CN208071534U - A kind of integral domestic sewage treatment device - Google Patents

Abstract

A kind of integral domestic sewage treatment device, it is characterised in that：Including babinet, babinet is equipped with wastewater inlet and outlet of sewer, vertically arranged partition board is equipped in babinet, space in babinet is separated into anaerobic pond, aerobic tank and the sedimentation basin being arranged by drainage flow direction by partition board, partition board bottom between the anaerobic pond and aerobic tank was equipped with water ravine, immersible pump is equipped in anaerobic pond, aerator is equipped in aerobic tank, immersible pump is connect by outlet pipe with aerator, partition board middle and upper part between the aerobic tank and sedimentation basin is equipped with water hole, and the water pipe excessively for stretching into sedimentation basin is equipped in water hole.The utility model is compact-sized, occupation of land is few, and performance is stablized, reliable for operation, and sewage treating efficiency is high, and sludge yield is few, and treated sewage quality is reliable and stable, completely can be with qualified discharge, moreover, safeguarding that simply operating cost is low.

Description

An integrated domestic sewage treatment device

technical field

The utility model belongs to the technical field of sewage treatment equipment, in particular to an integrated domestic sewage treatment device.

Background technique

With the acceleration of the urbanization process, the economy has developed rapidly, and at the same time it has caused damage to water resources. There is a lack of sewage collection and treatment facilities, and sewage is discharged randomly. More than 95% of the villages and more than 90% of the small market towns in the country do not have complete sewage collection and treatment facilities. The domestic sewage and some agricultural and animal industry wastewater produced are almost directly discharged into local water bodies (rivers, ponds, etc.) without any treatment. Serious pollution of rural water environment.

The existing sewage treatment equipment has a large sewage treatment capacity, and if it is applied to the domestic sewage treatment in villages and towns, it is tantamount to overkill. Moreover, due to the large size and complex structure of this equipment, once the equipment breaks down, it needs to be shut down for maintenance, which is inconvenient for maintenance and the operating cost is too high.

Contents of the invention

The technical problem to be solved by the utility model is to propose an integrated domestic sewage treatment device with compact structure, small volume, low operating cost and convenient maintenance in view of the deficiencies of the prior art.

The technical problem to be solved by the utility model is achieved through the following technical scheme, an integrated domestic sewage treatment device, which is characterized in that it includes a box body, the box body is provided with a sewage inlet and a sewage outlet, and the box body is provided with The vertical partition divides the space in the box into anaerobic tank, aerobic tank and sedimentation tank set according to the direction of sewage flow. The bottom of the partition between the anaerobic tank and the aerobic tank is provided with a In the water stream, a submersible pump is provided in the anaerobic tank, and an aeration device is provided in the aerobic tank. The submersible pump is connected to the aeration device through the outlet pipe. The water hole is provided with a water pipe extending into the sedimentation tank in the water hole.

Further, the aeration device includes a connected top pipe and a tail pipe, and the top pipe includes a negative pressure jet section, a throat section and a conical diffuser section connected in sequence from top to bottom, and at the top of the negative pressure jet section and A water inlet and an air inlet are respectively opened on the side wall, and a plurality of jet tubes connected with the tail pipe are arranged on the tail pipe.

Further, the jet tube is set in a tapered structure with a large water inlet and a small water outlet.

Further, the jet tube includes a jet side tube and a jet bottom tube, the jet side tubes are arranged in a circumferential array along the side of the tail tube, and the jet bottom tube is arranged at the bottom of the tail tube.

Further, the number of the jet side pipes is at least four.

Furthermore, a pre-cutter is provided in the water outlet of part or all of the jet side pipes, and the pre-cutter is a porous sieve plate or a filter net wound by elongated sheet metal wires.

Further, the water outlets of part or all of the jet side pipes are outwardly connected with a gas-liquid cutting device, the gas-liquid cutting device includes a cylinder body, the cylinder body includes a water inlet end and a water outlet end, and the water inlet end and the water outlet end A plurality of cutting rods are arranged at intervals in the cylinder, the outer ends of the cutting rods are fixed on the cylinder body, the inner ends of the cutting rods are arranged towards the central axis of the cylinder body, and a cutting head is arranged on the inner ends of the cutting rods.

Further, the bioreactor also includes a base, and the tail pipe is installed on the base.

Further, the aeration device also includes a biological hatching tube, the biological hatching tube includes a tube body, the tube body is arranged between the jacking tube and the tail tube, and is respectively connected to the jacking tube and the tail tube, and a tube body is arranged outside the tube body. The sleeve is provided with a number of permeable holes, the sleeve is filled with microbial materials, and the sleeve is also equipped with a far-infrared generator.

The microbial material described in the utility model is microbial bacterial agent, activated sludge or microbial gel group.

Further, the microbial material is a microbial gel group.

The microbial gel group described in the utility model is to fix selected microorganisms on natural polymer gel carriers (agar, calcium alginate, etc.) and organic synthetic polymer gel carriers (such as polyvinyl alcohol) by immobilized microorganism technology It is prepared on PVA, polyacrylamide (ACAM, etc.), which can make microorganisms highly dense and maintain biological activity, and can multiply rapidly and in large quantities under suitable conditions.

The microbial gel group described in the utility model can be any microbial gel group disclosed in the prior art or commercially available that can be applied to the utility model.

Further, a far-infrared ray generator is also provided in the tube sleeve.

The far-infrared ray generator described in the utility model can be any far-infrared ray generator disclosed in the prior art or commercially available that can be applied to the utility model.

Further, at least one water pipe is provided, and a mud collecting bucket is correspondingly provided at the bottom of the sedimentation tank opposite to each water pipe. The sludge return pipeline is provided with a return pump on the sludge return pipeline between the aerobic tank and the sludge collection bucket; the sludge return pipeline is also provided with a sludge discharge pipeline protruding from the box, and the sludge discharge pipeline is Equipped with mud discharge valve.

Further, the water passing pipe includes a horizontal section and a vertical section, and the vertical section of the water passing pipe is arranged on the central axis of the mud collecting bucket corresponding to it.

Further, a reflection plate is provided under the vertical section of the water pipe.

Furthermore, an overflow weir is provided on the box close to the sewage outlet, and the overflow weir is set in a sawtooth shape.

Compared with the prior art, the utility model first enters the domestic sewage from the sewage inlet into the anaerobic pool for biodegradation, part of the degraded sewage is pumped into the aerobic pool through the submersible pump, and part of it flows into the aerobic pool through the water stream. The sewage pumped into the aerobic tank first flows through the aeration device, and then the aeration device forms a jet flow into the aerobic tank; after the sewage in the aerobic tank is nitrified by aerobic microorganisms, the nitrifying liquid is sucked into the anaerobic tank through the pump. The sewage treated in the aerobic tank flows into the sedimentation tank through the water pipe, and the sludge settled in the sedimentation tank is collected by the sludge collection bucket, and is pumped into the anaerobic tank through the return pump, and the sludge and water are separated in the sedimentation tank The final supernatant overflows through the overflow weir and is discharged from the sewage outlet. Among them, the aeration device can not only increase the dissolved oxygen in the aerobic tank, but also stir the sewage in the aerobic tank, increase the contact area between the aerobic microorganisms and the sewage, and further improve the nitrification efficiency. The utility model has the advantages of compact structure, less land occupation, stable performance, reliable operation, high sewage treatment efficiency, less sludge output, stable and reliable water quality of the treated sewage, which can fully meet the standard discharge, simple maintenance and low operating cost.

Description of drawings

Fig. 1 is the front view of the utility model;

Fig. 2 is the top view of the utility model;

Fig. 3 is the structural representation of the utility model aeration device;

Fig. 4 is a left view of the utility model gas-liquid cutting device;

Fig. 5 is a cross-sectional view of the gas-liquid cutting device of the present invention.

Detailed ways

The utility model will be further described in detail below in conjunction with specific embodiments and accompanying drawings, but the implementation of the utility model is not limited thereto.

The utility model is an integrated domestic sewage treatment device. Referring to Fig. 1-5, the device includes a box body 3, which is provided with a sewage inlet 4 and a sewage outlet 8, and the box body 3 is provided with a vertically arranged Partition plate 12, partition plate 12 divides the space in casing 3 into anaerobic pond 5, aerobic pond 6 and settling pond 7 arranged by sewage flow direction, between described anaerobic pond 5 and aerobic pond 6 The bottom of the dividing plate 12 is provided with a water stream 2, a submersible pump 13 is provided in the anaerobic tank 5, an aeration device 1 is provided in the aerobic tank 6, and the submersible pump 13 is connected with the aeration device 1 through an outlet pipe, so The upper part of the dividing plate 12 between the aerobic tank 6 and the sedimentation tank 7 is provided with a water hole, and a water pipe extending into the sedimentation tank 7 is provided in the water hole.

The anaerobic pool 5 is provided with a water level controller (not shown) that is linked to control the startup or shutdown of the submersible pump 13. When the water level in the anaerobic pool 5 reaches the set pump start water level, the water level controller controls the submersible pump 13 to start or shut down. The pump 13 starts to discharge the sewage into the aerobic pool 6; when the water level in the anaerobic pool 5 reaches the set pump stop water level, the water level controller controls the submersible pump 13 to close and stop the sewage discharge.

The anaerobic tank 5 and the aerobic tank 6 are combined with the submersible pump 13 and the aeration device 1 to form a closed-loop internal circulation, and this circulation has dual functions of nitrifying liquid backflow and hydraulic stirring.

The aerobic pool 6 is equipped with pH, dissolved oxygen, and temperature monitoring instruments, which can monitor sewage indicators in real time.

The sedimentation tank 7 is a vertical flow sedimentation tank, and the sludge settles in the sedimentation tank.

The aeration device 1 includes a top pipe 104 and a tail pipe 102 connected up and down, and the top pipe 104 includes a negative pressure jet section 1040, a throat section 1043 and a conical diffuser section 1044 connected sequentially from top to bottom. A water inlet 1041 and an air inlet 1042 are respectively opened on the top and side walls of the jet section 1040 , and a plurality of jet tubes connected with the tail pipe 102 are provided on the tail pipe 102 .

The jet tube is set as a tapered structure with a large water inlet and a small water outlet.

The jet tube includes a jet side tube 101 and a jet bottom tube 106 , the jet side tube 101 is arranged in a circumferential array along the side of the tail tube 102 , and the jet bottom tube 106 is arranged at the bottom of the tail tube 102 .

The number of the jet side pipes 101 is at least four.

A pre-cutter 1053 is provided in the water outlet of part or all of the jet side pipes 101, and the pre-cutter 1053 is a porous sieve plate or a filter net wound by elongated sheet metal wires.

The water outlet of the part or all of the jet side pipe 101 is outwardly connected with a gas-liquid cutting device 105, the gas-liquid cutting device 105 includes a cylinder 1050, and the cylinder 1050 includes a water inlet 1053 and a water outlet 1055, between the water inlet 1053 and A plurality of cutting rods 1051 are arranged at intervals in the cylinder body 1050 between the water outlets 1055. The outer ends of the cutting rods 1051 are fixed on the cylinder body 1050, and the inner ends of the cutting rods 1051 are arranged toward the central axis of the cylinder body 1050. A cutting head 1052 is provided on the inner end of the cylinder body; the gas-liquid cutting device 105 collides with and cuts the sewage and air bubbles entering the cylinder body 1050, which is beneficial to generate more and finer micron air bubbles to increase oxygen transmission. quality efficiency.

The aeration device 1 also includes a biological hatching tube 103, and the biological hatching tube 103 includes a tube body 1031, and the tube body 1031 is arranged between the top tube 104 and the tail tube 102, and is respectively connected to the top tube 104 and the tail tube 102. , the pipe body 1031 is provided with a pipe sleeve 1030, and the pipe sleeve 1030 is provided with a number of permeable holes, the pipe sleeve 1030 is filled with microbial materials, and the pipe sleeve 1030 is also provided with a far-infrared generator (not shown).

The microbial material is a microbial gel group.

The biological incubation tube 103 is filled with microbial gel group 1032, which can not only increase the density of microbial flora, improve the efficiency of biological treatment, but also improve the impact resistance of microbial flora.

The far-infrared generator can generate infrared light beneficial to the growth of microorganisms, which can significantly accelerate the metabolism of microorganisms in sewage and improve the activity of microorganisms, thereby accelerating the decomposition of pollutants in sewage by microorganisms, which is very effective for further improving the efficiency of sewage treatment .

The aeration device 1 also includes a base 100 on which the tailpipe 102 is installed.

The aeration device 1 can suck air into the water, thereby oxygenating the aerobic tank 6, and the reactor is filled with a composite microbial carrier, which can promote the formation of primary dissolved air between water and air, and allow the oxygen in the air to penetrate into the In the activated sludge layer, the close combination of mud, water and air is realized, the separation speed is slowed down, and the returning mud-water mixture is sprayed strongly at the bottom of the pool, ensuring that the biochemical sludge can always be in the pool. One area can be filled with oxygen and turned over to improve the efficiency of nitrification reaction in the aerobic section.

There is at least one water-passing pipe, and a mud-collecting bucket 18 is correspondingly arranged at the bottom of the sedimentation tank 7 opposite to each water-passing pipe. The sludge return pipeline 16 at the end is provided with a return pump 11 on the sludge return pipeline 16 between the aerobic tank 6 and the sludge collection bucket 18; the sludge return pipeline 16 is also provided with an extension box 3, the mud discharge pipeline 14 is provided with a mud discharge valve.

The water passing pipe includes a horizontal section 17 and a vertical section 9, and the vertical section 9 of the water passing pipe is arranged on the central axis of the mud collecting bucket 18 corresponding to it.

A reflection plate 10 is provided below the vertical section 9 of the water pipe, and the reflection plate 10 can buffer and divert the sewage flowing out of the water pipe to avoid disturbing the sediment formed in the mud collecting bucket 18 .

An overflow weir 19 is provided on the box body 3 close to the sewage outlet 8, and the overflow weir 19 is arranged in a zigzag shape.

The mud collecting bucket 18 is in the shape of a chamfered platform, and the side wall of the mud collecting bucket 18 is at an inclination angle of 60° to the horizontal plane, which is convenient for the sludge to settle and discharge.

The bottom of the box body 3 is provided with feet (not shown).

When the utility model is in use, there is no blockage in the pool body, the space of each pool body is fully utilized, there is no dead angle, and the sludge and sewage can be mixed in each pool body, which is especially suitable for residential areas and domestic sewage. area.

Claims (10)

1. An integrated domestic sewage treatment device, characterized in that: it includes a box body, the box body is provided with a sewage inlet and a sewage outlet, and the box body is provided with a vertical partition, which separates the space in the box body An anaerobic pond, an aerobic pond and a sedimentation pond are arranged according to the flow direction of the sewage. The bottom of the partition between the anaerobic pond and the aerobic pond is provided with a water stream, and a submersible pump is arranged in the anaerobic pond. There is an aeration device in the pool, and the submersible pump is connected to the aeration device through the outlet pipe. The middle and upper part of the partition between the aerobic tank and the sedimentation tank is provided with a water hole, and a water hole extending into the sedimentation tank is provided in the water hole. water pipe. 2. The integrated domestic sewage treatment device according to claim 1, characterized in that: the aeration device includes connected jacking pipes and tail pipes, and the jacking pipes include negative pressure jet sections connected sequentially from top to bottom , a throat section and a tapered diffuser section, water inlets and air inlets are respectively opened on the top and side walls of the negative pressure jet section, and a plurality of jet tubes connected with the tailpipe are arranged on the tailpipe. 3. The integrated domestic sewage treatment device according to claim 2, characterized in that: the jet pipe is set in a conical structure with a large water inlet and a small water outlet. 4. The integrated domestic sewage treatment device according to claim 2, characterized in that: the jet tube includes a jet side tube and a jet bottom tube, the jet side tubes are arranged in a circumferential array along the side of the tail pipe, and the jet bottom tube The tube is located at the bottom of the tailpipe. 5. The integrated domestic sewage treatment device according to claim 4, characterized in that: the water outlet of part or all of the jet side pipes is connected outwards with a gas-liquid cutting device, the gas-liquid cutting device includes a cylinder, the cylinder The body includes a water inlet end and a water outlet end. A plurality of cutting rods are arranged at intervals in the cylinder between the water inlet end and the water outlet end. The outer ends of the cutting rods are fixed on the cylinder body, and the inner ends of the cutting rods are set toward the central axis of the cylinder body. A cutting head is provided on the inner end of the cutting rod. 6. The integrated domestic sewage treatment device according to claim 2, characterized in that: the aeration device also includes a biological hatching tube, the biological hatching tube includes a tube body, and the tube body is arranged between the jacking tube and the tail tube , and respectively connected with the jacking pipe and the tail pipe, the pipe casing is provided with a pipe sleeve, and a number of water-permeable holes are arranged on the pipe sleeve, the pipe sleeve is filled with microbial materials, and a far-infrared generator is also provided inside the pipe sleeve. 7. The integrated domestic sewage treatment device according to claim 1, characterized in that: at least one water pipe is provided, and a mud collecting bucket is correspondingly arranged at the bottom of the sedimentation tank opposite to each water pipe, and the mud collecting The bottom of the hopper is provided with a sludge return pipeline that passes through the water stream and extends into the rear end of the anaerobic tank, and a return pump is provided on the sludge return pipeline between the aerobic tank and the sludge collection bucket; A mud discharge pipeline protruding from the box body is also provided, and a mud discharge valve is arranged on the mud discharge pipeline. 8. The integrated domestic sewage treatment device according to claim 7, characterized in that: the water passing pipe includes a horizontal section and a vertical section, and the vertical section of the water passing pipe is set at the center of the mud collecting bucket corresponding to it axis. 9. The integrated domestic sewage treatment device according to claim 8, characterized in that: a reflection plate is provided below the vertical section of the water passing pipe. 10. The integrated domestic sewage treatment device according to claim 1, characterized in that: an overflow weir is provided on the box close to the sewage outlet, and the overflow weir is set in a zigzag shape.