Uniform sludge discharge device based on anaerobic digestion

Abstract

The utility model discloses a uniform sludge discharge device based on anaerobic digestion, which relates to the field of sludge discharge of anaerobic digestion and comprises a device body, a collecting pipe is mounted at the bottom of the side edge of the outer wall of the device body, an industrial water inlet pipe is mounted at the top of the collecting pipe, and a sludge pump is mounted on the side edge of the collecting pipe. A reamer is rotationally connected to the bottom of an inner cavity of the device body, scraping plates are symmetrically and movably connected to the two sides of the reamer, cleaning assemblies are movably connected to the outer walls of the scraping plates, and driving assemblies are installed at the tops of the scraping plates. According to the uniform sludge discharge device based on anaerobic digestion disclosed by the utility model, through the arranged reamer, after the first valve or the second valve is opened, the uniform sludge discharge device can automatically rotate through suction force, so that the reamer can drive sludge to stir, and therefore, smooth sludge discharge and no suction dead angle can be started, and the problem of dry suction in the past can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of sludge discharge of anaerobic digestion, especially relates to a uniform sludge discharge device based on anaerobic digestion. BACKGROUND

[0002] In the anaerobic digestion process, the sludge quantity in the system increases due to the continuous reproduction of microorganisms and the long-term accumulation of non-degradable suspended solids in the influent. Most traditional anaerobic reactors use perforated pipes for multi-point sludge discharge. Since the sludge discharge pipes are mainly arranged at the bottom of the anaerobic tank, the sludge fluidized bed is relatively viscous. This method is prone to blockage at the opening position of the perforated pipe, causing uneven sludge discharge, dead angles, and the inability to suck out the sludge and sand, etc. This affects the safe and stable operation of the anaerobic tank.

[0003] Therefore, it is necessary to propose a uniform sludge discharge device based on anaerobic digestion to solve the above problems. SUMMARY

[0004] The main purpose of the utility model is to provide a uniform sludge discharge device based on anaerobic digestion, which can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] A uniform sludge discharge device based on anaerobic digestion, comprising a device body, a flow collection pipe is installed at the bottom of the side edge of the outer wall of the device body, an industrial water inlet pipe is installed at the top of the flow collection pipe, a sludge pump is installed at the side edge of the flow collection pipe, a reamer is rotatably connected to the bottom of the inner cavity of the device body, two scrapers are movably connected to the two sides of the reamer, a cleaning assembly is movably connected to the outer wall of the scraper, and a driving assembly is installed at the top of the scraper.

[0007] Preferably, a second valve is flange-connected to the outer wall of the industrial water inlet pipe, a first valve is flange-connected to the sludge pump, and the sludge pump and the industrial water inlet pipe are communicated with the inner cavity of the device body through the flow collection pipe.

[0008] Preferably, a rotating shaft is installed in the center of the inner cavity of the reamer, the rotating shaft is rotatably connected to the bottom of the inner cavity of the device body, a bearing seat is installed on the outer wall of the rotating shaft, the bearing seat is installed at the bottom of the inner cavity of the device body, connecting rods are symmetrically installed on the two sides of the bottom of the two scrapers opposite to each other;

[0009] The outer wall of the reamer is provided with a mud discharging assembly, the outer wall of the mud discharging assembly is provided with twelve mud suction pipes, the twelve mud suction pipes are uniformly arranged on the outer wall of the mud discharging assembly, the inner cavity of the mud discharging assembly is communicated with the inner cavity of the device body through the mud suction pipes, and the industrial water inlet pipe is arranged on the top of the mud discharging assembly through the utility pipe.

[0010] Preferably, the scraper is attached to the inner wall of the device body, the cleaning assembly is attached to both ends of the scraper, the side of the cleaning assembly is provided with a connecting seat, and the connecting seat is attached to the side of the scraper close to the center of the device body.

[0011] Preferably, the top of the driving assembly is provided with a servo motor, the inner cavity of the driving assembly is provided with a belt, the inner cavity of the belt is provided with two belt pulleys, the bottoms of the two belt pulleys are symmetrically provided with two lead screws, and the two lead screws are rotationally connected in the inner cavity of the scraper.

[0012] Preferably, the side opposite to the adjacent side of the cleaning assembly is provided with a movable block, the movable block is movably connected in the inner cavity of the scraper and is threadedly connected to the outer wall of the lead screw, both ends of the scraper are symmetrically provided with movable grooves, the top and the bottom of the inner cavity of the movable groove are symmetrically provided with waterproof elastic bands, and the other end of the waterproof elastic band is arranged on the outer wall of the movable block.

[0013] Compared with the prior art, the utility model has the advantages of the following:

[0014] 1. The uniform mud discharging device based on anaerobic digestion, by setting the second valve and the first valve, can control the sludge pump and the industrial water inlet pipe, so as to facilitate the hydraulic rotation, dilution and discharge of viscous sludge, and by opening the first valve, the sludge after dilution can be discharged by cooperating with the sludge pump.

[0015] 2. The uniform mud discharging device based on anaerobic digestion, by setting the reamer, when the first valve or the second valve is opened, the reamer can drive the sludge to stir through suction force, so as to start the mud discharging, suction without dead angle and solve the problem of dry suction in the past, when the reamer rotates, the scraper can be driven to rotate through the connecting rod, so that the scraper can clean the inner wall of the device body, so as to avoid the accumulation of sludge on the inner wall of the device body, and the residual sludge can be avoided.

[0016] 3. The uniform sludge discharge device based on anaerobic digestion, through the starting of the servo motor, the belt and the pulley can be driven, so that the two lead screws can be driven to rotate, at this time, the movable block can be threadedly connected with the lead screw, so that the cleaning assembly can drive the connecting seat to move up and down on the outer wall of the scraper, based on which the outer wall of the scraper can be cleaned in all directions, and the sludge can be prevented from accumulating on the outer wall of the scraper, so that the scraper can continuously work in the inner cavity of the device body. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is the overall structure schematic diagram of the utility model;

[0018] Figure 2 is the structure schematic diagram of the reamer of the utility model;

[0019] Figure 3 is the structure schematic diagram of the driving assembly of the utility model;

[0020] Figure 4 is the structure schematic diagram of the cleaning assembly of the utility model.

[0021] In the figure: 1, device body;2, manifold;3, industrial water inlet pipe;4, sludge pump;5, first valve;6, scraper;7, connecting rod;8, bearing seat;9, reamer;10, driving assembly;11, servo motor;12, belt;13, pulley;14, cleaning assembly;15, connecting seat;16, movable block;17, lead screw;18, waterproof elastic band;19, second valve. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0023] For example Figures 1-4As shown, an anaerobic digestion-based uniform sludge discharge device includes a device body 1, a manifold 2 mounted at the bottom of the side edge of the outer wall of the device body 1, an industrial water inlet pipe 3 mounted at the top of the manifold 2, a sludge pump 4 mounted at the side edge of the manifold 2, a reamer 9 rotatably connected at the bottom of the inner cavity of the device body 1, a scraper 6 symmetrically movably connected at both sides of the reamer 9, a cleaning assembly 14 movably connected at the outer wall of the scraper 6, a driving assembly 10 mounted at the top of the scraper 6, a second valve 19 flange-connected at the outer wall of the industrial water inlet pipe 3, a first valve 5 flange-connected at the sludge pump 4, the sludge pump 4 and the industrial water inlet pipe 3 communicated with the inner cavity of the device body 1 through the manifold 2, a rotating shaft mounted in the center of the inner cavity of the reamer 9, the rotating shaft rotatably connected at the bottom of the inner cavity of the device body 1, a bearing seat 8 mounted at the bottom of the inner cavity of the device body 1, a connecting rod 7 symmetrically mounted at both sides of the rotating shaft, two connecting rods 7 symmetrically mounted at the bottom of the opposite side of the two scrapers 6, the scraper 6 abutting against the inner wall of the device body 1, the cleaning assembly 14 abutting against both ends of the scraper 6, a connecting seat 15 mounted at the side edge of the cleaning assembly 14, the connecting seat 15 abutting against the side of the scraper 6 close to the center of the device body 1, a servo motor 11 mounted at the top of the driving assembly 10, a belt 12 mounted in the inner cavity of the driving assembly 10, a belt pulley 13 mounted at both sides of the inner cavity of the belt 12, a lead screw 17 symmetrically mounted at the bottom of the two belt pulleys 13, the two lead screws 17 rotatably connected in the inner cavity of the scraper 6, a movable block 16 mounted at the opposite side of the adjacent side cleaning assembly 14, the movable block 16 movably connected in the inner cavity of the scraper 6 and threadedly connected at the outer wall of the lead screw 17, an active slot symmetrically formed at both ends of the scraper 6, a waterproof elastic band 18 symmetrically mounted at the top and the bottom of the inner cavity of the active slot, and the other end of the waterproof elastic band 18 mounted at the outer wall of the movable block 16.

[0024] Through the second valve 19 and the first valve 5, the sludge pump 4 and the industrial water inlet pipe 3 can be controlled respectively, so as to facilitate the hydraulic rotation, dilution and discharge of the viscous sludge. Through the opening of the first valve 5 and the cooperation of the sludge pump 4, the diluted sludge can be discharged. Through the reamer 9, when the first valve 5 or the second valve 19 is opened, the reamer 9 can be automatically rotated through suction, so that the reamer 9 can drive the sludge to be stirred, so that the discharge of sludge is smooth, suction is dead angle-free and the previous dry pumping problem is solved. When the reamer 9 rotates, the scraper 6 can be driven to rotate through the connecting rod 7, so that the scraper 6 can clean the inner wall of the device body 1, so that the sludge can be prevented from accumulating on the inner wall of the device body 1, and the residual sludge can be prevented. Through the start of the servo motor 11, the belt 12 and the pulley 13 can be driven, so that the two lead screws 17 can be driven to rotate. At this time, the movable block 16 can be threadedly connected with the lead screw 17, so that the cleaning assembly 14 can drive the connecting seat 15 to move up and down on the outer wall of the scraper 6, so that the outer wall of the scraper 6 can be cleaned in all directions, so that the sludge can be prevented from accumulating on the outer wall of the scraper 6, and the scraper 6 can work continuously in the inner cavity of the device body 1.

[0025] The basic principle and main features of the present application and the advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A uniform sludge discharge device based on anaerobic digestion, comprising a device body (1), characterized in that: A manifold (2) is installed at the bottom of the outer wall side of the device body (1), an industrial water inlet pipe (3) is installed at the top of the manifold (2), a sludge pump (4) is installed on the side of the manifold (2), a reamer (9) is rotatably connected to the bottom of the inner cavity of the device body (1), scrapers (6) are symmetrically and movably connected to both sides of the reamer (9), a cleaning component (14) is movably connected to the outer wall of the scraper (6), and a drive component (10) is installed at the top of the scraper (6).

2. The uniform sludge discharge device based on anaerobic digestion according to claim 1, characterized in that: The outer flange of the industrial water inlet pipe (3) is connected to a second valve (19), and the flange of the sludge pump (4) is connected to a first valve (5). The sludge pump (4) and the industrial water inlet pipe (3) are connected to the inner cavity of the device body (1) through the manifold (2).

3. The uniform sludge discharge device based on anaerobic digestion according to claim 1, characterized in that: A rotating shaft is installed in the center of the inner cavity of the reamer (9). The rotating shaft is rotatably connected to the bottom of the inner cavity of the device body (1). A bearing seat (8) is installed on the outer wall of the rotating shaft. The bearing seat (8) is installed at the bottom of the inner cavity of the device body (1). Connecting rods (7) are symmetrically installed on both sides of the rotating shaft. The opposite sides of the two connecting rods (7) are symmetrically installed at the bottom of the opposite sides of the two scrapers (6). The outer wall of the reamer (9) is equipped with a sludge discharge assembly, and the outer wall of the sludge discharge assembly is equipped with a sludge suction pipe. There are twelve sludge suction pipes, which are evenly installed on the outer wall of the sludge discharge assembly. The inner cavity of the sludge discharge assembly is connected to the inner cavity of the device body (1) through the sludge suction pipe. The industrial water inlet pipe (3) is installed on the top of the sludge discharge assembly through a common pipe.

4. The uniform sludge discharge device based on anaerobic digestion according to claim 1, characterized in that: The scraper (6) is attached to the inner wall of the device body (1), the cleaning component (14) is attached to both ends of the scraper (6), and a connecting seat (15) is installed on the side of the cleaning component (14). The connecting seat (15) is attached to the side of the scraper (6) near the center of the device body (1).

5. A uniform sludge discharge device based on anaerobic digestion according to claim 1, characterized in that: A servo motor (11) is installed on the top of the drive assembly (10), a belt (12) is installed in the inner cavity of the drive assembly (10), pulleys (13) are installed on both sides of the inner cavity of the belt (12), and lead screws (17) are symmetrically installed at the bottom of the two pulleys (13). Both lead screws (17) are rotatably connected to the inner cavity of the scraper (6).

6. A uniform sludge discharge device based on anaerobic digestion according to claim 1, characterized in that: A movable block (16) is installed on the opposite side of the cleaning component (14) on the adjacent side. The movable block (16) is movably connected in the inner cavity of the scraper (6) and threaded to the outer wall of the lead screw (17). The scraper (6) has symmetrical movable grooves at both ends. Waterproof elastic bands (18) are symmetrically installed at the top and bottom of the inner cavity of the movable groove. The other end of the waterproof elastic band (18) is installed on the outer wall of the movable block (16).

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