Filter cloth recycling and cleaning method and device

Abstract

The invention relates to the technical field of sludge dewatering, and discloses a filter cloth recycling and cleaning method and device.The method comprises the following steps that S1, two layers of filter cloth after sludge is conveyed are conveyed into the filter cloth recycling and cleaning device; s2, the two layers of filter cloth are separated, and residual sludge residues on each layer of filter cloth are scraped away through a sludge scraping plate; s3, performing cleaning treatment on the two layers of filter cloth subjected to S2 through a tensioning mechanism, a cleaning mechanism and a low-vacuum suction box; and S4, recovering the cleaned filter cloth to a roller of the cloth rolling mechanism through cooperation of the leveling assembly and the cloth rolling mechanism, so as to complete cleaning and recovery of the filter cloth. Through the filter cloth recycling and cleaning device, two layers of filter cloth for clamping and conveying sludge are separated, sequentially pass through the sludge scraping plate, the tensioning mechanism, the cleaning mechanism and the low-vacuum water suction box and then are recycled to the cloth rolling mechanism on the leveling assembly, and through multiple modes for removing sludge residues on the filter cloth, the sludge residues remaining on the filter cloth are automatically removed. And the reuse efficiency of the recovered filter cloth is improved.

Description

Technical Field

[0001] The invention relates to the technical field of sludge dehydration, and in particular to a filter cloth recovery and cleaning method and device. Background Art

[0002] Sludge treatment is an important part of environmental protection, and sludge filter cloth plays a key role in the sludge dewatering process. Because the composition of sludge is complex, it contains a large amount of organic matter, inorganic matter, microorganisms and possible pathogens, etc. These substances form a layer of dirt on the filter cloth that is difficult to remove, which not only reduces the water permeability and air permeability of the filter cloth, but also may cause the filter cloth to be blocked, thereby affecting its ability to transport sludge; and incomplete cleaning will lead to a decrease in the reuse efficiency of the filter cloth, because the dirt layer will hinder the effective transmission of sludge, thereby affecting the efficiency of the entire sludge treatment system, and many sludge filter cloth recovery systems on the market rely on manual operation, with a low degree of automation and low recovery efficiency. Summary of the invention

[0003] In order to solve the problem that the dirt remaining on the filter cloth in the prior art affects the efficiency of filter cloth recovery and recycling, the present invention provides a filter cloth recovery and cleaning method and device.

[0004] The technical solution of the present invention is as follows:

[0005] The present invention provides a filter cloth recovery and cleaning method, comprising the following steps:

[0006] S1: The two layers of filter cloth after conveying the sludge are passed into the filter cloth recovery and cleaning device;

[0007] S2: Separate the two layers of filter cloth and scrape off the remaining sludge residue on each layer of filter cloth through a scraper;

[0008] S3: After S2 is implemented, the two layers of filter cloth are respectively cleaned through a tensioning mechanism, a cleaning mechanism, and a low vacuum water suction box;

[0009] S4: The cleaned filter cloth is recovered onto the drum of the cloth-winding mechanism through the cooperation of the leveling component and the cloth-winding mechanism, thereby completing the cleaning and recovery of the filter cloth.

[0010] The present invention also provides a filter cloth recovery and cleaning device, comprising a mounting frame, two groups of filter cloths overlapped one above the other, a tensioning mechanism arranged along the central axis of the mounting frame, a cleaning mechanism, a low vacuum water suction box and a leveling component.

[0011] The installation frame comprises an upper frame and a lower frame, wherein a group of tensioning mechanism, a cleaning mechanism, a low vacuum water suction box, and a leveling assembly are respectively arranged in the upper frame and the lower frame, and a cloth rolling mechanism is arranged on both groups of the leveling assemblies. Two groups of scrapers are arranged at one end of the installation frame close to the tensioning mechanism, and each group of scrapers is arranged on the same side of the upper frame and the lower frame respectively.

[0012] The two groups of filter cloths are inserted into the installation frame from one end where the upper frame is connected to the lower frame and pass through the leveling assembly, the low vacuum water suction box, the cleaning mechanism, and the tensioning mechanism in sequence, and then pass through the installation frame from the other end where the upper frame is connected to the lower frame to separate the two groups of filter cloths and pass through the scraper plates, the tensioning mechanism, the cleaning mechanism, and the low vacuum water suction box on the upper frame and the lower frame in sequence to reach the cloth rolling mechanism on the leveling assembly. The installation frame is provided with four groups of rolling rollers from top to bottom at one end close to the tensioning mechanism. The four groups of rolling rollers are arranged in parallel, and a group of scraper plates are respectively installed on the first group of rolling rollers and the fourth group of rolling rollers. The scraper openings of the two groups of scraper plates are arranged opposite to each other and extend to the second group of rolling rollers and the third group of rolling rollers respectively. The two groups of filter cloths pass out from between the second group of rolling rollers and the third group of rolling rollers, the upper filter cloth is wound around the first group of rolling rollers and the second group of rolling rollers to the tensioning mechanism of the upper frame, and the lower filter cloth is wound around the third group of rolling rollers and the fourth group of rolling rollers to the tensioning mechanism of the lower frame.

[0013] Furthermore, the tensioning mechanism is composed of a plurality of rollers arranged in a staggered manner, both ends of the plurality of rollers are connected to a mounting frame, and at least one of the rollers arranged on the tensioning mechanism can be adjusted up and down.

[0014] Furthermore, the cleaning mechanism is composed of an upper groove, a lower groove and a motor bracket, and a group of washing components are arranged in the upper groove and the lower groove, each group of the washing components includes a roller brush, a spray pipe and a driving motor, and the two groups of the washing components are arranged in the cleaning mechanism relative to each other in the movement direction of the filter cloth, the driving motor is connected to one end of the roller brush, the spray pipe is externally connected to a water inlet pipe, the motor bracket is located above the upper groove, and the upper groove is also provided with a fixed roller, and the outer ring of the fixed roller is provided with a threaded part, and the filter cloth goes from the outside of the fixed roller to the inside of the fixed roller and enters the cleaning mechanism.

[0015] Furthermore, the drive motors on the upper and lower troughs are arranged outside the trough body, the drive motor arranged on the upper trough is fixed on the motor bracket, the drive motor arranged on the lower trough is fixed on the mounting frame, and a drainage outlet is arranged on one side of the lower trough.

[0016] Furthermore, the motor bracket is arranged on the mounting frame by connecting four groups of sliding components, each group of the sliding components includes a slide rail and a slider, the slider is arranged on the slide rail, the slide rail is installed on the mounting frame, and the slider is connected to the motor bracket.

[0017] Furthermore, a group of cylinders are connected to both sides of the motor bracket, the upper ends of the cylinders are connected to the motor bracket, and the lower ends of the cylinders are fixed to the mounting frame.

[0018] Furthermore, the cloth rolling mechanism consists of a cloth rolling mounting bracket, a roller and a cloth rolling motor, the cloth rolling mounting bracket is arranged at one end of the mounting frame through a leveling component, the roller is installed on the cloth rolling mounting bracket, and the cloth rolling motor is installed at one end of the roller.

[0019] Furthermore, the leveling assembly consists of a correcting bracket, a photoelectric sensor and a leveling motor, the photoelectric sensor is connected to the leveling motor, the leveling motor is installed at one end of the correcting bracket, four groups of adjustment parts are provided on the correcting bracket, and the correcting bracket is connected to the cloth rolling mounting bracket through the four groups of adjustment parts.

[0020] Furthermore, a collecting box is provided at the lower end of the two groups of scraper blades, the collecting box is installed on one side of the mounting frame, and an opening is provided on the collecting box.

[0021] The beneficial effects of the present invention include at least: separating the two layers of filter cloth that entrain the sludge through the filter cloth recovery and cleaning device, and recovering them to the cloth rolling mechanism on the leveling component after passing through the scraper, tensioning mechanism, cleaning mechanism, and low vacuum water suction box in sequence; and realizing automatic removal of the sludge residue remaining on the filter cloth through a variety of methods of removing the sludge residue on the filter cloth, thereby improving the efficiency of recovering the filter cloth. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The present invention provides a schematic diagram of the overall structure of a filter cloth recovery and cleaning device.

[0023] Figure 2 A schematic diagram of the filter cloth direction structure of a filter cloth recovery and cleaning device provided by the present invention.

[0024] Figure 3 A first-view structural schematic diagram of a cleaning mechanism of a filter cloth recovery and cleaning device provided by the present invention.

[0025] Figure 4 A second perspective structural schematic diagram of a cleaning mechanism of a filter cloth recovery and cleaning device provided by the present invention.

[0026] Figure 5 A schematic diagram of the lower tank structure of a cleaning mechanism of a filter cloth recovery and cleaning device provided by the present invention.

[0027] Figure 6 A schematic diagram of the upper tank structure of a cleaning mechanism of a filter cloth recovery and cleaning device provided by the present invention.

[0028] Figure 7A schematic structural diagram of a leveling component-cloth rolling mechanism of a filter cloth recovery and cleaning device provided by the present invention.

[0029] Figure 8 A partial enlarged view of a scraper blade of a filter cloth recovery and cleaning device provided by the present invention.

[0030] Among them: 1-installation frame; 101-upper frame; 102-lower frame; 2-filter cloth; 3-tensioning mechanism; 4-cleaning mechanism; 401-upper trough; 402-lower trough; 403-motor bracket; 404-roller brush; 405-spray pipe; 406-drive motor; 407-fixed roller; 408-threaded part; 409-drain port; 410-water inlet pipe; 411-sliding assembly; 412-slide rail; 413-sliding block; 414-cylinder; 5-low vacuum water suction box; 501-drain port; 6-leveling assembly; 601-correction bracket; 602-photoelectric sensor; 603-leveling motor; 7-cloth rolling mechanism; 701-cloth rolling mounting bracket; 702-roller; 703-cloth rolling motor; 8-scraper; 9-rolling roller; 10-collection box. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] The present invention provides a filter cloth recovery and cleaning method, comprising the following steps:

[0033] S1: The two layers of filter cloth after conveying the sludge are passed into the filter cloth recovery and cleaning device;

[0034] S2: Separate the two layers of filter cloth and scrape off the remaining sludge residue on each layer of filter cloth through a scraper;

[0035] S3: After S2 is implemented, the two layers of filter cloth are respectively cleaned through a tensioning mechanism, a cleaning mechanism, and a low vacuum water suction box;

[0036] S4: The cleaned filter cloth is recovered onto the drum of the cloth-winding mechanism through the cooperation of the leveling component and the cloth-winding mechanism, thereby completing the cleaning and recovery of the filter cloth.

[0037] Combination Figure 1As shown, the present invention also provides a filter cloth 2 recovery and cleaning device, comprising a mounting frame 1, two groups of filter cloths 2 overlapped up and down, a tensioning mechanism 3 arranged along the central axis of the mounting frame 1, a cleaning mechanism 4, a low vacuum water suction box 5 and a leveling component 6,

[0038] The installation frame 1 includes an upper frame 101 and a lower frame 102. A set of tensioning mechanism 3, a cleaning mechanism 4, a low vacuum water suction box 5, and a leveling component 6 are respectively arranged in the upper frame 101 and the lower frame 102. A cloth rolling mechanism 7 is arranged on both sets of the leveling components 6. Two sets of scraper blades 8 are arranged at one end of the installation frame 1 close to the tensioning mechanism 3. Each set of the scraper blades 8 is respectively arranged on the same side of the upper frame 101 and the lower frame 102.

[0039] The two groups of filter cloths 2 are inserted into the installation frame 1 from one end where the upper frame 101 and the lower frame 102 are connected, and pass through the leveling component 6, the low vacuum water suction box 5, the cleaning mechanism 4, and the tensioning mechanism 3 in sequence, and then pass out of the installation frame 1 from the other end where the upper frame 101 and the lower frame 102 are connected, and the two groups of filter cloths 2 are separated and respectively pass through the scraper 8, the tensioning mechanism 3, the cleaning mechanism 4, and the low vacuum water suction box 5 arranged on the upper frame 101 and the lower frame 102 in sequence to reach the cloth rolling mechanism 7 on the leveling component 6. A drainage port 501 is arranged on one side of the low vacuum water suction box 5, as shown in FIG. Figure 8 As shown, four groups of rolling rollers 9 are arranged from top to bottom at one end of the mounting frame 1 close to the tensioning mechanism 3, and the four groups of rolling rollers 9 are arranged in parallel. A group of scraper plates 8 are respectively installed on the first group of rolling rollers 9 and the fourth group of rolling rollers 9, and the scraper openings of the two groups of scraper plates 8 are arranged opposite to each other and extend to the second group of rolling rollers 9 and the third group of rolling rollers 9 respectively. Two groups of filter cloths 2 pass through between the second group of rolling rollers 9 and the third group of rolling rollers 9, and the upper filter cloth 2 is wound from between the first group of rolling rollers 9 and the second group of rolling rollers 9 to the tensioning mechanism 3 of the upper frame 101, and the lower filter cloth 2 is wound from between the third group of rolling rollers 9 and the fourth group of rolling rollers 9 to the tensioning mechanism 3 of the lower frame 102, and a handle is arranged on one end of the first group of rolling rollers 9 and the fourth group of rolling rollers 9.

[0040] like Figure 2 As shown, two groups of rollers are arranged between the low vacuum water suction box 5 and the cloth rolling mechanism 7. The filter cloth 2 passes around the two groups of rollers in an alternating manner and reaches the cloth rolling mechanism 7 on the leveling component 6. The cloth rolling mechanism 7 recycles the filter cloth 2.

[0041] Furthermore, if Figure 2As shown, the tensioning mechanism 3 is composed of a plurality of rollers arranged at different heights, and both ends of the plurality of rollers are connected to the mounting frame 1. At least one of the rollers arranged on the tensioning mechanism 3 can be adjusted up and down, and adjustment mechanisms are arranged on both sides of the rollers that can be adjusted up and down. The adjustment mechanism can adopt a device of a slide rail and a slider, the slide rail is arranged on the mounting frame 1, the slider is fixed to the roller, and the slide rail and the slider cooperate to adjust the height of the roller.

[0042] Furthermore, if Figure 3-6 As shown, the cleaning mechanism 4 is composed of an upper groove 401, a lower groove 402 and a motor bracket 403, and a group of washing components are arranged in the upper groove 401 and the lower groove 402, each group of the washing components includes a roller brush 404, a spray pipe 405 and a driving motor 406, and the two groups of the washing components are relatively arranged in the cleaning mechanism 4 in the moving direction of the filter cloth 2. The driving motor 406 is connected to one end of the roller brush 404, and the spray pipe 405 is externally connected to a water inlet pipe 410. The motor bracket 403 is located above the upper groove 401, and the upper groove 401 is also provided with a fixed roller 407, and the outer ring of the fixed roller 407 is provided with a threaded member 408, and the filter cloth 2 goes from the outside of the fixed roller 407 around the inside of the fixed roller 407 to enter the cleaning mechanism 4.

[0043] Furthermore, the driving motors 406 on the upper trough 401 and the lower trough 402 are arranged on the outside of the trough body, the driving motor 406 arranged on the upper trough 401 is fixed on the motor bracket 403, and the driving motor 406 arranged on the lower trough 402 is fixed on the mounting frame 1, and a drain outlet 409 is arranged on one side of the lower trough 402.

[0044] Furthermore, the motor bracket 403 is arranged on the mounting frame 1 by connecting four groups of sliding components 411, each group of sliding components 411 includes a slide rail 412 and a slider 413, the slider 412 is arranged on the slide rail 412, the slide rail 412 is installed on the mounting frame 1, and the slider 413 is connected to the motor bracket 403.

[0045] Furthermore, a group of cylinders 414 are connected to both sides of the motor bracket 403 , the upper ends of the cylinders 414 are connected to the motor bracket 403 , and the lower ends of the cylinders 414 are fixed to the mounting frame 1 .

[0046] Furthermore, if Figure 7 As shown, the cloth rolling mechanism 7 is composed of a cloth rolling mounting bracket 701, a roller 702 and a cloth rolling motor 703. The cloth rolling mounting bracket 701 is arranged at one end of the mounting frame 1 through a leveling component 6, the roller 702 is mounted on the cloth rolling mounting bracket 701, and the cloth rolling motor 703 is mounted at one end of the roller 702. The cloth rolling motor 703 drives the roller 702 to rotate and recycles the cleaned filter cloth 2.

[0047] Furthermore, if Figure 7 As shown, the leveling assembly 6 is composed of a deflection correction bracket 401, a photoelectric sensor 602 and a leveling motor 603. The photoelectric sensor 602 is connected to the leveling motor 603. The leveling motor 603 is installed at one end of the deflection correction bracket 401. Four sets of adjustment members are arranged on the deflection correction bracket 401. The deflection correction bracket 401 is connected to the cloth rolling mounting bracket 701 through the four sets of adjustment members. The leveling motor 603 adjusts the deflection correction bracket 401 according to the travel angle of the filter cloth 2 detected by the photoelectric sensor 602. The adjustment member can be composed of a slide rail and a slider. The slide rail is arranged on the deflection correction bracket 401. The slider is connected to the cloth rolling mounting bracket 701. The slider can slide back and forth on the slide rail.

[0048] Furthermore, a collecting box 10 is provided at the lower end of the two groups of scraper blades 8 . The collecting box 10 is installed on one side of the mounting frame 1 , and an opening is provided on the collecting box 10 .

[0049] By using the filter cloth 2 recovery and cleaning device provided by the present invention, the two layers of filter cloth 2 conveying sludge are firstly scraped off with the scraper plate 8 to remove the sludge adsorbed on each layer of filter cloth 2, and then the filter cloth 2 is cleaned and water is absorbed by the tensioning mechanism 3, the cleaning mechanism 4 and the low vacuum water absorption box 5, and then the filter cloth 2 is recovered to the cloth rolling mechanism 7.

[0050] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

[0051] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A filter cloth recovery and cleaning method, characterized in that: The following steps are involved: S1: The two layers of filter cloth after conveying the sludge are passed into the filter cloth recovery and cleaning device; S2: Separate the two layers of filter cloth and scrape off the remaining sludge residue on each layer of filter cloth through a scraper; S3: After S2 is implemented, the two layers of filter cloth are respectively cleaned through a tensioning mechanism, a cleaning mechanism, and a low vacuum water suction box; S4: The cleaned filter cloth is recovered onto the drum of the cloth-winding mechanism through the cooperation of the leveling component and the cloth-winding mechanism, thereby completing the cleaning and recovery of the filter cloth.

2. A filter cloth recovery and cleaning device, characterized in that: It includes a mounting frame, two sets of overlapping filter cloths, a tensioning mechanism arranged along the central axis of the mounting frame, a cleaning mechanism, a low vacuum water suction box and a leveling component. The installation frame comprises an upper frame and a lower frame, wherein a group of tensioning mechanism, a cleaning mechanism, a low vacuum water suction box, and a leveling assembly are respectively arranged in the upper frame and the lower frame, and a cloth rolling mechanism is arranged on both groups of the leveling assemblies. Two groups of scrapers are arranged at one end of the installation frame close to the tensioning mechanism, and each group of scrapers is arranged on the same side of the upper frame and the lower frame respectively. The two groups of filter cloths are inserted into the installation frame from one end where the upper frame is connected to the lower frame and pass through the leveling component, the low vacuum water suction box, the cleaning mechanism, and the tensioning mechanism in sequence, and then pass out of the installation frame from the other end where the upper frame is connected to the lower frame to separate the two groups of filter cloths and pass through the scraper plates, tensioning mechanism, cleaning mechanism, and low vacuum water suction box arranged on the upper frame and the lower frame in sequence to reach the cloth rolling mechanism on the leveling component. A drainage port is arranged on the low vacuum water suction box.

3. The filter cloth recovery and cleaning device according to claim 2, characterized in that: The tensioning mechanism is composed of a plurality of rollers arranged in a staggered manner, and both ends of the plurality of rollers are connected to a mounting frame. At least one of the rollers arranged on the tensioning mechanism can be adjusted up and down.

4. The filter cloth recovery and cleaning device according to claim 2, characterized in that: The cleaning mechanism consists of an upper trough, a lower trough and a motor bracket. A group of washing components are arranged in the upper trough and the lower trough. Each group of washing components includes a roller brush, a spray pipe and a driving motor. Two groups of washing components are arranged in the cleaning mechanism relative to each other in the movement direction of the filter cloth. The driving motor is connected to one end of the roller brush. The spray pipe is externally connected to a water inlet pipe. The motor bracket is located above the upper trough. The upper trough is also provided with a fixed roller. The outer ring of the fixed roller is provided with a threaded member. The filter cloth goes from the outside of the fixed roller around to the inside of the fixed roller and enters the cleaning mechanism.

5. The filter cloth recovery and cleaning device according to claim 4, characterized in that: The driving motors on the upper and lower troughs are arranged outside the trough body, the driving motor arranged on the upper trough is fixed on the motor bracket, the driving motor arranged on the lower trough is fixed on the mounting frame, and a drainage port is arranged on one side of the lower trough.

6. The filter cloth recovery and cleaning device according to claim 5, characterized in that: The motor bracket is arranged on the installation frame by connecting four groups of sliding components, each group of the sliding components includes a slide rail and a slider, the slider is arranged on the slide rail, the slide rail is installed on the installation frame, and the slider is connected to the motor bracket.

7. The filter cloth recovery and cleaning device according to claim 6, characterized in that: A group of cylinders are connected to both sides of the motor bracket, the upper ends of the cylinders are connected to the motor bracket, and the lower ends of the cylinders are fixed on the mounting frame.

8. The filter cloth recovery and cleaning device according to claim 1, characterized in that: The cloth rolling mechanism consists of a cloth rolling mounting bracket, a roller and a cloth rolling motor. The cloth rolling mounting bracket is arranged at one end of the mounting frame through a leveling component, the roller is installed on the cloth rolling mounting bracket, and the cloth rolling motor is installed at one end of the roller.

9. The filter cloth recovery and cleaning device according to claim 8, characterized in that: The leveling assembly consists of a correcting bracket, a photoelectric sensor and a leveling motor. The photoelectric sensor is connected to the leveling motor. The leveling motor is installed at one end of the correcting bracket. Four groups of adjusting parts are provided on the correcting bracket. The correcting bracket is connected to the cloth rolling mounting bracket through the four groups of adjusting parts.

10. The filter cloth recovery and cleaning device according to claim 2, characterized in that: A collecting box is provided at the lower end of the two groups of scraper blades, and the collecting box is installed on one side of the mounting frame. An opening is provided on the collecting box. Four groups of rolling rollers are provided from top to bottom at one end of the mounting frame close to the tensioning mechanism. The four groups of rolling rollers are arranged in parallel, and a group of scraper blades are respectively installed on the first group of rolling rollers and the fourth group of rolling rollers. The scraper openings of the two groups of scraper blades are arranged opposite to each other and extend to the second group of rolling rollers and the third group of rolling rollers respectively. Two groups of filter cloths pass through between the second group of rolling rollers and the third group of rolling rollers, the upper filter cloth is wound from between the first group of rolling rollers and the second group of rolling rollers to the tensioning mechanism of the upper frame, and the lower filter cloth is wound from between the third group of rolling rollers and the fourth group of rolling rollers to the tensioning mechanism of the lower frame.

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