CN216005527U

CN216005527U - Sewage treatment system

Info

Publication number: CN216005527U
Application number: CN202120823221.4U
Authority: CN
Inventors: 张梓翔; 杨伟麟; 梁俊朗; 杨子云; 周梓健; 杨子君; 杨钲聪
Original assignee: Guangzhou Haoli Tools Co ltd
Current assignee: Guangzhou Haoli Tools Co ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2022-03-11
Anticipated expiration: 2031-04-21

Abstract

The utility model provides a sewage treatment system, which comprises a rainwater diversion system and a sewage diversion system, wherein the rainwater diversion system and the sewage diversion system are respectively and independently arranged and are communicated with a municipal rainwater pipe network; the sewage diversion system comprises a primary sewage treatment system, a toilet sewage treatment system and a plant absorption system, wherein the toilet sewage treatment system and/or the plant absorption system are/is communicated with the primary sewage treatment system, water treated by the primary sewage treatment system is used for cleaning a toilet, the toilet sewage treatment system is communicated with the plant absorption system, and water treated by the toilet sewage treatment system is used for irrigating plants; the sewage treatment system can reduce or avoid sewage discharge.

Description

Sewage treatment system

Technical Field

The utility model relates to the field of sewage treatment, in particular to a sewage treatment system.

Background

Daily production of enterprises is often accompanied by the production of sewage and rainwater in plants (production and living). Wherein, the extensive and disordered discharge of the production and domestic sewage can increase the load and the cost of the subsequent sewage treatment. In the face of sewage and rainwater in a plant, the common treatment measures in the prior art are as follows: carry out dirty separation of rain through the pipeline, sewage emits into municipal sewage well head in the factory, and the rainwater emits into municipal rainwater pipe network.

At present, environmental production is a trend, a mainstream and a mandatory standard, and enterprises must execute the production. The rainwater is discharged nonresistively, so that the discharge amount of sewage in a factory is reduced, the production cost of an enterprise is reduced, the protection effect on the environment is enhanced, the national environmental protection production policy requirements are met, and the sustainable development requirement is met. There is therefore a need for a sewage treatment system that reduces or avoids sewage discharge.

SUMMERY OF THE UTILITY MODEL

Based on this, there is a need to provide a sewage treatment system that can reduce or avoid sewage discharge.

The utility model provides a sewage treatment system, which comprises a sewage diversion system, wherein the sewage diversion system comprises a primary sewage treatment system, a toilet sewage treatment system and a plant absorption system, the toilet sewage treatment system and/or the plant absorption system are/is communicated with the primary sewage treatment system, at least part of water treated by the primary sewage treatment system is used for cleaning a toilet, the toilet sewage treatment system is communicated with the plant absorption system, and sewage is absorbed and evaporated by plants in the plant absorption system.

As a further improvement to the above embodiment, the primary sewage treatment system includes a production sewage treatment tank and a production water type storage tank, the production sewage flows to the production sewage treatment tank by itself through a pipeline, and the water treated by the production sewage treatment tank is pumped into the production water type storage tank.

As a further improvement to the above embodiment, the produced water type reservoir is in communication with the toilet sewage treatment system, so that water in the produced water type reservoir can be used for toilet cleaning.

As a further improvement to the above embodiment, the toilet sewage treatment system includes a septic sewage tank, the plant absorption system includes a sewage absorption tank, the septic sewage tank is communicated with the sewage absorption tank through a pipeline, a water pump is arranged between the septic sewage tank and the sewage absorption tank, and water in the septic sewage tank is pumped into the sewage absorption tank through the water pump.

As a further improvement to the above embodiment, the primary sewage treatment system further comprises a catering sewage treatment tank and a catering sewage storage tank, wherein catering sewage automatically flows to the catering sewage treatment tank through a pipeline, and the catering sewage treatment tank is communicated with the catering sewage storage tank.

As a further improvement to the above embodiment, the restaurant sewage reservoir is communicated with the plant absorption system through a pipeline, the plant absorption system comprises a sewage absorption tank, the restaurant sewage reservoir is communicated with the sewage absorption tank through a pipeline, a water pump is arranged between the restaurant sewage reservoir and the sewage absorption tank, and water in the restaurant sewage reservoir is pumped into the sewage absorption tank through the water pump.

As a further improvement to the above embodiment, the plant absorption system includes a disinfection and deodorization overflow tank and a sewage absorption tank, the primary sewage treatment system and/or the toilet sewage treatment system is/are communicated with the disinfection and deodorization overflow tank, the disinfection and deodorization overflow tank is communicated with the sewage absorption tank, and water treated by the disinfection and deodorization overflow tank enters the sewage absorption tank.

As a further improvement of the above embodiment, the sewage absorption tank includes a plurality of pipe troughs, the pipe troughs are communicated with each other, the pipe troughs are connected with a circulating water pump, water in the pipe troughs flows through the circulating water pump to become running water, and the sewage absorption tank is used for planting aquatic plants.

As a further improvement to the above embodiment, the plant absorption system is disposed on the top of a building, and at least the top of the sewage absorption tank is provided with a rain shelter to prevent rainwater from merging with sewage.

As a further improvement to the above embodiment, the top of the rain shelter is provided with a solar photovoltaic panel, the sewage treatment system comprises a plurality of electric appliances, and the solar photovoltaic panel is electrically connected with the electric appliances.

The utility model also provides a sewage treatment method, which comprises the following steps:

collecting sewage and treating the sewage;

the treated sewage is used for cleaning toilets or irrigating plants;

and treating the sewage formed by cleaning the toilet again, wherein the treated toilet sewage is used for irrigating plants.

As a further improvement to the above embodiment, the primary sewage comprises production sewage and catering sewage, the production sewage is used for toilet cleaning after being treated, and the catering sewage is directly used for watering plants after being treated.

As a further improvement to the above embodiment, the treated wastewater is pumped to the top of the building for watering the plants on the top of the building.

As a further improvement to the above embodiment, a rain shelter is arranged at the top of the building to prevent rainwater from falling into sewage, a solar photovoltaic panel is arranged at the top of the rain shelter, the sewage treatment system comprises a plurality of electric appliances, and the solar photovoltaic panel is electrically connected with the electric appliances.

The sewage treatment system disclosed by the utility model can be used for treating sewage and pumping the treated sewage to the top of a building for cultivating plants, so that the sewage is evaporated at the top of the building, and the sewage discharge can be greatly reduced or avoided.

Drawings

The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular description of preferred embodiments of the utility model, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the utility model.

FIG. 1 is a schematic view showing the construction of a sewage treatment system according to a preferred embodiment of the present invention;

FIG. 2 is a schematic view of the structure of a plant uptake system according to a preferred embodiment of the present invention;

FIG. 3 is a flow chart of a sewage treatment method according to a preferred embodiment of the present invention;

FIG. 4 is a layout diagram of the sewage treatment system designed for the experimental example;

fig. 5 is an enlarged view of a portion a in fig. 4.

In the figure: 1. a disinfection and deodorization overflow tank; 11. an overflow sump inlet; 12. an overflow port; 2. a sewage absorption tank; 21. a pipe groove; 22. a water circulating pump; 23. a water pipe; 3. an ozone generator; 41. a pipeline for conveying the toilet sewage to a septic sewage tank; 42. a pipeline for conveying the production sewage to a production sewage pollution pond; 43. a pipeline for delivering the treated production sewage to a production water storage tank; 44. a pipeline for delivering the sewage to a sewage absorption tank; 10. a rainwater diversion system; 20. an oil-water separator; 30. a septic sewage tank.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 and 2, the present invention provides a sewage treatment system, which comprises a sewage diversion system, wherein the sewage diversion system comprises a primary sewage treatment system, a toilet sewage treatment system and a plant absorption system, the toilet sewage treatment system and/or the plant absorption system is communicated with the primary sewage treatment system, and sewage treated by the primary sewage treatment system can be used for toilet cleaning and can also be directly used for plant absorption. The water treated by the primary sewage treatment system is at least partially used for cleaning a toilet, the toilet sewage treatment system is communicated with the plant absorption system, the sewage is absorbed and evaporated by the plant in the plant absorption system, and the toilet sewage treatment system treats the toilet sewage and pumps the treated sewage to the plant absorption system. Specifically, the sewage comprises sewage for washing hands, cleaning ground, equipment and the like, and also comprises catering sewage and toilet cleaning sewage. The treated sewage can be injected into a culture pond for culturing aquatic plants and can also be used for irrigating plants such as vegetables and the like in a vegetable garden.

As a further improvement to the above embodiment, the sewage treatment system further comprises a rainwater diversion system 10, the rainwater diversion system 10 and the sewage diversion system are respectively and independently arranged, the rainwater diversion system 10 is communicated with the municipal rainwater pipe network, rainwater and sewage are diverted through the pipeline according to relevant laws, regulations and policies of national and government environmental protection production, and sewage and rainwater in the factory are respectively accessed into the municipal sewage well head and the municipal rainwater pipe network well head.

As a further improvement to the above embodiment, the primary sewage treatment system includes a production sewage treatment tank and a production water type storage tank, the production sewage flows automatically to the production sewage treatment tank through a pipeline, and water treated by the production sewage treatment tank is pumped into the production water type storage tank. Specifically, the production wastewater generally includes wastewater generated by washing hands, cleaning floors and equipment, and the production wastewater can be discharged to a production water type water storage tank after six-stage treatment in a production wastewater treatment tank. The methods for purifying sewage are many and mature, and the specific purification method and purification equipment can be selected according to the situation when in use, and are not described in detail herein.

As a further improvement to the above embodiment, the produced water type reservoir is communicated with a toilet sewage treatment system, so that the water in the produced water type reservoir can be used for toilet cleaning. The purified production sewage is reused, and water sources are saved.

As a further improvement to the above embodiment, the toilet sewage treatment system comprises a septic sewage tank, the plant absorption system comprises a sewage absorption tank, the septic sewage tank is communicated with the sewage absorption tank through a pipeline, a water pump is arranged between the septic sewage tank and the sewage absorption tank, and water in the septic sewage tank is pumped into the sewage absorption tank through the water pump. Specifically, be provided with water pump and level sensor in the septic sewage tank, after the water level reached and predetermine the water level, the water pump was automatic to be opened, and the sewage pump after will handling is sent to in the sewage absorption pond, realizes automated processing, under the normal operating condition, need not artificial intervention. The toilet sewage is subjected to multistage sedimentation in the septic sewage tank and then used for irrigating plants, and the plants absorb, evaporate and discharge the sewage into the atmosphere, so that the aim of reducing or avoiding sewage discharge is fulfilled. The technology that the septic tank carries out precipitation purification treatment to sanitary sewage is very mature, and equipment can be bought on the market, and during the use, can select different equipment to deposit and purify according to actual demand, sanitary sewage flows through 3-8 septic tanks respectively in the septic tank, generally can adopt 15-25 level to deposit.

As a further improvement to the above embodiment, the primary sewage treatment system further comprises a restaurant sewage treatment tank 30 and a restaurant sewage storage tank, wherein restaurant sewage automatically flows to the restaurant sewage treatment tank through a pipeline, and the restaurant sewage treatment tank is communicated with the restaurant sewage storage tank. The restaurant sewage automatically flows through the oil-water separator 20 to separate oil and water, and then is collected to the restaurant sewage treatment tank. The restaurant sewage after oil-water separation is settled by a 6-stage sewage tank, then is pumped to a restaurant sewage storage tank, and is secondarily used for planting water in a vegetable garden or flushing a toilet and the like. The restaurant sewage is subjected to multi-stage purification treatment in the restaurant sewage treatment tank, then is discharged into the restaurant sewage storage tank, and is generally subjected to 4-8-stage purification.

As the further improvement to the embodiment, the catering sewage reservoir is communicated with the plant absorption system through a pipeline, the plant absorption system comprises a sewage absorption pool, the catering sewage reservoir is communicated with the sewage absorption pool through a pipeline, a water pump is arranged between the catering sewage reservoir and the sewage absorption pool, and water in the catering sewage reservoir is pumped into the sewage absorption pool through the water pump. Plants are planted in the plant absorption tank, so that the environment can be beautified, and sewage in the plant absorption tank can be absorbed and discharged into the atmosphere. For example, the water hyacinth is planted, has strong water absorption, absorbs sewage, converts nutrients into the sewage through photosynthesis, and is green and pollution-free to absorb the sewage for the growth of the water hyacinth, so that the sewage can be treated in a green, environment-friendly and sustainable development manner. It should be noted that, water hyacinth is generally suitable for the environment with the temperature of 3 ℃ and above, and if the temperature is below 3 ℃, a greenhouse needs to be built. Of course, if plants suitable for production in cold climates are grown, the environment in which the system is suitable may vary accordingly.

As a further improvement of the above embodiment, the plant absorption system comprises a disinfection and deodorization overflow tank 1 and a sewage absorption tank, the primary sewage treatment system and/or the toilet sewage treatment system is communicated with the overflow tank inlet 11, the disinfection and deodorization overflow tank 1 is communicated with the sewage absorption tank 2, and water treated by the disinfection and deodorization overflow tank 1 enters the sewage absorption tank 2. Specifically, the overflow port of the disinfecting and deodorizing overflow tank 1 is provided at a height generally ranging from 1/3 to 2/3, and when the water level in the disinfecting and deodorizing overflow tank 1 reaches the overflow port 12, the water in the disinfecting and deodorizing overflow tank 1 automatically flows to the sewage absorbing tank 2. Further, sewage absorption pond 2 sets up two disinfection deodorization overflows 1, and the lavatory sewage after subsiding passes through circulating water pump 22 and gets into in disinfection deodorization overflow 1 to through ozone disinfection deodorization in disinfection deodorization overflow 1, sewage reaches in disinfection deodorization overflow 1 and overflows to sewage absorption pond 2 automatically after setting for the water level in. Specifically, the disinfection and deodorization overflow tank 1 is disinfected and deodorized using ozone, which is generated by the ozone generator 3 and is input into the disinfection and deodorization overflow tank 1.

As a further improvement to the above embodiment, the sewage absorption tank 2 further includes a plurality of pipe grooves 21, and the plurality of pipe grooves 21 are communicated with each other, which includes two cases: two or more tube slots 21 are communicated with each other, or all tube slots 21 are communicated with each other, and both cases fall within the scope of the present application. The pipe groove 21 is also connected with a circulating water pump 22, water in the pipe groove flows through the circulating water pump 22 to be changed into running water, and the sewage absorption tank is used for planting aquatic plants. Furthermore, the plant absorption system is vertically and horizontally distributed on the roof of the factory building through pipe grooves 21, the pipe grooves are communicated with each other through a circulating water pipe 23, a circulating water pump 22 is arranged, sewage flows in the pipe grooves 21 through the water pump to form dynamic running water, and the oxygen content of the water body is kept. The water inlet setting position of chase 21 is higher than the chase delivery port, and generally, the water inlet setting of chase 21 is on upper portion, and the delivery port setting of chase 21 is in the bottom, avoids because the motor idle running that the water level crossed low and lead to.

As a further improvement to the above embodiment, the plant absorption system is disposed on the top of the building, and at least the top of the sewage absorption tank is provided with a rain shelter to prevent the rainwater from being merged with the sewage, the rain shelter being a part of the rainwater diversion system for diverting the rainwater and the sewage. Further, the top of the rain shelter is provided with a solar photovoltaic panel, the sewage treatment system comprises a plurality of electric appliances, and the solar photovoltaic panel is electrically connected with the electric appliances. The solar photovoltaic panel has the following functions: 1. the solar energy is utilized for power generation, the main power supply plant absorbs the power consumption of each electronic element of the system, and the surplus power is used for the power consumption of enterprise production; 2. the solar photovoltaic board shed plays a role in keeping off rainwater to the plant absorption tank, can avoid mixing sewage with rainwater in rainy days, increases unnecessary sewage absorption capacity, and strictly controls a rainwater and sewage separation principle.

As a further improvement to the above embodiment, the sewage treatment system is also in communication with a municipal sewage network. Further, one or more of a sewage absorption tank, a catering sewage storage tank, a septic sewage tank and the like are communicated with a municipal sewage pipe network for standby. When the sewage treatment system breaks down or needs to be overhauled or the capacity of the sewage absorption pool for evaporating sewage is not enough to consume all sewage, the sewage can be discharged into a municipal sewage pipe network.

As the further improvement of the above embodiment, the septic sewage tank, the production sewage treatment tank and the catering sewage treatment tank are internally provided with water level sensors, and are all provided with water pumps for pumping sewage, the sewage is collected to reach a certain water level, the sensors in the sewage treatment tank act to trigger the electric water pumps, and the sewage is respectively pumped to the sewage absorption tank, the sanitary water storage tank and the catering sewage storage tank.

Referring to fig. 3, the present invention also provides a sewage treatment method, comprising the steps of:

collecting sewage and treating the sewage;

the treated sewage is used for cleaning toilets or irrigating plants;

As a further improvement to the above embodiment, the primary sewage comprises production sewage and catering sewage, the production sewage is used for toilet cleaning after being treated, and the catering sewage is directly used for irrigating plants after being treated.

With rainwater, sewage reposition of redundant personnel, the rainwater emits into municipal rainwater pipe network to collect sewage alone, avoid rainwater and sewage to mix, increase sewage treatment's volume and degree of difficulty.

As a further improvement to the above embodiment, the treated wastewater is pumped to the top of the building for watering the plants on the top of the building. Specifically, the treated sewage is pumped to the top of a building by using a water pump, and the sewage is injected into a water tank for cultivating aquatic plants.

As the further improvement to the embodiment, the rain shelter is arranged at the top of the building to prevent rainwater from falling into sewage, the solar photovoltaic panel is arranged at the top of the rain shelter, the sewage treatment system comprises a plurality of electric appliances, and the solar photovoltaic panel is electrically connected with the electric appliances.

The sewage treatment method can treat the sewage by using the sewage treatment system.

The sewage absorption system is arranged above (on the top of) the building, so that the idle space of a factory building is fully utilized, and meanwhile, the double interlayers of the sewage absorption water tank and the solar photovoltaic panel are utilized for heat insulation, so that the effect of reducing the temperature of the building is remarkable, and especially the effect in summer is obvious. The sewage treatment system can be used in factories, can also be used in places such as gas stations, frontier areas, offshore islands, large ships and the like, and can also be used in villages and living districts. Is particularly suitable for places without sewage discharge systems.

Experimental example:

referring to fig. 4-5, the system is used for carrying out an application experiment inside Hao power tool Limited (Hao power tool for short), the application experiment is carried out under the condition of keeping the outside secret, the system is used for treating sewage generated in the Hao power tool, and water hyacinth is selected for planted plants.

In the interior experiment of the Hao Li tool, please refer to fig. 4 and 5 for the layout of the sewage treatment system, wherein the pipelines in fig. 5 are a pipeline 41 for delivering toilet sewage to a septic sewage tank, a pipeline 42 for delivering production sewage to a production sewage treatment tank, a pipeline 43 for delivering treated production sewage to a production water storage tank and a pipeline 44 for delivering sewage to a sewage absorption tank from top to bottom in sequence.

During the experiment, the area of the planted water hyacinth is about 500 square meters, and the daily sewage treatment capacity of the water hyacinth of 500 square meters is about 4.5 t.

In this experiment, the wastewater included: production sewage (sewage generated by washing hands, ground and equipment), catering sewage, toilet sewage and the like.

Firstly, collecting and classifying sewage:

the production sewage automatically flows through a pipeline by using a physical height difference principle, the hand basin is in a positive elevation, the sewage decontamination tank is in a negative elevation, the production sewage automatically flows to the production sewage decontamination tank, and in the experiment, the production sewage is subjected to 6-level sedimentation;

in the experimental process, the phosphorus-free environment-friendly detergent is used, and the catering sewage is collected in a centralized manner in the oil-water separator and then subjected to 6-level sedimentation in the experiment by utilizing the height difference principle.

Toilet sewage is led to by the same utilization altitude difference principle, and the lavatory is positive elevation, and septic tank is negative elevation, and toilet sewage flows automatically and collects to septic tank, and in this experiment, toilet sewage flows through 5 septic tanks respectively, carries out 20 grades of subsides in septic tank.

Secondly, recycling classified sewage: according to the sewage treatment system and the sewage treatment method, sewage is reused.

Production sewage: the production sewage uses the pipeline, flows in the production sewage decontamination tank automatically in a unified way, is settled by the decontamination tank 6 and then is pumped to the production water storage tank, and the settled production sewage can be used for flushing the four toilets and fifteen toilets in the whole plant.

Restaurant sewage: the restaurant sewage flows through the oil-water separator automatically to separate oil from water, and then is collected to the restaurant sewage treatment tank 30. The restaurant sewage after oil-water separation is settled by the 6-level sewage tank, and then is pumped into a restaurant sewage storage tank for secondary use for planting water in a vegetable garden or flushing a toilet or for culturing water hyacinth.

The secondary utilization of the production sewage and the catering sewage not only obviously reduces the water consumption of enterprises and the production cost of the enterprises, but also plays an effective role in protecting and promoting the sustainable development of the water environment.

Third, automatic sewage diversion system

In the experiment, the water outlets of the production sewage and the catering sewage are in positive elevation, the production sewage treatment tank and the catering sewage treatment tank are pre-embedded below the ground, and the elevation difference between the production sewage and the catering sewage treatment tank can enable the production sewage and the catering sewage to automatically flow to the production sewage treatment tank and the catering sewage treatment tank respectively.

The four toilets are arranged at positive elevations, the septic sewage tank is pre-buried below the ground, and the height difference between the septic sewage tank and the septic sewage tank is utilized to automatically collect the toilet sewage into the septic tank and the septic tank.

Be equipped with level sensor in septic sewage pond, production sewage septic tank, the food and beverage sewage septic tank, sewage is collected and is reached certain water level, and the sensor effect triggers electric water pump in the septic tank, with sewage pump sending respectively to sewage absorption pond, sanitary class water class tank, food and beverage sewage class tank.

The height of the produced water storage tank and the catering sewage storage tank is higher than that of three toilets (workshops and office buildings) and vegetable gardens. Through the height difference, the sewage collected after sedimentation is used for flushing toilets and irrigating vegetable gardens by flowing for the second time.

The automatic sewage flow distribution system realizes automatic sewage flow distribution, collection and secondary utilization with low energy consumption and artificial intelligence by setting the height difference of a sewage inlet and a sewage outlet, automatically controlling the electric water pump by the water level sensor and utilizing a pipeline conveying carrier.

The experimental result, the Hao Li instrument has used this sewage treatment system 6 more months in succession, before using this sewage treatment system, the Hao Li instrument water consumption, sewage discharge amount are about 4t every day, use this system after the water consumption reduce 30-40%, sewage zero release.

After the sewage treatment system is used, the water consumption is obviously less, and the sewage achieves the zero discharge effect. The water consumption cost is reduced, the sewage treatment cost is directly zero, the problem of sewage treatment of enterprises is fundamentally solved, and the method has profound significance for saving water resources and protecting and sustainably developing water environment.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above embodiments only express the specific embodiments of the utility model, and the description thereof is more specific and detailed, but not so as to limit the scope of the patent of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A sewage treatment system is characterized by comprising a sewage diversion system, wherein the sewage diversion system comprises a primary sewage treatment system, a toilet sewage treatment system and a plant absorption system, the toilet sewage treatment system and/or the plant absorption system are/is communicated with the primary sewage treatment system, water treated by the primary sewage treatment system is at least partially used for toilet cleaning, the toilet sewage treatment system is communicated with the plant absorption system, and sewage is absorbed and evaporated by plants in the plant absorption system.

2. The wastewater treatment system of claim 1, wherein the primary wastewater treatment system comprises a production wastewater treatment tank to which production wastewater flows automatically through a pipeline, and a production water type storage tank to which water treated by the production wastewater treatment tank is pumped.

3. The wastewater treatment system of claim 2, wherein the production water reservoir is in communication with the toilet wastewater treatment system such that water in the production water reservoir is used for toilet cleaning.

4. The sewage treatment system of claim 3, wherein the toilet sewage treatment system comprises a septic tank, the plant absorption system comprises a sewage absorption tank, the septic tank is communicated with the sewage absorption tank through a pipeline, a water pump is arranged between the septic tank and the sewage absorption tank, and water in the septic tank is pumped into the sewage absorption tank through the water pump.

5. The wastewater treatment system of claim 2, wherein the primary wastewater treatment system further comprises a restaurant wastewater treatment tank and a restaurant wastewater storage tank, wherein restaurant wastewater flows to the restaurant wastewater treatment tank by a pipeline, and the restaurant wastewater treatment tank is communicated with the restaurant wastewater storage tank.

6. The sewage treatment system of claim 5, wherein the restaurant sewage storage tank is communicated with the plant absorption system through a pipeline, the plant absorption system comprises a sewage absorption tank, the restaurant sewage storage tank is communicated with the sewage absorption tank through a pipeline, a water pump is arranged between the restaurant sewage storage tank and the sewage absorption tank, and water in the restaurant sewage storage tank is pumped into the sewage absorption tank through the water pump.

7. The sewage treatment system of claim 1, wherein the plant absorption system comprises a disinfection and deodorization overflow tank and a sewage absorption tank, the primary sewage treatment system and/or the toilet sewage treatment system is communicated with the disinfection and deodorization overflow tank, the disinfection and deodorization overflow tank is communicated with the sewage absorption tank, and water treated by the disinfection and deodorization overflow tank enters the sewage absorption tank.

8. The sewage treatment system of claim 7, wherein the sewage absorption tank comprises a plurality of pipe troughs, the pipe troughs are communicated with each other, a circulating water pump is connected to the pipe troughs, water in the pipe troughs flows through the circulating water pump to form running water, and the sewage absorption tank is used for planting aquatic plants.

9. The wastewater treatment system according to claim 7, wherein the plant absorption system is disposed on the top of a building, and at least the top of the wastewater absorption tank is provided with a rain shelter to prevent rainwater from merging with wastewater.

10. The wastewater treatment system according to claim 9, wherein a solar photovoltaic panel is disposed on the top of the rain shelter, and the wastewater treatment system comprises a plurality of electrical appliances, and the solar photovoltaic panel is electrically connected to the plurality of electrical appliances.