Coagulative precipitation tank for wastewater treatment

Abstract

The utility model discloses a coagulative precipitation tank for wastewater treatment, which relates to the field of wastewater treatment, and comprises a precipitation tank body, a filter plate and a precipitation inclined plate, a reaction tank is arranged above the precipitation tank body, a stirring component is arranged in the reaction tank, one side of the upper part of the reaction tank is fixedly connected with a feed hopper, and the other side of the upper part of the reaction tank is fixedly connected with the filter plate. And a feeding assembly is arranged on one side above the reaction tank. According to the coagulative precipitation tank for wastewater treatment, by arranging the stirring assembly and the rubbing assembly, in the use process of treating wastewater by adopting the coagulative precipitation tank, the wastewater is stirred, the reaction between the wastewater and a coagulant aid agent is accelerated, the reaction time is shortened, the reaction rate is increased, and the flocculation effect is better; the wastewater treatment effect is better, meanwhile, the condition of filtering blockage is avoided, the wastewater treatment is smoother, the influence on the precipitation rate of wastewater treatment is avoided, and a worker can conveniently use the coagulative precipitation tank.

Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater treatment field, concretely is a coagulation sedimentation tank for wastewater treatment. BACKGROUND

[0002] Coagulation sedimentation tank is a kind of in water supply and drainage sedimentation tank, coagulation process is the most basic and extremely important treatment process in industrial water and domestic sewage treatment, by adding some reagent to water, the particles that are difficult to precipitate in water can be aggregated to form colloid, then combine with impurities in water body to form larger flocculation body, flocculation body has strong adsorption, not only can adsorb suspended solids, but also can adsorb part of bacteria and dissolved substances, flocculation body is increased in size by adsorption and sinks.

[0003] However, the current coagulation sedimentation tank still has some deficiencies, such as the coagulation sedimentation tank for wastewater treatment of application No. 202021682654.4, the filtering anti-blocking structure of the coagulation sedimentation tank is not fully considered, and if the coagulation sedimentation tank is not fully considered in the filtering anti-blocking structure, the filtering anti-blocking structure may be blocked during the wastewater treatment process, which affects the wastewater treatment rate and is not convenient for the staff to use the coagulation sedimentation tank.

[0004] Therefore, it is necessary to improve this defect, and the utility model is to research and improve the existing structure and deficiencies, and provide a coagulation sedimentation tank for wastewater treatment. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a coagulation sedimentation tank for wastewater treatment to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a coagulation sedimentation tank for wastewater treatment, including sedimentation tank pool body, filter plate and sedimentation inclined plate, the upper of sedimentation tank pool body is provided with reaction tank, and the inside of reaction tank is provided with stirring assembly, and the upper side of reaction tank is fixedly connected with feeding hopper, and the upper side of reaction tank is provided with feeding assembly, while feeding assembly includes liquid storage tank, pressing plate, fixed rod and extrusion plate, the inside of sedimentation tank pool body is provided with filter plate, and the upper of filter plate is provided with scratch assembly, and scratch assembly includes small motor, rotating screw rod, chain wheel, transmission chain, movable scratch plate and fixed plate, the inner bottom of sedimentation tank pool body is fixedly connected with sedimentation inclined plate, and the lower of sedimentation inclined plate is provided with blowdown pipeline.

[0007] Further, the stirring assembly includes driving motor, rotating shaft, stirring fan blade and support, and the driving motor is arranged above the reaction tank, and the output shaft of the driving motor is fixedly connected with the rotating shaft through the shaft coupling.

[0008] Further, the outer wall of the rotating shaft is fixedly connected with the stirring fan blade, and the bottom end of the rotating shaft is rotatably connected with the supporting piece, and the supporting piece is fixedly connected with the inner bottom of the reaction tank.

[0009] Further, the bottom center of the reaction tank is fixedly connected with the drain pipe, the drain pipe is fixedly connected with the inner top of the sedimentation tank body, and the four corners between the reaction tank and the sedimentation tank body are fixedly connected with the supporting blocks.

[0010] Further, the liquid storage tank is fixedly connected to one side of the top of the reaction tank, a pressing plate is arranged above the liquid storage tank, a fixed rod is welded to the bottom center of the pressing plate, an extrusion plate is welded to the bottom end of the fixed rod, and a rubber strip is fixedly connected to the side surface of the extrusion plate.

[0011] Further, the small motor is arranged on one side of the sedimentation tank body, the output shaft of the small motor is fixedly connected with the rotating lead screws through the shaft coupler, the number of the rotating lead screws is four, and the four rotating lead screws are rotatably connected inside the sedimentation tank body.

[0012] Further, the outer wall of the rotating lead screw is fixedly connected with the sprocket, the outer side of the sprocket is rotatably connected with the transmission chain, and the outer side of the rotating lead screw is rotatably connected with the movable scraping plate.

[0013] Further, the bottom of the movable scraping plate is in contact with the surface of the filter plate, a fixed plate is connected through the center of the movable scraping plate, and the end of the fixed plate is fixedly connected with the sedimentation tank body.

[0014] The utility model provides a coagulation sedimentation tank for wastewater treatment has the following beneficial effects:

[0015] 1, the utility model discloses a stirring subassembly is set up, in the use process of adopting coagulation sedimentation tank to the wastewater treatment, the rotation of rotating shaft drives stirring fan blade to rotate, accelerates the reaction between wastewater and coagulation aid reagent, shortens the reaction time, improves the reaction rate, makes the flocculation effect better, makes the wastewater treatment effect better, and the staff is convenient to use coagulation sedimentation tank.

[0016] 2, the utility model discloses that the scraping subassembly is set up, in the use process of adopting coagulation sedimentation tank to the wastewater treatment, the rotation of rotating lead screw drives movable scraping plate to scrape on the surface of filter plate, avoids the situation that filters and blocks, makes the wastewater treatment more smoothly, avoids the influence to wastewater treatment deposition rate, and simple structure, the connection between the structure is more compact, more convenient staff uses coagulation sedimentation tank. DRAWINGS

[0017] Figure 1The utility model relates to a coagulation sedimentation tank for wastewater treatment's appearance three-dimensional structure schematic diagram.

[0018] Figure 2 The utility model relates to a coagulation sedimentation tank for wastewater treatment's reaction pool - feeding assembly three-dimensional structure section view schematic diagram.

[0019] Figure 3 The utility model relates to a coagulation sedimentation tank for wastewater treatment's sedimentation tank pool body - blowdown pipeline three-dimensional structure section view schematic diagram.

[0020] Figure 4 The utility model relates to a coagulation sedimentation tank for wastewater treatment's scratch subassembly three-dimensional structure schematic diagram.

[0021] In the drawing: 1, sedimentation tank pool body, 2, reaction pool, 3, stirring subassembly, 301, drive motor, 302, rotating shaft, 303, stirring fan piece, 304, support piece, 4, drain pipe, 5, support block, 6, feed hopper, 7, feeding assembly, 701, liquid storage tank, 702, pressing plate, 703, fixed rod, 704, extrusion plate, 8, filter plate, 9, scratch subassembly, 901, small motor, 902, rotating screw, 903, chain wheel, 904, transmission chain, 905, movable scratch board, 906, fixed plate, 10, sedimentation inclined plate, 11, blowdown pipeline. DETAILED DESCRIPTION

[0022] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but can not be used to limit the scope of the utility model.

[0023] As Figures 1-2As shown, a wastewater treatment coagulation sedimentation tank, including sedimentation tank body 1, filter plate 8 and sedimentation inclined plate 10, the upper portion of the sedimentation tank body 1 is provided with a reaction tank 2, and the inside of the reaction tank 2 is provided with a stirring assembly 3, the stirring assembly 3 includes driving motor 301, rotating shaft 302, stirring fan blade 303 and support 304, and the driving motor 301 is arranged above the reaction tank 2, and the output shaft of the driving motor 301 is fixedly connected with the rotating shaft 302 through the shaft coupling, the outer wall of the rotating shaft 302 is fixedly connected with the stirring fan blade 303, and the bottom end of the rotating shaft 302 is rotatably connected with the support 304, and the support 304 is fixedly connected with the inner bottom of the reaction tank 2, the bottom center of the reaction tank 2 is fixedly connected with a drain pipe 4, and the drain pipe 4 is fixedly connected to the inner top of the sedimentation tank body 1, and the four corners between the reaction tank 2 and the sedimentation tank body 1 are fixedly connected with support blocks 5, and the upper side of the reaction tank 2 is fixedly connected with a feed hopper 6, and the upper side of the reaction tank 2 is provided with a feeding assembly 7, and the feeding assembly 7 includes a liquid storage tank 701, a pressing plate 702, a fixed rod 703 and an extrusion plate 704, the liquid storage tank 701 is fixedly connected to the top side of the reaction tank 2, and the upper side of the liquid storage tank 701 is provided with a pressing plate 702, and the bottom center of the pressing plate 702 is welded with a fixed rod 703, and the bottom end of the fixed rod 703 is welded with an extrusion plate 704, and the side of the extrusion plate 704 is fixedly connected with a rubber strip;

[0024] Specific operation as follows, the staff from the feed hopper 6 into the reaction tank 2 pours wastewater, then, using the feeding assembly 7 to charge coagulant, the staff presses the pressing plate 702 downward, so that the extrusion plate 704 at the bottom end of the fixed rod 703 moves downward, so that the coagulant agent is injected into the reaction tank 2 through the elastic valve, at the same time, the stirring assembly 3 stirs the wastewater, using the driving motor 301 to drive the rotating shaft 302 to rotate, so that the stirring fan blade 303 fixedly connected with the outer wall of the rotating shaft 302 rotates, accelerates the reaction between the wastewater and the coagulant agent, shortens the reaction time, improves the reaction rate, makes the flocculation effect better, facilitates the staff to use the coagulation sedimentation tank.

[0025] As Figure 1 , Figure 3 and Figure 4As shown, the filter plate 8 is arranged inside the sedimentation tank body 1, and a scraping assembly 9 is arranged above the filter plate 8, and the scraping assembly 9 comprises a small motor 901, a rotating lead screw 902, a chain wheel 903, a transmission chain 904, a movable scraping plate 905 and a fixed plate 906, the small motor 901 is arranged on one side of the sedimentation tank body 1, and the output shaft of the small motor 901 is fixedly connected with the rotating lead screw 902 through a shaft coupling, and the number of the rotating lead screw 902 is four, the four rotating lead screws 902 are all rotationally connected inside the sedimentation tank body 1, the outer walls of both ends of the rotating lead screw 902 are all fixedly connected with the chain wheel 903, the outer side of the chain wheel 903 is rotationally connected with the transmission chain 904, and the outer side of the rotating lead screw 902 is rotationally connected with the movable scraping plate 905, the bottom of the movable scraping plate 905 is in contact with the surface of the filter plate 8, the center of the movable scraping plate 905 penetrates through the fixed plate 906, and the end of the fixed plate 906 is fixedly connected with the sedimentation tank body 1, and the sedimentation inclined plate 10 is fixedly connected to the inner bottom of the sedimentation tank body 1, and the blowdown pipe 11 is arranged below the sedimentation inclined plate 10;

[0026] Specific operation is as follows, the wastewater after flocculation reaction enters the inside of the sedimentation tank body 1 from the drain pipe 4 fixedly connected at the bottom center of the reaction tank 2, and is filtered in turn through the filter plate 8 arranged inside the sedimentation tank body 1, in the filtering process, the scraping assembly 9 is used to avoid the blockage of the surface of the filter plate 8, the small motor 901 drives the rotating lead screw 902 to rotate, and the chain wheel 903 and the transmission chain 904 are used to make the four rotating lead screws 902 rotate synchronously, with the rotation of the rotating lead screw 902, the movable scraping plate 905 rotationally connected with the outer side thereof scrapes on the surface of the filter plate 8, so as to avoid the blockage of the filter plate 8, make the wastewater treatment more smoothly, avoid affecting the wastewater sedimentation rate, and make it more convenient for the staff to use the coagulation sedimentation tank.

[0027] In summary, the coagulation sedimentation tank for wastewater treatment can Figures 1-4In the use process of the wastewater treatment by the coagulation sedimentation tank, first, the staff pours the wastewater into the reaction tank 2 from the feeding hopper 6, then the coagulant is added by the feeding assembly 7, the staff presses the pressing plate 702 downward, the extrusion plate 704 welded at the bottom end of the fixing rod 703 moves downward, so that the coagulant is injected into the reaction tank 2 through the elastic valve, and the wastewater is stirred by the stirring assembly 3, the rotating shaft 302 is driven to rotate by the driving motor 301, so that the stirring fan blades 303 fixedly connected to the outer wall of the rotating shaft 302 rotate, the reaction rate is improved, then the wastewater treated by flocculation is poured into the inside of the sedimentation tank body 1 from the drain pipe 4 fixedly connected to the bottom center of the reaction tank 2, and is filtered in turn through the filter plate 8 arranged in the inside of the sedimentation tank body 1, in the filtering process, the filter plate 8 is prevented from being blocked by the scraping assembly 9, the rotating screw rod 902 is driven to rotate by the small motor 901, and the four rotating screw rods 902 are synchronously rotated by the chain wheel 903 and the transmission chain 904, with the rotation of the rotating screw rod 902, the movable scraping plate 905 rotatably connected to the outside of the rotating screw rod 902 scrapes the surface of the filter plate 8, so that the filter plate 8 is prevented from being blocked, the structure is simple, and the staff can conveniently treat the wastewater.

[0028] The embodiments of the present application are given for the purpose of example and description, and are not exhaustive or limit the present application to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to best explain the principles of the present application and its practical application, and to enable others skilled in the art to understand the present application in order to design various embodiments with various modifications for specific use.

Claims

1. A coagulation sedimentation tank for wastewater treatment, comprising a sedimentation tank body (1), a filter plate (8), and a sedimentation inclined plate (10), characterized in that, The upper side of the sedimentation tank body (1) is provided with a reaction tank (2), the inside of the reaction tank (2) is provided with a stirring assembly (3), one side of the upper side of the reaction tank (2) is fixedly connected with a feeding hopper (6), one side of the upper side of the reaction tank (2) is provided with a feeding assembly (7), the feeding assembly (7) comprises a liquid storage tank (701), a pressing plate (702), a fixing rod (703) and a squeezing plate (704), the filter plate (8) is arranged in the inside of the sedimentation tank body (1), the upper side of the filter plate (8) is provided with a scraping assembly (9), the scraping assembly (9) comprises a small motor (901), a rotating screw rod (902), a chain wheel (903), a transmission chain (904), a movable scraping plate (905) and a fixed plate (906), the sedimentation inclined plate (10) is fixedly connected to the inner bottom of the sedimentation tank body (1), and the lower side of the sedimentation inclined plate (10) is provided with a blowdown pipeline (11).

2. The coagulation sedimentation tank for wastewater treatment according to claim 1, characterized by The stirring assembly (3) comprises a driving motor (301), a rotating shaft (302), a stirring fan blade (303) and a support (304), the driving motor (301) is arranged on the upper side of the reaction tank (2), and the output shaft of the driving motor (301) is fixedly connected with the rotating shaft (302) through a shaft coupling.

3. The coagulation sedimentation tank for wastewater treatment according to claim 2, characterized by The outer wall of the rotating shaft (302) is fixedly connected with the stirring fan blade (303), the bottom end of the rotating shaft (302) is rotatably connected with the support (304), and the support (304) is fixedly connected with the inner bottom of the reaction tank (2).

4. The coagulation sedimentation tank for wastewater treatment according to claim 1, characterized by The bottom center of the reaction tank (2) is fixedly connected with a drain pipe (4), the drain pipe (4) is fixedly connected to the inner top of the sedimentation tank body (1), and the four corners between the reaction tank (2) and the sedimentation tank body (1) are fixedly connected with support blocks (5).

5. The coagulation sedimentation tank for wastewater treatment according to claim 1, characterized by The liquid storage tank (701) is fixedly connected to the top side of the reaction tank (2), the upper side of the liquid storage tank (701) is provided with the pressing plate (702), the bottom center of the pressing plate (702) is welded with the fixing rod (703), the bottom end of the fixing rod (703) is welded with the squeezing plate (704), and the side of the squeezing plate (704) is fixedly connected with a rubber strip.

6. The coagulation sedimentation tank for wastewater treatment according to claim 1, characterized by The small motor (901) is arranged on one side of the sedimentation tank body (1), the output shaft of the small motor (901) is fixedly connected with the rotating screw rod (902) through a shaft coupling, and the number of the rotating screw rods (902) is four, and the four rotating screw rods (902) are rotatably connected in the inside of the sedimentation tank body (1).

7. The coagulation sedimentation tank for wastewater treatment according to claim 1, characterized by The two end outer walls of the rotating screw rod (902) are fixedly connected with the chain wheels (903), the outer sides of the chain wheels (903) are rotatably connected with the transmission chains (904), and the outer sides of the rotating screw rods (902) are rotatably connected with the movable scraping plates (905).

8. The coagulation sedimentation tank for wastewater treatment according to claim 1, characterized by The bottom of the movable scraping plate (905) is in contact with the surface of the filter plate (8), the center of the movable scraping plate (905) is connected with the fixed plate (906) in a penetrating manner, and the end of the fixed plate (906) is fixedly connected with the sedimentation tank body (1).

Images