Vehicle-mounted small-sized aquaculture wastewater treatment system

Abstract

The utility model relates to the technical field of mobile wastewater treatment, in particular to a vehicle-mounted small-sized aquaculture wastewater treatment system, which comprises a loading type mobile truck, a solar polar plate component arranged on the loading type mobile truck and an integrated wastewater treatment device, the integrated wastewater treatment device comprises a solid-liquid separation area, a filtrate storage area, a produced water storage area, a membrane biochemical area and a membrane system filtering area. The utility model aims to provide the vehicle-mounted small-sized aquaculture wastewater treatment system, an efficient, safe and cheap sewage treatment scheme is provided for a part of peasant households incapable of realizing effective wastewater treatment through a movable whole, and the application range is expanded.

Description

TECHNICAL FIELD

[0001] The utility model relates to mobile wastewater treatment technical field, concretely relates to a vehicle-mounted small scale aquaculture wastewater treatment system. BACKGROUND

[0002] In recent years, the development momentum of livestock and poultry breeding industry is rapid, has become the most active growth point and pillar industry in rural economy, has made contribution for promoting rural economic development, adjusting industrial structure and rural industry. Meanwhile, the pollution problem of breeding industry is increasingly prominent, and the serious environmental pollution also directly affects the sustainable development of regional economy. The pollution prevention and control work of livestock and poultry breeding industry has become an important part of rural environmental protection work and is related to the sustainable development of rural economy, and solving rural environmental problems has become an urgent and arduous task in the current rural economic and social development. There are large and small breeders in rural areas in China, and the breeding quantity is not equal, which brings economic benefits to the breeders, but also causes pollution to the environment. With the enhancement of people's environmental protection consciousness and the intensification of environmental protection rectification of environmental protection departments in China, these breeders also need to treat the breeding wastewater to meet the discharge standard. These breeders have limited scale, and the wastewater treatment equipment far exceeds their burden capacity. SUMMARY

[0003] In order to overcome the shortcomings and deficiencies in the prior art, the utility model aims at providing a vehicle-mounted small scale aquaculture wastewater treatment system, which provides an efficient, safe and cheap wastewater treatment scheme for some farmers who cannot realize effective wastewater treatment through a movable whole, and expands the application range.

[0004] The utility model is realized through the following technical schemes:

[0005] A vehicle-mounted small scale aquaculture wastewater treatment system, comprising a loading type mobile truck, a solar energy plate assembly arranged on the loading type mobile truck and an integrated wastewater treatment device, wherein the integrated wastewater treatment device comprises a solid-liquid separation zone, a filtrate storage zone, a water production storage zone, a membrane biochemical zone and a membrane system filtration zone.

[0006] The solid-liquid separation zone is used for separating solid and liquid in wastewater.

[0007] The filtrate storage zone is used for storing the liquid separated from the solid-liquid separation zone.

[0008] The membrane biochemical zone is used for treating and purifying the liquid in the filtrate storage zone, and the membrane system filtration zone is used for disinfecting the liquid purified in the membrane biochemical zone.

[0009] The water production storage zone is used for storing the liquid disinfected in the membrane system filtration zone.

[0010] The solid-liquid separation zone comprises a screw extrusion type solid-liquid separator and a cutting type submersible pump, the cutting type submersible pump is arranged on the vehicle body of the loading type mobile truck, and the water outlet of the cutting type submersible pump is connected with the water inlet of the screw extrusion type solid-liquid separator.

[0011] The membrane biochemical zone comprises a sewage tank and a flexible sheet flat type MBR membrane assembly, the filtrate storage zone is communicated with the sewage tank, the flexible sheet flat type MBR membrane assembly is arranged in the sewage tank and communicated with the membrane system filtration zone.

[0012] The membrane system filtration zone comprises an NF+RO double membrane filtration device and a membrane pressure pump.

[0013] The integrated wastewater treatment device further comprises a shell and a movable cover plate, the solid-liquid separation zone, the filtrate storage zone, the produced water storage zone, the membrane biochemical zone and the membrane system filtration zone are arranged in the shell, and the movable cover plate is arranged at the upper end of the shell.

[0014] The solar panel assembly comprises electrically connected solar panel square arrays, a battery pack, a charge-discharge controller and an AC power distribution cabinet.

[0015] The integrated wastewater treatment device further comprises a supporting equipment zone, the supporting equipment zone comprises an intelligent centralized control cabinet and an air compression system and a suction pump electrically connected with the intelligent centralized control cabinet.

[0016] The beneficial effects of the utility model are as follows:

[0017] The vehicle-mounted small-scale breeding wastewater treatment system is characterized in that the loading type mobile truck, the solar panel assembly and the integrated wastewater treatment device are arranged, the integrated integrated device is arranged on the vehicle body of the loading type mobile truck, the solar panel assembly is fixedly arranged at the top position of the integrated integrated device, forms a movable whole, expands the application range, and can be moved to a place where wastewater treatment is needed; the solar panel assembly can convert solar energy into electric energy to provide power, saves energy; the solid-liquid separation zone is arranged to separate solid wastes such as manure, so that the purpose of composting reuse is achieved; the membrane biochemical zone is arranged to treat and purify wastewater; the membrane system filtration zone is arranged to achieve the purpose of disinfection, reduces the use of medicaments, provides an efficient, safe and inexpensive wastewater treatment scheme for farmers who cannot effectively treat wastewater, expands the application range, is helpful to people's health, and ensures the healthy development of the breeding industry. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model is further described with the drawings, but the embodiment in the drawings does not constitute any limitation to the utility model, and other drawings can be obtained according to the following drawings without the premise of creative labor for the ordinary skill in the art.

[0019] Figure 1 It is the structural schematic diagram of the utility model.

[0020] Reference signs

[0021] Loading type mobile truck 1, solar plate assembly 2, solid-liquid separation zone 3, filtrate storage zone 4, water production storage zone 5, membrane biochemical zone 6, matching equipment zone 7, membrane system filtration zone 8, movable cover plate 9, cutting type submersible pump 10, screw extrusion type solid-liquid separator 11, flexible flat plate type MBR membrane assembly 12, negative pressure sensor 13, air compression system 14, suction pump 15, intelligent centralized control cabinet 16, NF+RO double membrane filtration device 17, membrane pressure pump 18. DETAILED DESCRIPTION

[0022] In order to make the above object, features and advantages of the utility model more apparent, below, specific embodiment of the utility model is described in detail in combination with the drawings. In the following description, a plurality of specific details are set forth in order to fully understand the utility model. But the utility model can be implemented in many other ways different from the description, and the person skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the following disclosed specific embodiments.

[0023] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation to the utility model.

[0024] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and should not be construed as implying or suggesting relative importance or an ordered ranking of the indicated technical features. Thus, features defined with "first", "second", "third" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise explicitly specified.

[0025] In recent years, the development of livestock and poultry breeding industry is rapid, which has become the most active growth point and pillar industry in rural economy, and has made contributions to promoting rural economic development, adjusting industrial structure and rural industry. At the same time, the pollution problem of breeding industry is increasingly prominent, and the serious environmental pollution also directly affects the sustainable development of regional economy. The pollution prevention and control of livestock and poultry breeding industry has become an important part of rural environmental protection work, which is related to the sustainable development of rural economy, and solving the rural environmental problems has become an urgent and arduous task in the current rural economic and social development. There are large and small breeders in rural areas in China, and the breeding quantity is different. While bringing economic benefits to the breeders, it also pollutes the environment. With the enhancement of people's environmental protection consciousness and the increase of environmental protection efforts of environmental protection departments in China, these breeders also need to treat the breeding wastewater to meet the discharge standard after treatment. These breeders have limited scale, and the sewage treatment equipment far exceeds their burden capacity.

[0026] To solve the above problems, the embodiment discloses a vehicle-mounted small-scale breeding wastewater treatment system, which has the structure as shown in the figure. Figure 1 The system includes a loading mobile truck 1, a solar panel assembly 2 installed on the loading mobile truck 1, and an integrated wastewater treatment device. The integrated wastewater treatment device includes a solid-liquid separation zone 3, a filtrate storage zone 4, a water production storage zone 5, a membrane biochemical zone 6, and a membrane system filtration zone 8.

[0027] The solid-liquid separation zone 3 is used for solid-liquid separation of wastewater.

[0028] The filtrate storage zone 4 is used for storing the liquid separated from the solid-liquid separation zone 3.

[0029] The membrane biochemical zone 6 is used for treating and purifying the liquid in the filtrate storage zone 4, and the membrane system filtration zone 8 is used for disinfecting the liquid purified by the membrane biochemical zone 6.

[0030] The water production storage zone 5 is used for storing the liquid disinfected by the membrane system filtration zone 8.

[0031] In the embodiment, different length flatbed trucks can be selected according to different processing scale, which is convenient and flexible; the solar plate assembly 2 is composed of a solar plate square array, a battery pack, a charge-discharge controller, an AC distribution cabinet and other equipment, and is a device system for directly converting solar energy into electric energy; under the light condition, the solar cell assembly generates a certain electromotive force, a solar cell square array is formed through series and parallel connection of the assembly, the square array voltage reaches the requirement of system input voltage, the electric energy converted from light energy is stored to maintain the equipment operation, and the energy saving purpose is achieved.

[0032] Specifically, the integrated wastewater treatment device further comprises a shell and a movable cover plate 9, the solid-liquid separation zone 3, the filtrate storage zone 4, the water production storage zone 5, the membrane biochemical zone 6 and the membrane system filtration zone 8 are all arranged in the shell, and the movable cover plate 9 is installed at the upper end of the shell. In the embodiment, the shell can be made of carbon steel, stainless steel or the like, can be modularly designed and mass-produced, is flexible to install, and the equipment in the device can be flexibly matched to meet different water quality, water quantity and discharge requirements.

[0033] Specifically, the solid-liquid separation zone 3 comprises a screw extrusion type solid-liquid separator 11 and a cutting type submersible pump 10, the cutting type submersible pump 10 is arranged on the vehicle body of the loading type mobile truck 1, and the water outlet of the cutting type submersible pump 10 is connected with the water inlet of the screw extrusion type solid-liquid separator 11. In the embodiment, the cutting type submersible pump 10 is provided with a steel ring hose, the lower end of the steel ring hose is connected with the outlet end of the cutting type submersible pump 10, and the upper end of the steel ring hose is connected with the water inlet of the screw extrusion type solid-liquid separator 11. In the embodiment, the screw extrusion type solid-liquid separator 11 mainly comprises a main machine, a screen, an extrusion auger, a vibration motor, a speed reducer, a counterweight and a discharging device, and its working process is as follows: the unfermented manure water is pumped into the main machine by the non-clogging pump, and the material is accelerated to fall under the action of the vibration motor, at this time, the extrusion auger pushes the manure water to the front of the machine body through power transmission, and continuously increases the pressure of the front edge, so as to force the water in the material to be squeezed out of the screen under the action of the side pressure belt filter, and flow out of the drain pipe; the work of the non-clogging pump is continuous, the material is continuously pumped into the main machine, the pressure of the front edge is continuously increased, and when it reaches a certain degree, the discharging port is opened and the extrusion port is squeezed out, so as to achieve the purpose of extruding the material; in order to control the speed and water content of the discharging, the counterweight under the main machine can be adjusted to achieve a satisfactory and appropriate discharging state. The use of the extrusion type solid-liquid separator has high automation level, low power consumption and is suitable for continuous operation. The key components are made of stainless steel, the whole machine is light in weight and small in size, is an ideal solid-liquid separation equipment for farms, and can greatly improve the solid-liquid separation and efficiency.

[0034] Specifically, the membrane biochemical zone 6 includes a sewage tank and a flexible flat plate MBR membrane assembly 12, the filtrate storage zone 4 is communicated with the sewage tank, and the flexible flat plate MBR membrane assembly 12 is arranged in the sewage tank and communicated with the membrane system filtration zone 8. In the embodiment, the flexible flat plate MBR membrane assembly 12 is horizontally installed in the sewage tank, and the flexible flat plate MBR membrane assembly 12 is reliably connected with the shell to prevent floating and swinging; the flexible flat plate MBR membrane assembly 12 is composed of a membrane stack body, a membrane frame, an aeration pipe, a water collecting pipe and the like, the membrane stack is composed of a rectangular flexible flat plate membrane, a sealing spacer ring, a central water collecting pipe and two side baffle plates; the membrane and the sealing spacer ring are sequentially penetrated on the central water collecting pipe, and then pressed and sealed by the two side baffle plates; the sewage is filtered by the membrane and then enters the grid in the middle of the membrane, and then is collected to the central water collecting pipe and discharged, and the activated sludge is blocked outside the membrane. The aperture of the membrane is 0.03-0.08 microns, which can filter out harmful substances such as bacteria and viruses, and can save the long-term operation cost caused by dosing and disinfection.

[0035] Specifically, the membrane system filtration zone 8 includes an NF+RO double membrane filtration device 17 and a membrane pressure pump 18. The NF+RO double membrane filtration device 17 of the embodiment is a double membrane system, which has the advantages of stable water production quality, even when the water quality is suddenly changed, the water quality can be ensured, the operation cost is greatly reduced, the working condition of the system is improved, the clarifier and the sand filter are replaced, the land occupation area is small, the system is simple and the like.

[0036] Specifically, the integrated wastewater treatment device further includes a supporting equipment zone 7, the supporting equipment zone 7 includes an intelligent centralized control cabinet 16, and an air compression system 14 and a suction pump 15 electrically connected with the intelligent centralized control cabinet 16, to realize centralized electrical control.

[0037] In summary, the vehicle-mounted small-scale aquaculture wastewater treatment system of the embodiment is integrally arranged on the vehicle body of the loading mobile truck 1, the solar panel assembly 2 is fixedly arranged at the top of the integrated device, and the integrated device constitutes a movable whole, so that the application range is expanded and the integrated device can be moved to a place where wastewater treatment is needed; the solar panel assembly 2 of the utility model can convert solar energy into electric energy to provide power and save energy; the solid such as manure is separated by the solid-liquid separation zone 3, so that the purpose of composting reuse is achieved; the wastewater is treated and purified by the membrane biochemical zone 6; the pressure in the water production pipe is monitored in real time by the negative pressure sensor 13, so that the safety performance is improved; the membrane system filtration zone 8 is arranged to achieve the disinfection purpose, so that the use of chemicals is reduced, an efficient, safe and inexpensive wastewater treatment scheme is provided for farmers who cannot effectively treat wastewater, the application range is expanded, the people's health is helped, and the healthy development of the aquaculture industry is ensured.

[0038] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the scope of protection of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the essence and scope of the technical solutions of the present application.

Claims

1. An on-vehicle small-scale aquaculture wastewater treatment system characterized by comprising: The application relates to a loading mobile truck, a solar panel assembly arranged on the loading mobile truck and an integrated wastewater treatment device, wherein the integrated wastewater treatment device comprises a solid-liquid separation zone, a filtrate storage zone, a product water storage zone, a membrane biochemical zone and a membrane system filtration zone. The solid-liquid separation zone is used for carrying out solid-liquid separation on wastewater. The filtrate storage zone is used for storing liquid separated by the solid-liquid separation zone. The membrane biochemical zone is used for treating and purifying liquid in the filtrate storage zone, and the membrane system filtration zone is used for disinfecting liquid purified by the membrane biochemical zone. The product water storage zone is used for storing liquid disinfected by the membrane system filtration zone.

2. The vehicle-mounted small-scale aquaculture wastewater treatment system according to claim 1, characterized in that, The solid-liquid separation zone comprises a screw extrusion type solid-liquid separator and a cutting type submersible pump, the cutting type submersible pump is arranged on a vehicle body of the loading mobile truck, and a water outlet of the cutting type submersible pump is connected with a water inlet of the screw extrusion type solid-liquid separator.

3. The vehicle-mounted small-scale aquaculture wastewater treatment system according to claim 1, characterized in that, The membrane biochemical zone comprises a sewage tank and a flexible flat plate type MBR membrane assembly, the filtrate storage zone is communicated with the sewage tank, the flexible flat plate type MBR membrane assembly is arranged in the sewage tank and is communicated with the membrane system filtration zone.

4. The vehicle-mounted small-scale aquaculture wastewater treatment system according to claim 1, characterized in that, The membrane system filtration zone comprises an NF+RO double-membrane filtration device and a membrane pressure pump.

5. The vehicle-mounted small-scale aquaculture wastewater treatment system according to claim 1, characterized in that, The integrated wastewater treatment device further comprises a shell and a movable cover plate, the solid-liquid separation zone, the filtrate storage zone, the product water storage zone, the membrane biochemical zone and the membrane system filtration zone are arranged in the shell, and the movable cover plate is arranged at an upper end of the shell.

6. The vehicle-mounted small-scale aquaculture wastewater treatment system according to claim 5, characterized in that, The solar panel assembly comprises electrically connected solar panel arrays, a battery pack, a charge-discharge controller and an AC power distribution cabinet.

7. The vehicle-mounted small-scale aquaculture wastewater treatment system according to claim 1, characterized in that, The integrated wastewater treatment device further comprises a matching equipment zone, the matching equipment zone comprises an intelligent centralized control cabinet and an air compression system and a suction pump which are electrically connected with the intelligent centralized control cabinet.

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