CN204952681U - Improved generation rubbish is washed and is swept automobile -used membrane separation device - Google Patents

Abstract

The utility model relates to an improved membrane separation device for a garbage washing and sweeping vehicle, which comprises a sewage tank (2), a membrane module (4) and a circulation pump (6). Built into the sewage tank (2), the bottom of the sewage tank (2) is provided with a water inlet (3), the water inlet (3) is connected to the water inlet pipe (5) of the circulation pump, and the water inlet pipe (5) of the circulation pump is connected to the circulation pump (6 ), the water outlet of the circulating pump (6) is connected to the circulating pump outlet pipe (11), the circulating pump outlet pipe (11) is connected to the water inlet port of the membrane device, and the other end of the membrane device is provided with a return port (9) membrane The component (4) is provided with a water production port (1), and multiple water production ports (1) are merged into the water production main pipe (7); compared with the prior art, the utility model realizes the circulation of sewage inside the membrane device, so that it is not easy to Pollution blocking, large membrane filtration flux, can also operate at low temperature in winter, good water quality, simple operation and maintenance, and low energy consumption.

Description

An improved membrane separation device for garbage washing and sweeping vehicles

[technical field]

The utility model relates to the technical field of garbage washing and sweeping vehicles, in particular to an improved membrane separation device for garbage washing and sweeping vehicles.

[Background technique]

With the progress of society and the improvement of people's living standards, people pay more and more attention to the urban living environment, a large number of sanitation and cleaning vehicles are put into use, and there are also more and more cleaning vehicles that can recycle the cleaned sewage to improve Utilization of sewage. While cleaning the road, the sanitation cleaning vehicle sucks the sewage back into the compartment, and after filtering, it is used to clean the road again, realizing the effective use of water resources.

Membrane separation technology is the most rapidly developed and most widely used separation technology in the past 40 years. Membrane separation is a physical process, the basic principle of which is to separate or concentrate solutes, impurities, solvents, etc. process. The membrane separation process is a dynamic filtration process. The separation is completed in a flowing state. The intercepted substances will accumulate on the surface of the membrane, and the filtration speed will gradually decay and gradually reach a balance. At this time, the filtration performance can be improved by cleaning the membrane. recovery.

For example, the utility model patent No. ZL201120381175.3 discloses a filter assembly, the filter assembly includes a filter unit and a pipe fitting, wherein the filter unit includes a water-permeable filter membrane assembly, the pipe fittings are arranged in the filter unit, and formed on the pipe wall The pores located in the filter unit, the sewage is filtered through the permeable filter membrane module to form purified water, and the purified water enters the pipe fittings through the pores. However, the device uses a negative pressure suction filter membrane, the flux is low, and the membrane module is easy to be fouled. During operation, the sewage needs to be pretreated first, and then the aeration at the bottom is used. The energy consumption is high and the system is complicated. Moreover, in winter and other low-temperature environments, the membrane module cannot work, and needs to be shut down for maintenance, and the maintenance operation is cumbersome.

[utility model content]

The purpose of this utility model is to solve the above-mentioned deficiencies and provide an improved membrane separation device for garbage washing and sweeping vehicles, which realizes the circulation of sewage inside the membrane device, so that it is not easy to be fouled, and the membrane filtration flux is large, and it can also be used at low temperatures in winter. It can be operated, the water quality is good, the operation and maintenance are simple, and the energy consumption is low.

In order to achieve the above-mentioned purpose, an improved membrane separation device for garbage washing and sweeping vehicles is designed, including sewage tank 2, membrane assembly 4, circulation pump inlet pipe 5, circulation pump outlet pipe 11 and circulation pump 6, and the membrane assembly 4 is provided with A plurality of membrane modules 4 are connected in series to form a membrane device, and the membrane device is built in the sewage tank 2, and the bottom of the sewage tank 2 is provided with a water inlet 3, and the water inlet 3 is connected to the water inlet pipe 5 of the circulating pump The other end of the circulation pump inlet pipe 5 is connected to the water inlet of the circulation pump 6, the water outlet of the circulation pump 6 is connected to the circulation pump outlet pipe 11, and the other end of the circulation pump outlet pipe 11 is connected to the inlet of the membrane device. Water port, the other end of the membrane device is provided with a return port 9, the return port 9 communicates with the sewage tank 2, and the membrane module 4 is provided with a water production port 1 for the membrane filtered water to pass through , a plurality of the water production ports 1 are merged into the water production main pipe 7, and the other end of the water production main pipe 7 is connected to the clean water tank of the sweeper.

The membrane module 4 is a tubular membrane module, and a plurality of the tubular membrane modules are connected in series by means of connecting elbows 10 .

A plurality of said tubular membrane modules constitute a cross-flow tubular membrane structure.

The membrane module 4 is fixed on the membrane frame 8 , the bottom of the membrane frame 8 is equipped with a pulley, and the membrane frame 8 is placed in the sewage tank 2 .

The separation pore diameter of the membrane used in the membrane module 4 is 0.01-1um.

The separation pore diameter of the membrane used in the membrane module 4 is 0.05um.

The surface velocity of the tubular membrane used in the membrane module 4 is 2-5m/s.

The membrane material used in the membrane module 4 is an organic material, and the organic material includes PVDF, PE, PVC, PP, and PS.

The membrane material used in the membrane module 4 is an inorganic material, and the inorganic material includes ceramics and stainless steel.

Compared with the existing sanitation washing and sweeping car membrane filtration technology, the utility model has the following advantages:

(1) The structure is novel and simple, the operation energy consumption is low, and the maintenance is simple;

(2) The membrane is resistant to pollution, and the sewage does not need to be pretreated;

(3) The circulating pump operates under positive pressure, with large filtration flux and low investment;

(4) High membrane filtration precision and good water quality;

(5) There is no risk of wire breakage, and it can operate normally in low temperature environment in winter;

In summary: the utility model overcomes the defects of the prior art such as complex system, easy fouling, low membrane filtration flux, inability to operate at low temperature in winter, high risk of broken wires, and poor water quality, and realizes the sewage in the membrane device. Internal circulation, so that it is not easy to foul and block, the membrane filtration flux is large, it can also operate at low temperature in winter, the water quality is good, the operation and maintenance are simple, and the energy consumption is low. It provides a new type of membrane filtration device for sanitation cleaning vehicles.

[Description of drawings]

Fig. 1 is a structural representation of the utility model;

Fig. 2 is a schematic diagram of the external structure of the utility model;

In the figure: 1, water production port 2, sewage tank 3, water inlet 4, membrane module 5, circulation pump inlet pipe 6, circulation pump 7, water production main pipe 8, membrane frame 9, return water port 10, connecting elbow 11, Circulation pump outlet pipe.

[detailed description]

Below in conjunction with accompanying drawing, the utility model is further described as follows:

As shown in the drawings, the utility model includes: a sewage tank 2, a membrane module 4, a circulation pump inlet pipe 5, a circulation pump outlet pipe 11 and a circulation pump 6. There are multiple membrane modules 4, and a plurality of membrane modules 4 are connected in series. Membrane device, the membrane device is built in the sewage tank 2, the bottom of the sewage tank 2 is provided with a water inlet 3, the water inlet 3 is connected to the water inlet pipe 5 of the circulation pump, and the other end of the water inlet pipe 5 of the circulation pump is connected to the water inlet end of the circulation pump 6, The outlet end of the circulation pump 6 is connected to the outlet pipe 11 of the circulation pump, and the other end of the outlet pipe 11 of the circulation pump is connected to the water inlet port of the membrane device. Connected, the membrane module 4 is provided with a water production port 1 for the membrane filtered water to pass through, and a plurality of water production ports 1 converge to the water production main pipe 7, and the other end of the water production main pipe 7 is connected to the clean water tank of the washing and sweeping vehicle; wherein, The membrane module 4 adopts a tubular membrane module, and a plurality of tubular membrane modules are connected in series by connecting elbows 10, and a plurality of tubular membrane modules form a cross-flow tubular membrane structure; the membrane module 4 is fixed on the membrane frame 8, and the membrane Pulleys are installed at the bottom of the frame 8, and the membrane frame 8 is placed in the sewage tank 2.

In the utility model, the multi-branch membrane modules 4 are connected in series by connecting elbows 10 (for example, adopt eight membrane modules), and are fixed on the membrane frame 8, and the bottom of the membrane frame 8 has a pulley, which can slide into the sewage tank 2, the sewage tank 2 There is a water inlet 3 at the bottom, and the water inlet 3 is connected to the water inlet pipe 5 of the circulation pump. After the sewage enters the circulation pump 6 through the water inlet pipe 5 of the circulation pump, it enters the membrane module 4 through the water outlet pipe 11 of the circulation pump, and the unfiltered sewage finally passes through the membrane The return water port 9 of the module returns to the sewage tank 2, and the permeated water after membrane filtration passes through the water production port 1 of the membrane module and enters the permeated water main pipe 7 to reach the clean water tank. Its working principle is: multi-branch membrane modules are connected in series by connecting elbows, and built into the sewage tank, the sewage enters the interior of the membrane module through the circulation pump, and the unfiltered sewage flows back to the sewage tank through the return port of the membrane module , and enter the circulating pump again to form a closed circuit. Part of the sewage is filtered through the separation holes on the membrane surface and then flows into the water production port of the membrane module. Clean the road.

The utility model adopts circulation filtration, does not need pretreatment, does not need aeration, has large filtration flux, can operate at low temperature in winter, and is a filter membrane device with simple maintenance. The device is a membrane filter device used in garbage washing and sweeping vehicles. The membrane module is operated under the positive pressure of the circulation pump, the concentrated water of the tubular membrane is directly circulated in the sewage tank, and the water produced by the tubular membrane enters the fresh water tank and is used again to clean the road surface.

In the utility model, the membrane device adopts a cross-flow tubular membrane structure, which is not easy to block and has a large flux; the membrane device does not need aeration, the system is simple, and the energy consumption is low; the separation aperture of the membrane used in the membrane device is 0.01-1um Between, preferably 0.05um; the membrane material used in the membrane device can be organic materials, such as PVDF, PE, PVC, PP, PS, etc., or inorganic materials, such as ceramics, stainless steel, etc., and is not limited thereto; The surface velocity of the tubular membrane used in the membrane device is 2-5m/s, so that the flushing effect is good and it is not easy to clog; the sewage can directly enter the membrane device without complicated pretreatment; the membrane device adopts the positive pressure operation of the circulating pump, and the filtration flux Large; it can operate at low temperature in winter, and it is easy to maintain and maintain; it eliminates the risk of poor water production caused by broken wires.

The utility model is not limited by the above-mentioned embodiments, and any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principle of the utility model should be equivalent replacement methods, and are all included in Within the protection scope of the present utility model.

Claims (9)

1. An improved membrane separation device for garbage washing and sweeping vehicles, characterized in that: it includes a sewage tank (2), a membrane module (4), a circulation pump inlet pipe (5), a circulation pump outlet pipe (11) and a circulation pump (6), the membrane module (4) is provided with a plurality, and a plurality of the membrane modules (4) are connected in series to form a membrane device, and the membrane device is built in the sewage tank (2), and the sewage tank (2) The bottom is provided with a water inlet (3), and the water inlet (3) is connected to the water inlet pipe (5) of the circulation pump, and the other end of the water inlet pipe (5) of the circulation pump is connected to the water inlet end of the circulation pump (6). The outlet end of the circulating pump (6) is connected to the circulating pump outlet pipe (11), the other end of the circulating pump outlet pipe (11) is connected to the water inlet port of the membrane device, and the other end of the membrane device is provided with a return port (9), the return water port (9) communicates with the waste water tank (2), the membrane module (4) is provided with a water production port (1) for the water production after membrane filtration to pass through, a plurality of the The water production port (1) merges into the water production main pipe (7), and the other end of the water production main pipe (7) is connected to the clean water tank of the cleaning and sweeping vehicle. 2. The improved garbage washing and sweeping vehicle membrane separation device as claimed in claim 1, characterized in that: said membrane module (4) adopts a tubular membrane module, and a plurality of said tubular membrane modules utilize a connecting elbow ( 10) connected in series. 3. The improved membrane separation device for garbage washing and sweeping vehicles according to claim 2, wherein a plurality of said tubular membrane modules form a cross-flow tubular membrane structure. 4. The improved membrane separation device for garbage washing and sweeping vehicles according to claim 2 or 3, characterized in that: the membrane module (4) is fixed on the membrane frame (8), and the bottom of the membrane frame (8) Equipped with pulleys, the membrane frame (8) is placed in the sewage tank (2). 5. The improved membrane separation device for garbage washing and sweeping vehicles according to claim 4, characterized in that: the separation pore diameter of the membrane used in the membrane module (4) is 0.01-1um. 6. The improved membrane separation device for garbage washing and sweeping vehicles according to claim 5, characterized in that: the separation pore diameter of the membrane used in the membrane module (4) is 0.05um. 7. The improved membrane separation device for garbage washing and sweeping vehicles according to claim 6, characterized in that: the surface flow velocity of the tubular membrane used in the membrane module (4) is 2-5m/s. 8. The improved membrane separation device for garbage washing and sweeping vehicles as claimed in claim 7, characterized in that: the membrane material used in the membrane module (4) is an organic material, and the organic material includes PVDF, PE, PVC, PP, PS. 9. The improved membrane separation device for garbage washing and sweeping vehicles according to claim 7, characterized in that: the membrane material used in the membrane module (4) is an inorganic material, and the inorganic material includes ceramics and stainless steel.