Filter press for caustic soda wastewater treatment
By combining hydraulic drive and eccentric wheel motor, automatic vibration of the filter plate of the filter press is realized, which solves the problem of filter cake being difficult to detach and improves the convenience of operation and maintenance efficiency.
Patent Information
- Application Number
- CN202520113856.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-01-17
AI Technical Summary
The existing filter plates of the filter press cannot vibrate on their own during movement, making it difficult for the filter cake to fall off automatically. They need to be cleaned manually one by one, which is inconvenient.
A structure including a hydraulic cylinder, a push plate, a transmission mechanism, a connecting rope, and a spring was designed. The push plate is moved by hydraulic drive, and the filter plate is reciprocated by an eccentric wheel and a motor drive. The filter cake is automatically detached by the elastic force.
It enables automatic filter cake removal, reduces the need for manual cleaning, improves operational convenience, and supports individual disassembly and replacement of filter plates.
Smart Images

Figure CN223788121U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to filter press technical field, specifically disclose a filter press for caustic soda wastewater treatment. BACKGROUND
[0002] Caustic soda wastewater mainly comes from chlor alkali industry, papermaking, weaving, printing and dyeing, chemical industry etc. production process uses caustic soda as raw material or catalyst link, it needs to use filter press or other filter equipment to filter treatment to wastewater in the process of processing to remove the large particle solid impurities and suspended solids.
[0003] The existing filter plate installed on the filter press cannot vibrate automatically during movement, so that the filter cake attached to the inner side is not easy to fall off, and manual cleaning one by one is very inconvenient. UTILITY MODEL CONTENTS
[0004] In view of the above defects or deficiencies in the prior art, the present application aims to provide a filter press for caustic soda wastewater treatment, comprising a thrust plate and a mounting plate, a cross beam fixedly installed on the outer side of the thrust plate and the mounting plate and symmetrically distributed, a water inlet flange communicated on one side of the thrust plate, a hydraulic cylinder fixedly sleeved in the inner part of the mounting plate, and a push plate fixedly installed on the outer side of one end of the hydraulic cylinder, one side of the thrust plate is provided with a first guide rod and a second guide rod, the outer side of the first guide rod and the second guide rod is movably sleeved with a moving plate located above the water inlet flange, the top of the thrust plate is fixedly installed with a motor, and one side of the thrust plate is fixedly installed with a transmission mechanism located on one side of the moving plate, the outer side of the cross beam is placed with a filter plate, the outer side of the filter plate is fixedly installed with a first support plate symmetrically distributed, the inner side of the first support plate is rotatably connected with a guide wheel located on the inner side of the cross beam, the inner part of the first support plate is fixedly connected with a first connecting rope and a second connecting rope through bolts respectively, and adjacent filter plates are connected through the first connecting rope, the outer side of one end of the second connecting rope is provided with a first fixed rod fixedly sleeved in the inner part of the moving plate, the outer side of the second support plate is fixedly installed with a second support plate which is the same structure as the first support plate and rotatably connected with a guide wheel on the inner side, the inner part of the second fixed rod is movably sleeved in the second support plate, and the inner part of one end of the second fixed rod is fixedly connected with a third connecting rope in the inner part of the first support plate through a bolt.
[0005] Preferably, the transmission mechanism comprises a first support and a second support fixedly installed on the thrust plate, the inner part of the first support and the second support is rotatably connected with a driving shaft, the outer side of the driving shaft is fixedly sleeved with an eccentric wheel located between the first support and the second support, and the top end of the driving shaft extending out of the first support is fixedly sleeved between the output shaft of the motor through the shaft sleeve.
[0006] Preferably, the outer side of one end of the second connecting rope and the third connecting rope and the outer side of both ends of the first connecting rope are provided with an adapter movably sleeved in the first supporting plate, and the adapter is movably sleeved on the outer side of the bolt.
[0007] Preferably, the second fixed rod is sleeved with a spring on the outer side of the end away from the third connecting rope.
[0008] The utility model discloses the following effects:
[0009] 1. The filter press for caustic soda wastewater treatment, through the drive of the hydraulic cylinder, the push plate can be moved, and through the cooperation of the bolt, the first connecting rope, the second connecting rope and the third connecting rope, the filter plates squeezed together can be opened one by one, and in this process, the eccentric wheel can be driven to rotate through the drive of the motor, and the moving plate can be pushed, and in the process of pushing the moving plate, the spring can be compressed, and then the elastic force generated by the spring and the driving force provided by the moving plate can drive each filter plate to reciprocate left and right, so that the filter cake attached to the inner side surface of the filter plate can easily fall off, and manual cleaning is not needed, so that the use is very convenient.
[0010] 2. The filter press for caustic soda wastewater treatment, through the disassembly bolt, the adapter can be released from the limiting, so that each filter plate can be disassembled and replaced individually. DRAWINGS
[0011] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments made with reference to the accompanying drawings:
[0012] Figure 1 It is a structural schematic diagram of the utility model;
[0013] Figure 2 It is a top view schematic diagram of the structure of the utility model;
[0014] Figure 3 It is Figure 1 It is an enlarged schematic diagram of the structure of A in the middle;
[0015] Figure 4 It is Figure 1 It is an enlarged schematic diagram of the structure of B in the middle;
[0016] Figure 5 It is Figure 1 It is an enlarged schematic diagram of the structure of C in the middle;
[0017] Figure 6 It is a schematic diagram of the first supporting plate of the utility model.
[0018] In the figure: 1, thrust plate; 2, mounting plate; 3, crossbeam; 4, water inlet flange; 5, hydraulic cylinder; 6, push plate; 7, first guide rod; 8, second guide rod; 9, moving plate; 10, motor; 11, transmission mechanism; 111, first support; 112, second support; 113, drive shaft; 114, eccentric wheel; 12, filter plate; 13, first support plate; 14, guide wheel; 15, bolt; 16, first connecting rope; 17, second connecting rope; 18, first fixed rod; 19, second support plate; 20, second fixed rod; 21, third connecting rope; 22, adapter; 23, spring. DETAILED DESCRIPTION
[0019] The application will be further described below in conjunction with the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related utility model, and are not limited to the utility model. In addition, it should be noted that, in order to facilitate the description, only the parts related to the utility model are shown in the drawings.
[0020] The different kinds of section lines in the drawings in the embodiments of the utility model are not marked according to the national standard, and the materials of the elements are not required, which are only to distinguish the section views of the elements in the drawings.
[0021] Please refer to Figures 1-6The utility model relates to a filter press for caustic soda wastewater treatment, including thrust plate 1 and mounting plate 2, the lateral beam 3 of fixed mounting in the outside of thrust plate 1 and mounting plate 2 and the symmetrical distribution, the water inlet flange 4 of intercommunication at one side of thrust plate 1, the hydraulic cylinder 5 of fixedly sleeved in the inside of mounting plate 2 and the push plate 6 of fixed installation in the outside of one end of hydraulic cylinder 5, one side of thrust plate 1 is provided with first guide rod 7 and second guide rod 8, the outside of first guide rod 7 and second guide rod 8 is jointly movable sleeve and has the moving plate 9 in the upper of water inlet flange 4, through the cooperation of first guide rod 7 and second guide rod 8 can be positioned guide to moving plate 9, the top of thrust plate 1 is fixedly installed with motor 10, and one side of thrust plate 1 is fixedly installed with transmission mechanism 11 at one side of moving plate 9, the outside of lateral beam 3 is placed with filter plate 12, the outside of filter plate 12 is fixedly installed with the first support plate 13 of symmetrical distribution, the inside of first support plate 13 is rotatably connected with the guide wheel 14 in the inside of lateral beam 3, through the cooperation of first support plate 13 and guide wheel 14 can be positioned support to filter plate 12 simultaneously make under the drive of hydraulic cylinder 5 can be pushed by push plate 6 to filter plate 12 one by one, and after adjacent filter plate 12 is extruded together, caustic soda wastewater can be transported to the inside of every filter plate 12 through water inlet flange 4 to thrust plate 1, the inside of first support plate 13 is fixedly connected with first connecting rope 16 and second connecting rope 17 respectively through bolt 15, and adjacent filter plate 12 is connected through first connecting rope 16, the outside of one end of second connecting rope 17 is provided with the first fixed rod 18 of fixed sleeve in the inside of moving plate 9, the outside of push plate 6 is fixedly installed with the second support plate 19 with the same structure as first support plate 13 and the inside rotatably connected with guide wheel 14, the inside of second support plate 19 is movably sleeved with second fixed rod 20, the inside of one end of second fixed rod 20 is provided with the third connecting rope 21 of fixed connection in the inside of first support plate 13 through bolt 15.
[0022] Wherein, transmission mechanism 11 includes first support 111 and second support 112 of fixed installation on thrust plate 1, the inside of first support 111 and second support 112 is rotatably connected with drive shaft 113, the outside of drive shaft 113 is fixedly sleeved with eccentric wheel 114 between first support 111 and second support 112, the top end outside of drive shaft 113 extending outside first support 111 is fixedly sleeved between the output shaft of motor 10 through the shaft sleeve, through the drive of motor 10 can drive eccentric wheel 114 rotates around the axial direction of drive shaft 113 simultaneously can push along the axial direction of first guide rod 7 and second guide rod 8 and move to the left side.
[0023] The outer side of one end of the second connecting rope 17 and the third connecting rope 21 and the outer side of both ends of the first connecting rope 16 are provided with an adapter 22 movably sleeved in the first supporting plate 13, the adapter 22 is movably sleeved on the outer side of the bolt 15, through the cooperation of the adapter 22 and the bolt 15, the first connecting rope 16, the second connecting rope 17 and the third connecting rope 21 can be limited and fixed, and at the same time, the three can be disassembled by disassembling the bolt 15.
[0024] The outer side of one end of the second connecting rope 17 and the third connecting rope 21 and the outer side of both ends of the first connecting rope 16 are provided with an adapter 22 movably sleeved in the first supporting plate 13, the adapter 22 is movably sleeved on the outer side of the bolt 15, through the cooperation of the adapter 22 and the bolt 15, the first connecting rope 16, the second connecting rope 17 and the third connecting rope 21 can be limited and fixed, and at the same time, the three can be disassembled by disassembling the bolt 15.
[0025] When the filter cake is cleaned, the hydraulic cylinder 5 is started, the push plate 6 is driven to move through the hydraulic cylinder 5, the rightmost filter plate 12 is gradually pulled through the third connecting rope 21, and the spring 23 is compressed through the second fixed rod 20, the rightmost filter plate 12 is gradually pulled through the first connecting rope 16 in the moving process, when the push plate 6 is displaced to the right side of the set distance, the hydraulic cylinder 5 is closed, at this time, the adjacent filter plates 12 are all opened, the first connecting rope 16, the second connecting rope 17 and the third connecting rope 21 are in tension state, and the spring 23 is in compression state, the motor 10 is started, the driving shaft 113 is driven to rotate through the motor 10, the eccentric wheel 114 is driven to rotate around the axis of the driving shaft 113, the driving shaft 113 can push the moving plate 9 to the left side along the axis of the first guide rod 7 and the second guide rod 8 in the rotating process, the moving plate 9 is pulled through the first fixed rod 18 and the second connecting rope 17 in the moving process, the leftmost filter plate 12 is moved through the first connecting rope 16 in the moving process, the spring 23 is compressed through the second fixed rod 20 in the moving process of the rightmost filter plate 12, when the eccentric wheel 114 is separated from the surface of the moving plate 9, the elastic force generated by the spring 23 drives all the filter plates 12 and the moving plate 9 to move to the right side and reset, at this time, the driving force generated by the eccentric wheel 114 and the elastic force generated by the spring 23 cooperate to drive all the filter plates 12 to reciprocate left and right, the filter cake on the inner side of the filter plate 12 is gradually separated from the inner side of the filter plate 12 under the action of the inertial force, the contents not described in detail in the description belong to the prior art known to those skilled in the art.
[0026] It should be noted that the embodiments and features of the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.
[0027] The above description is merely the preferred embodiments of the present application and the explanation of the technical principles applied. It should be understood by those skilled in the art that the scope of the utility model involved in the present application is not limited to the technical solutions formed by the specific combinations of the above technical features, and should also cover other technical solutions formed by the combinations of the above technical features or equivalent features without departing from the concept of the utility model. For example, the technical solutions formed by the mutual replacement of the above features and the technical features disclosed in the present application (but not limited to) with similar functions.
Claims
1. A filter press for caustic soda wastewater treatment, comprising a thrust plate (1) and a mounting plate (2), a cross beam (3) fixedly mounted on the outer side of the thrust plate (1) and the mounting plate (2) and symmetrically distributed, a water inlet flange (4) communicated on one side of the thrust plate (1), a hydraulic cylinder (5) fixedly sleeved in the inner part of the mounting plate (2), and a push plate (6) fixedly mounted on the outer side of one end of the hydraulic cylinder (5), characterized in that: The side of the thrust plate (1) is provided with a first guide rod (7) and a second guide rod (8), the outer side of the first guide rod (7) and the second guide rod (8) is movably sleeved with a moving plate (9) above the water inlet flange (4), the top of the thrust plate (1) is fixedly installed with a motor (10), and one side of the thrust plate (1) is fixedly installed with a transmission mechanism (11) on one side of the moving plate (9), the outer side of the cross beam (3) is placed with a filter plate (12), the outer side of the filter plate (12) is fixedly installed with a first support plate (13) which is symmetrically distributed, the inner side of the first support plate (13) is rotatably connected with a guide wheel (14) on the inner side of the cross beam (3), the inside of the first support plate (13) is fixedly connected with a first connecting rope (16) and a second connecting rope (17) through bolts (15), and adjacent filter plates (12) are connected through the first connecting rope (16), the outer side of one end of the second connecting rope (17) is provided with a first fixed rod (18) fixedly sleeved in the inside of the moving plate (9), the outer side of the push plate (6) is fixedly installed with a second support plate (19) which is the same structure as the first support plate (13) and has a guide wheel (14) rotatably connected on the inner side, the inside of the second support plate (19) movably sleeved with a second fixed rod (20), the inside of one end of the second fixed rod (20) is provided with a third connecting rope (21) fixedly connected in the inside of the first support plate (13) through the bolt (15).
2. A filter press for caustic waste water treatment according to claim 1, characterized in that: The transmission mechanism (11) comprises a first support (111) and a second support (112) fixedly installed on the thrust plate (1), the inside of the first support (111) and the second support (112) is rotatably connected with a drive shaft (113), the outer side of the drive shaft (113) is fixedly sleeved with an eccentric wheel (114) between the first support (111) and the second support (112), the top end of the drive shaft (113) extending out of the first support (111) is fixedly sleeved with the output shaft of the motor (10) through the shaft sleeve.
3. A filter press for caustic waste water treatment according to claim 1, characterized in that: The outer side of one end of the second connecting rope (17) and the third connecting rope (21) and the outer side of both ends of the first connecting rope (16) are provided with an adapter (22) movably sleeved in the inside of the first support plate (13), the adapter (22) is movably sleeved on the outer side of the bolt (15).
4. A filter press for caustic waste water treatment according to claim 1, characterized in that: The outer side of the end of the second fixed rod (20) away from the third connecting rope (21) is sleeved with a spring (23).