic cylinder; the main hydraulic pump is connected with the main hydraulic cylinder and arranged on the left side of the frame, and the auxiliary hydraulic pump is connected with the auxiliary hydraulic cylinder and arranged on the right side of the frame. Pressure filter equipment, simple structure, with low costs, stability is good, the flexibility is high, can accomplish fluid filling stage, pressure filtration stage, drainage stage, unload this a series of work of cake automatically, application prospect is extensive.
Description
Technical Field
The utility model relates to a pressure filter technical field, concretely relates to pressure filter equipment.
Background
Filtration and separation are one of indispensable scientific technologies in modern industrial field and emerging scientific and technological field, and in many production processes, filtration and separation equipment are very critical, and improving the technical level thereof is an important guarantee for improving the modernization of industrial production, the advancement of technological process, improving the product quality, saving energy and reducing consumption.
The filter press is a mechanical device which applies a certain pressure to a target by utilizing a special filter medium to dialyze liquid, and is a common solid-liquid separation device. The filter press is indispensable solid-liquid separation equipment widely applied to the industries such as mining, chemical industry, food, environmental protection, medicine and the like, the production efficiency and the product quality of the industries can be effectively improved by optimizing and improving the filtering efficiency and the solid content of filter cakes, the industrial energy consumption is reduced, and the filter press has considerable economic and environmental protection values.
At present, the national and social environment protection problems of industrial production become more and more important, the requirements become more and more severe, new opportunities are provided for the development of the filter press, and higher requirements are provided for the technical level of the filter press.
The filter plate is one of the core filter elements of a filter press. The filter plate of the existing filter press has the main problem that the applied load and the boundary condition are unreasonable during the use process. In one aspect, the walls of the filter chamber in the middle region of the filter plate are subjected to pressure from the slurry and cake, the magnitude of which is directly related to the cake state and constantly changes: the frame of the filter plate is pressed by the pressing oil cylinder in the pre-pressing process of the filter plate, but the fluid pressure in the filter chamber can counteract a part of pre-tightening force after entering the filter pressing stage, so that the pressing force is closely related to the cake state of the filter cake. Thus, the loading of the filter plate regions is a dynamic load that varies with time, but prior art filter presses are loaded with a constant load. On the other hand, the rheological properties of the filter pulp after filter pressing into cakes are changed, the transmission of the feeding pressure is not equal everywhere of Newtonian fluid, but obvious spatial pressure gradient exists, so the load applied to the wall plate of the filter chamber is the distributed load with spatial change instead of the uniform load used by the filter press in the prior art.
Chinese patent application No. CN201020671302.9 discloses a filter press, which is to solve the problem that the existing filter press can not effectively discharge air and seriously affect the filter press efficiency and effect when processing the product containing moisture with partial air, and the geometric structure of the filter frame is not optimally designed.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome not enough above, the utility model aims at providing a pressure filter equipment, including hydraulic pressure mechanism, filter equipment, loading system, simple structure, with low costs, stability is good, and the flexibility is high, can accomplish fluid filling stage, pressure filtration stage, drainage stage, unload this a series of work of cake automatically, through improving the optimization to filter equipment's structure, improved the filter-pressing quality, application prospect is extensive.
The technical scheme is as follows: the filter press equipment comprises a hydraulic mechanism, a filtering mechanism, a pressurizing mechanism and a rack, wherein the hydraulic mechanism, the filtering mechanism and the pressurizing mechanism are arranged on the rack; the hydraulic mechanism comprises a main hydraulic pump, a main hydraulic cylinder, an auxiliary hydraulic pump and an auxiliary hydraulic cylinder; the main hydraulic pump is connected with the main hydraulic cylinder and arranged on the left side of the frame, and the auxiliary hydraulic pump is connected with the auxiliary hydraulic cylinder and arranged on the right side of the frame; the filter mechanism is arranged in the middle of the frame and positioned between the main hydraulic cylinder and the auxiliary hydraulic cylinder, and the filter mechanism is pressed through the main hydraulic pump, the main hydraulic cylinder, the auxiliary hydraulic pump and the auxiliary hydraulic cylinder; and a pressurizing mechanism is also arranged on the right side of the filtering mechanism.
Pressure filter equipment, constitute by hydraulic pressure mechanism, filter mechanism, loading system, the working process generally divide into five stages, fluid filling stage, pressure filtration stage, drainage stage, automatic cake stage of unloading promptly specifically as follows: before the fluid is fed, the main hydraulic cylinder and the auxiliary hydraulic cylinder extend out under the action of the main hydraulic pump and the auxiliary hydraulic pump, so that the filtering mechanism is pressed tightly to form all filtering chambers. The pressurizing mechanism is then automatically put into operation to rapidly force the flowsheet into the filtering mechanism. Most water can be discharged under the action of pressure difference, filter cakes are preliminarily formed, simultaneously discharged water can be obviously reduced to reach a set value, the pressurizing mechanism stops working, the main hydraulic cylinder is firstly loosened under the action of the main hydraulic pump, and then the auxiliary hydraulic cylinder sequentially opens the filter chambers of the filtering mechanism to complete the automatic cake discharging process under the action of the auxiliary hydraulic pump.
Furthermore, the filter press equipment comprises a plurality of filter frames, and the filter frames are arranged perpendicular to the ground.
Furthermore, in the filter press equipment, the hydraulic mechanism further comprises two cross rods, two ends of each cross rod are respectively connected with the piston rods of the main hydraulic cylinder and the auxiliary hydraulic cylinder, and the cross rods are parallel to the ground and are positioned on the filtering mechanism and push the filtering mechanism to compress.
Further, in the filter press equipment, the filter mechanism further comprises a head plate, a tail plate and a movable plate, the head plate is fixed on the left side of the frame, the head plate and the filter frame are closed to form a filter chamber, and the tail plate and the movable plate are connected with the cross rod and are respectively located in the middle and on the rightmost side of the filter mechanism.
The head plate and the frame of the filter press are fixedly connected together and can be closed with the filter frame to form a filter chamber to support the whole system. In the preparation stage, the head plate of the filter press is fixed, the movable rod of the main hydraulic cylinder pushes the push rod to drive the movable plate and the tail plate to push the middle filter frame to be closed in sequence to form a filter chamber, coal slime enters the filter chamber from the pore plate, in the cake unloading stage, the movable plate and the tail plate are firstly pulled open, and other filter frames are sequentially pulled open by the auxiliary hydraulic cylinder to finish the cake unloading action.
Further, in the above filter press equipment, the pressurizing mechanism includes a diaphragm pump, an oil tank, and a console, the oil tank is disposed on one side of the diaphragm pump, and the console and the diaphragm pump are connected to the filtering mechanism.
One side of the diaphragm pump is provided with an oil tank, so that the rotary abrasion part of the diaphragm pump sleeve is always immersed in smooth oil, continuous and stable production is realized, and the service life of the diaphragm pump is prolonged.
When the diaphragm pump operates, the flow graph is rapidly pressed into the filtering mechanism, after the fluid filling stage is finished, the diaphragm pump continues to operate, pressure is applied to the filtering mechanism, and most of water flows out of the filtering mechanism under the action of pressure difference. Most water can be discharged under the pressure differential effect, and the filter cake tentatively forms, and the discharged water can obviously reduce simultaneously, and the liquid level begins to descend, and when the liquid level was less than the setting value, the signal display on the control cabinet can become "dry" by "wet", and the diaphragm pump stop work this moment.
Further, in the filter press machine apparatus, the filter mechanism further includes a pipe, and the pressurizing mechanism presses the fluid into the filter frame through the pipe.
Further, in the filter press equipment, the filter frame is a circular filter frame, the filter frame comprises 2 filter plates and filter cloth, the filter plates are connected through elastic caps and steel rings, and the filter cloth is arranged on the filter plates.
Furthermore, in the filter press equipment, the opposite corners of the filter frame are provided with tangential feed inlets.
Filter frame, adopt circular filter frame, set up the tangential feed inlet at the diagonal angle of circle frame, the principle is after utilizing loading system's pump pressure to make fluid tangential get into the filter chamber, form the vortex form and rotate, the thin layer filter cake that the tiny granule solid that holds back formed on the promotion filter cloth is to vortex center knot collection, and the regional thin cake that can only form of sweeping the flow along the way, filtering resistance reduces, the thin cake is driven by the fluid at the back again and is flowed to central region, the filter speed of filtering the initial stage is for accelerating greatly. The structure realizes high-speed filtration on the premise of no need of large structural change, so that the traditional filtering device can fully play a role, and the production capacity is improved. The thickness of the filter cake can be changed by replacing the elastic cap and the steel ring of the filter plate.
Further, in the filter press equipment, a discharge hole is formed below the filter plate.
The filter frame is hung on the frame through the roller, the filter frame can be compressed tightly through the tail plate and the movable plate under the action of the hydraulic system to form filter chambers, meanwhile, fluid enters each filter chamber through the tangential feed inlet of the filter frame, the filter plates are respectively covered with filter cloth, and the fluid is subjected to solid-liquid separation under the filtering action of the filter cloth to form filter cakes.
The utility model has the advantages that:
(1) the filter press equipment of the utility model comprises a hydraulic mechanism, a filtering mechanism and a pressurizing mechanism, has simple structure, low cost, good stability and high flexibility, can complete a series of work of fluid filling stage, pressurizing and filtering stage, draining stage and automatic cake unloading, improves the filter pressing quality by improving and optimizing the structure of the filtering mechanism, and has wide application prospect;
(2) the hydraulic mechanism of the utility model adopts the main hydraulic pump, the main hydraulic cylinder, the auxiliary hydraulic pump and the auxiliary hydraulic cylinder to match, and has better effect of compressing and releasing the filter mechanism; the filtering mechanism adopts a circular filtering frame, so that high-speed filtering is realized, the function is fully exerted, and the production capacity is improved; the filter frame comprises two filter plates and filter cloth, the thickness of a filter cake can be changed by replacing an elastic cap and a steel ring of each filter plate, and the flexibility is high.
Drawings
FIG. 1 is an overall structural view of the filter press apparatus of the present invention;
FIG. 2 is a front view of a filter frame of the filter press apparatus of the present invention;
FIG. 3 is a left side view of a filter frame of the filter press apparatus of the present invention;
in the figure: the hydraulic mechanism 1, the main hydraulic pump 11, the main hydraulic cylinder 12, the auxiliary hydraulic pump 13, the auxiliary hydraulic cylinder 14, the cross rod 15, the filter mechanism 2, the filter frame 21, the filter plate 211, the filter cloth 212, the elastic cap 213, the steel ring 214, the tangential feed inlet 215, the discharge outlet 216, the head plate 22, the tail plate 23, the movable plates 24 and 25, the pressurizing mechanism 3, the diaphragm pump 31, the oil tank 32, the console 33 and the frame 4.
Detailed Description
The invention will be further elucidated with reference to the accompanying figures 1-3 and the specific embodiments.
The filter press equipment with the structure as shown in fig. 1 comprises a hydraulic mechanism 1, a filtering mechanism 2, a pressurizing mechanism 3 and a frame 4, wherein the hydraulic mechanism 1, the filtering mechanism 2 and the pressurizing mechanism 3 are arranged on the frame 4; the hydraulic mechanism 1 comprises a main hydraulic pump 11, a main hydraulic cylinder 12, an auxiliary hydraulic pump 13 and an auxiliary hydraulic cylinder 14; the main hydraulic pump 11 is connected with the main hydraulic cylinder 12 and is arranged at the left side of the frame 4, and the auxiliary hydraulic pump 13 is connected with the auxiliary hydraulic cylinder 14 and is arranged at the right side of the frame 4; the filter mechanism 2 is arranged in the middle of the frame 4 and positioned between the main hydraulic cylinder 12 and the auxiliary hydraulic cylinder 14, and the filter mechanism 2 is pressed by the main hydraulic pump 11, the main hydraulic cylinder 12, the auxiliary hydraulic pump 13 and the auxiliary hydraulic cylinder 14; and a pressurizing mechanism 3 is also arranged on the right side of the filtering mechanism 2.
In addition, the filtering mechanism 2 comprises a plurality of filtering frames 21, and the filtering frames 21 are arranged perpendicular to the ground. The beam body 121 is formed by welding two cold-rolled rectangular tubes 1211 in a segmented manner.
In addition, the hydraulic mechanism 1 further comprises two cross rods 15, two ends of each cross rod 15 are respectively connected with piston rods of the main hydraulic cylinder 12 and the auxiliary hydraulic cylinder 14, and the cross rods 15 are parallel to the ground and located on the filtering mechanism 2 and push the filtering mechanism 2 to compress the ground.
In addition, the filtering mechanism 2 further comprises a head plate 22, a tail plate 23 and a movable plate 24, the head plate 22 is fixed on the left side of the frame 4, the head plate 22 and the filter frame 21 are closed to form a filter chamber 25, and the tail plate 23 and the movable plate 24 are connected with the cross bar 15 and are respectively located in the middle and at the rightmost side of the filtering mechanism 2.
Further, the pressurizing mechanism 3 includes a diaphragm pump 31, an oil tank 32, and a console 33, the oil tank 32 is disposed on one side of the diaphragm pump 31, and the console 33 and the diaphragm pump 31 are connected to the filtering mechanism 2.
The filter mechanism 2 further includes a pipe, and the pressurizing mechanism 3 presses the fluid into the filter frame 21 through the pipe.
Further, as shown in fig. 2 and 3, the filter frame 21 is a circular filter frame, the filter frame 21 includes 2 filter plates 211 and filter cloth 212, the filter plates 211 are connected by elastic caps 213 and steel rings 214, and the filter cloth 212 is disposed on the filter plates 211.
Further, a tangential feed port 215 is provided at a diagonal of the filter frame 21. A discharge hole 216 is arranged below the filter plate 211.
Examples
The structural basis is as shown in FIGS. 1 to 3.
The working process of the filter press equipment generally comprises 4 stages, namely a fluid filling stage, a pressure filtration stage, a drainage stage and an automatic cake unloading stage, and under the general condition, one cycle time is 10-12 min.
A fluid filling stage: before fluid feeding, under the action of the main and auxiliary hydraulic pumps 11, 13, the cylinders 12, 14 extend to push the movable plate 24 to press the adjacent filter frame 21 tightly and form a whole filter chamber 25. The membrane 31 pump is then automatically put into operation, rapidly pressing the fluid through the pipes into the respective filter chambers 25.
And (3) a pressure filtration stage: after the fluid filling phase has ended, the diaphragm pump 31 continues to operate, and each fluid-filled filter chamber 25 is pressurized, and under the effect of the pressure difference, most of the water passes through the filter cloth and flows out through the outlet openings 216 in the filter plates 311 of the filter frame 21.
A drainage stage: most of the water will be discharged under the action of the pressure difference, the filter cake will be formed preliminarily, meanwhile, the discharged water will be reduced significantly, the liquid level will start to fall, when the liquid level is lower than the set value, the signal display on the console 33 will be changed from "wet" to "dry", and at this time, the diaphragm pump 31 stops working.
And (3) automatic cake unloading stage: under the action of the main and auxiliary hydraulic pumps 11, 13, the main hydraulic cylinder 12 pushes the movable plate 24 to realize the first step of cake discharge, and then the auxiliary hydraulic cylinder 14 sequentially opens the filter 25 chambers to complete the automatic cake discharge process.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, the embodiments of the present invention can be arbitrarily combined with each other, and the same shall be regarded as the disclosure of the present invention as long as the idea of the present invention is not violated.
Claims (9)
1. The filter press equipment is characterized by comprising a hydraulic mechanism (1), a filtering mechanism (2), a pressurizing mechanism (3) and a rack (4), wherein the hydraulic mechanism (1), the filtering mechanism (2) and the pressurizing mechanism (3) are arranged on the rack (4); the hydraulic mechanism (1) comprises a main hydraulic pump (11), a main hydraulic cylinder (12), an auxiliary hydraulic pump (13) and an auxiliary hydraulic cylinder (14); the main hydraulic pump (11) is connected with the main hydraulic cylinder (12) and arranged on the left side of the frame (4), and the auxiliary hydraulic pump (13) is connected with the auxiliary hydraulic cylinder (14) and arranged on the right side of the frame (4); the filtering mechanism (2) is arranged in the middle of the frame (4) and is positioned between the main hydraulic cylinder (12) and the auxiliary hydraulic cylinder (14), and the filtering mechanism (2) is pressed through the main hydraulic pump (11), the main hydraulic cylinder (12), the auxiliary hydraulic pump (13) and the auxiliary hydraulic cylinder (14); and a pressurizing mechanism (3) is also arranged on the right side of the filtering mechanism (2).
2. Filter press equipment according to claim 1, characterised in that the filter means (2) comprise a number of filter frames (21), which filter frames (21) are arranged perpendicular to the ground.
3. The filter press equipment according to claim 2, wherein the hydraulic mechanism (1) further comprises two cross rods (15), two ends of each cross rod (15) are respectively connected with the piston rods of the main hydraulic cylinder (12) and the auxiliary hydraulic cylinder (14), and the cross rods (15) are parallel to the ground and are positioned on the filter mechanism (2) and push the filter mechanism (2) to press.
4. Filter press equipment according to claim 3, characterised in that the filtering mechanism (2) further comprises a head plate (22), a tail plate (23) and a movable plate (24), the head plate (22) is fixed on the left side of the frame (4), the head plate (22) and the filter frame (21) are closed to form a filter chamber (25), and the tail plate (23) and the movable plate (24) are connected with the cross bar (15) and are respectively positioned at the middle part and the rightmost side of the filtering mechanism (2).
5. Filter press installation according to claim 1, wherein the pressurizing means (3) comprises a membrane pump (31), a tank (32), a console (33), the tank (32) being arranged on one side of the membrane pump (31), the console (33), the membrane pump (31) being connected to the filtering means (2).
6. Filter press equipment according to claim 2, characterised in that the filter means (2) further comprise a pipe through which the pressurizing means (3) presses fluid into the filter frame (21).
7. Filter press equipment according to claim 6, wherein the filter frame (21) is a circular filter frame, the filter frame (21) comprises 2 filter plates (211) and filter cloth (212), the filter plates (211) are connected by elastic caps (213) and steel rings (214), and the filter cloth (212) is arranged on the filter plates (211).
8. Filter press apparatus according to claim 7, characterised in that the filter frame (21) is provided with tangential feed openings (215) at opposite corners.
9. Filter press apparatus according to claim 7, characterised in that a discharge outlet (216) is provided below the filter plates (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921749062.7U CN211133111U (en) | 2019-10-18 | 2019-10-18 | Pressure filter equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921749062.7U CN211133111U (en) | 2019-10-18 | 2019-10-18 | Pressure filter equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211133111U true CN211133111U (en) | 2020-07-31 |
Family
ID=71767954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921749062.7U Active CN211133111U (en) | 2019-10-18 | 2019-10-18 | Pressure filter equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211133111U (en) |
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2019
- 2019-10-18 CN CN201921749062.7U patent/CN211133111U/en active Active
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