Chimney device of agricultural tractor

Abstract

The invention belongs to the field of agricultural machinery, and particularly relates to an agricultural tractor chimney device which comprises a smoke exhaust inner pipe and a smoke exhaust outer pipe, the smoke exhaust outer pipe is arranged on the smoke exhaust inner pipe in a sleeving mode, and the smoke exhaust inner pipe comprises a ring base, an inner pipe body and a flow guide part; the smoke exhaust outer pipe comprises a pipe sleeve assembly, a filter assembly, a purification assembly and an adsorption assembly, and the pipe sleeve assembly comprises an outer pipe body and an inner barrel body; the ring seat is sleeved on the inner pipe body and is in threaded connection with the outer pipe body, so that the outer pipe body and the inner pipe body are convenient to disassemble, assemble and seal; the flow guide part is arranged in the inner pipe body and is used for guiding the flue gas to the filtering assembly, so that the filtering efficiency of the flue gas is improved; the purification assembly and the adsorption assembly are used for purifying and adsorbing the flue gas respectively, so that the flue gas is further filtered; compared with the prior art, through the multiple treatment steps of activated carbon filtration, water mist purification, secondary adsorption and the like, emission of harmful substances and particulate matter in smoke can be remarkably reduced, and environmental pollution is effectively relieved.

Description

Technical Field

[0001] The present invention relates to the technical field of agricultural machinery, and more particularly to a chimney device for an agricultural tractor. Background Art

[0002] With the advancement of agricultural modernization, the demand for mechanization and intelligence in agricultural production is increasing. With its powerful power and a variety of supporting agricultural implements, agricultural tractors can complete a variety of farm work such as plowing, sowing, and harvesting, greatly improving agricultural production efficiency.

[0003] At present, most agricultural tractors use diesel engines as their power mechanism. Diesel engines have the advantages of high thermal efficiency, good fuel economy, reliable operation and good fire safety, and are widely used in agricultural tractors. However, tractors using diesel as fuel as driving force will have the following problems: The fuel in the tractor is of poor quality or incomplete combustion, which causes thick smoke from the chimney. Low-quality fuel often contains more impurities and incompletely burned components, which will produce a lot of black smoke during the combustion process, causing environmental pollution and making it easy for workers to inhale foul air during operation, which will harm their health. Summary of the invention

[0004] In view of the deficiencies in the prior art, the object of the present invention is to provide an agricultural tractor chimney device that solves the above-mentioned technical problems.

[0005] To achieve the above object, the present invention provides the following technical solutions: A chimney device for an agricultural tractor comprises an inner smoke exhaust pipe and an outer smoke exhaust pipe, wherein the inner smoke exhaust pipe comprises a ring seat, an inner pipe body and a flow guide, the flow guide is arranged in the inner pipe body, the ring seat is sleeved on the inner pipe body, and the outer smoke exhaust pipe comprises a pipe sleeve assembly, a filter assembly, a purification assembly and an adsorption assembly. The pipe sleeve assembly includes an outer tube body and an inner cylinder body, the inner cylinder body is placed in the outer tube body and a first channel is formed between the inner cylinder body and the outer tube body, the inner cylinder body is sealed at the top and open at the bottom, the outer tube body is sleeved on the inner cylinder body and is sealed and connected to the ring seat, the top of the inner tube body extends into the inner cylinder body and a second channel is formed between the inner tube body and the inner cylinder body, the filter assembly is fixed in the inner cylinder body, the guide piece cooperates with the filter assembly and can guide the smoke to the filter assembly, The purification assembly includes a purification water jacket, a water suction pipe and a nozzle. One end of the water suction pipe extends into the purification water jacket, and the other end of the water suction pipe corresponds to the nozzle. The nozzle is placed between the outer tube body and the inner tube body. The smoke is discharged through the nozzle, and a negative pressure is formed between the nozzle and the water suction pipe. The water in the purification water jacket is sucked into the nozzle through the water suction pipe due to the siphon effect and sprayed out. The adsorption assembly comprises an upper adsorption member and a lower adsorption member, and the upper adsorption member and the lower adsorption member are respectively arranged above and below the nozzle.

[0006] Furthermore, the filter assembly includes a container and an activated carbon module, the container is conical and detachably connected to the inner cylinder, the activated carbon module is placed in the container, and a plurality of through holes are opened on the container; The flow guide is a tapered tube, the sharp part of the receiving part extends into the flow guide, and the diameter of the tube opening of the flow guide close to the receiving part is smaller than the diameter of the tube opening far from the receiving part.

[0007] Furthermore, the purification component also includes a sealing ring, which is fixed between the outer tube body and the inner cylinder body. A number of nozzles are provided and are all embedded in the sealing ring, and the nozzles are all conical. The number of nozzles are evenly arranged around the sealing ring. The purified water jacket is sleeved on the outer tube body and forms a accommodating cavity with the outer tube body. One end of the water suction pipe extends into the accommodating cavity, and the other end of the water suction pipe extends to the outlet of the nozzle.

[0008] Furthermore, the upper adsorption component includes an intermediate plate body, an outer annular ring, an annular mesh and a number of baffle columns. The annular mesh is fixed between the intermediate plate body and the outer annular ring. The number of baffle columns are fixed on the annular mesh and correspond one by one to the number of nozzles. A magnet is embedded on the intermediate plate body, and the inner cylinder body is composed of a metal material that is adsorbed and connected to the magnet.

[0009] Furthermore, the lower adsorption member is tubular and comprises an upper butt joint pipe, an intermediate network pipe and a lower butt joint pipe which are connected in sequence, the upper butt joint pipe is plugged into the inner cylinder, and the lower butt joint pipe is plugged into the ring seat.

[0010] Furthermore, the annular mesh is woven from mullite fibers and activated carbon fibers.

[0011] Furthermore, a flow guide hole is opened on the outer tube body, and the flow guide hole is placed above the sealing ring plate.

[0012] Furthermore, the outer tube body is threadedly connected to the ring seat.

[0013] Furthermore, the blocking column extends toward the nozzle, and is cylindrical, truncated cone or prism-shaped.

[0014] Furthermore, the annular mesh plate and the middle mesh tube are coated with activated carbon coating.

[0015] By adopting the above technical solution, the beneficial effects of the present invention are: 1. Through multiple processing steps such as activated carbon filtration, water mist purification and re-adsorption, the present invention can significantly reduce the emission of harmful substances and particulate matter in flue gas and effectively reduce environmental pollution.

[0016] 2. The purified flue gas has little impact on the health of workers, reducing the health risks caused by inhaling harmful flue gas.

[0017] 3. Both the filter assembly and the adsorption assembly are designed to be detachable, which is convenient for users to clean and replace, reducing maintenance costs.

[0018] 4. The use of threaded connections and other stable connection methods ensures the sealing and durability of the device. At the same time, the material selection of each component also takes into account the performance requirements of high temperature resistance and corrosion resistance.

[0019] 5. By improving the exhaust system of the tractor, the downtime and maintenance time caused by emission problems is reduced, thereby improving agricultural production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure after installation of the embodiment of the present invention.

[0021] Figure 2 It is a schematic cross-sectional structural diagram of an embodiment of the present invention.

[0022] Figure 3 It is a schematic diagram of the cross-sectional structure of the exhaust inner pipe.

[0023] Figure 4 It is a schematic diagram of the partial cross-sectional structure of the smoke exhaust outer pipe.

[0024] Figure 5 It is a schematic diagram of the cross-sectional structure of the inner cylinder.

[0025] Figure 6 A partial structural diagram of the purification component.

[0026] Figure 7 It is a structural schematic diagram of the lower adsorption component.

[0027] Figure 8 It is a structural schematic diagram of the upper adsorption component. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0030] The chimney device for an agricultural tractor comprises an inner smoke exhaust pipe 1 and an outer smoke exhaust pipe 2. The outer smoke exhaust pipe 2 is sleeved on the inner smoke exhaust pipe 1. The inner smoke exhaust pipe 1 comprises a ring seat 11, an inner tube body 12 and a flow guide 13. The outer smoke exhaust pipe 2 comprises a pipe sleeve assembly 21, a filter assembly 22, a purification assembly 23 and an adsorption assembly 24. The pipe sleeve assembly 21 comprises an outer tube body 211 and an inner cylinder body 212. The ring seat 11 is sleeved on the inner tube body 12 and is threadedly connected with the outer tube body 211, so as to facilitate the disassembly and sealing between the outer tube body 211 and the inner tube body 12. The flow guide 13 is placed in the inner tube body 12 and is used to guide the smoke to the filter assembly 22 to improve the filtering efficiency of the smoke. The purification assembly 23 and the adsorption assembly 24 purify and adsorb the smoke respectively, so as to further filter the smoke.

[0031] The smoke exhausted by the diesel engine of the tractor's power mechanism is purified and discharged after passing through the chimney device; the smoke is filtered and purified through the smoke exhaust inner pipe 1 and the smoke exhaust outer pipe 2, so that the exhausted smoke is not easy to affect the staff and the environment.

[0032] The inner cylinder 212 is placed in the outer cylinder 211 and a first channel 201 is formed between the inner cylinder 212 and the outer cylinder 211. The inner cylinder 212 is sealed at the top and open at the bottom. The top of the inner cylinder 12 extends into the inner cylinder 212 and a second channel 202 is formed between the inner cylinder 12 and the inner cylinder 212. The filter assembly 22 is fixed in the inner cylinder 212. The guide 13 cooperates with the filter assembly 22 and can guide the smoke to the filter assembly 22. The guide 13 is a tapered tube, and the sharp part of the receiving part 221 extends into the guide 13. The diameter of the pipe opening of the guide 13 close to the receiving part 221 is smaller than the diameter of the pipe opening away from the receiving part 221.

[0033] The flue gas enters the inner cylinder 212 from the bottom thereof, and then moves upward in the inner cylinder 212 and flows toward the filter assembly 22 through the guide member 13; the filter assembly 22 includes a container 221 and an activated carbon module 222, the container 221 is conical and detachably connected to the inner cylinder 212, the activated carbon module 222 can be a granular carbon bag or a carbon block, and the activated carbon module 222 is placed in the container 221, so that it is easy to disassemble and replace the container 221 and the activated carbon module 222. The container 221 is provided with a plurality of through holes, so that the flue gas can enter the container 221 through the through holes and contact the activated carbon module 222 therein, so as to realize the adsorption and filtration of the flue gas. The container 221 can be made of a metal mesh, or it can be made of a woven structure of activated carbon fiber and polycrystalline mullite fiber, so that it has a good ventilation effect and is not easily damaged by high-temperature flue gas. Moreover, the conical receiving member 221 cooperates with the conical tubular guide member 13, so that the smoke can accurately and comprehensively pass through the filter assembly 22, thereby achieving comprehensive filtering and adsorption of the smoke. After being filtered by the filter assembly 22, the smoke flows to the first channel 201 through the second channel 202; finally, the smoke is discharged after passing through the purification assembly 23 and the adsorption assembly 24, completing the filtering of the smoke.

[0034] The purification assembly 23 includes a purification water jacket 231, a sealing ring 232, a water suction pipe 233 and a nozzle 234. The sealing ring 232 is fixed between the outer tube body 211 and the inner cylinder body 212, and is used to connect and fix the two. There are a plurality of nozzles 234, all of which are embedded in the sealing ring 232, and the nozzles 234 are all conical, and a plurality of nozzles 234 are evenly arranged around the sealing ring 232; such a configuration facilitates the comprehensive and efficient discharge of the flue gas, while achieving efficient filtration of the flue gas. The inlet of the nozzle 234 is large and faces the direction of the flue gas; the outlet of the nozzle 234 is small and faces the direction of the flue gas outflow. The purified water jacket 231 is sleeved on the outer tube body 211 and forms a receiving chamber 203 with the outer tube body 211. One end of the water suction pipe 233 extends into the receiving chamber 203 of the purified water jacket 231. The other end of the water suction pipe 233 corresponds to the nozzle 234 and extends to the outlet of the nozzle 234. The nozzle 234 is placed between the outer tube body 211 and the inner tube body 12.

[0035] After being adsorbed and filtered by the lower adsorption plate, the flue gas enters the first channel 201, and then the flue gas is discharged through the nozzle 234. A negative pressure is formed between the nozzle 234 and the water suction pipe 233. The water in the purified water jacket 231 is sucked into the nozzle 234 through the water suction pipe 233 due to the siphon effect and sprayed out and impacted on the baffle 241d to form water mist. These mist droplets have a large specific surface area and can effectively adsorb and capture particulate matter in the air. Harmful gases such as sulfur dioxide in the flue gas have strong hydrophilicity. When these gases come into contact with water mist, they will be absorbed and neutralized by the alkaline solution, thereby achieving a desulfurization effect. Water mist can also cool the air mass in the flue gas and condense it into liquid, which helps the aggregation and sedimentation of particulate matter. This arrangement greatly enhances the filtering effect of the flue gas. In addition, the purified water jacket 231 is sleeved on the outer tube body 211, and the water in the purified water jacket 231 can play a heat-insulating role to prevent people from being scalded by the chimney.

[0036] The adsorption assembly 24 includes an upper adsorption member 241 and a lower adsorption member 242, which are respectively placed above and below the nozzle 234. The lower adsorption member 242 at the lower side performs preliminary adsorption and filtration on the flue gas from the first channel 201, and the upper adsorption member 241 at the top performs adsorption and filtration on the purified flue gas again, thereby ensuring comprehensive adsorption and filtration of the flue gas.

[0037] The lower adsorption member 242 is tubular and includes an upper butt joint tube 241a, an intermediate mesh tube 242b and a lower butt joint tube 242c which are connected in sequence. The upper butt joint tube 241a is plugged into the inner cylinder 212, and the lower butt joint tube 242c is plugged into the ring seat 11. The intermediate mesh tube 242b is coated with an activated carbon coating, and the annular mesh sheet 241c is woven from mullite fibers and activated carbon fibers.

[0038] The lower adsorbent 242 uses the inner cylinder 212 as the dividing line to separate the space between the outer tube 211 and the inner tube 12, and adsorbs and filters the flue gas entering the first channel 201 from the second channel 202 through the intermediate mesh tube 242b. The intermediate mesh tube 242b woven from mullite fiber and activated carbon fiber can adsorb and filter the flue gas, and is not easily damaged by high-temperature flue gas; and the activated carbon coating coated on the intermediate mesh tube 242b can further improve the effect of adsorption and filtration of flue gas; the lower adsorbent 242 can be disassembled for cleaning and replacement.

[0039] The upper adsorbent 241 includes an intermediate plate 241a, an outer annular ring 241b, an annular mesh 241c and a plurality of baffles 241d. The annular mesh 241c is fixed between the intermediate plate 241a and the outer annular ring 241b. The inner cylinder 212 is made of steel. A magnet 241e is embedded on the intermediate plate 241a. This arrangement allows the upper adsorbent 241 to be detachably installed therein, making it easy to disassemble, replace and clean. A plurality of baffles 241d are fixed on the annular mesh 241c and correspond to a plurality of nozzles 234 one by one. The baffles 241d extend in the direction of the nozzles 234, and the baffles 241d are cylindrical, truncated cone or prism-shaped. The water flow sprayed by the nozzles 234 hits the baffles 241d, causing the water flow to become mist particles that are scattered and sprayed. Thereby, it can be in full contact with the flue gas to achieve filtering and washing of the flue gas; the shape of the magnet 241e can be irregular or polygonal, and a positioning groove 204 that is engaged with the magnet 241e can be opened on the inner cylinder 212, so that after the upper adsorption member 241 is installed, the blocking column 241d corresponds to the nozzle 234 one by one; the annular mesh plate is coated with an activated carbon coating to further achieve adsorption and filtration of the passing flue gas; a guide hole 205 is opened on the outer tube body 211, and the guide hole 205 is placed above the sealing ring 232 plate, so that after a large amount of water mist accumulates, it can flow out through the guide hole 205 to prevent water from flowing back to the bottom of the outer tube body 211.

[0040] In summary, the smoke generated by the diesel engine first enters the device through the exhaust inner pipe 1; the guide member 13 (conical pipe) guides the smoke to the filter assembly 22, and its design allows the smoke to be evenly distributed on the filter assembly 22 to improve the filtering efficiency; the filter assembly 22 is composed of a container 221 and activated carbon, and the activated carbon can absorb harmful substances and particulate matter in the smoke to achieve preliminary filtration; the smoke after preliminary filtration enters the first channel 201 (between the inner cylinder 212 and the outer tube 211), and is then guided to the nozzle 234; the purification assembly 23 sucks the water in the purified water jacket 231 into the water suction pipe 233 through the siphon effect and sprays it to the nozzle 234 , forming water mist; the water mist mixes with the flue gas to further purify the harmful substances and tiny particles in the flue gas, reducing the impact of flue gas emissions on the environment; the purified flue gas continues to pass through the adsorption component 24, the upper adsorption component 241 and the lower adsorption component 242 are respectively located above and below the nozzle 234, to adsorb the residual harmful substances in the flue gas; the design of the annular mesh 241c and the baffle column 241d in the upper adsorption component 241 not only increases the adsorption area, but also through the guiding effect of the baffle column 241d, the flue gas is more evenly adsorbed when passing through; finally, the flue gas that has undergone multiple filtration, purification and adsorption treatments is discharged from the chimney device to meet environmental protection requirements.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Common changes and substitutions made by those skilled in the art within the scope of the technical solution of the present invention should be included in the protection scope of the present invention.

Claims

1. An agricultural tractor chimney device, characterized in that: include The smoke exhaust inner pipe comprises a ring seat, an inner pipe body and a flow guide, wherein the flow guide is arranged in the inner pipe body, and the ring seat is sleeved on the inner pipe body. The smoke exhaust outer pipe includes a pipe sleeve assembly, a filter assembly, a purification assembly and an adsorption assembly. The pipe sleeve assembly includes an outer tube body and an inner cylinder body. The inner cylinder body is placed in the outer tube body and a first channel is formed between the inner cylinder body and the outer tube body. The top of the inner cylinder body is sealed and the bottom is open. The outer tube body is sleeved on the inner cylinder body and is sealed and connected to the ring seat. The top of the inner tube body extends into the inner cylinder body and a second channel is formed between the inner tube body and the inner cylinder body. The filter assembly is fixed in the inner cylinder, and the guide piece cooperates with the filter assembly and can guide the smoke to the filter assembly. The purification component includes a purification water jacket, a water suction pipe and a nozzle. One end of the water suction pipe extends into the purification water jacket, and the other end of the water suction pipe corresponds to the nozzle. The nozzle is placed between the outer tube body and the inner tube body. The smoke is discharged through the nozzle, and a negative pressure is formed between the nozzle and the water suction pipe. The water in the purification water jacket is sucked into the nozzle through the water suction pipe due to the siphon effect and sprayed out. The adsorption component comprises an upper adsorption member and a lower adsorption member, and the upper adsorption member and the lower adsorption member are respectively arranged above and below the nozzle.

2. The chimney device for an agricultural tractor according to claim 1, characterized in that: The filter assembly includes a container and an activated carbon module. The container is conical and detachably connected to the inner cylinder. The activated carbon module is placed in the container. The container is provided with a plurality of through holes. The guide piece is a tapered tube, the sharp part of the receiving piece extends into the guide piece, and the diameter of the tube opening of the guide piece close to the receiving piece is smaller than the diameter of the tube opening far from the receiving piece.

3. The chimney device for an agricultural tractor according to claim 1, characterized in that: The purification assembly also includes a sealing ring, which is fixed between the outer tube body and the inner cylinder body. The nozzles are provided with a plurality of nozzles and are all embedded in the sealing ring, and the nozzles are all conical, and the plurality of nozzles are evenly arranged around the sealing ring. The water purification jacket is sleeved on the outer tube body and forms a receiving cavity with the outer tube body. One end of the water suction pipe extends into the receiving cavity, and the other end of the water suction pipe extends to the outlet of the nozzle.

4. The chimney device for an agricultural tractor according to claim 3, characterized in that: The upper adsorption component includes an intermediate plate, an outer annular ring, an annular mesh and a plurality of baffle columns. The annular mesh is fixed between the intermediate plate and the outer annular ring. The plurality of baffle columns are fixed on the annular mesh and correspond to the plurality of nozzles one by one. A magnet is embedded on the intermediate plate, and the inner cylinder is composed of a metal material adsorbed and connected to the magnet.

5. The chimney device for an agricultural tractor according to claim 4, characterized in that: The lower adsorption member is tubular and comprises an upper butt joint pipe, an intermediate network pipe and a lower butt joint pipe which are connected in sequence. The upper butt joint pipe is plugged into the inner cylinder, and the lower butt joint pipe is plugged into the ring seat.

6. The chimney device for an agricultural tractor according to claim 4, characterized in that: The annular mesh is formed by weaving mullite fibers and activated carbon fibers.

7. The chimney device for an agricultural tractor according to claim 3, characterized in that: The outer tube body is provided with a flow guide hole, which is arranged above the sealing ring plate.

8. The chimney device for an agricultural tractor according to claim 1, characterized in that: The outer tube body is threadedly connected with the ring seat.

9. The chimney device for an agricultural tractor according to claim 4 or 6, characterized in that: The blocking column extends toward the nozzle and is cylindrical, truncated cone or prism-shaped.

10. The chimney device for an agricultural tractor according to claim 5, characterized in that: The annular mesh plate and the middle mesh tube are both coated with activated carbon coating.

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