CN212894246U

CN212894246U - Multistage wastewater treatment device

Info

Publication number: CN212894246U
Application number: CN202021565707.4U
Authority: CN
Inventors: 王志伟
Original assignee: Suzhou Biqingyuan Environmental Protection Technology Co ltd
Current assignee: Suzhou Biqingyuan Environmental Protection Technology Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-04-06
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a multistage wastewater treatment device, which comprises a first filtering component, wherein the first filtering component comprises a first support frame and a first tank body, the first support frame is positioned at the bottom of the first tank body to support the first tank body, the side wall of the first tank body is connected with a water inlet pipe and a first pipe body, the bottom of the first tank body is obliquely arranged, and the lowest part of the bottom of the first tank body is provided with a drain pipe; the second filtering component comprises a second tank body, a first filter screen is arranged in the second tank body, the first pipe body is connected with the second tank body, the first pipe body is positioned at the lower side of the first filter screen, the side wall of the second tank body is connected with a second pipe body, and the second pipe body is positioned at the upper side of the first filter screen; the third filtering component comprises a third tank body, the third tank body is internally provided with a suspended filler for adsorbing water impurities, the second pipe body is connected with the side wall of the third tank body, and the side wall of the third tank body is provided with a water outlet pipe. Can realize the water body multi-stage filtration, the filter effect is good.

Description

Multistage wastewater treatment device

Technical Field

The utility model relates to a waste water treatment technical field, concretely relates to multistage effluent treatment plant.

Background

At present, China faces more and more severe environmental situations, and in the process of accelerating the promotion of urbanization and industrialization, large-area pollution of urban water is caused due to lagging water pollution control and treatment measures, the eutrophication of the water is caused, and black and odorous water is formed.

The existing sewage treatment equipment has the following defects: on one hand, the efficiency of sewage treatment is not high, and impurities cannot be well separated; on the other hand, the quality of the water body obtained by treatment is not high, and the follow-up is influenced.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a multistage effluent treatment plant, it can realize water multistage filtration, and the filter effect is good.

In order to solve the technical problem, the utility model provides a multistage effluent treatment plant, include:

the first filtering assembly comprises a first supporting frame and a first tank body, the first supporting frame is positioned at the bottom of the first tank body to support the first tank body, a water inlet pipe and a first pipe body are connected to the side wall of the first tank body, the bottom of the first tank body is obliquely arranged, a drain pipe is arranged at the lowest part of the bottom of the first tank body, and a chemical feeding port is arranged at the top of the first tank body;

the second filtering component comprises a second tank body, a first filter screen is arranged in the second tank body, the first pipe body is connected with the second tank body, the first pipe body is positioned at the lower side of the first filter screen, the side wall of the second tank body is connected with a second pipe body, and the second pipe body is positioned at the upper side of the first filter screen;

the third filter assembly comprises a third tank body, suspended fillers for adsorbing water impurities are arranged in the third tank body, the second pipe body is connected with the side wall of the third tank body, and a water outlet pipe is arranged on the side wall of the third tank body.

Preferably, the water tank further comprises a back washing assembly, the back washing assembly comprises a third pipe body and a pump body, one end of the third pipe body is connected with the water outlet pipe through a three-way valve, the other end of the third pipe body is connected with the top of the second tank body, the pump body is arranged on the third pipe body, and a third valve is arranged on the second pipe body.

Preferably, a first valve is arranged on the first pipe body.

Preferably, a cage is arranged in the third tank, and the suspended filler is located in the cage.

Preferably, a fixing piece is arranged in the third tank body, and the cage body is connected with the fixing piece through a spring.

Preferably, the connecting end of the second pipe body and the third tank body is located on the lower side of the cage body, and the water outlet pipe is located on the upper side of the cage body.

Preferably, an activated carbon filter is arranged on the upper side of the first filter screen.

Preferably, a first cover body is arranged at the top of the first tank body, and the first cover body is provided with air holes.

Preferably, a second cover body is arranged at the top of the third tank body, and the second cover body is provided with air holes.

Preferably, the bottom of the second tank is higher than the bottom of the first tank.

The utility model has the advantages that:

1. the utility model discloses a set up the first jar of body, can realize that sewage subsides naturally, the bottom slope of the first jar of body sets up, and the lower of the first jar of body bottom is provided with the blow off pipe, so, can discharge the impurity of the first jar of body bottom fast, so, realize primary filter.

2. The utility model discloses set up the second jar of body, realize the second grade of water through first filter screen and filter, and the suspension in the third jar of body packs and carries out tertiary filtration to the water, so, realizes water multistage filter, and the filter effect is good.

3. The utility model discloses can be well with impurity separation, the treatment effeciency is high.

Drawings

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

The reference numbers in the figures illustrate: 10. a first tank; 11. a water inlet pipe; 12. a medicine adding port; 13. a first support frame; 14. a blow-off pipe; 141. a second valve; 15. a first cover body; 16. a first pipe body; 161. a first valve; 20. a second tank; 21. a second support frame; 22. a first filter screen; 23. an activated carbon filter; 24. a second tube body; 241. a third valve; 30. a third tank body; 31. a fixing member; 32. a spring; 33. a cage body; 34. suspending the filler; 35. a water outlet pipe; 36. a second cover body; 40. a third support frame; 50. a third tube; 51. and a pump body.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Referring to fig. 1, the utility model discloses a multistage wastewater treatment device, which comprises a first filtering component, a second filtering component and a third filtering component.

The first filtering component comprises a first supporting frame 13 and a first tank body 10, the first supporting frame 13 is positioned at the bottom of the first tank body 10 to support the first tank body 10, a water inlet pipe 11 and a first pipe body 16 are connected to the side wall of the first tank body 10, the bottom of the first tank body 10 is obliquely arranged, a sewage discharge pipe 14 is arranged at the lowest position of the bottom of the first tank body 10, and a chemical adding port 12 is arranged at the top of the first tank body 10. Through adding medicine mouth 12, can put into medicine in the first jar of body 10, realized the directional purification to polluting the water. The large impurities in the first tank 10 settle at the bottom of the first tank 10 under the action of gravity, and the sewage drain 14 can periodically drain the impurities at the bottom of the water. The bottom of the first tank body 10 is obliquely arranged, and a sewage discharge pipe 14 is arranged at the lowest part of the bottom of the first tank body 10, so that large-volume impurities can be conveniently discharged.

The second filtering component comprises a second tank body 20, a first filter screen 22 is arranged in the second tank body 20, the first pipe body 16 is connected with the second tank body 20, the first pipe body 16 is positioned on the lower side of the first filter screen 22, a second pipe body 24 is connected to the side wall of the second tank body 20, and the second pipe body 24 is positioned on the upper side of the first filter screen 22. The supernatant in the first tank 10 can enter the second tank 20 through the first tank 10, and the water body can be filtered again by the filter screen in the second tank 20. The second filter assembly further comprises a second support frame 21, and the second tank 20 is placed on the second support frame 21.

The third filter assembly comprises a third tank 30, a suspended filler 34 for adsorbing impurities in the water body is arranged in the third tank 30, the second pipe 24 is connected with the side wall of the third tank 30, and a water outlet pipe 35 is arranged on the side wall of the third tank 30. The suspended filler 34 is a conventional technique, and can adsorb small molecular impurities in the sewage, thereby further purifying the sewage. The filtered water body can be discharged through the water outlet pipe 35. The third filter assembly further includes a third support 40, and the third canister 30 is placed on the third support 40.

The utility model discloses still include the back flush subassembly, the back flush subassembly includes third body 50 and the pump body 51, and the one end and the outlet pipe 35 of third body 50 pass through three-way valve connection, and the other end and the second jar of body 20 of third body 50 are connected, and the pump body 51 sets up on third body 50. The second pipe 24 is provided with a third valve 241. When the bottom of the first filter screen 22 and the first tank 10 needs to be cleaned, the third valve 241 is closed, the pump body 51 is opened, the first filter screen 22 is washed by pumping the water in the third tank 30 to the second tank 20, then the water enters the first tank 10 through the first pipe 16 to wash the bottom of the first tank 10, and then the water is discharged from the sewage pipe 14, so that the washing of the bottom of the first tank 10 is realized in the direction of the first filter screen 22, and the washing of the bottom of the first tank 10 is also realized, and the cleaning is convenient and fast.

The first pipe 16 is provided with a first valve 161. When the first valve 161 is closed, the water body can naturally settle in the first tank 10, and then the first valve 161 is opened, and the supernatant in the first tank 10 enters the second tank 20.

A cage 33 is arranged in the third tank 30, and the suspended filler 34 is positioned in the cage 33. The cage 33 can accommodate a plurality of the floating packings 34, thereby facilitating the whole removal and replacement of the floating packings 34.

A fixing piece 31 is arranged in the third tank 30, and the cage 33 is connected with the fixing piece 31 through a spring 32. The fixing piece 31 is fixed with the inner wall of the third tank 30, the fixing piece 31 is positioned at the bottom of the third tank 30, and due to the action of the spring 32, the fixing piece can shake in a self-adaptive manner when water flows, so that the plurality of suspended fillers 34 in the fixing piece move, and the adsorption effect is improved.

The connection end of the second tube 24 and the third tank 30 is located at the lower side of the cage 33, and the water outlet pipe 35 is located at the upper side of the cage 33.

An activated carbon filter 23 is provided on the upper side of the first screen 22. The activated carbon can filter water.

The top of the first tank 10 is provided with a first cover 15, and the first cover 15 is provided with an air hole. The top of the third tank 30 is provided with a second cover 36, and the second cover 36 is provided with air holes. The air holes can conveniently discharge the gas generated by biological and chemical reactions in the tank body.

The bottom of the second tank 20 is higher than the bottom of the first tank 10. In this way, the quality of the water in the second tank 20 can be ensured.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. A multi-stage wastewater treatment plant, comprising:

2. The multi-stage wastewater treatment apparatus according to claim 1, further comprising a back-washing unit, wherein the back-washing unit comprises a third pipe and a pump, one end of the third pipe is connected to the water outlet pipe via a three-way valve, the other end of the third pipe is connected to the top of the second tank, the pump is disposed on the third pipe, and the second pipe is provided with a third valve.

3. The multi-stage wastewater treatment plant of claim 1 wherein said first pipe has a first valve disposed thereon.

4. The multi-stage wastewater treatment plant according to claim 1, wherein a cage is disposed within said third tank, said suspended solids being disposed within said cage.

5. The multi-stage wastewater treatment plant according to claim 4, wherein a fixing member is provided in the third tank, and the cage is connected to the fixing member by a spring.

6. The multi-stage wastewater treatment plant according to claim 4, wherein the connection end of said second pipe to said third tank is located on the lower side of said cage, and said outlet pipe is located on the upper side of said cage.

7. The multi-stage wastewater treatment plant according to claim 1, wherein an activated carbon filter is provided on the upper side of said first screen.

8. The multi-stage wastewater treatment apparatus according to claim 1, wherein a first cover is disposed on the top of the first tank, and the first cover is provided with air holes.

9. The multi-stage wastewater treatment apparatus according to claim 1, wherein a second cover is disposed on the top of the third tank, and the second cover is provided with air holes.

10. The multi-stage wastewater treatment plant of claim 1, wherein the bottom of said second tank is higher than the bottom of said first tank.