CN-122010384-A - Filter-pressing dewatering device for sludge treatment

CN122010384ACN 122010384 ACN122010384 ACN 122010384ACN-122010384-A

Abstract

The invention discloses a filter pressing dehydration device for sludge treatment, and relates to the technical field of sludge treatment. The filter pressing dehydration device for sludge treatment comprises a fixing component, a filter plate component and a force application component. The fixed subassembly includes two saddles that set up side by side along left and right directions. The filter plate assembly comprises a first filter plate and a second filter plate which are arranged side by side along the front-back direction, brackets are arranged on the left side and the right side of the first filter plate and the left side and the right side of the second filter plate, and the first filter plate and the second filter plate are lapped on the two supporting tables through the brackets and are positioned between the two supporting tables. The force application assembly comprises a pushing mechanism and two groups of lifting mechanisms. The pushing mechanism is arranged on the fixing assembly and is positioned on one side of the first filter plate, which is opposite to the second filter plate, and can push the first filter plate to be in contact with the second filter plate. The two groups of lifting mechanisms are respectively arranged on the outer side walls of the two pallets in a one-to-one correspondence manner and are connected with the pushing mechanisms, and the first filter plate and the second filter plate can be driven to be separated under the action of the pushing mechanisms.

Inventors

XING JUN
LI CHEN
YANG JINGHONG
LI YONGHONG
ZHANG YUN

Assignees

陕西辰寰绿能科技发展有限公司

Dates

Publication Date: 20260512
Application Date: 20260410

Claims (10)

1. A filter pressing dewatering device for sludge treatment is characterized by comprising: The fixing assembly comprises two pallets which are arranged side by side along the left-right direction; the filter plate assembly comprises a first filter plate and a second filter plate which are arranged side by side along the front-back direction, wherein brackets are arranged on the left side and the right side of the first filter plate and the left side and the right side of the second filter plate, and the first filter plate and the second filter plate are lapped on the two brackets through the brackets and are positioned between the two brackets; The force application assembly comprises a pushing mechanism and two groups of lifting mechanisms, wherein the pushing mechanism is arranged on the fixed assembly and is positioned on one side of the first filter plate, which is opposite to the second filter plate, and can push the first filter plate to be in contact with the second filter plate, and the two groups of lifting mechanisms are respectively arranged on the outer side walls of the two pallets in a one-to-one correspondence manner and are connected with the pushing mechanism and can drive the first filter plate to be separated from the second filter plate under the action of the pushing mechanism.
2. The filter-press dewatering device for sludge treatment according to claim 1, wherein each lifting mechanism comprises a rack, a gear, a rotating shaft and a cam; the rack is arranged on the outer side wall of the supporting table in a sliding manner and is connected with the pushing mechanism through a connecting rod, the rotating shaft is connected with the supporting table in a rotating manner, the gear is connected to the end part of the rotating shaft in an interference manner and meshed with the rack, the cam is further arranged at the end part of the rotating shaft, the bracket on the side wall of the first filter plate is located on the rotating path of the cam, and the cam can be abutted to the bottom of the bracket on the side wall of the first filter plate when rotating to drive the first filter plate to be separated from the second filter plate.
3. The filter-pressing dewatering device for sludge treatment according to claim 2, wherein a guide groove is formed in the side wall of the supporting table, a sliding block is slidably arranged in the guide groove, and the rack is fixed on the sliding block.
4. The apparatus of claim 2, wherein the cam has a ratchet fixed to an outer peripheral wall thereof, and the ratchet engages with the ratchet to set the cam at an end of the shaft.
5. The filter-pressing dewatering device for sludge treatment according to claim 2, wherein the end face of the distal end of the cam is provided with a tooth surface, the bottom of the bracket on the side wall of the first filter plate is provided with a tooth groove matched with the tooth surface, and the tooth surface is meshed with the tooth groove when the cam abuts against the bracket on the side wall of the first filter plate.
6. The apparatus according to any one of claims 1 to 5, wherein the pushing mechanism comprises a hydraulic cylinder and a pushing plate, the pushing plate is movably arranged on a side of the first filter plate facing away from the second filter plate, and the hydraulic cylinder is connected to a mounting frame on a side of the pushing plate facing away from the first filter plate; before filter pressing dehydration, the hydraulic cylinder stretches and pushes the push plate, and the push plate pushes the first filter plate to be close to and contact with the second filter plate, so that a containing cavity for containing sludge is formed between the first filter plate and the second filter plate.
7. The filter-press dewatering device for sludge treatment according to any one of claims 1 to 5, wherein the centers of the first filter plate and the second filter plate are provided with communication holes for conducting sludge, and the communication holes are communicated with an external sludge tank by a feed pipe.
8. The filter-press dewatering device for sludge treatment according to claim 2, further comprising a flow supply mechanism, wherein the flow supply mechanism comprises a hot water tank, a first water inlet pipe, a second water inlet pipe, a first flow guiding cavity, a second flow guiding cavity, a first water drain pipe, a second water drain pipe, a first pump and a second pump; The first filter plate is internally provided with the first flow guide cavity, and the second filter plate is internally provided with the second flow guide cavity; The water inlet end of the hot water tank is communicated with the first diversion cavity through the first water inlet pipe and is communicated with the second diversion cavity through the second water inlet pipe, the water inlet end of the hot water tank is communicated with the first diversion cavity through the first water outlet pipe and is communicated with the second diversion cavity through the second water outlet pipe, the first pump is arranged on the first water inlet pipe, and the second pump is arranged on the second water inlet pipe.
9. The filter-pressing dewatering device for sludge treatment according to claim 8, wherein a plurality of protruding portions are uniformly distributed on the surface of the first filter plate and the surface of the second filter plate, and a diversion trench is formed between the plurality of protruding portions; the edge positions of the first filter plate and the second filter plate are provided with an air inlet hole and a drainage hole, the air inlet hole, the diversion trench and the drainage hole form a communicating body, the air inlet hole is communicated with an external air pump through an air inlet pipe, and the drainage hole is communicated with an external sewage pool through a drain pipe.
10. The filter-press dewatering device for sludge treatment according to claim 9, wherein: the number of the filter plate assemblies is N, the N filter plate assemblies are arranged side by side along the front-back direction, the first filter plates and the second filter plates in two adjacent filter plate groups are alternately arranged, and N is a positive integer greater than 1; each group of lifting mechanism is provided with N gears, N rotating shafts and N cams, the N rotating shafts are arranged side by side along the front-back direction, and the N gears and the N cams are arranged on the N rotating shafts in a one-to-one correspondence manner; The first water inlet pipe, the second water inlet pipe, the first water drain pipe and the second water drain pipe are all provided with N, the first water inlet pipe and the first water drain pipe are connected to the first diversion cavity in one-to-one correspondence, and the second water inlet pipe and the second water drain pipe are connected to the second diversion cavity in one-to-one correspondence.

Description

Filter-pressing dewatering device for sludge treatment Technical Field The invention relates to the technical field of sludge treatment, in particular to a filter pressing dehydration device for sludge treatment. Background In the fields of sludge treatment and solid-liquid separation in a plurality of industries, a filter press is a key device widely applied. The basic working principle is that one or more groups of filter press plates are used to form a closed chamber, and liquid in the mud-water mixture is discharged through filter cloth or filter membrane under the action of external pressure, so that separation of mud cakes and water is realized. The prior art plate and frame filter press or membrane filter press is generally composed of a plurality of filter press plates in parallel. In the working stage of filter pressing, the hydraulic device is used for pushing the filter pressing plate group to be closed and locked, so that a plurality of independent filter chambers are formed. After the press filtration process is finished, the hydraulic system is operated to withdraw the filter press plate group, and a plurality of filter press plates are manually pulled apart, so that mud cakes adhered to the filter plates can be removed manually or by means of a vibration device. Therefore, the existing filter pressing device needs manual assistance to pull a plurality of pressed filter pressing plates one by one to expose mud cakes and discharge the mud cakes, and the problems of long time consumption, poor overall continuity of operation and low efficiency exist. In order to solve the problems, the invention provides a filter pressing dehydration device for sludge treatment. Disclosure of Invention In order to achieve the above purpose, the present invention provides the following technical solutions: A filter pressing dehydration device for sludge treatment comprises a fixed component, a filter plate component and a force application component. The fixed subassembly includes two saddles that set up side by side along left and right directions. The filter plate assembly comprises a first filter plate and a second filter plate which are arranged side by side along the front-back direction, brackets are arranged on the left side and the right side of the first filter plate and the left side and the right side of the second filter plate, and the first filter plate and the second filter plate are lapped on the two supporting tables through the brackets and are positioned between the two supporting tables. The force application assembly comprises a pushing mechanism and two groups of lifting mechanisms, wherein the pushing mechanism is arranged on the fixed assembly and positioned at one side of the first filter plate, which is opposite to the second filter plate, and can push the first filter plate to be in contact with the second filter plate. The two groups of lifting mechanisms are respectively arranged on the outer side walls of the two pallets in a one-to-one correspondence manner and are connected with the pushing mechanisms, and the first filter plate and the second filter plate can be driven to be separated under the action of the pushing mechanisms. Preferably, each set of lifting mechanisms comprises a rack, a gear, a shaft and a cam. The rack is arranged on the outer side wall of the supporting table in a sliding manner and is connected with the pushing mechanism through a connecting rod, the rotating shaft is connected with the supporting table in a rotating manner, the gear is connected to the end part of the rotating shaft in an interference manner and meshed with the rack, the end part of the rotating shaft is also provided with a cam, the bracket on the side wall of the first filter plate is positioned on the rotating path of the cam, and the bottom of the bracket on the side wall of the first filter plate can be abutted when the cam rotates to drive the first filter plate to be separated from the second filter plate. Preferably, a guide groove is formed in the side wall of the supporting table, a sliding block is arranged in the guide groove in a sliding mode, and a rack is fixed on the sliding block. Preferably, the inner wall of the cam is sleeved with a pawl, a ratchet wheel is fixed on the peripheral wall of the rotating shaft, and the pawl is meshed with the ratchet wheel, so that the cam is arranged at the end part of the rotating shaft. Preferably, the end face of the distal end of the cam is provided with a tooth surface, the bottom of the bracket on the side wall of the first filter plate is provided with a tooth groove matched with the tooth surface, and when the cam is abutted against the bracket on the side wall of the first filter plate, the tooth surface is meshed with the tooth groove. Preferably, the pushing mechanism comprises a hydraulic cylinder and a pushing plate, the pushing plate is movably arranged on one side of the first filter plate, which is opposite to the second fil