CN212896791U

CN212896791U - Air intake and exhaust filtering system of sewage suction truck

Info

Publication number: CN212896791U
Application number: CN202021563791.6U
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: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-04-06
Anticipated expiration: 2030-07-31

Abstract

The utility model relates to a special purpose vehicle technical field discloses a soil pick-up car advances exhaust filtration system, it is including the jar body and the vacuum pump that have the cover, jar body and vacuum pump are all installed on the soil pick-up car frame, the vacuum pump passes through the inner chamber intercommunication of the pipeline with jar body, still install the soil pick-up pipe on the jar body, be provided with the outlet duct on the jar body, install gas treater on the outlet duct, gas treater includes the casing, the inlet end of casing is located its both ends respectively with the end of giving vent to anger, be provided with photocatalyst board and ultraviolet lamp in the casing, the photocatalyst board is close to the inlet end of casing. The utility model has the advantages that: the vacuum pump makes the sewage suction chamber be negative pressure, sewage gets into the sewage suction chamber through the sewage suction pipe under atmospheric pressure's effect, and the waste gas that sewage produced in the sewage suction chamber is radiated the decomposition after ultraviolet lamp when flowing through photocatalyst board, discharges into the atmosphere again and has protected the environment.

Description

Air intake and exhaust filtering system of sewage suction truck

Technical Field

The utility model relates to a special vehicle technical field, especially a soil pick-up car advances exhaust filtration system.

Background

The sewage suction truck can self-suck and self-discharge, realizes the collection and the transfer of sludge, sewage and the like, and the sewage suction device is the core of the sewage suction truck. In the sewage suction truck, most sewage suction devices comprise a sewage tank, a sewage suction pipe connected to the sewage tank, a vacuum pressure system and the like, when sewage is sucked, the sewage suction pipe extends into a sewage pool or an inspection well, the vacuum pressure system acts on the sewage tank to discharge air in the sewage tank, sewage, sludge and the like enter the sewage tank through the sewage suction pipe under the action of atmospheric pressure after the pressure in the sewage tank is reduced to a certain degree, then the sewage truck transports sewage stored in the sewage tank to a discharge place, then the sewage suction pipe is placed into a discharge pool, the vacuum pressure system acts on the sewage tank to enable external air to enter the sewage tank, and the sewage, the sludge and the like in the sewage tank are discharged into the discharge pool through the sewage pipe after the sewage tank obtains a certain positive pressure. The sewage suction truck has the advantages of high working speed, large capacity and convenient transportation, and is suitable for collecting and transporting liquid substances such as excrement, slurry, crude oil and the like. The vacuum pump of the sewage suction truck with advanced domestic technology is adopted, so that the suction force is large, the suction distance is long, and the vacuum pump is particularly suitable for suction, loading, transportation and discharge of sludge in a sewer.

The existing sewage suction truck has some defects in some aspects and needs further improvement, the existing sewage suction truck is lack of an exhaust gas treatment device, and exhaust gas in a tank body of the existing sewage suction truck is directly discharged to the atmosphere to pollute the environment without being treated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a soil pick-up car advances exhaust filtration system to solve the problem that current soil pick-up car waste gas is untreated.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a soil pick-up car advances exhaust filtration system, is including the jar body and the vacuum pump that have the cover, jar body with the vacuum pump is all installed on the soil pick-up car frame, the vacuum pump pass through the pipeline with the inner chamber intercommunication of the jar body, still install the soil pick-up pipe on the jar body, be provided with the outlet duct on the jar body, install gas treater on the outlet duct, gas treater includes the casing, the inlet end of casing is located its both ends respectively with the end of giving vent to anger, be provided with photocatalyst plate and ultraviolet lamp in the casing, the photocatalyst plate is close to the inlet end of casing.

Preferably, the photocatalyst plate is of a honeycomb structure, and the photocatalyst plate is coated with titanium dioxide.

Preferably, the tank body is hinged to a frame of the sewage suction truck, the frame of the sewage suction truck is further hinged to a pair of first hydraulic cylinders, the pair of first hydraulic cylinders are respectively located on two sides of the tank body, piston rods of the first hydraulic cylinders are hinged to the tank body, the irrigation cover is hinged to the tank body, a pair of second hydraulic cylinders are hinged to side walls of the tank body, the second hydraulic cylinders are respectively located on two sides of the tank body, and piston rods of the second hydraulic cylinders are hinged to the irrigation cover.

Preferably, the sewage suction pipe is provided with a check head at a water inlet end, the check head comprises an outer pipe with one end closed and an inner pipe with two ends closed, one end of the inner pipe is inserted into the closed end of the outer pipe, a vacuum chamber is formed between the inner wall of the outer pipe and the outer wall of the inner pipe, the inner chamber of the inner pipe is divided into a sludge inlet chamber and a sludge outlet chamber by a first partition plate, the sludge outlet chamber is divided into a first volume change chamber and a second volume change chamber by an elastic partition plate, the inner wall of the first volume change chamber is provided with a first through hole communicated with the vacuum chamber, the first partition plate is provided with a second through hole communicated with the first volume change chamber and the sludge inlet chamber, the inner wall of the sludge inlet chamber is further provided with a third through hole, the third through hole is positioned outside the vacuum chamber, the sludge inlet chamber is provided with a steel ball blocking the second through hole, and the sludge inlet chamber is further provided with a spring tightly abutting against the steel, and an ejector rod is arranged on the elastic partition plate, and one end of the ejector rod, which is far away from the elastic partition plate, abuts against the steel ball.

Preferably, a supporting plate is further arranged in the first volume change cavity, and the ejector rod penetrates through the supporting plate and abuts against the steel ball.

Preferably, both ends of the inner pipe are detachably provided with end covers.

Preferably, the both ends of outer tube are provided with the ring flange respectively, are located the outer tube blind end demountable installation has the filter frame on the ring flange, another the ring flange with the end connection of intaking of soil pick-up pipe, install the filter screen on the filter frame, the inner tube is located filter frame is interior.

The utility model has the advantages of it is following:

1. the vacuum pump makes the sewage suction chamber be negative pressure, sewage gets into the sewage suction chamber through the sewage suction pipe under atmospheric pressure's effect, and the waste gas that sewage produced in the sewage suction chamber is radiated the decomposition after ultraviolet lamp when flowing through photocatalyst board, discharges into the atmosphere again and has protected the environment.

2. Open the cover through the second pneumatic cylinder and carry out the blowdown, the slope of jar body is flowed out outside the jar along the inclined plane of jar body with the first pneumatic cylinder of rethread, the silt of jar body bottom, has avoided jar body blowdown not thorough.

3. The negative pressure is formed along with the discharge of air in the vacuum chamber, the air in the first volume change cavity is made to enter the vacuum chamber, the air pressure in the first volume change cavity is smaller than the pressure in the second volume change cavity at the moment, the elastic partition board gradually deforms, so that the volume of the first volume change cavity is reduced, the elastic partition board pushes the ejector rod to push the steel ball away from the second through hole when deforming, the first volume change cavity is communicated with the mud inlet cavity, the air flow of the mud inlet cavity moving towards the first volume change cavity is formed, the sludge outside the inner pipe enters the mud inlet cavity under the action of the atmospheric pressure, when the vacuum chamber stops exhausting, the atmospheric pressure of the first volume cavity is recovered, the spring enables the steel ball to block the second through hole again, the sludge in the sludge pipe is prevented from falling, and meanwhile, the elastic partition board recovers under the action of the ejector rod pushed.

4. The backup pad leads to the ejector pin, avoids ejector pin reciprocating motion to appear the deviation, leads to unable back-open steel ball, causes to prevent silt backward flow and became invalid.

5. The filter screen avoids that massive stones or weed branches and the like block the third through hole, thereby causing that the sludge can not enter the sludge inlet cavity.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a gas processor;

FIG. 3 is a schematic view of the installation structure of the horizontal screw centrifuge;

FIG. 4 is a schematic view of a check structure;

FIG. 5 is a schematic cross-sectional view of FIG. 3;

in the figure, 1-an outer pipe, 2-an inner pipe, 3-a vacuum chamber, 4-a first clapboard, 5-a sludge inlet chamber, 6-an elastic clapboard, 7-a first volume change chamber, 8-a second volume change chamber, 9-a first through hole, 10-a second through hole, 11-a third through hole, 12-a steel ball, 13-a spring, 14-a mandril, 15-a support plate, 16-an end cover, 17-a flange plate, 18-a filter frame, 19-a filter screen, 20-a tank body, 21-a vacuum pump, 22-a tank cover, 23-a sludge suction chamber, 24-a sludge-water separation chamber, 25-a sludge storage chamber, 26-a water storage chamber, 27-a horizontal spiral centrifugal machine, 28-a sludge suction pipe, 29-a first hydraulic cylinder and 30-a second hydraulic cylinder, 31-check head, 32-gas processor, 33-shell, 34-photocatalyst plate, 35-ultraviolet lamp.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

As shown in fig. 1-5, an intake and exhaust filtering system for a sewage suction truck comprises a tank 20 having a tank cover 22 and a vacuum pump 21, wherein the tank 20 and the vacuum pump 21 are both mounted on a frame of the sewage suction truck, the vacuum pump 21 is communicated with an inner cavity of the tank 20 through a pipeline, a sewage suction pipe is further mounted on the tank 20, an air outlet pipe is arranged on the tank 20, a gas processor 32 is mounted on the air outlet pipe, the gas processor 32 comprises a housing 33, an air inlet end and an air outlet end of the housing 33 are respectively located at two ends of the housing, a photocatalyst plate 34 and an ultraviolet lamp 35 are arranged in the housing 33, the photocatalyst plate 34 is close to the air inlet end of the housing 33, the photocatalyst plate 34 is in a honeycomb structure, titanium dioxide is coated on the photocatalyst plate 34, when exhaust flows through the photocatalyst plate 34, ultraviolet radiation is performed, the exhaust is decomposed.

It is worth mentioning that: the inner cavity of the tank body 20 comprises a sewage suction cavity 23, a sludge-water separation cavity 24, a sludge storage cavity 25 and a water storage cavity 26, each cavity is in a closed state by closing the tank cover 22, the sewage suction cavity 23 is connected with the vacuum pump 21 through a pipeline, the tank body 20 is also provided with a sewage suction pipe 28 communicated with the sewage suction cavity 23, the sewage suction cavity 23 is in negative pressure through the vacuum pump 21, sewage enters the sewage suction cavity 23 through the sewage suction pipe 28 under the action of atmospheric pressure, the sludge-water separation cavity 24 is internally provided with a horizontal spiral centrifuge 27, the vacuum pump 21, the ultraviolet lamp, the horizontal spiral centrifuge 27 and the like are all powered by a power supply on a vehicle or a vehicle-mounted generator, the sludge-water separation cavity is provided with a through hole (not shown) for heat dissipation and a channel for a power cord, the feed end of the horizontal spiral centrifuge 27 is communicated with the sewage suction cavity 23, the horizontal spiral centrifuge 27 is communicated with the sludge storage cavity 25, and the, install the check valve on the pipeline of connecting horizontal helical centrifuge 27's feed end and soil pick-up chamber 23, make sewage flow to horizontal helical centrifuge 27 by soil pick-up chamber 23, it is not enough to avoid the interior negative pressure of soil pick-up chamber 23 among the soil pick-up process, lead to sewage can't get into soil pick-up chamber 23, the muddy water after horizontal helical centrifuge 27 separation is saved respectively in storing up mud chamber 25 and water storage chamber 26, sewage treatment work efficiency has been improved, and store up and all install the outlet duct on mud chamber 25 and the water storage chamber 26, the outlet duct on two cavitys passes through the three-way pipe and is connected, the other end of three-way pipe is connected with the inlet end of casing, waste gas discharges the atmosphere again after getting into the casing and handling, avoid causing environmental.

In the embodiment, as shown in fig. 1 to 5, the tank body 20 is hinged to a frame of the sewage suction truck, the frame of the sewage suction truck is further hinged to a pair of first hydraulic cylinders 29, the pair of first hydraulic cylinders 29 are respectively located on two sides of the tank body 20, a piston rod of the first hydraulic cylinder 29 is hinged to the tank body 20, the tank cover is hinged to the tank body 20, a pair of second hydraulic cylinders 30 are hinged to side walls of the tank body 20, the second hydraulic cylinders 30 are respectively located on two sides of the tank body 20, a piston rod of the second hydraulic cylinder 30 is hinged to the tank cover, the tank cover 22 is opened through the second hydraulic cylinder 30 to discharge sewage, the tank body 20 is tilted through the first hydraulic cylinder 29, and sludge at the bottom of the tank body 20 flows out of the tank along.

In this embodiment, as shown in fig. 1-5, a check head 31 is installed at a water inlet end of the sewage suction pipe 28, the check head 31 includes an outer pipe 1 with a closed end and an inner pipe 2 with a closed end, one end of the inner pipe 2 is inserted into the closed end of the outer pipe 1, a vacuum chamber 3 is formed between an inner wall of the outer pipe 1 and an outer wall of the inner pipe 2, an inner cavity of the inner pipe 2 is divided into a sludge inlet cavity 5 and a sludge outlet cavity by a first partition plate 4, the sludge outlet cavity is divided into a first volume change cavity 7 and a second volume change cavity 8 by an elastic partition plate 6, the elastic partition plate 6 is fixedly disposed in the sludge outlet cavity and concaved to the second volume change cavity 8, first through holes 9 communicated with the vacuum chamber 3 are disposed on the inner wall of the first volume change cavity 7, the first through holes 9 are a plurality of those and uniformly distributed around an axial lead of the inner pipe 2, second through holes 10 communicating the first volume change cavity 7 with, the inner wall of the mud inlet cavity 5 is also provided with a third through hole 11, the third through hole 11 is positioned outside the vacuum chamber 3, the third through holes 11 are a plurality of and are uniformly distributed around the axial lead of the inner pipe 2, steel balls 12 for blocking the second through hole 10 are arranged in the mud inlet cavity 5, a spring 13 for tightly supporting the steel balls 12 is also arranged in the mud inlet cavity 5, an ejector rod 14 is arranged on the elastic partition plate 6, one end of the ejector rod 14, far away from the elastic partition plate 6, is supported on the steel balls 12, negative pressure is formed by exhausting air in the vacuum chamber 3 to the greatest extent along with the vacuum pump, the air in the first volume change cavity 7 enters the vacuum chamber 3, the air pressure in the first volume change cavity 7 is smaller than the pressure in the second volume change cavity 8, the elastic partition plate 6 is gradually deformed so as to reduce the volume of the first volume change cavity 7, and the elastic partition plate 6 pushes the ejector rod 14 to push the steel balls 12 away from the second through hole, the first volume change cavity 7 is communicated with the sludge inlet cavity 5 to form airflow moving from the sludge inlet cavity 5 to the first volume change cavity 7, sludge outside the inner pipe 2 enters the sludge inlet cavity 5 under the action of atmospheric pressure, when the vacuum chamber 3 stops exhausting, the first volume change cavity 7 recovers atmospheric pressure, the spring 13 enables the steel ball 12 to block the second through hole 10 again, the sludge in the sludge pipe is prevented from falling off, and meanwhile, the elastic partition plate 6 is restored under the action of the ejector rod 14 pushed by the spring 13.

In this embodiment, as shown in fig. 1 to 5, a supporting plate 15 is further disposed in the first volume change chamber 7, the ejector rod 14 passes through the supporting plate 15 and abuts against the steel ball 12, the supporting plate 15 is fixedly disposed in the first volume change chamber 7, a guide hole is formed in the center of the supporting plate for the ejector rod 14 to pass through, and a sludge channel is formed around the guide hole, the supporting plate 15 guides the ejector rod 14, so that the situation that the ejector rod 14 deviates due to reciprocating motion to cause incapability of ejecting the steel ball 12 and cause backflow failure of sludge prevention and the flow of sludge is not hindered is avoided.

In this embodiment, as shown in fig. 1-5, both ends of the inner tube 2 can be detachably mounted with end caps 16, and the end caps 16 are screwed with the inner tube 2 to facilitate replacement of damaged parts inside the tube.

In this embodiment, as shown in fig. 1 to 5, two ends of the outer tube 1 are respectively provided with a flange 17, a filter frame 18 is detachably mounted on the first flange 17 at the closed end of the outer tube 1, a filter screen 19 is mounted on the filter frame 18, the inner tube 2 is located in the filter frame 18, the filter screen 19 prevents massive stones or weed branches from blocking the third through hole 11, so that sludge cannot enter the sludge inlet cavity 5, the outer tube 1 is mounted at the feed end of the sewage suction pipe 28 through the flange 17, and air in the vacuum chamber 3 is discharged when the sewage suction truck works through a vacuum pressure system on the sewage suction truck.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a soil pick-up car advances exhaust filtration system, is including the jar body and the vacuum pump that have the cover, jar body with the vacuum pump is all installed on the soil pick-up car frame, the vacuum pump pass through the pipeline with the inner chamber intercommunication of the jar body, still install soil pick-up pipe, its characterized in that on the jar body: the jar is provided with the outlet duct on the body, install gas treater on the outlet duct, gas treater includes the casing, the inlet end of casing is located its both ends respectively with the end of giving vent to anger, be provided with photocatalyst plate and ultraviolet lamp in the casing, photocatalyst plate is close to the inlet end of casing.

2. The intake and exhaust filtering system for the sewage suction truck as claimed in claim 1, wherein: the photocatalyst plate is of a honeycomb structure, and titanium dioxide is coated on the photocatalyst plate.

3. The intake and exhaust filtering system of the sewage suction truck as claimed in claim 1 or 2, wherein: the utility model discloses a sewage suction truck, including a jar body, a cover, a pair of first pneumatic cylinder, a pair of second pneumatic cylinder is located respectively on the lateral wall of the jar body, the jar body articulate on the sewage suction truck frame, it is a pair of first pneumatic cylinder still to articulate on the sewage suction truck frame the both sides of the jar body, the piston rod of first pneumatic cylinder with the cover is articulated.

4. The intake and exhaust filtering system for the sewage suction truck as claimed in claim 3, wherein: the sewage suction pipe is characterized in that a check head is installed at the water inlet end of the sewage suction pipe, the check head comprises an outer pipe with one end sealed and an inner pipe with two ends sealed, one end of the inner pipe is inserted into the sealed end of the outer pipe, a vacuum chamber is formed between the inner wall of the outer pipe and the outer wall of the inner pipe, the inner cavity of the inner pipe is divided into a sludge inlet cavity and a sludge outlet cavity through a first partition plate, the sludge outlet cavity is divided into a first volume change cavity and a second volume change cavity through an elastic partition plate, a first through hole communicated with the vacuum chamber is formed in the inner wall of the first volume change cavity, a second through hole communicated with the first volume change cavity and the sludge inlet cavity is formed in the first partition plate, a third through hole is further formed in the inner wall of the sludge inlet cavity, the third through hole is located outside the vacuum chamber, a steel ball blocking the second through hole is installed in the sludge inlet cavity, and a spring tightly supporting the steel, and an ejector rod is arranged on the elastic partition plate, and one end of the ejector rod, which is far away from the elastic partition plate, abuts against the steel ball.

5. The intake and exhaust filtering system for the sewage suction truck as claimed in claim 4, wherein: the first volume change cavity is also provided with a supporting plate, and the ejector rod penetrates through the supporting plate and abuts against the steel balls.

6. The intake and exhaust filtering system for the sewage suction truck as claimed in claim 5, wherein: and end covers are detachably arranged at two ends of the inner pipe.

7. The intake and exhaust filtering system for the sewage suction truck as claimed in claim 6, wherein: the both ends of outer tube are provided with the ring flange respectively, are located the outer tube blind end demountable installation has the filter frame on the ring flange, another the ring flange with the end connection of intaking of soil pick-up pipe, install the filter screen on the filter frame, the inner tube is located filter frame is interior.