CN205856100U - A kind of Round Sump jet mixing aerobic biochemical reactor - Google Patents

Abstract

The utility model belongs to the field of sewage treatment, in particular to a co-built jet mixing aerobic biochemical reactor, which is characterized in that it is provided with an arc-shaped reactor main body with a convex bottom, and a water inlet pipe is arranged on the reactor main body and an outlet pipe, the reactor body is provided with an aerobic reaction zone and a precipitation zone, wherein the aerobic reaction zone is located in the middle of the reactor body, and the precipitation zone is respectively located on both sides of the aerobic reaction zone, and the precipitation zone and the aerobic reaction zone There are baffles between the zones, and a jet mixing aeration mechanism fixed on the bottom base of the reactor main body is set in the aerobic reaction zone, and the jet mixing aeration mechanism includes a jet mixing aerator inlet pipe, a jet mixing aerator The utility model has the following advantages: it is suitable for the treatment of medical sewage and aquaculture sewage, has the advantages of no noise in operation, simple operation, and convenient operation management.

Description

A joint-built jet-mixing aerobic biochemical reactor

technical field

The utility model belongs to the field of sewage treatment, and in particular relates to a co-built jet mixing aerobic biochemical reactor in sewage aerobic biochemical treatment.

Background technique

At present, the aerobic treatment of domestic medical sewage, aquaculture sewage and other small sewage treatment facilities mostly adopts the contact oxidation process. The contact oxidation process needs to be equipped with microporous aerators, blowers, etc. The microporous aerators are easily damaged, and the blower noise is relatively large. Especially for medical sewage, since most medical institutions are built near residential areas, the noise from blower operation interferes to a certain extent with the normal life of nearby residents. Therefore, the sewage treatment facilities of medical institutions that are closer to residential areas often operate during the day and at night. Outage, resulting in the night sewage can not be completely treated, resulting in a certain degree of environmental pollution.

Contents of the invention

The purpose of this utility model is to provide a jet mixing aerator plus a submersible jet pump as the main equipment, and the jet pump is installed at the bottom of the reactor pool, so that the equipment has basically no noise in operation, and the reaction and precipitation are integrated, which is convenient for operation and management A co-built jet mixing aerobic biochemical reactor with the same advantages.

To achieve the above object, the solution of the present invention is:

A combined jet mixing aerobic biochemical reactor is characterized in that it is provided with a curved reactor body with a convex bottom, and the reactor body is provided with a water inlet pipe and an outlet pipe, and the reactor body is equipped with Aerobic reaction zone and precipitation zone, wherein the aerobic reaction zone is located in the middle of the reactor body, the precipitation zone is located on both sides of the aerobic reaction zone, and a baffle is set between the precipitation zone and the aerobic reaction zone. A jet mixing aeration mechanism fixed on the bottom base of the reactor main body is arranged in the zone, and the jet mixing aeration mechanism includes a jet mixing aerator inlet pipe, a jet mixing aerator and a jet pump.

On the main body of the reactor described in the utility model, a sump is provided at the outer edge corresponding to the sedimentation area, and a water outlet weir plate is provided on the side of the sump near the sedimentation area.

The utility model is also provided with a sludge tank. The sludge tank is located at the bottom of the reactor main body. A sludge discharge hole is provided at the bottom of the reactor main body. The sludge tank is connected with the reactor main body through the sludge discharge hole. The sludge tank is also provided with Sludge discharge pipe.

The baffles described in the utility model include three pieces in total, two short and one long, wherein the baffles close to the aerobic reaction zone are vertical short plates, and the baffles close to the sedimentation zone are provided with vertical plates, and the vertical plates The lower end of the body is provided with an end inclined to the sedimentation area, and the baffle with the longest length is placed between the above two baffles. The outer expanding plate body section and the inner receiving plate body section inclined to the aerobic reaction zone, the length relationship of the three sections of the plate body is as follows: the length of the outer expanding plate body section > the length of the vertical plate body section > the length of the inner receiving plate body section .

In the utility model, the jet mixing aerator, the inlet pipe of the jet mixing aerator, and the jet pump form a jet mixing aeration mechanism. Injection generates negative pressure, air is inhaled through the jet mixing aerator inlet pipe, mixed with the jet mixed liquid in the jet mixing aerator, the oxygen in the air dissolves into the mixed liquid, and finally released into the mixed liquid in the reaction zone, the mixed liquid The microorganisms in the sewage are used to achieve the purpose of degrading the pollutants in the sewage. After the organic matter is degraded by microorganisms, the mixed liquid flows into the sedimentation area through the baffle. The jet mixing aeration system is fixed to the bottom of the reactor through a base installed in the center of the bottom of the tank.

In the utility model, the supernatant liquid in the sedimentation area flows into the sump through the outlet weir plate (overflow weir), and finally is discharged from the reactor through the drain pipe, and the settled sludge enters the sludge tank through the mud discharge hole, and finally passes through the mud discharge pipe regularly. Drain the reactor.

Due to the adoption of the above technical scheme, the utility model has the following advantages: (1) The aerobic biochemical reaction of sewage and the separation of mud and water are integrated into one reactor, which saves land and space, and is convenient for operation and maintenance; (2) Jet mixed exposure The aerator mechanism operates without noise, does not disturb the people, and has a long service life without special maintenance; (3) High oxygenation efficiency, especially suitable for biochemical treatment of medical sewage and aquaculture sewage; (4) Simple operation, convenient operation and management.

Description of drawings

Accompanying drawing 1 is the schematic plan view of the utility model.

Accompanying drawing 2 is the sectional schematic view of the utility model.

Reference signs: sump 1, outlet weir plate 2, sedimentation area 3, baffle plate 4, outlet pipe 5, aerobic reaction area 6, jet mixing aerator 7, jet pump 8, water inlet pipe 9, reactor shell Body 10, sludge discharge pipe 11, sludge tank 12, sludge discharge hole 13, jet mixing aerator inlet pipe 14.

detailed description

Below in conjunction with accompanying drawing, the utility model is further described.

As shown in the accompanying drawings, the utility model proposes a combined jet-mixing aerobic biochemical reactor, which is characterized in that it is provided with an arc-shaped reactor main body with a convex bottom, and a water inlet pipe 9 is provided on the reactor main body. and outlet pipe 5, the reactor body is provided with an aerobic reaction zone 6 and a precipitation zone 3, wherein the aerobic reaction zone 6 is located in the middle of the reactor body, and the precipitation zone 3 is respectively located on both sides of the aerobic reaction zone 6, A baffle plate 4 is provided between the precipitation zone 3 and the aerobic reaction zone 6, and a jet mixing aeration mechanism fixed on the bottom base of the reactor main body is arranged in the aerobic reaction zone 6, and the jet mixing aeration mechanism includes a jet flow Mixing aerator intake pipe 14 , jet mixing aerator 7 and jet pump 8 .

On the main body of the reactor described in the utility model, a sump 1 is provided at the outer edge corresponding to the sedimentation area, and a water outlet weir plate 2 is provided on the side of the sump near the sedimentation area.

The utility model is also provided with a sludge tank 12, the sludge tank 12 is located at the bottom of the reactor main body, and the bottom of the reactor main body is provided with a sludge discharge hole 13, and the sludge tank 12 is connected with the reactor main body through the sludge discharge hole 13, and the sludge A sludge discharge pipe 11 is also provided in the tank 12 .

The baffle plate 4 described in the utility model comprises three pieces in total, two short and one long, wherein the baffle plate close to the aerobic reaction zone is a vertical short plate, and the baffle plate close to the precipitation zone is provided with a vertical plate body, vertically The lower end of the plate body is provided with an end inclined to the sedimentation area, and the baffle with the longest length is placed between the above two baffles, including the connected vertical plate body section from top to bottom, and towards the sedimentation area. The inclined outer expansion plate body section and the inner adduction plate body section inclined to the aerobic reaction zone, the length relationship of the three sections of the plate body is: the length of the outer expansion plate body section > the length of the vertical plate body section > the inner adduction plate body section length.

In the utility model, the jet mixing aerator, the inlet pipe of the jet mixing aerator, and the jet pump form a jet mixing aeration mechanism. Injection generates negative pressure, air is inhaled through the jet mixing aerator inlet pipe, mixed with the jet mixed liquid in the jet mixing aerator, the oxygen in the air dissolves into the mixed liquid, and finally released into the mixed liquid in the reaction zone, the mixed liquid The microorganisms in the sewage are used to achieve the purpose of degrading the pollutants in the sewage. After the organic matter is degraded by microorganisms, the mixed liquid flows into the sedimentation area through the baffle. The jet mixing aeration system is fixed to the bottom of the reactor through a base installed in the center of the bottom of the tank.

In the utility model, the supernatant liquid in the sedimentation area flows into the sump through the outlet weir plate (overflow weir), and finally is discharged from the reactor through the drain pipe, and the settled sludge enters the sludge tank through the mud discharge hole, and finally passes through the mud discharge pipe regularly. Drain the reactor.

The jet mixing aerator 7 described in the present invention, the jet mixing aerator inlet pipe 14, and the jet pump 8 form a jet mixing aeration system. During operation, the water enters the combined jet mixing aerobic biochemical reactor through the water inlet pipe 9, the jet pump 8 absorbs the mixed liquid in the aerobic reaction zone, and then it is injected at high speed through the jet mixing aerator 7 to generate negative pressure, and the air passes through the jet The mixing aerator intake pipe 14 is inhaled, mixed with the jet mixed liquid in the jet mixed aerator 7, the oxygen in the air is dissolved in the mixed liquid and injected, and finally mixed with the mixed liquid in the reaction zone to complete the process of oxygenation and stirring. Under the action of the jet mixing aeration system, the sewage and the reactor mixed liquid are fully contacted and mixed with the microorganisms in the reaction zone, the organic matter in the sewage is degraded by the microorganisms, and the sewage degraded by the microorganisms flows into the sedimentation zone through the baffle for mud-water separation , the sludge containing microorganisms settles downward, and the supernatant flows into the sump through the overflow weir, and finally discharges out of the reactor through the drain. The settled sludge enters the sludge tank through the sludge discharge hole, and finally is regularly discharged from the reactor through the sludge discharge pipe.

The utility model has the following advantages: (1) The aerobic biochemical reaction of sewage and the separation of mud and water are integrated into one reactor, which saves land and space, and is convenient for operation and maintenance; (2) The jet mixing aerator mechanism operates without noise, It does not disturb the people, and has a long service life without special maintenance; (3) High oxygenation efficiency, especially suitable for biochemical treatment of medical sewage and aquaculture sewage; (4) Simple operation, convenient operation and management.

Claims (4)

1. a Round Sump jet mixing aerobic biochemical reactor, it is characterised in that be provided with the bottom reactor for the arc of evagination Main body, reactor body is provided with water inlet pipe and outlet pipe, is provided with aerobic reactor zone and settling zone in described reactor body, its Middle aerobic reactor zone is positioned at reactor body middle part, and settling zone lays respectively at the both sides of aerobic reactor zone, and settling zone is with good It is provided with flow-stopping plate between oxygen reaction zone, aerobic reactor zone is provided with the jet mixing being fixed in reactor body bottom base and exposes Mechanism of qi structure, described jet mixing aeration mechanism includes jet mixing aerator air inlet pipe, jet mixing aerator and jet pump.

A kind of Round Sump jet mixing aerobic biochemical reactor the most according to claim 1, it is characterised in that described reaction In device main body, the outer edge of corresponding settling zone is provided with water leg, and water leg is provided with water outlet weir plate near the side of settling zone.

A kind of Round Sump jet mixing aerobic biochemical reactor the most according to claim 1, it is characterised in that be additionally provided with dirt Mud groove, sludge sump is positioned at the bottom of reactor body, offers mudhole bottom reactor body, and sludge sump is through mudhole and reaction Device main body is connected, and is additionally provided with mud discharge pipe in sludge sump.

A kind of Round Sump jet mixing aerobic biochemical reactor the most according to claim 1, it is characterised in that described baffle Plate includes that two short one is long totally three pieces, and wherein the flow-stopping plate near aerobic reactor zone is vertical short slab, near the flow-stopping plate of settling zone Being provided with vertical plate body, the low side of vertical plate body is provided with the termination tilted to settling zone, and the flow-stopping plate that length is the longest is placed in above-mentioned two Between block flow-stopping plate, include from top to bottom the vertical plate body section being connected, to settling zone tilt extend out plate body section, to aerobic instead Answering the interior receipts plate body section that district tilts, wherein the length relation of three sections of plate bodys is: extend out plate body segment length > vertical plate body segment length > Interior receipts plate body segment length.