CN113597936A

CN113597936A - Sunken underground space and resource comprehensive utilization system for reclaimed water plant

Info

Publication number: CN113597936A
Application number: CN202110908650.6A
Authority: CN
Inventors: 翟丹丹; 侯锋; 陈铭; 庞洪涛; 卢先春; 邵彦青; 呼广辉; 江乐勇; 宋亚宁; 赵颖出
Original assignee: SDIC Xinkai Water Environment Investment Co Ltd
Current assignee: SDIC Xinkai Water Environment Investment Co Ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2021-11-05
Also published as: WO2023015781A1

Abstract

The invention provides a sunk underground space and resource comprehensive utilization system for a reclaimed water plant, wherein a plurality of layers of planting modules are arranged on a planting rack at intervals, and a plant lamp is positioned above each layer of planting module; the regenerated water storage tank is arranged on one side of the plant rack, and the submersible pump is arranged in the regenerated water storage tank; the irrigation main pipe is communicated with and arranged on the submersible pump, and the plurality of irrigation branch pipes are communicated and arranged on the irrigation main pipe; the irrigation main pipe and the irrigation branch pipes are arranged on the side wall of the plant rack; the plurality of irrigation branch pipes are arranged corresponding to the multilayer planting modules; the moisture tester is connected with the lowest planting module and connected with the controller, and the controller is connected with the submersible pump; the water collecting tank is arranged below the plant rack. The invention can improve the air quality of the operation layer, create a comfortable and beautiful working environment, and also can improve the added value of the sink type regeneration water plant, so that the space and the resource of the sink type regeneration water plant are more efficiently utilized, and the plants with the added economic value are cultivated.

Description

Sunken underground space and resource comprehensive utilization system for reclaimed water plant

Technical Field

The invention relates to the technical field of sewage treatment and resource utilization, in particular to a comprehensive utilization system for underground space and resources of a sunken reclaimed water plant.

Background

Along with the development of cities, a sunken type regeneration water plant which can be coordinated with the surrounding environment, has strong sealing performance and no secondary pollution becomes a new development trend and development direction of urban sewage treatment engineering. The effluent of the sink type regeneration water plant can meet the plant irrigation requirement, is an inexhaustible high-quality water resource, and the residual sludge of the sink type regeneration water plant contains rich organic matters, a large amount of nitrogen and phosphorus elements and some trace elements necessary for plant growth, has important significance for soil improvement and soil fertility improvement, and can be used for flower planting of landscaping. The vertical ground floor that generally divide into of formula of sinking regeneration water factory, operation layer and sewage treatment layer, the operation layer is staff's main activity area, and the operation layer has rooms such as many equipment rooms, test room and storing room usually, and the grey space is more, brings depression and uncomfortable sense for the staff, and the operation layer has foul smell and aerosol class pollutant, produces harmful effects to human health.

Patent document No. CN112174314A discloses an ecological complex system based on a sink type regenerative water plant and a construction method thereof, including: a ground area, an operation layer and a sewage treatment tank; the operation layer is positioned above the surface of the sewage treatment tank; the ground area is positioned above the operation layer; a covering layer is arranged between the sewage treatment tank and the operation layer; and the classified organic wet garbage is conveyed into a garbage treatment device of an operation layer. However, this patent document still has the disadvantage of poor air quality of the operational layer.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a sunk underground space and resource comprehensive utilization system for a reclaimed water plant.

The invention provides a sunk reclaimed water plant underground space and resource comprehensive utilization system, which comprises a plant rack, a multilayer planting module, a plant lamp, a plurality of irrigation branch pipes, a water collecting tank, a reclaimed water storage tank, a moisture tester, a controller, a submersible pump and an irrigation main pipe, wherein the plant rack is arranged on the lower part of the plant rack;

the plurality of layers of planting modules are sequentially placed on the planting rack at intervals from top to bottom, the plant lamp is positioned above each layer of planting modules, and the plant lamp is used for providing illumination for the planting modules;

the regenerated water storage tank is arranged on one side of the plant rack, and the submersible pump is arranged in the regenerated water storage tank; the irrigation main pipe is communicated with the submersible pump, and the irrigation branch pipes are communicated with the irrigation main pipe; the irrigation main pipe and the irrigation branch pipes are arranged on the side wall of the plant rack;

a plurality of irrigation branch pipes are arranged corresponding to the plurality of layers of planting modules, and one irrigation branch pipe is correspondingly arranged above one layer of planting modules;

the moisture tester is connected to the lowest planting module, the moisture tester is connected to the controller, the controller is connected to the submersible pump, and the controller is used for controlling the submersible pump to start and stop;

the water collecting tank is arranged below the plant rack and used for collecting irrigation water on the plant rack.

Preferably, a plurality of interlayer baffles are arranged on the plant rack, the interlayer baffles are used for placing the planting modules, and one interlayer baffle is used for placing one layer of the planting modules;

the plant lamp is arranged on the interlayer baffle or the top wall of the plant rack.

Preferably, a plurality of the interlayer baffles are movably arranged on the plant rack.

Preferably, the multiple interlayer baffles are all sieve plates, and the multiple interlayer baffles are subjected to anti-corrosion treatment.

Preferably, a sliding part is arranged at the bottom of the plant frame, and the sliding part is a pulley.

Preferably, the plant rack is a wall-mounted plant rack, the plant rack is provided with a bolt, and the plant rack is fixed on the outer wall through the bolt.

Preferably, the planting module comprises a planting layer, a substrate layer, a filtering layer, a drainage layer and a planting box;

the vegetation layer, the substrate layer, the filter layer and the drainage layer are sequentially arranged in the planting box from top to bottom.

Preferably, the end of the irrigation branch pipe far away from the main irrigation pipe is provided with a plug, and the bottom of the irrigation branch pipe is provided with a plurality of first holes at intervals for water outlet.

Preferably, for the plurality of first openings, the distance between the openings close to the plug is larger than the distance between the openings far away from the plug.

Preferably, a second opening hole for draining water is formed in the side wall of the bottom of the water collecting tank.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention is made of local materials and is easy to realize: local materials are used, high-quality effluent water and excess sludge of a sinking type regeneration water plant are fully utilized, and the system is arranged close to the outer wall of each room of an operation layer, does not occupy too much space and is easy to realize;

2. the invention has convenient operation and low cost: the water content tester and the controller are used for automatically controlling the starting and stopping of the submersible pump, and the irrigation water flowing out of the plant rack directly enters the biochemical pool of the sewage treatment layer, so that the operation is convenient and the cost is low;

3. the invention is beautiful and has higher economic value: the system increases the green space of the operation layer, creates a beautiful and comfortable working environment for workers, and the cultivated plants can be sold as commodities and have better economic value.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural diagram of an underground space and a comprehensive resource utilization system of a sunken reclaimed water plant according to the present invention;

FIG. 2 is a schematic structural diagram of a planting module of the comprehensive utilization system of underground space and resources of the sunken reclaimed water plant of the invention;

FIG. 3 is a schematic view showing the structure of the underground space of the sunken reclaimed water plant and the comprehensive resource utilization system of the present invention as a highlighted irrigation branch pipe.

The figures show that:

plant rack 1 irrigation branch 4

Baffle 101 first opening 401

Plant stand sidewall 102 plug 402

Top wall 103 of the plant rack water collecting tank 5

Planting module 2 second opening 501

Vegetation layer 201 regenerated water storage tank 6

Moisture tester 7 for substrate layer 202

Filter layer 203 controller 8

Drainage layer 204 submersible pump 9

Planting box 205 irrigation main pipe 10

Plant lamp 3

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.

As shown in fig. 1 to 3, the system for comprehensively utilizing underground space and resources of a sunken type recycled water plant provided by the invention comprises a plant rack 1, a plurality of layers of planting modules 2, plant lamps 3, a plurality of irrigation branch pipes 4, a water collecting tank 5, a recycled water storage tank 6, a moisture meter 7, a controller 8, a submersible pump 9 and an irrigation main pipe 10, wherein the plurality of layers of planting modules 2 are sequentially placed on the plant rack 1 at intervals from top to bottom, the plant lamps 3 are positioned above each layer of planting modules 2, the plant lamps 3 are used for providing illumination for the planting modules 2, the recycled water storage tank 6 is arranged at one side of the plant rack 1, and the submersible pump 9 is arranged in the recycled water storage tank 6; the main irrigation pipe 10 is communicated with the submersible pump 9, and the plurality of irrigation branch pipes 4 are communicated with the main irrigation pipe 10; irrigation main pipe 10 and irrigation branch pipe 4 set up on plant frame lateral wall 102 of plant frame 1, a plurality of irrigation branch pipes 4 correspond the setting of multilayer planting module 2, an irrigation branch pipe 4 corresponds the setting and plants module 2 top at the one deck, moisture meter 7 connects and sets up on lowest layer planting module 2, moisture meter 7 is connected with controller 8, controller 8 is connected with immersible pump 9, controller 8 is used for controlling opening of immersible pump 9 and stops, water catch bowl 5 sets up the below at plant frame 1, water catch bowl 5 is used for collecting the irrigation water on plant frame 1. In a preferred embodiment, the water collection tank 5 may be made of concrete, stainless steel, PP plastic or PE plastic.

The bottom of the plant rack 1 is provided with a sliding part which is a pulley. The plant rack 1 is a wall-mounted plant rack, the plant rack 1 is provided with bolts, and the plant rack 1 is fixed on the outer wall through the bolts. The bottom side wall of the water collecting tank 5 is provided with a second opening 501 for draining water. In a preferred embodiment, the number of openings may be one or more.

The planting module 2 comprises a planting layer 201, a substrate layer 202, a filter layer 203, a drainage layer 204 and a planting box 205, wherein the planting layer 201, the substrate layer 202, the filter layer 203 and the drainage layer 204 are sequentially arranged in the planting box 205 from top to bottom. In a preferred embodiment, the planting box 205 is generally made of light materials such as PE or PP, and the vegetation layer 201 is usually selected from economic plant species which have tenacious vitality, are suitable for the space environment of underground plants, and have a good landscape effect or a good pharmaceutical value.

The plant shelf 1 is provided with a plurality of interlayer baffles 101, the interlayer baffles 101 are used for placing the planting modules 2, one interlayer baffle 101 is used for placing one layer of planting modules 2, and the plant lamp 3 is arranged on the interlayer baffles 101 or the top wall 103 of the plant shelf 1. The multiple interlayer baffles 101 are movably arranged on the plant rack 1, the multiple interlayer baffles 101 are all sieve plates, and the multiple interlayer baffles 101 are subjected to anti-corrosion treatment. In a preferred embodiment, according to the growth characteristics of plants and the illumination condition of the position of the plant rack 1, the illumination duration of the plant lamp 3 is automatically controlled by using a time relay, and the interlayer baffle 101 is subjected to anticorrosion treatment.

One end of the irrigation branch pipe 4 far away from the irrigation main pipe 10 is provided with a plug 402, a plurality of first holes 401 for water outlet are arranged at the bottom of the irrigation branch pipe 4 at intervals, and for the first holes 401, the hole spacing close to one side of the plug 402 is larger than the hole spacing far away from one side of the plug 402, so that the water distribution quantity of each hole is uniform. In a preferred embodiment, the irrigation branch pipe 4 is connected with the irrigation main pipe 10 through a tee or an elbow, the irrigation main pipe 10 and the irrigation branch pipe 4 are generally made of PVC pipes, the irrigation main pipe 10 and the irrigation branch pipe 4 are fixed on the side wall 102 of the plant rack through pipe clamps, and the irrigation branch pipe 4 and the plant lamp 3 are arranged in parallel in the same plane and must not affect each other.

Example 1：

A sunk reclaimed water plant underground space and resource comprehensive utilization system mainly comprises a plant rack, a planting module, plant lamps, irrigation branch pipes, a water collecting tank, a reclaimed water storage tank, a moisture tester, a controller, a submersible pump and an irrigation main pipe. The key points of the structure are as follows: the plant rack is arranged close to the outer wall of each room of the operation layer of the sinking type regeneration water plant, the planting modules are arranged on the interlayer baffle of the plant rack, and the plant lamp is positioned above each layer of the planting modules and provides required illumination for plant growth; the irrigation branch pipe is positioned above each layer of planting module and is connected with a submersible pump positioned in the reclaimed water storage tank through an irrigation main pipe; a sensing probe of the moisture tester is positioned in a matrix layer of the planting module and is connected with the controller through a signal transmission line; the controller is connected with the submersible pump through a signal transmission line to control the start and stop of the submersible pump.

The plant rack can be a wall-mounted plant rack fixed on an outer wall, and can also be a movable plant rack with a pulley at the bottom. The interlayer baffle on the plant rack is used for placing the planting module, and the interlayer baffle is generally a sieve plate and is subjected to antiseptic treatment. The space between the interlayer baffles can be freely adjusted according to the growth height of the planting module and the planted plants.

The planting module comprises a vegetation layer, a substrate layer, a filtering layer, a drainage layer and a planting box. The vegetable layer is usually selected from sedum lineare, rhodiola rosea, sedum aizoon, panax notoginseng, ginseng and other economic plant species which have strong vitality, are suitable for the space environment of underground plants and have better landscape effect or medicinal value; the matrix layer is formed by mixing the residual sludge fermentation product of the sinking type regeneration water plant, humus soil, perlite, vermiculite and other substances according to a certain proportion, so that the matrix layer is loose and ventilated, has good water retention performance, and is suitable for plant growth in volume weight and porosity; the filter layer is usually made of permeable geotextile, so that small particles in the matrix can be prevented from entering the drainage layer along with water to block the drainage pipe and nutrient substances in the matrix can be prevented from rapidly losing; the drainage layer is a concave-convex drainage plate or ceramsite with the water drainage and storage functions.

The bottom of the irrigation branch pipe is provided with an opening through which irrigation water enters the planting modules on each layer.

The water collecting tank can be made of concrete, stainless steel, PP plastic, PE plastic and the like and is used for collecting irrigation water flowing down from the planting frame; the bottom of the water collecting tank is provided with an opening, and the irrigation water directly enters the biochemical pool of the sewage treatment layer through the opening.

The reclaimed water storage tank is used for discharging water of a sinking reclaimed water plant, and the full water level state is usually kept to meet the plant irrigation requirement.

The water content of the substrate layer measured by the water content measuring instrument is transmitted to the controller through a signal transmission line, if the measured value is lower than the minimum value, the submersible pump in the regenerated water storage tank is started through the controller, the planting module starts to be irrigated, and the minimum value is manually set according to the characteristics of the substrate layer and the characteristics of water needed by plant growth; and when the moisture content of the substrate layer is close to the saturation state, the submersible pump is closed by the controller to stop irrigating the planting module.

Example 2：

In one embodiment of the invention patent, the plant shelf is 7.5m long and 3m wide, and is a wall-mounted plant shelf fixed on the outer wall of the sinking type regeneration water plant test room through bolts. The spacing between each interlayer baffle on the plant frame is 30cm, the interlayer baffles are stainless steel sieve plates, the aperture ratio is 30%, the aperture is 10mm, and the plate thickness is 2 mm.

The planting module is 50cm in length, 20cm in width and 20cm in height; the vegetation layer is three plants of sedum lineare, rhodiola rosea and sedum aizoon, the matrix layer is formed by mixing the residual sludge fermentation product, humus, perlite and vermiculite according to the proportion of 2:1:1:1, and the thickness of the matrix layer is 15 cm; the filtering layer is 250 g/square meter of water permeable geotextile, the drainage layer is a concave-convex drainage plate, and the height is about 2 cm; the substrate layer is about 3cm higher than the top of the planting module.

The length of an irrigation branch pipe is 25mm, the effective open pore length is 3000mm, the diameter of the open pore is 5mm, the open pore distance of 1.5m close to the plug is 20mm, and the open pore distance of 1.5m far away from the plug is 10 mm; rated flow of the submersible pump is 4m³/h。

When the moisture content of the substrate layer measured by the moisture meter is lower than 8%, the submersible pump is started by the controller to irrigate the planting module. The plant in the plant rack has good growth condition, a batch of new nursery can be cultivated in 2-3 months, and the ecological value and the economic value are good.

Example 3:

in one embodiment of the present invention, the length of the plant shelf is 4m, the width is 2m, and the height is 4m, and the plant shelf is a movable plant shelf with a pulley at the bottom, and can be moved to change positions at any time according to the field conditions. The distance between each layer of baffle plates on the plant rack is 80cm, the interlayer baffle plates are made of plastic, the aperture ratio is 30%, the aperture is 10mm, and the plate thickness is 3 mm.

The planting module is 50cm in length, 40cm in width and 25cm in height; the vegetable layer is prepared from ginseng and pseudo-ginseng, the matrix layer is prepared by mixing the residual sludge fermentation product, humus soil, perlite and vermiculite, the ratio is 2:1:1:1, and the thickness of the matrix layer is 20 cm; the filtering layer is 250 g/square meter of water permeable geotextile, the drainage layer is a concave-convex drainage plate, and the height is about 2 cm; the substrate layer is about 3cm higher than the top of the planting module. The earthworms are cultured in the matrix layer, so that organic matters in the matrix layer can be decomposed, the soil layer is loosened, and the growth of plants is promoted.

The vegetable layer is ginseng, and when the moisture content of the substrate layer measured by the moisture measuring instrument is lower than 40%, the submersible pump is started by the controller to irrigate the planting module. The plants in the plant rack have good growth condition, are harvested in 4 years and harvested in the middle 9 th of the month, and have high yield.

The vegetable layer is pseudo-ginseng, and when the moisture content of the substrate layer measured by the moisture measuring instrument is lower than 25%, the submersible pump is started by the controller to irrigate the planting module. The plant in the plant rack grows well, and is harvested in 3 years.

The planting of the medicinal plants with high added value has very high ecological value and economic value.

The invention provides a comprehensive utilization system for underground space and resources of a sink type reclaimed water plant, which is constructed by fully utilizing resources such as operating floor space, high-quality effluent, excess sludge rich in nitrogen and phosphorus nutrients and the like of the sink type reclaimed water plant. The system can improve the air quality of the operation layer, create a comfortable and beautiful working environment and is beneficial to the physical and psychological health of workers; the plants cultivated by the reclaimed water and the excess sludge can be used for plant reseeding of ecological parks on the ground layer of the sink type reclaimed water plant or can be sold as commodities, so that the additional economic value of the sink type reclaimed water plant is improved.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims

1. A sunk type underground space and resource comprehensive utilization system of a reclaimed water plant is characterized by comprising a plant rack (1), a multilayer planting module (2), a plant lamp (3), a plurality of irrigation branch pipes (4), a water collecting tank (5), a reclaimed water storage tank (6), a moisture tester (7), a controller (8), a submersible pump (9) and an irrigation main pipe (10);

the plurality of layers of planting modules (2) are sequentially placed on the plant rack (1) at intervals from top to bottom, the plant lamp (3) is positioned above each layer of planting modules (2), and the plant lamp (3) is used for providing illumination for the planting modules (2);

the regenerated water storage tank (6) is arranged on one side of the plant rack (1), and the submersible pump (9) is arranged in the regenerated water storage tank (6); the main irrigation pipe (10) is communicated with the submersible pump (9), and the plurality of irrigation branch pipes (4) are communicated with the main irrigation pipe (10); the main irrigation pipe (10) and the branch irrigation pipes (4) are arranged on the side wall (102) of the plant rack (1);

a plurality of irrigation branch pipes (4) are arranged corresponding to the plurality of layers of planting modules (2), and one irrigation branch pipe (4) is correspondingly arranged above one layer of planting module (2);

the moisture tester (7) is connected to the lowest planting module (2), the moisture tester (7) is connected with the controller (8), the controller (8) is connected with the submersible pump (9), and the controller (8) is used for controlling the start and stop of the submersible pump (9);

the water collecting tank (5) is arranged below the plant rack (1), and the water collecting tank (5) is used for collecting irrigation water on the plant rack (1).

2. The system for comprehensively utilizing underground space and resources of a sunken reclaimed water plant according to claim 1, wherein a plurality of interlayer baffles (101) are arranged on the plant rack (1), the interlayer baffles (101) are used for placing the planting modules (2), and one interlayer baffle (101) is used for placing one layer of the planting modules (2);

the plant lamp (3) is arranged on the interlayer baffle (101) or the top wall (103) of the plant rack (1).

3. The comprehensive utilization system of underground space and resources of a sunken reclaimed water plant according to claim 2, wherein a plurality of the barrier baffles (101) are movably arranged on the plant rack (1).

4. The comprehensive utilization system of underground space and resources of a sunken reclaimed water plant according to claim 2, wherein the plurality of interlayer baffles (101) are all sieve plates, and the plurality of interlayer baffles (101) are subjected to corrosion prevention treatment.

5. The comprehensive utilization system of underground space and resources of a sunken reclaimed water plant according to claim 1, wherein the bottom of the plant rack (1) is provided with a sliding part, and the sliding part is a pulley.

6. The system for comprehensively utilizing underground space and resources of a sunken reclaimed water plant according to claim 5, wherein the plant rack (1) is a wall-mounted plant rack, the plant rack (1) is provided with bolts, and the plant rack (1) is fixed on an outer wall through the bolts.

7. The system for the comprehensive utilization of underground space and resources of a sunken reclaimed water plant according to claim 1, wherein the planting module (2) comprises a vegetation layer (201), a substrate layer (202), a filter layer (203), a drainage layer (204) and a planting box (205);

the vegetation layer (201), the substrate layer (202), the filter layer (203) and the drainage layer (204) are sequentially arranged in the planting box (205) from top to bottom.

8. The comprehensive utilization system of underground space and resources of a sunken reclaimed water plant according to claim 1, wherein a plug (402) is arranged at one end of the irrigation branch pipe (4) far away from the main irrigation pipe (10), and a plurality of first openings (401) for water outlet are arranged at the bottom of the irrigation branch pipe (4) at intervals.

9. The underground space and resources comprehensive utilization system of a sunken reclaimed water plant according to claim 8, wherein, for the first plurality of openings (401), the opening distance of the side close to the plug (402) is larger than the opening distance of the side far away from the plug (402).

10. The underground space and comprehensive resource utilization system of a sunken reclaimed water plant according to claim 1, wherein the bottom side wall of the water collecting tank (5) is provided with a second opening (501) for draining water.