CN217905377U

CN217905377U - Distributed photovoltaic, water, waste heat and fertilizer integrated intelligent greenhouse

Info

Publication number: CN217905377U
Application number: CN202220955004.5U
Authority: CN
Inventors: 沈煜晖
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-11-29
Anticipated expiration: 2032-04-24

Abstract

The utility model discloses a distributing type photovoltaic, water, used heat, fertilizer integration intelligent warmhouse booth, including the heat transfer defroster, greenhouse heating system, greenhouse gas manure supply system, greenhouse liquid manure supply system, greenhouse photovoltaic power generation, energy storage and lighting system, greenhouse sensing and autonomous system, communication system, garden total control system and high in the clouds total control system. The utility model effectively utilizes the waste heat in the tail gas for heating the greenhouse; condensing and extracting water and mineral substances in the tail gas for plant irrigation while heating; carbon dioxide in the tail gas is used as an air fertilizer for plant growth. The excessive solar energy is used for generating and storing, supplementing light in cloudy days and prolonging the illumination time in sunny days. All the systems are intelligently controlled, and the artificial environment required by growth is intelligently provided according to the characteristics of the growth of plants; and the industrial waste heat is utilized, carbon dioxide and regenerated water resources are captured, and sulfur and nitrogen source pollutants are changed into sulfur and nitrogen fertilizers.

Description

Distributed photovoltaic, water, waste heat and fertilizer integrated intelligent greenhouse

Technical Field

The utility model relates to a warmhouse booth technical field, concretely relates to distributing type photovoltaic, water, used heat, fertilizer integration intelligent warmhouse booth.

Background

On one hand, the greenhouse needs heating, and if fossil raw materials are adopted, the heating is expensive and the environment is not friendly. The greenhouse is also called as a greenhouse, lighting covering materials are used as all or part of building enclosure materials, the greenhouse can transmit light and preserve heat, can be used for building plants in winter or other seasons which are not suitable for open plant growth, and is multi-purpose for cultivation or seedling raising of plants such as warm vegetables, flowers, woods and the like in low-temperature seasons. The good heat insulation performance is a necessary condition for healthy growth of the out-of-season vegetables in the greenhouse, but the sunshine rate in winter in northern areas of China is low, the greenhouse also needs to keep a certain amount of ventilation times on the premise of ensuring sealing and heat insulation, and the low outdoor temperature during ventilation can influence the growth of crops. The greenhouse in northern areas of China is required to maintain indoor temperature suitable for crop growth by adopting a certain heating mode.

On the other hand, some specific industrial park eco-facilities (e.g., boiler eco-facilities) exhaust gas is rich in a large amount of low-quality waste heat (the temperature of the exhaust gas is generally about 45 to 65 ℃), water (in a saturated gas state), carbon dioxide, nitrogen oxides, and sulfur oxides. The part of energy and substances are discharged in vain, the environment is polluted, and greenhouse gases (water and carbon dioxide are both greenhouse gases) in the atmosphere are increased.

On the other hand, the greenhouse can effectively receive solar energy for heat preservation and photosynthesis, but the solar energy changes along with the change of the shade and the sunny day and is unstable. When the light energy is sufficient, the greenhouse is overheated and needs to be cooled, and when the light energy is insufficient, light supplement (plant photosynthesis) and heat supplement are needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a distributed photovoltaic, water, waste heat and fertilizer integrated intelligent greenhouse which is characterized by comprising a heat exchange demister, a greenhouse heating system, a greenhouse gas fertilizer supply system, a greenhouse water fertilizer supply system, a greenhouse photovoltaic power generation, energy storage and illumination system, a greenhouse sensing and automatic control system, a communication system, a garden master control system and a cloud master control system; the heat exchange demister comprises a dividing wall type condensation demister, a spray heat exchanger, a water collector, a pump and a pipeline; the spraying heat exchanger is located on the left side of the dividing wall type condensation demister, the water collector is located below the spraying heat exchanger and the dividing wall type condensation demister, a pump is arranged below the water collector, the heat exchange demister is connected with tail gas discharged by an environment-friendly facility, the greenhouse heating system and the greenhouse water and fertilizer system are respectively connected with a liquid outlet pipeline of the heat exchange demister, the greenhouse gas and fertilizer supply system is connected with an exhaust pipe of the heat exchange demister, the greenhouse sensor and the automatic control system are connected with the garden main control system through a communication system, and the garden main control systems are connected with the cloud main control system.

Preferably, the greenhouse heating system comprises a water inlet pipe, greenhouse radiators, an underground heating pipeline, a ground temperature sensor, an air temperature sensor, an exhaust device, a humidifying device and a water return pipe, wherein the greenhouse radiators are arranged in the greenhouse, the heating pipeline is arranged underground the greenhouse, the water inlet pipe, the greenhouse radiators, the heating pipeline and the water return pipe are sequentially connected, the water inlet pipe is connected with a pump, and the water return pipe is connected with the dividing wall type condensation demister; and a ground temperature sensor and an air temperature sensor are arranged in 4 directions of the soil in the greenhouse.

Preferably, the greenhouse water and fertilizer system comprises a storage tank, a liquid level meter, a PH meter and an ammonia adding device, wherein the liquid level meter and the PH meter are arranged in the storage tank, and the storage tank is provided with the ammonia adding device; the greenhouse water and fertilizer system is connected with the pump through a pipeline.

Preferably, the greenhouse gas fertilizer supply system comprises a gas fertilizer extraction pipe, a carbon dioxide concentration regulator, a regenerative water raiser, a hot and dry air pipe, a cold air inlet, a water accumulation hopper, a wet and cold flue gas pipe, an air and flue gas mixer, a mixed air pipe, a dilution fan and a nozzle, wherein the exhaust pipe is connected with the gas fertilizer extraction pipe, the gas fertilizer extraction pipe is provided with the carbon dioxide concentration regulator, and the gas fertilizer extraction pipe is connected with the regenerative water raiser; a plurality of air pipes are arranged in the regenerative water lifter, one end of each air pipe is connected with a cold air inlet through a pipeline, and the other end of each air pipe is connected with a hot dry air pipe; the space between the air fertilizer extraction pipe and the air pipe is communicated, the regenerative water elevator is connected with the wet-cold flue gas pipe, the cooled flue gas enters the air-flue gas mixer through the wet-cold flue gas pipe, and the other end of the air-flue gas mixer is connected with the hot-dry air pipe; the air-flue gas mixer is connected with a mixing gas pipe, a dilution fan is arranged in front of the mixing gas pipe, the dilution fan is connected with an air fertilizer supply pipe, and a nozzle is arranged on the air fertilizer supply pipe in the greenhouse.

Preferably, the greenhouse photovoltaic power generation, energy storage and illumination system comprises a photovoltaic panel, an energy storage device and an illumination device, wherein the photovoltaic panel forms a full-length array in the north and south directions without light leakage, light leaks to greenhouse plants at intervals in the east-west direction, the photovoltaic panel is connected with the energy storage device, and the energy storage device is connected with the illumination device.

Preferably, the greenhouse sensing and automatic control system comprises a ground temperature sensor, an air temperature sensor, a carbon dioxide sensor, a carbon monoxide sensor, a light illumination sensor, a water temperature sensor, a water flow meter, a heat meter and an electric meter.

Preferably, the water collector is provided with an ammonia addition system.

Preferably, the intelligent greenhouses are distributed and arranged in the open space of the industrial park or in the nearby general agricultural land, and the radius of the intelligent greenhouses to the tail gas emission source is not more than 2 kilometers.

The utility model discloses intelligent greenhouse arranges for the distributing type, utilizes the open space of industrial park or near general agricultural land used, and apart from exhaust emission source radius no longer than 2 kilometers.

The utility model effectively utilizes the waste heat in the tail gas for heating the greenhouse; condensing and extracting water and mineral substances (nitrogen fertilizer and sulfur fertilizer) in the tail gas for plant irrigation while heating; carbon dioxide in the tail gas is used as an air fertilizer for plant growth. The excessive solar energy is used for generating and storing, supplementing light in cloudy days and prolonging illumination time in sunny days. All the systems are intelligently controlled, and artificial environments required by growth, such as temperature, humidity, illumination, carbon dioxide gas concentration and water and fertilizer, are intelligently provided according to the characteristics of plant growth. And the industrial waste heat is utilized, carbon dioxide and regenerated water resources are captured, and sulfur and nitrogen source pollutants are changed into sulfur and nitrogen fertilizers.

Drawings

Fig. 1 is the general system diagram of the distributed photovoltaic, water, waste heat and fertilizer integrated intelligent greenhouse of the utility model.

Fig. 2 is a schematic structural view of a greenhouse heating system.

Fig. 3 is a schematic structural diagram of a greenhouse gas fertilizer supply system.

In the figure: 1-1, a dividing wall type condensation demister, 1-2, a spraying heat exchanger, 1-3, a water collector, 1-4, a pump pipeline, 2, a greenhouse heating system, 3, a greenhouse water and fertilizer supply system, 4, a greenhouse gas and fertilizer supply system, 5, a greenhouse photovoltaic power generation, energy storage and illumination system, 6, a greenhouse sensing and automatic control system, 7, a communication system, 8, a garden general control system, 9, a chimney, 10, a cloud general control system, 11, a water return pipe, 12, a spray head, 13, a greenhouse radiator, 14, an underground heating pipeline, 15, a water inlet pipe, 16, a radiator water return pipe, 17, an underground heating pipeline water return pipe, 18, a channel, 19, a cultivation area, 20, outdoor ground, 21, an air fertilizer extraction pipe, 22, a carbon dioxide concentration regulator, 23, a regenerative water lifter, 24, a hot dry air pipe, 25, a cold air inlet, 26, a water accumulation hopper, 27, a condensate pipe, 28, a wet cold flue gas pipe, 29, an air flue gas mixer, 30, a dilution fan, 31, a nozzle, 32, an air fertilizer supply pipe, 33, a mixed air pipe, 34 and an exhaust pipe.

Detailed Description

The technical solutions of the present invention will be clearly and completely described below in connection with specific embodiments, but it should be understood by those skilled in the art that the embodiments described below are only for illustrating the present invention and should not be construed as limiting the scope of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model discloses a distributed photovoltaic, water, waste heat, fertilizer integrated intelligent greenhouse, which comprises a heat exchange demister 1, a greenhouse heating system 2, a greenhouse gas fertilizer supply system 3, a greenhouse liquid fertilizer supply system 4, a greenhouse photovoltaic power generation, energy storage and illumination system 5, a greenhouse sensing and automatic control system 6, a communication system 7, a garden general control system 8 and a cloud general control system 10; the heat exchange demister 1 consists of a dividing wall type condensation demister 1-1, a spray heat exchanger 1-2, a water collector 1-3, a pump 1-4 and a pipeline; the return water of the return water pipe 11 enters from the right side of the heat exchange demister 1, is folded back in the heat exchange demister 1 to increase the contact between the return water in the pipe and the flue gas, the return water pipe 11 enters the right side of the heat exchange demister 1, extends to the left side of the heat exchange demister 1, is vertically arranged at the left end of the heat exchange demister 1, and a spray head 12 is arranged on a vertical pipe; the right side of the heat exchange demister 1 forms a dividing wall type condensation demister 1-1, surface heat exchange is adopted in the dividing wall type condensation demister 1-1, cold water in the water return pipe 11 exchanges heat with flue gas outside the pipe, the heat transfer coefficient is low, but countercurrent heat exchange can be realized, meanwhile, the water return pipe 11 can capture condensed liquid drops, and carrying of the liquid drops in the flue gas is reduced; the spray heat exchanger 1-2 is positioned at the left side of the dividing wall type condensation demister 1-1, is formed by downward extension of the tail part of a water return pipe 11, is provided with a spray head 12, is used for spray contact type heat exchange, and is used for absorbing sulfides, nitrogen oxides and a small amount of carbon dioxide in flue gas, wherein fog-shaped water drops are sprayed out of the spray head 12 at the tail end of the water return pipe 11 and directly contact with wet saturated flue gas entering the heat exchange demister 1, so that the heat transfer coefficient is high, and the sulfide, the nitrogen oxides and the small amount of carbon dioxide in the flue gas are absorbed while heat exchange is carried out; the water collector 1-3 is arranged below the spray heat exchanger 1-2 and the dividing wall type condensation demister 1-1, and the pump 1-4 is arranged below the water collector 1-3.

The greenhouse heating system 2 comprises a water inlet pipe 15, greenhouse heating plates 13, an underground heating pipeline 14, a ground temperature sensor, a gas temperature sensor, an exhaust device, a humidifying device and a water return pipe 11, wherein the greenhouse heating plates 13 are arranged in the greenhouse, the heating pipeline 14 is arranged underground the greenhouse, the water inlet pipe 15, the greenhouse heating plates 13, the heating pipeline 14 and the water return pipe 11 are sequentially connected, the water inlet pipe is connected with a pump 1-4, and the water return pipe is connected with a dividing wall type condensation demister 1-1; and the soil in the greenhouse is provided with a ground temperature sensor and an air temperature sensor in 4 directions of the south, the west and the north.

The greenhouse liquid manure system 3 comprises a storage tank, a regulating valve, a liquid level meter, a PH meter and an ammoniation device, wherein the liquid level meter and the PH meter are arranged in the storage tank, the storage tank is provided with the ammoniation device, the regulating valve is connected with the storage tank, and the greenhouse liquid manure system 2 is connected with the pumps 1-4 through pipelines.

The plant growth is mainly photosynthesis, carbon dioxide is an essential growth element, and the greenhouse gas fertilizer supply system 4 is as follows:

the exhaust pipe 34 is connected with the gas fertilizer extraction pipe 21, and a certain amount of smoke is extracted according to the growth requirement of the greenhouse plants; the gas fertilizer extraction pipe 21 is provided with a carbon dioxide concentration regulator 22, the carbon dioxide concentration regulator 22 can select a gas valve, and the carbon dioxide concentration is adjusted by adjusting the supply amount of flue gas and adjusting the mixing proportion of the flue gas and air. The air fertilizer extraction pipe 21 is connected with a regenerative water lifter 23, the regenerative water lifter 23 adopts a surface cooler, a plurality of air pipes are transversely arranged in the regenerative water lifter 23, one end of each air pipe is connected with a cold air inlet 25 through a pipeline, and cold air in the atmospheric environment is introduced; the other end of the air pipe is connected with a hot dry air pipe 24. The wet and hot saturated flue gas that air fertilizer extraction tube 21 got into gets into the space between a plurality of air pipes, fresh air and flue gas carry out the surface heat transfer in the air pipe, the flue gas is cooled, condensation partly moisture, the air is heated, air humidity reduces, the wet and cold saturated flue gas after the cooling passes through wet and cold flue gas pipe 28 and gets into air flue gas blender 29, hot dry air pipe 24 is connected to air flue gas blender 29 other end, let in the hot dry air after the heating, the gas after wet and cold saturated flue gas and the hot dry air mixture passes through gas mixing pipe 33 and discharges, gas mixing pipe 33 is preceding to be equipped with dilution fan 30, the mist is sucked by dilution fan 30, send to the warmhouse booth through nozzle 31 after the pressurization. And (4) carrying out variable frequency regulation on the dilution fan, and regulating the total input amount of carbon dioxide by controlling the frequency of the dilution fan. The input total amount is determined according to a plant growth mathematical model.

Greenhouse photovoltaic power generation, energy storage and lighting system 5 comprises the photovoltaic board, accumulator and illumination, and the photovoltaic board north and south forms the no light leakage of full-length array, and there is the interval light leak for greenhouse plant in the east-west direction, and the maximum illumination intensity of light leak is that vegetation is 1.2 times of required luminous intensity, guarantees like this to be not less than the required luminous intensity of vegetation, and the photovoltaic board is furnished with rotary mechanism, and the rotation axis is north and south, and the photovoltaic board links to each other with the accumulator, and the accumulator links to each other with lighting system.

The greenhouse sensing and automatic control system comprises a ground temperature sensor, an air temperature sensor, a carbon dioxide sensor, a carbon monoxide sensor, a light illumination sensor, a water temperature sensor, a water flow meter, a heat meter and an electric meter.

The water collector 1-3 is provided with an ammonia adding system.

The intelligent greenhouses are distributed, and the intelligent greenhouses are not more than 2 kilometers away from a tail gas emission source by utilizing the open space of an industrial park or the common agricultural land nearby.

The utility model effectively utilizes the waste heat in the tail gas for heating the greenhouse; condensing and extracting water and mineral substances (nitrogen fertilizer and sulfur fertilizer) in the tail gas for plant irrigation while heating; carbon dioxide in the tail gas is used as an air fertilizer for plant growth. The excessive solar energy is used for generating and storing, supplementing light in cloudy days and prolonging the illumination time in sunny days. All the systems are intelligently controlled, and artificial environments required by growth, such as temperature, humidity, illumination, carbon dioxide gas concentration and water and fertilizer, are intelligently provided according to the characteristics of plant growth. And (3) collecting carbon dioxide and regenerated water resources while utilizing industrial waste heat, and changing sulfur and nitrogen source pollutants into sulfur and nitrogen fertilizers.

The utility model discloses intelligent greenhouse is by heat transfer defroster 1, greenhouse heating system 2, greenhouse gas manure supply system 3, greenhouse liquid manure supply system 4, greenhouse photovoltaic power generation, energy storage and lighting system 5, greenhouse sensing and autonomous system 6, communication system 7, garden total control system 8, high in the clouds total control system 10 is constituteed.

The dividing wall type condensation demister 1-1 is mainly composed of heat exchange tubes and heat exchange tube fins, the shapes and the intervals of the heat exchange tube fins can guarantee the inertial separation of fog drops, meanwhile, countercurrent heat exchange is achieved, the advantages of integration of condensation and trapping are achieved, and the water film generated by condensation is more effective in trapping the fog drops. The spray heat exchanger 1-2 provides crystallization nuclei for gas phase condensation, and simultaneously realizes direct contact type heat exchange, and the heat exchange efficiency is high. The water collector 1-3 collects the sprayed water and dissolved fertilizer in the water for a water bucket, and simultaneously carries out liquid level measurement and PH measurement. The output of pump is reduced when the liquid level is low, and the output of pump is increaseed when the liquid level is high, guarantees that the constancy of liquid level comes governing system's output, and 1-3 configuration of water collector simultaneously add the ammonia system, and the PH value of balanced regulation liquid manure is the optimum growing environment of plant. The water temperature at the inlet of the heat exchange tube is 20-30 ℃, and the water temperature after heat exchange is controlled at 40-50 ℃.

The utility model discloses step heating method can be adopted in intelligent greenhouse heating. The working principle is as follows: the hot water with the temperature of 40-50 ℃ firstly enters the radiator and the temperature of the greenhouse is quickly adjusted. And cooling to 40 ℃, entering a soil heat storage area to ensure the temperature and heat storage of the root system, entering a radiation heating area, and returning to the system after the temperature is reduced to 20 ℃. The radiant heating area is paved with PPR pipelines and then covered with soil. The depth of the buried PPR pipeline in the cultivation area is 0.4 m, which is basically lower than the height of the root system of the plant, and the buried depth of the channel area is 0.2 m.

The soil is provided with ground temperature and air temperature sensors in 4 directions of the south, the west and the north, and the temperature is controlled according to elements such as day, night, plant growth period and the like. Meanwhile, the device for automatically controlling air exhaust and humidification is arranged, so that the artificial environment of the greenhouse is consistent with the growth period of the plants.

Greenhouse liquid manure supply system:

the water in the tail gas is in a saturated state, a large amount of water and nitrogen oxides exist after the tail gas passes through the heat exchange demister, the sulfur oxides are condensed to form water-soluble substances which are faintly acid, and the water-soluble fertilizer is formed after tempering and ammonia adding and is used for a greenhouse water-fertilizer system.

The greenhouse water and fertilizer system comprises a storage tank, a regulating valve, a liquid level meter, a PH meter and the like, and is matched with other purchased fertilizers according to the growth cycle and characteristics of plants to form necessary water soluble fertilizers for irrigating plants.

Greenhouse photovoltaic power generation, energy storage and lighting system:

the greenhouse photovoltaic power generation, energy storage and illumination system consists of a photovoltaic panel, an energy storage device and an illumination device. The photovoltaic panels are arranged in the south and north directions to form a through-length array which does not leak light, light is leaked to greenhouse plants at intervals in the east-west direction, and the illumination intensity from the light leakage to the growth of the plants is 1.2 times of the required maximum light intensity. East-west interval lengths are determined by the algorithm. The photovoltaic panel is provided with a rotating mechanism, the rotating shaft is in the north-south direction, the rotating angle is in the east-west direction, the illumination intensity of the plants is firstly guaranteed (the illumination intensity of the plants is a function of the types of the plants and the time), the photovoltaic power generation is transmitted to the energy storage system, and when the illumination intensity of the sun does not meet the growth intensity of the plants, the energy storage system and the lighting system are started to supplement light.

Greenhouse sensing and automatic control system:

the greenhouse sensing and automatic control system is composed of a ground temperature sensor, an air temperature sensor, a carbon dioxide concentration sensor, a carbon monoxide sensor, a light illumination sensor, a water temperature sensor, a water flowmeter, a heat meter and an electric meter.

The control system of a single greenhouse uploads data to the park master control system 8 and then uploads the data to the cloud master control system 10 to form a secondary control system of the park master control system 8 and the cloud master control system 10; the garden is a plurality of A, B, C, D and the like, and the garden master control system 8 of each garden is respectively connected with the cloud master control system 10.

The greenhouse heating system 2 and the greenhouse gas fertilizer supply system 3 can be a plurality of groups which are connected in parallel with the water outlet pipe of the pump 104, the greenhouse water fertilizer supply system 4, the greenhouse photovoltaic power generation, energy storage and illumination system 5 and the greenhouse sensing and automatic control system 6.

The following provides a detailed description of preferred embodiments of the present invention with reference to the examples. It should be understood that the following examples are given for illustrative purposes only and are not intended to limit the scope of the present invention. Those skilled in the art can make various modifications and substitutions to the present invention without departing from the spirit and scope of the present invention, and all such modifications and substitutions fall within the scope of the appended claims.

The experimental procedures used in the following examples are all conventional procedures unless otherwise specified. Materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of this invention without departing from the spirit thereof.

Claims

1. A distributed photovoltaic, water, waste heat and fertilizer integrated intelligent greenhouse is characterized by comprising a heat exchange demister, a greenhouse heating system, a greenhouse gas fertilizer supply system, a greenhouse water fertilizer supply system, a greenhouse photovoltaic power generation, energy storage and illumination system, a greenhouse sensing and automatic control system, a communication system, a park master control system and a cloud master control system; the heat exchange demister comprises a dividing wall type condensation demister, a spray heat exchanger, a water collector, a pump and a pipeline; the spraying heat exchanger is located on the left side of the dividing wall type condensation demister, the water collector is located below the spraying heat exchanger and the dividing wall type condensation demister, a pump is arranged below the water collector, the heat exchange demister is connected with tail gas discharged by an environment-friendly facility, the greenhouse heating system and the greenhouse water and fertilizer system are respectively connected with a liquid outlet pipeline of the heat exchange demister, the greenhouse gas and fertilizer supply system is connected with an exhaust pipe of the heat exchange demister, the greenhouse sensor and the automatic control system are connected with the garden main control system through a communication system, and the garden main control systems are connected with the cloud main control system.

2. The distributed photovoltaic, water, waste heat and fertilizer integrated intelligent greenhouse as claimed in claim 1, wherein the greenhouse heating system comprises a water inlet pipe, greenhouse radiators, an underground heating pipeline, a ground temperature sensor, an air temperature sensor, an exhaust device, a humidifying device and a water return pipe, wherein the greenhouse radiators are arranged in the greenhouse, the heating pipeline is arranged underground the greenhouse, the water inlet pipe, the greenhouse radiators, the heating pipeline and the water return pipe are sequentially connected, the water inlet pipe is connected with a pump, and the water return pipe is connected with a dividing wall type condensation demister; and the soil in the greenhouse is provided with a ground temperature sensor and an air temperature sensor in 4 directions of the south, the west and the north.

3. The distributed photovoltaic, water, waste heat and fertilizer integrated intelligent greenhouse as claimed in claim 1, wherein the greenhouse water and fertilizer system comprises a storage tank, a liquid level meter, a pH meter and an ammonia adding device, the liquid level meter and the pH meter are arranged in the storage tank, and the storage tank is provided with the ammonia adding device; the greenhouse water and fertilizer system is connected with the pump through a pipeline.

4. The distributed photovoltaic, water, waste heat and fertilizer integrated intelligent greenhouse as claimed in claim 1, wherein the greenhouse gas and fertilizer supply system comprises a gas and fertilizer extraction pipe, a carbon dioxide concentration regulator, a regenerative water lifter, a hot and dry air pipe, a cold air inlet, a wet and cold flue gas pipe, an air and flue gas mixer, a mixed air pipe, a dilution fan and a nozzle, the exhaust pipe is connected with the gas and fertilizer extraction pipe, the gas and fertilizer extraction pipe is provided with the carbon dioxide concentration regulator, and the gas and fertilizer extraction pipe is connected with the regenerative water lifter; a plurality of air pipes are arranged in the regenerative water lifter, one end of each air pipe is connected with a cold air inlet through a pipeline, and the other end of each air pipe is connected with a hot dry air pipe; the space between the air fertilizer extraction pipe and the air pipe is communicated, the regenerative water lifter is connected with the wet and cold flue gas pipe, the cooled flue gas enters the air and flue gas mixer through the wet and cold flue gas pipe, and the other end of the air and flue gas mixer is connected with the hot and dry air pipe; the air-flue gas mixer is connected with a mixing gas pipe, a dilution fan is arranged in front of the mixing gas pipe, the dilution fan is connected with an air fertilizer supply pipe, and a nozzle is arranged on the air fertilizer supply pipe in the greenhouse.

5. The distributed photovoltaic, water, waste heat and fertilizer integrated intelligent greenhouse as claimed in claim 1, wherein the greenhouse photovoltaic power generation, energy storage and illumination system comprises photovoltaic panels, energy storage devices and illumination devices, the photovoltaic panels form a full-length array in the north and south directions without light leakage, light leaks to greenhouse plants at intervals in the east-west direction, the photovoltaic panels are connected with the energy storage devices, and the energy storage devices are connected with the illumination devices.

6. The distributed photovoltaic, water, waste heat and fertilizer integrated intelligent greenhouse as claimed in claim 1, wherein the greenhouse sensing and automatic control system comprises a ground temperature sensor, an air temperature sensor, a carbon dioxide sensor, a carbon monoxide sensor, a light illumination sensor, a water temperature sensor, a water flow meter, a heat meter and an electric meter.

7. The distributed photovoltaic, water, waste heat and fertilizer integrated intelligent greenhouse as claimed in claim 1, wherein the water collector is provided with an ammonia adding system.

8. The distributed photovoltaic, water, waste heat and fertilizer integrated intelligent greenhouse as claimed in claim 1, wherein the intelligent greenhouse is distributed and is arranged in the open space of an industrial park or a nearby general agricultural land, and the radius from an exhaust emission source is not more than 2 kilometers.