CN117145621A - Diesel engine exhaust emission filtering device - Google Patents
Diesel engine exhaust emission filtering device Download PDFInfo
- Publication number
- CN117145621A CN117145621A CN202311349125.0A CN202311349125A CN117145621A CN 117145621 A CN117145621 A CN 117145621A CN 202311349125 A CN202311349125 A CN 202311349125A CN 117145621 A CN117145621 A CN 117145621A
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- medicine
- filtering
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- box
- diesel engine
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- 238000001914 filtration Methods 0.000 title claims abstract description 119
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 238000005192 partition Methods 0.000 claims abstract description 10
- 239000003814 drug Substances 0.000 claims description 182
- 238000007598 dipping method Methods 0.000 claims description 28
- 238000002347 injection Methods 0.000 claims description 23
- 239000007924 injection Substances 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 22
- 229940079593 drug Drugs 0.000 claims description 16
- 238000002791 soaking Methods 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 12
- 230000003139 buffering effect Effects 0.000 claims description 8
- 210000003437 trachea Anatomy 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 14
- 239000007789 gas Substances 0.000 description 37
- 238000012423 maintenance Methods 0.000 description 10
- 241000220317 Rosa Species 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/022—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/031—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters having means for by-passing filters, e.g. when clogged or during cold engine start
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
The application relates to the technical field of tail gas emission filtration, in particular to a tail gas emission filtration device of a diesel engine, which comprises a layered replacement filtration mechanism, wherein the outer side wall of a first frame body and the outer side wall of a second frame body are connected to one side of the inner side wall of a shell through screws, and three layered partition boards are formed on the inner side wall of the first frame body in an equidistant integrated manner. According to the application, the U-shaped efficient filtering nets are arranged in the four exhaust bins and used for capturing and purifying tail gas discharged by the diesel engine, when the performance of a certain U-shaped efficient filtering net is affected by pollution, a replacement process is started, the rectangular layer-changing frame is slid to the inlet position of the other exhaust bin by controlling the two rodless cylinders and locked on the new U-shaped efficient filtering net, in the operation process, the safety of operators is ensured by isolating the exhaust bins, the contact of harmful gas is avoided, and the current filtering operation is not interfered when the other U-shaped efficient filtering nets are cleaned.
Description
Technical Field
The application relates to the technical field of tail gas emission filtration, in particular to a tail gas emission filtration device of a diesel engine.
Background
The background of the existing diesel engine exhaust emission filtering device is from the concern of environmental pollution and health influence, and the diesel engine can emit some harmful gases and particulate matters in the running process, and the emissions have adverse effects on the atmospheric quality and human health, so that the development and application of the exhaust emission filtering technology become an important environmental protection task;
through retrieval, chinese patent publication No. CN209261650U discloses a diesel engine exhaust gas discharge pipe with a filtering and purifying function, which comprises an exhaust pipe shell, wherein an air inlet hole is formed in the surface of the exhaust pipe shell, an air inlet pipeline is fixedly connected to the inner wall of the air inlet hole, an air outlet hole is formed in the surface of the exhaust pipe shell, an air outlet pipe is fixedly connected to the inner wall of the air outlet hole, an exhaust gas exhaust hole is formed in the surface of the exhaust pipe shell, an exhaust gas exhaust pipe is fixedly connected to the inner wall of the exhaust gas exhaust hole, a first water pipe hole and a second water pipe hole are formed in the surface of the exhaust pipe shell, and a filtering and purifying device is fixedly connected to the inner cavity of the exhaust pipe shell;
with respect to the related art in the above, the inventors found that the following drawbacks exist:
this diesel engine tail gas filters purification function and exists a common maintenance mode, and the device operation is all needed to stop to change the filtering net at every turn to need dismantle whole filter screen from diesel engine, increased the complexity and the maintenance cost of maintaining, operating personnel must handle harmful gas in the maintenance in-process, exist certain security risk, in addition, when the clearance filtering net, its filtering work also can be forced to stop.
Disclosure of Invention
In order to solve the problems that the operation of the device is required to be stopped when the filtering net is replaced every time, the whole filtering net is required to be detached from the diesel engine, the maintenance complexity and the maintenance cost are increased, an operator is required to process harmful gas in the maintenance process, a certain safety risk exists, and in addition, the filtering work is forced to be stopped when the filtering net is cleaned, the application provides the tail gas emission filtering device of the diesel engine, which adopts the following technical scheme:
the device comprises a layered replacement filtering mechanism, wherein the layered replacement filtering mechanism comprises a shell, a first frame, a second frame, three layered separators, four U-shaped efficient filtering nets, two rodless cylinders, a rectangular layered replacement frame, a round pipe, a diesel exhaust connecting pipe and a vertical chute; the outer side wall screw of the first frame body and the second frame body are connected to one side of the inner side wall of the shell, three layering partition boards are equidistantly integrated into one side wall of the first frame body, the first frame body is equidistantly divided into four exhaust bins through the three layering partition boards, the air inlets of the four U-shaped efficient filtering nets are integrally formed at one side of the first frame body, the air inlets of the four U-shaped efficient filtering nets are correspondingly adapted to the positions of the four exhaust bins divided by the three layering partition boards, two rodless cylinders are connected to two sides of the inner wall of the first frame body through screws and positioned at the front side of the layering partition boards, sliding seats are arranged on the two rodless cylinders, the same side screw of the two sliding seats is connected to one side of the rectangular layering exchange frame, the rectangular layering exchange frame is slidingly connected to the inside the second frame body, vertical sliding grooves are formed in the second frame body, the other side of the rectangular layer-changing frame is communicated with a square connecting pipe, the square connecting pipe penetrates through and is in sliding connection with the inside of the vertical sliding groove, the round pipe is fixedly communicated with the other side of the square connecting pipe, the diesel exhaust connecting pipe is fixedly communicated with the adjacent side of the round pipe, one side of the first frame body is provided with four U-shaped filtering net outer sealing covers by equidistant screws, the U-shaped efficient filtering nets are arranged through the four exhaust bins and used for capturing and purifying tail gas discharged by the diesel engine, when the certain U-shaped efficient filtering net affects the performance due to pollution, the replacement process is started, the rectangular layer-changing frame is slid to the inlet position of the other exhaust bin by controlling the two rodless cylinders and is locked on the new U-shaped efficient filtering net, the simplicity of the process effectively reduces the time required by maintaining the filter net, reduces the complexity and the maintenance cost of the maintenance, and in the operation process, the isolation of the exhaust bin ensures the safety of operators, avoids the contact of harmful gases, and prevents the current filtering operation from being interfered when other U-shaped efficient filtering nets are cleaned.
Optionally, four secondary filtering mechanisms are also installed in the shell, and the four secondary filtering mechanisms comprise a filtering cover and a filtering box;
one ends of the filtering covers of the four secondary filtering mechanisms are respectively correspondingly arranged at air outlets of the four U-shaped filtering net outer sealing covers, and the other ends of the filtering covers are fixedly connected to the outer sides of the filtering boxes through pipelines.
Optionally, the four secondary filtering mechanisms further comprise a connecting tuyere and a flow sensor;
a valve is arranged on a pipeline between the filtering cover and the filtering box, the other side of the outer wall of the filtering box is fixedly communicated with one end connected with the tuyere, the flow sensor is arranged on one side of the bottom of the filtering box, a sealing mechanism is arranged on the second frame body, and the sealing mechanism comprises four groups of transverse sliding grooves, a sealing plate and a handle; four groups of transverse sliding grooves are symmetrically formed in the second frame body, two transverse sliding grooves are arranged in each group, sliding blocks are connected in the two transverse sliding grooves in a sliding mode, one sides of the two sliding blocks on each group of transverse sliding grooves are connected to the adjacent sides of the sealing plate through screws, and the handle screws are arranged on the other sides of the sealing plate.
Optionally, a medicine soaking and discharging mechanism is arranged on the other side of the shell, and comprises a medicine soaking box, a medicine adding box, a medicine conveying pipe, a reciprocating medicine injecting pipe, a medicine buffering bin and a medicine injecting head; the bottom screw connection of soaking medicine case is in the top in slow medicine storehouse, the top in slow medicine storehouse just is located the inside fixed mounting of soaking medicine case and has evenly distributed's injection medicine head, the medicine adding box is installed to the outer wall of soaking medicine case, medicine adding box one side bottom fixed intercommunication in the one end of medicine conveyer pipe, the bottom fixed intercommunication of reciprocal medicine pipe is in the bottom in slow medicine storehouse, the top fixed intercommunication in soaking medicine case of reciprocal medicine pipe.
Optionally, the dipping medicine discharging mechanism further comprises a medicine shunt pipe, a control valve and a first delivery pump;
the other end of the medicine conveying pipe is fixedly communicated with the outer side wall of the reciprocating medicine injection pipe, one end of the medicine shunt pipe is fixedly communicated with the outer wall of the medicine conveying pipe, the other end of the medicine conveying pipe is fixedly communicated with the outer side wall of the reciprocating medicine injection pipe, and the first conveying pump is arranged on the outer wall of the medicine conveying pipe, which is close to the medicine adding box.
Optionally, the drug soaking discharging mechanism further comprises an exhaust cover, a drug adding cover, an extension pipe and a second delivery pump; the inner wall threaded connection of exhaust lid is in the top trachea outside of soaking the medical kit, the inner wall threaded connection of dosing lid is in the lateral wall of dosing tube at the top of dosing box, the top of extension pipe is fixed to be linked together in the one end that reciprocal injection tube is located soaking the medical kit inside, delivery pump two install in the lateral wall of reciprocal injection tube, four the high-efficient filter screen of U type is located the inside of four U type filter screen outer enclosure covers respectively, the equal screwed connection in bottom four corners in slow the medicine storehouse has the supporting leg, the equal bolted connection in bottom both sides of shell has the support frame, the adjacent one side of shell and soaking the medical kit passes through screwed connection.
In summary, the application has the following beneficial technical effects:
according to the application, the U-shaped efficient filtering nets are arranged in the four exhaust bins and used for capturing and purifying tail gas discharged by the diesel engine, when the performance of a certain U-shaped efficient filtering net is affected by pollution, a replacement process is started, the rectangular layer-changing frame is slid to the inlet position of the other exhaust bin by controlling the two rodless cylinders and is locked on the new U-shaped efficient filtering net, the time required by maintaining the filtering net is effectively reduced, the complexity and the maintenance cost of maintenance are reduced, in the operation process, the isolation of the exhaust bins ensures the safety of operators, the contact of harmful gas is avoided, and the current filtering operation is not disturbed when the other U-shaped efficient filtering nets are cleaned.
Drawings
FIG. 1 is a schematic view of an overall view structure according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a secondary filtering mechanism according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a split structure of a layered replacement filtering mechanism in an embodiment of the present application;
FIG. 4 is a schematic view of a closure mechanism according to an embodiment of the present application;
FIG. 5 is a schematic cross-sectional structural view of a dipping tank in an embodiment of the application;
FIG. 6 is a schematic view of the structure from another perspective as a whole in an embodiment of the present application;
FIG. 7 is a schematic diagram of a rectangular layer changing frame according to an embodiment of the present application;
fig. 8 is a schematic diagram of a split structure of a U-shaped efficient filtering net and a U-shaped filtering net outer enclosure in an embodiment of the application.
Reference numerals: 10. layered replacement of the filtering mechanism; 11. a housing; 12. a first frame; 121. a second frame; 13. a layered separator; 14. u-shaped high-efficiency filtering net; 15. a U-shaped filtering net outer sealing cover; 16. a rodless cylinder; 17. a sliding seat; 18. a rectangular layer-changing frame; 19. square connecting pipes; 111. a round tube; 112. a diesel exhaust connecting pipe; 113. a vertical chute; 20. a closing mechanism; 21. a transverse chute; 22. a slide block; 23. a closing plate; 24. a handle; 30. a drug infusion discharge mechanism; 31. a dipping medicine box; 32. an exhaust cover; 33. a dosing box; 34. a dosing cap; 35. a drug delivery tube; 36. a reciprocating medicine injection tube; 37. a drug shunt; 38. a control valve; 39. a first conveying pump; 311. an extension tube; 312. a medicine slow bin; 313. spraying a medicine head; 314. a second conveying pump; 40. a secondary filtering mechanism; 41. a filtering cover; 42. a valve; 43. a filter box; 44. connecting an air nozzle; 45. a flow sensor; 51. support legs; 52. and (5) supporting frames.
Detailed Description
The application is described in further detail below with reference to fig. 1-8.
The embodiment of the application discloses a diesel engine exhaust emission filtering device, which comprises a layered replacement filtering mechanism 10, wherein the layered replacement filtering mechanism 10 comprises a shell 11, a first frame 12, a second frame 121, three layered separators 13, four U-shaped efficient filtering nets 14, two rodless cylinders 16, a rectangular layered replacement frame 18, a circular tube 111, a diesel exhaust connecting tube 112 and a vertical chute 113; the outer side wall screw connection of framework one 12 and framework two 121 is in the inside wall one side of shell 11, three layering baffle 13 are equidistant integrated into one piece in the inside wall of framework one 12, framework one 12 is equidistant to separate into four exhaust bins through three layering baffle 13, the air inlet integrated into one side of framework one 12 of four U type high efficiency filter net 14, the air inlet of four U type high efficiency filter net 14 corresponds the adaptation with four exhaust bin positions that separate into through three layering baffle 13, two rodless cylinder 16 pass through screw connection in the inner wall both sides of framework one 12 and lie in layering baffle 13's front side, all install sliding seat 17 on two rodless cylinder 16, the homonymy screw connection of two sliding seat 17 is in one side of rectangle layer frame 18, rectangle layer frame 18 sliding connection is in the inside of framework two 121, vertical chute 113 is opened on framework two 121, the other intercommunication square connecting tube 19 of rectangle layer frame 18 has square connecting tube 19, run through and sliding connection is in the inside of vertical chute 113, 111 is fixed intercommunication in the interior of diesel oil pipe connecting tube 12, the adjacent side of four side of frame 12 is fixed to be connected with the square connecting tube 19, the side of four side of sealing filter net 15 is installed to the equal distance between two side of frame 12.
As shown in fig. 4, four secondary filtering mechanisms 40 are also mounted inside the housing 11, and the four secondary filtering mechanisms 40 include a filtering cover 41 and a filtering box 43; one end of a filtering cover 41 of the four secondary filtering mechanisms 40 is correspondingly arranged at an air outlet of the four U-shaped filtering net outer closed covers 15 respectively, the other end of the filtering cover 41 is fixedly connected to the outer side of the filtering box 43 through a pipeline, and the four secondary filtering mechanisms 40 further comprise a connecting air nozzle 44 and a flow sensor 45; install valve 42 on the pipeline between filtering cover 41 and the rose box 43, the outer wall opposite side of rose box 43 is fixed to be linked together in the one end of connecting tuyere 44, flow sensor 45 installs in the bottom one side of rose box 43, the one end of every filtering cover 41 is connected to the air outlet of corresponding U type filtering net outer enclosure 15, guide through preliminary filterable tail gas entering secondary filtering mechanism 40, ensure that exhaust gas passes through more filtration and processing, filtering cover 41 helps reposition of redundant personnel tail gas, in order to ensure evenly distributed to follow-up rose box 43, flow sensor 45 installs in the bottom one side of rose box 43, be used for real-time supervision tail gas flow rate and flow, ensure tail gas evenly distributed in the rose box through this sensor, simultaneously also can be used for monitoring filtering efficiency.
As shown in fig. 6, a second frame 121 is provided with a closing mechanism 20, and the closing mechanism 20 comprises four groups of transverse sliding grooves 21, a closing plate 23 and a handle 24; four sets of transverse sliding grooves 21 are symmetrically formed in the second frame 121, two transverse sliding grooves 21 are arranged in each set, sliding blocks 22 are slidably connected in the two transverse sliding grooves 21, one sides of the two sliding blocks 22 on each set of transverse sliding grooves 21 are connected to adjacent sides of the sealing plate 23 through screws, a handle 24 is mounted on the other side of the sealing plate 23 through screws, the effect of each set of transverse sliding grooves 21 is to provide a sliding track so that the sliding blocks 22 can move in the sliding tracks, the sliding blocks 22 are located in the transverse sliding grooves 21 and are fixed on adjacent sides of the sealing plate 23, and the sliding blocks 22 slide along the transverse sliding grooves 21 during operation to realize opening and closing of the sealing plate 23 and cover other areas of the sealing vertical sliding grooves 113.
As shown in fig. 3, the other side of the housing 11 is provided with a dipping discharge mechanism 30, and the dipping discharge mechanism 30 comprises a dipping tank 31, a dosing tank 33, a medicine delivery pipe 35, a reciprocating medicine injection pipe 36, a medicine buffering bin 312 and a medicine injection head 313; the bottom of the dipping medicine box 31 is connected with the top of the slow medicine bin 312 through screws, the top of the slow medicine bin 312 is fixedly provided with uniformly distributed injection medicine heads 313 which are positioned in the dipping medicine box 31, the outer wall of the dipping medicine box 31 is provided with a medicine adding box 33, one side bottom of the medicine adding box 33 is fixedly communicated with one end of a medicine conveying pipe 35, the bottom of a reciprocating medicine injecting pipe 36 is fixedly communicated with the bottom of the slow medicine bin 312, the top of the reciprocating medicine injecting pipe 36 is fixedly communicated with the top of the dipping medicine box 31, and the dipping medicine discharging mechanism 30 further comprises a medicine split pipe 37, a control valve 38 and a conveying pump 39; the other end of the medicine delivery pipe 35 is fixedly communicated with the outer side wall of the reciprocating medicine injection pipe 36, one end of the medicine shunt pipe 37 is fixedly communicated with the outer wall of the medicine delivery pipe 35, the other end of the medicine delivery pipe 35 is fixedly communicated with the outer side wall of the reciprocating medicine injection pipe 36, and the delivery pump I39 is arranged on the outer wall of the medicine delivery pipe 35 close to the medicine adding box 33; the dipping medicine discharging mechanism 30 further comprises an exhaust cover 32, a medicine adding cover 34, an extension pipe 311 and a second delivery pump 314; the inner wall of the exhaust cover 32 is in threaded connection with the outer side of the top air pipe of the dipping medicine box 31, the inner wall of the medicine adding cover 34 is in threaded connection with the outer side wall of the medicine adding pipe at the top of the medicine adding box 33, the top end of the extension pipe 311 is fixedly connected with one end of the medicine adding pipe 36 positioned in the dipping medicine box 31, the second conveying pump 314 is arranged on the outer side wall of the medicine adding pipe 36, both the dipping medicine box 31 and the medicine adding box 33 contain mixed medicines, when medicines are injected, the medicine is allowed to flow through the control valve 38 to start to run through the first conveying pump 39, the medicine is conveyed from the medicine adding box 33 to the medicine adding pipe 36 through the medicine conveying pipe 35, the mixed medicines flow through the medicine conveying pipe 35 to enter the medicine adding pipe 36, the bottom of the medicine adding pipe 36 is fixedly connected to the bottom of the medicine adding box 312, the top of the medicine adding box 31, after the medicine enters the medicine adding into the medicine adding box 36, the medicine is uniformly injected into the medicine adding box 312 through the layout and the structure of the medicine adding pipe 36, once the medicine is injected into the medicine adding into the medicine box 312, the medicine adding into the medicine box 313 is uniformly, the medicine is uniformly distributed at the top of the medicine box 312, and the medicine adding into the medicine box is uniformly, and the medicine box 313 is uniformly distributed at the tail gas after the medicine adding into the medicine box 312, and the medicine box is injected into the medicine box through the back-box 36, and the bottom of the medicine box, and the tail gas is uniformly distributed into the medicine, and uniformly.
As shown in fig. 4, four U-shaped high-efficiency filtering nets 14 are respectively located inside the four U-shaped filtering net outer sealing covers 15, four corners of the bottom of the medicine buffering bin 312 are respectively connected with supporting legs 51 through screws, two sides of the bottom of the shell 11 are respectively connected with supporting frames 52 through bolts, and the shell 11 is connected with one side adjacent to the medicine dipping box 31 through screws.
The embodiment of the application relates to an implementation principle of a diesel engine exhaust emission filtering device, which comprises the following steps:
first, the device is in an initial state in which each of the four exhaust chambers is equipped with a U-shaped high efficiency filter net 14 for capturing and filtering exhaust emissions from the diesel engine, and when the diesel engine is running, exhaust gas is introduced into the exhaust chambers in the device through the exhaust pipes, each exhaust chamber contains a U-shaped high efficiency filter net 14 for capturing particulate matter and harmful gases, the U-shaped high efficiency filter nets 14 effectively clean the exhaust gas and capture the exhaust materials on the filter net, and when a certain U-shaped high efficiency filter net 14 is used for a certain period of time, too many pollutants are accumulated to affect the performance, in this case, by replacing the filter net. Firstly, through starting the replacement process and triggering the operation of two rodless cylinders 16, the two rodless cylinders 16 push the rectangular layer-changing frame 18 to slide on the inner wall of the second frame 121 through the corresponding sliding seat 17, so that the rectangular layer-changing frame 18 is connected to the inside of the second frame 121 in a sliding way, once the rectangular layer-changing frame 18 slides to the correct position and the square connecting pipe 19 is synchronously connected to the inside of the vertical chute 113 in a sliding way, the rectangular layer-changing frame 18 is controlled to move to the next U-shaped high-efficiency filter screen 14 and locked on the U-shaped high-efficiency filter screen 14, the current U-shaped high-efficiency filter screen 14 is a clean filter screen, the safe replacement of the U-shaped high-efficiency filter screen 14 in the replacement process and the isolation of an exhaust bin are ensured, the circular pipe 111 and the diesel exhaust connecting pipe 112 are driven to realize linkage through the movement of the rectangular layer-changing frame 18, the diesel exhaust connecting pipe 112 is a soft metal pipe, the height of different U-shaped high-efficiency filter meshes 14 can be better adapted, and then other used U-shaped high-efficiency filter meshes 14 can be cleaned in a convenient time, the U-shaped high-efficiency filter meshes 14 outside the U-shaped high-efficiency filter meshes 14 can be removed by unscrewing screws on the U-shaped filter mesh outer sealing cover 15 connected with the U-shaped high-efficiency filter meshes, the U-shaped high-efficiency filter meshes 14 are cleaned, the use of other U-shaped high-efficiency filter meshes 14 can not be influenced, the discharged tail gas enters the connecting air nozzle 44 through the U-shaped filter mesh outer sealing cover 15, the U-shaped filter mesh outer sealing cover 15 is used for guiding the tail gas flow to a subsequent treatment part, meanwhile, the U-shaped high-efficiency filter meshes 14 are protected from being polluted by external environment, the tail gas enters the secondary filter mechanism 40, the residual trace tail gas is filtered again through the filter box 43, and in the process, the flow sensor 45 monitors the flow to the filter tank 43 in real time, so that the flow of the gas flowing through the U-shaped high-efficiency filter screen 14 can be judged, then, the gas enters the inside of the dipping and discharging mechanism 30 through the filter cover 41, when the dipping and discharging mechanism 30 is in a preparation state, both the dipping and discharging mechanism 31 and the dosing tank 33 contain mixed medicine, when the medicine is injected, the control valve 38 is opened to allow the medicine to flow, the first 39 of the delivery pump starts to operate, the medicine is conveyed from the dosing tank 33 to the reciprocating medicine injection tube 36 through the medicine conveying tube 35, the mixed medicine flows through the medicine conveying tube 35 to enter the reciprocating medicine injection tube 36, the bottom of the reciprocating medicine injection tube 36 is fixedly connected to the bottom of the slow medicine bin 312, the top is connected to the top of the dipping and the medicine enters the reciprocating medicine injection tube 36, through the layout and the structure of the reciprocating medicine injection tube 36, medicines are uniformly injected into the medicine buffering bin 312, once the medicines enter the medicine buffering bin 312, the injection medicine heads 313 are uniformly distributed at the top of the medicine buffering bin 312, the injection medicine heads 313 are used for injecting the medicines into the tail gas, the injection of the medicines can be uniform so as to ensure the uniform distribution of the medicine concentration in the tail gas, thereby improving the purification efficiency, the exhaust cover 32 is positioned at the top of the medicine dipping box 31, the inner wall of the exhaust cover is provided with threads for releasing generated exhaust gas, the second conveying pump 314 is positioned at the outer side wall of the reciprocating medicine injection tube 36 and is used for further increasing the flow of the medicines so as to ensure that the medicines can be smoothly injected into the medicine buffering bin 312 and the tail gas, and finally, the medicines are introduced into the tail gas so as to further purify or convert harmful substances in the tail gas and ensure that the emission reaches the environmental protection standard.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (10)
1. The utility model provides a diesel engine exhaust emission filters device, includes layering change straining device (10), its characterized in that: the layered replacement filtering mechanism (10) comprises a shell (11), a first frame (12), a second frame (121), three layered partition plates (13), four U-shaped efficient filtering nets (14), two rodless cylinders (16), a rectangular layered replacement frame (18), a round tube (111), a diesel exhaust connecting tube (112) and a vertical chute (113);
the utility model is characterized in that the outer side wall screw of the first frame body (12) and the second frame body (121) is connected to one side of the inner side wall of the outer shell (11), three layering partition boards (13) are equidistantly integrated into one piece and are positioned on the inner side wall of the first frame body (12), the first frame body (12) is equidistantly divided into four exhaust bins through the three layering partition boards (13), the air inlets of the four U-shaped efficient filtering nets (14) are integrated into one side of the first frame body (12), the air inlets of the four U-shaped efficient filtering nets (14) are correspondingly matched with the positions of the four exhaust bins divided by the three layering partition boards (13), two rodless cylinders (16) are connected to the two sides of the inner wall of the first frame body (12) through screws and are positioned on the front side of the layering partition boards (13), the two rodless cylinders (16) are respectively provided with a sliding seat (17), the two sliding seats (17) are connected to one side of a rectangular layer-changing frame (18) through screws, the rectangular layer-changing frame (18) is connected to the two side of the two vertical sliding frames (19), the two sliding frames (19) are connected to the other side of the two vertical sliding frames (19) through the two sliding frames (19) and are connected to the other side of the two vertical sliding frames (19) and are connected to the two vertical sliding frames (19) through the two sliding frames (19), the diesel exhaust connecting pipe (112) is fixedly communicated with the adjacent side of the circular pipe (111), and four U-shaped filtering net outer sealing covers (15) are arranged on one side of the first frame body (12) in an equidistant screw mode.
2. The diesel engine exhaust filtering device according to claim 1, wherein: the inside of the shell (11) is also provided with four secondary filtering mechanisms (40), and the four secondary filtering mechanisms (40) comprise a filtering cover (41) and a filtering box (43);
one end of a filtering cover (41) of the four secondary filtering mechanisms (40) is correspondingly arranged at air outlets of four U-shaped filtering net outer sealing covers (15) respectively, and the other end of the filtering cover (41) is fixedly connected to the outer side of a filtering box (43) through a pipeline.
3. The diesel engine exhaust filtering device according to claim 2, wherein: the four secondary filtering mechanisms (40) further comprise connecting air nozzles (44) and flow sensors (45);
a valve (42) is arranged on a pipeline between the filtering cover (41) and the filtering box (43), the other side of the outer wall of the filtering box (43) is fixedly communicated with one end of a connecting tuyere (44), and the flow sensor (45) is arranged on one side of the bottom of the filtering box (43).
4. The diesel engine exhaust filtering device according to claim 1, wherein: a closing mechanism (20) is arranged on the second frame body (121), and the closing mechanism (20) comprises four groups of transverse sliding grooves (21), a closing plate (23) and a handle (24);
four groups of transverse sliding grooves (21) are symmetrically formed in a second frame body (121), each group of transverse sliding grooves (21) is two, sliding blocks (22) are slidably connected in the two groups of transverse sliding grooves (21), one sides of the two sliding blocks (22) on each group of transverse sliding grooves (21) are connected with adjacent sides of a sealing plate (23) through screws, and handles (24) are mounted on the other sides of the sealing plate (23) through screws.
5. A diesel engine exhaust filtering apparatus according to claim 3, wherein: a medicine dipping and discharging mechanism (30) is arranged on the other side of the shell (11), and the medicine dipping and discharging mechanism (30) comprises a medicine dipping box (31), a medicine adding box (33), a medicine conveying pipe (35), a reciprocating medicine injecting pipe (36), a medicine buffering bin (312) and a medicine injecting head (313); the bottom screw connection of soaking medicine case (31) is in the top of slow medicine storehouse (312), the top of slow medicine storehouse (312) just is located the inside fixed mounting of soaking medicine case (31) and has evenly distributed's injection medicine head (313), the medicine adding box (33) are installed to the outer wall of soaking medicine case (31).
6. The diesel engine exhaust filtering device according to claim 5, wherein: one side bottom of dosing case (33) is fixed to be linked together in the one end of medicine conveyer pipe (35), the bottom fixed intercommunication of reciprocal medicine pipe (36) is in the bottom of slow medicine storehouse (312), the top of reciprocal medicine pipe (36) is fixed to be linked together in the top of soaking medicine case (31).
7. The diesel engine exhaust filtering device according to claim 6, wherein: the dipping medicine discharging mechanism (30) further comprises a medicine shunt pipe (37), a control valve (38) and a delivery pump I (39);
the other end of the medicine conveying pipe (35) is fixedly communicated with the outer side wall of the reciprocating medicine injection pipe (36), one end of the medicine shunt pipe (37) is fixedly communicated with the outer wall of the medicine conveying pipe (35), the other end of the medicine conveying pipe (35) is fixedly communicated with the outer side wall of the reciprocating medicine injection pipe (36), and the conveying pump I (39) is arranged on the outer wall, close to the medicine adding box (33), of the medicine conveying pipe (35).
8. The diesel engine exhaust filtering device according to claim 7, wherein: the drug soaking discharging mechanism (30) further comprises an exhaust cover (32), a drug adding cover (34), an extension pipe (311) and a second delivery pump (314); the inner wall threaded connection of exhaust lid (32) is in the top trachea outside of dipping medicine case (31), the inner wall threaded connection of dosing lid (34) is in the lateral wall of dosing pipe at dosing box (33) top, the top of extension pipe (311) is fixed to be linked together in reciprocal one end that is located dipping medicine case (31) of penetrating medicine pipe (36), delivery pump two (314) are installed in the lateral wall of reciprocal penetrating medicine pipe (36).
9. The diesel engine exhaust filtering device according to claim 8, wherein: the four U-shaped high-efficiency filtering nets (14) are respectively positioned in the four U-shaped filtering net outer closed covers (15).
10. The diesel engine exhaust filtering device according to claim 9, wherein: the four corners of the bottom of the medicine slow-releasing bin (312) are respectively connected with supporting legs (51) through screws, the two sides of the bottom of the shell (11) are respectively connected with a supporting frame (52) through bolts, and the shell (11) is connected with one side adjacent to the medicine dipping box (31) through screws.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311349125.0A CN117145621B (en) | 2023-10-18 | 2023-10-18 | Diesel engine exhaust emission filtering device |
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| CN202311349125.0A CN117145621B (en) | 2023-10-18 | 2023-10-18 | Diesel engine exhaust emission filtering device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004162594A (en) * | 2002-11-13 | 2004-06-10 | S & S Engineering:Kk | Exhaust emission control device for diesel engine |
| US20110000199A1 (en) * | 2008-07-10 | 2011-01-06 | Hitachi Construction Machinery Co., Ltd. | Construction machine |
| CN215170276U (en) * | 2021-07-16 | 2021-12-14 | 北京沃达动力科技有限公司 | Tail gas purification device for diesel generating set |
| CN114682090A (en) * | 2022-04-18 | 2022-07-01 | 徐州宝美工程机械有限公司 | Tail gas purification device for mining explosion-proof diesel engine and using method thereof |
| CN116531938A (en) * | 2023-05-31 | 2023-08-04 | 广西粤桥新材料科技有限公司 | Rotary kiln tail gas clean-up system |
-
2023
- 2023-10-18 CN CN202311349125.0A patent/CN117145621B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004162594A (en) * | 2002-11-13 | 2004-06-10 | S & S Engineering:Kk | Exhaust emission control device for diesel engine |
| US20110000199A1 (en) * | 2008-07-10 | 2011-01-06 | Hitachi Construction Machinery Co., Ltd. | Construction machine |
| CN215170276U (en) * | 2021-07-16 | 2021-12-14 | 北京沃达动力科技有限公司 | Tail gas purification device for diesel generating set |
| CN114682090A (en) * | 2022-04-18 | 2022-07-01 | 徐州宝美工程机械有限公司 | Tail gas purification device for mining explosion-proof diesel engine and using method thereof |
| CN116531938A (en) * | 2023-05-31 | 2023-08-04 | 广西粤桥新材料科技有限公司 | Rotary kiln tail gas clean-up system |
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| CN117145621B (en) | 2024-03-29 |
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