CN218148818U

CN218148818U - Basement sump back-flushing device

Info

Publication number: CN218148818U
Application number: CN202222421419.7U
Authority: CN
Inventors: 范永伟
Original assignee: TAIYUAN ARCHITECTURAL DESIGN AND RESEARCH INSTITUTE
Current assignee: TAIYUAN ARCHITECTURAL DESIGN AND RESEARCH INSTITUTE
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2022-12-27
Anticipated expiration: 2032-09-14

Abstract

The utility model relates to a basement sump pit anti-washing unit belongs to basement drainage field, has solved long-term ponding in current sump pit and the pipeline and worsen corruption and the frozen problem of ponding in influence sanitation and the pipeline that arouses, and the technical scheme of adoption is: the water outlet of the submersible sewage pump is connected with a check valve through a pipeline, the check valve is communicated with one end of a gate valve through a connecting pipe, and the other ends of the two gate valves are communicated with the outlet of a waste water pipe after being connected in parallel through the connecting pipe; be connected with the back flush pipe on the connecting pipe between check valve and the gate valve, be provided with back flush control flap in the middle of the back flush pipe, back flush pipe and flushing pipe intercommunication, the flushing pipe encircles the setting of sump pit inner wall, and a plurality of holes of washing have been seted up at the interval on the sump pit, the utility model discloses a back flush unit simple structure through closing out the water pipe valve, opening back flush pipe-line system valve, realizes that automatic cycle is clean, can also be in addition all let out to the sump pit with the interior ponding of pipeline, realizes not ponding in the pipeline.

Description

Basement sump back-flushing device

Technical Field

The utility model belongs to basement drainage field, concretely relates to basement sump back washing unit.

Background

The ground of a basement of a building is generally lower than an outdoor terrace, drainage (ground flushing wastewater, fire drainage, accident drainage and the like) of the ground of the basement can not automatically flow to an outdoor rain (sewage) pipe network through gravity, a sump pit needs to be arranged on the ground of the basement to collect ground drainage, and a submersible sewage pump is arranged in the sump pit to pressurize and lift the drainage to the outdoor rain (sewage) pipe network. However, two very significant problems currently exist with this approach:

1. because the basement sump is generally open, water is stored in the sump for a long time and is inconvenient to clean manually, accumulated water in the sump deteriorates to generate odor, and the environmental sanitation of the basement is seriously influenced; a check valve is arranged on a water outlet pipe of the submersible sewage pump, accumulated water from the back of the check valve (along the water flow direction) to an outlet of an outdoor pipeline cannot be drained normally, the accumulated water is deteriorated and decayed for a long time, stink is emitted at an outdoor drainage inspection well, and the environmental sanitation is also influenced.

2. The water outlet pipe of the submersible sewage pump is provided with a check valve, accumulated water from the back of the check valve (along the water flow direction) to the outlet of an outdoor pipeline cannot be drained normally, the pipeline is filled with the accumulated water all the time, a pressure drainage pipeline usually cannot be designed to prevent the water in the pipeline from freezing, or the pipeline is only considered to be prevented from freezing and insulated, the pipeline is only prevented from freezing and insulated in the extremely low temperature weather of a cold and severe cold area, the freezing time of the accumulated water in the pipeline is only delayed, the freezing problem of the accumulated water in the pipeline is not fundamentally solved, the accumulated water in the pipeline still freezes under the long-time extremely low temperature condition, once the accumulated water in the pipeline freezes, the water in a basement sump pit cannot be drained normally, and the serious influence is generated in the working condition of fire-fighting drainage or accident drainage. In order to solve the problem, the pipeline can be subjected to electric tracing heat preservation and anti-freezing heat preservation in cold and severe cold areas, but the pipeline can generate power consumption and is not energy-saving.

The two outstanding problems existing at present are very common in places such as basements of residential districts, underground parking garages and the like, and no effective solution is provided at present.

SUMMERY OF THE UTILITY MODEL

For long-term ponding deterioration corruption and the frozen problem of ponding in influence sanitation and the pipeline that arouses in solving current sump pit and the pipeline, the utility model provides a basement sump pit back flush unit. The utility model discloses a back washing unit simple structure through closing out the water pipe valve, opening back flush pipe-line system valve, realizes that automatic cycle is clean, can also be with in the pipeline ponding whole let out to the sump pit in addition, realizes not ponding in the pipeline.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a basement sump backwashing device comprises two sewage submersible pumps arranged at the bottom of a sump, wherein water outlets of the sewage submersible pumps are connected with check valves through pipelines, the check valves are communicated with one ends of gate valves through connecting pipes, and the other ends of the two gate valves are communicated with outlets of waste water pipes after being connected in parallel through the connecting pipes; a back-flushing pipe is connected to a connecting pipe between the check valve and the gate valve, a back-flushing control valve is arranged in the middle of the back-flushing pipe, the back-flushing pipe is communicated with the flushing pipe, the flushing pipe is arranged around the inner wall of the water collecting pit, and a plurality of flushing water holes are formed in the flushing pipe at intervals.

Furthermore, the interval of the flushing water holes along the horizontal direction is 20-30mm.

Furthermore, each flushing water hole is opened towards three directions, and the diameter of the opening in each direction is 7-10mm.

Compared with the prior art, the utility model, specifically there is the gain effect to embody: the utility model discloses be equipped with the back flush pipeline in the basement sump pit, the accessible closes the outlet pipe valve, opens back flush control flap, realizes that automatic cycle is clean, opens the outlet pipe valve after the cleanness, closes back flush control flap. The back flush measure can effectively realize self-cleaning sump pit, solves because of the inconvenient clean sump pit of manual work and leads to long-term ponding to worsen, produces the problem of stink. The circulating back flushing does not need to inject a large amount of tap water into the water collecting pit all the time, and the aim of saving water can be achieved.

The utility model discloses back flush pipeline is done the wash-out conduit concurrently, can solve behind the stealthily dirty pump outlet pipe check valve (along the rivers direction) to the unable normal problem of sluicing of outdoor pipeline exit ponding, after stealthily dirty pump drainage, open back flush pipeline valve, in leaking the sump pit with the pipeline internal ponding is whole, realize not ponding in the pipeline, can effectively solve the influence sanitation and hygiene problem that long term ponding worsens the corruption and arouses in the pipeline, can fundamentally solve the pipeline internal ponding again and freeze the problem, ensure the normal drainage of basement sump pit in any time. .

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic view of the top view structure of the present invention.

Fig. 3 is a sectional view of the flushing water hole.

In the figure, 1 is a sump, 2 is a submersible sewage pump, 3 is a check valve, 4 is a gate valve, 5 is a backwash pipe, 6 is a backwash control valve, 7 is a rinse pipe, and 8 is a rinse water hole.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1-3, a basement sump backwashing device comprises two submersible sewage pumps 2 arranged at the bottom of a sump 1, wherein water outlets of the submersible sewage pumps 2 are connected with check valves 3 through pipelines, the check valves 3 are communicated with gate valves 4 through connecting pipes, and the other ends of the two gate valves 4 are communicated with outlets of waste water pipes after being connected in parallel through the connecting pipes and are used for sending accumulated water in the sump 1 into an outdoor rainwater pipe network.

DN50 back flushing pipe 5 is connected to the connecting pipe between check valve 3 and gate valve 4, back flushing control valve 6 is arranged in the middle of back flushing pipe 5, back flushing pipe 5 is communicated with DN50 flushing pipe 7, flushing pipe 7 is arranged around the inner wall of sump 1, and a plurality of flushing water holes 8 are arranged on flushing pipe 7 at intervals.

The utility model discloses can realize following two kinds of operating modes:

1. and (3) backwashing cleaning working condition:

after the gate valve 4 is closed, the back-flushing control valve 6 is opened, then the submersible sewage pump is manually started when water is injected into the sump 1 to the lowest pump starting water level of the submersible sewage pump 2, and the water discharged by the water pump automatically and circularly washes the sump 1 through the back-flushing pipe 5 and the washing water holes 8. When the working condition of back washing cleaning is carried out, water is not discharged outwards, and circular cleaning can be realized until the cleaning is finished. After the working condition of automatic backwashing cleaning is finished, the gate valve 4 is opened, and the backwashing control valve 6 is closed. The problem that the basement sump 1 is long-term accumulated water and inconvenient to clean and causes water quality corruption deterioration and further pollutes the environment sanitation is effectively solved, and the property sanitation personnel can manually or automatically control the opening of a back washing system pipeline valve to realize the automatic cleaning of the sump 1. The utility model can circularly wash the water without injecting a large amount of tap water into the water collecting pit 1 until the cleaning is finished, thereby realizing the aim of water saving.

2. Draining working conditions:

when the submersible sewage pump 2 is stopped, the backwashing control valve 6 is opened, and accumulated water at the outlet of the outdoor pipeline (along the water flow direction) after the check valve 3 of the water outlet pipe of the submersible sewage pump 2 is opened is discharged into the sump 1. After the water discharge is finished, the back flush control valve 6 is closed, and the submersible sewage pump 2 is in an automatic control drainage working condition. Under the working condition, the back-washing control valve 6 is also used as a water drain valve, so that the problem of influence on environmental sanitation caused by deterioration and corruption of long-term accumulated water in the pipeline can be effectively solved, the problem of freezing of the accumulated water in the pipeline can be fundamentally solved, normal drainage of the basement sump 1 in any time is ensured, and the safety and reliability of a drainage system are greatly improved.

In order to better wash the inner wall of the water collecting pit 1, the distance between the washing water holes 8 in the horizontal direction is 20-30mm, and each washing water hole 8 is opened in three directions, and the diameter of each opening in each direction is 7-10mm. Three openings are all washed away towards the inner wall of sump 1, and the increase is washed away the area, promotes and washes away efficiency. In addition, the flushing pipes 7 shown in fig. 1 are only distributed in a ring shape in the height direction of the sump 1, and multiple layers can also be distributed in a ring shape in the height direction of the sump 1 according to actual conditions, so that the flushing efficiency is further improved.

Two stealthily dirty pumps 2 in the sump pit 1 start one according to the height control of water injection water level still two stealthily dirty pumps 2, the utility model discloses in do not have this structure of detailed description. This kind of structure is very common in prior art, utilizes two level gauges to connect two control switches just can realize this process, and this structure is not the utility model discloses the main part that will protect, consequently not giving unnecessary detail.

The various pipeline control valves mentioned above can be opened and closed manually, and can also be automatically controlled by using automatic control valves such as electromagnetic valves or electric valves, and the like, and the automatic control is realized at the water pump control box.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a basement sump back washing unit which characterized in that: the sewage submersible pump comprises two sewage submersible pumps (2) arranged at the bottom of a sump (1), wherein water outlets of the sewage submersible pumps (2) are connected with check valves (3) through pipelines, the check valves (3) are communicated with one ends of gate valves (4) through connecting pipes, and the other ends of the two gate valves (4) are communicated with an outlet of a waste water pipe after being connected in parallel through the connecting pipes; a back washing pipe (5) is connected to a connecting pipe between the check valve (3) and the gate valve (4), a back washing control valve (6) is arranged in the middle of the back washing pipe (5), the back washing pipe (5) is communicated with the washing pipe (7), the washing pipe (7) is arranged around the inner wall of the water collecting pit (1), and a plurality of washing water holes (8) are arranged on the washing pipe (7) at intervals.

2. The basement sump backwashing apparatus of claim 1, wherein: the distance between the flushing water holes (8) along the horizontal direction is 20-30mm.

3. The basement sump backwashing apparatus according to claim 1 or 2, wherein: each flushing water hole (8) is opened towards three directions, and the diameter of the opening in each direction is 7-10mm.