CN210419577U - Resident domestic sewage recycling apparatus based on PLC technology - Google Patents

Abstract

The utility model discloses a sewage recovery of family recycles device in environmental protection and energy saving technical field, including sewage collecting pipe network, clean water reservoir, high-order water tower, solar cell, PLC subassembly. The sewage collecting pipe network comprises a sewage pipe and a rainwater pipe, the sewage pipe is connected with a kitchen sewer, a washing machine sewer and each non-flushing toilet sewer floor drain, the rainwater pipe is connected with a roof rainwater sewer, and the rainwater pipe is converged with the sewage pipe before entering the clean water tank. The water purifying tank is characterized in that the physical filtering part is sequentially provided with a filter screen, quartz sand and filter cotton; the chemical precipitation part is provided with an automatic medicine feeding port, and the bottom of the chemical precipitation part is provided with an automatic ejecting precipitation plate; the ultraviolet disinfection part adopts immersion type ultraviolet disinfection. The water after the purification work is pumped to the high-level water tank on the top of the building by the water pump at the bottom of the water purification tank, the toilet flushing and other works are completed by utilizing the gravitational potential energy of the water, the solar cell on the top of the building generates electric energy to be used by the water supply pump and the PLC, and the whole set of system is controlled by the PLC component to automatically operate.

Description

Resident domestic sewage recycling apparatus based on PLC technology

Technical Field

The invention relates to the field of water treatment, in particular to a domestic sewage treatment device.

Background

China is a water-deficient country, the water resource utilization mode is extensive, the water utilization efficiency is not high, the per-capita water resource occupation is less than 1/4 in the world, the China is 109 th in the world, and the China is listed as one of 13 water-deficient countries by united countries. The water consumption for bathing, washing clothes, sanitation and the like is about 218 liters per person in China every day, and the discharge amount of domestic sewage in China is up to 15.80 hundred million tons every year.

The domestic sewage has the characteristics of small pollution degree, large discharge amount and easy treatment. The domestic sewage treatment device provided in the market is usually arranged indoors, and has the defects of small treatment capacity, low treatment degree, indoor space occupation and the like.

SUMMERY OF THE UTILITY MODEL

The invention aims to provide a PLC (programmable logic controller) technology-based resident domestic sewage recycling device which has the advantages of large treatment capacity, high treatment efficiency, high automation degree, no indoor space occupation and the like.

The invention adopts the following technical scheme for realizing the purpose of the invention:

the utility model provides a resident domestic sewage retrieves and recycles device based on PLC technique, this set of product mainly by sewage collection pipe network part, clean water basin, high-order water tower, solar cell and Programmable Logic Controller (PLC). The sewage collecting pipe network comprises a sewage pipe and a rainwater pipe, the sewage pipe is connected with an indoor bathtub water outlet of each household, a kitchen sewer, a washing machine sewer and sewer drains except a closestool sewer, the rainwater pipe is connected with a roof rainwater sewer, and the sewage pipe and the rainwater pipe are converged at the upper part of the clean water tank and are connected with the clean water tank. The physical filtering part of the water purifying tank consists of a screen, quartz sand and filter cotton in sequence, the screen, the quartz sand and the filter cotton are arranged into an integral detachable device, the upper part of the physical filtering part is provided with a port slightly larger than a sewage pipe, the lower part of the physical filtering part is provided with a port slightly smaller than a water inlet of the chemical precipitation part, sealing rings are arranged at the upper and lower ports, two waterproof flat plates are arranged in parallel at a drug feeding port at the upper part of the chemical precipitation part and can be controlled to be opened and closed respectively by a PLC (programmable logic controller) controller so as to carry out automatic drug feeding, a waterproof flat plate and a flat plate with a water permeable hole are arranged in parallel at the bottom of the settling tank, the waterproof flat plate is inserted for collecting precipitates when the precipitation work is carried out, the pressure sensor is arranged on the waterproof flat plate, and when the precipitates on the, when the water-permeable flat plate is popped up, the water-impermeable flat plate is automatically inserted to prevent water from seeping out of the tank body, and the water-impermeable flat plate is inserted after the sediment on the water-permeable flat plate is cleaned. The chemical precipitation part is followed by an ultraviolet sterilization device, and the immersion type ultraviolet sterilization is adopted, namely an ultraviolet lamp is placed in water, and water flows around the ultraviolet lamp for sterilization. Domestic sewage sequentially passes through the three steps of physical filtration, chemical precipitation and ultraviolet sterilization of the clean water tank, reaches the standard of reutilization, and is pumped out of the clean water tank through a water pump. The purified water temporarily stores in a high-level water tower on the roof, and can be used for flushing toilets or greening by residents, wherein the water tower is sealed and non-transparent, so that the microorganism propagation in the water tank can be prevented; the electric energy generated by the solar energy on the roof can be used by the device, and the whole set of device is controlled by a logic controller (PLC), so that various instructions can be efficiently and automatically completed.

Preferably, the pipe network is connected with the indoor bathtub water outlet, the kitchen sewer, the washing machine sewer and the sewer floor drains so as to separate domestic sewage from toilet flushing water.

Preferably, the filtering part of the water purifying tank, the filtering net, the quartz sand and the filter cotton, the screen, the quartz sand and the filter cotton are an integral detachable device, and the device is convenient to clean.

Preferably, the chemical precipitation device part provided by the invention is provided with an automatic dosing port and an automatic pop-up screen, when the sediment on the water-permeable flat plate is accumulated to a certain amount, the PLC control system controls the water-permeable flat plate to pop up, when the water-permeable flat plate is popped up, the water-impermeable flat plate is automatically inserted into the slot, and after the sediment on the water-permeable flat plate is cleaned, the water-impermeable flat plate is inserted into the slot.

Preferably, the ultraviolet sterilization device provided by the invention adopts an immersion type ultraviolet sterilization mode, the ultraviolet lamp is placed in water, water flows around the ultraviolet lamp for sterilization, and meanwhile, the wall of the water purification tank is polished to reflect ultraviolet rays, so that the working efficiency is improved.

Compared with the prior art, the invention and the utility model have the advantages that: firstly, the method comprises the following steps: the product integrates and centrally treats domestic sewage of the whole residential building through a sewage pipe network, and greatly improves the treatment efficiency compared with household treatment. Secondly, performing secondary drying; by utilizing the PLC technology, the programmable automatic operation is realized in the whole process, the manpower and material resources are greatly reduced, and the efficiency of the whole system is also improved. Thirdly, performing secondary filtration; the main part of the whole set of device is located underground, has no influence on the overall aesthetic property of the residential building, and basically avoids the influence of noise on the life of residents in the sewage treatment process. Fourthly: the device makes full use of solar energy resources and reduces the dependence of external energy sources.

Drawings

FIG. 1 is the overall structure diagram of the present invention

FIG. 2 is a concrete structure diagram of a water purifying tank

FIG. 1: 1-high level water tank, 2-high level water tank outlet pipe, 3-each sewer (except for toilet sewer), 4-clean water tank, 5-water pump, 6-solar cell, 7-sewage pipe, 8-rainwater pipe, 9-drug feeding port, 10-clean water tank outlet pipe, 11-urban sewer pipe, 12-toilet or urban greening water, 13-toilet sewer pipe, 14-sewage pipe interface, 15-filter screen, 16-quartz sand, 17-filter cotton, 18-seal ring, 19-sedimentation tank waterproof flat plate, 20-sedimentation tank waterproof flat plate, 21-ultraviolet lamp

Detailed Description

The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described present invention is only a part of the embodiments of the present invention, and not all embodiments. Based on the embodiments in the basic utility model, a person skilled in the art can obtain all other embodiments without creative technical labor, and all the embodiments belong to the protection scope of the present invention.

Referring to fig. 1, the utility model provides a technical solution, a resident domestic sewage recycling device based on PLC technology. Comprises a sewage pipe 7 and a rainwater pipe 8 which are used for connecting various sewer ports 3 (replaced by sewage modules in the figure) of each household except a closestool sewer port, the rainwater pipe 8 is merged into the sewage pipe 7 at the upper part of a clean water tank 4, the sewage pipe 7 is connected with an inlet of the clean water tank 4, a physical filtering part of the clean water tank consists of a filter screen 15, quartz sand 16 and filter cotton 17 in sequence, sealing rings 18 are arranged at the upper and lower interfaces of the filtering part, a medicine feeding port 9 is arranged at the upper part of a chemical precipitation part, a waterproof flat plate 19 and a permeable flat plate 20 are arranged at the bottom, a pressure sensor is arranged on the permeable flat plate 20, a built-in immersed ultraviolet lamp 21 is arranged at the bottom of the clean water tank, a water pump 5 is reserved at the bottom of the clean water tank, the top of a water outlet pipe 10 of the clean water tank is connected with a high-level water tank 1, a high-level water tank outlet pipe 2 is reserved at the bottom of, the whole set of equipment is powered by electric energy generated by the roof solar panel 6 preferentially. One specific application of the system is as follows: domestic sewage 3 (various sewage outlets are replaced by sewage modules in the figure) of vegetable washing, bathing, clothes washing and the like of each family flows to the sewage pipe 7 through the indoor sewage outlets, meanwhile, rainwater can also be converged to the sewage pipe 7 through the rainwater pipe 8, and the converged sewage directly flows to the water purification tank 4. Firstly, filtering solid particles with larger diameter, such as vegetable leaves, hair, cigarette ends and the like, from sewage by a primary filter screen 15, filtering solid particles with smaller particle size, such as small sandy soil, then, absorbing oil stain and other water-insoluble liquid in water by filter cotton 17, enabling the filtered water to enter a chemical precipitation part, automatically opening a dosing port 9 according to a PLC instruction, putting a chemical flocculant, inserting a water-permeable flat plate 20 into the chemical precipitation part, popping a water-impermeable flat plate 19 out, automatically popping a pressure sensor on the water-permeable flat plate 20 after sensing a certain amount of precipitate, inserting the water-impermeable flat plate 19 into the chemical precipitation part of a water purification tank, temporarily stopping working of the chemical precipitation part of the water purification tank, inserting the chemical precipitation part into a groove after the precipitate on the water-permeable flat plate is cleaned, popping the water-impermeable flat plate 19, continuing working of the precipitation tank, and enabling the filtered and precipitated, then the water is disinfected by ultraviolet rays to kill bacteria and parasites in the water, the treated water is pumped out of the clean water tank 4 by the water pump 5, wherein the power supply of the water pump 5 is preferentially provided by the roof solar cell 6 and stored on the high-level water tower 1, the water outlet pipe 2 of the high-level water tower is connected with a household water closet and a municipal greening water pipeline, and the water after flushing enters a city sewer through the sewer pipe 11 of the toilet and does not participate in the circulation.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (4)

1. The utility model provides a resident domestic sewage retrieves and recycles device based on PLC technique which characterized in that: the sewage pipe is connected with the water outlet of the indoor bathtub, the sewer of the kitchen, the sewer of the washing machine and each sewer floor drain, the rainwater pipe is connected with the rainwater sewer of the roof, the rainwater pipe is connected with the clean water tank after merging into the sewage pipe at the upper part of the clean water tank, the physical filtering part of the water purifying tank consists of a screen, quartz sand and filter cotton in sequence, the screen, the quartz sand and the filter cotton are integrated and detachable, the upper part of the physical filtering part is provided with a port slightly larger than a sewage pipe, the lower part of the physical filtering part is provided with a water outlet slightly smaller than a water inlet of the chemical precipitation part, sealing rings are arranged at the upper and lower joints, a medicine feeding port is arranged at the upper part of the chemical precipitation part, two waterproof flat plates are arranged at the medicine feeding port in parallel and can be controlled by a controller to be respectively switched on and off, so as to automatically dose, and a water-tight flat plate and a flat plate with water-permeable holes are also arranged at the bottom of the settling tank in parallel.

2. The PLC technology-based domestic sewage recycling device for residents according to claim 1, wherein: the filtering part of the clean water tank is detachably arranged, the upper part of the filtering part is provided with a connector slightly larger than the sewage pipe, the lower part of the filtering part is provided with a water outlet slightly smaller than the water inlet of the chemical precipitation part, and the connectors of the upper opening and the lower opening are respectively provided with a sealing ring.

3. The PLC technology-based domestic sewage recycling device for residents according to claim 1, wherein: the chemical precipitation part of the water purification tank has the chemical precipitation part with

Two water-tight flat plates are arranged on the row, and the respective switches can be controlled by a controller, so that the automatic dosing is carried out.

4. The PLC technology-based domestic sewage recycling device for residents according to claim 1, wherein: the ultraviolet disinfection part adopts immersion type ultraviolet disinfection, and the tank wall adopts polishing treatment.

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