CN213570012U - Domestic sewage treatment device - Google Patents

Domestic sewage treatment device Download PDF

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Publication number
CN213570012U
CN213570012U CN202022064991.3U CN202022064991U CN213570012U CN 213570012 U CN213570012 U CN 213570012U CN 202022064991 U CN202022064991 U CN 202022064991U CN 213570012 U CN213570012 U CN 213570012U
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CN
China
Prior art keywords
tank
water pump
water
reaction tank
fixedly arranged
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Expired - Fee Related
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CN202022064991.3U
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Chinese (zh)
Inventor
张金娴
刘少洁
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Individual
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Individual
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Priority to CN202022064991.3U priority Critical patent/CN213570012U/en
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Publication of CN213570012U publication Critical patent/CN213570012U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a domestic sewage treatment device in the technical field of sewage treatment, which comprises a water inlet pipeline and a pre-reaction tank, the lower side wall of the inner cavity of the pre-reaction tank is fixedly provided with a coarse grid fence and a fine grid fence which divide the pre-reaction tank into a raw water tank, a coarse filter tank and a fine filter tank, a first water pump is fixedly arranged on the lower side wall of the inner cavity of the coarse filtration tank, a first sewage discharge pipeline is connected with a flange at the water outlet end of the first water pump, the right side wall of the inner cavity of the pre-reaction tank is fixedly provided with a second water pump, the utility model has reasonable design, the raw water is primarily filtered through the coarse grid fence and the fine grid fence to realize primary decontamination of the raw water, the sludge is recycled through the sludge return pipe, the sludge waste is reduced, and the contact area between the aeration pipe and water is enlarged through uniform distribution of the aeration pipe, so that the sludge is fully precipitated.

Description

Domestic sewage treatment device
Technical Field
The utility model relates to a sewage treatment technical field specifically is a domestic sewage treatment device.
Background
The water purification is an important component of sewage treatment devices, and water resources in daily life are polluted secondarily due to invasion of sewage discharged from surrounding residences, public places, hospitals and industrial equipment, and the quality of domestic water of people is seriously affected due to the fact that the sewage contains a large amount of pathological microorganisms, sludge and harmful attachment components, so that the sewage treatment device is increasingly required in life to purify and filter the sewage so as to improve the water quality and meet the requirement standard of people on the domestic water.
The existing sewage treatment device has the defects of incomplete decontamination, lack of sludge backflow treatment, uneven aeration and lack of multi-layer filtration links, so that the purification, filtration and disinfection are insufficient, and therefore, the domestic sewage treatment device is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a domestic sewage treatment device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a domestic sewage treatment device comprises a water inlet pipeline and a pre-reaction tank, wherein a coarse grid fence and a fine grid fence are fixedly arranged on the lower side wall of an inner cavity of the pre-reaction tank, the pre-reaction tank is divided into a raw water tank, a coarse filter tank and a fine filter tank by the coarse grid fence and the fine grid fence, a first water pump is fixedly arranged on the lower side wall of the inner cavity of the coarse filter tank, a first sewage discharge pipeline is connected with a water outlet end flange of the first water pump, a second water pump is fixedly arranged on the right side wall of the inner cavity of the pre-reaction tank, a CASS reaction tank is fixedly arranged on the right side of the pre-reaction tank, a CASS reaction tank is connected with a water outlet end pipeline of the second water pump, a third water pump is fixedly arranged on the lower side wall of the inner cavity of the CASS reaction tank, a rear part of the CASS reaction tank is fixedly arranged, an air outlet pipeline of a blower is connected with an aeration pipe, a, the right-hand fixed contact tank that is provided with of CASS reaction tank, the outlet end pipe connection of fourth water pump has the contact tank, the fixed fifth water pump that is provided with of right side wall of the inner chamber of contact tank, the right-hand fixed filtering ponds that is provided with of contact tank, the outlet end pipe connection of fifth water pump has the filtering ponds, the fixed sixth water pump that is provided with in bottom of the right side wall of the inner chamber of filtering ponds, the fixed filter layer that is provided with of left side wall of the inner chamber of filtering ponds, the fixed seventh water pump that is provided with in top of the right side wall of the inner chamber of filtering ponds, the outlet end flange joint of seventh water pump has outlet conduit.
Preferably, the filter layer comprises an activated carbon filter layer and a sand filter layer.
Preferably, the water outlet end flange of the sixth water pump is connected with a backflow pipeline, and the water outlet end flange of the third water pump is connected with a backflow pipeline.
Preferably, the water outlet end of the return pipeline faces the raw water pool.
Preferably, the aeration pipe comprises an air distribution pipe and an aeration round pipe.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a rationally, carry out prefiltration to the raw water through thick check fence and thin check fence, realize tentatively decontaminating the raw water, carry out sludge recycling through the mud back flow and recycle, it is extravagant to reduce mud, enlarge the area of contact with water through aeration pipe evenly distributed and carry out abundant aeration and make mud obtain abundant sediment, realize clear water and mud separation and purification, further get rid of through the microorganism that multilayer filtration contains in to the clear water, realize that the clear water obtains abundant filtration disinfection and purification, through throwing into disinfectant in to the clear water, realize the clear water further disinfection.
Drawings
FIG. 1 is a schematic view of the overall structure of a domestic sewage treatment apparatus of the present invention;
FIG. 2 is a top view of an aerator pipe of the domestic sewage treatment apparatus of the present invention;
figure 3 is a side view of the CASS reaction tank of the domestic sewage treatment device.
In the figure: 1. a water inlet pipe; 2. a pre-reaction tank; 3. a coarse grid fence; 4. a blowdown line; 5. fine grid fences; 6. a second water pump; 7. a CASS reaction tank; 8. an aeration pipe; 81. an aeration circular pipe; 82. an air distribution pipe; 9. a fourth water pump; 10. a contact tank; 11. a fifth water pump; 12. a filtration tank; 13. a sixth water pump; 14. a seventh water pump; 15. a raw water pool; 16. a sand filtration layer; 17. an activated carbon filter layer; 18. a return line; 19. a filter layer; 20. a coarse filtration tank; 21. a third water pump; 22. a first water pump; 23. a blower; 24. and (4) a fine filter.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a domestic sewage treatment device as shown in figures 1-3, which comprises a water inlet pipeline 1 and a pre-reaction tank 2, wherein a coarse grid fence 3 and a fine grid fence 5 are fixedly arranged on the lower side wall of the inner cavity of the pre-reaction tank 2, the pre-reaction tank 2 is divided into a raw water tank 15, a coarse filtration tank 20 and a fine filtration tank 24 by the coarse grid fence 3 and the fine grid fence 5, a first water pump 22 is fixedly arranged on the lower side wall of the inner cavity of the coarse filtration tank 20, a first sewage discharge pipeline 4 is connected with a water outlet end flange of the first water pump 22, a second water pump 6 is fixedly arranged on the right side wall of the inner cavity of the pre-reaction tank 2, a CASS reaction tank 7 is fixedly arranged on the right side of the pre-reaction tank 2, a water outlet end pipeline of the second water pump 6 is connected with the CASS reaction tank 7, a third water pump 21 is fixedly arranged on the lower side wall of the inner cavity of the CASS reaction tank 7, an air blower 23, the right side wall of the inner cavity of the CASS reaction tank 7 is fixedly provided with a fourth water pump 9, the right side of the CASS reaction tank 7 is fixedly provided with a contact tank 10, the water outlet end pipeline of the fourth water pump 9 is connected with the contact tank 10, the right side wall of the inner cavity of the contact tank 10 is fixedly provided with a fifth water pump 11, the right side of the contact tank 10 is fixedly provided with a filter tank 12, the water outlet end pipeline of the fifth water pump 11 is connected with a filter tank 12, the bottom of the right side wall of the inner cavity of the filter tank 12 is fixedly provided with a sixth water pump 13, the left side wall of the inner cavity of the filter tank 12 is fixedly provided with a filter layer 19, the top of the right side wall of the inner cavity of the filter tank 12 is fixedly provided with a seventh water pump 14, the water outlet end flange of the seventh water pump 14 is connected with.
The filter layer 19 comprises an active carbon filter layer 17 and a sand filter layer 16, and the active carbon filter layer 17 further adsorbs microorganisms in the clean water and then filters the clean water through the sand filter layer 16;
a water outlet end flange of the sixth water pump 13 is connected with a return pipeline 18, a water outlet end flange of the third water pump 21 is connected with the return pipeline 18, the sixth water pump 13 and the third water pump 21 are connected with the return pipeline 18, and the return pipeline 18 is used for recycling the filtered and precipitated sludge again;
the water outlet end of the return pipeline 18 faces the raw water pool 15, and the return pipeline 18 puts the recovered sludge into the raw water pool 15 again for sludge circulation treatment;
the aeration pipe 8 comprises an air distribution pipe 82 and an aeration round pipe 81, and the aeration pipe is placed in the CASS reaction tank 7, so that the CASS reaction tank 7 is fully aerated.
The working principle is as follows: in the concrete construction operation, waste sewage enters a pre-reaction tank 2 from a water inlet pipeline 1, sludge sundries are preliminarily filtered through a coarse grid fence 3 and a fine grid fence 5, sludge is fully aerated through an aeration pipe 8 in a CASS reaction tank 7 to be fully precipitated again, a disinfectant is put into a contact tank 10 to perform primary disinfection treatment on clean water, an active carbon filter layer 17 in a filter tank 12 adsorbs microorganisms in the clean water, a sand filter layer 16 performs filtration and purification treatment, precipitates flow back into a raw water tank 15 through a backflow pipeline 18 to perform circulation treatment, surface layer clean water is put into the disinfectant to perform secondary disinfection treatment, and finally clean water is output through a seventh water pump 14.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a domestic sewage treatment device, includes inlet channel (1) and pre-reaction tank (2), its characterized in that: the pre-reaction tank is characterized in that a coarse grid fence (3) and a fine grid fence (5) are fixedly arranged on the lower side wall of an inner cavity of the pre-reaction tank (2), the coarse grid fence (3) and the fine grid fence (5) divide the pre-reaction tank (2) into a raw water tank (15), a coarse filter tank (20) and a fine filter tank (24), a first water pump (22) is fixedly arranged on the lower side wall of the inner cavity of the coarse filter tank (20), a first sewage discharge pipeline (4) is connected to a water outlet end flange of the first water pump (22), a second water pump (6) is fixedly arranged on the right side wall of the inner cavity of the pre-reaction tank (2), a CASS reaction tank (7) is fixedly arranged on the right side of the pre-reaction tank (2), a CASS reaction tank (7) is connected to a water outlet end pipeline of the second water pump (6), a third water pump (21) is fixedly arranged on the lower side wall of the inner cavity of the CASS reaction tank (7), and an air, an air outlet pipeline of the air blower (23) is connected with an aerator pipe (8), a fourth water pump (9) is fixedly arranged on the right side wall of an inner cavity of the CASS reaction tank (7), a contact tank (10) is fixedly arranged on the right side of the CASS reaction tank (7), a water outlet end pipeline of the fourth water pump (9) is connected with the contact tank (10), a fifth water pump (11) is fixedly arranged on the right side wall of the inner cavity of the contact tank (10), a filter tank (12) is fixedly arranged on the right side of the contact tank (10), a water outlet end pipeline of the fifth water pump (11) is connected with a filter tank (12), a sixth water pump (13) is fixedly arranged at the bottom of the right side wall of the inner cavity of the filter tank (12), a filter layer (19) is fixedly arranged on the left side wall of the inner cavity of the filter tank (12), and a seventh water pump (14) is fixedly arranged at the top of the right side, and the water outlet end of the seventh water pump (14) is connected with a water outlet pipeline through a flange.
2. The domestic sewage treatment apparatus according to claim 1, wherein: the filter layer (19) comprises an activated carbon filter layer (17) and a sand filter layer (16).
3. The domestic sewage treatment apparatus according to claim 1, wherein: and the water outlet end of the sixth water pump (13) is connected with a return pipeline (18) in a flange mode, and the water outlet end of the third water pump (21) is connected with the return pipeline (18) in a flange mode.
4. The domestic sewage treatment apparatus according to claim 3, wherein: the water outlet end of the return pipeline (18) faces the raw water pool (15).
5. The domestic sewage treatment apparatus according to claim 1, wherein: the aeration pipe (8) comprises an air distribution pipe (82) and an aeration round pipe (81).
CN202022064991.3U 2020-09-21 2020-09-21 Domestic sewage treatment device Expired - Fee Related CN213570012U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022064991.3U CN213570012U (en) 2020-09-21 2020-09-21 Domestic sewage treatment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022064991.3U CN213570012U (en) 2020-09-21 2020-09-21 Domestic sewage treatment device

Publications (1)

Publication Number Publication Date
CN213570012U true CN213570012U (en) 2021-06-29

Family

ID=76576186

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022064991.3U Expired - Fee Related CN213570012U (en) 2020-09-21 2020-09-21 Domestic sewage treatment device

Country Status (1)

Country Link
CN (1) CN213570012U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210629

CF01 Termination of patent right due to non-payment of annual fee