CN210786346U - Double-layer sedimentation tank - Google Patents

Abstract

The utility model discloses a double-layer sedimentation tank. A walkway is arranged on the upper surface of the pool body, a motor is arranged in the middle of the aisle, a mesh baffle is arranged in the middle position of the inside of the pool body, and a mud discharge groove is arranged at the bottom of the pool body to discharge mud. There is a mud discharge channel on one side of the tank, and a shaft seat is arranged in the mud discharge groove. The motor is connected to the main shaft, and the bottom of the main shaft is connected to the shaft seat. There is a lower mud scraper, the main shaft is located in the mud discharge tank and an agitator is installed, and the tank body is located between the mesh baffle and the lower mud scraper. A bracket is also installed on the lower and upper surfaces of the bracket. Phase separator, the structure of the invention is reasonable. A mesh separator is arranged in the middle of the pool body, and a three-phase separator is arranged below the mesh separator, which can effectively prevent the sludge particles from moving to the top of the pool body during the stirring process. The upper layer water causes pollution, and there is no need to wait for re-precipitation to improve efficiency.

Description

A double-layer sedimentation tank

technical field

The invention relates to the technical field of sedimentation tanks, in particular to a double-layer sedimentation tank.

Background technique

Sedimentation tank is a structure that uses sedimentation to remove suspended solids in water and purifies water quality. Use the action of natural precipitation or coagulation precipitation of water to remove suspended solids in water. The sedimentation tank is divided into horizontal sedimentation tank and vertical sedimentation tank according to the direction of water flow. The sedimentation effect is determined by the flow rate of the water in the sedimentation tank and the residence time of the water in the tank. In order to improve the sedimentation effect and reduce the land area, the honeycomb inclined tube countercurrent sedimentation tank, accelerated clarifier, pulse clarifier, etc. are currently used. The sedimentation tank is widely used in wastewater treatment.

The bottom end of the traditional sedimentation tank is equipped with a mud scraper. During the mud scraping process, it is easy to cause the sludge to float up. It is necessary to wait for the re-precipitation before drainage, and the discharged water may be impure. Therefore, an improved method is urgently needed. technology to solve this problem existing in the prior art.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a double-layer sedimentation tank to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: a double-layer sedimentation tank, comprising a tank body, a walkway, a motor, a water inlet, an overflow groove, a mesh baffle, a mud discharge groove, a mud discharge channel, a shaft seat, The main shaft, the upper mud scraper, the lower mud scraper, the agitator, the bracket and the three-phase separator, the upper surface of the pool body is provided with a walkway, the middle position of the walkway is provided with a motor, and one side of the upper end of the pool body is provided with a walkway. In the water inlet, an overflow groove is provided on the other side of the upper end of the pool body, a mesh baffle is provided in the middle of the pool body, and a mud discharge groove is provided at the bottom of the pool body, and one side of the mud discharge groove is provided A mud discharge channel is provided, a shaft seat is arranged in the mud discharge groove, the motor is connected with the main shaft, the bottom of the main shaft is connected with the shaft seat, and the main shaft is located above the mesh baffle and is provided with an upper mud scraper. The main shaft is provided with a lower mud scraper at the inner lower surface of the pool body, the main shaft is provided with an agitator in the position in the mud discharge tank, and the pool body is also provided with a bracket between the mesh baffle and the lower mud scraper, Several three-phase separators are installed on the lower surface and the upper surface of the bracket.

Preferably, a plurality of circular holes are formed on the surface of the mesh baffle, a shaft hole is formed at the center of the mesh baffle, and the inner diameter of the shaft hole opened at the center of the mesh baffle matches the main shaft.

Preferably, the slope of the lower surface of the pool body is 15-30°.

Preferably, the upper mud scraper includes a sleeve A, a scraper A, a support frame A, a vertical rod A and a suspension A, the sleeve A is sleeved on the main shaft, and both sides of the bottom of the sleeve A are vertical respectively A support frame A is provided, a scraper A is set on the lower surface of the support frame A, a suspension A is provided on both sides of the top end of the sleeve A, and the end of the suspension A is far away from the sleeve A and the support frame A is far away from the sleeve. One end of the cylinder A is connected, and several vertical rods A are also arranged between the suspension A and the support frame A.

Preferably, the lower mud scraper includes a sleeve B, a scraper B, a support frame B, a vertical rod B and a suspension B, the sleeve B is sleeved on the lower end of the main shaft, and both sides of the bottom of the sleeve B are connected to the support Frame B is connected, scraper B is provided on both sides of the lower surface of the support frame B, the angle of the support frame B is consistent with the slope of the lower surface of the pool body, and both sides of the top of the sleeve B are connected with the suspension B, so The end of the suspension B away from the sleeve B is connected to the end of the support frame B away from the sleeve B, and several vertical rods B are arranged between the suspension B and the support frame B.

Preferably, the agitator is of an "L" shape, and the distance between the agitators on both sides is not less than the diameter of the shaft seat and not greater than the diameter of the sludge discharge tank.

Preferably, the three-phase separators located on the upper surface and the lower surface of the support are staggered.

Preferably, the support includes an outer ring support, a horizontal frame and a center plate, a plurality of horizontal frames are evenly arranged inside the outer ring support, and a center plate is arranged at the middle position of the horizontal frame at the middle position of the outer ring support, and the A shaft hole is opened at the center position of the center plate, and the inner diameter of the shaft hole at the center position of the center plate matches the main shaft.

Preferably, its using method comprises the following steps:

Step 1: Introduce raw water into the pool from the water inlet;

Step 2: Some mud particles in the water fall into the bottom of the pool body from the circular holes of the mesh separator, and some mud particles fall on the mesh separator;

Step 3: Turn on the motor to make the main shaft rotate slowly, the main shaft drives the upper mud scraper and the lower mud scraper to rotate, and the upper mud scraper scrapes some of the mud particles falling on the mesh separator from the circular holes of the mesh separator When it falls to the tank body, the mud particles at the bottom of the tank body are scraped into the sludge discharge tank by the lower mud scraper, and the sludge is discharged through the sludge discharge channel.

Compared with the prior art, the beneficial effects of the present invention are:

(1) In the present invention, a mesh separator is arranged in the middle of the pool body, and a three-phase separator is arranged below the mesh separator, which can effectively prevent the sludge particles from moving to the top of the pool during the stirring process and avoid pollution caused by the upper layer water. , no need to wait for re-precipitation, improve efficiency.

(2) An upper mud scraper is arranged on the mesh separator, which can scrape the sludge particles that initially settle on the mesh separator from the round hole to the lower layer of the tank body.

(3) An agitator is set at the bottom of the main shaft, which can make the sludge discharge smoothly and avoid clogging.

Description of drawings

FIG. 1 is a schematic structural diagram of the present invention.

Figure 2 is a schematic diagram of the structure of the mesh separator.

Figure 3 is a schematic diagram of the structure of the upper mud scraper.

Figure 4 is a schematic diagram of the structure of the lower mud scraper.

Figure 5 is a schematic diagram of the structure of the stent.

In the figure: tank body 1, aisle 2, motor 3, water inlet 4, overflow tank 5, mesh baffle 6, mud discharge groove 7, mud discharge channel 8, shaft seat 9, main shaft 10, upper mud scraper 11 , Bottom scraper 12, agitator 13, bracket 14, three-phase separator 15, sleeve A111, scraper A112, support frame A113, pole A114, suspension A115, sleeve B121, scraper B122, support frame B123, vertical rod B124, suspension B125, outer ring support 141, cross frame 142, center plate 143.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to FIG. 1 , the present invention provides a technical solution: a double-layer sedimentation tank, including a tank body 1, a walkway 2, a motor 3, a water inlet 4, an overflow tank 5, a mesh baffle 6, and a sludge discharge tank 7 , sludge discharge channel 8, shaft seat 9, main shaft 10, upper mud scraper 11, lower mud scraper 12, agitator 13, bracket 14 and three-phase separator 15, the slope of the lower surface of the pool body 1 is 15-30° , the upper surface of the pool body 1 is provided with a walkway 2, the middle position of the aisle 2 is provided with a motor 3, one side of the upper end of the pool body 1 is provided with a water inlet 4, and the other side of the upper end of the pool body 1 is provided with an overflow groove 5, and the pool body 1 A mesh baffle 6 is arranged in the middle position of the interior, a mud discharge groove 7 is provided at the bottom of the pool body 1, a mud discharge channel 8 is provided on one side of the mud discharge groove 7, and a shaft seat 9 is arranged in the mud discharge groove 7, and the motor 3 and the main shaft are arranged. 10 is connected, the bottom of the main shaft 10 is connected with the shaft seat 9, the main shaft 10 is located above the mesh baffle 6 and is provided with an upper mud scraper 11, the main shaft 10 is located on the inner lower surface of the pool body 1 is provided with a lower end mud scraper 12, and the main shaft 10 is located at The agitator 13 is arranged in the position of the mud discharge tank 7, and the agitator 13 is of "L" shape. 1. A bracket 14 is also provided between the mesh baffle 6 and the lower mud scraper 12. A number of three-phase separators 15 are installed on the lower surface and the upper surface of the bracket 14. The three-phase separators located on the upper surface and the lower surface of the bracket 14 are separated. The devices 15 are staggered.

As shown in FIG. 2 , there are several round holes on the surface of the mesh separator 6 , a shaft hole is formed at the center of the mesh separator 6 , and the inner diameter of the shaft hole opened at the center of the mesh separator 6 matches the spindle 10 .

As shown in FIG. 3 , the upper mud scraper 11 includes a sleeve A111, a scraper A112, a support frame A113, a vertical rod A114 and a suspension A115. The sleeve A111 is sleeved on the main shaft 10, and both sides of the bottom of the sleeve A111 are vertically arranged There is a support frame A113, the lower surface of the support frame A113 is provided with a scraper A112, the top of the sleeve A111 is provided with a suspension A115 on both sides, and the end of the suspension A115 away from the sleeve A111 is connected to the end of the support frame A113 away from the sleeve A111, and the suspension Several vertical rods A114 are also arranged between the A115 and the support frame A113.

As shown in FIG. 4 , the lower mud scraper 12 includes a sleeve B121, a scraper B122, a support frame B123, a vertical rod B124 and a suspension B125. The sleeve B121 is sleeved on the lower end of the main shaft 10, and both sides of the bottom of the sleeve B121 are connected to the support frame. B123 is connected to each other, scrapers B122 are provided on both sides of the lower surface of the support frame B123, the angle of the support frame B123 is consistent with the slope of the lower surface of the pool 1, both sides of the top of the sleeve B121 are connected to the suspension B125, and the suspension B125 is far away from the sleeve B121 One end is connected to one end of the support frame B123 away from the sleeve B121, and several vertical rods B124 are arranged between the suspension B125 and the support frame B123.

As shown in FIG. 5 , the bracket 14 includes an outer ring bracket 141 , a horizontal frame 142 and a center plate 143 . A number of horizontal frames 142 are evenly arranged inside the outer ring bracket 141 . The center plate 143 is provided with a shaft hole at the center position of the center plate 143 , and the inner diameter of the shaft hole at the center position of the center plate 143 matches the spindle 10 .

A kind of double-layer sedimentation tank, its using method comprises the following steps:

Step 1: Introduce the raw water into the pool body 1 from the water inlet 4;

Step 2: Part of the mud particles in the water fall into the bottom of the tank body 1 from the circular holes of the mesh separator 6, and some mud particles fall on the mesh separator 6;

Step 3: Turn on the motor 3 to make the main shaft 10 rotate slowly, the main shaft 10 drives the upper mud scraper 11 and the lower mud scraper 12 to rotate, and the upper mud scraper 11 removes part of the mud particles falling on the mesh baffle 6 from the mesh The circular holes of the separator 6 are scraped to the tank body 1 , and the mud particles at the bottom of the tank body 1 are scraped into the sludge discharge tank 7 through the lower mud scraper 12 , and the sludge is discharged through the sludge discharge channel 8 .

In the invention, a mesh separator is arranged in the middle of the pool body, and a three-phase separator is arranged below the mesh separator, which can effectively prevent the sludge particles from moving to the top of the pool body during the stirring process, avoid the pollution caused by the upper layer water, and do not need to wait. Re-precipitate to improve efficiency. An upper mud scraper is set on the mesh separator, which can scrape the sludge particles that initially settled on the mesh separator from the round hole to the lower layer of the pool body. Sludge can be discharged smoothly, avoiding clogging.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (9)

1. A double-layer sedimentation tank is characterized in that: comprises a tank body (1), a walkway (2), a motor (3), a water inlet (4), an overflow trough (5), mesh baffles (6), a sludge discharge trough (7), a sludge discharge channel (8), an axle seat (9), a main shaft (10), an upper end sludge scraper (11), a lower end sludge scraper (12), a stirrer (13), a bracket (14) and a three-phase separator (15), wherein the walkway (2) is arranged on the upper surface of the tank body (1), the motor (3) is arranged at the middle position of the walkway (2), the water inlet (4) is arranged at one side of the upper end of the tank body (1), the overflow trough (5) is also arranged at the other side of the upper end of the tank body (1), the mesh baffles (6) are arranged at the middle position inside the tank body (1), the sludge discharge trough (7) is arranged at the bottom of the tank body (1), the sludge discharge channel (8) is arranged at one side of the sludge discharge, motor (3) link to each other with main shaft (10), main shaft (10) bottom links to each other with axle bed (9), main shaft (10) are located mesh baffle (6) top and are provided with upper end mud scraper (11), main shaft (10) are located inside lower surface department of cell body (1) and are provided with lower extreme mud scraper (12), main shaft (10) are located mud discharging groove (7) internal position and are provided with agitator (13), cell body (1) are located mesh baffle (6) and lower extreme mud scraper (12) between still be provided with support (14), a plurality of three-phase separator (15) are all installed to support (14) lower surface and upper surface.

2. A double-layered sedimentation tank as claimed in claim 1, wherein: the mesh baffle (6) surface is opened has a plurality of round holes, mesh baffle (6) central point puts to open has the shaft hole, mesh baffle (6) central point puts the shaft hole internal diameter and main shaft (10) phase-match of opening.

3. A double-layered sedimentation tank as claimed in claim 1, wherein: the gradient of the lower surface of the tank body (1) is 15-30 degrees.

4. A double-layered sedimentation tank as claimed in claim 1, wherein: the upper end mud scraper (11) comprises a sleeve A (111), a scraper A (112), a support frame A (113), a vertical rod A (114) and a suspension A (115), the sleeve A (111) is sleeved on the main shaft (10), the support frame A (113) is vertically arranged on two sides of the bottom of the sleeve A (111) respectively, the scraper A (112) is arranged on the lower surface of the support frame A (113), the suspension A (115) is arranged on two sides of the top of the sleeve A (111) respectively, one end of the suspension A (115) far away from the sleeve A (111) is connected with one end of the support frame A (113) far away from the sleeve A (111), and a plurality of vertical rods A (114) are further arranged between the suspension A (115) and the support frame A (113).

5. A double-layered sedimentation tank as claimed in claim 1, wherein: lower extreme mud scraper (12) include sleeve B (121), scraper blade B (122), support frame B (123), pole setting B (124) and suspension B (125), sleeve B (121) cover is in main shaft (10) lower extreme, sleeve B (121) bottom both sides link to each other with support frame B (123), support frame B (123) lower surface both sides are provided with scraper blade B (122), the angle of support frame B (123) is unanimous with the slope of cell body (1) lower surface, sleeve B (121) top both sides link to each other with suspension B (125), sleeve B (121) one end is kept away from to suspension B (125) and support frame B (123) one end is kept away from to sleeve B (121) one end links to each other, be provided with a plurality of pole setting B (124) between suspension B (125) and support frame B (123).

6. A double-layered sedimentation tank as claimed in claim 1, wherein: the stirrers (13) are L-shaped, and the distance between the stirrers (13) at two sides is not less than the diameter of the shaft seat (9) and not more than the diameter of the sludge discharge groove (7).

7. A double-layered sedimentation tank as claimed in claim 1, wherein: the three-phase separators (15) positioned on the upper surface and the lower surface of the bracket (14) are arranged in a staggered mode.

8. A double-layered sedimentation tank as claimed in claim 1, wherein: the support (14) comprises an outer ring support (141), crossbearers (142) and a central plate (143), wherein the crossbearers (142) are uniformly arranged in the outer ring support (141), the central plate (143) is arranged in the middle of the crossbearers (142) in the middle of the outer ring support (141), a shaft hole is formed in the center of the central plate (143), and the inner diameter of the shaft hole in the center of the central plate (143) is matched with the spindle (10).

9. A double-layered sedimentation tank as claimed in claim 1, wherein: the using method comprises the following steps:

the method comprises the following steps: raw water is introduced into the tank body (1) from the water inlet (4);

step two: partial mud particles in water fall into the bottom of the tank body (1) from the circular holes of the mesh partition plate (6), and partial mud particles fall on the mesh partition plate (6);

step three: open motor (3) and make main shaft (10) slow rotation, main shaft (10) drive upper end mud scraper (11) and lower extreme mud scraper (12) and rotate, and upper end mud scraper (11) will fall on partial mud grain on mesh baffle (6) scrapes to cell body (1) in the round hole of mesh baffle (6), and the mud grain of cell body (1) bottom scrapes through lower extreme mud scraper (12) and falls to mud groove (7) in to discharge mud through mud passageway (8).

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