CN217300699U

CN217300699U - Diesel engine tail gas cleanup unit convenient to maintain

Info

Publication number: CN217300699U
Application number: CN202220439297.1U
Authority: CN
Inventors: 冯芳
Original assignee: Beierte Nanjing Environmental Protection Technology Co ltd
Current assignee: Beierte Nanjing Environmental Protection Technology Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-08-26
Anticipated expiration: 2032-03-02

Abstract

The utility model is suitable for the technical field of diesel engine accessories, and provides a diesel engine tail gas purification device convenient for maintenance, which comprises a machine body, an air inlet pipe, a heat collecting mechanism and a protection mechanism; the top end and the bottom end of the machine body are both open. This diesel engine tail gas cleanup unit convenient to maintain, when needs maintenance, the connecting plate breaks away from the contact with the organism, the pull connecting plate drives the inner chamber of vesuvianite case and organism and breaks away from the contact, maintain diesel particulate filter when needing, make the baffle cancellation to the shutoff of mounting panel front end, the second limiting plate breaks away from the contact back with first limiting plate, the shutoff board is after moving to suitable position to the direction of keeping away from the organism, dismantle fastening bolt and accomplish and dismantle diesel particulate filter, when oxidation catalyst converter damages, diesel particulate filter moves to the outside of organism, upwards carry and draw oxidation catalyst converter motion to suitable position, dismantle according to concrete maintenance demand selectivity, alleviate maintainer work burden.

Description

Diesel engine tail gas cleanup unit convenient to maintain

Technical Field

The utility model belongs to the technical field of the diesel engine accessory, especially, relate to a diesel engine tail gas cleanup unit convenient to maintain.

Background

The diesel engine is an internal combustion engine using diesel oil as fuel, and has the characteristics of high thermal efficiency, high power and the like, and the diesel engine can generate diesel engine tail gas in the use process, wherein the diesel engine tail gas refers to gas discharged after the diesel engine burns the diesel oil, and the tail gas contains a plurality of different compounds and particulate matters.

Most diesel engine tail gas cleanup unit of current generally forms integrated device through the welding, when leading to the fact under the long-time in service behavior of purifier internal element to block up or damage, need maintain the change to it, integrated tail gas cleanup unit, maintainer is inconvenient to dismantle the change to internal element, and it is loaded down with trivial details to dismantle the step, can't dismantle this component alone fast when needing to change the component of bottom simultaneously, dismantles efficiency lower.

SUMMERY OF THE UTILITY MODEL

The utility model provides a diesel engine tail gas cleanup unit convenient to maintain aims at solving and causes under the long-time in service behavior of purifier internal component to block up or when damaging, needs to maintain the change to it, and integration tail gas cleanup unit, maintainer are inconvenient to dismantle the change to internal component, and it is loaded down with trivial details to dismantle the step, can't dismantle this component alone fast when needing to change the component of bottom simultaneously, dismantles the lower problem of efficiency.

The utility model is realized in such a way that the diesel engine tail gas purification device which is convenient to maintain comprises a machine body, an air inlet pipe, a heat collecting mechanism and a protection mechanism;

the top end and the bottom end of the machine body are both open, the top end of the air inlet pipe is detachably arranged at the bottom end of the inner cavity of the machine body, and the heat gathering mechanism is arranged at the bottom of the inner cavity of the machine body and is positioned above the air inlet pipe;

the heat collecting mechanism comprises a volcanic rock box which is detachably arranged at the bottom of the inner cavity of the machine body, the top of the volcanic rock box is open, a through hole matched with the volcanic rock box is formed in the bottom of one side of the machine body, a connecting plate which penetrates through the outer end of the through hole to the outside of the machine body is fixedly connected to one side of the volcanic rock box, and the connecting plate is detachably connected with the surface of the machine body through a mounting bolt;

the protection mechanism is detachably arranged at the top of the machine body and comprises a plugging plate capable of plugging the top end of the machine body, a fixed rod is detachably arranged at the bottom of the plugging plate, the top end of the fixed rod is detachably connected with the bottom of the plugging plate through a fastening bolt, and a diesel particle filter is fixedly connected to the bottom end of the fixed rod;

the inner chamber of organism just is located diesel particulate filter with detachably is provided with the oxidation catalyst converter between the vesuvianite case, the top detachably of shutoff board is provided with the outlet duct, the bottom of outlet duct runs through extremely the bottom of shutoff board.

Preferably, the equal fixedly connected with mounting panel in top of organism surface both sides, the both sides of mounting panel are uncovered, the first limiting plate of front side fixedly connected with of mounting panel, the bottom of mounting panel rotationally is provided with the rotor plate, the front end of rotor plate to the front end of mounting panel extends, but the front end fixedly connected with shutoff at rotor plate top the baffle of mounting panel front end, the equal fixedly connected with in both ends of shutoff board bottom with the second limiting plate of first limiting plate looks adaptation.

Preferably, the bottom of the inner wall surface of the machine body is provided with a supporting block, the top of the supporting block is in contact with the bottom of the volcanic rock box, and the middle of the inner wall surface of the machine body, which is positioned above the volcanic rock box, is fixedly connected with a limiting block, the top of the limiting block is in contact with the bottom of the oxidation catalyst.

Preferably, the surface of the connecting plate is provided with a sealing plate matched with the through hole.

Preferably, go into tracheal fixed surface and be connected with solid fixed ring, gu fixed ring's the front and the equal fixedly connected with thread piece in the back, the positive both sides in organism surface bottom and the equal vertical fixedly connected with bottom in both sides at the back to the riser that solid fixed ring direction extends, two of homonymy rotationally be provided with the threaded rod between the riser, the threaded rod with thread piece threaded connection.

Preferably, the surface of the air inlet pipe is fixedly connected with a valve below the fixing ring.

Preferably, the top and the bottom of the surface of the machine body are both fixedly connected with a protective ring.

Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a diesel engine tail gas cleanup unit convenient to maintain, when needing to maintain, the connecting plate breaks away from the contact with the organism, the pull connecting plate drives the vesuvianite case and breaks away from the contact with the inner chamber of organism, when needing to maintain or change diesel particulate filter, make the baffle cancel the shutoff of mounting panel front end, after second limiting plate breaks away from the contact with first limiting plate, after the shutoff board moves to suitable position to the direction of keeping away from the organism, dismantle fastening bolt and dismantle diesel particulate filter, when oxidation catalyst converter damages, diesel particulate filter moves to the outside of organism, upwards carry and draw oxidation catalyst converter and make it come into contact with the inner chamber of organism with coming off, selectively dismantle according to the specific maintenance demand, thereby avoid purifier integration welding, can't change the device in the purifier, make the intact part obtain make full use in the purifier when guaranteeing the maintenance effect, and the workload of maintenance personnel is reduced.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is a front view of the middle structure of the present invention;

FIG. 3 is a schematic side view of the structure of the mounting plate, the rotating plate and the baffle plate of the present invention;

fig. 4 is a schematic top view of the structure of the middle thread block and the fixing ring of the present invention.

In the figure: 1-machine body, 2-air inlet pipe, 3-supporting block, 4-volcanic rock box, 5-connecting plate, 6-limiting block, 7-oxidation catalyst, 8-diesel particle filter, 9-blocking plate, 10-mounting plate, 11-first limiting plate, 12-second limiting plate, 13-air outlet pipe, 14-protective ring, 15-vertical plate, 16-fixing ring, 17-threaded rod, 18-rotating plate, 19-baffle, 20-threaded block, 21-valve and 22-sealing plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-4, the present invention provides a technical solution: a diesel engine tail gas purification device convenient to maintain comprises a machine body 1, an air inlet pipe 2, a heat collecting mechanism and a protection mechanism; the top and the bottom of organism 1 are uncovered, go into trachea 2's top detachably and set up in the bottom of organism 1 inner chamber, gather hot mechanism and set up in the bottom of organism 1 inner chamber and be located into trachea 2's top.

Make into 2 detachably of trachea set up in organism 1's bottom according to the user demand, organism 1 can be provided with the sealing member with the junction of going into trachea 2, can not leak when guaranteeing that organism 1 carries tail gas to organism 1 in through the sealing member, adsorbs tail gas and heat transfer warms up 1 internal face of organism warmly through gathering hot mechanism simultaneously.

Gather hot mechanism and include that a detachably sets up in the bottom and the top of 1 inner chamber of organism for open volcanic rock case 4, the bottom of 1 one side of organism be provided with the penetrating hole of 4 looks adaptations of volcanic rock case, one side fixedly connected with of volcanic rock case 4 runs through to 1 outside connecting plate 5 of organism through penetrating the mouthful outer end, connecting plate 5 can dismantle with the surface of organism 1 through construction bolt and be connected, the surface of connecting plate 5 is provided with and runs through the closing plate 22 of a mouthful adaptation.

The volcanic rock box 4 is made of a grid material, the volcanic rock arranged in the inner cavity of the volcanic rock box 4 is blocked while tail gas cannot be blocked, the volcanic rock cannot move downwards and fall into the inner cavity of the gas inlet pipe 2, oil sludge is adsorbed to filter the tail gas by utilizing the characteristics of porosity and oil absorption of the volcanic rock arranged in the inner cavity of the volcanic rock box 4 through the volcanic rock, meanwhile, the volcanic rock has a heat accumulation effect and can also provide a relatively light exhaust temperature and high temperature resistance of the volcanic rock, so that exhaust pressure is not greatly influenced, the temperature in waste gas can be absorbed at a relatively high temperature through the volcanic rock, the temperature of the volcanic rock is increased to achieve a heat preservation effect, the temperature of relatively cold tail gas is conveniently increased, and the relatively cold waste gas is prevented from directly entering subsequent devices through the heat of the volcanic rock, so that the subsequent devices cannot achieve a due using effect;

through twisting the installation bolt and make its surface with organism 1 break away from the contact back, pulling connecting plate 5 and driving volcanic stone case 4 and organism 1's inner chamber break away from the contact to dismantle convenient follow-up maintenance washing change with volcanic stone case 4, guarantee the leakproofness through closing plate 22 when connecting plate 5 carries out the shutoff to the through-hole through closing plate 22 through the closing plate 22 that connecting plate 5 surface set up simultaneously.

Protection machanism detachably sets up in the top of organism 1, and protection machanism includes the shutoff board 9 on a shutoff organism 1 top, and the bottom detachably of shutoff board 9 is provided with the dead lever, and fastening bolt and the bottom of shutoff board 9 are passed through on the top of dead lever can be dismantled and be connected, and the bottom fixedly connected with diesel particulate filter 8 of dead lever.

The dpf 8 is a conventional device and therefore will not be explained in much detail, and when the dpf 8 needs to be disassembled and replaced, the dpf 8 is disassembled to be out of contact with the bottom of the blocking plate 9 by disassembling the blocking plate 9 to be out of contact with the body 1 and then disassembling the fastening bolt to be removed from the bottom of the blocking plate 9.

An oxidation catalyst 7 is detachably arranged in the inner cavity of the engine body 1 and between the diesel particulate filter 8 and the vesuvianite box 4, an air outlet pipe 13 is detachably arranged at the top of the blocking plate 9, and the bottom end of the air outlet pipe 13 penetrates through the bottom of the blocking plate 9.

The oxidation catalyst 7 is the existing device and therefore does not do much explanation, and the surface of outlet duct 13 and the top that is located shutoff board 9 can be provided with the mounting panel, and mounting panel accessible bolt can be dismantled with the top of shutoff board 9 and be connected to can dismantle the change to outlet duct 13, can carry the waste gas after the filtration purification to during the outside air through outlet duct 13 simultaneously, the shape of outlet duct 13 can be for falling the L shape, avoids the dust to get into the inner chamber of organism 1.

Further, the equal fixedly connected with mounting panel 10 in top of 1 surperficial both sides of organism, the both sides of mounting panel 10 are uncovered, the first limiting plate 11 of the front side fixedly connected with of mounting panel 10, the bottom of mounting panel 10 rotationally is provided with rotor plate 18, the front end of rotor plate 18 extends to the front end of mounting panel 10, but the front end fixedly connected with baffle 19 of shutoff mounting panel 10 front end at rotor plate 18 top, the equal fixedly connected with in both ends and the second limiting plate 12 of 11 looks adaptations of first limiting plate of blocking plate 9 bottom.

In this embodiment, the front end and both sides of mounting panel 10 are uncovered, rotor plate 18 rotates through the damping to be connected, the shape of first limiting plate 11 is the n font, second limiting plate 12 is the shape of falling n, make baffle 19 cancel the shutoff to the mounting panel 10 front end through rotating rotor plate 18, when shutoff board 9 contacts with the top of organism 1, second limiting plate 12 contacts with first limiting plate 11 and makes the rear end of second limiting plate 12 and the rear end of mounting panel 10 contact through sliding, then rotate rotor plate 18 and make baffle 19 fix the front end of mounting panel 10, fix the position of shutoff board 9 through first limiting plate 11 and second limiting plate 12.

Further, the bottom of 1 internal face of organism is provided with the supporting shoe 3 that the top contacted with volcanic rock case 4 bottom, and the stopper 6 that the top contacted with the bottom of oxidation catalyst converter 7 of top fixedly connected with that the middle part of 1 internal face of organism just is located volcanic rock case 4.

In this embodiment, can not hinder volcanic rock case 4 and the contact that drops of income trachea 2 when supporting 4 tops of volcanic rock case through supporting shoe 3, support oxidation catalyst converter 7's bottom through stopper 6, guarantee the stability when oxidation catalyst converter 7 work uses, can break away from the contact with stopper 6 through moving oxidation catalyst converter 7 upward, when shutoff board 9 cancellation top shutoff to organism 1, and can directly make oxidation catalyst converter 7 upwards move and organism 1 inner chamber break away from the contact after diesel particulate filter 8 and organism 1's inner chamber drops the contact.

Further, go into fixed ring 16 of fixed surface of trachea 2, fixed ring 16's the equal fixedly connected with thread piece 20 in front and the back, the riser 15 that extends to fixed ring 16 direction in the equal vertical fixedly connected with bottom in both sides at the positive both sides of organism 1 surface bottom and the back, rotationally be provided with threaded rod 17 between two risers 15 of homonymy, threaded

rod

17 and 20 threaded connection of thread piece.

In this embodiment, after moving fixed ring 16 to suitable position, rotating threaded rod 17 runs through two risers 15 through thread block 20, threaded

rod

17 and 20 threaded connection of thread block simultaneously to fix the position of income trachea 2, thereby accomplish the fixed of income trachea 2, guarantee the stability of income trachea 2.

Furthermore, a valve 21 is fixedly connected to the surface of the inlet pipe 2 and below the fixing ring 16.

In this embodiment, the valve 21 is opened or closed according to the requirement of use by the valve 21, so that the waste gas is delivered into the inner cavity of the machine body 1 through the gas inlet pipe 2.

Further, a guard ring 14 is fixedly connected to the top and the bottom of the surface of the machine body 1.

In this embodiment, the body 1 is protected by the protection ring 14 to prevent the external object from directly contacting the surface of the inlet pipe 2.

The utility model discloses a theory of operation and use flow: after the utility model is installed, when the maintenance is needed, the connection plate 5 is separated from the contact with the surface of the machine body 1, the drawing connection plate 5 drives the volcanic rock case 4 to be separated from the contact with the inner cavity of the machine body 1 through the through hole, thereby rapidly disassembling the volcanic rock case 4, when the diesel particle filter 8 is damaged and needs to be replaced, the baffle 19 is cancelled to block the front end of the mounting plate 10 by rotating the rotating plate 18, after the sliding blocking plate 9 separates the second limiting plate 12 from the first limiting plate 11, the drawing blocking plate 9 moves towards the direction far away from the machine body 1, thereby the diesel particle filter 8 is detached from the inner cavity of the machine body 1, the fastening bolt is disassembled to separate the fixed rod from the bottom of the blocking plate 9, thereby disassembling the diesel particle filter 8, when the oxidation catalyst 7 is damaged, the blocking plate 9 is separated from the contact with the top end of the machine body 1, diesel particulate filter 8 moves to the outside of organism 1, thereby makes its inner chamber with organism 1 drop contact through lifting oxidation catalyst converter 7 upwards, dismantles diesel particulate filter 8, oxidation catalyst converter 7 or volcanic rock case 4 according to concrete maintenance demand, when needs are installed the dismantlement to inlet pipe 2, makes it run through two risers 15 of homonymy through screw thread piece 20 through rotating threaded rod 17 to fix the completion installation to the position of inlet pipe 2.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a diesel engine tail gas cleanup unit convenient to maintain which characterized in that: comprises a body (1), an air inlet pipe (2), a heat collecting mechanism and a protection mechanism;

the top end and the bottom end of the machine body (1) are both open, the top end of the air inlet pipe (2) is detachably arranged at the bottom end of the inner cavity of the machine body (1), and the heat collecting mechanism is arranged at the bottom of the inner cavity of the machine body (1) and is positioned above the air inlet pipe (2);

the heat collecting mechanism comprises a volcanic rock box (4) which is detachably arranged at the bottom of an inner cavity of the machine body (1) and is provided with an opening at the top, a through hole matched with the volcanic rock box (4) is formed in the bottom of one side of the machine body (1), a connecting plate (5) which penetrates through the outer end of the through hole to the outside of the machine body (1) is fixedly connected to one side of the volcanic rock box (4), and the connecting plate (5) is detachably connected with the surface of the machine body (1) through a mounting bolt;

the protection mechanism is detachably arranged at the top of the machine body (1), the protection mechanism comprises a plugging plate (9) capable of plugging the top end of the machine body (1), a fixed rod is detachably arranged at the bottom of the plugging plate (9), the top end of the fixed rod is detachably connected with the bottom of the plugging plate (9) through a fastening bolt, and the bottom end of the fixed rod is fixedly connected with a diesel particle filter (8);

the inner chamber of organism (1) just is located diesel particulate filter (8) with detachably is provided with oxidation catalyst converter (7) between vesuvianite case (4), the top detachably of shutoff board (9) is provided with outlet duct (13), the bottom of outlet duct (13) runs through extremely the bottom of shutoff board (9).

2. A diesel engine exhaust gas purifying apparatus convenient for maintenance as set forth in claim 1, wherein: organism (1) the equal fixedly connected with mounting panel in top (10) of surperficial both sides, the both sides of mounting panel (10) are uncovered, the first limiting plate (11) of the front side fixedly connected with of mounting panel (10), the bottom of mounting panel (10) rotationally is provided with rotor plate (18), the front end of rotor plate (18) to the front end of mounting panel (10) extends, but the front end fixedly connected with shutoff at rotor plate (18) top baffle (19) of mounting panel (10) front end, the equal fixedly connected with in both ends of shutoff board (9) bottom with second limiting plate (12) of first limiting plate (11) looks adaptation.

3. A diesel engine exhaust gas purifying apparatus convenient for maintenance as set forth in claim 1, wherein: the bottom of the inner wall surface of the machine body (1) is provided with a supporting block (3) with the top contacted with the bottom of the volcanic rock box (4), and the middle part of the inner wall surface of the machine body (1) is fixedly connected with a limiting block (6) with the top contacted with the bottom of the oxidation catalyst (7) and positioned above the volcanic rock box (4).

4. A diesel engine exhaust gas purifying apparatus convenient for maintenance as set forth in claim 1, wherein: and a sealing plate (22) matched with the through hole is arranged on the surface of the connecting plate (5).

5. A diesel engine exhaust gas purifying apparatus convenient to maintain as set forth in claim 1, wherein: go into fixed ring (16) of fixed surface of trachea (2), the front and the equal fixedly connected with thread piece in the back (20) of fixed ring (16), organism (1) surface bottom positive both sides and the equal vertical fixedly connected with bottom in both sides at the back to riser (15) that fixed ring (16) direction extends, two of homonymy rotationally be provided with threaded rod (17) between riser (15), threaded rod (17) with thread piece (20) threaded connection.

6. The diesel exhaust purifying apparatus convenient to maintain as set forth in claim 5, wherein: the surface of the air inlet pipe (2) is positioned below the fixing ring (16) and is fixedly connected with a valve (21).

7. A diesel engine exhaust gas purifying apparatus convenient for maintenance as set forth in claim 1, wherein: the top and the bottom of the surface of the machine body (1) are both fixedly connected with a protective ring (14).