Device and method for purifying particulate matters in tail gas of heavy diesel vehicle

Abstract

The invention discloses a heavy diesel vehicle tail gas particulate matter purification device and method, and relates to the technical field of diesel vehicle tail gas treatment devices.The left side inner cavity of a rack is an adsorption cavity, the right side inner cavity of the rack is a decomposition cavity, and a plurality of main adsorption plates are arranged in the adsorption cavity of the rack at equal intervals front and back; the multiple auxiliary adsorption plates are arranged in the decomposition cavity of the rack at equal intervals in the front-back direction, the partition plates are inserted into the rack and located between the adsorption cavity and the decomposition cavity of the rack, and the multiple upper air inlet partition plates are arranged in the adsorption cavity of the rack at equal intervals in the front-back direction. A plurality of lower air inlet partition plates are arranged in the adsorption cavity of the rack at equal intervals front and back; the tail gas adsorption collection and catalytic treatment device is installed at the tail end of an existing diesel locomotive tail gas emission structure, and an independent working space structure is adopted for adsorption and catalytic treatment, so that particulate matter in the tail gas is adsorbed and collected, and then the particulate matter is sent to an independent catalytic decomposition interval for decomposition treatment.

Description

Technical Field

[0001] The present invention relates to the technical field of diesel vehicle exhaust treatment devices, and in particular to a device and method for purifying exhaust particulate matter of a heavy-duty diesel vehicle. Background Art

[0002] Heavy-duty diesel vehicles use diesel internal combustion engines as engines to drive them. The fuel of diesel engines is standard diesel. Compared with gasoline of the same quality, diesel has the advantage of high calorific value, which makes the diesel engine have a more powerful output power and can tow heavy vehicles and equipment. However, diesel engine liquid oil has an obvious disadvantage. When the diesel engine is working at a critical value for a long time, the incomplete combustion of its diesel will cause the emission of exhaust gas containing a large amount of solid and gaseous waste. Although the existing diesel engines have mature purification structures for exhaust gas purification, it is inevitable that under overload working conditions, large-size particles will still be blown out along with the exhaust gas if they are not completely treated. Therefore, in response to the above problems, it is also necessary to install a device for treating exhaust particulate matter on heavy-duty diesel vehicles to ensure that the exhaust gas emitted by diesel vehicles meets environmental emission standards. Summary of the invention

[0003] The purpose of the present invention is to address the defects and shortcomings of the prior art and provide a heavy-duty diesel vehicle exhaust particulate matter purification device and method, which installs an exhaust gas adsorption, collection and catalytic treatment device at the end of the existing diesel locomotive exhaust emission structure, and the adsorption and catalytic treatment adopt an independent working space structure, thereby achieving the adsorption and collection of particulate matter therein, and then sending it to an independent catalytic decomposition area for decomposition treatment.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] It comprises a shell and a frame, wherein the frame is fixedly arranged inside the shell, the left inner cavity of the frame is an adsorption cavity, and the right inner cavity of the frame is a decomposition cavity; it also comprises:

[0006] An adsorption mechanism, wherein the adsorption mechanism is arranged in the frame;

[0007] A sealing mechanism, wherein the sealing mechanism is arranged inside the housing and cooperates with the adsorption chamber and the decomposition chamber of the frame;

[0008] The air guide mechanism is arranged in the adsorption chamber of the frame.

[0009] Preferably, the adsorption mechanism comprises:

[0010] Mounting sleeves, the mounting sleeves are two and are integrally formed and arranged on the front and rear sides of the top plate of the frame;

[0011] A support shaft, wherein the support shaft is arranged in the frame, and the support shaft is arranged between the adsorption chamber and the decomposition chamber of the frame, and the front and rear ends of the support shaft are respectively fixedly arranged on the mounting sleeves on the front and rear sides;

[0012] Main adsorption plates, wherein the main adsorption plates are arranged in a plurality and arranged in an equidistant manner in the front and rear in the adsorption chamber of the frame;

[0013] Auxiliary adsorption plates, wherein the auxiliary adsorption plates are in plurality and are arranged in a front-to-back equidistant manner in the decomposition chamber of the frame, and the auxiliary adsorption plates correspond to the main adsorption plates one by one and are arranged in a front-to-back staggered manner.

[0014] Preferably, a main connecting sleeve is fixedly provided on the main adsorption plate, and the main connecting sleeve is arranged on the support shaft through a bearing rotation sleeve, a secondary connecting sleeve is fixedly provided on the secondary adsorption plate, and the secondary connecting sleeve is arranged on the support shaft through a bearing rotation sleeve, and adjacent end surfaces of adjacent main connecting sleeves and secondary connecting sleeves are movably abutted against each other.

[0015] Preferably, a main connecting pin is fixedly arranged on the main connecting sleeve, and a main waist-shaped hole is opened on the main connecting sleeve, a secondary connecting pin is fixedly arranged on the secondary connecting sleeve, and a secondary waist-shaped hole is opened on the secondary connecting sleeve, the main connecting pin is inserted into the secondary waist-shaped hole, and the front end of the main connecting pin passes through the mounting sleeve arrangement on the front side, the secondary connecting pin is inserted into the main waist-shaped hole, and the front end of the secondary connecting pin passes through the mounting sleeve arrangement on the front side, a lifting hydraulic rod is fixedly arranged on the outer shell, a lifting seat is fixedly arranged on the output shaft of the lifting hydraulic rod, and two connecting rods are rotated on the lifting seat through a rotating shaft, the upper end of one connecting rod is rotated on the main connecting pin through a bearing, and the upper end of the other connecting rod is rotated on the secondary connecting pin through a bearing.

[0016] Preferably, the sealing mechanism comprises:

[0017] A lifting frame, wherein the lifting frame is arranged inside the shell and below the frame;

[0018] Lower sealing plates, the lower sealing plates are two and are fixedly arranged on the upper side wall of the lifting frame in a left-right symmetrical manner, the lower sealing plate on the left side is movably embedded in the lower port of the adsorption chamber of the frame, and the lower sealing plate on the right side is movably embedded in the lower port of the decomposition chamber of the frame;

[0019] A middle partition, wherein the middle partition is movably inserted into the lifting frame, and the middle partition is inserted into the frame and located between the adsorption chamber and the decomposition chamber of the frame, the side edge of the main adsorption plate is abutted against the left side wall of the middle partition, and the side edge of the auxiliary adsorption plate is abutted against the right side wall of the middle partition;

[0020] A lifting hydraulic rod is fixedly arranged on the lower inner wall of the shell, and an output shaft of the lifting hydraulic rod is fixedly arranged on the middle partition plate.

[0021] Preferably, a lifting gear is rotatably provided on the lifting frame through a rotating shaft, a main transmission rack is fixedly provided on the middle partition plate, and a secondary transmission rack is fixedly provided on the inner wall of the outer shell, the main transmission rack and the secondary transmission rack are respectively located on both sides of the lifting gear, and the main transmission rack and the secondary transmission rack are respectively meshed with the two side edges of the lifting gear.

[0022] Preferably, the air guide mechanism comprises:

[0023] An upper air intake baffle, wherein the upper air intake baffles are arranged in a plurality of pieces and are arranged in an equidistant manner in the front and rear in the adsorption chamber of the frame, and an upper air intake hole is integrally formed on the upper side of the upper air intake baffle;

[0024] The lower air intake baffles are in plurality and are arranged equidistantly in the front and rear in the adsorption chamber of the frame. The lower side of the lower air intake baffles is integrally provided with lower air intake holes. The upper air intake baffles and the lower air intake baffles are arranged alternately one by one, and the main adsorption plate is clamped between the upper air intake baffles and the lower air intake baffles adjacent to each other in the front and rear.

[0025] Preferably, the left port of the frame is covered with two side sealing plates, and the two side sealing plates are symmetrically arranged up and down, the lower air intake baffle is fixedly arranged on the upper side sealing plate, and the upper air intake baffle is fixedly arranged on the lower side sealing plate, and reversing racks are symmetrically fixedly arranged on the upper and lower side sealing plates, and a reversing shaft is rotatably provided on the left inner wall of the shell through a bearing, and a reversing gear is fixedly provided on the reversing shaft, and the reversing gear is arranged between the reversing racks on the upper and lower sides, and the reversing gear is meshed with the reversing racks on the upper and lower sides, and a transmission shaft is rotatably provided on the inner wall of the shell through a bearing, a worm is fixedly provided on the transmission shaft, and a worm wheel is fixedly provided on the reversing shaft, and the worm and the worm wheel are meshed, and a rotary cylinder is fixedly provided on the inner wall of the shell, and the output shaft of the rotary cylinder is connected to the transmission shaft through a bevel gear set.

[0026] The working method of the device is as follows: when using the device, flanges are connected to the front and rear ports of the adsorption chamber and the front and rear ports of the decomposition chamber on the frame, so that the adsorption chamber of the frame is connected to the vehicle exhaust emission pipeline through the flange of the adsorption chamber, and the decomposition chamber of the frame is connected to the exhaust catalytic decomposition device through the flange of the decomposition chamber, so that the frame is divided into independent adsorption chambers and decomposition chambers that are not interconnected through the cooperation of the middle partition plate, the side sealing plate, and the lower sealing plate, so that the main adsorption plate or the auxiliary adsorption plate is alternately placed in the adsorption chamber to adsorb particulate matter in the exhaust gas, and the main adsorption plate or the auxiliary adsorption plate with adsorbed particulate matter is placed in the decomposition chamber to process the adsorbed and collected particulate matter;When switching the main adsorption plate or the auxiliary adsorption plate to be placed in the adsorption chamber, first, move the lower sealing plate downward from the lower side of the frame, and pull the middle partition plate out of the frame and move it downward, and drive the middle partition plate to move downward through the jacking hydraulic rod. The middle partition plate moves downward and drives the main transmission rack to move downward, and the main transmission rack drives the lifting gear to rotate so that the lifting gear slides downward on the auxiliary transmission rack, so that the lifting gear drives the lifting frame to descend, so as to drive the lower sealing plate to move downward through the lifting frame, and the downward movement distance of the middle partition plate is twice the downward movement distance of the lifting frame, so that after the middle partition plate and the lower sealing plate move downward, the main adsorption The attachment plate and the auxiliary adsorption plate rotate and move, and then, the lifting seat is pushed to move by the lifting hydraulic rod, and the lifting seat drives the two connecting rods to move, so that the two connecting rods respectively push the main connecting sleeve to rotate on the support shaft through the main connecting pin, and push the auxiliary connecting sleeve to rotate on the support shaft through the auxiliary connecting pin, and the rotation direction of the main connecting sleeve is opposite to that of the auxiliary connecting sleeve, so that the main connecting sleeve drives the main adsorption plate to rotate, and the auxiliary connecting sleeve drives the auxiliary adsorption plate to rotate, so that the main adsorption plate enters the adsorption chamber and the auxiliary adsorption plate enters the decomposition chamber, or the main adsorption plate enters the decomposition chamber and the auxiliary adsorption plate enters the adsorption chamber, and then, on the main adsorption plate Or after the auxiliary adsorption plate enters the adsorption chamber, the middle partition plate is pushed upward by the jacking hydraulic rod and inserted into the frame, so that the middle partition plate is clamped between the main adsorption plate and the auxiliary adsorption plate, and the lower sealing plate is embedded in the lower port of the frame, thereby completing the position adjustment of the main adsorption plate and the auxiliary adsorption plate, and then, the rotary cylinder drives the transmission shaft to rotate, the rotary cylinder drives the transmission shaft to rotate, the transmission shaft drives the reversing shaft to rotate through the meshing worm gear and worm, the reversing shaft drives the reversing rack to move through the reversing gear, and the upper and lower reversing racks move in opposite directions, that is, the upper and lower side sealing plates move in opposite directions, thereby making the adsorption of the frame. The upper air intake baffle and the lower air intake baffle in the attached chamber move in opposite directions, so that an upper air intake baffle and a lower air intake baffle cooperate to form a group of front and rear sides of the main adsorption plate located in the adsorption chamber, or the front and rear sides of the auxiliary adsorption plate located in the adsorption chamber, so that the upper air intake hole on the upper side of the upper air intake baffle cooperates with the lower air intake hole on the lower side of the lower air intake baffle, so that the gas between the adjacent upper air intake baffles and the lower air intake baffle enters from one end of the upper side or the lower side and is discharged from the other end, so that the gas flowing through the surface of the main adsorption plate or the auxiliary adsorption plate can cover its surface, so that the particulate matter in the inhaled air is fully adsorbed;

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] 1. The device is provided with alternately placed main adsorption plates and auxiliary adsorption plates, and is provided on the frame through lower sealing plates and middle partition plates to form mutually independent adsorption chambers and decomposition chambers, so that the main adsorption plates and auxiliary adsorption plates are alternately placed in the adsorption chamber or decomposition chamber, so that the particulate matter in the exhaust gas of the diesel vehicle is collected by the main adsorption plates or auxiliary adsorption plates and then sent to the decomposition chamber for subsequent treatment;

[0029] 2. The device is provided with upper air intake baffles and lower air intake baffles arranged alternately in the adsorption chamber, so that after the main adsorption plate or the auxiliary adsorption plate is placed in the adsorption chamber, the main adsorption plate or the auxiliary adsorption plate is clamped by the front and rear upper air intake baffles and the lower air intake baffles to guide the passing airflow, so that the airflow contacts the main adsorption plate or the auxiliary adsorption plate to the maximum extent, so as to fully adsorb and collect the particulate matter;

[0030] 3. The device is provided with a lower sealing plate through a lifting frame, and a middle partition is placed on the lifting frame, so that the middle partition cooperates with the main adsorption plate and the auxiliary adsorption plate on both sides, and the frame is divided into an adsorption chamber and a decomposition chamber. A main transmission rack is provided on the middle partition, and a lifting gear is provided on the lifting frame, and an auxiliary transmission rack is provided on the outer shell, so that the lifting frame can be driven to move up and down synchronously while the middle partition is driven up and down by the jacking hydraulic rod, so as to control the lower sealing plate and the middle partition to move away so that the main adsorption plate and the auxiliary adsorption plate can be switched alternately. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a structural schematic diagram of the present invention.

[0032] Figure 2 It is a structural schematic diagram of the adsorption mechanism, sealing mechanism and air guide mechanism in the present invention.

[0033] Figure 3 It is a structural schematic diagram of the main adsorption plate and the auxiliary adsorption plate in the present invention.

[0034] Figure 4 It is a structural schematic diagram of the main connecting sleeve, the auxiliary connecting sleeve, and the lifting hydraulic rod in the present invention.

[0035] Figure 5 It is a structural schematic diagram of the main adsorption plate, the upper air intake baffle and the lower air intake baffle in the present invention.

[0036] Figure 6 It is a structural schematic diagram of the side sealing plate, the upper air intake baffle and the lower air intake baffle in the present invention.

[0037] Figure 7 It is a structural schematic diagram of the frame, lifting frame and middle partition in the present invention.

[0038] Figure 8 It is a schematic diagram of the connection of the lifting frame, the lifting gear and the middle partition plate in the present invention.

[0039] Description of reference numerals:

[0040] Shell 1, frame 2, adsorption mechanism 3, mounting sleeve 3-1, supporting shaft 3-2, main adsorption plate 3-3, auxiliary adsorption plate 3-4, sealing mechanism 4, lifting frame 4-1, lower sealing plate 4-2, middle partition plate 4-3, lifting hydraulic rod 4-4, air guide mechanism 5, upper air intake partition plate 5-1, upper air intake hole 5-2, lower air intake partition plate 5-3, lower air intake hole 5-4, main connecting sleeve 6, auxiliary connecting sleeve 7, main connecting pin 8, main waist-shaped hole 9, auxiliary connecting pin 10, auxiliary waist-shaped hole 11, lifting hydraulic rod 12, lifting seat 13, connecting rod 14, lifting gear 15, main transmission rack 16, auxiliary transmission rack 17, side sealing plate 18, reversing rack 19, reversing shaft 20, reversing gear 21, transmission shaft 22, worm 23, worm wheel 24, rotary cylinder 25. DETAILED DESCRIPTION

[0041] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples, and all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention.

[0042] like Figure 1-8 As shown, this specific implementation adopts the following technical solutions:

[0043] It comprises a shell 1 and a frame 2, wherein the frame 2 is fixedly arranged inside the shell 1, the left inner cavity of the frame 2 is an adsorption cavity, and the right inner cavity of the frame 2 is a decomposition cavity, and it also comprises:

[0044] An adsorption mechanism 3, wherein the adsorption mechanism 3 is arranged in the frame 2;

[0045] A sealing mechanism 4, wherein the sealing mechanism 4 is arranged inside the housing 1, and the sealing mechanism 4 is arranged in cooperation with the adsorption chamber and the decomposition chamber of the frame 2;

[0046] An air guide mechanism 5, which is arranged in the adsorption chamber of the frame 2;

[0047] The adsorption mechanism 3 comprises a mounting sleeve 3-1, a support shaft 3-2, a main adsorption plate 3-3, and an auxiliary adsorption plate 3-4, wherein:

[0048] Mounting sleeves 3-1, the mounting sleeves 3-1 are two and are integrally formed and arranged on the front and rear sides of the top plate of the frame 2;

[0049] A support shaft 3-2, wherein the support shaft 3-2 is arranged in the frame 2, and the support shaft 3-2 is arranged between the adsorption chamber and the decomposition chamber of the frame 2, and the front and rear ends of the support shaft 3-2 are respectively fixedly arranged on the mounting sleeves 3-1 on the front and rear sides;

[0050] The main connecting sleeves 6 are several and are arranged equidistantly from front to back and are mounted on the support shaft 3-2 through bearing rotation sleeves;

[0051] The main adsorption plate 3-3 is fixedly arranged on the main connecting sleeve 6, and the main adsorption plate 3-3 is arranged in an equidistant manner in the front and rear in the adsorption cavity of the frame 2;

[0052] Auxiliary connecting sleeves 7, wherein the auxiliary connecting sleeves 7 are arranged in a front-to-back equidistant manner and are arranged on the support shaft 3-2 through a bearing screw connection sleeve, and the auxiliary connecting sleeves 7 and the main connecting sleeves 6 are arranged one by one;

[0053] Auxiliary adsorption plates 3-4, the auxiliary adsorption plates 3-4 are fixedly arranged on the auxiliary connecting sleeve 7, and are arranged in the decomposition chamber of the frame 2 in an equidistant arrangement in the front and rear;

[0054] The main connecting pin 8 and the secondary connecting sleeve 7 are provided with a secondary waist-shaped hole 11, the main connecting pin 8 is inserted into the secondary waist-shaped hole 11, and the main connecting pin 8 is fixedly arranged on the main connecting sleeve 6;

[0055] A secondary connecting pin 10, a main waist-shaped hole 9 is opened on the main connecting sleeve 6, the secondary connecting pin 10 is inserted into the main waist-shaped hole 9, and the secondary connecting pin 10 is fixedly arranged on the secondary connecting sleeve 7;

[0056] A lifting hydraulic rod 12, wherein the lifting hydraulic rod 12 is fixedly arranged on the housing 1;

[0057] A lifting seat 13, wherein the lifting seat 13 is fixedly arranged on the output shaft of the lifting hydraulic rod 12;

[0058] Connecting rods 14, there are two connecting rods 14 and both are rotatably mounted on the lifting seat 13 through a rotating shaft, the upper end of one connecting rod 14 is rotatably mounted on the main connecting pin 8 through a bearing, and the upper end of the other connecting rod 14 is rotatably mounted on the auxiliary connecting pin 10 through a bearing;

[0059] The sealing mechanism 4 comprises a lifting frame 4-1, a lower sealing plate 4-2, a middle partition plate 4-3, and a lifting hydraulic rod 4-4, wherein:

[0060] A lifting frame 4-1, wherein the lifting frame 4-1 is arranged inside the housing 1, and the lifting frame 4-1 is arranged below the frame 2;

[0061] The lower sealing plate 4-2 is two and fixedly arranged on the upper side wall of the lifting frame 4-1 in a left-right symmetrical manner. The lower sealing plate 4-2 on the left side is movably embedded in the lower port of the adsorption chamber of the frame 2, and the lower sealing plate 4-2 on the right side is movably embedded in the lower port of the decomposition chamber of the frame 2;

[0062] The middle partition plate 4-3 is movably inserted into the lifting frame 4-1, and the middle partition plate 4-3 is inserted into the frame 2 and is located between the adsorption chamber and the decomposition chamber of the frame 2. The side edge of the main adsorption plate 3-3 is against the left side wall of the middle partition plate 4-3, and the side edge of the auxiliary adsorption plate 3-4 is against the right side wall of the middle partition plate 4-3;

[0063] A lifting hydraulic rod 4-4, wherein the lifting hydraulic rod 4-4 is fixedly arranged on the lower inner wall of the housing 1, and an output shaft of the lifting hydraulic rod 4-4 is fixedly arranged on the middle partition plate 4-3;

[0064] A lifting gear 15, wherein the lifting gear 15 is rotatably mounted on the lifting frame 4-1 via a rotating shaft;

[0065] A main transmission rack 16, wherein the main transmission rack 16 is fixedly arranged on the middle partition plate 4-3, and the main transmission rack 16 is meshed with one side of the lifting gear 15;

[0066] Auxiliary transmission rack 17, the auxiliary transmission rack 17 is fixedly arranged on the inner wall of the housing 1, the lifting gear 15 is arranged between the main transmission rack 16 and the auxiliary transmission rack 17, and the auxiliary transmission rack 17 is meshed with the lifting gear 15;

[0067] The air guide mechanism 5 comprises an upper air intake baffle 5-1 and a lower air intake baffle 5-3, wherein:

[0068] Side sealing plates 18, wherein two side sealing plates 18 are symmetrically arranged on the left port of the frame 2;

[0069] An upper air intake baffle 5-1, wherein the upper air intake baffle 5-1 is arranged in the adsorption chamber of the frame 2, and the upper air intake baffle 5-1 is arranged on the rear side of the main adsorption plate 3-3 in a one-to-one correspondence with the main adsorption plate 3-3, and an upper air intake hole 5-2 is integrally formed on the upper side of the upper air intake baffle 5-1, and the upper air intake baffle 5-1 is fixedly arranged on the side sealing plate 18 on the lower side;

[0070] The lower air intake baffle 5-3 is arranged in the adsorption chamber of the frame 2, and the lower air intake baffle 5-3 is arranged on the front side of the main adsorption plate 3-3 in a one-to-one correspondence with the main adsorption plate 3-3, and the lower side of the lower air intake baffle 5-3 is integrally formed with a lower air intake hole 5-4, and the lower air intake baffle 5-3 is fixedly arranged on the upper side side sealing plate 18;

[0071] Thus, after the main adsorption plate 3-3 enters the adsorption chamber, the main adsorption plate 3-3 is clamped by the upper air intake baffle 5-1 on the rear side of the main adsorption plate 3-3 and the lower air intake baffle 5-3 on the front side of the main adsorption plate 3-3, so that the airflow through the main adsorption plate 3-3 covers the side surface of the main adsorption plate 3-3. After the auxiliary adsorption plate 3-4 enters the adsorption chamber, the auxiliary adsorption plate 3-4 is clamped by the upper air intake baffle 5-1 on the front side of the auxiliary adsorption plate 3-4 and the lower air intake baffle 5-3 on the rear side of the auxiliary adsorption plate 3-4, so that the airflow through the auxiliary adsorption plate 3-4 covers the side surface of the auxiliary adsorption plate 3-4.

[0072] The reversing rack 19 is symmetrically arranged in two upper and lower parts, and the upper and lower reversing racks 19 are respectively fixed on the side sealing plates 18 on the upper and lower sides;

[0073] A reversing shaft 20, wherein the reversing shaft 20 is rotatably mounted on the left inner wall of the housing 1 through a bearing;

[0074] The reversing gear 21 is fixedly arranged on the reversing shaft 20, and the reversing gear 21 is sandwiched between the reversing racks 19 on the upper and lower sides, and the reversing gear 21 is meshed with the reversing racks 19 on both sides;

[0075] A transmission shaft 22, wherein the transmission shaft 22 is rotatably mounted on the front surface of the housing 1 through a bearing;

[0076] A worm 23, wherein the worm 23 is fixedly disposed on the transmission shaft 22;

[0077] A worm wheel 24, wherein the worm wheel 24 is fixedly disposed on the reversing shaft 20, and the worm wheel 24 is meshed with the worm 23;

[0078] The rotary cylinder 25 is fixedly arranged on the inner wall of the housing 1, and the rotary cylinder 25 is connected to the transmission shaft 22 through a bevel gear set.

[0079] When using the device, flanges are connected to the front and rear ports of the adsorption chamber and the front and rear ports of the decomposition chamber on the frame 2, so that the adsorption chamber of the frame 2 is connected to the vehicle exhaust emission pipeline through the flange of the adsorption chamber, and the decomposition chamber of the frame 2 is connected to the exhaust catalytic decomposition device through the flange of the decomposition chamber, so that the frame 2 is divided into independent adsorption chambers and decomposition chambers that are not interconnected through the cooperation of the middle partition plate 4-3, the side sealing plate 18, and the lower sealing plate 4-2, so that the main adsorption plate 3-3 or the auxiliary adsorption plate 3-4 is alternately placed in the adsorption chamber to adsorb particulate matter in the exhaust gas, and the main adsorption plate 3-3 or the auxiliary adsorption plate 3-4 with adsorbed particulate matter is placed in the decomposition chamber to process the adsorbed and collected particulate matter; when switching the main adsorption plate 3-3 or the auxiliary adsorption plate 3-4, the adsorption chamber 18 is opened, and the decomposition chamber 18 is opened. When the plate 3-4 is placed in the adsorption chamber, first, the lower sealing plate 4-2 is moved downward from the lower side of the frame 2, and the middle partition plate 4-3 is pulled out and removed downward from the frame 2, and the middle partition plate 4-3 is driven to descend by the jacking hydraulic rod 4-4, and the middle partition plate 4-3 moves downward and drives the main transmission rack 16 to move downward, and the main transmission rack 16 drives the lifting gear 15 to rotate so that the lifting gear 15 slides downward on the auxiliary transmission rack 17, so that the lifting gear 15 drives the lifting frame 4-1 to descend, so as to drive the lower sealing plate 4-2 to move downward through the lifting frame 4-1, and the downward movement distance of the middle partition plate 4-3 is twice the downward movement distance of the lifting frame 4-1, so that after the middle partition plate 4-3 and the lower sealing plate 4-2 move downward, the main adsorption plate 3-3, The auxiliary adsorption plate 3-4 rotates and moves, and then, the lifting seat 13 is pushed to move by the lifting hydraulic rod 12, and the lifting seat 13 drives the two connecting rods 14 to move, so that the two connecting rods 14 respectively push the main connecting sleeve 6 to rotate on the support shaft 3-2 through the main connecting pin 8, and push the auxiliary connecting sleeve 7 to rotate on the support shaft 3-2 through the auxiliary connecting pin 10, and the rotation direction of the main connecting sleeve 6 is opposite to the rotation direction of the auxiliary connecting sleeve 7, so that the main connecting sleeve 6 drives the main adsorption plate 3-3 to rotate, and the auxiliary connecting sleeve 7 drives the auxiliary adsorption plate 3-4 to rotate, so that the main adsorption plate 3-3 enters the adsorption chamber and the auxiliary adsorption plate 3-4 enters the decomposition chamber, or the main adsorption plate 3-3 enters the decomposition chamber and the auxiliary adsorption plate 3-4 enters the adsorption chamber, then, the main adsorption plate 3-3 Or after the auxiliary adsorption plate 3-4 enters the adsorption chamber, the middle partition plate 4-3 is pushed upward by the jacking hydraulic rod 4-4 to be inserted into the frame 2, so that the middle partition plate 4-3 is clamped between the main adsorption plate 3-3 and the auxiliary adsorption plate 3-4, and the lower sealing plate 4-2 is embedded in the lower port of the frame 2, thereby completing the position adjustment of the main adsorption plate 3-3 and the auxiliary adsorption plate 3-4, and then, the rotary cylinder 25 drives the transmission shaft 22 to rotate, the rotary cylinder 25 drives the transmission shaft 22 to rotate, the transmission shaft 22 drives the reversing shaft 20 to rotate through the meshing worm gear 24 and the worm 23, the reversing shaft 20 drives the reversing rack 19 to move through the reversing gear 21, and the moving directions of the upper and lower reversing racks 19 are opposite, that is, the front and rear moving directions of the upper and lower side sealing plates 18 are opposite,As a result, the upper air intake baffle 5-1 and the lower air intake baffle 5-3 in the adsorption chamber of the rack 2 move in opposite directions, so that an upper air intake baffle 5-1 and a lower air intake baffle 5-3 cooperate to form a group of front and rear sides of the main adsorption plate 3-3 located in the adsorption chamber, or the front and rear sides of the auxiliary adsorption plate 3-4 located in the adsorption chamber, so that the upper air intake hole 5-2 on the upper side of the upper air intake baffle 5-1 cooperates with the lower air intake hole 5-4 on the lower side of the lower air intake baffle 5-3, so that the gas between the adjacent upper air intake baffles 5-1 and the lower air intake baffle 5-3 enters from one end of the upper side or the lower side and is discharged from the other end, so that the gas flowing through the surface of the main adsorption plate 3-3 or the auxiliary adsorption plate 3-4 can cover its surface, so that the particles in the inhaled air are fully adsorbed.

[0080] Compared with the prior art, the present invention has the following beneficial effects:

[0081] 1. The device is provided with alternately placed main adsorption plates 3-3 and auxiliary adsorption plates 3-4, and is provided on the frame 2 through the lower sealing plate 4-2 and the middle partition plate 4-3 to form mutually independent adsorption chambers and decomposition chambers, so that the main adsorption plates 3-3 and the auxiliary adsorption plates 3-4 are alternately placed in the adsorption chamber or the decomposition chamber, so that the particulate matter in the exhaust gas of the diesel vehicle is collected by the main adsorption plates 3-3 or the auxiliary adsorption plates 3-4 and then sent to the decomposition chamber for subsequent treatment;

[0082] 2. The device is provided with upper air intake baffles 5-1 and lower air intake baffles 5-3 arranged alternately in the adsorption chamber, so that after the main adsorption plate 3-3 or the auxiliary adsorption plate 3-4 is placed in the adsorption chamber, the main adsorption plate 3-3 or the auxiliary adsorption plate 3-4 is clamped by the front and rear upper air intake baffles 5-1 and the lower air intake baffles 5-3 to guide the passing airflow, so that the airflow contacts the main adsorption plate 3-3 or the auxiliary adsorption plate 3-4 to the maximum extent, so as to fully adsorb and collect the particulate matter;

[0083] 3. The device is provided with a lower sealing plate 4-2 through a lifting frame 4-1, and a middle partition plate 4-3 is passed through the lifting frame 4-1, so that the main adsorption plates 3-3 and the auxiliary adsorption plates 3-4 on both sides are matched through the middle partition plate 4-3, and the inside of the frame 2 is divided into an adsorption chamber and a decomposition chamber, a main transmission rack 16 is provided on the middle partition plate 4-3, and a lifting gear 15 is provided on the lifting frame 4-1, and an auxiliary transmission rack 17 is provided on the outer shell 1, so that the lifting frame 4-1 is driven to move up and down synchronously while the middle partition plate 4-3 is driven to move up and down by the lifting hydraulic rod 4-4, so as to realize the control of the lower sealing plate 4-2 and the middle partition plate 4-3 to move away so that the main adsorption plate 3-3 and the auxiliary adsorption plate 3-4 are switched alternately.

[0084] For those skilled in the art, they can modify the technical solutions described in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A heavy-duty diesel vehicle exhaust particulate matter purification device and method, comprising a housing (1) and a frame (2), wherein the frame (2) is fixedly arranged inside the housing (1), the left inner cavity of the frame (2) is an adsorption cavity, and the right inner cavity of the frame (2) is a decomposition cavity; characterized in that: It also contains: An adsorption mechanism (3), wherein the adsorption mechanism (3) is arranged in the frame (2); A sealing mechanism (4), wherein the sealing mechanism (4) is arranged inside the housing (1), and the sealing mechanism (4) is arranged in coordination with the adsorption chamber and the decomposition chamber of the frame (2); An air guide mechanism (5), wherein the air guide mechanism (5) is arranged in the adsorption chamber of the frame (2).

2. A heavy-duty diesel vehicle exhaust particulate matter purification device according to claim 1, characterized in that: The adsorption mechanism (3) comprises: A mounting sleeve (3-1), wherein the mounting sleeve (3-1) is in two pieces and is integrally formed and arranged on the front and rear sides of the top plate of the frame (2); A support shaft (3-2), wherein the support shaft (3-2) is arranged in the frame (2), and the support shaft (3-2) is mounted between the adsorption chamber and the decomposition chamber of the frame (2), and the front and rear ends of the support shaft (3-2) are respectively fixedly arranged on the mounting sleeves (3-1) on the front and rear sides; A main adsorption plate (3-3), wherein the main adsorption plates (3-3) are in plurality and are arranged in an equidistant manner in the front and rear and are arranged in the adsorption chamber of the frame (2); Auxiliary adsorption plates (3-4), wherein the auxiliary adsorption plates (3-4) are in plurality and arranged in a front-to-back equidistant manner in the decomposition chamber of the frame (2), and the auxiliary adsorption plates (3-4) correspond to the main adsorption plates (3-3) in a one-to-one manner and are arranged in a front-to-back staggered manner.

3. A heavy-duty diesel vehicle exhaust particulate matter purification device according to claim 2, characterized in that: A main connecting sleeve (6) is fixedly arranged on the main adsorption plate (3-3), and the main connecting sleeve (6) is sleeved on the support shaft (3-2) through a bearing rotation joint; a secondary connecting sleeve (7) is fixedly arranged on the secondary adsorption plate (3-4), and the secondary connecting sleeve (7) is sleeved on the support shaft (3-2) through a bearing rotation joint; and adjacent end surfaces of adjacent main connecting sleeves (6) and secondary connecting sleeves (7) are movably arranged to abut against each other.

4. A heavy-duty diesel vehicle exhaust particulate matter purification device according to claim 3, characterized in that: The main connecting sleeve (6) is fixedly provided with a main connecting pin (8), and the main connecting sleeve (6) is provided with a main waist-shaped hole (9), the secondary connecting sleeve (7) is fixedly provided with a secondary connecting pin (10), and the secondary connecting sleeve (7) is provided with a secondary waist-shaped hole (11), the main connecting pin (8) is inserted into the secondary waist-shaped hole (11), and the front end of the main connecting pin (8) is inserted through the front side mounting sleeve (3-1), the secondary connecting pin (10) is inserted into the main waist-shaped hole (9), and the secondary connecting sleeve (7) is provided with a secondary waist-shaped hole (11). The front end of the connecting pin (10) is arranged to pass through the front mounting sleeve (3-1), a lifting hydraulic rod (12) is fixedly arranged on the housing (1), a lifting seat (13) is fixedly arranged on the output shaft of the lifting hydraulic rod (12), and two connecting rods (14) are rotatably arranged on the lifting seat (13) through a rotating shaft, wherein the upper end of one of the connecting rods (14) is rotatably arranged on the main connecting pin (8) through a bearing, and the upper end of the other connecting rod (14) is rotatably arranged on the auxiliary connecting pin (10) through a bearing.

5. A heavy-duty diesel vehicle exhaust particulate matter purification device according to claim 4, characterized in that: The sealing mechanism (4) comprises: A lifting frame (4-1), wherein the lifting frame (4-1) is arranged inside the housing (1), and the lifting frame (4-1) is arranged below the frame (2); A lower sealing plate (4-2), wherein the lower sealing plates (4-2) are two and are fixedly arranged on the upper side wall of the lifting frame (4-1) in a left-right symmetrical manner, the lower sealing plate (4-2) on the left side is movably embedded in the lower port of the adsorption chamber of the frame (2), and the lower sealing plate (4-2) on the right side is movably embedded in the lower port of the decomposition chamber of the frame (2); A middle partition (4-3), wherein the middle partition (4-3) is movably inserted into the lifting frame (4-1), and the middle partition (4-3) is inserted into the frame (2) and is located between the adsorption chamber and the decomposition chamber of the frame (2), the side edge of the main adsorption plate (3-3) is abutted against the left side wall of the middle partition (4-3), and the side edge of the auxiliary adsorption plate (3-4) is abutted against the right side wall of the middle partition (4-3); A lifting hydraulic rod (4-4) is fixedly arranged on the lower inner wall of the outer shell (1), and an output shaft of the lifting hydraulic rod (4-4) is fixedly arranged on the middle partition plate (4-3).

6. A heavy-duty diesel vehicle exhaust particulate matter purification device according to claim 5, characterized in that: A lifting gear (15) is rotatably mounted on the lifting frame (4-1) via a rotating shaft, a main transmission rack (16) is fixedly mounted on the middle partition plate (4-3), and a secondary transmission rack (17) is fixedly mounted on the inner wall of the outer shell (1). The main transmission rack (16) and the secondary transmission rack (17) are respectively located on both sides of the lifting gear (15), and the main transmission rack (16) and the secondary transmission rack (17) are respectively meshed with both side edges of the lifting gear (15).

7. A heavy-duty diesel vehicle exhaust particulate matter purification device according to claim 6, characterized in that: The air guide mechanism (5) comprises: An upper air intake baffle (5-1), wherein the upper air intake baffles (5-1) are in plurality and are arranged in an equidistant manner in the front and rear in the adsorption chamber of the frame (2), and an upper air intake hole (5-2) is integrally formed on the upper side of the upper air intake baffle (5-1); The lower air intake baffles (5-3) are multiple and arranged in an equidistant manner in the front and rear in the adsorption chamber of the frame (2); the lower air intake baffles (5-3) are integrally formed with lower air intake holes (5-4) on the lower side edges of the lower air intake baffles (5-3); the upper air intake baffles (5-1) and the lower air intake baffles (5-3) are arranged alternately one by one; and the main adsorption plate (3-3) is sandwiched between the upper air intake baffles (5-1) and the lower air intake baffles (5-3) adjacent to each other in the front and rear.

8. A heavy-duty diesel vehicle exhaust particulate matter purification device according to claim 7, characterized in that: The left port of the frame (2) is covered with two side sealing plates (18), and the two side sealing plates (18) are symmetrically arranged in an upper and lower manner. The lower air intake baffle (5-3) is fixedly arranged on the upper side side sealing plate (18), and the upper air intake baffle (5-1) is fixedly arranged on the lower side side sealing plate (18). Reversing racks (19) are symmetrically fixedly arranged on the upper and lower side sealing plates (18). A reversing shaft (20) is rotatably arranged on the left inner wall of the housing (1) through a bearing, and a reversing gear (21) is fixedly arranged on the reversing shaft (20). The reversing gear (21) is fixedly arranged on the reversing gear (21). 1) is arranged between the reversing racks (19) on the upper and lower sides, and the reversing gear (21) is meshed with the reversing racks (19) on the upper and lower sides. A transmission shaft (22) is rotatably arranged on the inner wall of the housing (1) through a bearing, a worm (23) is fixedly arranged on the transmission shaft (22), a worm wheel (24) is fixedly arranged on the reversing shaft (20), the worm (23) and the worm wheel (24) are meshed, and a rotary oil cylinder (25) is fixedly arranged on the inner wall of the housing (1), and the output shaft of the rotary oil cylinder (25) is connected to the transmission shaft (22) through a bevel gear set.

9. A working method of a heavy-duty diesel vehicle exhaust particulate matter purification device, characterized in that: Flanges are connected to the front and rear ports of the adsorption chamber and the front and rear ports of the decomposition chamber on the frame (2), so that the adsorption chamber of the frame (2) is connected to the vehicle exhaust emission pipeline through the flange of the adsorption chamber, and the decomposition chamber of the frame (2) is connected to the exhaust catalytic decomposition device through the flange of the decomposition chamber, so that the frame (2) is divided into independent adsorption chambers and decomposition chambers that are not interconnected through the cooperation of the middle partition plate (4-3), the side sealing plate (18) and the lower sealing plate (4-2), so that the main adsorption plate (3-3) or the auxiliary adsorption plate (3-4) is alternately placed in the adsorption chamber to adsorb particulate matter in the exhaust gas, and the main adsorption plate (3-3) or the auxiliary adsorption plate (3-4) with adsorbed particulate matter is placed in the decomposition chamber to process the adsorbed and collected particulate matter; When switching the main adsorption plate (3-3) or the auxiliary adsorption plate (3-4) to be placed in the adsorption chamber, first, the lower sealing plate (4-2) is moved downward from the lower side of the frame (2), and the middle partition plate (4-3) is pulled out and moved downward from the frame (2), and the middle partition plate (4-3) is driven downward by the lifting hydraulic rod (4-4), and the middle partition plate (4-3) moves downward and drives the main transmission rack (16) to move downward, and the main transmission rack (16) drives the lifting gear (15) to rotate so that the lifting gear (15) slides downward on the auxiliary transmission rack (17), so that the lifting gear (15) drives the lifting frame (4-1) to descend, so as to drive the lower sealing plate (4-2) to move downward through the lifting frame (4-1), and the downward movement distance of the middle partition plate (4-3) is The distance is twice the downward movement distance of the lifting frame (4-1), so that after the middle partition plate (4-3) and the lower sealing plate (4-2) move downward, the main adsorption plate (3-3) and the auxiliary adsorption plate (3-4) can be rotated and moved. Then, the lifting seat (13) is pushed to move by the lifting hydraulic rod (12), and the lifting seat (13) drives the two connecting rods (14) to move, so that the two connecting rods (14) respectively push the main connecting sleeve (6) to rotate on the support shaft (3-2) through the main connecting pin (8), and push the auxiliary connecting sleeve (7) to rotate on the support shaft (3-2) through the auxiliary connecting pin (10), and the rotation direction of the main connecting sleeve (6) is opposite to the rotation direction of the auxiliary connecting sleeve (7), so that the main connecting sleeve (6) drives the main adsorption plate (3-3) to rotate, and the auxiliary connecting sleeve (7) drives the auxiliary connecting sleeve (7) to rotate. The connecting sleeve (7) drives the auxiliary adsorption plate (3-4) to rotate, so that the main adsorption plate (3-3) enters the adsorption chamber and the auxiliary adsorption plate (3-4) enters the decomposition chamber, or the main adsorption plate (3-3) enters the decomposition chamber and the auxiliary adsorption plate (3-4) enters the adsorption chamber. Then, after the main adsorption plate (3-3) or the auxiliary adsorption plate (3-4) enters the adsorption chamber, the middle partition plate (4-3) is pushed upward and inserted into the frame (2) by the lifting hydraulic rod (4-4), so that the middle partition plate (4-3) is clamped between the main adsorption plate (3-3) and the auxiliary adsorption plate (3-4), and the lower sealing plate (4-2) is embedded in the lower port of the frame (2), thereby completing the position adjustment of the main adsorption plate (3-3) and the auxiliary adsorption plate (3-4). Then, by rotating The oil cylinder (25) drives the transmission shaft (22) to rotate. The rotary oil cylinder (25) drives the transmission shaft (22) to rotate. The transmission shaft (22) drives the reversing shaft (20) to rotate through the meshing worm gear (24) and the worm (23). The reversing shaft (20) pushes the reversing rack (19) to move through the reversing gear (21). The upper and lower reversing racks (19) move in opposite directions, that is, the upper and lower side sealing plates (18) move in opposite directions, so that the upper air intake baffle (5-1) and the lower air intake baffle (5-3) in the adsorption chamber of the frame (2) move in opposite directions, so that an upper air intake baffle (5-1) and a lower air intake baffle (5-3) cooperate to form a group of front and rear sides of the main adsorption plate (3-3) located in the adsorption chamber.Or the front and rear sides of the auxiliary adsorption plate (3-4) located in the adsorption chamber, so that the upper air intake hole (5-2) on the upper side of the upper air intake baffle (5-1) cooperates with the lower air intake hole (5-4) on the lower side of the lower air intake baffle (5-3), so that the gas between the adjacent upper air intake baffles (5-1) and the lower air intake baffles (5-3) enters from one end of the upper side or the lower side and is discharged from the other end, so that the gas flowing through the surface of the main adsorption plate (3-3) or the auxiliary adsorption plate (3-4) can cover its surface, so that the particles in the inhaled air are fully adsorbed.

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