CN212770156U

CN212770156U - Soil pick-up car with sewage pretreatment structure

Info

Publication number: CN212770156U
Application number: CN202021545750.4U
Authority: CN
Inventors: 祁登军
Original assignee: Guizhou Zhonghai Shijiyu Environmental Protection Engineering Co ltd
Current assignee: Guizhou Zhonghai Shijiyu Environmental Protection Engineering Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-03-23
Anticipated expiration: 2030-07-30

Abstract

The utility model relates to the technical field of cleaning and environmental protection, in particular to a sewage suction truck with a sewage pretreatment structure, which comprises a truck head, a truck frame and a tank body, wherein one end of the truck frame is connected with the truck head, the tank body is arranged on the truck frame, a coarse filtration mechanism, a pretreatment structure and a temporary water storage tank are sequentially arranged in the tank body along the working direction of the sewage suction truck, the feeding end of the coarse filtration mechanism is communicated with a sewage suction pipe, the discharging end of the coarse filtration mechanism is communicated with the feeding end of the pretreatment structure through a first connecting pipe, the pretreatment structure comprises a pretreatment box and a filtration membrane, the filtration membrane is arranged in the pretreatment box, the discharging end of the filtration membrane is communicated with the feeding end of the temporary water storage tank through a second connecting pipe, the discharging end of the temporary water storage tank is communicated with a discharging pipe, and after the pretreatment structure consisting of the pretreatment box and the filtration membrane is arranged, the secondary filtration can be carried out, improve the filtering effect and improve the whole sewage treatment effect.

Description

Soil pick-up car with sewage pretreatment structure

Technical Field

The utility model relates to a clean environmental protection technical field, concretely relates to soil pick-up car with sewage pretreatment structure.

Background

The sewage suction truck is special equipment for cleaning sewage sludge, separates solid impurities in sewage in a sewer through the sewage suction truck, and can effectively avoid the problems of blockage of a sewer pipeline and the like.

The existing sewage suction truck has the problems of inconvenient collection and preliminary treatment of sewage due to the fact that the built-in filtering mechanism is simple and can only carry out preliminary filtration when in use, and impurity separation is not thorough.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to above problem, provide a soil pick-up car with sewage pretreatment structure.

The technical scheme who adopts is, a soil pick-up car with sewage pretreatment structure includes the locomotive, frame and jar body, frame one end is connected with the locomotive, the jar body is located on the frame, wherein set gradually coarse filtration mechanism along soil pick-up car working direction jar internal, pretreatment structures and the water tank of keeping in, coarse filtration mechanism's feed end and soil pick-up pipe intercommunication, coarse filtration mechanism's discharge end passes through the feed end intercommunication of first connecting pipe with pretreatment structures, pretreatment structures is including pretreatment case and filtration membrane, filtration membrane locates the pretreatment incasement, filtration membrane's discharge end passes through the feed end intercommunication of second connecting pipe with the water tank of keeping in, the discharge end and the discharge pipe intercommunication of water tank of keeping in.

Optionally, a second working pump and a third working pump are arranged at the bottom of the temporary storage water tank, a feeding end of the second working pump is communicated with the second connecting pipe through a third connecting pipe, and a discharging end of the third working pump is communicated with the second connecting pipe through a fourth connecting pipe.

Furthermore, a first control valve is arranged on the third connecting pipe, and a second control valve is arranged on the fourth connecting pipe.

Optionally, the lower part of the filtering membrane is provided with a bubble generating device, the bubble generating device is positioned at the bottom of the pretreatment box, and an air inlet of the bubble generating device is communicated with the first air duct.

Optionally, the opening has all been seted up with the water tank top of keeping in to the preliminary treatment case, and the opening part is covered with and gathers the gas case, gathers the inside cavity of gas case respectively with preliminary treatment case and the water tank intercommunication of keeping in, gathers the gas vent and the second air duct intercommunication of gas case.

Optionally, a first air outlet mechanism and a second air outlet mechanism are arranged on the tank body of the tank body, the first air outlet mechanism is communicated with the first air guide tube, and the second air outlet mechanism is communicated with the second air guide tube.

Furthermore, a third control valve is arranged on the first air duct, and a fourth control valve is arranged on the second air duct.

The utility model has the advantages that at least one of the following advantages is included;

1. through setting up the preliminary treatment structure of constituteing by preliminary treatment case and filtration membrane, can carry out the coarse filtration back at coarse filter mechanism, carry out secondary filter to non-visual impurity in the sewage, improve the filter effect, improve whole sewage treatment effect.

2. Based on the sewage treatment assembly in the sewage suction truck tank body consisting of the coarse filtering mechanism, the pretreatment structure and the temporary storage water tank, the solid-liquid separation and temporary storage of sewage can be effectively carried out.

3. The problem of current soil pick-up car in use because built-in filtering mechanism is comparatively simple only can carry out the prefilter, impurity separation is not thorough, the collection and the preliminary treatment of sewage not be convenient for is solved.

Drawings

FIG. 1 is a schematic structural view of a sewage suction truck;

FIG. 2 is a schematic structural view of another sewage suction truck;

FIG. 3 is a schematic view of the coarse filter mechanism;

FIG. 4 is a schematic diagram of a pretreatment structure;

FIG. 5 is a schematic top view of a pretreatment structure;

FIG. 6 is a schematic structural view of a bubble generation device;

FIG. 7 is a schematic view of a can body construction;

labeled as: 1 is a vehicle head, 2 is a vehicle frame, 3 is a tank body, 4 is a first air outlet mechanism, 5 is a discharge pipe, 6 is a movable rotating shaft, 7 is a connecting piece, 8 is a movable door, 9 is a sewage suction pipe, 10 is a reinforcing rib, 11 is a filter box, 12 is a pretreatment box, 13 is a temporary storage water tank, 14 is a second air outlet mechanism, 15 is a filter plate, 16 is a first discharge cavity, 17 is a first inlet cavity, 18 is a first top cover, 19 is a fixing piece, 20 is an anti-backflow pipe, 21 is a first working pump, 22 is a first connecting pipe, 23 is a first limiting plate, 24 is a limiting ball, 25 is a fastening spring, 26 is a second limiting plate, 27 is a first perforation, 28 is a second perforation, 29 is an air gathering box, 30 is a filtering membrane, 31 is an air bubble generating device, 32 is a first air guide pipe, 33 is a second connecting pipe, 34 is a third connecting pipe, 35 is a fourth connecting pipe, 36 is a second working pump, and 37 is a third working pump, 38 is a first control valve, 39 is a second control valve, 40 is a second air duct, 41 is a third control valve, 42 is an air outlet hole, and 61 is a fourth control valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the scope of the invention.

As shown in fig. 1 and 2, a soil pick-up truck with sewage pretreatment structure includes locomotive 1, frame 2 and jar body 3, frame 2 one end is connected with locomotive 1, jar body 3 is located on frame 2, wherein set gradually coarse filtration mechanism in jar body 3 along soil pick-up truck working direction, pretreatment structure and water tank for temporary storage 13, coarse filtration mechanism's feed end and soil pick-up pipe 9 intercommunication, coarse filtration mechanism's discharge end is through the feed end intercommunication of first connecting pipe 22 with pretreatment structure, pretreatment structure includes pretreatment tank 12 and filtration membrane 30, filtration membrane 30 locates in pretreatment tank 12, filtration membrane 30's discharge end is through the feed end intercommunication of second connecting pipe 33 with water tank for temporary storage 13, water tank for temporary storage 13's discharge end and discharge pipe 5 intercommunication.

The aim at who designs like this, through setting up the preliminary treatment structure of constituteing by preliminary treatment case and filtration membrane, can carry out the coarse filtration back at coarse filter mechanism, carry out secondary filter to non-visual impurity in the sewage, improve the filter effect, improve whole sewage treatment effect. Based on the sewage treatment assembly in the sewage suction truck tank body consisting of the coarse filtering mechanism, the pretreatment structure and the temporary storage water tank, the solid-liquid separation and temporary storage of sewage can be effectively carried out. The problem of current soil pick-up car in use because built-in filtering mechanism is comparatively simple only can carry out the prefilter, impurity separation is not thorough, the collection and the preliminary treatment of sewage not be convenient for is solved.

As shown in fig. 3, the present application further provides a structure of a coarse filtering mechanism, wherein the coarse filtering mechanism includes a filtering tank 11, a backflow preventing pipe 20 and a first working pump 21, a feeding port of the filtering tank 11 is communicated with the sewage suction pipe 9, a discharging port of the filtering tank 11 is communicated with one end of the backflow preventing pipe 20, the other end of the backflow preventing pipe 20 is communicated with a feeding port of the first working pump 21, and the other end of the first working pump 21 is communicated with the pretreatment structure through a first connecting pipe 22. Be provided with filter 15 in the rose box 11, filter 15 is cut apart into first entering chamber 17 and first exhaust chamber 16 with rose box 11, and filter 15 can filter large granule impurity in the leading-in sewage of

sewage pipe

9, and 11 tops of rose box are provided with first top cap 18, and first top cap 18 passes through mounting 19 and can dismantle with 11 open-tops of rose box and be connected.

In the use, sewage is through the pipeline of being connected with the soil pick-up pipe, in the filter box of the coarse filtration mechanism of suction under the work of first working pump, from the first chamber motion of getting into towards first discharge chamber, filter through the filter plate earlier, the filter plate of here mainly comprises the three-layer, including the barrier of filtering long form impurity, filter large granule impurity's filter screen and the biological cotton of filtering small granule impurity, after filter plate three-layer filters, most visible impurity has clear away in the sewage.

Simultaneously, because set up first top cap at the filter box top, it is convenient for the staff and changes the filter in routine maintenance, and it can adopt detachable structures such as screw to be connected with the filter box.

The application still provides a peculiar structure's anti-return pipe, wherein be provided with first limiting plate 23 in the anti-return pipe 20, second limiting plate 26, fastening spring 25 and spacing ball 24, first limiting plate 23 is close to rose box 11, first perforation 27 has been seted up on the first limiting plate 23, first perforation 27 is supported into to spacing ball 24 one end, the spacing ball 24 other end is connected with fastening spring 25, second limiting plate 26 is close to first work pump 21, second perforation 28 has been seted up on the second limiting plate 26, fastening spring 25 is fixed in on the second limiting plate 26.

The aim at who designs like this, because the work of first working pump, make in the sewage through coarse filtration can get into the backflow prevention pipe, sewage will be pushed into first fenestrate spacing ball and break away, then from the perforation discharge of second, behind the working pump stop work, because the influence of receiving the pipe pressure, spacing ball one end is pushed into first perforation again, the fastening spring primary function that sets up simultaneously lies in spacing to spacing ball, it can not stop the perforation of second neither to make it, can push into first perforation again simultaneously, certainly, in order to facilitate the sewage through coarse filtration can be smoothly through the backflow prevention pipe, the diameter of spacing ball should be less than the pipe diameter of preventing the backflow pipe, this place does not embody in figure 3.

This application still provides a distinctive jar of body afterbody structure, and wherein jar body 3 one side of keeping away from locomotive 1 is provided with the moving mechanism, and the moving mechanism includes activity pivot 6, connecting piece 7 and dodge gate 8, and jar body 3 tops is located to

activity pivot

6, and 6 one end of activity pivot are connected with connecting piece 7, and connecting piece 7 is connected with dodge gate 8, and dodge gate 8 can be circular motion along activity pivot 6, and sewage suction pipe 9 is located in the dodge gate 8.

The purpose of design like this is that, carry out certain protection to each part in the jar body through setting up mobilizable door structure, simultaneously in order to improve the stability of activity pivot, be provided with strengthening rib 10 at the body of the jar, with the activity pivot setting on the strengthening rib, each clean part needs take a breath when the internal work of jar, be provided with on the body and be exclusively used in gas emission and leading-in first air outlet mechanism.

As shown in fig. 4 to 7, a second working pump 36 and a third working pump 37 are disposed at the bottom of the temporary storage water tank 13, a feeding end of the second working pump 36 is communicated with the second connecting pipe 33 through a third connecting pipe 34, and a discharging end of the third working pump 37 is communicated with the second connecting pipe 33 through a fourth connecting pipe 35. The third connection pipe 34 is provided with a first control valve 38, and the fourth connection pipe 35 is provided with a second control valve 39.

In use, the MBR membrane can be chooseed for use to the filtration membrane that is located the preliminary treatment incasement, simultaneously through opening the second work pump, open first control valve, close the second control valve, pass filtration membrane input to the water tank of keeping in with the sewage that is located the preliminary treatment incasement, filter non-visual impurity in the sewage based on filtration membrane's filter effect, can also close first control valve simultaneously after filtering finishes, open second control valve and third work pump, the sewage after will being located the water tank of keeping in after filtration membrane treatment, reverse leading-in goes up the backwash on the filtration membrane, improve the flux of membrane.

The application still provides a peculiar bubble generating device structure, filtration membrane 30 lower part is provided with bubble generating device 31, bubble generating device 31 is located pretreatment tank 12 bottom, bubble generating device 31's air inlet and first air duct 32 intercommunication, pretreatment tank 12 has all seted up the opening with the water tank 13 top of keeping in storage, and the opening part is covered with and has gathered gas tank 29, gather gas tank 29 internal cavity respectively with pretreatment tank 12 and the water tank 13 intercommunication of keeping in storage, gather gas tank 29's gas vent and second air duct 40 intercommunication, first air outlet mechanism 4 and second air outlet mechanism 14 have been seted up on the can body of jar body 3, first air outlet mechanism 4 and first air duct 32 intercommunication, second air outlet mechanism 14 and second air duct 40 intercommunication, be provided with third control valve 41 on the first air duct 32, be provided with fourth control valve 61 on the second air duct 40.

The purpose of design like this, can be at the leading-in air of preliminary treatment incasement through setting up bubble generating device, make it form the bubble and wash the membrane surface, the bubble gets into in gathering the gas case simultaneously, together with the gas in the water case temporarily together by the second air duct via the discharge of second air outlet mechanism, bubble generating device surface evenly distributed has venthole 42 simultaneously, the first air duct of bubble generating device intercommunication is through first air outlet mechanism, with gas from leading-in can body outside can body under power component's cooperation.

Claims

1. The utility model provides a soil pick-up car with sewage pretreatment structure, includes locomotive (1), frame (2) and a jar body (3), frame (2) one end is connected with locomotive (1), on frame (2) was located in jar body (3), its characterized in that: along soil pick-up car direction of operation set gradually coarse filtration mechanism, preliminary treatment structure and water tank (13) of keeping in jar body (3), coarse filtration mechanism's feed end and soil pick-up pipe (9) intercommunication, coarse filtration mechanism's discharge end through first connecting pipe (22) and preliminary treatment structure's feed end intercommunication, preliminary treatment structure is including preliminary treatment case (12) and filtration membrane (30), in preliminary treatment case (12) was located in filtration membrane (30), the discharge end of filtration membrane (30) was through the feed end intercommunication of second connecting pipe (33) with water tank (13) of keeping in, the discharge end and discharge pipe (5) the intercommunication of water tank (13) of keeping in.

2. The soil pick-up trolley with the sewage pretreatment structure as claimed in claim 1, wherein: the water tank (13) bottom of keeping in is provided with second working pump (36) and third working pump (37), the feed end of second working pump (36) passes through third connecting pipe (34) and second connecting pipe (33) intercommunication, the discharge end of third working pump (37) passes through fourth connecting pipe (35) and second connecting pipe (33) intercommunication.

3. The soil pick-up trolley with the sewage pretreatment structure as claimed in claim 2, wherein: a first control valve (38) is arranged on the third connecting pipe (34), and a second control valve (39) is arranged on the fourth connecting pipe (35).

4. The soil pick-up trolley with the sewage pretreatment structure as claimed in claim 1, wherein: and the lower part of the filtering membrane (30) is provided with a bubble generating device (31), the bubble generating device (31) is positioned at the bottom of the pretreatment tank (12), and an air inlet of the bubble generating device (31) is communicated with the first air guide pipe (32).

5. The soil pick-up trolley with the sewage pretreatment structure as claimed in claim 4, wherein: the opening has all been seted up at preliminary treatment case (12) and water tank of keeping in (13) top, and the opening part is covered with and gathers gas case (29), gather gas case (29) inside cavity respectively with preliminary treatment case (12) and water tank of keeping in (13) intercommunication, gather the gas vent and second air duct (40) intercommunication of gas case (29).

6. The soil pick-up trolley with the sewage pretreatment structure as claimed in claim 5, wherein: the pot body of the pot body (3) is provided with a first air outlet mechanism (4) and a second air outlet mechanism (14), the first air outlet mechanism (4) is communicated with the first air guide pipe (32), and the second air outlet mechanism (14) is communicated with the second air guide pipe (40).

7. The soil pick-up trolley with the sewage pretreatment structure as claimed in claim 5, wherein: the first air duct (32) is provided with a third control valve (41), and the second air duct (40) is provided with a fourth control valve (61).