CN111406695A - Ecological cycle cultivation system, cultivation method, sewage collection treatment tank and cultivation water tank - Google Patents
Ecological cycle cultivation system, cultivation method, sewage collection treatment tank and cultivation water tank Download PDFInfo
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- CN111406695A CN111406695A CN202010245072.8A CN202010245072A CN111406695A CN 111406695 A CN111406695 A CN 111406695A CN 202010245072 A CN202010245072 A CN 202010245072A CN 111406695 A CN111406695 A CN 111406695A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 406
- 239000010865 sewage Substances 0.000 title claims abstract description 222
- 238000012364 cultivation method Methods 0.000 title claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 147
- 230000001954 sterilising effect Effects 0.000 claims abstract description 66
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 65
- 241000196324 Embryophyta Species 0.000 claims abstract description 35
- 238000005273 aeration Methods 0.000 claims abstract description 30
- 239000003337 fertilizer Substances 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims description 31
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 28
- 239000013049 sediment Substances 0.000 claims description 19
- 230000000149 penetrating effect Effects 0.000 claims description 18
- 235000013311 vegetables Nutrition 0.000 claims description 18
- 238000005086 pumping Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 230000003116 impacting effect Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- 210000002700 urine Anatomy 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 1
- 239000002244 precipitate Substances 0.000 claims 1
- 239000008213 purified water Substances 0.000 claims 1
- 235000015097 nutrients Nutrition 0.000 abstract description 6
- 238000009360 aquaculture Methods 0.000 abstract description 2
- 244000144974 aquaculture Species 0.000 abstract description 2
- 239000002351 wastewater Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 238000009395 breeding Methods 0.000 description 7
- 230000001488 breeding effect Effects 0.000 description 7
- 241000251468 Actinopterygii Species 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 239000003621 irrigation water Substances 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
-
- 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
- A01G31/00—Soilless cultivation, e.g. hydroponics
- A01G31/02—Special apparatus therefor
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
- A01K63/006—Accessories for aquaria or terraria
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/045—Filters for aquaria
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/06—Arrangements for heating or lighting in, or attached to, receptacles for live fish
- A01K63/065—Heating or cooling devices
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Hydroponics (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention relates to an ecological cycle cultivation system, a cultivation method, a sewage collection treatment tank and a cultivation water tank, wherein the ecological cycle cultivation system comprises a cultivation tank, a sewage collection treatment tank, a cultivation water tank and a water return treatment tank which are sequentially connected through a pipeline, the water return treatment tank is connected with the cultivation tank through a water return pipe, residual feeding excrement in the cultivation tank enters the sewage collection treatment tank, is subjected to scattering aeration sterilization treatment by a sewage sterilization tank, is changed into liquid fertilizer to flow into the cultivation water tank, is absorbed and purified by plant root systems in the cultivation water tank, then is converged into the water return treatment tank along with tank water, is filtered and sterilized in the water return treatment tank, and then flows into the cultivation tank again to form ecological closed water circulation. The invention can fully utilize nutrient element mixed liquor in the culture pond as nutrient solution of plants in the planting water tank, and the nutrient solution is absorbed and purified by the plants in the planting water tank and then is returned to the culture pond, thereby realizing ecological closed water circulation, saving water resources and simultaneously treating and increasing the value of aquaculture wastewater.
Description
Technical Field
The invention relates to the field of cultivation and planting, in particular to an ecological cycle cultivation system and a cultivation method thereof, a sewage collecting and treating pond for the ecological cycle cultivation system and a planting water tank for the ecological cycle cultivation system.
Background
China is a big country for aquaculture, the traditional culture mode is culture, in the traditional culture industry, as ammonia nitrogen in water increases along with the accumulation of excrement and residual feed of fishes, the survival of the fishes is not facilitated, and part of farmers do not have tail water purification consciousness, so that the discharge of residual feed excrement in tail water causes pollution to the surrounding environment;
therefore, an idea of combining cultivation and planting is proposed, but most of cultivation systems in the prior art use an open-loop mode, that is, a cultivation pond and a planting pond are connected through a pipeline and used as disposable irrigation water which is directly discharged after being absorbed and purified by plants.
Disclosure of Invention
The invention aims to provide an ecological cycle cultivation system and a cultivation method thereof, which solve the problems that the traditional open-loop cultivation system wastes water resources and irrigation water cannot be fully absorbed by plants; another object of the present invention is to provide a sewage collecting treatment tank which solves the problem that the tail water generated in the culture tank cannot be sufficiently treated; still another object of the present invention is to provide a planting water tank which solves the problem that the plants in the planting water tank cannot sufficiently absorb the nutrients in the water tank
The technical solution of the invention is as follows: the utility model provides an ecological cycle system of planting of growing, its special character lies in, includes the breed pond, the dirty processing pond of collection, plants basin and the return water treatment pond that connect gradually through the pipeline, return water treatment pond and breed pond pass through the wet return and are connected, and the incomplete excrement and urine of raising in the breed pond gets into the dirty processing pond of collection and is broken up waterfall sterilization treatment back by sewage sterilization jar, becomes liquid fertilizer inflow and plants the basin, and after planting the interior plant root system of basin and absorbing and purifying, the water treatment pond of converging along with the groove water, in the pond is bred in the reentrant flow of filtration disinfection back in the return water treatment pond, forms ecological closed water circulation.
Preferably, the method comprises the following steps: breed bottom of the pool and establish to the back taper, breed the center of the pool and be equipped with the pipeline assembly who takes the filter screen, breed incomplete in the pool and raise excrement and urine and pass through pipeline assembly collects the outflow, it still is connected with fresh water moisturizing pipe and air-blower to breed the pool, fresh water moisturizing pipe delivery port is connected with the ball-cock assembly for the minimum liquid level in control breed the pool, the air-blower is connected through the nanometer waterfall trachea in metal coil pipe and the pond that sets up in the pool for keep breeding the interior temperature of pool and maintain the oxygen content of breeding water.
Preferably, the method comprises the following steps: the dirty processing pond of collection is including sewage water inlet, sewage sterilization jar, and pipe assembly passes the sewage water inlet gets into in the dirty processing pond of collection, the sewage sterilization jar is installed in the dirty processing pond of collection through the support frame that sets firmly below the jar body, the dirty processing pond of collection still includes the liquid level control subassembly, the liquid level control subassembly through a tee bend with pipe assembly connects, the liquid level control subassembly includes No. two tee bends and connects discharge valve and the liquid level control pipe in No. two tee bends, a tee bend passes through the tube coupling with No. two tee bends, the liquid level control pipe is located the dirty processing pond of collection, and when breeding the intraductal liquid level height of pond in blowdown state and liquid level height liquid level control, the interior sewage overflow of liquid level control pipe gets into the dirty processing pond of collection, and the discharge valve is located the bottom of liquid level control subassembly.
Preferably, the method comprises the following steps: the sewage sterilization tank comprises a tank body, a sewage aeration ozone sterilization device penetrating through a bottom plate of the tank body, a sewage water outlet arranged above the wall of the tank body, and an exhaust hole penetrating through a top cover of the tank body, wherein the tank body sequentially comprises a top cover, a tank body wall and a bottom plate which are connected through a fixing element from top to bottom.
Preferably, the method comprises the following steps: the sewage aeration ozone sterilization device comprises a sewage pump arranged at the center of a base plate in a penetrating mode, a gas-liquid mixing pipe connected with the sewage pump and a sewage impact cone arranged at the water outlet of the gas-liquid mixing pipe facing the right lower side, wherein the sewage pump is provided with a main water suction hole and an auxiliary water suction hole, the main water suction hole penetrates through the center of the base plate of a tank body and is used for pumping sewage in a sewage collection treatment tank, the auxiliary water suction hole is positioned in the tank body and is used for recovering sediments which are not scattered in the tank body, one end of the gas-liquid mixing pipe is connected with the water outlet of the sewage pump, the other end of the gas-liquid mixing pipe is perpendicularly downwards designed after turning for multiple times, the sewage pumped by the sewage pump is flushed to the sewage impact cone and is scattered to residual excrement in the sewage, an ejector is arranged at the water outlet of the gas-.
Preferably, the method comprises the following steps: the planting basin is labyrinth basin, the intensive raft that has a plurality of water ploughs that is covered with in each row of water course of planting basin, the first water inlet of planting basin passes through the pipeline and is connected with sewage waterfall ozone sterilization apparatus's delivery port, the height that highly is less than the sewage delivery port height of the vertical direction of first water inlet, the first delivery port of planting basin passes through the basin water reflux with the return water treatment pond and is connected, it passes through the basin water circulating pipe with the second delivery port and is connected to plant basin second water inlet, be provided with the basin water circulating pump on the basin water circulating pipe for change the basin inside water flow direction of planting.
Preferably, the method comprises the following steps: the return water treatment tank comprises a return water filter sieve arranged at the lower end of the outlet of the water purification return pipe and a return water pump arranged in the bottom of the return water treatment tank, the return water pump pumps the filtered tank water back into the culture tank through a return water pipe, and an ultraviolet sterilization device is arranged on the return water pipe.
Preferably, the valves used in the lines of the system are either manual valves or valves controlled by a P L C control module.
Another technical solution of the present invention is a method for planting an ecological cycle planting system, which is characterized by comprising the steps of:
⑴ feeding fodder into the culture pond;
⑵ after the first set time, the water pump is started to provide rotational flow to the culture pond, so that the water in the culture pond is rotated to form a vortex, the water level in the culture pond is higher than the control water level, the water higher than the control water level flows out through the liquid level control pipe, at this time, the discharge valve of the pipeline component is opened, the residual excrement is collected to the pipeline component arranged at the center of the culture pond, and then flows into the sewage collection treatment pond through the pipeline component;
⑶ opening a sewage pump and an ozone supply device, pumping sewage mixed with residual excrement into a sewage sterilization tank through a main water suction port, performing mixed aeration sterilization in an ejector, impacting a sewage impact cone from top to bottom to perform scattering treatment, and enabling the treated sewage to flow out of a planting water tank from a water outlet of the sewage sterilization tank;
⑷ the sewage after the scattered aeration sterilization treatment flows into the planting water tank as liquid fertilizer, the original tank water is replaced to supplement the concentration of the liquid fertilizer in the tank water and is supplied to the roots of the plants planted on the hydroponic raft for absorption, the original tank water flows into the water return tank after passing through the labyrinth path arranged in the planting water tank, and the tank water is filtered by the water return filter screen and then pumped back to the culture tank to realize the ecological water circulation;
⑸ after the second set time, all valves are closed and the ecological water circulation is stopped.
Preferably, when the culture pond is in the step ⑴ and the liquid level is higher than the liquid level of the liquid level control pipe, sewage in the liquid level control pipe overflows until the liquid level of the culture pond is lower than the liquid level of the liquid level control pipe, the small-caliber discharge valve of the liquid level control assembly is intermittently opened, and sediment at the bottom of the liquid level control pipe pushes the liquid level control valve under the action of the small-caliber discharge valve to prevent the bottom of the liquid level control pipe from being blocked.
Preferably, when the particles of the sediments after the scattering treatment in the step ⑵ are excessively large and settle at the bottom of the tank body, the sewage pump sucks the sediments in the sewage sterilization tank into the gas-liquid mixing pipe again through the auxiliary water suction hole for secondary scattering.
Preferably, the method comprises the following steps: arranging the hydroponic raft discharge on the planting water tank according to the vegetable planting time length on the hydroponic raft, wherein the vegetable seed planting time on the hydroponic raft far away from the water inlet and the water outlet of the planting water tank is longest;
when the vegetables on the side, far away from the water inlet and the water outlet, of the planting water tank are ripe, the ripe hydroponic raft is moved away from the planting water tank, the tank water circulation pump is opened, the direction of water flow in the planting water tank is changed, the hydroponic raft is pushed to move towards the side, far away from the water inlet and the water outlet, the space generated by the moved hydroponic raft is filled, and the moved hydroponic raft is reaped and sowed again, and then is placed back into the planting water tank from the side, close to the water inlet and.
The invention further provides a technical solution: a sewage collecting and treating pool for an ecological cycle cultivation system is characterized by comprising a sewage inlet, a sewage sterilizing tank, a liquid level control assembly and a liquid level control assembly, wherein the pipeline assembly penetrates through the sewage inlet to enter the sewage collecting and treating pool, the sewage sterilizing tank is installed in the sewage collecting and treating pool through a support frame fixedly arranged below a tank body, the liquid level control assembly is connected with an external pipeline through a first tee joint, the liquid level control assembly comprises a second tee joint, a discharge valve and a liquid level control pipe, the discharge valve and the liquid level control pipe are connected to the second tee joint, the first tee joint is connected with the second tee joint through a pipeline, and the liquid level control pipe is positioned in the sewage collecting and treating pool and used for controlling the liquid level of the external pool;
the sewage sterilization tank comprises a tank body, a sewage aeration ozone sterilization device, a water outlet and an exhaust hole, wherein the sewage aeration ozone sterilization device is arranged on a bottom plate of the tank body in a penetrating mode, the water outlet is arranged above the wall of the tank body, the exhaust hole is arranged on a top cover of the tank body in a penetrating mode, and the tank body sequentially comprises a top cover, a wall of the tank body and a bottom plate which are connected through a fixing element;
the sewage aeration ozone sterilization device comprises a sewage pump arranged at the center of a base plate in a penetrating mode, a gas-liquid mixing pipe connected with the sewage pump and a sewage impact cone arranged at the water outlet of the gas-liquid mixing pipe facing the right lower side, wherein the sewage pump is provided with a main water suction hole and an auxiliary water suction hole, the main water suction hole penetrates through the center of the base plate of a tank body and is used for pumping sewage in a sewage collection treatment tank, the auxiliary water suction hole is positioned in the tank body and is used for recovering sediments which are not scattered in the tank body, one end of the gas-liquid mixing pipe is connected with the water outlet of the sewage pump, the other end of the gas-liquid mixing pipe is perpendicularly downwards designed after turning for multiple times, the sewage pumped by the sewage pump is flushed to the sewage impact cone and is scattered to residual excrement in the sewage, an ejector is arranged at the water outlet of the gas-.
The fourth technical solution of the invention is a planting water tank for an ecological cycle planting system, which is characterized in that the planting water tank is a labyrinth type water tank, each row of water channels of the planting water tank are densely covered with a plurality of water ploughing rafts, a first water inlet of the planting water tank is connected with a water feeding pump, a first water outlet of the planting water tank is connected with a water return treatment pool through a tank water return pipe, a second water inlet of the planting water tank is connected with a second water outlet through a tank water circulating pipe, and the tank water circulating pipe is provided with a tank water circulating pump for changing the water flowing direction in the tank of the planting water tank;
the water cultivation raft arrangement on the planting water tank is arranged according to the planting time of plants on the water cultivation raft, and the planting time of vegetable seeds on the water cultivation raft far away from the water inlet and outlet ends of the planting water tank is longest.
Compared with the prior art, the invention has the beneficial effects that:
⑴ the invention connects the breeding pool, the waste water treatment pool, the planting water tank and the backwater pool through pipelines, the residual feeding manure in the breeding pool is transported into the planting water tank after being treated, the plants are absorbed and purified, the purified tank water flows back into the breeding pool, thereby realizing the ecological closed water circulation, reducing the waste of water resources, and simultaneously purifying the tail water of the breeding pool, avoiding the pollution to the environment and reducing the cost of manual treatment;
⑵ the culture pond is connected with an air blower, the air blower is connected with an aeration pipe in the pond through a metal coil pipe, the oxygen content of the water in the culture pond is increased, high-temperature air pressurized by the air blower exchanges heat with the water in the culture pond through the metal coil pipe, and the water temperature in the culture pond is kept at 25-30 ℃;
⑶ a liquid level control pipe is arranged in the sewage collection and treatment tank, according to the principle of equal water pressure line, when the culture tank is in the state of no sewage discharge and the highest liquid level is higher than the liquid level of the liquid level control pipe, the sewage in the liquid level control pipe overflows to control the water level height in the culture tank, and meanwhile, the arrangement of the small caliber can prevent all the water in the culture tank from flowing out through the pipeline assembly when the discharge valve fails, so that the culture tank is dry, the discharge valve is intermittently opened to flush out the sediment deposited at the lower part of the liquid level control pipe, thereby preventing blockage;
⑷ A sewage pump in the sewage aeration ozone sterilization device is provided with a main water suction port and an auxiliary water suction hole, after the main water suction port carries out primary aeration sterilization treatment on sewage containing residual feeding excrement in the sewage collection treatment tank, the auxiliary water suction hole carries out secondary aeration sterilization treatment on sediment which is deposited at the bottom of the tank and is not completely aerated, so that the residual feeding excrement is ensured to be fully aerated and uniformly dispersed in water, and plants planted in the water tank can be conveniently absorbed and purified;
⑸ the ejector is arranged at the water outlet of the gas-liquid mixing pipe, and the sewage and ozone are mixed and sterilized by negative pressure, so that additional pressurizing equipment is not needed, and the cost is reduced.
⑹ the sewage sterilization tank is composed of a bottom plate, a tank body wall and a top cover which are sequentially arranged by fixing elements, so that the sewage sterilization tank can be conveniently installed, cleaned and maintained.
⑺ the labyrinth design of the planting water tank, the water in the tank flows out of the planting water tank after entering the planting water tank and passing through a long path of repeated turning back, so that the nutrient elements in the water in the tank can be fully absorbed by the roots of the plants planted on the hydroponic raft, and the tail water generated by the culture pond can be fully treated;
⑻ the flow control in the sewage collection treatment pool is controlled by the height of the water level of the planting water tank, the growth period of the plants planted on the water ploughing raft is adjusted, and the nutrient substances of the water in the planting water tank can be fully absorbed by the root system of the plants.
Drawings
FIG. 1 is a top view of the ecological planting system of the present invention;
FIG. 2 is a front sectional view of the ecological cycle planting system of the present invention;
FIG. 3 is a schematic view showing the structure of a sewage collecting treatment tank according to the present invention;
fig. 4 is a schematic structural view of the planting water tank of the present invention.
Detailed Description
The invention will be described in more detail below with reference to the accompanying drawings:
referring to fig. 1, 2 and 3, an ecological cycle cultivation system includes a cultivation pool 1, a sewage collection treatment pool 2, a planting water tank 3 and a return water treatment pool 4 which are connected in sequence through a pipeline, wherein the return water treatment pool 4 is connected with the cultivation pool 1 through a return water pipe, residual feeding excrement in the cultivation pool 1 enters the sewage collection treatment pool 2 and is subjected to scattering aeration sterilization treatment by a sewage sterilization tank 22, then the residual feeding excrement is changed into liquid fertilizer to flow into the planting water tank 3, and the liquid fertilizer is absorbed and purified by plant roots in the planting water tank 3, then flows into the return water treatment pool 4 along with tank water, and is filtered and sterilized in the return water treatment pool 4 and then flows into the cultivation pool 1 again to form an ecological closed water cycle.
The bottom of the culture pond 1 is designed to be inverted cone-shaped, the center of the culture pond 1 is provided with a pipeline assembly 11 with a filter screen, residual feeding excrement in the culture pond 1 is collected and flows out through the pipeline assembly 11, the culture pond 1 is also connected with a new water replenishing pipe 12 and an air blower 13, the water outlet of the new water replenishing pipe 12 is connected with a ball float valve 14, when the liquid level in the culture pond 1 is too low, the ball float valve 14 senses the liquid level height and feeds back the liquid level height to a water feeding pump of the new water replenishing pipe 12, and the new water is replenished to enter the culture pond 1, so that the death of fish fries in the culture pond 1 due to the;
the air blower 13 is connected with a nanometer waterfall air pipe 16 in the pond through a metal coil pipe 15 arranged in the pond, the air blower 13 pressurizes air and then conveys the air into the metal coil pipe 15, high-pressure air in the coil pipe 15 is subjected to heat exchange with culture water in the culture pond 1 through the pipe wall of the metal coil pipe 15, the temperature of the water in the culture pond 1 is kept stable between 25 ℃ and 30 ℃, the air after heat exchange is discharged into the culture pond 1 through the nanometer waterfall air pipe 16, and the oxygen content of the culture water in the culture pond 1 is increased.
One end of the water outlet of the pipeline assembly 11 penetrates through a sewage water inlet 21 of the sewage collection treatment tank 2 to enter the sewage collection treatment tank 2, a sewage sterilization tank 22 which is installed in the sewage collection treatment tank through a support frame 24 fixedly arranged below the tank body 221 and a liquid level control assembly 23 which is connected with the pipeline assembly 11 through a first tee 111 are arranged in the sewage collection treatment tank 2, the liquid level control assembly 23 comprises a second tee 231, a discharge valve 232 and a liquid level control pipe 233 which are respectively connected to different connectors of the second tee 231, the first tee 111 is connected with the second tee 231 through a pipeline, the liquid level control pipe 233 is positioned in the sewage collection treatment tank 2, and when the culture tank 1 is in a non-sewage discharge state and the liquid level of the culture tank is higher than the liquid level in the liquid level control pipe 233, sewage in the liquid level control pipe 233 overflows and enters the sewage collection treatment tank 2;
the drain valve 232 is located at the bottom of the liquid level control assembly 23, the drain valve 232 is intermittently opened, and sediment deposited at the bottom of the liquid level control pipe 233 is drained out of the liquid level control pipe 233, so that blockage in the liquid level control pipe due to long-term accumulation of the sediment is avoided.
The sewage sterilization tank 22 comprises a tank body 221, a sewage aeration ozone sterilization device 222 arranged on a bottom plate 2213 of the tank body in a penetrating mode, a sewage water outlet 223 arranged above a tank body wall 2212 and an exhaust pipe 224 arranged on a top cover 2211 of the tank body in a penetrating mode, wherein the tank body 221 sequentially comprises a top cover 2211, a tank body wall 2212 and a bottom plate 2213 which are connected through bolts from top to bottom.
The sewage aeration ozone sterilization device 222 comprises a sewage pump 2221 arranged in the center of the bottom plate 2213 in a penetrating way, a gas-liquid mixing pipe 2222 connected with the sewage pump 2221, and a sewage impact cone 2223 arranged at the water outlet of the gas-liquid mixing pipe 2222 and opposite to the right lower part, the sewage pump 2221 is provided with a main water suction hole 2224 and an auxiliary water suction hole 2225, the main water suction hole 2225 penetrates through the center 2213 of the bottom plate of the tank body, for pumping the sewage in the sewage collecting treatment tank 2, the auxiliary water sucking holes 2225 are located inside the tank body 22, used for recovering the sediments which are not scattered in the tank body 22, one end of the gas-liquid mixing pipe 2222 is connected with the water outlet of the sewage pump 2221, and after the other end turns for a plurality of times, the water outlet is designed vertically downwards, the sewage pumped by the sewage pump 2221 is flushed towards the sewage impact cone 2223, the residual feeding excrement in the sewage is scattered, an ejector 2226 is arranged at the water outlet of the gas-liquid mixing pipe 2222, the ejector 2226 is connected to an external ozone supply device through an ozone supply pipe 2227.
The sewage pump 2221 pumps the sewage in the sewage collection treatment tank 2 into the sewage sterilization tank 22 through the main water suction port 2224, the sewage impact cone 2223 is vertically impacted after disinfection aeration is performed by mixing negative pressure and ozone through the ejector 2226 at the water outlet of the gas-liquid mixing pipe 2222, the pumped sewage containing residual feed and excrement is scattered, and sediment which is not scattered completely is sucked again through the auxiliary water suction hole 2225 of the sewage pump 2221 to perform secondary disinfection aeration scattering treatment.
The height of the vertical direction of the sewage outlet 223 of the sewage sterilization tank 22 is higher than that of the first water inlet 35 of the planting water tank 3, so that the sewage after being treated by disinfection and aeration in the sewage collecting treatment tank 2 is changed into liquid fertilizer and flows to the first water inlet 35 of the planting water tank 3 through a pipeline under the action of gravity.
When the ecological cycle cultivation system is in normal operation, according to the growth period of the plants planted on the hydroponic raft 31 on the planting water tank 3, the flow of the sewage treated in the sewage collecting treatment tank 2 is controlled, so that the liquid level height in the water channel of the planting water tank 3 is controlled, when the plants are in the seedling stage, the roots of the plants are short, the flow of the sewage treated in the sewage collecting treatment tank is reduced, and the liquid level of the water channel of the planting water tank 3 is low, so that the roots of the plants are ensured to be completely immersed in the water;
when the plants are in the mature period, the roots of the plants are long, the flow of the sewage treated in the sewage collecting treatment tank 2 is increased, the liquid level of the water channel of the planting water tank 3 is high, and the roots of the plants are ensured to be completely immersed in the water in the tank.
The discharge sequence of the hydroponic rafts 31 of the planting water tank 3 is arranged according to the growth period of the vegetables on the hydroponic rafts 31, and the planting time of the seedlings of the vegetables on the hydroponic rafts far away from the water inlet and outlet ends of the planting water tank 3 is longest.
When the first batch of vegetables are ripe, the ripe hydroponic raft 31 of the vegetables is moved away from the water channel, the tank water circulating pump 33 is started to change the flow direction of tank water in the planting water tank 3, the immature hydroponic raft 31 of the vegetables is pushed to move, the gap generated when the hydroponic raft 31 is moved away is filled, and the ripe hydroponic raft 31 of the vegetables is harvested and placed back to the planting water tank 3 from the end close to the water inlet and outlet end.
The return water treatment tank 4 comprises a return water filter sieve 42 arranged at the lower end of the outlet of the water purification return pipe 41 and a return water pump 43 arranged in the bottom of the return water treatment tank 4, the return water pump 43 pumps the filtered tank water back to the culture tank 1 through a return water pipe 44, and an ultraviolet sterilization device 45 is arranged on the return water pipe 44.
The valves used in the lines of the present system are either manual valves or valves controlled by a P L C control module.
The specific planting method of the ecological cycle planting system comprises the following steps:
⑴ feeding fodder into the culture pond;
⑵ after 2h, the water feeding pump and the terminal valve of the pipeline assembly are opened, the water level in the culture pond is higher than the liquid level of the control water level, the water higher than the liquid level of the control water level flows out through the liquid level control pipe, at the moment, a vortex is formed in the culture pond, the residual excrement is collected to the pipeline assembly arranged at the center of the culture pond, and then flows into the sewage collection treatment pond through the pipeline assembly;
⑶ opening a sewage pump and an ozone supply device, pumping sewage mixed with residual excrement into a sewage sterilization tank through a main water suction port, performing mixed aeration sterilization in an ejector, impacting a sewage impact cone from top to bottom to perform scattering treatment, and enabling the treated sewage to flow out of a planting water tank from a water outlet of the sewage sterilization tank;
⑷ the sewage after the scattered aeration sterilization treatment flows into the planting water tank as liquid fertilizer, the original tank water is replaced to supplement the concentration of the liquid fertilizer in the tank water and is supplied to the roots of the plants planted on the hydroponic raft for absorption, the original tank water flows into the water return tank after passing through the labyrinth path arranged in the planting water tank, and the tank water is filtered by the water return filter screen and then pumped back to the culture tank to realize the ecological water circulation;
⑸ after the second set time, all valves are closed and the ecological water circulation is stopped.
When the culture pond is in the step ⑴ and the liquid level is higher than the liquid level height of the liquid level control pipe, sewage in the liquid level control pipe overflows until the liquid level height of the culture pond is lower than the liquid level height of the liquid level control pipe, meanwhile, the small-caliber discharge valve of the liquid level control assembly is intermittently opened, and sediment at the bottom of the liquid level control pipe rushes out of the liquid level control valve under the action of the small-caliber discharge valve to prevent the bottom of the liquid level control pipe from being blocked.
When the particles of the sediments after the scattering treatment in the step ⑵ are excessively large and settle at the bottom of the tank body, the sewage pump sucks the sediments in the sewage sterilization tank into the gas-liquid mixing pipe again through the auxiliary water suction hole for secondary scattering.
Arranging the hydroponic raft discharge on the planting water tank according to the vegetable planting time length on the hydroponic raft, wherein the vegetable planting and seedling planting time on the hydroponic raft far away from the water inlet and outlet ends of the planting water tank is longest;
when the vegetables in the planting water tank far away from the water inlet and outlet ends are mature, the mature hydroponic raft is moved away from the planting water tank, the tank water circulation pump is turned on, the direction of water flow in the planting water tank is changed, the hydroponic raft is pushed to move towards the water inlet and outlet ends far away, the space generated by the moved hydroponic raft is filled, and the moved hydroponic raft is reaped and sowed again and then is placed back to the planting water tank from the end close to the water inlet and outlet ends.
Referring to fig. 3, the sewage collecting and treating tank 2 includes a sewage inlet 21 and a sewage sterilizing tank 22, an external pipeline passes through the sewage inlet 21 and enters the sewage collecting and treating tank 2, the sewage sterilizing tank 22 is installed in the sewage collecting and treating tank 2 through a support frame 24 fixedly arranged below the tank body, the sewage collecting and treating tank 2 further includes a liquid level control assembly 23 connected with the external pipeline, the liquid level control assembly 23 is connected with the external pipeline through a first tee 111, the liquid level control assembly 23 includes a second tee 231, a discharge valve 232 connected to the second tee 231 and a liquid level control pipe 233, the first tee 111 is connected with the second tee 231 through a pipeline, and the liquid level control pipe 233 is located in the sewage collecting and treating tank 2 and used for controlling the liquid level of the external tank;
the sewage sterilization tank 22 comprises a tank body, a sewage aeration ozone sterilization device 222 penetrating through a bottom plate 2213 of the tank body, a sewage water outlet 223 arranged above a tank body wall 2212, and an exhaust hole 224 penetrating through a top cover 2211 of the tank body, wherein the tank body sequentially comprises a top cover 2211, a tank body wall 2212 and a bottom plate 2213 which are connected through fixing elements from top to bottom;
the sewage aeration ozone sterilization device 22 comprises a sewage pump 2221 arranged in the center of the bottom plate 2213 in a penetrating way, a gas-liquid mixing pipe 2222 connected with the sewage pump 2221 and a sewage impact cone 2223 arranged at the water outlet of the gas-liquid mixing pipe 2222 and opposite to the right lower part, the sewage pump 2221 is provided with a main water suction hole 2224 and an auxiliary water suction hole 2225, the main water suction hole 2224 penetrates the center of the bottom plate 2213 of the tank body, used for pumping sewage in the sewage collecting treatment tank 2, the auxiliary water suction holes 2225 are positioned in the tank body, used for recovering the sediments which are not scattered in the tank body, one end of the gas-liquid mixing pipe 2222 is connected with the water outlet of the sewage pump 2221, and after the other end turns for a plurality of times, the water outlet is designed vertically downwards, the sewage pumped by the sewage pump 2221 is flushed towards the sewage impact cone 2223, the residual feeding excrement in the sewage is scattered, an ejector 2226 is arranged at the water outlet of the gas-liquid mixing pipe 2222, the ejector 2226 is connected to an external ozone supply device through an ozone supply pipe 2227.
Referring to fig. 4, the planting water tank 3 is a labyrinth type water tank, a plurality of water cultivation rafts 31 are densely distributed in each row of water channels of the planting water tank 3, a first water inlet 35 of the planting water tank 3 is connected with a water feed pump 34, a first water outlet 37 of the planting water tank 3 is connected with a treatment tank through a tank water return pipe 41, a second water inlet and a second water outlet of the planting water tank 3 are connected through a tank water circulation pipe 32, and the tank water circulation pipe 32 is provided with a tank water circulation pump 33 for changing the flow direction of the tank water in the planting water tank 3;
the hydroponic rafts 31 on the planting water tank 3 are arranged according to the plant planting time on the hydroponic rafts 31, and the vegetable and seedling planting time on the hydroponic rafts 31 far away from the water inlet and outlet ends of the planting water tank 3 is the longest.
The above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (14)
1. The utility model provides an ecological cycle system of planting of growing, its characterized in that includes the breed pond, the dirty processing pond of collection, plants basin and return water treatment pond that connect gradually through the pipeline, return water treatment pond and breed the pond and pass through the wet return connection, breed the incomplete excrement and urine of raising in the pond and get into the dirty processing pond of collection and break up the waterfall gas sterilization processing back of dying by sewage sterilization jar, become liquid fertilizer inflow and plant the basin, after planting the interior plant root system of basin absorbs the purification, converge along with the groove water and go into the return water treatment pond, in the pond is bred in the reentrant flow of filtration disinfection back in the return water treatment pond, form ecological closed water circulation.
2. The ecological cycle cultivation system according to claim 1, wherein the bottom of the cultivation pond is designed to be inverted cone-shaped, the center of the cultivation pond is provided with a pipeline assembly with a filter screen, residual feeding excrement in the cultivation pond is collected and flows out through the pipeline assembly, the cultivation pond is further connected with a new water replenishing pipe and an air blower, a float valve is connected to a water outlet of the new water replenishing pipe and used for controlling the lowest liquid level in the cultivation pond, and the air blower is connected with a nanometer waterfall pipe in the pond through a metal coil pipe arranged in the pond and used for keeping the water temperature in the cultivation pond and keeping the oxygen content of the cultivation water.
3. The ecological cycle cultivation system according to claim 1, wherein the sewage collection treatment tank comprises a sewage inlet, a sewage sterilization tank, a pipeline assembly passing through the sewage inlet into the sewage collection treatment tank, the sewage sterilization tank being mounted in the sewage collection treatment tank by a support frame fixedly arranged below the tank body, the sewage collection treatment tank further comprises a liquid level control assembly, the liquid level control assembly is connected with the pipeline assembly by a tee joint, the liquid level control assembly comprises a tee joint II, a discharge valve and a liquid level control pipe connected with the tee joint II, the tee joint I is connected with the tee joint II by a pipeline, the liquid level control pipe is positioned in the sewage collection treatment tank, when the cultivation tank is in a non-sewage discharge state and the liquid level in the liquid level control pipe is high, sewage in the liquid level control pipe overflows and enters the sewage collection treatment tank, a drain valve is located at the bottom of the liquid level control assembly.
4. The ecological cycle cultivation system according to claim 3, wherein the sewage sterilization tank comprises a tank body, a sewage aeration ozone sterilization device penetrating through a bottom plate of the tank body, a sewage outlet arranged above a wall of the tank body, and an exhaust hole penetrating through a top cover of the tank body, and the tank body sequentially comprises the top cover, the wall of the tank body and the bottom plate which are connected through a fixing element from top to bottom.
5. The ecological cycle cultivation system according to claim 4, wherein the sewage aeration ozone sterilization device comprises a sewage pump penetrating the center of the bottom plate, a gas-liquid mixing pipe connected with the sewage pump, and a sewage impact cone arranged right below the water outlet of the gas-liquid mixing pipe, the sewage pump is provided with a main water suction hole and an auxiliary water suction hole, the main water suction hole penetrates through the center of the bottom plate of the tank body, used for pumping sewage in the sewage collecting treatment tank, the auxiliary water suction hole is positioned in the tank body and used for recovering the undispersed precipitate in the tank body, one end of the gas-liquid mixing pipe is connected with the water outlet of the sewage pump, and the water outlet is vertically designed downwards after the other end of the gas-liquid mixing pipe turns for a plurality of times to flush the sewage pumped by the sewage pump to the sewage impact cone, the residual feeding excrement in the sewage is scattered, an ejector is arranged at the water outlet of the gas-liquid mixing pipe and is connected with an external ozone supply device through an ozone supply pipe.
6. The ecological cycle cultivation system according to claim 1, wherein the cultivation water tank is a labyrinth type water tank, each row of water channels of the cultivation water tank is densely covered with a plurality of water cultivation rafts, a first water inlet of the cultivation water tank is connected with a water outlet of a sewage aeration ozone sterilization device of a sewage collecting and treating tank through a pipeline, the height of the first water inlet in the vertical direction is lower than that of a sewage water outlet, the first water outlet of the cultivation water tank is connected with a water return treating tank through a tank water return pipe, a second water inlet of the cultivation water tank is connected with the second water outlet through a tank water circulation pipe, and a tank water circulation pump is arranged on the tank water circulation pipe and used for changing the flow direction of tank water in the cultivation water tank.
7. The ecological cycle cultivation system according to claim 1, wherein the backwater treatment tank comprises a backwater filter sieve arranged at the lower end of the outlet of the purified water backwater pipe, and a backwater pump arranged in the bottom of the backwater treatment tank, the backwater pump pumps the filtered tank water back into the cultivation tank through a backwater pipe, and the backwater pipe is provided with an ultraviolet sterilization device.
8. The ecological cycle growing system of any one of claims 1 to 7, wherein the valves used in the pipes of the system are either manual valves or valves controlled by a P L C control module.
9. A cultivation method of an ecological cycle cultivation system is characterized by comprising the following steps:
⑴ feeding fodder into the culture pond;
⑵ after the first set time, the water pump is started to provide rotational flow to the culture pond, so that the water in the culture pond is rotated to form a vortex, the water level in the culture pond is higher than the control water level, the water higher than the control water level flows out through the liquid level control pipe, at this time, the discharge valve of the pipeline component is opened, the residual excrement is collected to the pipeline component arranged at the center of the culture pond, and then flows into the sewage collection treatment pond through the pipeline component;
⑶ opening a sewage pump and an ozone supply device, pumping sewage mixed with residual excrement into a sewage sterilization tank through a main water suction port, performing mixed aeration sterilization in an ejector, impacting a sewage impact cone from top to bottom to perform scattering treatment, and enabling the treated sewage to flow out of a planting water tank from a water outlet of the sewage sterilization tank;
⑷ the sewage after the scattered aeration sterilization treatment flows into the planting water tank as liquid fertilizer, the original tank water is replaced to supplement the concentration of the liquid fertilizer in the tank water and is supplied to the roots of the plants planted on the hydroponic raft for absorption, the original tank water flows into the water return tank after passing through the labyrinth path arranged in the planting water tank, and the tank water is filtered by the water return filter screen and then pumped back to the culture tank to realize the ecological water circulation;
⑸ after the second set time, all valves are closed and the ecological water circulation is stopped.
10. The cultivation method of the ecological cycle cultivation system as claimed in claim 9, wherein when the cultivation pond is in the step ⑴ and the liquid level is higher than the liquid level of the liquid level control pipe, the sewage in the liquid level control pipe overflows until the liquid level of the cultivation pond is lower than the liquid level of the liquid level control pipe, and simultaneously the small-bore discharge valve of the liquid level control assembly is intermittently opened, and the sediment at the bottom of the liquid level control pipe is pushed out of the liquid level control valve under the action of the small-bore discharge valve, so as to prevent the bottom of the liquid level control pipe from being blocked.
11. The cultivation method of an ecological cycle cultivation system as claimed in claim 9, wherein when the particles of the sediments after the scattering treatment in the step ⑵ are too large and settle on the bottom of the tank body, the sewage pump sucks the sediments in the sewage sterilization tank into the gas-liquid mixing pipe again through the auxiliary water suction hole for secondary scattering.
12. The cultivation method of the ecological cycle cultivation system according to claim 9, wherein the row of hydroponic rafts on the cultivation water tank is arranged according to the vegetable cultivation time on the hydroponic rafts, and the vegetable seed cultivation time on the hydroponic raft far away from the water inlet and outlet of the cultivation water tank is longest;
when the vegetables on the side, far away from the water inlet and the water outlet, of the planting water tank are ripe, the ripe hydroponic raft is moved away from the planting water tank, the tank water circulation pump is opened, the direction of water flow in the planting water tank is changed, the hydroponic raft is pushed to move towards the side, far away from the water inlet and the water outlet, the space generated by the moved hydroponic raft is filled, and the moved hydroponic raft is reaped and sowed again, and then is placed back into the planting water tank from the side, close to the water inlet and.
13. A sewage collecting and treating pool for an ecological cycle cultivation system is characterized by comprising a sewage inlet, a sewage sterilizing tank, a liquid level control assembly and a liquid level control assembly, wherein the pipeline assembly penetrates through the sewage inlet to enter the sewage collecting and treating pool, the sewage sterilizing tank is installed in the sewage collecting and treating pool through a support frame fixedly arranged below a tank body, the liquid level control assembly is connected with an external pipeline through a first tee joint, the liquid level control assembly comprises a second tee joint, a discharge valve and a liquid level control pipe, the discharge valve and the liquid level control pipe are connected to the second tee joint, the first tee joint is connected with the second tee joint through a pipeline, and the liquid level control pipe is positioned in the sewage collecting and treating pool and used for controlling the liquid level of the external pool;
the sewage sterilization tank comprises a tank body, a sewage aeration ozone sterilization device, a water outlet and an exhaust hole, wherein the sewage aeration ozone sterilization device is arranged on a bottom plate of the tank body in a penetrating mode, the water outlet is arranged above the wall of the tank body, the exhaust hole is arranged on a top cover of the tank body in a penetrating mode, and the tank body sequentially comprises a top cover, a wall of the tank body and a bottom plate which are connected through a fixing element;
the sewage aeration ozone sterilization device comprises a sewage pump arranged at the center of a base plate in a penetrating mode, a gas-liquid mixing pipe connected with the sewage pump and a sewage impact cone arranged at the water outlet of the gas-liquid mixing pipe facing the right lower side, wherein the sewage pump is provided with a main water suction hole and an auxiliary water suction hole, the main water suction hole penetrates through the center of the base plate of a tank body and is used for pumping sewage in a sewage collection treatment tank, the auxiliary water suction hole is positioned in the tank body and is used for recovering sediments which are not scattered in the tank body, one end of the gas-liquid mixing pipe is connected with the water outlet of the sewage pump, the other end of the gas-liquid mixing pipe is perpendicularly downwards designed after turning for multiple times, the sewage pumped by the sewage pump is flushed to the sewage impact cone and is scattered to residual excrement in the sewage, an ejector is arranged at the water outlet of the gas-.
14. A planting water tank for an ecological cycle planting system is characterized in that the planting water tank is a labyrinth type water tank, a plurality of water ploughing rafts are densely distributed in each row of water channels of the planting water tank, a first water inlet of the planting water tank is connected with a water feeding pump, a first water outlet of the planting water tank is connected with a water return treatment pool through a tank water return pipe, a second water inlet of the planting water tank is connected with a second water outlet through a tank water circulating pipe, and a tank water circulating pump is arranged on the tank water circulating pipe and used for changing the flow direction of the water in the planting water tank;
the water cultivation raft arrangement on the planting water tank is arranged according to the planting time of plants on the water cultivation raft, and the planting time of vegetable seeds on the water cultivation raft far away from the water inlet and outlet ends of the planting water tank is longest.
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