CN214503259U - Sponge city LID facility simulation system - Google Patents
Sponge city LID facility simulation system Download PDFInfo
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- CN214503259U CN214503259U CN202023008235.5U CN202023008235U CN214503259U CN 214503259 U CN214503259 U CN 214503259U CN 202023008235 U CN202023008235 U CN 202023008235U CN 214503259 U CN214503259 U CN 214503259U
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Abstract
The utility model relates to a sponge city LID facility analog system, this system include backing plate (11) to and connect in order on backing plate (11): the raw water tank (1) is used for containing sewage and is used as a water source required by the system; a permeation test column (8); the storage tank (9) is used for storing the effluent of the penetration test column (8) for later use; at least one LID facility test chamber (10) for simulating a LID facility structure layer; and the tail water tank (12) is used for storing the system tail water. Compared with the prior art, the utility model has the advantages of can simulate the operational aspect of LID facility under the real condition for to the analysis of LID facility, guide design and construction of LID facility in the sponge city construction process.
Description
Technical Field
The utility model relates to an environmental engineering field, concretely relates to sponge city LID facility analog system.
Background
The problem of urban waterlogging is caused by the increase of the impervious area and the superposition of extreme weather conditions in the urbanization process, and the urban operation safety is seriously threatened. Relevant reports indicate that city construction in future emphasizes that 'slow-release slow release' and 'source dispersion' control are taken as main planning and design concepts, low-impact development measures are adopted to reduce rainwater runoff from the source, and specific implementation modes comprise a sunken green land, a rainwater infiltration pond, a rainwater garden, an infiltration well, an infiltration ground, an infiltration pipe channel, a grass planting channel and the like.
At present, most LID facilities are selected and constructed in the actual construction engineering of the sponge city by referring to related atlas and technical standard, and the LID facilities meeting the actual condition are not designed according to local conditions. In some areas, the filler in the uniform map set is difficult to obtain, and other filler materials are relatively easy to obtain, so that unnecessary economic waste is caused if the map set material is forcibly adopted. In the prior art, no systematic analysis device exists for single or multiple combined LID facility application effects.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can simulate the operational aspect of LID facility under the real condition in order to overcome the defect that above-mentioned prior art exists for to the analysis of LID facility, guide the design of LID facility and the sponge city LID facility analog system of construction in the sponge city construction process.
The purpose of the utility model can be realized through the following technical scheme:
designers have learned that different packing layer materials, packing layer combinations, water flow rates, influent water quality, or different types of LID facility combinations in LID facilities can all affect the pollutant reduction rate. In order to design and build the LID facility which is more suitable for actual conditions, it is necessary to perform experimental analysis on the LID facility before construction, and then the following specific scheme is proposed:
a sponge city LID facility simulation system comprises a base plate (11) and, connected in sequence on the base plate (11):
the raw water tank (1) is used for preparing and containing sewage according to the characteristics of the sewage to be treated and is used as a water source required by the system;
a permeation test column (8);
the storage tank (9) is used for storing the effluent of the penetration test column (8) for later use;
at least one LID facility test chamber (10) for simulating a LID facility structure layer;
and the tail water tank (12) is used for storing the system tail water.
Furthermore, a water distributor (7) is arranged at the top of the penetration test column (8) and used for simulating the natural rainfall process; the water distributor (7) is connected with the original water tank (1) through a diversion pipeline (6).
Furthermore, the penetration test column (8) is filled with filler and is connected with a storage tank (9) through a diversion pipeline (6), and the filler specifically comprises soil and/or fine sand and/or broken stone.
Further, the LID facility test box (10) is opened above.
Furthermore, the LID facility test box (10) is connected with the regulation and storage pool (9) and the tail water tank (12) through a diversion pipeline (6).
Furthermore, the LID facility test box (10) is connected with the regulating storage pool (9) and another LID facility test box (10) through the diversion pipeline (6).
Furthermore, a water-permeable partition plate (13) with an opening is arranged inside the LID facility test box (10), a packing area (14) and plants are distributed above the water-permeable partition plate (13), and the packing area (14) is filled with broken stones and/or fine sand and/or soil.
Furthermore, a water pump (3) and/or a flow meter (4) are/is arranged on the diversion pipeline (6).
Furthermore, a valve (5) is arranged on the diversion pipeline (6).
Furthermore, one side of the raw water tank (1) and/or the permeation test column (8) and/or the storage tank (9) and/or the LID facility test box (10) is provided with a sampling port (2).
Furthermore, the raw water tank is made of organic glass materials, an opening is formed in the upper portion of the raw water tank, an opening is formed in the lower portion of the raw water tank, the opening is connected with the flow guide pipeline, and the raw water tank is lifted by the water pump and then connected with the water distributor.
Furthermore, the sample connection is polyvinyl chloride material, and the sample connection is installed in former water tank, penetration test post, regulation pond, LID facility proof box and tail water tank bottom, sets up the ball valve on the sample connection, and steerable sample connection opens and close.
Furthermore, the water pump is the centrifugal pump for promote former water tank, regulation pond and LID facility test case and go out water to next device.
Furthermore, the flowmeter is a pipeline float flowmeter, and can measure the flow of water flow in a pipeline in real time.
Furthermore, the valve is a ball valve and made of cast iron, and the opening and closing of the pipeline can be controlled.
Further, the diversion pipeline is stainless steel, and the pipe diameter is DN80, is used for transmitting rivers between each device.
Furthermore, the water distributor is made of stainless steel and is round, the lower part of the water distributor is uniformly provided with holes, the distance between the holes is 10mm, and the diameter of each hole is 5 mm; the water distributor is arranged above the penetration test pile and is used for simulating the natural rainfall process when water flows pass through.
Furthermore, the penetration test column is made of organic glass materials, is a cylinder with the diameter of 40cm, is connected with the raw water tank and the storage tank through a guide pipe, and can be filled with fillers such as soil, fine sand, broken stones and the like according to the experiment requirements. The penetration test column is uniformly perforated from top to bottom and is connected with the sampling port. The penetration test column is provided with water inlet at the upper part and water outlet at the lower part.
Furthermore, the regulation pond is organic glass material, and the top opening box links to each other through pipe and infiltration test post and LID facility test case for the regulation infiltration test post comes water. The regulation and storage tank is provided with water inlet at the lower part and water outlet at the lower part.
Furthermore, the LID facility test box is made of organic glass, and is provided with an opening box body at the upper part and is connected with the storage tank and other LID facility test boxes or the tail water tank through a guide pipe. The lower part of the LID facility test box is provided with a water-permeable partition plate, the water-permeable partition plate is provided with holes, the aperture is 1mm, and the distance between the holes is 10 mm. And the upper part of the water-permeable partition plate can be filled with fillers such as broken stones, fine sand, soil and the like and planted plants for simulating the LID facility structure layer. The LID facility test box is characterized in that water enters from the upper part and exits from the lower part.
Furthermore, the tail water tank is made of organic glass, is provided with an opening at the upper part and is connected with the LID facility test box through a guide pipe so as to store the experimental tail water. The tail water tank is provided with water inlet at the lower part and water outlet at the lower part. And an emptying conduit and a ball valve are arranged at the lower part of the tail water tank and are used for emptying the water body in the tank and sampling.
Compared with the prior art, the utility model has the advantages of it is following:
(1) by the utility model, the process of rainwater flowing through the LID facility can be simulated during actual rainfall;
(2) by the utility model, the reduction of pollutants can be researched when different LID facility structures and different LID facility combinations are combined;
(3) the utility model is provided with the flow meter and the sampling port, which can monitor the flow and water quality change condition in each monomer in real time;
(4) convenient to popularize, the utility model discloses can combine LID facility construction demand to set up the compound mode, the device of being convenient for is popularized and promoted in the society.
Drawings
FIG. 1 is a schematic diagram of the overall installation of the simulation system in the embodiment;
FIG. 2 is a schematic diagram of a LID facility test chamber in an example embodiment;
FIG. 3 is a schematic view of a water permeable barrier according to an embodiment;
FIG. 4 is a schematic view of the water inlet flow of the present invention;
the reference numbers in the figures indicate: the method comprises the following steps of 1-raw water tank, 2-sampling port, 3-water pump, 4-flowmeter, 5-valve, 6-diversion pipeline, 7-water distributor, 8-permeation test column, 9-storage tank, 10-LID facility test box, 11-backing plate, 12-tail water tank, 13-permeable partition plate and 14-packing area.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Examples
A sponge city LID facility simulation system, as shown in fig. 1 and 4, comprising a pad (11), and connected in series on the pad (11):
the raw water tank (1) is used for preparing and containing sewage according to the characteristics of the sewage to be treated and is used as a water source required by the system;
the top of the penetration test column (8) is provided with a water distributor (7) for simulating the natural rainfall process; the water distributor (7) is connected with the original water tank (1) through a diversion pipeline (6);
the storage tank (9) is used for storing the effluent of the penetration test column (8) for later use;
two LID facility test chambers (10) for simulating a LID facility structure layer;
and the tail water tank (12) is used for storing the system tail water.
The original water tank 1 is made of organic glass material, the size of the tank body is 600mm multiplied by 600mm, the upper part of the tank body is open, the lower part of the tank body is provided with a hole 5cm away from the bottom, the hole diameter is 80mm, the original water tank is connected with a DN80 diversion pipeline 6, and the original water tank is lifted by a water pump 3 and then connected with a water distributor 7. The lower part of the box body of the original water tank 1 is provided with a hole 5cm away from the bottom, the hole is staggered with the hole of the water guide pipeline 6, the hole diameter is 25mm, and a sampling port 2 is arranged.
The penetration test column 8 is made of organic glass material, is a cylinder with the diameter of 40cm and the height of 1.2m, is connected with the raw water tank 1 and the regulation and storage tank 9 through the diversion pipeline 6, can be filled with fillers such as soil, fine sand, broken stone and the like according to the experiment requirement, and is 15cm away from the column top. The 8 columns of the penetration test are uniformly perforated from top to bottom, the aperture is 25mm, the sampling port 2 is connected with the columns, and the spacing between the perforated columns is 30 cm. A hole with the aperture of 80mm is formed at the position 15cm away from the bottom of the penetration test column 8 and is connected with a DN80 diversion pipeline 6. The penetration test column 8 is provided with water inlet at the upper part and water outlet at the lower part.
A water pump 3 and a flow meter 4 are arranged on a flow guide pipeline 6 between the raw water tank 1 and the penetration test column 8, and valves 5 are arranged on two sides of the flow meter 4.
The storage tank 9 is made of organic glass, the size of the storage tank is 400mm multiplied by 800mm, and the upper part of the box body is open. Connected with the penetration test column 8 and the LID facility test box 10 through the diversion pipeline 6 for regulating and storing water coming from the penetration test column 8. The regulation pond 9 is that the lower part is intake, and the lower part is gone out water, opens 2 round holes at regulation pond apart from bottom 5cm position, and the aperture is 80mm, links to each other with DN80 diversion pipeline 6 respectively for intake and play water. The lower part of the box body is provided with a hole 10cm away from the bottom, the aperture of the hole is 25mm, and a sampling port 2 is arranged.
Referring to fig. 2, the LID facility test chamber 10 is made of organic glass, has a size of 800mm × 800mm × 1200mm, is open at the top, and is connected to the storage tank 9 and other LID facility test chambers 10 or the tail water tank 12 through the diversion pipeline 6. The position 15cm away from the bottom in the lower part of the LID facility test box 10 is provided with a water permeable partition plate 13, as shown in figure 3, the water permeable partition plate 13 is provided with holes, the hole diameter is 1mm, and the hole distance is 10 mm. A filler area (14) which can be filled with fillers such as broken stones, fine sand, soil and the like and plants are arranged above the water permeable partition plate 13 and used for simulating a LID facility structure layer. The LID plant test chamber 10 is flooded at the top and flooded at the bottom. The upper water inlet hole is 80mm and is connected with the diversion pipeline 6, and the distance between the hole opening position and the top is 5 cm. The upper water outlet hole is 80mm and is connected with the diversion pipeline 6, and the distance between the hole opening position and the bottom is 5 cm. The lower part of the box body is provided with a hole 20cm away from the bottom, the hole is staggered with the hole of the water guide pipeline 6, the hole diameter is 25mm, and a sampling port 2 is arranged.
The diversion pipeline 6 between the regulation pool 9 and the LID facility test box 10 and between the two LID facility test boxes 10 is provided with a water pump 3 and a flow meter 4, and the two sides of the flow meter 4 are provided with valves 5.
The tail water tank 12 is made of organic glass, the size of the tail water tank is 600mm multiplied by 600mm, the upper part of the tank body is open, and the tail water tank is connected with the LID facility test box 10 through the diversion pipeline 6 and used for storing system tail water. The tail water tank 12 is provided with water inlet at the lower part and water outlet at the lower part. Valves 5 are arranged on the water guide pipelines 6 at the inlet and the outlet of the tail water tank 12.
Sewage is prepared in the raw water tank 1 according to the characteristics of sewage treatment required and is used as a water source required by the test. The prepared sewage in the raw water tank 1 is lifted by the water pump 3 and enters the water distributor 7 through the diversion pipeline 6, and the water distributor 7 distributes water uniformly so as to simulate the natural rainfall process. The water from the water distributor 7 enters the penetration test column 8 for infiltration, the infiltration water is connected with the storage tank 9 through the bottom diversion pipeline 6, and the water from the penetration test column 8 is stored in the storage tank 9 for standby. The sewage in the regulation pond 9 is lifted by the water pump 3, enters the LID facility test box 10 through the flow guide pipeline 6, sets up the LID facility structural layer according to the working condition that needs simulate in the LID facility test box 10, and the sewage can enter the tail water tank 12 or be connected with other LID facility test boxes 10 after passing through the LID facility infiltration in the LID facility test box 10. Set up sample connection 2 respectively on former water tank 1, penetration test post 8, regulation pond 9, LID facility proof box 10 sets up to set up flowmeter 4 on each monomer connection water conservancy diversion pipeline 6, be used for observing water yield and quality of water change condition in the experimentation, be used for experimental analysis.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (10)
1. A sponge city LID facility simulation system, characterized in that, this system includes backing plate (11), and on backing plate (11) connect in order:
the raw water tank (1) is used for containing sewage and is used as a water source required by the system;
a permeation test column (8);
the storage tank (9) is used for storing the effluent of the penetration test column (8) for later use;
at least one LID facility test chamber (10) for simulating a LID facility structure layer;
and the tail water tank (12) is used for storing the system tail water.
2. The LID facility simulation system for sponge cities as claimed in claim 1, wherein a water distributor (7) is arranged at the top of the penetration test column (8) and is used for simulating a natural rainfall process; the water distributor (7) is connected with the original water tank (1) through a diversion pipeline (6).
3. A simulation system for a sponge city LID facility according to claim 1, characterized in that the penetration test column (8) is filled with a filler, and is connected with a storage tank (9) through a diversion pipe (6), and the filler comprises soil and/or fine sand and/or crushed stone.
4. A sponge city LID facility simulation system according to claim 1, wherein the LID facility test chamber (10) is open at the top.
5. The LID facility simulation system for sponge cities as claimed in claim 1, wherein the LID facility test chamber (10) is connected with a storage tank (9) and a tail water tank (12) through a diversion pipeline (6).
6. The LID facility simulation system for sponge cities as claimed in claim 1, wherein the LID facility test chamber (10) is connected with the storage tank (9) and another LID facility test chamber (10) through a diversion pipeline (6).
7. The LID facility simulation system for the sponge city according to claim 1, wherein the LID facility test box (10) is internally provided with a water-permeable partition (13) with an opening, a packing area (14) and plants are arranged above the water-permeable partition (13), and the packing area (14) is filled with crushed stones and/or fine sand and/or soil.
8. A simulation system for LID facilities in a sponge city according to any one of claims 2, 3, 5 and 6, characterized in that a water pump (3) and/or a flow meter (4) is/are arranged on the diversion pipeline (6).
9. The system for simulating LID facilities in a sponge city according to claim 8, wherein a valve (5) is arranged on the diversion pipeline (6).
10. The system for simulating LID facilities in a sponge city according to claim 1, characterized in that a sampling port (2) is opened at one side of the raw water tank (1) and/or the permeation test column (8) and/or the storage tank (9) and/or the LID facility test tank (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023008235.5U CN214503259U (en) | 2020-12-15 | 2020-12-15 | Sponge city LID facility simulation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023008235.5U CN214503259U (en) | 2020-12-15 | 2020-12-15 | Sponge city LID facility simulation system |
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| CN214503259U true CN214503259U (en) | 2021-10-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504917A (en) * | 2020-12-15 | 2021-03-16 | 同济大学 | Sponge city LID facility simulation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504917A (en) * | 2020-12-15 | 2021-03-16 | 同济大学 | Sponge city LID facility simulation system |
| CN112504917B (en) * | 2020-12-15 | 2024-08-23 | 同济大学 | Sponge city LID facility simulation system |
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