CN213838712U

CN213838712U - Diesel vehicle tail gas purification device

Info

Publication number: CN213838712U
Application number: CN202022671607.6U
Authority: CN
Inventors: 随伟; 王金其; 颜丙冬
Original assignee: Shandong Keyuan Automobile Tail Gas Purifying System Co ltd
Current assignee: Shandong Keyuan Automobile Tail Gas Purifying System Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-07-30
Anticipated expiration: 2030-11-18

Abstract

The utility model relates to the field of tail gas treatment, in particular to a diesel vehicle tail gas purification device, which comprises an upper shell and a lower shell, wherein the upper shell and the lower shell are movably jointed, the middle positions of the outer sides of the upper shell and the lower shell are respectively provided with a locking mechanism, the two ends of the upper shell and the lower shell are respectively symmetrically provided with an arc plate, the outer sides of the arc plates are sequentially communicated with an air inlet pipe and an exhaust pipe from top to bottom, the outer side of the air inlet pipe is sleeved with a flange plate near the edge, the inner side of the lower shell is sequentially provided with a gas collecting mechanism and a purification mechanism from top to bottom, the purification mechanism comprises a round pedestal which is symmetrically arranged on the inner wall of the lower shell and is near the lower part of the gas collecting mechanism, and the two ends of the round pedestal are respectively provided with a limiting mechanism, the utility model has simple structure, can be widely used as a tail gas treatment and purification device of various diesel engines.

Description

Diesel vehicle tail gas purification device

Technical Field

The utility model relates to a tail gas treatment field especially relates to a diesel vehicle tail gas cleanup unit.

Background

The exhaust gas generated by burning diesel mainly contains nitrogen oxides, sulfur oxides, carbon monoxide, carbon dioxide, aldehydes and a large amount of black smoke generated in incomplete combustion, wherein the black smoke contains unburnt oil mist, free carbon particles generated by thermal decomposition of part of hydrocarbons, some heterocyclic and aromatic hydrocarbon substances with high boiling points and some carcinogens, if the harmful gases are discharged into the air without treatment, pollution is caused, the existing exhaust gas purifying device has poor purifying effect, the exhaust gas cannot be sufficiently treated and discharged, although the discharge capacity is low, the environment is also polluted, and therefore, the diesel vehicle exhaust gas purifying device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the tail gas purifying device has poor purifying effect and can not fully treat tail gas and then discharge the tail gas, although the discharge capacity is low, the environment is polluted equally, and the tail gas purifying device for the diesel vehicle is provided.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a diesel vehicle tail gas purification device comprises an upper shell and a lower shell, wherein the upper shell and the lower shell are movably jointed, the middle positions of the outer sides of the upper shell and the lower shell are both provided with locking mechanisms, the two ends of the upper shell and the lower shell are both symmetrically provided with arc-shaped plates, the outer sides of the four arc-shaped plates are sequentially communicated with an air inlet pipe and an air outlet pipe from top to bottom, a flange plate is sleeved at the position, close to the edge, of the outer side of the air inlet pipe, a gas collecting mechanism and a purifying mechanism are sequentially arranged at the inner side of the lower shell from top to bottom, the purification mechanism comprises circular bases which are symmetrically arranged on the inner wall of the lower shell and are close to the lower part of the gas collection mechanism, two ends of each circular base are respectively provided with a limiting mechanism, a purification chamber is arranged between the two circular bases, the inside of the purifying chamber is filled with a plurality of adsorption balls, the inner wall of the purifying chamber is processed with an adsorption layer, and the exhaust pipe is communicated with the purifying chamber.

Preferably, the locking mechanism comprises arc sleeves symmetrically sleeved on the outer sides of the upper shell and the lower shell, and the joints of the two arc sleeves are fixedly connected through bolts.

Preferably, the gas collection mechanism comprises a gas collection chamber fixedly connected to the inner wall of the lower shell, a fixing ring is arranged at the bottom end of the gas collection chamber, a lifting mechanism is arranged on the outer side of the fixing ring, and the gas inlet pipe is communicated with the gas collection chamber.

Preferably, the limiting mechanism comprises a filter plate clamped at one end of the circular pedestal, and a plurality of groups of filter holes are formed in the outer side of the filter plate.

Preferably, the lifting mechanism comprises four lifting plates, the number of the lifting plates is four, the four lifting plates are clamped on the outer side of the fixing ring at equal intervals along the circumference, the bottom ends of the lifting plates extend out of the bottom plate, and the bottom plate is attached to the bottom end of the filter element.

Preferably, the joint surfaces at two ends of the upper shell and the lower shell are both provided with sealing gaskets.

Compared with the prior art, the utility model discloses following beneficial effect has: through set up filtering mechanism and purification mechanism in the casing down, tail gas substep with diesel vehicle emission that can be abundant is handled, begin to handle solid particle from filtering mechanism earlier, most solid particle in the filtration reducible tail gas through the filter core, and harmful gas, filter the end back, then gaseous exhaust gas flow is followed, flow to the inside of clean room, through the absorption of adsorbed layer and adsorption ball, can fully cancel to the harmful gas in the tail gas, adsorption ball can be according to the air current and flow scurries at the inner wall of clean room, carry out comprehensive absorption to harmful gas, thereby discharge harmless gas from blast pipe department.

Through setting up casing and lower casing and arc cover, the flexible part to the device inside of later stage of can being convenient for is maintained and is changed.

Drawings

FIG. 1 is a schematic structural view of a diesel vehicle exhaust gas purification device of the present invention;

FIG. 2 is a sectional view of a partial structure of a diesel vehicle exhaust gas purifying device of the present invention;

fig. 3 is a sectional view of a part of the structure of the tail gas purifying device for a diesel vehicle.

In the figure: 1. an upper housing; 2. an arc-shaped plate; 3. an air inlet pipe; 4. an exhaust pipe; 5. an arc-shaped sleeve; 6. a flange plate; 7. a gas collection chamber; 8. a fixing ring; 9. a lifting plate; 10. a filter element; 11. filtering holes; 12. a clean room; 13. adsorbing the ball; 14. filtering the plate; 15. a round pedestal; 16. a base plate; 17. a lower housing.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in figures 1-3, a diesel vehicle exhaust purification device comprises an upper casing 1 and a lower casing 17, wherein the upper casing 1 and the lower casing 17 are movably jointed, a locking mechanism is arranged at the middle position of the outer sides of the upper casing 1 and the lower casing 17, arc-shaped plates 2 are symmetrically arranged at the two ends of the upper casing 1 and the lower casing 17, the outer sides of the four arc-shaped plates 2 are sequentially communicated with an air inlet pipe 3 and an air outlet pipe 4 from top to bottom, a flange 6 is sleeved at the position, close to the edge, of the outer side of the air inlet pipe 3, a gas collecting mechanism and a purification mechanism are sequentially arranged at the inner side of the lower casing 17 from top to bottom, the purification mechanism comprises circular bases 15 symmetrically arranged at the inner wall of the lower casing 17, close to the lower part of the gas collecting mechanism, limiting mechanisms are arranged at the two ends of the two circular bases 15, a purification chamber 12 is arranged between the two circular bases 15, a plurality of adsorption balls 13 are filled in the purification chamber 12, and an adsorption layer is processed on the inner wall of the purification chamber 12, the exhaust pipe 4 is communicated with the purifying chamber 12, the adsorption layer can be a common activated carbon layer or a common fiber layer, and the circular platform seat 15 can facilitate installation of the purifying chamber 12, so that the purifying chamber 12 can partially treat the tail gas.

Locking mechanism establishes the arc cover 5 in the last casing 1 and the casing 17 outside down including the symmetry cover, and two arc cover 5 junctions pass through bolt fixed connection, and two arc covers 5 can be assembled last casing 1 and casing 17 down to be convenient for the later stage change and maintain inside part.

The gas collection mechanism comprises a gas collection chamber 7 fixedly connected to the inner wall of the lower shell 17, a fixing ring 8 is arranged at the bottom end of the gas collection chamber 7, a lifting mechanism is arranged on the outer side of the fixing ring 8, the gas inlet pipe 3 is communicated with the gas collection chamber 7, and the gas collection chamber 7 can be used for conveniently collecting tail gas exhausted from a vehicle exhaust pipe in a centralized manner so that the tail gas is exhausted through the filtering mechanism.

The limiting mechanism comprises a filter plate 14 clamped at one end of a circular pedestal 15, a plurality of groups of filter holes 11 are formed in the outer side of the filter plate 14, on one hand, the filter plate 14 can filter solid particles, on the other hand, the limiting mechanism can limit the adsorption balls 13, and the adsorption balls 13 are prevented from flowing out of the purification chamber 12.

The lifting mechanism comprises lifting plates 9, the number of the lifting plates 9 is four, and the four lifting plates 9 are all clamped outside the fixing ring 8 along the circumference at equal intervals, a bottom plate 16 is extended from the bottom ends of the four lifting plates 9, the four bottom plates 16 are attached to the bottom end of the filter element 10, the lifting plates 9 can support the filter element 10, the filter element 10 can be clamped by the bottom plate 16, shaking during driving of a vehicle can be prevented, the filter element 10 is dropped, when the filter element 10 is replaced, separation of the upper shell 1 and the lower shell 17 is achieved, the lifting plates 9 can flexibly move, and the filter element 10 is taken out and replaced.

Go up casing 1 and casing 17 both ends binding face down and all be provided with sealed the pad, sealed the leakproofness when can strengthen casing 1 and casing 17 both installations down, reduce the leakage of tail gas.

When the diesel vehicle runs, the tail gas can be fully treated, enters the diesel vehicle through the air inlet pipe 3, the gas is collected by the gas collection chamber 7, all harmful gas firstly passes through the filter element 10, most solid particles in the tail gas can be reduced by the filter element 10 after the filter element 10 filters the harmful gas, after the primary filtration is finished, the gas flows to the inside of the purifying chamber 12 along with the exhaust gas flow, the harmful gas in the tail gas can be fully eliminated through the adsorption of the adsorption layer and the adsorption balls 13, the adsorption balls 13 can move on the inner wall of the purifying chamber 12 according to the gas flow, the harmful gas is comprehensively absorbed, and the harmless gas is discharged from the exhaust pipe 4 through the process.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The diesel vehicle tail gas purification device comprises an upper shell (1) and a lower shell (17), and is characterized in that the upper shell (1) and the lower shell (17) are movably attached, locking mechanisms are arranged at the middle positions of the outer sides of the upper shell (1) and the lower shell (17), arc plates (2) are symmetrically arranged at the two ends of the upper shell (1) and the lower shell (17), the outer sides of the four arc plates (2) are sequentially communicated with an air inlet pipe (3) and an exhaust pipe (4) from top to bottom, a flange plate (6) is sleeved at the position, close to the edge, of the outer side of the air inlet pipe (3), a gas collection mechanism and a purification mechanism are sequentially arranged at the inner side of the lower shell (17) from top to bottom, the purification mechanism comprises round pedestal (15) which is symmetrically arranged at the inner wall of the lower shell (17) and is close to the lower part of the gas collection mechanism, and limiting mechanisms are arranged at the two ends of the round pedestal (15), two be provided with clean room (12) between round pedestal (15), clean room (12) inboard is filled up and is equipped with many adsorption balls (13), the inner wall processing of clean room (12) has the adsorbed layer, blast pipe (4) are linked together with clean room (12).

2. The diesel vehicle exhaust purification device according to claim 1, wherein the locking mechanism comprises arc-shaped sleeves (5) symmetrically sleeved on the outer sides of the upper shell (1) and the lower shell (17), and the joints of the two arc-shaped sleeves (5) are fixedly connected through bolts.

3. The diesel vehicle tail gas purification device according to claim 1, wherein the gas collection mechanism comprises a gas collection chamber (7) fixedly connected to the inner wall of the lower housing (17), a fixing ring (8) is arranged at the bottom end of the gas collection chamber (7), a lifting mechanism is arranged outside the fixing ring (8), and the gas inlet pipe (3) is communicated with the gas collection chamber (7).

4. The diesel vehicle tail gas purification device according to claim 1, wherein the limiting mechanism comprises a filter plate (14) clamped at one end of a circular base (15), and a plurality of groups of filter holes (11) are formed in the outer side of the filter plate (14).

5. The diesel vehicle tail gas purification device according to claim 3, wherein the lifting mechanism comprises four lifting plates (9), the number of the lifting plates (9) is four, the four lifting plates (9) are clamped on the outer side of the fixing ring (8) at equal intervals along the circumference, a bottom plate (16) extends from the bottom end of each lifting plate (9), and the four bottom plates (16) are attached to the bottom end of the filter element (10).

6. The diesel vehicle exhaust purification device according to claim 1, wherein the joint surfaces at both ends of the upper casing (1) and the lower casing (17) are provided with sealing gaskets.