CN211158840U

CN211158840U - Automatic cleaning mechanism for filter cloth of filter press

Info

Publication number: CN211158840U
Application number: CN201922038615.4U
Authority: CN
Inventors: 卢明; 田尾浩一
Original assignee: Shiyuan Environmental Machinery Suzhou Co ltd
Current assignee: Shiyuan Environmental Machinery Suzhou Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-08-04
Anticipated expiration: 2029-11-22

Abstract

The utility model relates to an automatic cleaning mechanism for filter cloth of a filter press, which comprises a walking unit, a cleaning unit and a control unit; the walking unit comprises two guide rails horizontally arranged on the side surface of the filter press, a walking frame arranged on the two guide rails in a sliding manner, and a belt driving device for driving the walking frame to slide along the guide rails; the cleaning unit comprises a lifting frame arranged at the bottom of the walking frame in a sliding manner, a lifting cylinder used for driving the lifting frame to move up and down, a water inlet pipe arranged on the lifting frame and placed in parallel with the filter cloth, and a plurality of high-pressure nozzles arranged on the side wall of the water inlet pipe; the utility model discloses a walking unit can drive the cleaning unit and wash the filter cloth one by one, has improved work efficiency, and when wasing, the filter cloth passes through the pressure filter and drives can autogiration a week, washs cleaner to have advantages such as simple structure is compact, low in production cost.

Description

Automatic cleaning mechanism for filter cloth of filter press

Technical Field

The utility model relates to a sludge treatment field refers in particular to a pressure filter cloth self-cleaning mechanism.

Background

The filter press is used as mature dewatering equipment, is widely applied to the field of environmental protection, and becomes important equipment for sewage and sludge treatment. The filter cloth of the filter press occupies an important position in the whole filter press equipment, the separation and filtration processes of various filter materials pass through the filter cloth, and under the long-term work, the filter cake can not be completely separated from the filter cloth due to various factors such as material viscosity, filter cloth material and the like, and residual filter residue is certainly generated on the filter cloth, so the filter cloth of the filter press needs to be cleaned when the residual filter residue reaches a certain amount, otherwise, the filtration rate and the effect are certainly influenced. At present, filter cloth of each filter factory in China is generally cleaned by manual high-pressure water, or is disassembled from a filter plate for cleaning, so that the working efficiency is low, the labor intensity is high, and the filter cloth cannot be cleaned completely; although filter press filter cloth cleaning devices also appear in the market, such as a filter press filter cloth cleaning device disclosed in the prior art 200820118714.2, a filter press filter cloth cleaning machine disclosed in the prior art 201020628777.X, an automatic filter cloth cleaning machine disclosed in the prior art 201220591497.5, a filter press filter cloth cleaning condition monitoring system disclosed in the prior art 201821841707.5 and the like, wherein cleaning mechanisms are all arranged above the filter press, so that the overall height of the equipment is greatly increased; the filter cloth cleaning system of the filter press is provided with a plurality of parallel and equidistant branch pipes as disclosed in the prior art 201920074906.6, thereby greatly increasing the production cost; in addition, as the filter cloth automatic-walking cleaning filter press disclosed by the prior art 201820450882.5, the cleaning mechanism cannot be accurately positioned with the filter plate in the walking process, and the cleaning effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide an automatic cleaning mechanism for filter cloth of a filter press.

In order to achieve the above purpose, the utility model adopts the technical scheme that: an automatic filter cloth cleaning mechanism of a filter press comprises a walking unit, a cleaning unit and a control unit for controlling the walking unit and the cleaning unit to work; the walking unit comprises two guide rails horizontally arranged on the side surface of the filter press, a walking frame arranged on the two guide rails in a sliding manner, a belt driving device horizontally arranged on the side surface of the filter press and used for driving the walking frame to slide along the guide rails, and a tank chain, two ends of which are respectively connected with the control unit and the walking frame; the cleaning unit comprises a lifting frame arranged at the bottom of the walking frame in a sliding manner, a lifting cylinder vertically arranged on the walking frame and used for driving the lifting frame to move up and down, at least one water inlet pipe arranged on the lifting frame and placed in parallel with the filter cloth, a hose with one end communicated with the water inlet pipe and the other end communicated with the high-pressure water pump through a tank chain, and a plurality of high-pressure nozzles arranged on the side wall of the water inlet pipe; the high-pressure nozzles are uniformly arranged at intervals along the length direction of the water inlet pipe and all point to the filter cloth.

Preferably, the device further comprises a positioning unit; the positioning unit comprises a plurality of induction sheets which are arranged on the side surface of the filter press and correspond to the filter plate in the filter press, and at least one inductor which is arranged at the upper end of the walking frame and is matched with the induction sheets.

Preferably, the lifting frame is provided with a support rod which is arranged in parallel with the filter cloth; the water inlet pipe is fixed on the support rod.

Preferably, the side surface of the filter press is provided with a passageway; a clamping groove is formed in one side of the passageway; the control unit is arranged at one end of the passageway, and the tank chain is arranged in the clamping groove.

Preferably, the belt drive is arranged between two guide rails.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

1. the utility model can drive the cleaning unit to clean the filter cloth one by one through the walking unit, thereby improving the working efficiency, and when cleaning, the filter cloth can automatically rotate for a circle through the driving of the filter press, the cleaning is cleaner, and the device has the advantages of simple and compact structure, low production cost and the like;

2. the utility model discloses a set up the response piece that corresponds with the filter plate position in the pressure filter side for the cleaning unit location is more accurate, has further improved the cleaning performance.

Drawings

The technical scheme of the utility model is further explained by combining the attached drawings as follows:

FIG. 1 is an installation schematic diagram of the automatic filter cloth cleaning mechanism of the filter press of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a side view of the automatic filter cloth cleaning mechanism of a filter press according to the present invention;

fig. 4 is a schematic structural diagram of the cleaning unit of the present invention.

Wherein: 1. a filter press; 2. a traveling unit; 21. a guide rail; 22. a belt drive; 23. a walking frame; 24. a tank chain; 25. an inductor; 26. an induction sheet; 3. a cleaning unit; 31. a lifting cylinder; 32. a lifting frame; 33. a support bar; 34. a water inlet pipe; 35. a high pressure nozzle; 4. an aisle; 41. a card slot; 5. a control unit.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1-4 show an automatic cleaning mechanism for filter cloth of a filter press according to the present invention, which comprises a walking unit 2, a cleaning unit 3, and a control unit 5 for controlling the walking unit 2 and the cleaning unit 3; the walking unit 2 comprises two guide rails 21 horizontally arranged on the side surface of the filter press 1, a walking frame 23 arranged on the two guide rails 21 in a sliding manner, a belt driving device 22 horizontally arranged on the side surface of the filter press 1 and used for driving the walking frame 23 to slide along the guide rails 21, and a tank chain 24 with two ends respectively connected with the control unit 5 and the walking frame 23; the cleaning unit 3 comprises a lifting frame 32 arranged at the bottom of the traveling frame 23 in a sliding manner, a lifting cylinder 31 vertically arranged on the traveling frame 23 and used for driving the lifting frame 32 to move up and down, two water inlet pipes 34 arranged on the lifting frame 32 and placed in parallel with the filter cloth, two hoses with one ends communicated with the water inlet pipes 34 and the other ends communicated with a high-pressure water pump through the tank chains 24, and a plurality of high-pressure nozzles 35 arranged on the side walls of the water inlet pipes 34; the high-pressure nozzles 35 are uniformly arranged at intervals along the length direction of the water inlet pipe 34 and all point to the filter cloth; when in work: firstly, the filter press 1 is controlled to pull a plurality of filter plates open, and then the belt driving device 22 drives the cleaning unit 3 to move to the first filter plate for cleaning; the specific cleaning process comprises the following steps: the lifting cylinder 31 drives the water inlet pipe 34 to move upwards by the precursor lifting frame 32, the high-pressure water pump is started to be close to the bottom of the filter cloth, the filter cloth is cleaned by the high-pressure nozzles 35, and the filter cloth can automatically rotate for one circle by the driving of the filter press 1 during cleaning, so that the filter cloth is cleaned more cleanly; after cleaning, the lifting cylinder 31 drives the lifting frame 32 to drive the water inlet pipe 34 to move downwards and return to the initial position (to prevent the water inlet pipe 34 from colliding with parts in the filter press 1 in the moving process of the cleaning unit 3), and the belt driving device 22 drives the cleaning unit 3 to move to the second filter plate for cleaning, and so on until all the filter cloth is cleaned; the controller is prior art and therefore the internal structure will not be described.

Further, the device also comprises a positioning unit; the positioning unit comprises a plurality of sensing pieces 26 which are arranged on the side surface of the filter press 1 and correspond to the positions of filter plates in the filter press 1, and two sensors 25 which are arranged at the upper end of the walking frame 23 and are matched with the sensing pieces 26; when in work: when the belt driving device 22 drives the cleaning unit 3 to move to the vicinity of the filter plate, the belt driving device 22 is stopped only when the two sensors 25 detect signals simultaneously, so that the cleaning unit 3 can be positioned more accurately, and the cleaning effect is further improved.

Further, a support rod 33 which is arranged in parallel with the filter cloth is arranged on the lifting frame 32; two inlet tube 34 all fixes on bracing piece 33, plays the supporting role through bracing piece 33, improves inlet tube 34's the life-span of accepting.

Further, a passageway 4 is arranged on the side surface of the filter press 1; a clamping groove 41 is arranged on one side of the passageway 4; the control unit 5 is arranged at one end of the passageway 4, the tank chain 24 is arranged in the clamping groove 41, and the tank chain 24 can be effectively prevented from shifting in the motion process through the clamping groove 41, so that the limiting effect is achieved.

Further, the belt driving device 22 is arranged between the two guide rails 21, so that the stress is more uniform, and the phenomenon of jamming of the walking frame 23 in the motion process can be effectively avoided.

The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims

1. The utility model provides a pressure filter cloth self-cleaning mechanism which characterized in that: comprises a walking unit, a cleaning unit and a control unit for controlling the walking unit and the cleaning unit to work; the walking unit comprises two guide rails horizontally arranged on the side surface of the filter press, a walking frame arranged on the two guide rails in a sliding manner, a belt driving device horizontally arranged on the side surface of the filter press and used for driving the walking frame to slide along the guide rails, and a tank chain, two ends of which are respectively connected with the control unit and the walking frame; the cleaning unit comprises a lifting frame arranged at the bottom of the walking frame in a sliding manner, a lifting cylinder vertically arranged on the walking frame and used for driving the lifting frame to move up and down, at least one water inlet pipe arranged on the lifting frame and placed in parallel with the filter cloth, a hose with one end communicated with the water inlet pipe and the other end communicated with the high-pressure water pump through a tank chain, and a plurality of high-pressure nozzles arranged on the side wall of the water inlet pipe; the high-pressure nozzles are uniformly arranged at intervals along the length direction of the water inlet pipe and all point to the filter cloth.

2. The automatic filter press cloth cleaning mechanism according to claim 1, wherein: the device also comprises a positioning unit; the positioning unit comprises a plurality of induction sheets which are arranged on the side surface of the filter press and correspond to the filter plate in the filter press, and at least one inductor which is arranged at the upper end of the walking frame and is matched with the induction sheets.

3. The automatic filter press cloth cleaning mechanism according to claim 1 or 2, wherein: the lifting frame is provided with a supporting rod which is arranged in parallel with the filter cloth; the water inlet pipe is fixed on the support rod.

4. The automatic filter cloth cleaning mechanism for filter presses according to claim 3, wherein: the side surface of the filter press is provided with a passageway; a clamping groove is formed in one side of the passageway; the control unit is arranged at one end of the passageway, and the tank chain is arranged in the clamping groove.

5. The automatic filter cloth cleaning mechanism for filter presses according to claim 4, wherein: the belt driving device is arranged between the two guide rails.