CN218540892U

CN218540892U - Composite drainage system

Info

Publication number: CN218540892U
Application number: CN202223151811.0U
Authority: CN
Inventors: 肖富强
Original assignee: Individual
Current assignee: Xinjiang Jingke Shengzhe Environmental Engineering Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-02-28
Anticipated expiration: 2032-11-24

Abstract

The utility model belongs to the technical field of sewage drainage, in particular to a composite drainage system, which comprises a sewage collecting tank, wherein the sewage collecting tank is arranged at a first depth under the ground, and the sewage collecting tank is provided with a grey water area and a black water area; the liquid level meter is arranged in the sewage collecting tank and is used for detecting the water liquid height of the grey water area and the black water area; the pump drainage station sets up in the second degree of depth department of below ground, the second degree of depth is greater than first degree of depth, grey water vacuum collection tank and black water vacuum collection tank have in the pump drainage station, grey water vacuum collection tank and black water vacuum collection tank through two first pipelines respectively with grey water district, black water district are linked together, the drain and the sewage pipe network of pump drainage station are linked together, the utility model provides a prior art need break the area of digging big, the laying of pipeline still need the requirement restriction of certain slope for adopt the great problem of drainage system use cost of this mode.

Description

Composite drainage system

Technical Field

The utility model belongs to the technical field of the sewage drainage, concretely relates to compound drainage system.

Background

The drainage system is an important component of municipal construction, and the good drainage system can ensure convenience of life of residents and smoothness of traffic. The quality of a drainage system depends on the combined action of a drainage well, a drainage pipe and a sewer, and the existing main technical mode for sewage drainage on the market comprises the following steps: gravity pipeline drainage, siphon drainage and negative pressure vacuum drainage.

Chinese patent No. CN201721809947.2 discloses a self-circulation closed outdoor gravity drainage system, which comprises a closed plastic drainage inspection well buried underground, a drainage pipeline and an air duct; the sealed plastic drainage inspection well comprises a well seat, a well shaft and a well shaft cover for sealing the upper end of the well shaft, the drainage pipeline communicates the well seats of at least two sealed plastic drainage inspection wells, and the ventilation pipeline communicates the well shafts of at least two sealed plastic drainage inspection wells;

with further research of the applicant, the inventor finds that the gravity drainage mode is adopted in the scheme, the pipeline communicated with the municipal pipe network needs to be large in caliber to meet the requirements of relevant technical specifications, the required length of the pipeline is large, the area needing to be dug is large, the backfill recovery cost is high, the requirement of certain gradient is limited in laying of the pipeline, and the use cost of the drainage system adopting the mode is large.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a following technical scheme:

a composite drainage system comprises a sewage collecting tank, a drainage pipe and a drainage pipe, wherein the sewage collecting tank is arranged at a first depth below the ground, and a grey water area and a black water area are formed in the sewage collecting tank;

the liquid level meter is arranged in the sewage collecting tank and is used for detecting the water liquid height of the grey water area and the black water area;

the pumping station is arranged at a second depth under the ground, the second depth is greater than the first depth, an ash water vacuum collecting tank and a black water vacuum collecting tank are arranged in the pumping station, the ash water vacuum collecting tank and the black water vacuum collecting tank are respectively communicated with the ash water area and the black water area through two first pipelines, and a sewage outlet of the pumping station is communicated with a sewage pipe network, such as the black water ash water recycling station and a municipal pipe network.

Further, the upper end of the sewage collecting tank is provided with a pressure-resistant anti-freezing inspection cover.

Further, the bottom of the grey water area and the bottom of the black water area are connected with second pipelines, electric valves are arranged at the joints of the second pipelines and the first pipelines, and the electric valves are electrically connected with the liquid level meter.

Furthermore, the anti-compression anti-freezing inspection cover comprises a cover body, a well ring arranged at the center of the cover body and a well cover matched with the well ring.

Further, the first pipeline is a DN90 type PE pipe.

Further, the second pipeline is a DN50 type PE pipe.

Further, the nominal diameter of the first pipe near one end of the station is reduced to 75MM.

Further, a valve control device is also arranged in the pumping station.

Further, a sewage pump is further arranged in the pumping station.

Furthermore, the grey water area and the black water area are both two grids.

Compared with the prior art, the utility model, following beneficial effect has:

adopt sewage collecting pit, kept the gravitational potential energy of sewage, the mode that the joining of pump drainage station combined, on the one hand at long distance drainage in-process, can be with thick footpath pipeline replacement for thin footpath pipeline, increased siphon and negative pressure potential energy, on the other hand has eliminated the restriction that the pipeline slope required, and the construction technical requirement reduces, and construction cost descends, is favorable to the popularization of this technique.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a composite drainage system of the present invention;

reference numerals in the drawings of the specification include:

the device comprises a sewage collecting pool 1, a grey water area 10, a black water area 11, a liquid level meter 12, an electric valve 13, a pressure-resistant anti-freezing inspection cover 14, a cover body 140, a well ring 141, a well cover 142, a pumping station 2, a grey water vacuum collecting tank 20, a black water vacuum collecting tank 21, a valve control device 22, a sewage pump 23, a first pipeline 3 and a second pipeline 4.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted and that like or similar reference numerals in the drawings of embodiments of the present invention correspond to like or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.

Example (b):

as shown in fig. 1, the utility model discloses a compound drainage system, including the sewage collecting pit, set up in the first degree of depth department of below ground, grey water district and black water district have in the sewage collecting pit, grey water district, black water district are two check, and this black water district is with grey water district size: 1.8 meters long, 1.1 meters wide and 1.3 meters high.

Grey water district, black water district bottom are connected with DN50 type PE pipe, the liquid level appearance set up in the sewage collecting pit, the liquid level appearance is used for detecting the water liquid height in grey water district, black water district has high liquid level and opens, and low liquid level self-closing's function guarantees sufficient gravitational potential energy and vacuum in the pipeline, and the junction is provided with the motorised valve between DN50 type PE pipe and the first pipeline, motorised valve and liquid level appearance electric connection.

The drainage station is arranged at a second depth under the ground, the second depth is larger than the first depth, an ash water vacuum collecting tank and a black water vacuum collecting tank are arranged in the drainage station, the ash water vacuum collecting tank and the black water vacuum collecting tank are respectively communicated with an ash water area and a black water area through two first pipelines, a sewage discharge outlet of the drainage station is communicated with a sewage pipe network, a valve control device is further arranged in the drainage station, a sewage discharge pump is further arranged in the drainage station, the ash water vacuum collecting tank and the black water vacuum collecting tank play a role in temporarily storing sewage, the sewage discharge pump can be connected with a one-way valve, after water liquid in the drainage station reaches a certain storage amount, the one-way valve is controlled to be opened through the valve control device, under the combined action of the sewage discharge pump, the sewage in the drainage station is discharged to the outside through the pipelines, and the external sewage pipe network can be a municipal pipe network or a black water recycling treatment station which is frequently used in the water supply and drainage industry.

This sewage collecting pond all sets up under the earth's surface with the pump drainage station, and in a territory within range, this sewage collecting pond is collected usefulness for resident's life institute sewage, and a plurality of sewage collecting ponds are connected through first pipeline and the terminal pump drainage station of this drainage system, because this first pipeline adopts DN90 type PE pipe, when breaking the ground of digging, the construction volume diminishes, and it buries the restriction that the slope does not have strict demand.

The liquid level instrument can detect the amount of water liquid collected in an ash water area and a black water area in the sewage collection tank, when the water liquid reaches a set volume, the electric valve acts to discharge the water liquid in the two areas and flows to the pumping station, the two first pipelines can adopt DN90 type PE pipes, the PE pipes are in hot melting connection, and the two water liquids are respectively led into the ash water vacuum collection tank and the black water vacuum collection tank through the DN90 type PE pipes, wherein, because the sewage collection tank has higher terrain relative to the pumping station, the high-liquid-level drainage enhances the gravitational potential energy of pipeline fluid, the flow speed is accelerated, the inner walls of the pipelines are cleaned, the condition of pipeline blockage deposition is lightened, and because the pumping station is additionally arranged, the DN90 type PE pipes are adopted, the pipe diameter is thinner, the flexible technical requirement for laying is low, and a certain gradient is not needed like the traditional gravity pipeline.

The upper end of sewage collecting tank is provided with the frost-proof inspection cover of resistance to compression, the frost-proof inspection cover of resistance to compression includes the cover body, sets up in the walling crib of cover body center department and with walling crib complex well lid, this frost-proof inspection cover size of resistance to compression does: length 1.8 m, width 1.2 m and height 1 m.

In addition, be close to the nominal diameter of DN90 type PE pipe of pump drainage station one end progressively reduces to 75MM, and pipeline about DN90 type PE pipe afterbody hot melt connection one end 1 meter, and the pipe diameter progressively reduces to 75MM, at the drainage in-process, produces the siphonage, has strengthened the mobility of sewage, and this drainage system has integrated gravity, siphon, the advantage of negative pressure vacuum technique, has formed the advantage.

The above are merely examples of the present invention, and common general knowledge of known specific structures and characteristics of the embodiments is not described herein, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. A composite drainage system, comprising:

the sewage collecting tank is arranged at a first depth below the ground, and a grey water area and a black water area are arranged in the sewage collecting tank;

the liquid level meter is arranged in the sewage collecting tank and used for detecting the water liquid heights of the grey water area and the black water area;

the pumping station is arranged at a second depth position below the ground, the second depth is greater than the first depth, an ash water vacuum collecting tank and a black water vacuum collecting tank are arranged in the pumping station, the ash water vacuum collecting tank and the black water vacuum collecting tank are respectively communicated with the ash water area and the black water area through two first pipelines, and a sewage discharge outlet of the pumping station is communicated with a sewage pipe network.

2. A composite drainage system as set forth in claim 1 wherein: and the upper end of the sewage collecting tank is provided with a pressure-resistant anti-freezing inspection cover.

3. A composite drainage system as set forth in claim 1, wherein: the bottom of the grey water area and the bottom of the black water area are connected with second pipelines, and electric valves are arranged at the joints between the second pipelines and the first pipelines and are electrically connected with the liquid level meter.

4. A composite drainage system as set forth in claim 2, wherein: the anti-compression anti-freezing inspection cover comprises a cover body, a well ring arranged at the center of the cover body and a well cover matched with the well ring.

5. A composite drainage system as set forth in claim 1 wherein: the first pipeline is a DN90 type PE pipe.

6. A composite drainage system as set forth in claim 3 wherein: the second pipeline is a DN50 type PE pipe.

7. A composite drainage system as set forth in claim 5, wherein: the nominal diameter of the first pipe near one end of the pumping station is reduced gradually to 75MM.

8. A composite drainage system as set forth in claim 1, wherein: and a valve control device is also arranged in the pumping station.

9. A composite drainage system as set forth in claim 1 wherein: and a sewage pump is also arranged in the pumping station.

10. A composite drainage system as set forth in claim 1, wherein: the grey water area and the black water area are both two grids.