CN115178009A

CN115178009A - Wash sewage suction truck inner loop filter processing apparatus

Info

Publication number: CN115178009A
Application number: CN202210749793.1A
Authority: CN
Inventors: 江正平; 金云鹏; 金晓武; 周艳玲; 卢小磊
Original assignee: Hubei Emergency Intelligent Equipment Innovation Center Co ltd
Current assignee: Hubei Emergency Intelligent Equipment Innovation Center Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-10-14
Anticipated expiration: 2042-06-29
Also published as: CN115178009B

Abstract

The invention provides a circulating filtration treatment device for cleaning and absorbing sewage, comprising: a sewage tank; a first-stage filter part, including a first-stage filter plate, the upper part of the first-stage filter plate is connected with the inner wall of the sewage tank, and the bottom is separated from the inner wall of the sewage tank; The secondary filter part includes a secondary filter plate and a lower baffle, the upper part of the secondary filter plate is connected to the inner wall of the sewage tank, the lower part is connected to the lower baffle, and the edge of the lower baffle is attached to the inner wall of the sewage tank; and the solid-liquid separation part, It includes a mud pump, a fine filter and a clean water tank which are connected in sequence through pipelines, and the mud pump is also connected to the rear end of the sewage tank through pipelines. The beneficial effects of the present invention are as follows: cleaning and absorbing sewage work simultaneously, prolonging the working time of the two operating states of cleaning and absorbing sewage, and improving the work efficiency; the clean water obtained by filtration of sewage in the sewage tank is used for cleaning the sewage absorbing vehicle, and the cleaning is realized. The recycling of sewage in the sewage suction truck provides continuous supply of clean water for cleaning the sewage suction truck, and solves the problem that the cleaning operation time is limited by the designed volume of the clean water tank.

Description

Wash sewage suction truck inner loop filter processing apparatus

Technical Field

The invention relates to the technical field of sewage treatment vehicles, in particular to an internal circulation filtering treatment device of a cleaning and sewage suction vehicle.

Background

The vacuum cleaning sewage suction truck is mainly used for pumping, loading, transporting and discharging sludge and excrement in sewers, rainwater wells, inspection wells, septic tanks and various ditches or sludge in sewage pools of petrochemical plants, and solves the problems of cleaning urban sewers and dredging sludge ditches at dead corners and deposits of pipelines. The vacuum cleaning and sewage suction truck of the prior vacuum cleaning and sewage suction truck can self-suck and self-discharge, the sewage suction tank can be hydraulically self-unloaded, and the rear cover can be hydraulically opened, thereby having the advantages of convenient transportation and long suction distance.

But at present conventional cleaning and soil pick-up car has certain limitation when using, if it adopts single operation mode, in the sewage jar is inhaled earlier to sewage promptly, stops the operation, and the high pressure water pump is cleaned to the reuse, then stops the operation of high pressure water pump, so the continuous cycle operation, has following defect: on one hand, the dirt suction and the dirt cleaning are carried out intermittently, so that the operation time is prolonged, and the operation efficiency is reduced; on the other hand, the loading sewage volume can only be the design volume of the sewage tank, the sewage in the sewage tank can not be directly used by the clean water pump, and the operation time of the clean water pump is limited by the volume of the design clean water tank.

Disclosure of Invention

In view of this, in order to solve the problems that the dirt suction and the dirt removal are performed intermittently during the operation of the cleaning and dirt suction vehicle, and the sewage in the sewage tank cannot be directly supplied to the clean water pump without being filtered, an embodiment of the invention provides an internal circulation filtration treatment device for the cleaning and dirt suction vehicle.

The embodiment of the invention provides a device for cleaning and filtering the internal circulation of a sewage suction truck, which comprises:

a sewage tank;

the primary filtering component is arranged in the sewage tank and comprises a primary filtering plate, the upper part of the primary filtering plate is connected with the inner wall of the sewage tank, and the bottom of the primary filtering plate is separated from the inner wall of the sewage tank;

the secondary filter component is arranged in the sewage tank and positioned at the rear side of the primary filter plate, the secondary filter component comprises a secondary filter plate and a lower baffle plate, the bottom of the secondary filter plate is provided with a blocking piece for vertically separating a space between the primary filter plate and the secondary filter plate, the upper part of the secondary filter plate is connected with the inner wall of the sewage tank, the lower part of the secondary filter plate is connected with the lower baffle plate, and the edge of the lower baffle plate is attached to the inner wall of the sewage tank;

and the solid-liquid separation part comprises a mud pump, a fine filter and a clear water tank which are sequentially connected through pipelines, and the mud pump is also connected with the rear end of the sewage tank through a pipeline.

Further, the fine filter is connected with the sewage tank through a return pipeline.

Further, the sewage tank includes the jar body of rear end open-ended and with jar body rear end mouth rotatable coupling's back head, the second grade filter plate with back head front end fixed connection, down baffle upper portion with second grade filter plate lower part rotatable coupling.

Furthermore, the bottom of the second-stage filter plate is provided with a first blocking plate extending forwards, the blocking piece is the first blocking plate, and the front end of the first blocking plate is in contact with the bottom of the first-stage filter plate.

Furthermore, a second blocking plate which is transversely arranged is arranged in the rear end socket, and the front end of the second blocking plate is contacted with the bottom of the second-stage filter plate.

Further, the solid-liquid separation part still includes the filtrating conveyer pipe, filtrating conveyer pipe one end runs through back head and extends to second baffler top, and the other end is connected the mud water pump.

Furthermore, the second-stage filter plate and the lower baffle are spliced into a circular shape.

Furthermore, the upper part of the primary filter plate is rotatably connected with the upper part of the secondary filter plate.

Furthermore, the front side of the first-stage filter plate is provided with a first limiting block for limiting the first-stage filter plate, and the front side of the lower baffle plate is provided with a second limiting block for limiting the second-stage filter plate.

Furthermore, the second-stage filter plate comprises a second-stage upper filter plate and a second-stage lower filter plate connected with the lower part of the second-stage upper filter plate, wherein the aperture of filter pores on the second-stage upper filter plate is larger than that on the second-stage lower filter plate.

The technical scheme provided by the embodiment of the invention has the following beneficial effects:

1. according to the internal circulation filtering treatment device for the cleaning and sewage suction truck, in the sewage suction process, the sewage is filtered by the primary filtering part and the secondary filtering part, so that the filtered sewage meets the water quality requirement of a mud water pump, clear water which can be used by a high-pressure water pump is filtered by the fine filter, the cleaning and the sewage suction are simultaneously operated, the working time of two operation states of cleaning and sewage suction is prolonged, and the working efficiency is improved.

2. According to the internal circulation filtration treatment device for the cleaning and sewage suction truck, the clean water obtained by filtering the sewage in the sewage tank is used for cleaning the cleaning and sewage suction truck, so that the sewage in the cleaning and sewage suction truck is recycled, the clean water is continuously provided for the cleaning and sewage suction truck, the problem that the cleaning operation time is limited by the volume of the designed clean water tank is solved, more solid substances can be reserved in the sewage tank, and the operation time is greatly prolonged.

Drawings

FIG. 1 is a schematic view of a cleaning and sewage suction truck internal circulation filtering processing device in a closed state of a rear end socket;

FIG. 2 is a schematic view of a portion of the rear end of the waste tank of FIG. 1;

FIG. 3 is a schematic view of the internal circulation filtering device of the cleaning and sewage suction truck in the open state of the rear end enclosure;

FIG. 4 is an exploded view of the primary filter element, the secondary filter element and the back head;

FIG. 5 is a schematic view of the connection of the primary filter element, the secondary filter element and the back head.

In the figure: 1-sewage tank, 2-first-stage filter plate, 3-second-stage filter plate, 4-first-stage filtrate cavity, 5-second-stage filtrate cavity, 6-sewage pipe, 7-lower baffle, 8-tank body, 9-rear end socket, 10-second pin shaft, 11-hinged seat, 12-first limiting block, 13-first blocking plate, 14-hinge, 15-second blocking plate, 16-filtrate delivery pipe, 17-second limiting block, 18-second limiting block, 19-second-stage upper filter plate, 20-second-stage lower filter plate, 21-mud water pump, 22-fine filter, 23-clear water tank, 24-return pipeline, 25-first pin shaft, 26-sealing rubber strip and 27-connecting lug.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings. The following presents a simplified summary of the invention in order to provide a basic understanding of the invention and to provide a basic understanding of the invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be construed broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Referring to fig. 1 and 3, an embodiment of the present invention provides an internal circulation filtration processing apparatus for a cleaning and soil-sucking vehicle, which is applied to a vacuum type cleaning and soil-sucking vehicle, and the filtration apparatus mainly includes a sewage tank 1, a primary filtration component, a secondary filtration component, and a solid-liquid separation component.

As shown in fig. 3, the sewage tank 1 is a horizontal cylindrical tank body, the sewage tank 1 includes a tank body 8 with an opening at the rear end and a rear end enclosure 9, and the upper portion of the rear end enclosure 9 is rotatably connected with the rear port of the tank body 8, so that the rear end enclosure 9 can be opened or closed relative to the rear port of the tank body 8. Referring to fig. 5 again, the upper portion of the rear end enclosure 9 is provided with a connecting lug 27, the upper portion of the rear end of the tank body 8 is hinged to the connecting lug 27 through a first pin shaft 25, and a sealing rubber strip 26 is further arranged between the rear end face of the tank body 8 and between the rear end enclosure 9 and the tank body 8, so that the rear end enclosure 9 and the tank body 8 can be connected in a sealing manner.

The sewage tank 1 is further provided with a sewage pipe 6, one end of the sewage pipe 6 extends into the tank body 8, and external sewage is sucked into the tank body 8 under the action of vacuum inside the tank body 8.

The primary filtering component and the secondary filtering component are sequentially arranged in the sewage tank 1 from front to back and sequentially filter sewage in the tank body 8. The sewage pipe 6 penetrates through the primary filtering component and the secondary filtering component and then extends into the tank body 8.

The primary filter part comprises an arched primary filter plate 2. As shown in fig. 4, the primary filter plate 2 is a grid plate, and the cross-sectional shape thereof is the same as the cross-sectional shape of the middle upper portion of the tank 8. The upper portion of one-level filter plate 2 with 1 inner wall connection of sewage jar, bottom with 1 inner wall separation of sewage jar, like this the bottom of one-level filter plate 2 is apart from the inner wall bottom certain distance of sewage jar 1, if 1/3 of jar body 8 internal diameters, density are greater than the great volume filth direct deposit of water in 1 bottom of sewage jar, the filth of bottom do not pass through one-level filter plate 2, deposit always in sewage jar 1.

The second grade filter part set up in the rear side of one-level filter plate 2, and with form one-level filtrate chamber 4 between the one-level filter plate 2. As shown in fig. 1 and 4, the secondary filter part comprises a secondary filter plate 3 and a lower baffle 7, and the secondary filter plate 3 and the lower baffle 7 are spliced into a circle with the same cross section as the tank 8.

The upper part of the second-stage filter plate 3 is connected with the inner wall of the sewage tank 1, the lower part of the second-stage filter plate is connected with the lower baffle 7, the edge of the lower baffle 7 is attached to the inner wall of the sewage tank 1, and a second-stage filtrate cavity 5 is formed between the rear side of the second-stage filter part and the rear end of the sewage tank 1. The sewage filtered by the first-stage filter plate 2 enters the first-stage filtrate cavity 4, then enters the second-stage filtrate cavity 5 after being filtered by the second-stage filter plate 3, and the lower baffle 7 blocks the sediment in the tank body 8, so that the sediment is prevented from colliding with the rear end enclosure 9.

The higher the sewage liquid level is, the lower the solid content of the solid-liquid mixture is, so the secondary filter plate 3 comprises a secondary upper filter plate 19 and a secondary lower filter plate 20 connected with the lower part of the secondary upper filter plate 19, wherein the aperture of the filter pores on the secondary upper filter plate 19 is smaller than the diagonal length of the grid pores on the primary filter plate 2, and the aperture of the filter pores on the secondary upper filter plate 19 is larger than the aperture of the filter pores on the secondary lower filter plate 20. More solid substances in the sewage with lower page in the primary filtrate cavity 4 are filtered by the secondary lower filter plate 20 with smaller filter hole diameter, so that the filtering precision of the sewage can be improved.

More specifically, as shown in fig. 2, 4 and 5, the second-stage filter plate 3 is attached to the upper portion of the front end face of the rear head 9, and is fixedly connected to the front end of the rear head 9 through a bolt. The bottom of the secondary filter plate 3 is provided with a plurality of hinges 14, and the upper part of the lower baffle 7 is hinged with each hinge 14, so that the upper part of the lower baffle 7 and the lower part of the secondary filter plate 3 can rotate relatively.

The cross-sectional shapes of the primary filter plate 2 and the secondary filter plate 3 are approximately the same. The upper part of the second-stage filter plate 3 close to the front side is provided with a hinged seat 11, the first-stage filter plate 2 is hinged with the hinged seat 11 through a second pin shaft 10, and thus, the upper part of the first-stage filter plate 2 is rotatably connected with the upper part of the second-stage filter plate 3.

Furthermore, a blocking piece is arranged at the bottom of the second-stage filter plate 3 to vertically separate the space between the first-stage filter plate 2 and the second-stage filter plate 3, namely, the first-stage filtrate cavity 4. The bottom of second grade filter plate 3 is equipped with the first separation board 13 that extends forward, the separation piece is first separation board 13, first separation board 13 with second grade filter plate 3 sets up perpendicularly, and the front end with 2 bottom contact of one-level filter plate avoid sewage get into behind the one-level filtrate chamber 4 flow back again jar body 8 bottom. Similarly, be equipped with horizontal second baffler 15 that sets up in the back head 9, second baffler 15 is located the bottom of second grade filter plate 3 corresponds the position, just the front end of second baffler 15 the contact of second grade filter plate 3 bottom avoids getting into at sewage flow back in the second grade filtrate chamber 5 again jar body 8 bottom.

In addition, a first limiting block 12 for limiting the first-stage filter plate 2 is arranged on the front side of the first-stage filter plate 2, and the first limiting block 12 is fixed in the tank body 8 and is positioned on the inner side of the first-stage filter plate 2. The front side of baffle 7 is equipped with the second stopper 17 to its spacing down, the rear side of baffle 7 is equipped with the third stopper 18 to its spacing down, second stopper 17 set up in jar body 8, third stopper 18 is located in back head 9. When the back head 9 is closed again after being opened, receive first stopper 12 the second stopper 17 with the limiting displacement of third stopper 18 makes one-level filter plate 2 with baffle 7 moves to stable position rapidly down, avoids one-level filter plate 2 with baffle 7 swing down.

The solid-liquid separation component is arranged on the cleaning and sewage sucking vehicle and is used for carrying out solid-liquid separation treatment on the sewage in the secondary filtrate cavity 5 to obtain clear water. As shown in fig. 1 and 2, the solid-liquid separation section includes a filtrate transport pipe 16, a sludge pump 21, a fine filter 22, and a clean water tank 23.

The mud pump 21 is also connected to the rear end of the sewage tank 1 via a filtrate transfer pipe 16. Specifically, filtrate conveying pipe 16 one end runs through back head 9 and extends to second baffler 15 top, namely extend to second grade filtrate chamber 5, filtrate conveying pipe 16 other end is connected muddy water pump 21.

Mud water pump 21 fine filter 22 with clear water tank 23 connects gradually through the pipeline, sewage in the second grade filtrate chamber 5, the mud water pump 21 pump sending sewage in the second grade filtrate chamber 5 extremely fine filter 22, fine filter 22 filters sewage and acquires clear water and solid-liquid mixture, wherein the clear water is input confession in the clear water tank 23 washs the soil pick-up car cleaning operation and uses. The fine filter 22 is also connected to the waste tank 1 via a return line 24 for re-feeding the solid-liquid mixture back into the tank 8.

As shown in fig. 1 and 2, when the cleaning and sewage sucking vehicle works, the vacuum pump vacuumizes the interior of the sewage tank 1, sewage in a water channel to be dredged begins to suck sewage into the tank body 8 through the sewage sucking pipe 6, the sewage gradually overflows to the bottom of the primary filter plate 2 and above, large-volume sewage with density larger than that of the water is directly deposited at the bottom of the sewage tank 1, and other sewage is suspended in the sewage, filtered by the primary filter component and filtered by the secondary filter component; the sewage after the two-stage filtration completely meets the water quality requirement of the mud pump 21, the sewage can be conveyed to a fine filter 22 through the mud pump 21 for filtration, the clear water obtained by filtration is input into the clear water tank 23 for storage and then is used for cleaning by the high pressure water pump, and the solid-liquid mixture obtained by filtration is conveyed back into the sewage tank 1 again; therefore, the sewage in the cleaning and sewage suction truck can be recycled, and the working time of two working states of cleaning and sewage suction is prolonged.

As shown in fig. 3, when the cleaning and sewage suction truck unloads, the sewage tank 1 is lifted to a set angle, the rear sealing head 9 is opened, the rear sealing head 9 brings out the primary filter component and the secondary filter component, sewage slides out of the tank body 8 under the action of self gravity, and the inside of the tank body 8, the primary filter component, the secondary filter component and the rear sealing head 9 can be washed by high-pressure water.

In this document, the terms front, back, upper, lower and the like in the drawings are used for the sake of clarity and convenience only for the components are located in the drawings and the positions of the components relative to each other. It is to be understood that they are relative concepts that may be modified in various manners of use and placement and that the use of directional terms should not be taken to limit the scope of what is claimed.

The features of the embodiments and embodiments described herein above may be combined with each other without conflict.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A circulating filter processing device in a cleaning sewage suction vehicle, characterized in that, comprising:

sewage tank;

A primary filter component, which is arranged in the sewage tank, the primary filter component includes a primary filter plate, the upper part of the primary filter plate is connected with the inner wall of the wastewater tank, and the bottom is separated from the inner wall of the wastewater tank ;

The secondary filter component is arranged in the sewage tank and is located on the back side of the primary filter plate, the secondary filter component includes a secondary filter plate and a lower baffle, and the bottom of the secondary filter plate is provided with The blocking member separates the space between the primary filter plate and the secondary filter plate up and down, the upper part of the secondary filter plate is connected to the inner wall of the sewage tank, the lower part is connected to the lower baffle plate, and the lower part is connected to the lower baffle plate. The edge of the baffle is fitted with the inner wall of the sewage tank;

and a solid-liquid separation part, which includes a mud pump, a fine filter and a clean water tank connected in sequence through a pipeline, and the mud pump is also connected to the rear end of the sewage tank through a pipeline.

2 . The apparatus for cleaning and filtering in a sewage suction vehicle according to claim 1 , wherein the fine filter is connected to the sewage tank through a return line. 3 .

3 . The apparatus for cleaning and filtering the inside of a sewage suction vehicle according to claim 1 , wherein the sewage tank comprises a tank body with a rear end opening, and a rear end port rotatably connected to the rear port of the tank body. 4 . A sealing head, the secondary filter plate is fixedly connected with the front end of the rear sealing head, and the upper part of the lower baffle is rotatably connected with the lower part of the secondary filter plate.

4 . The device for cleaning and filtration in a sewage suction vehicle according to claim 3 , wherein the bottom of the secondary filter plate is provided with a first blocking plate extending forward, and the first blocking plate is 4. 5 . The front end is in contact with the bottom of the primary filter plate.

5 . The apparatus for cleaning and filtering in a sewage suction vehicle according to claim 3 , wherein the rear head is provided with a second horizontally arranged baffle plate, and the second baffle plate is the A blocking member, the front end of the second blocking plate is in contact with the bottom of the secondary filter plate.

6 . The apparatus for cleaning and filtration in a sewage suction vehicle according to claim 5 , wherein the solid-liquid separation component further comprises a filtrate conveying pipe, and one end of the filtrate conveying pipe runs through the rear head and ends. 7 . It extends above the second baffle plate, and the other end is connected to the mud pump.

7 . The apparatus for cleaning and filtering in a sewage suction vehicle according to claim 1 , wherein the secondary filter plate and the lower baffle are spliced into a circular shape. 8 .

8 . The apparatus for cleaning and filtering the interior of a sewage suction vehicle according to claim 1 , wherein the upper part of the primary filter plate is rotatably connected to the upper part of the secondary filter plate. 9 .

9 . The apparatus for cleaning and filtering the interior of a sewage suction vehicle as claimed in claim 3 , wherein: the front side of the first-stage filter plate is provided with a first limit block for limiting its position, and the lower The front side of the baffle is provided with a second limiting block for limiting its position.

10 . The apparatus for cleaning and absorbing sewage inside a vehicle for circulating filtration according to claim 1 , wherein the secondary filter plate comprises a secondary upper filter plate, and a lower portion of the secondary upper filter plate is connected to The secondary lower filter plate, wherein the pore diameter of the filter pores on the secondary upper filter plate is larger than the pore diameter of the filter pores on the secondary lower filter plate.