CN218465625U - Device capable of realizing automatic sewage discharge of aeration system of integrated sewage treatment equipment - Google Patents

Abstract

The utility model provides a device capable of realizing automatic sewage discharge of an aeration system of integrated sewage treatment equipment, which comprises an underwater communicating pipe, wherein the water inlet end of the underwater communicating pipe is connected with the aeration system positioned in a sewage pool, the water outlet end of the underwater communicating pipe is connected with a sewage discharge pipe, and an underwater communicating valve, a first manual ball valve and a normally closed solenoid valve are sequentially arranged on the pipeline of the sewage discharge pipe towards the water outlet end; near the pipeline of blow off pipe still is connected with the bypass pipe of branch pipeline, sewage after the purification can the intermittent automatic emission, when the solenoid valve was closed, also can prevent that the sewage in the blow off pipe from flowing back to aeration equipment in, the solenoid valve will open in short time for sewage can outwards discharge sewage when not flowing back to aeration equipment in yet, under the prerequisite that makes sewage discharge realize the automation, still ensured aeration equipment can not cause the damage because of sewage backward flow, interior pressure increase.

Description

Device capable of realizing automatic sewage discharge of aeration system of integrated sewage treatment equipment

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a device capable of realizing automatic sewage discharge of an aeration system of integrated sewage treatment equipment.

Background

In the field of domestic sewage treatment, a biochemical treatment technology is an irreplaceable process, aeration and oxygenation equipment is used in the biochemical treatment process, and common aeration modes mainly comprise a membrane type microporous aeration disc, a microporous aeration pipe, a perforated aeration pipe and the like. In order to ensure the aeration uniformity and improve the aeration oxygen utilization rate, the membrane type micropore aeration mode is widely applied, which is particularly common in integrated skid-mounted sewage treatment equipment.

However, in practical engineering application, we find that once sewage enters the aeration pipe, the sewage cannot be discharged due to the fact that the diaphragm of the diaphragm type microporous aeration pipe has a non-return function, and the pressure in the aeration pipe is increased due to long-term operation of an aeration system, so that the aeration diaphragm is damaged, the microporous aeration function of the aeration system is disabled, and the disadvantages of overlarge aeration, uneven aeration and the like are caused. In order to improve the phenomenon, a device capable of realizing automatic sewage discharge of an aeration system of integrated sewage treatment equipment is designed.

Disclosure of Invention

The utility model provides a device capable of realizing automatic sewage discharge of an aeration system of integrated sewage treatment equipment.

The technical scheme of the utility model is that, a device capable of realizing automatic sewage discharge of an aeration system of integrated sewage treatment equipment comprises an underwater communicating pipe, wherein the water inlet end of the underwater communicating pipe is connected with the aeration system positioned in a sewage pool, the water outlet end of the underwater communicating pipe is connected with a sewage discharge pipe, and an underwater communicating valve, a first manual ball valve and a normally closed solenoid valve are sequentially arranged on the pipeline of the sewage discharge pipe towards the water outlet end; the device is characterized in that a bypass pipe of a branch pipeline is further connected to the position near the pipeline of the sewage discharge pipe, the water inlet end of the bypass pipe is located between the first manual ball valve and the submerged communicating valve, the water outlet end of the bypass pipe is connected to the water discharge side of the normally closed solenoid valve and is combined and connected with the water outlet end of the sewage discharge pipe, and a bypass valve is connected to the bypass pipe.

Preferably, the aeration system is provided with a compressed air injection pipe connected to a water inlet end of the submerged communicating valve, and the compressed air injection pipe is fixed with a second manual ball valve.

Preferably, the aeration system is provided with a plurality of casters along the length direction thereof.

Preferably, the normally closed solenoid valve is connected with a time relay adapted thereto.

Preferably, a pressure gauge is arranged at the joint of the sewage draining pipe and the submerged communicating pipe.

Compared with the prior art, the utility model has the advantages that, after integrated sewage treatment device is put into normal use, if because of installation quality problem or shut down after the operation, sewage in the sewage pipeline flows back to aeration equipment, cause the internal pressure increase when starting up the operation again because of sewage jam in aeration equipment, and cause aeration equipment's diaphragm impaired, in the invention, can close the valve on the blow off pipe, sewage flows back to aeration equipment when avoiding shutting down the operation, and under solenoid valve and time relay effect, make during the operation of starting up, sewage after the purification can intermittent automatic discharge, normally closed solenoid valve is controlled next to open and close by time relay and is controlled whether the blowdown of drain pipe is controlled, when the solenoid valve is closed, also can prevent sewage backflow in the blow off pipe to aeration equipment, the solenoid valve can open in shorter time, can outwards discharge sewage when making sewage still not backflow to aeration equipment, so that under the automatic prerequisite of sewage discharge realization, still ensured that aeration equipment can not cause the damage because of sewage backflow, internal pressure increase.

Drawings

Fig. 1 is a schematic plan view of the apparatus of the present system.

In the figure: 1. a submerged communicating pipe; 2. a first manual ball valve; 3. a normally closed solenoid valve; 4. a blow-off pipe; 5. a bypass pipe; 6. a bypass valve; 7. a time relay; 8. a pressure gauge; 9. an aeration system; 10. a submerged communication valve; 11. a compressed air injection pipe; 12. a second manual ball valve; 13. and a caster.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the technical personnel in the field without creative work belong to the protection scope of the present invention.

The embodiment provides a device capable of realizing automatic pollution discharge of an aeration system of integrated sewage treatment equipment, which comprises a submerged communicating pipe 1, wherein the water inlet end of the submerged communicating pipe 1 is connected with the aeration system 9 positioned in a sewage tank, the aeration system 9 is the conventional aeration equipment consisting of an aeration pipe, an aeration nozzle and the like, when the device is actually used, a sub-device as shown in figure 1 is arranged in the sewage tank, a compressed air injection pipe 11 is matched and combined with an external air compressor for use, a second manual ball valve 12 is opened, so that the compressor injects high-pressure gas into the aeration system 9 along the compressed air injection pipe 11, the aeration system 9 sprays the gas into the sewage through the nozzle, oxygen protons in the compressed air fully react with a purifying agent injected into the sewage, the purification speed of the sewage can be greatly improved, the use principle of the conventional aeration system 9 is provided, however, under the conventional general condition, because the sewage pipeline and the gas injection pipeline are connected with the aeration pipeline in the aeration system 9 together, sewage can flow back into the aeration system along the pipeline in the process of stopping the aeration system, the sewage is not easy to discharge in the aeration machine within a short time, the pressure of the aeration machine is rapidly increased, and accordingly, the membrane of the aeration machine is damaged due to overlarge air pressure, in the embodiment, the sewage discharge pipe 4 is connected with the water outlet end of the aeration system 9, and the pipeline of the sewage discharge pipe 4 is sequentially provided with the submerged communicating valve 10, the first manual ball valve 2 and the normally closed electromagnetic valve 3 towards the water outlet end, so that when the aeration system 9 stops working, the submerged communicating valve 10 is closed, the first manual ball valve 2 and the normally closed electromagnetic valve 3 are still in the open state when the aeration system 9 is started, and the sewage in the sewage discharge pipe 4 is prevented from flowing back into the aeration system 9 along the lower pipe 1, this prevents the above-mentioned problems from occurring when the aeration system 9 is started up.

The bypass pipe 5 of branch pipeline is still connected to near the pipeline of blow off pipe 4, and the end of intaking of bypass pipe 5 is located between first manual ball valve 2 and the submerged intercommunication valve 10, and the play water end of bypass pipe 5 is connected in the drainage side of normally closed solenoid valve 3 and is connected with the play water end of blow off pipe 4 and merges, is connected with bypass valve 6 on the bypass pipe 5. The setting of bypass pipe 5 to and set up first manual ball valve 2 on its pipeline for be formed with the collateral branch pipe on the pipeline of blow off pipe 4, at the in-process of in-service use, if normally closed solenoid valve 3 breaks down, when leading to blow off pipe 4 to temporarily unable use, in order not to influence normal work, can open bypass valve 6, make sewage discharge as usual through bypass pipe 5, ensure work efficiency. The normally closed solenoid valve 3 is connected with a time relay 7 matched with the normally closed solenoid valve 3, the time relay 7 is an existing control piece and provided with a contact used for opening and closing, and a time relay function is matched, when the interval time is set and the normally closed solenoid valve is installed on the system for use, the submerged communicating valve 10 and the first manual ball valve 2 are opened in sequence, the normally closed solenoid valve 3 is electrified to ensure that the bypass pipe 5 is in a closed state, the normally closed solenoid valve 3 can be opened and closed according to the fact that the time relay 7 is powered on and off alternately, and the sewage discharge pipe 4 can be automatically and regularly discharged, namely, the normally closed solenoid valve 3 is controlled by the time set by the time relay 7 to achieve the purpose of opening and closing once in the sewage discharge system, and whether the sewage discharge pipe 4 is discharged or not is controlled by the state, when the normally closed solenoid valve 3 is in the closed state after reading seconds, the sewage in the sewage discharge pipe 4 can be prevented from flowing back into the aeration equipment, the solenoid valve 3 is opened again within a short time after reading seconds, the sewage discharge can be discharged again, and the sewage can be discharged again, and the bypass pipe can not be discharged again, and the normal operation of the manual solenoid valve can be ensured, and the bypass pipe 3 can be opened and the bypass pipe can be automatically, and the bypass pipe can be closed automatically, and the bypass pipe can not damaged when the manual ball valve 3 can be opened, and the bypass pipe can be opened manually operated, and the bypass pipe can be opened manually.

A plurality of casters 13 which are convenient for flexible movement when the aeration system 9 is placed in the sewage tank are arranged on the aeration system 9 along the length direction.

The pressure gauge 8 is installed at the joint of the sewage discharge pipe 4 and the submerged communicating pipe 1, the operating pressure state of the aeration system 9 is monitored in real time, and the basis for judging the operation quality of the aeration system 9 is provided for operators or engineers.

It should be noted that: in this embodiment, all valves and pipelines etc. that set up are the UPVC material, and the size is DN25, however, the utility model discloses do not do any restriction to this material and size. In other embodiments, materials such as SS304, glass reinforced plastic, etc., and other suitable dimensions may be provided.

The above detailed description explains the objects, aspects and advantages of the present invention in further detail. It should be understood that the above description is only a specific embodiment of the present invention, and is not intended to limit the scope of the present invention. It should be understood that any modification, equivalent replacement, or improvement made by those skilled in the art without departing from the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a can realize automatic blowdown's of integration sewage treatment device aeration systems device, includes submerged communicating pipe (1), its characterized in that: the water inlet end of the submerged communicating pipe (1) is connected with an aeration system (9) positioned in a sewage pool, the water outlet end of the submerged communicating pipe (1) is connected with a sewage discharge pipe (4), and a submerged communicating valve (10), a first manual ball valve (2) and a normally closed solenoid valve (3) are sequentially arranged on a pipeline of the sewage discharge pipe (4) towards the water outlet end; near the pipeline of blow off pipe (4) still be connected with bypass pipe (5) of branch pipeline, the end of intaking of bypass pipe (5) is located between first manual ball valve (2) and submerged intercommunication valve (10), the play water end of bypass pipe (5) is connected in the drainage side of normally closed solenoid valve (3) and is merged with the play water end of blow off pipe (4) and be connected, be connected with bypass valve (6) on bypass pipe (5).

2. The device for realizing the automatic sewage discharge of the aeration system of the integrated sewage treatment equipment according to claim 1, wherein a compressed air injection pipe (11) connected to the water inlet end of the submerged communicating valve (10) is arranged on the aeration system (9), and a second manual ball valve (12) is fixed on the compressed air injection pipe (11).

3. The device for realizing automatic sewage discharge of the aeration system of the integrated sewage treatment equipment according to the claim 1 is characterized in that a plurality of casters (13) are arranged on the aeration system (9) along the length direction thereof.

4. The device for realizing automatic sewage disposal of the aeration system of the integrated sewage treatment equipment according to the claim 1, wherein the normally closed electromagnetic valve (3) is connected with a time relay (7) adapted with the normally closed electromagnetic valve.

5. The device capable of realizing automatic sewage discharge of the aeration system of the integrated sewage treatment equipment according to claim 1, wherein a pressure gauge (8) is arranged at the joint of the sewage discharge pipe (4) and the submerged communicating pipe (1).

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