WO2023015781A1 - 下沉式再生水厂地下空间及资源综合利用系统 - Google Patents

下沉式再生水厂地下空间及资源综合利用系统 Download PDF

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WO2023015781A1
WO2023015781A1 PCT/CN2021/134729 CN2021134729W WO2023015781A1 WO 2023015781 A1 WO2023015781 A1 WO 2023015781A1 CN 2021134729 W CN2021134729 W CN 2021134729W WO 2023015781 A1 WO2023015781 A1 WO 2023015781A1
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plant
layer
irrigation
planting
comprehensive utilization
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PCT/CN2021/134729
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English (en)
French (fr)
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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
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国投信开水环境投资有限公司
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Publication of WO2023015781A1 publication Critical patent/WO2023015781A1/zh

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/20—Forcing-frames; Lights, i.e. glass panels covering the forcing-frames
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
    • A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
    • A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
    • A01G24/15—Calcined rock, e.g. perlite, vermiculite or clay aggregates
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
    • A01G24/28—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing peat, moss or sphagnum
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/40—Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure
    • A01G24/44—Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure in block, mat or sheet form
    • A01G24/46—Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure in block, mat or sheet form multi-layered
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G27/00—Self-acting watering devices, e.g. for flower-pots
    • A01G27/003—Controls for self-acting watering devices
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G27/00—Self-acting watering devices, e.g. for flower-pots
    • A01G27/005—Reservoirs connected to flower-pots through conduits
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00—Botany in general
    • A01G7/04—Electric or magnetic or acoustic treatment of plants for promoting growth
    • A01G7/045—Electric or magnetic or acoustic treatment of plants for promoting growth with electric lighting
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
    • A01G9/021—Pots formed in one piece; Materials used therefor
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
    • A01G9/022—Pots for vertical horticulture
    • A01G9/023—Multi-tiered planters
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
    • A01G9/027—Pots connected in horizontal rows
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
    • A01G9/247—Watering arrangements
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
    • A01G9/249—Lighting means
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/28—Raised beds; Planting beds; Edging elements for beds, lawn or the like, e.g. tiles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25—Greenhouse technology, e.g. cooling systems therefor

Definitions

  • the invention relates to the technical field of sewage treatment and resource utilization, in particular to an underground space and resource comprehensive utilization system of a sinking reclaimed water plant.
  • the effluent of the sinking reclaimed water plant can meet the needs of plant irrigation. It is a rare high-quality water resource.
  • the residual sludge of the sinking reclaimed water plant contains rich organic matter and a large amount of nitrogen and phosphorus elements, as well as some necessary for plant growth. Trace elements are important for soil improvement and soil fertility, and can be used for flower planting in landscaping.
  • the vertical of the sinking reclaimed water plant is generally divided into the ground floor, the operation floor and the sewage treatment floor.
  • the operation floor is the main activity area for the staff.
  • the operation floor usually has many rooms such as equipment rooms, test rooms, and storage rooms.
  • the gray space is relatively large. There are many, which bring depression and discomfort to the staff, and the operation layer has odor and aerosol pollutants, which have adverse effects on human health.
  • the patent document with the publication number CN112174314A discloses an ecological complex system and construction method based on a sinking reclaimed water plant, including: a ground area, an operating layer and a sewage treatment pool; the operating layer is located in the pool of the sewage treatment pool above the surface; the ground area is located above the operation layer; a covering layer is set between the sewage treatment pool and the operation layer; the classified organic wet waste is transported into the garbage treatment device on the operation layer. But this patent document still has the defect that the air quality of the operating floor is poor.
  • the object of the present invention is to provide a system for comprehensive utilization of underground space and resources of a sinking reclaimed water plant.
  • a submerged reclaimed water plant underground space and resource comprehensive utilization system includes a plant frame, a multi-layer planting module, a plant lamp, multiple irrigation branch pipes, a water collection tank, a regenerated water storage tank, a moisture meter, and a controller , submersible pumps and irrigation supervisors;
  • the multi-layer planting modules are sequentially placed on the plant frame at intervals from top to bottom, and the plant lights are located above the planting modules on each layer, and the plant lights are used to provide light to the planting modules;
  • the regenerated water storage tank is set on one side of the plant frame, the submersible pump is set in the regenerated water storage tank;
  • the irrigation main pipe is connected to the submersible pump, and a plurality of the irrigation branch pipes are connected to the On the irrigation main pipe;
  • the irrigation main pipe and the irrigation branch pipe are arranged on the plant shelf side wall of the plant shelf;
  • a plurality of the irrigation branch pipes are set corresponding to the multi-layer planting modules, and one irrigation branch pipe is correspondingly set above the planting modules of one layer;
  • the moisture meter is connected to the planting module on the lowest layer, the moisture meter is connected to the controller, the controller is connected to the submersible pump, and the controller is used to control the submersible pump. start and stop of the pump;
  • the water collection tank is arranged under the plant frame, and the water collection tank is used for collecting irrigation water on the plant frame.
  • the plant frame is provided with a plurality of interlayer baffles, the interlayer baffles are used to place the planting modules, and one of the interlayer baffles places one layer of the planting modules;
  • the plant lamp is arranged on the baffle of the partition or on the top wall of the plant stand of the plant stand.
  • a plurality of the compartment baffles are movably arranged on the plant stand.
  • the plurality of interlayer baffles are sieve plates, and the plurality of interlayer baffles are subjected to anti-corrosion treatment.
  • the bottom of the plant stand is provided with a sliding piece, and the sliding piece is a pulley.
  • the plant stand is a wall-mounted plant stand, the plant stand is provided with bolts, and the plant stand is fixed on the outer wall by the bolts.
  • the planting module includes a vegetation layer, a matrix layer, a filter layer, a drainage layer, and a planting box;
  • the vegetation layer, the matrix layer, the filter layer and the drainage layer are sequentially arranged in the planting box from top to bottom.
  • a plug is provided at the end of the irrigation branch pipe away from the irrigation main pipe, and a plurality of first openings for water outlet are arranged at intervals at the bottom of the irrigation branch pipe.
  • the spacing of the openings on the side close to the plug is greater than the spacing of the openings on the side away from the plug.
  • a second opening for drainage is provided on the bottom side wall of the sump.
  • the present invention has the following beneficial effects:
  • the present invention uses local materials, which is easy to implement: local materials are used to make full use of the high-quality effluent and residual sludge of the sinking reclaimed water plant.
  • the system is installed close to the outer walls of each room on the operation floor, which does not take up too much space and is easy to implement ;
  • the present invention is easy to operate and low in cost: the start and stop of the submersible pump is automatically controlled by a moisture meter and a controller, and the irrigation water flowing out from the plant rack directly enters the biochemical pool of the sewage treatment layer, which is convenient in operation and low in cost;
  • the present invention is beautiful and has high economic value: the system increases the green space on the operation floor, creates a beautiful and comfortable working environment for the staff, and the cultivated plants can be sold as commodities, with good economic value.
  • Fig. 1 is the structural schematic diagram of the underground space of the sinking type reclaimed water plant and the resource comprehensive utilization system of the present invention
  • Fig. 2 is a structural schematic diagram of the planting module of the submerged reclaimed water plant underground space and resource comprehensive utilization system of the present invention
  • Fig. 3 is a structural schematic diagram of the submerged reclaimed water plant underground space and resource comprehensive utilization system of the present invention with irrigation branch pipes highlighted.
  • the figure shows:
  • Plant rack 1 irrigation branch pipe 4
  • the present invention provides a sinking type reclaimed water plant underground space and resource comprehensive utilization system, including a plant frame 1, a multi-layer planting module 2, a plant lamp 3, a plurality of irrigation branch pipes 4, and a water collection tank 5.
  • the bottom of the plant frame 1 is provided with a sliding part, and the sliding part is a pulley.
  • the plant frame 1 is a wall-mounted plant frame, and the plant frame 1 is provided with bolts, and the plant frame 1 is fixed on the outer wall by the bolts.
  • a second opening 501 for draining water is provided on the bottom side wall of the sump 5 .
  • the number of openings may be one or more.
  • 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, and the vegetation layer 201, the matrix layer 202, the filter layer 203 and the drainage layer 204 are sequentially arranged on the planting box 205 from top to bottom.
  • the planting box 205 is generally made of lightweight materials such as PE or PP, and the vegetation layer 201 is usually selected from economical plant species with tenacious vitality, adapting to the space environment of underground factories, and having good landscape effects or medical value.
  • the plant frame 1 is provided with a plurality of compartment baffles 101, the compartment baffles 101 are used to place the planting modules 2, one compartment baffle 101 places a layer of planting modules 2, and the plant lamp 3 is arranged on the compartment baffles 101 Or on the plant shelf top wall 103 of plant shelf 1.
  • a plurality of interlayer baffles 101 are movably arranged on the plant stand 1, and the plurality of interlayer baffles 101 are all sieve plates, and the plurality of interlayer baffles 101 are subjected to anti-corrosion treatment.
  • a time relay is used to autonomously control the lighting duration of the plant lamp 3, and the compartment baffle 101 is subjected to anti-corrosion treatment.
  • the end of the irrigation branch pipe 4 away from the irrigation main pipe 10 is provided with a plug 402, and the bottom of the irrigation branch pipe 4 is provided with a plurality of first openings 401 for water outlet at intervals.
  • the irrigation branch pipe 4 is connected to 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 branch pipe 4 and the plant lamp 3 are arranged in parallel in the same plane and must not affect each other.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1 :
  • a system for comprehensive utilization of underground space and resources of a sinking reclaimed water plant mainly including plant racks, planting modules, plant lamps, irrigation branch pipes, water collection tanks, reclaimed water storage tanks, moisture analyzers, controllers, submersible pumps, and irrigation supervisors.
  • the main points of its structure are: the plant frame is placed close to the outer wall of each room on the operation floor of the sunken reclaimed water plant, the planting module is placed on the partition baffle of the plant frame, and the plant lamp is located above the planting module on each floor to provide sufficient space for plant growth.
  • irrigation branch pipes are located above each layer of planting modules, and are connected through irrigation main pipes and submersible pumps located in regenerated water storage tanks;
  • the sensing probe of the moisture meter is located in the substrate layer of the planting modules, and is connected through signal transmission lines and control 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 stand can be a wall-mounted plant stand fixed on the outer wall, or a movable plant stand with pulleys at the bottom.
  • the interlayer baffle on the plant rack is used to place the planting modules, and the interlayer baffle is generally a sieve plate with anti-corrosion treatment.
  • the distance between the baffles of each compartment can be freely adjusted according to the growth height of the planting modules and planting plants.
  • the planting module includes a vegetation layer, a matrix layer, a filter layer, a drainage layer and a planting box.
  • the vegetation layer usually chooses Sedum sedum, Red Sedum, Babao Sedum, Panax notoginseng and ginseng and other economical plant species with tenacious vitality, adapting to the space environment of the underground factory, and having good landscape effect or medicinal value;
  • the substrate layer consists of the following The residual sludge fermentation product, humus, perlite and vermiculite of the submerged reclaimed water plant are mixed according to a certain ratio to ensure that the substrate layer is loose and ventilated, has good water retention performance, and its bulk density and porosity are more suitable for plant growth;
  • the filter layer Permeable geotextiles are often used to prevent small particles in the matrix from entering the drainage layer with water to block the drainage pipes and rapid loss of nutrients in the matrix;
  • the drainage layer is a concave-convex drainage board or ceramsite with drainage and storage functions.
  • the material of the sump can be concrete, stainless steel, PP plastic and PE plastic, etc., and is used to collect the irrigation water flowing down from the planting frame; there is an opening at the bottom of the sump, and the irrigation water directly enters the biochemical pool of the sewage treatment layer through the opening.
  • the regenerated water storage tank is the effluent of the sinking reclaimed water plant, and the water level is usually kept full to meet the needs of plant irrigation.
  • the moisture content of the matrix layer measured by the moisture meter is transmitted to the controller through the signal transmission line. If the measured value is lower than the minimum limit, the submersible pump located in the regenerated water storage tank is started by the controller to start irrigating the planting module.
  • the minimum limit is artificially set according to the characteristics of the substrate layer and the characteristics of water demand for plant growth; when the water content of the substrate layer is determined to be close to saturation, the submersible pump is turned off by the controller to stop irrigating the planting modules.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1 :
  • the plant stand has a length of 7.5m and a width of 3m. It is a wall-mounted plant stand and is fixed on the outer wall of the test room of the sunken reclaimed water plant by bolts.
  • the spacing of each interlayer baffle on the plant frame is 30cm, and the interlayer baffle is a stainless steel mesh plate with a porosity of 30%, an aperture of 10mm, and a plate thickness of 2mm.
  • the length of the planting module is 50cm, the width is 20cm, and the height is 20cm;
  • the vegetation layer is three kinds of plants, Sedum sedum, Sedum sedum and Sedum sedum, and the substrate layer is made of residual sludge fermentation products, humus, perlite and leech Stone is mixed, the ratio is 2:1:1:1, the thickness of the substrate layer is 15cm;
  • the filter layer is 250g/m2 permeable geotextile, the drainage layer is concave-convex drainage board, the height is about 2cm; the distance between the substrate layer and the top of the planting module There is a super high of about 3cm.
  • the irrigation branch pipe is 25mm, the effective opening length is 3000mm, the opening diameter is 5mm, the opening distance of 1.5m close to the plug is 20mm, and the opening distance of 1.5m away from the plug is 10mm; the rated flow rate of the submersible pump is 4m 3 /h.
  • the controller starts the submersible pump to irrigate the planting modules.
  • the plants in the plant rack are in good growth condition, and a batch of new nurseries can be cultivated in 2-3 months, which has good ecological value and economic value.
  • the plant stand has a length of 4m, a width of 2m, and a height of 4m. It is a movable plant stand with pulleys at the bottom, which can be moved and changed at any time according to the site conditions.
  • the distance between the baffles of each layer on the plant rack is 80cm, the baffles of the interlayers are made of plastic material, the opening rate is 30%, the aperture is 10mm, and the board thickness is 3mm.
  • the length of the planting module is 50cm, the width is 40cm, and the height is 25cm; the vegetation layer is ginseng and Panax notoginseng, and the substrate layer is made of a mixture of residual sludge fermentation products, humus, perlite and vermiculite.
  • the thickness of the substrate layer is 2:1:1:1, the thickness of the substrate layer is 20cm; the filter layer is a permeable geotextile of 250g/m2, the drainage layer is a concave-convex drainage board, and the height is about 2cm; the substrate layer is about 3cm superhigh from the top of the planting module . Breeding earthworms in the matrix layer can decompose the organic matter in the matrix layer, loosen the soil layer, and promote plant growth.
  • the vegetation layer is ginseng, and when the water content of the matrix layer measured by the moisture meter is lower than 40%, the submersible pump is started by the controller to irrigate the planting module.
  • the plants in the plant stand are in good condition, harvested in 4 years, harvested in mid-September, high yield.
  • the vegetation layer is Panax notoginseng, and when the water content of the matrix layer measured by the moisture meter is lower than 25%, the submersible pump is started by the controller to irrigate the planting module.
  • the plants in the plant stand are growing well and harvested in 3 years.
  • the cultivation of high value-added medicinal plants has high ecological and economic value.
  • the present invention provides a system for comprehensive utilization of underground space and resources of a sinking reclaimed water plant, making full use of resources such as the operating layer space, high-quality effluent, and surplus sludge rich in nitrogen and phosphorus nutrients of the sinking reclaimed water plant to construct the following Underground space and resource comprehensive utilization system of submerged reclaimed water plant.
  • the system can improve the air quality of the operation floor, create a comfortable and beautiful working environment, and benefit the physical and mental health of the staff; the plants cultivated by using reclaimed water and excess sludge can be used for plant supplementation in the ecological park on the ground floor of the sinking reclaimed water plant. It can be planted or sold as a commodity to increase the added economic value of the sinking reclaimed water plant.

Abstract

本发明提供了一种下沉式再生水厂地下空间及资源综合利用系统，多层种植模块间隔放置在植物架上，植物灯位于每层种植模块的上方；再生水储箱设置在植物架的一侧，潜水泵设置在再生水储箱内；灌溉主管连通设置在潜水泵上，多个灌溉支管连通设置在灌溉主管上；灌溉主管和灌溉支管设置在植物架的植物架侧壁上；多个灌溉支管对应多层种植模块设置；水分测定仪连接设置在最低层种植模块上，水分测定仪和控制器相连接，控制器和潜水泵相连接；集水槽设置在植物架的下方。本发明可以改善操作层的空气质量、营造舒适美观的工作环境，也可以提升下沉式再生水厂的附加价值，使下沉式再生水厂空间和资源的利用更加高效且培育出具有附加经济价值的植物。

Description

下沉式再生水厂地下空间及资源综合利用系统 技术领域
本发明涉及污水处理及资源化利用技术领域，具体地，涉及一种下沉式再生水厂地下空间及资源综合利用系统。
背景技术
随着城市发展，能够与周边环境协调、封闭性强、无二次污染的下沉式再生水厂成为城市污水治理工程的新发展趋势和发展方向。下沉式再生水厂的出水能满足植物灌溉需求，是一种难得的高品质水资源，下沉式再生水厂剩余污泥里面含有丰富的有机物和大量的氮磷元素，以及植物生长所必须的一些微量元素，对土壤改良和提高土壤肥力有重要意义，可用于园林绿化的花卉种植方面。下沉式再生水厂竖向一般分为地面层、操作层和污水处理层，操作层是工作人员的主要活动区域，操作层通常有很多设备间、试验间和储物间等房间，灰色空间较多，给工作人员带来压抑和不适感，操作层有臭气和气溶胶类污染物，对人体健康产生不良影响。
公开号为CN112174314A的专利文献公开了一种基于下沉式再生水厂的生态综合体系统及构建方法，包括：地面区、操作层和污水处理池；所述操作层位于所述污水处理池的池面之上；所述地面区位于所述操作层之上；所述污水处理池与所述操作层之间设置覆盖层；经过分类后的有机湿垃圾输送进入操作层的垃圾处理装置。但是该专利文献仍然存在操作层的空气质量差的缺陷。
发明内容
针对现有技术中的缺陷，本发明的目的是提供一种下沉式再生水厂地下空间及资源综合利用系统。
根据本发明提供的一种下沉式再生水厂地下空间及资源综合利用系统，包括植物架、多层种植模块、植物灯、多个灌溉支管、集水槽、再生水储箱、水分测定仪、控制器、潜水泵及灌溉主管；
多层所述种植模块从上到下依次间隔放置在所述植物架上，所述植物灯位于每层所 述种植模块的上方，所述植物灯用于给所述种植模块提供光照；
所述再生水储箱设置在所述植物架的一侧，所述潜水泵设置在所述再生水储箱内；所述灌溉主管连通设置在所述潜水泵上，多个所述灌溉支管连通设置在所述灌溉主管上；所述灌溉主管和所述灌溉支管设置在所述植物架的植物架侧壁上；
多个所述灌溉支管对应多层所述种植模块设置，一个所述灌溉支管对应设置在一层所述种植模块上方；
所述水分测定仪连接设置在最低层所述种植模块上，所述水分测定仪和所述控制器相连接，所述控制器和所述潜水泵相连接，所述控制器用于控制所述潜水泵的启停；
所述集水槽设置在所述植物架的下方，所述集水槽用于收集所述植物架上的灌溉水。
优选的，所述植物架上设置有多个隔层挡板，所述隔层挡板用于放置所述种植模块，一个所述隔层挡板放置一层所述种植模块；
所述植物灯设置在所述隔层挡板上或所述植物架的植物架顶壁上。
优选的，多个所述隔层挡板活动设置在所述植物架上。
优选的，多个所述隔层挡板均为筛孔板，多个所述隔层挡板做防腐处理。
优选的，所述植物架底部设置有滑动件，所述滑动件为滑轮。
优选的，所述植物架为挂壁式植物架，所述植物架设置有螺栓，所述植物架通过所述螺栓固定在外墙上。
优选的，所述种植模块包括植被层、基质层、过滤层、排水层、及种植盒；
所述植被层、所述基质层、所述过滤层及所述排水层从上到下依次设置在所述种植盒内。
优选的，所述灌溉支管远离所述灌溉主管的一端设置有堵头，所述灌溉支管底部间隔设置有多个用于出水的第一开孔。
优选的，对于多个所述第一开孔，靠近所述堵头一侧的开孔间距大于远离所述堵头一侧的开孔间距。
优选的，所述集水槽的底部侧壁上设置有用于排水的第二开孔。
与现有技术相比，本发明具有如下的有益效果：
1、本发明就地取材，容易实现：就地取材，充分利用下沉式再生水厂的高品质出水和剩余污泥，该系统靠近操作层各房间外墙设置，不占用过多空间，易于实现；
2、本发明运行方便且成本低：运用水分测定仪和控制器自动控制潜水泵的启 停，植物架上流出来的灌溉水直接进入污水处理层的生化池内，运行方便且成本低；
3、本发明美观且有较高的经济价值：该系统增加操作层的绿色空间，为工作人员营造美观舒适的工作环境，培育出来的植物可以作为商品出售，具有较好的经济价值。
附图说明
通过阅读参照以下附图对非限制性实施例所作的详细描述，本发明的其它特征、目的和优点将会变得更明显：
图1为本发明的下沉式再生水厂地下空间及资源综合利用系统的结构示意图；
图2为本发明的下沉式再生水厂地下空间及资源综合利用系统的种植模块的结构示意图；
图3为本发明的下沉式再生水厂地下空间及资源综合利用系统为突出显示灌溉支管的结构示意图。
图中示出：
植物架1                           灌溉支管4
隔层挡板101                       第一开孔401
植物架侧壁102                     堵头402
植物架顶壁103                     集水槽5
种植模块2                         第二开孔501
植被层201                         再生水储箱6
基质层202                         水分测定仪7
过滤层203                         控制器8
排水层204                         潜水泵9
种植盒205                         灌溉主管10
植物灯3
具体实施方式
下面结合具体实施例对本发明进行详细说明。以下实施例将有助于本领域的技术人员进一步理解本发明，但不以任何形式限制本发明。应当指出的是，对本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变化和改进。这些都属于 本发明的保护范围。
如图1～3所示，本发明提供的一种下沉式再生水厂地下空间及资源综合利用系统，包括植物架1、多层种植模块2、植物灯3、多个灌溉支管4、集水槽5、再生水储箱6、水分测定仪7、控制器8、潜水泵9及灌溉主管10，多层种植模块2从上到下依次间隔放置在植物架1上，植物灯3位于每层种植模块2的上方，植物灯3用于给种植模块2提供光照，再生水储箱6设置在植物架1的一侧，潜水泵9设置在再生水储箱6内；灌溉主管10连通设置在潜水泵9上，多个灌溉支管4连通设置在灌溉主管10上；灌溉主管10和灌溉支管4设置在植物架1的植物架侧壁102上，多个灌溉支管4对应多层种植模块2设置，一个灌溉支管4对应设置在一层种植模块2上方，水分测定仪7连接设置在最低层种植模块2上，水分测定仪7和控制器8相连接，控制器8和潜水泵9相连接，控制器8用于控制潜水泵9的启停，集水槽5设置在植物架1的下方，集水槽5用于收集植物架1上的灌溉水。在优选例中，集水槽5为的材质可以是混凝土、不锈钢、PP塑料或PE塑料。
植物架1底部设置有滑动件，滑动件为滑轮。植物架1为挂壁式植物架，植物架1设置有螺栓，植物架1通过螺栓固定在外墙上。集水槽5的底部侧壁上设置有用于排水的第二开孔501。在优选例中，开孔的数量可以是一个或者多个。
种植模块2包括植被层201、基质层202、过滤层203、排水层204、及种植盒205，植被层201、基质层202、过滤层203及排水层204从上到下依次设置在种植盒205内。在优选例中，种植盒205一般是PE或PP等轻质材质，植被层201通常选用生命力顽强、适应于地下厂空间环境、具有较好景观效果或药物价值的经济性植物种类。
植物架1上设置有多个隔层挡板101，隔层挡板101用于放置种植模块2，一个隔层挡板101放置一层种植模块2，植物灯3设置在隔层挡板101上或植物架1的植物架顶壁103上。多个隔层挡板101活动设置在植物架1上，多个隔层挡板101均为筛孔板，多个所述隔层挡板101做防腐处理。在优选例中，根据植物的生长特征和植物架1所处位置的光照情况，使用时间继电器对植物灯3的光照时长进行自主控制，隔层挡板101进行防腐处理。
灌溉支管4远离灌溉主管10的一端设置有堵头402，灌溉支管4底部间隔设置有多个用于出水的第一开孔401，对于多个第一开孔401，靠近堵头402一侧的开孔间距大于远离堵头402一侧的开孔间距，进而保证每个开孔布水量均匀。在优选 例中，灌溉支管4通过三通或者弯头和与灌溉主管10连接，灌溉主管10和灌溉支管4一般采用PVC管，灌溉主管10和灌溉支管4通过管卡固定在植物架侧壁102上，灌溉支管4和植物灯3在同一平面内平行设置，互相不得影响。
实施例1：
一种下沉式再生水厂地下空间及资源综合利用系统，主要包括，植物架、种植模块、植物灯、灌溉支管、集水槽、再生水储箱、水分测定仪、控制器、潜水泵、灌溉主管。其结构要点是：植物架靠近下沉式再生水厂操作层各房间的外墙放置，种植模块放置在植物架的隔层挡板上，植物灯位于每层种植模块的上方，为植物生长提供所需的光照；灌溉支管位于每层种植模块的上方，并且通过灌溉主管和位于再生水储箱内的潜水泵相连接；水分测定仪的感知探头位于种植模块的基质层内，且通过信号传输线和控制器相连接；控制器和潜水泵通过信号传输线连接，控制潜水泵的启停。
植物架可以是固定在外墙上的挂壁式植物架，也可以是底部带滑轮式的可移动式植物架。植物架上的隔层挡板用于放置种植模块，隔层挡板一般是筛孔板且做防腐处理。各隔层挡板的间距可根据种植模块和种植植物的生长高度自由调节。
种植模块包括植被层、基质层、过滤层、排水层及种植盒。植被层通常选用佛甲草、红叶景天、八宝景天、三七和人参等生命力顽强、适应于地下厂空间环境、具有较好景观效果或药物价值的经济性植物种类；基质层由下沉式再生水厂剩余污泥发酵产物、腐殖土、珍珠岩和蛭石等物质按照一定比例混合而成，保证基质层疏松通气、保水性能好且其容重和孔隙度较适宜植物生长；过滤层常选用透水土工布，可防止基质中小颗粒随水进入排水层堵塞排水管以及基质中营养物质快速流失；排水层为具有排蓄水功能的凹凸性排水板或是陶粒。
灌溉支管底部有开孔，通过开孔灌溉水进入到每层的种植模块内。
集水槽的材质可以是混凝土、不锈钢、PP塑料和PE塑料等，用于收集种植架上流下来的灌溉水；集水槽底部有开孔，灌溉水通过开孔直接进入到污水处理层的生化池内。
再生水储箱内为下沉式再生水厂的出水，通常保持满水位状态以满足植物灌溉需求。
水分测定仪测定的基质层含水率通过信号传输线传递给控制器，如果测定的数值低于最低限值时，则通过控制器启动位于再生水储箱内的潜水泵，开始对种植模块进行灌溉，该最低限值根据基质层特征和植物生长需水特征进行人为设定；当测定基质层含水率接近于饱和状态时，则通过控制器关闭潜水泵停止对种植模块进行灌溉。
实施例2：
在发明专利的一个具体实施例中，植物架长度为7.5m,宽度为3m,是一种挂壁式植物架，通过螺栓固定在下沉式再生水厂试验间的外墙上。植物架上的各隔层挡板的间距为30cm,隔层挡板为不锈钢筛孔板，开孔率为30％，孔径为10mm,板厚为2mm。
种植模块长度为50cm,宽度为20cm,高度为20cm；植被层为佛甲草、红叶景天和费菜这三种植物，基质层采用由剩余污泥发酵产物、腐殖土、珍珠岩和蛭石混合而成，比例为2:1:1:1，基质层厚度为15cm；过滤层为250g/㎡的透水土工布，排水层为凹凸排水板,高度约为2cm；基质层距种植模块顶部有约3cm的超高。
灌溉支管为25mm，有效开孔长度为3000mm，开孔直径为5mm，靠近堵头的1.5m的开孔间距为20mm,远离堵头1.5m的开孔间距为10mm；潜水泵的额定流量为4m 3/h。
水分测定仪测定的基质层含水率低于8％时，则通过控制器启动潜水泵对种植模块进行灌溉。植物架中的植物生长状况良好，2-3个月可以培育出一批新苗圃，具有很好的生态价值和经济价值。
实施例3：
本发明专利的一个具体实施例中，植物架长度为4m，宽度为2m，高度为4m，是一种底部带滑轮式的可移动式植物架，可根据现场情况随时移动改变位置。植物架上的各层挡板间距为80cm，隔层挡板为塑料材质，开孔率为30％，孔径为10mm,板厚为3mm。
种植模块长度为50cm,宽度为40cm,高度为25cm；植被层为人参和三七这两种植物，基质层采用由剩余污泥发酵产物、腐殖土、珍珠岩和蛭石混合而成，比例为2:1:1:1，基质层厚度为20cm；过滤层为250g/㎡的透水土工布，排水层为凹凸排水板,高度约为2cm；基质层距种植模块顶部有约3cm的超高。在基质层中养殖蚯蚓，可分解基质层中有机物，疏松土层，促进植物生长。
植被层为人参，当水分测定仪测定的基质层含水率低于40％时，通过控制器启动潜水泵对种植模块进行灌溉。植物架中的植物生长状况良好，4年收获，9月中旬采收，产量高。
植被层为三七，当水分测定仪测定的基质层含水率低于25％时，通过控制器启动潜水泵对种植模块进行灌溉。植物架中的植物生长状况良好，3年收获。
高附加值药用植物的种植，具有很高的生态价值和经济价值。
本发明提供了一种下沉式再生水厂地下空间及资源综合利用系统，充分利用下沉式再生水厂的操作层空间、高品质出水和富含氮磷营养物质的剩余污泥等资源，构建下沉 式再生水厂地下空间及资源综合利用系统。该系统能改善操作层的空气质量，营造舒适美观的工作环境，有利于工作人员的身心健康；利用再生水和剩余污泥培育出来的植物可以用于下沉式再生水厂地面层生态公园的植物补种或是作为商品出售，提升下沉式再生水厂的附加经济价值。
在本申请的描述中，需要理解的是，术语“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
以上对本发明的具体实施例进行了描述。需要理解的是，本发明并不局限于上述特定实施方式，本领域技术人员可以在权利要求的范围内做出各种变化或修改，这并不影响本发明的实质内容。在不冲突的情况下，本申请的实施例和实施例中的特征可以任意相互组合。

Claims (10)

  1. 一种下沉式再生水厂地下空间及资源综合利用系统，其特征在于，包括植物架(1)、多层种植模块(2)、植物灯(3)、多个灌溉支管(4)、集水槽(5)、再生水储箱(6)、水分测定仪(7)、控制器(8)、潜水泵(9)及灌溉主管(10)；
    多层所述种植模块(2)从上到下依次间隔放置在所述植物架(1)上，所述植物灯(3)位于每层所述种植模块(2)的上方，所述植物灯(3)用于给所述种植模块(2)提供光照；
    所述再生水储箱(6)设置在所述植物架(1)的一侧，所述潜水泵(9)设置在所述再生水储箱(6)内；所述灌溉主管(10)连通设置在所述潜水泵(9)上，多个所述灌溉支管(4)连通设置在所述灌溉主管(10)上；所述灌溉主管(10)和所述灌溉支管(4)设置在所述植物架(1)的植物架侧壁(102)上；
    多个所述灌溉支管(4)对应多层所述种植模块(2)设置，一个所述灌溉支管(4)对应设置在一层所述种植模块(2)上方；
    所述水分测定仪(7)连接设置在最低层所述种植模块(2)上，所述水分测定仪(7)和所述控制器(8)相连接，所述控制器(8)和所述潜水泵(9)相连接，所述控制器(8)用于控制所述潜水泵(9)的启停；
    所述集水槽(5)设置在所述植物架(1)的下方，所述集水槽(5)用于收集所述植物架(1)上的灌溉水。
  2. 根据权利要求1所述的下沉式再生水厂地下空间及资源综合利用系统，其特征在于，所述植物架(1)上设置有多个隔层挡板(101)，所述隔层挡板(101)用于放置所述种植模块(2)，一个所述隔层挡板(101)放置一层所述种植模块(2)；
    所述植物灯(3)设置在所述隔层挡板(101)上或所述植物架(1)的植物架顶壁(103)上。
  3. 根据权利要求2所述的下沉式再生水厂地下空间及资源综合利用系统，其特征在于，多个所述隔层挡板(101)活动设置在所述植物架(1)上。
  4. 根据权利要求2所述的下沉式再生水厂地下空间及资源综合利用系统，其特征在于，多个所述隔层挡板(101)均为筛孔板，多个所述隔层挡板(101)做防腐处理。
  5. 根据权利要求1所述的下沉式再生水厂地下空间及资源综合利用系统，其特 征在于，所述植物架(1)底部设置有滑动件，所述滑动件为滑轮。
  6. 根据权利要求5所述的下沉式再生水厂地下空间及资源综合利用系统，其特征在于，所述植物架(1)为挂壁式植物架，所述植物架(1)设置有螺栓，所述植物架(1)通过所述螺栓固定在外墙上。
  7. 根据权利要求1所述的下沉式再生水厂地下空间及资源综合利用系统，其特征在于，所述种植模块(2)包括植被层(201)、基质层(202)、过滤层(203)、排水层(204)、及种植盒(205)；
    所述植被层(201)、所述基质层(202)、所述过滤层(203)及所述排水层(204)从上到下依次设置在所述种植盒(205)内。
  8. 根据权利要求1所述的下沉式再生水厂地下空间及资源综合利用系统，其特征在于，所述灌溉支管(4)远离所述灌溉主管(10)的一端设置有堵头(402)，所述灌溉支管(4)底部间隔设置有多个用于出水的第一开孔(401)。
  9. 根据权利要求8所述的下沉式再生水厂地下空间及资源综合利用系统，其特征在于，对于多个所述第一开孔(401)，靠近所述堵头(402)一侧的开孔间距大于远离所述堵头(402)一侧的开孔间距。
  10. 根据权利要求1所述的下沉式再生水厂地下空间及资源综合利用系统，其特征在于，所述集水槽(5)的底部侧壁上设置有用于排水的第二开孔(501)。
PCT/CN2021/134729 2021-08-09 2021-12-01 下沉式再生水厂地下空间及资源综合利用系统 WO2023015781A1 (zh)

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