CN111075540B

CN111075540B - Agricultural machinery exhaust system convenient to clearance smoke and dust

Info

Publication number: CN111075540B
Application number: CN201911306030.4A
Authority: CN
Inventors: 吕西洋; 徐庆辉; 胡学友; 杨家坤; 王培虎
Original assignee: Suzhou Longxing Machinery Manufacturing Co ltd
Current assignee: Suzhou Longxing Machinery Manufacturing Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2021-04-20
Anticipated expiration: 2039-12-18
Also published as: CN111075540A

Abstract

The invention relates to an agricultural machinery exhaust system convenient for cleaning smoke dust, which comprises a bent exhaust pipeline, a dust collection box, an exhaust chamber and an exhaust port, wherein the left end of the exhaust chamber is connected with an agricultural machinery engine through a connecting pipeline, the right end of the exhaust chamber is fixedly connected with the bent exhaust pipeline, the top of the dust collection box is communicated with the bent exhaust pipeline, a first asbestos mesh, a second asbestos mesh and a smoke dust backflow prevention mesh are arranged in the bent exhaust pipeline, sparks in tail gas of the engine can be effectively prevented from being discharged from the exhaust port to cause fire hazard through the first asbestos mesh and the second asbestos mesh which are arranged in the bent exhaust pipeline, large-particle smoke dust discharged by the agricultural machinery engine can be effectively collected through the dust collection box and the smoke dust backflow prevention mesh, the content of solid particles in smoke dust waste gas is reduced, the discharged tail gas is more environment-friendly, and the dust collection box is pulled out from a drawer by opening a box door, the ash and the particulate matters in the dust collection drawer are cleaned, and the dust collection drawer is convenient to use for a long time.

Description

Agricultural machinery exhaust system convenient to clearance smoke and dust

Technical Field

The invention relates to an agricultural machinery exhaust system convenient for cleaning smoke dust, and belongs to the field of agricultural machinery accessory equipment.

Background

Agricultural machinery refers to various mechanical equipment used in agricultural production, and is generally called as follows: the agricultural machinery circulation industry is an open industry with higher marketization degree, the industry has the characteristics of more operating enterprises, low concentration degree, nonstandard market competition and the like, so that the agricultural machinery circulation market competition is very fierce, in addition, along with the enhancement of the national agricultural policy supporting strength, the fund of the agricultural machinery purchase subsidy project is increased, the market competition in the industry is further enhanced while the agricultural machinery market is further prosperous, the agricultural machinery circulation in China faces unprecedented great conditions, the agricultural machinery circulation industry is developed into a leading industry from a terminal industry, the requirements of high-speed growth of the agricultural machinery market and rapid improvement of the national mechanization level inevitably bring a difficult development opportunity to the agricultural machinery circulation enterprise, but the existing agricultural machinery exhaust system often emits sparks in the use process, because a large amount of inflammable matters such as straws, weeds and the like exist in agricultural production, fire hazard is easily caused, and meanwhile, most agricultural machines adopt diesel engines, and the discharged tail gas has serious pollution to air.

Disclosure of Invention

The invention aims to provide an agricultural machinery exhaust system convenient for cleaning smoke dust, which can effectively collect large-particle smoke dust discharged by an agricultural machinery engine through a dust collection box and a smoke dust backflow prevention net, reduce the content of solid particles in smoke dust waste gas, ensure that the discharged tail gas is more environment-friendly, and can clean ash and particles in a dust collection drawer by opening a box door to pull the dust collection drawer out of a slide rail, thereby being convenient for long-time use and effectively solving the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme:

the utility model provides an agricultural machinery exhaust system convenient to clearance smoke and dust, includes crooked exhaust duct, dust collection box, exhaust chamber, gas vent, the exhaust chamber left end is connected with the agricultural machinery engine through the connecting tube, the crooked exhaust duct of exhaust chamber right-hand member fixed connection, the crooked exhaust duct of dust collection box top intercommunication, inside first asbestos gauge, the second asbestos gauge, the smoke and dust of being equipped with of crooked exhaust duct prevent the backflow net, through the inside first asbestos gauge, the second asbestos gauge that set up of crooked exhaust duct can effectively prevent mars in the engine tail gas from discharging from the gas vent and causing the conflagration hidden danger, can effectively collect the big granule smoke and dust of agricultural machinery engine exhaust through dust collection box and smoke and dust prevent the backflow net, reduce the content of solid particle thing in the smoke and dust waste gas, the exhaust tail gas is more environmental protection.

Further, the bent exhaust pipeline is composed of a first transverse pipeline, a first longitudinal pipeline, a second transverse pipeline, a second longitudinal pipeline, a third transverse pipeline and a third longitudinal pipeline which are sequentially arranged from left to right, the first transverse pipeline, the first longitudinal pipeline, the second transverse pipeline, the second longitudinal pipeline, the third transverse pipeline and the third longitudinal pipeline are sequentially communicated from left to right, the left end of the first transverse pipeline is communicated with the exhaust chamber, the exhaust port is arranged at the right end of the third longitudinal pipeline, and the bottom of the third transverse pipeline is communicated with the dust collection box.

Further, an agricultural machine chassis is arranged at the bottom of the agricultural machine engine, an agricultural machine cover is arranged at the top of the agricultural machine chassis, and the dust collecting box and the exhaust chamber are fixedly connected to the top of the agricultural machine chassis.

Furthermore, the inner wall of the second transverse pipeline is provided with a fireproof asbestos felt, the inside of the second longitudinal pipeline is provided with a first asbestos net, the inside of the third longitudinal pipeline is provided with a second asbestos net, the smoke backflow prevention net is arranged inside the third transverse pipeline, the front side surface of the dust collection box is movably connected with a box door through a hinge, and a sealing gasket is arranged at the joint of the dust collection box and the box door.

Further, the diameter of the meshes of the first asbestos gauge is larger than that of the meshes of the second asbestos gauge, and downward-inclined blocking pieces are arranged at the bottoms of the meshes of the smoke backflow prevention screen.

Furthermore, a sliding rail is fixedly connected to the inner wall of the left side of the dust collection box, a dust collection drawer is slidably connected to the inside of the dust collection box through the sliding rail, and a handle is arranged on the dust collection drawer.

Compared with the prior art, the invention has the following beneficial effects:

1. the asbestos net and the fireproof asbestos felt have a good flame-retardant effect, when tail gas with sparks sequentially passes through the fireproof asbestos felt, the first asbestos net and the second asbestos net, the tail gas can be extinguished into ash, wherein the diameter of a mesh hole of the first asbestos net is large, most of solid particles and spark ash can pass through the first asbestos net and fall into a dust collection drawer in a dust collection box through a smoke backflow prevention net, the diameter of a mesh hole of the second asbestos net is small, a small part of fixed particles and sparks cannot pass through the second asbestos net and fall into a third transverse pipeline at the bottom through collision, the fixed particles and the sparks continue to fall into the dust collection drawer in the dust collection box through the smoke backflow prevention net, combustible sparks and large solid particles are effectively prevented from being contained in the tail gas discharged from an exhaust port, and pollution of the tail gas to the environment is reduced;

2. through slide rail and chamber door, can open the chamber door and take out collection dirt drawer from the slide rail, clear up ashes and particulate matter in the collection dirt drawer, convenient long-time use.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

FIG. 1 is a structural diagram of an agricultural exhaust system convenient for cleaning smoke dust according to the present invention.

FIG. 2 is a structural view of the internal installation of the exhaust system of the agricultural machine convenient for clearing smoke dust.

FIG. 3 is a view of the internal structure of the dust collecting box of the exhaust system of the agricultural machine convenient for cleaning smoke dust.

Reference numbers in the figures: 1. an agricultural machine engine; 2. an agricultural machine chassis; 3. a dust collecting box; 4. an exhaust chamber; 5. a first longitudinal conduit; 6. a second transverse conduit; 7. a first transverse conduit; 8. a second longitudinal conduit; 9. a third longitudinal conduit; 10. an exhaust port; 11. a first asbestos web; 12. a second asbestos web; 13. a smoke backflow prevention net; 14. a third transverse conduit; 15. a dust collection drawer; 16. a fire-proof asbestos felt; 17. an agricultural machinery cover; 18. connecting a pipeline; 19. a box door; 20. a slide rail; 21. a gasket; 22. a handle.

Detailed Description

The present invention will be further described with reference to the following detailed description, wherein the drawings are for illustrative purposes only and are not intended to be limiting, wherein certain elements may be omitted, enlarged or reduced in size, and are not intended to represent the actual dimensions of the product, so as to better illustrate the detailed description of the invention.

Example 1

As shown in figures 1-2, an agricultural machinery exhaust system convenient for cleaning smoke dust comprises a bent exhaust pipeline, a dust collection box 3, an exhaust chamber 4 and an exhaust port 10, the left end of the exhaust chamber 4 is connected with an agricultural engine 1 through a connecting pipeline 18, the right end of the exhaust chamber 4 is fixedly connected with a bent exhaust pipeline, the top of the dust collecting box 3 is communicated with a bent exhaust pipeline, a first asbestos mesh 11, a second asbestos mesh 12 and a smoke backflow prevention mesh 13 are arranged in the bent exhaust pipeline, the first asbestos cloth 11 and the second asbestos cloth 12 which are arranged in the bent exhaust pipeline can effectively prevent sparks in engine exhaust from being exhausted from the exhaust port 10 to cause fire hazard, the large-particle smoke dust discharged by the agricultural machinery engine 1 can be effectively collected through the dust collection box 3 and the smoke dust backflow prevention net 13, the content of solid particles in smoke dust waste gas is reduced, and the discharged tail gas is more environment-friendly.

In the present embodiment, the curved exhaust duct is composed of a first transverse duct 7, a first longitudinal duct 5, a second transverse duct 6, a second longitudinal duct 8, a third transverse duct 14, and a third longitudinal duct 9, which are sequentially arranged from left to right, the first transverse duct 7, the first longitudinal duct 5, the second transverse duct 6, the second longitudinal duct 8, the third transverse duct 14, and the third longitudinal duct 9 are sequentially communicated from left to right, the left end of the first transverse duct 7 is communicated with the exhaust chamber 4, the exhaust port 10 is arranged at the right end of the third longitudinal duct 9, and the bottom of the third transverse duct 14 is communicated with the dust collecting box 3;

through the bent exhaust duct formed by the first transverse duct 7, the first longitudinal duct 5, the second transverse duct 6, the second longitudinal duct 8, the third transverse duct 14 and the third longitudinal duct 9 which are sequentially communicated from left to right, when the tail gas of the agricultural engine 1 is exhausted from the exhaust chamber 4, the tail gas sequentially passes through the bent exhaust duct formed by the first transverse duct 7, the first longitudinal duct 5, the second transverse duct 6, the second longitudinal duct 8, the third transverse duct 14 and the third longitudinal duct 9, most of the tail gas with sparks is burnt into ash in the bent exhaust duct after passing through a longer passage, and therefore fire hazards caused by the fact that sparks in the tail gas of the engine are exhausted from the exhaust port 10 can be effectively reduced.

In the implementation, the bottom of the agricultural machine engine 1 is provided with an agricultural machine chassis 2, the top of the agricultural machine chassis 2 is provided with an agricultural machine cover 17, and the dust collecting box 3 and the exhaust chamber 4 are both fixedly connected to the top of the agricultural machine chassis 2.

In this embodiment, a fireproof asbestos felt 16 is arranged on the inner wall of the second transverse pipeline 6, a first asbestos mesh 11 is arranged inside the second longitudinal pipeline 8, a second asbestos mesh 12 is arranged inside the third longitudinal pipeline 9, the smoke dust backflow-preventing mesh 13 is arranged inside the third transverse pipeline 14, a box door 19 is movably connected to the front side surface of the dust collection box 3 through a hinge, and a sealing gasket 21 is arranged at the connection position of the dust collection box 3 and the box door 19;

asbestos gauge has better fire-retardant effect with fire prevention asbestos gauge 16, tail gas when having the spark is in proper order through fire prevention asbestos gauge 16, first asbestos gauge 11, can extinguish behind the second asbestos gauge 12 for ashes, wherein the mesh diameter of first asbestos gauge 11 is great, can let most solid particulate matter and mars ashes pass through, it falls into collection dirt drawer 15 inside dust collection box 3 to prevent backward flow net 13 through the smoke and dust inside, the mesh diameter of second asbestos gauge 12 is less, few fixed particulate matter and mars can not pass through, can fall into inside the third transverse pipe 14 of bottom through the collision, it continues to fall into collection dirt drawer 15 inside dust collection box 3 through smoke and dust prevent backward flow net 13 inside, no combustible mars and great solid particulate matter have effectively guaranteed in the tail gas of gas vent 10 department discharge, reduce the pollution of tail gas to the environment.

In this implementation, the mesh diameter of first asbestos gauge 11 is greater than the mesh diameter of second asbestos gauge 12, mesh bottom on smoke and dust backflow prevention net 13 is equipped with the separation blade of downward sloping, and when the particulate matter in the dust collection drawer 15 waved because the flow of air caused, the separation blade of downward sloping that smoke and dust backflow prevention net 13 bottom set up can effectively play and block the effect, can effectively reduce the inside particulate matter of dust collection drawer 15 and flow back to crooked exhaust duct in, and dust collection effect is better.

As shown in fig. 3, in this embodiment, a slide rail 20 is fixedly connected to the inner wall of the left side of the dust collecting box 3, a dust collecting drawer 15 is slidably connected to the inside of the dust collecting box 3 through the slide rail 20, and a handle 22 is provided on the dust collecting drawer 15;

through slide rail 20 and chamber door 19, can open chamber door 19 and take out collection dirt drawer 15 from slide rail 20, clear up ashes and particulate matter in the collection dirt drawer 15, convenient long-time use utilizes the sealed pad 21 that sets up with chamber door 19 junction of collection dirt box 3, and sealed pad 21 selects uses high temperature resistant material, can effectively guarantee that tail gas can not discharge from collection dirt box 3 when chamber door 19 closes.

By adopting the technical scheme: through the inside first asbestos gauge 11 that sets up of crooked exhaust duct, second asbestos gauge 12 can effectively prevent the spark in the engine exhaust from discharging from gas vent 10 and causing the fire hazard, prevent backflow net 13 through dust collection box 3 and smoke and dust and can effectively collect 1 exhaust large granule smoke and dust of agricultural machinery engine, reduce the content of solid particle thing in the smoke and dust waste gas, exhaust tail gas is more environmental protection, take out collection dirt drawer 15 from slide rail 20 through opening chamber door 19, ash and particulate matter in the collection dirt drawer 15 clear up, convenient long-time use.

Example 2

The difference between the embodiment 2 and the embodiment 1 is that the exhaust chamber 4 is replaced by a special exhaust gas treatment device, such as a diesel particulate filter, so that the exhaust gas discharged by the agricultural engine 1 can be further purified, particulate matters and pollutants in the exhaust gas discharged by the agricultural engine 1 are effectively reduced, and the exhaust gas treatment device is more environment-friendly.

It should be noted that, when the exhaust system of the agricultural machine is used, firstly, after the exhaust gas of the agricultural machine engine 1 is exhausted from the exhaust chamber 4, the exhaust gas passes through the curved exhaust passage formed by the first transverse pipe 7, the first longitudinal pipe 5, the second transverse pipe 6, the second longitudinal pipe 8, the third transverse pipe 14 and the third longitudinal pipe 9 in sequence, because the exhaust gas passes through the longer passage, most of the exhaust gas with sparks is burnt into ashes in the curved exhaust passage, the asbestos mesh and the fireproof asbestos felt 16 have better flame retardant effect, when the exhaust gas with sparks passes through the fireproof asbestos felt 16, the first asbestos mesh 11 and the second asbestos mesh 12 in sequence, the mesh diameter of the first asbestos mesh 11 is larger, most of the solid particles and the sparks ashes can pass through, and the exhaust gas falls into the dust collection drawer 15 in the dust collection box 3 through the backflow prevention mesh 13, the mesh diameter of second asbestos gauge 12 is less, few fixed particulate matters and spark can not pass through, can fall into inside the third transverse duct 14 of bottom through the collision, prevent that backflow net 13 continues to fall into collection dirt drawer 15 inside the dust collection box 3 through the smoke and dust, it does not have combustible spark and great solid particle thing effectively to have guaranteed in the exhaust tail gas of gas vent 10 department, spark in can effectively reducing engine exhaust from gas vent 10 department discharge and cause the fire hazard, reduce the pollution of tail gas to the environment, will gather dirt drawer 15 and take out from slide rail 20 through opening chamber door 19, ash and particulate matter in the collection dirt drawer 15 clear up, convenient long-time use.

While there have been shown and described what are at present considered the preferred embodiments of the invention, the fundamental principles and essential features of the invention and advantages thereof, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are included to illustrate the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims

1. The utility model provides an agricultural machinery exhaust system convenient to clearance smoke and dust, includes crooked exhaust duct, dust-collecting box (3), exhaust chamber (4), gas vent (10), its characterized in that: the left end of the exhaust chamber (4) is connected with an agricultural engine (1) through a connecting pipeline (18), the right end of the exhaust chamber (4) is fixedly connected with a bent exhaust pipeline, the top of the dust collection box (3) is communicated with the bent exhaust pipeline, a first asbestos mesh (11), a second asbestos mesh (12) and a smoke backflow prevention mesh (13) are arranged in the bent exhaust pipeline, sparks in engine tail gas can be effectively prevented from being discharged from an exhaust port (10) to cause fire hazard through the first asbestos mesh (11) and the second asbestos mesh (12) arranged in the bent exhaust pipeline, large particles of smoke and dust discharged by the agricultural engine (1) can be effectively collected through the dust collection box (3) and the smoke backflow prevention mesh (13), and the content of solid particles in smoke and dust waste gas is reduced; the bent exhaust pipeline is composed of a first transverse pipeline (7), a first longitudinal pipeline (5), a second transverse pipeline (6), a second longitudinal pipeline (8), a third transverse pipeline (14) and a third longitudinal pipeline (9) which are sequentially arranged from left to right, the first transverse pipeline (7), the first longitudinal pipeline (5), the second transverse pipeline (6), the second longitudinal pipeline (8), the third transverse pipeline (14) and the third longitudinal pipeline (9) are sequentially communicated from left to right, the left end of the first transverse pipeline (7) is communicated with an exhaust chamber (4), an exhaust port (10) is arranged at the right end of the third longitudinal pipeline (9), and the bottom of the third transverse pipeline (14) is communicated with a dust collection box (3); be equipped with fire prevention asbestos felt (16) on second transverse duct (6) inner wall, the inside first asbestos gauge (11) that is equipped with of second vertical pipeline (8), the inside second asbestos gauge (12) that is equipped with of third vertical pipeline (9), smoke and dust are prevented backflow net (13) and are set up inside third transverse duct (14), there is chamber door (19) through hinge swing joint on dust collection box (3) the leading flank, dust collection box (3) and chamber door (19) junction are equipped with sealed pad (21).

2. The agricultural machine exhaust system convenient for clearing smoke according to claim 1, wherein: the agricultural machinery dust collecting box is characterized in that an agricultural machinery chassis (2) is arranged at the bottom of the agricultural machinery engine (1), an agricultural machinery cover (17) is arranged at the top of the agricultural machinery chassis (2), and the dust collecting box (3) and the exhaust chamber (4) are fixedly connected to the top of the agricultural machinery chassis (2).

3. The agricultural machine exhaust system convenient for clearing smoke according to claim 1, wherein: the mesh diameter of the first asbestos net (11) is larger than that of the second asbestos net (12), and downward-inclined blocking pieces are arranged at the bottoms of the meshes on the smoke backflow preventing net (13).

4. The agricultural machine exhaust system convenient for clearing smoke according to claim 1, wherein: the dust collecting box is characterized in that a sliding rail (20) is fixedly connected to the inner wall of the left side of the dust collecting box (3), a dust collecting drawer (15) is connected to the inside of the dust collecting box (3) in a sliding mode through the sliding rail (20), and a handle (22) is arranged on the dust collecting drawer (15).