CN115929449A

CN115929449A - Tail gas treatment device for preventing freezing of truck bottom plate

Info

Publication number: CN115929449A
Application number: CN202211597363.9A
Authority: CN
Inventors: 杨武红; 陈勇; 黄璜; 庞骞
Original assignee: SINOTRUK HUBEI HUAWEI SPECIAL VEHICLE CO Ltd
Current assignee: SINOTRUK HUBEI HUAWEI SPECIAL VEHICLE CO Ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-04-07
Anticipated expiration: 2042-12-12
Also published as: CN115929449B

Abstract

The invention discloses a tail gas treatment device for preventing a truck bottom plate from being frozen, which comprises a heat collection bottom plate, wherein a carriage is fixedly connected to the top of the heat collection bottom plate, two groups of tail gas pipes are fixedly connected to the bottom of the heat collection bottom plate, two groups of filtering components and two groups of heat conduction pipes are arranged in the heat collection bottom plate, and after a truck engine is started, generated high-temperature tail gas is introduced into the two groups of heat conduction pipes and is matched and clamped with a plurality of groups of metal clamping plates and a heat conduction sheet of the two groups of heat conduction pipes to conduct waste heat in the tail gas to the heat collection bottom plate, so that the temperature of the heat collection bottom plate is increased, the effect of freezing goods by residual water on the heat collection bottom plate is reduced, waste of tail gas resources is reduced, a blocking box is fixed in the two groups of heat conduction pipes, a channel in the blocking box is blocked by matching with a sliding block, the speed of emitting the waste heat of the tail gas is reduced, and heat energy is absorbed by fixing the second heat conduction sheet at the top ends of the inner walls of the two heat conduction pipes, so that the tail gas waste heat conduction sheets is improved in conduction effect of the tail gas waste heat conduction.

Description

Tail gas treatment device for preventing freezing of truck bottom plate

Technical Field

The invention belongs to the technical field of tail gas treatment, and particularly relates to a tail gas treatment device for preventing a truck bottom plate from being frozen.

Background

The truck is a commercial vehicle for carrying goods, and is divided into four parts of a truck head, a chassis, an electric appliance and a cargo box, wherein the truck can be divided into a heavy truck and a light truck according to the weight of the truck, the truck mainly takes a diesel engine and a gasoline engine as power sources, and part of the trucks can use petroleum gas or natural gas.

When the freight train transports vegetables, aquatic products or other goods in winter or cold day in cold areas, always can remain partial moisture on the bottom plate of packing box, the condition of freezing appears easily, increases along with the transportation time of goods, can lead to the goods on the bottom plate to be frozen and be difficult to unload.

After the truck is started, the engine of the truck emits exhaust outwards, and the temperature of the emitted exhaust is usually high and is not utilized, that is, heat carried by the exhaust exhausted from the engine is not utilized, so that heat resources carried by the exhaust are wasted.

Therefore, the applicant provides the tail gas treatment device for preventing the bottom plate of the truck from freezing, and the heat of the tail gas discharged by the engine of the truck is reasonably utilized, so that the problem that when the truck transports vegetables, aquatic products or other goods in winter or cold days in cold regions, the goods are frozen due to the residual water on the bottom plate of the container and are difficult to unload is effectively solved.

Disclosure of Invention

The invention aims to provide a tail gas treatment device for preventing a bottom plate of a truck from freezing, which is used for solving at least one technical problem in the background technology.

In order to achieve the purpose, the technical scheme adopted by the invention for solving the technical problem is as follows:

a tail gas treatment device for preventing a truck bottom plate from freezing comprises a heat collection bottom plate, wherein a carriage is fixedly connected to the top of the heat collection bottom plate, a first tail gas pipe and a second tail gas pipe are fixedly connected to the bottom of the heat collection bottom plate, a first filtering assembly, a second filtering assembly, a first heat conducting pipe and a second heat conducting pipe are arranged inside the heat collection bottom plate, air release pipes are connected to the first tail gas pipe and the second tail gas pipe respectively, and three-way reversing valves are arranged in the first tail gas pipe and the second tail gas pipe respectively;

the air inlet end of the first tail gas pipe is communicated with a tail gas discharge port of a truck engine, the air outlet end of the first tail gas pipe is communicated with the air inlet end of the first filter assembly or a corresponding air outlet pipe through a corresponding three-way reversing valve, the air outlet end of the first filter assembly is communicated with the air inlet end of the first heat conducting pipe, and the air outlet end of the first heat conducting pipe is communicated with the first air outlet pipe;

the air inlet end of the second tail gas pipe is communicated with a tail gas discharge port of a truck engine, the air outlet end of the second tail gas pipe is communicated with the air inlet end of the second filter assembly or a corresponding air outlet pipe through a corresponding three-way reversing valve, the air outlet end of the second filter assembly is communicated with the air inlet end of the second heat conducting pipe, and the air outlet end of the second heat conducting pipe is communicated with the second air outlet pipe;

the first heat conduction pipe and the second heat conduction pipe are made of metal materials.

Preferably, the equal joint in outside of a heat pipe and No. two heat pipes has a plurality of metal splint, every the equal rigid coupling in top of metal splint has a conducting strip, every the shape of metal splint is the arc, and the material is soft metal material. During the use, utilize the metal material of a heat pipe and No. two heat pipes to absorb the waste heat in the tail gas to cooperate multiunit metal splint joint respectively on a heat pipe and No. two heat pipes, a conducting strip department on the conducting strip of the waste heat conduction of a heat pipe and No. two heat pipe outer walls to the metal splint, the thermal-arrest bottom plate inner wall of the laminating of multiunit conducting strip, with waste heat conduction to thermal-arrest bottom plate outer wall, the goods that reduces thermal-arrest bottom plate outer wall and place meet the condition that water freezes.

Preferably, the inside of the first heat conduction pipe, the second heat conduction pipe, the first air outlet pipe and the second air outlet pipe is fixedly connected with a plugging box; a plurality of spring rods are fixedly connected inside the plugging box, and one ends of the spring rods, which are far away from the plugging box, are fixedly connected with sliding blocks which are connected inside the plugging box in a sliding manner; the plugging box is characterized in that a limiting plate is fixedly connected to the outer portion of the plugging box, a plurality of holes are formed in the limiting plate, a circulation groove is further formed in the plugging box, and the circulation groove is communicated with the plurality of holes in the limiting plate. When the tail gas exhaust device is used, the plugging box is fixed at the outer position of the plugging box, and the effect of limiting sliding of the sliding block is achieved.

Preferably, the top ends of the inner walls of the first heat pipe and the second heat pipe are fixedly connected with second heat conducting sheets, and the shapes of the second heat conducting sheets are matched with the shapes of the corresponding first heat pipe or the corresponding second heat pipe. During the use, utilize No. two conducting strips to fix the inside top at a heat pipe, no. two heat pipes, the tail gas that has the waste heat gets into the inside back of a heat pipe, no. two heat pipes, and the waste heat is absorbed by No. two conducting strips for the waste heat is kept in a heat pipe, no. two heat pipe top positions, and the effect that increases the temperature to the thermal-arrest bottom plate is improved to the conducting strip of cooperation on with heat conduction to thermal-arrest bottom plate.

Preferably, the first filtering assembly and the second filtering assembly both comprise a filtering box, a rotating rod and a first arc-shaped screen plate, the filtering box is fixedly connected inside the heat collecting bottom plate, the rotating rod is rotatably connected inside the filtering box through a torsion spring, the first arc-shaped screen plate is installed on the outer wall of the rotating rod, a limiting assembly is arranged inside the rotating rod, and the limiting assembly is used for fixing the first arc-shaped screen plate on the rotating rod; the first tail gas pipe is communicated with the first heat conduction pipe through a filter box of the first filter assembly; and the second tail gas pipe is communicated with the second heat conduction pipe through a filter box of the second filter assembly. During the use, utilize two sets of filter cartridges to fix respectively in the import department of a heat pipe and No. two heat pipes, utilize spacing subassembly to fix an arc otter board on the bull stick, get into filter cartridge inside back at tail gas, an arc otter board filters the impurity in to tail gas, impurity is filtered on the surface of an arc otter board, play the effect to tail gas purification treatment, simultaneously along with the increase of throttle, a large amount of tail gas impact an arc otter board, an arc otter board drives the bull stick cooperation torsional spring and rotates, the vibrations of filter cartridge inner wall are constantly strikeed to an arc otter board bottom, impurity is shaken from an arc otter board outer wall and is fallen, play the effect of preventing blockking up of shaking dust removal to an arc otter board outer wall.

Preferably, the limiting assembly comprises two inserting plates, two limiting balls, an elastic part, a clamping soft plate and a rubber block, wherein the inserting plates are fixedly connected to the end parts of the first arc-shaped screen plates, the limiting balls are fixedly connected to one ends of the inserting plates, which are far away from the first arc-shaped screen plates; the elastic part is fixedly connected to the inner wall of the flashboard and is close to the limiting ball; the clamping soft board is fixedly connected inside the rotating rod, the clamping soft board is annular, and clamping balls are fixedly connected to two ends of the clamping soft board; the rubber block is fixedly connected inside the clamping soft plate. During the use, when assembling arc otter board and bull stick, insert the picture peg of arc otter board top rigid coupling in the bull stick corresponds the hole groove, inside two sets of spacing ball mutual extrusion fit picture pegs inserted the bull stick, the elastic component backs down the top of picture peg to both sides, two sets of spacing ball branching cards are in the joint ball department of centre gripping soft board, and it is spacing to be extruded by the block rubber, play the effect fixed to arc otter board grafting, when the long-time use of arc otter board needs to be maintained the clearance or damage simultaneously, can directly hand an arc otter board outer wall extract hard can, be convenient for dismantle the change to an arc otter board.

Preferably, a second arc-shaped screen plate is further fixedly connected inside the filter box, and one end of the second arc-shaped screen plate is fixedly connected to the outer wall of the first arc-shaped screen plate; the second arc-shaped screen plate is arc-shaped; the outer wall of the arc-shaped screen plate is fixedly connected with a plurality of arc-shaped rods, and the bottom ends of the arc-shaped rods are fixedly connected with vibration balls. During the use, the impact force that utilizes tail gas drives an arc otter board and rotates along with the bull stick, no. two arc otter boards are by the extrusion atress shrink, when tail gas impact force reduces, no. two arc otter boards extrude the inner wall of an arc otter board striking filter cartridge, play the effect of vibrations removal of impurity, and the vibrations ball of cooperation multiunit arc pole bottom strikes an arc otter board outer wall, the effect of reinforcing an arc otter board vibrations, utilize No. two arc otter boards to fix between an arc otter board and the filter cartridge simultaneously, reduce impurity and waft into a heat pipe from No. two arc otter board department positions, the inside of No. two heat pipes.

Preferably, a magnetic convex block is further fixedly connected to the outer wall of the first arc-shaped screen plate, a magnetic concave block is further fixedly connected to the inside of the filter box, and the magnetic concave block and the magnetic convex block are in magnetic attraction fit. During the use, after an arc otter board is strikeed repeatedly for a long time by tail gas, easy wearing and tearing of an arc otter board bottom outer wall are serious, so utilize the magnetism lug to fix in an arc otter board outer wall striking department, the concave piece of cooperation magnetism is fixed inside the filter cartridge, and be located the corresponding department of magnetism lug, rely on the wearing and tearing that the cooperation of magnetism lug and the concave piece of magnetism reduces an arc otter board outer wall and strike the time production, utilize magnetism lug and the magnetism of magnetism concave piece magnetism to inhale simultaneously, trigger magnetism lug and the separation of the concave piece of magnetism when tail gas impact force is strong, thereby strengthen the vibrations effect of vibrations ball.

Preferably, a collecting box is further connected inside the filter box in a sliding manner, and a handle is fixedly connected to the outer wall of the collecting box. During the use, utilize and collect the box and slide in the inside of filter cartridge to be located an arc otter board bottom position, impurity shakes and falls to the inside collection of collecting the box, and the staff can grip the handle and pull out collecting the box, is convenient for handle the impurity processing in the tail gas, thereby maintains arc otter board department, improves the filter effect of an arc otter board.

Preferably, the first heat conduction pipe and the second heat conduction pipe are both fixedly connected with a blocking block, and the blocking block is in a slope shape and is positioned below the second heat conduction sheet. During the use, utilize and block up the piece and fix at a heat pipe, the inside anterior segment of No. two heat pipes, waste heat tail gas gets into a heat pipe, no. two inside backs of heat pipe, the high slope that sees through the jam piece circulates to the back end, utilize the jam piece with a heat pipe, the preceding middle section part of No. two heat pipes blocks up, partial waste heat remains on No. two heat pipes, along with the more waste heat circulation in the slope of jam piece to a heat pipe, the back end of No. two heat pipes, thereby improve a heat pipe, the inside utilization effect to the tail gas waste heat of No. two heat pipes.

The invention has the following beneficial effects:

1. according to the tail gas treatment device for preventing the bottom plate of the truck from freezing, the first heat conduction pipe and the second heat conduction pipe are installed in the arranged heat collection bottom plate, after the truck is started, high-temperature tail gas enters the first heat conduction pipe and the second heat conduction pipe respectively, the waste heat in the tail gas is conducted to the heat collection bottom plate by matching with the plurality of groups of metal clamping plates and the first heat conduction sheet, the effect of freezing goods by residual moisture on the heat collection bottom plate is reduced, the waste of tail gas resources is reduced, the plugging box is fixed in the first heat conduction pipe and the second heat conduction pipe, the channel in the plugging box is plugged by matching with the sliding block, the speed of tail gas waste heat emission is reduced, the second heat conduction sheet is fixed at the top ends of the inner walls of the first heat conduction pipe and the second heat conduction pipe to absorb heat energy, the conduction effect of the tail gas waste heat is improved, the first arc-shaped screen plate is matched with the rotating rod to rotate on the inner wall of the filter box by means of the torsion spring, impurities carried in the circulated tail gas are filtered, and the effect of reducing the impurities entering the first heat conduction pipe and the second heat conduction pipe is reduced.

2. According to the tail gas treatment device for preventing the bottom plate of the truck from being frozen, the arranged plugboard is matched with the limiting ball to be inserted into the rotating rod, the elastic part is supported inside the plugboard, the limiting ball is clamped and extruded to be limited by the clamping soft plate and the rubber block, the effect of limiting and assembling the first arc screen plate is achieved, the second arc screen plate is fixed between the outer wall of the first arc screen plate and the inner wall of the filter box, after the first arc screen plate rotates and extrudes the second arc screen plate, the first arc screen plate is driven to reset by the elastic force of the second arc screen plate, the outer wall of the first arc screen plate is impacted by the vibration balls at the bottom ends of the multiple groups of arc rods in a matched mode, the effect of vibrating and removing impurities from the outer wall of the first arc screen plate is achieved, the magnetic convex blocks are fixed on the outer wall of the first arc screen plate, when the first arc screen plate rotates and resets, the magnetic convex blocks collide with the magnetic concave blocks, abrasion caused by long-time use of the first arc screen plate is reduced, the collection box slides inside the filter box, the collection box is used for collecting the outer wall of the first arc screen plate, and the effect of blocking the inner part of the filter box by the impurities.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a perspective view of embodiment 1 of the present invention;

FIG. 2 is a schematic structural view of a heat collecting bottom plate in embodiment 1 of the present invention;

FIG. 3 is a schematic view of a portion of the structure of FIG. 2;

fig. 4 is a schematic view of a connection structure of a metal splint and a first heat-conducting sheet in embodiment 1 of the present invention;

fig. 5 is a schematic view of a connection structure between the first filter element and the first exhaust pipe and the first heat pipe or a schematic view of a connection structure between the second filter element and the second exhaust pipe and the second heat pipe in embodiment 1 of the present invention;

FIG. 6 is a sectional view of a filter cassette in embodiment 1 of the invention;

FIG. 7 is a partial sectional view of the first heat pipe or the second heat pipe in example 1 of the present invention;

FIG. 8 is a schematic view showing the structure of a first arc net plate in example 1 of the present invention;

FIG. 9 is a sectional view of a rotary shaft in embodiment 1 of the present invention;

fig. 10 is a partial sectional view of the first heat pipe or the second heat pipe in embodiment 2 of the present invention.

In the figure: 1. a heat collecting bottom plate; 2. a carriage; 3. a first exhaust pipe; 4. a second tail gas pipe; 5. a first filter assembly; 51. a filter cartridge; 52. a rotating rod; 53. a first arc-shaped screen plate; 54. a limiting component; 541. inserting plates; 542. a limiting ball; 543. an elastic member; 544. clamping the soft board; 545. a rubber block; 55. a second arc-shaped screen plate; 56. an arcuate bar; 57. a vibration ball; 58. a magnetic bump; 59. a magnetic concave block; 510. a collection box; 511. a handle; 6. a second filter assembly; 7. a first heat conduction pipe; 8. a second heat conduction pipe; 9. an air escape pipe; 10. a first air outlet pipe; 11. a second air outlet pipe; 12. a metal splint; 13. a first heat-conducting sheet; 14. plugging the box; 15. a spring lever; 16. a slider; 17. a limiting plate; 18. a second heat-conducting sheet; 19. and (6) a blocking block.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example one

As shown in fig. 1, fig. 2, fig. 3, fig. 6 and fig. 7, the tail gas treatment device for preventing the freezing of the truck bed plate provided by the embodiment of the present invention includes a heat collection bed plate 1, a carriage 2 is fixedly connected to the top of the heat collection bed plate 1, a first tail gas pipe 3 and a second tail gas pipe 4 are fixedly connected to the bottom of the heat collection bed plate 1, a first filter assembly 5, a second filter assembly 6, a first heat pipe 7 and a second heat pipe 8 are arranged inside the heat collection bed plate 1, the first tail gas pipe 3 and the second tail gas pipe 4 are both connected with an air release pipe 9, and three-way directional valves are respectively arranged in the first tail gas pipe 3 and the second tail gas pipe 4; during assembly, the air inlet end of the first tail gas pipe 3 is communicated with a tail gas discharge port of a truck engine, the air outlet end is communicated with the air inlet end of the first filtering component 5 or the corresponding air release pipe 9 through a corresponding three-way reversing valve, the air outlet end of the first filtering component 5 is communicated with the air inlet end of the first heat conducting pipe 7, and the air outlet end of the first heat conducting pipe 7 is communicated with the air outlet pipe 10; the air inlet end of the second tail gas pipe 4 is communicated with a tail gas discharge port of a truck engine, the air outlet end of the second tail gas pipe is communicated with the air inlet end of the second filter assembly 6 or a corresponding air outlet pipe 9 through a corresponding three-way reversing valve, the air outlet end of the second filter assembly 6 is communicated with the air inlet end of the second heat conduction pipe 8, and the air outlet end of the second heat conduction pipe 8 is communicated with a second air outlet pipe 11; the first heat conduction pipe 7 and the second heat conduction pipe 8 are made of metal; the exhaust gas discharged by the engine is the gas discharged after fuel oil or fuel gas is combusted in the engine, has high temperature and is not utilized normally. Therefore, in the embodiment of the invention, the first tail gas pipe 3 and the second tail gas pipe 4 are connected with an engine exhaust pipe on a vehicle chassis, when tail gas begins to be discharged after a vehicle is started, tail gas exhausted by the engine is introduced into the first tail gas pipe 3 and the second tail gas pipe 4, impurities in the tail gas are filtered by the first filtering component 5 and the second filtering component 6 respectively, and then tail gas with waste heat is input into the first heat conduction pipe 7 and the second heat conduction pipe 8 respectively, the first heat conduction pipe 7 and the second heat conduction pipe 8 are close to the outer wall of the heat collection bottom plate 1, the metal materials of the first heat conduction pipe 7 and the second heat conduction pipe 8 are used for absorbing heat energy of the tail gas, the tail gas can surround the heat collection bottom plate 1 to heat the heat collection bottom plate 1, the bent length of the tail gas is increased through the pipes of the first heat conduction pipe 7 and the second heat conduction pipe 8, the tail gas can surround the inner part of the heat collection bottom plate 1 and then be discharged from the first gas outlet pipe 10 and the second gas outlet pipe 11 respectively, meanwhile, the metal materials of the first heat conduction pipe 7 and the second heat conduction pipe 8 are used, the tail gas with waste heat enters the first heat conduction pipe 7 and the second heat conduction pipe 8, the outer wall of the heat collection bottom plate can be prevented, the waste heat collection bottom plate 1, and the waste heat collection effect of the heat collection bottom plate can be reduced, and the waste of the heat collection effect of the cargo after the heat collection bottom plate 1; the air release pipe 9 is used for releasing tail gas when a vehicle runs in a normal temperature area, and at the moment, only the three-way reversing valves in the first tail gas pipe 3 and the second tail gas pipe 4 are required to be opened to the position where the air release pipe 9 is opened, so that the overhigh temperature of a vehicle bottom plate is prevented; if the vehicle floor is too high in the running process in the cold area, the air leakage pipe 9 can be opened to discharge the tail gas; the carriage 2 is used for preserving heat of the heat collecting bottom plate 1.

As shown in fig. 2 and 4, a plurality of metal clamping plates 12 are clamped outside the first heat conducting pipe 7 and the second heat conducting pipe 8, a first heat conducting strip 13 is fixedly connected to the top end of each metal clamping plate 12, each metal clamping plate 12 is arc-shaped and made of soft metal, and each first heat conducting strip 13 is rectangular; when the tail gas to having the waste heat is handled, tail gas gets into heat pipe 7 and No. two inside backs of heat pipe 8, utilize the waste heat absorption in the metal material pair tail gas of heat pipe 7 and No. two heat pipes 8, and cooperate multiunit metal splint 12 joint respectively on heat pipe 7 and No. two heat pipes 8, the waste heat of heat pipe 7 and No. two heat pipe 8 outer walls can conduct a conducting strip 13 department on metal splint 12, the laminating thermal-arrest bottom plate 1 inner wall of multiunit conducting strip 13, can be with waste heat conduction to thermal-arrest bottom plate 1 outer wall, and then reduce the condition that the goods that thermal-arrest bottom plate 1 outer wall was placed met water and freeze.

As shown in fig. 2, 3, 6 and 7, the first heat pipe 7, the second heat pipe 8, the first air outlet pipe 10 and the second air outlet pipe 11 are all fixedly connected with the plugging box 14, and the plugging box 14 is annular; (ii) a A plurality of spring rods 15 are fixedly connected inside the plugging box 14, one ends of the spring rods 15 far away from the plugging box 14 are fixedly connected with sliding blocks 16, and the sliding blocks 16 are connected inside the plugging box 14 in a sliding manner; a limiting plate 17 is fixedly connected to the outside of the plugging box 14, a plurality of holes are formed in the limiting plate 17, a circulation groove is further formed in the plugging box 14, and the circulation groove is communicated with the plurality of holes in the limiting plate 17. When the tail gas with the waste heat is treated, the tail gas is discharged into the first heat pipe 7 and the second heat pipe 8, the tail gas passes through the first heat pipe 7 and the second heat pipe 8 and then is discharged from the first air outlet pipe 10 and the second air outlet pipe 11, so that the residual heat is short in retention time in the heat collection bottom plate 1, after the vehicle engine stops working, the residual heat is rapidly dissipated along with the tail gas, and the goods on the heat collection bottom plate 1 are frozen, therefore, when the engine is started, the plugging box 14 is fixed in the first heat pipe 7, the second heat pipe 8, the first air outlet pipe 10 and the second air outlet pipe 11, when the tail gas passes through the plugging box 14, the sliding block 16 is stamped by using the continuously generated tail gas accumulation pressure, so that the sliding block 16 slides in the plugging box 14, and when the sliding block 16 slides, the spring rod 15 slides on the inner wall of the plugging box 3 along with the sliding block, the spring rod 15 is a rod with a spring, and has an elastic force resetting function, tail gas circulates inside the first heat pipe 7 and the second heat pipe 8 from the circulation groove of the plugging box 14 and a plurality of groups of holes of the limiting plate 17, the tail gas of the first heat pipe 7 and the second heat pipe 8 normally circulates outside the first air outlet pipe 10 and the second air outlet pipe 11, and in the tail gas exhaust process, the tail gas can heat the heat collection bottom plate 1, after the engine stops working, the pressure at the sliding block 16 is reduced, the spring rod 15 can pull the sliding block 16 to reset the plugging box 14, at the moment, the tail gas with waste heat is plugged in the first heat pipe 7 and the second heat pipe 8, so that the effect of retaining the waste heat is achieved, the waste heat dissipation speed is reduced, meanwhile, the limiting plate 17 is fixed at the outer position of the plugging box 14, and the effect of limiting and sliding of the sliding block 16 is achieved.

As shown in fig. 6 and 7, second heat conduction fins 18 are fixed to the top ends of the inner walls of first heat conduction pipe 7 and second heat conduction pipe 8, the shape of second heat conduction fin 18 in first heat conduction pipe 7 is adapted to the shape of first heat conduction pipe 7, and the shape of second heat conduction fin 18 in second heat conduction pipe 8 is adapted to the shape of second heat conduction pipe 8. When the tail gas with the waste heat is treated, the tail gas enters the interiors of the first heat pipe 7 and the second heat pipe 8, in order to improve the utilization rate of the waste heat in the tail gas, the second heat conducting fin 18 is fixed at the top ends of the interiors of the first heat pipe 7 and the second heat pipe 8, after the tail gas with the waste heat enters the interiors of the first heat pipe 7 and the second heat pipe 8, the waste heat is absorbed by the second heat conducting fin 18, the waste heat is reserved at the top ends of the first heat pipe 7 and the second heat pipe 8, the heat is conducted to the heat collection bottom plate 1 by matching with the first heat conducting fin 13, and the effect of heating the heat collection bottom plate 1 is improved.

As shown in fig. 6, 8 and 9, each of the first filtering component 5 and the second filtering component 6 includes a filtering box 51, a rotating rod 52 and a first arc-shaped mesh plate 53, the filtering box 51 is fixedly connected inside the heat collecting bottom plate 1, the rotating rod 52 is rotatably connected inside the filtering box 51 through a torsion spring, the first arc-shaped mesh plate 53 is installed on the outer wall of the rotating rod 52, a limiting component 54 is arranged inside the rotating rod 52, and the limiting component 54 is used for fixing the first arc-shaped mesh plate 53 on the rotating rod 52; the first tail gas pipe 3 is communicated with the first heat conduction pipe 7 through a filter box 51 of the first filter assembly 5; the second tail gas pipe 4 is communicated with the second heat conduction pipe 8 through a filter box 51 of the second filter assembly 6. After fuel or gas combustion, impurities can be contained in tail gas and pass through the interiors of the first heat pipe 7 and the second heat pipe 8, the impurities are accumulated in the first heat pipe 7 and the second heat pipe 8 for a long time, the circulation is not smooth, so that two groups of filter boxes are respectively fixed at the inlet parts of the first heat pipe 7 and the second heat pipe 8, the limiting component 54 is used for fixing the first arc-shaped screen plate 53 on the rotating rod 52, the tail gas enters the filter boxes 51, the first arc-shaped screen plate 53 can filter the impurities in the tail gas, the impurities are filtered on the surface of the first arc-shaped screen plate 53, the effect of tail gas purification treatment is achieved, meanwhile, along with acceleration of an accelerator, a large amount of tail gas impacts the first arc-shaped screen plate 53, the first arc-shaped screen plate 53 can drive the rotating rod 52 to rotate in a matching manner with a torsion spring, the bottom end of the first arc-shaped screen plate 53 continuously filters and knocks the inner wall of the box 51 to vibrate, the impurities are dropped from the outer wall of the first arc-shaped screen plate 53, and the effect of anti-blockage and dust removal through vibration on the outer wall of the first arc-shaped screen plate 53 is achieved.

As shown in fig. 8 and 9, the limiting assembly 54 includes an inserting plate 541, two limiting balls 542, an elastic member 543, a clamping soft plate 544 and a rubber block 545, the inserting plate 541 is fixedly connected to an end portion of the first arc-shaped screen plate 53, the limiting balls 542 are fixedly connected to an end of the inserting plate 541 far away from the first arc-shaped screen plate 53, and the number of the limiting balls 542 is two; the elastic piece 543 is fixed on the inner wall of the board 541, near the limit ball 542; the clamping soft board 544 is fixedly connected inside the rotating rod 52, the clamping soft board 544 is annular, and clamping balls are fixedly connected to both ends of the clamping soft board 544; the rubber block 545 is fixed inside the holding soft plate 544. When the first arc-shaped screen plate 53 and the rotating rod 52 are assembled, the inserting plate 541 fixedly connected with the top end of the first arc-shaped screen plate 53 is inserted into the corresponding hole groove of the rotating rod 52, the two groups of limiting balls 542 are mutually in extrusion fit with the inserting plate 541 to be inserted into the rotating rod 52, the elastic piece 543 jacks the top end of the inserting plate 541 to two sides, the two groups of limiting balls 542 are forked and clamped at the clamping ball position of the clamping soft plate 544 and are extruded and limited by the rubber block 545, the effect of inserting and fixing the first arc-shaped screen plate 53 is achieved, meanwhile, when the first arc-shaped screen plate 53 is used for a long time and needs to be maintained, cleaned or damaged, the outer wall of the first arc-shaped screen plate 53 can be directly held by hand and can be pulled out forcefully, and the first arc-shaped screen plate 53 can be conveniently detached and replaced.

As shown in fig. 6 and 8, a second arc-shaped mesh plate 55 is further fixedly connected inside the filter box 51, and one end of the second arc-shaped mesh plate 55 is fixedly connected to the outer wall of the first arc-shaped mesh plate 53; the second arc-shaped screen 55 is arc-shaped; an arc-shaped rod 56 is further fixedly connected to the outer wall of the first arc-shaped screen plate 53, the arc-shaped rods 56 are arranged in a plurality, and a vibration ball 57 is fixedly connected to the bottom end of each arc-shaped rod 56. When a large amount of impurity are attached to the outer wall of arc otter board 53, the impact force of utilizing tail gas drives arc otter board 53 and rotates along with bull stick 52, no. two arc otter boards 55 are by the extrusion atress shrink, when tail gas impact force reduces, no. two arc otter boards 55 extrude the inner wall that an arc otter board 53 strikes filter cartridge 51, play the effect of vibrations edulcoration, and the vibrations ball 57 of cooperation multiunit arc pole 56 bottom strikes arc otter board 53 outer wall, the effect of reinforcing an arc otter board 53 vibrations, utilize No. two arc otter boards 55 to fix between an arc otter board 53 and filter cartridge 51 simultaneously, reduce impurity and float into a heat pipe 7 from No. two arc otter board 55 department positions, the inside of No. two heat pipe 8.

The outer wall of the first arc-shaped mesh plate 53 is further fixedly connected with a magnetic convex block 58, the interior of the filter box 51 is further fixedly connected with a magnetic concave block 59, and the magnetic concave block 59 is in magnetic attraction fit with the magnetic convex block 58. When the first arc-shaped screen plate 53 is repeatedly impacted by tail gas for a long time, the outer wall of the bottom end of the first arc-shaped screen plate 53 is easily abraded seriously, so that the magnetic lug 58 is fixed at the impact position of the outer wall of the first arc-shaped screen plate 53, the magnetic concave block 59 is fixed inside the filter box 51 in a matching way, the abrasion generated when the outer wall of the first arc-shaped screen plate 53 is impacted is reduced by the matching of the magnetic lug 58 and the magnetic concave block 59, meanwhile, the magnetic action of the magnetic lug 58 and the magnetic concave block 59 is utilized, the magnetic lug 58 is triggered to be separated from the magnetic concave block 59 when the impact force of the tail gas is strong, and the vibration effect of the vibration ball 57 is enhanced.

As shown in fig. 2, 5 and 6, a collection box 510 is slidably connected to the inside of the filter box 51, and a handle 511 is fixed to an outer wall of the collection box 510. Impurity of adulteration is filtered when an arc otter board 53 outer wall in tail gas, impurity is shaken along with an arc otter board 53 vibrations and is fallen, in order to facilitate to impurity clearance, so utilize the inside of collecting box 510 slip at filter cartridge 51, and be located an arc otter board 53 bottom position, impurity shakes and falls to the inside collection of collecting box 510, the staff can grip handle 511 and will collect box 510 and pull out, be convenient for handle to the impurity processing in the tail gas, thereby to arc otter board 53 department maintain, improve arc otter board 53's filter effect.

Example two

As shown in fig. 10, a first comparative example, in which another embodiment of the present invention is: the blocking blocks 19 are fixed inside the first heat conduction pipe 7 and the second heat conduction pipe 8, and the blocking blocks 19 are in a slope shape and are positioned below the second heat conduction fins 18. When tail gas with waste heat enters the interiors of the first heat pipe 7 and the second heat pipe 8, because the lengths of the first heat pipe 7 and the second heat pipe 8 are longer, the tail gas waste heat reaching the rear ends of the first heat pipe 7 and the second heat pipe 8 is not high, and the heat collection bottom plate 1 is heated unevenly, the plugging block 19 is fixed on the front section of the interiors of the first heat pipe 7 and the second heat pipe 8, the waste heat tail gas enters the interiors of the first heat pipe 7 and the second heat pipe 8 and then flows to the rear section through the high slope of the plugging block 19, the front middle sections of the first heat pipe 7 and the second heat pipe 8 are partially plugged by the plugging block 19, and part of the waste heat is left on the second heat conducting plate 4 and flows to the rear sections of the first heat pipe 7 and the second heat pipe 8 along with more slopes of the plugging block 19, so that the utilization effect of the interiors of the first heat pipe 7 and the second heat pipe 8 on the waste heat of the tail gas is improved.

The operating principle of the tail gas treatment device for preventing the bottom plate of the truck from freezing is as follows:

when the gasoline truck transports goods in winter or in cold days in cold regions, a first tail gas pipe 3 and a second tail gas pipe 4 are connected with an engine on a vehicle chassis, tail gas is introduced into the first tail gas pipe 3 and the second tail gas pipe 4 when the vehicle starts to discharge the tail gas, then impurities in the tail gas are filtered out through a first filtering component 5 and a second filtering component 6 respectively, then the tail gas with the filtered impurities and the waste heat is input into a first heat conduction pipe 7 and a second heat conduction pipe 8 respectively, the waste heat of the outer walls of the first heat conduction pipe 7 and the second heat conduction pipe 8 is conducted to a first heat conduction sheet 13 on the first heat conduction pipe 12 by utilizing a plurality of groups of metal clamping plates 12 clamped at the positions, close to the outer walls of the heat collection bottom plate 1, of the first heat conduction sheet 13 and the second heat conduction pipe 8, the waste heat is conducted to the outer wall of the heat collection bottom plate 1, at the moment, the tail gas surrounds the heat collection bottom plate 1, and the temperature of the goods on the heat collection bottom plate 1 is raised, and the condition that the goods are frozen goods on the heat collection bottom plate 1 is reduced.

And (II) the air escape pipe 9 is used for releasing tail gas in a normal temperature area to prevent overhigh temperature of a vehicle bottom plate, if the temperature of the vehicle bottom plate is overhigh in the running process in a cold area, the three-way reversing valve in the tail gas pipe 3 and the tail gas pipe 4 can be driven to the position of the air escape pipe 9, the filtering component 5 and the filtering component 6 are closed, and the air escape pipe 9 is opened to release the tail gas.

Thirdly, the first heat pipe 7, the second heat pipe 8, the first air outlet pipe 10 and the second air outlet pipe 11 are sealed by the sealing box 14, when tail gas passes through the interior of the sealing box 14, the sliding block 16 in the sealing box 14 is punched by continuously generated tail gas accumulation pressure, so that the sliding block 16 slides in the sealing box 14, the spring rod 15 slides along the inner wall of the sealing box 3 when the sliding block 16 slides, the spring rod 15 is a rod with a spring and has the function of elastic reset, the tail gas flows through the interiors of the first heat pipe 7 and the second heat pipe 8 from the circulation groove of the sealing box 14 and the plurality of groups of holes of the limiting plate 17, so that the tail gas in the first heat pipe 7 and the second heat pipe 8 normally flows through the positions of the first air outlet pipe 10 and the second air outlet pipe 11 to be discharged outside; after the engine stops working, the pressure at the sliding block 16 is reduced, the spring rod 15 can pull the sliding block 16 to reset the plugging box 14, at the moment, tail gas with waste heat is plugged in the first heat pipe 7 and the second heat pipe 8, the effect of retaining the waste heat is achieved, the waste heat dissipation speed is reduced, meanwhile, the limiting plate 17 is fixed at the outer position of the plugging box 14, and the effect of limiting the sliding of the sliding block 16 is achieved.

(IV) utilize No. two conducting strips 18 to fix on the inside top of a heat pipe 7 and No. two heat pipe 8, after tail gas that has the waste heat gets into a heat pipe 7 and No. two heat pipe 8 inside, the waste heat can be absorbed by No. two conducting strips 18, make the waste heat remain in a heat pipe 7 and No. two heat pipe 8 top positions, and cooperate No. one conducting strip 13 with heat conduction to thermal-arrest bottom plate 1 on, improve the effect that heats thermal-arrest bottom plate 1, utilize the metal material of a heat pipe 7 and No. two heat pipe 8 simultaneously, after tail gas that has the waste heat gets into a heat pipe 7 and No. two heat pipe 8 inside, can make a heat pipe 7 and No. two heat pipe 8 outer walls heat up fast, improve the effect that heaies up to thermal-arrest bottom plate 1.

(V) utilize the jam piece 19 to fix the inside anterior segment at heat pipe 7 and No. two heat pipes 8, after the tail gas that has the waste heat got into heat pipe 7 and No. two inside, see through the high slope of jam piece 19 and circulate to the back end, utilize jam piece 19 with the preceding middle section part jam of heat pipe 7 and No. two heat pipes 8, partial waste heat will be remained on No. two heat-conducting fins 18 like this, along with the slope of jam piece 19 have more waste heat to circulate to the back end of heat pipe 7 and No. two heat pipes 8, thereby can improve the inside utilization effect to the tail gas waste heat of heat pipe 7 and No. two heat pipes 8.

(VI) two groups of filter boxes 51 are respectively fixed at the inlet of a heat pipe 7 and an inlet of a heat pipe 8, a limiting component 54 is used for fixing an arc-shaped screen plate 53 on a rotating rod 53, after tail gas enters the interior of the filter boxes 51, the arc-shaped screen plate 53 filters impurities in the tail gas, the impurities are filtered on the surface of the arc-shaped screen plate 53, the tail gas purification treatment effect is achieved, along with acceleration of an accelerator, a large amount of tail gas can impact the arc-shaped screen plate 53, the arc-shaped screen plate 53 can drive the rotating rod 51 to be matched with a torsion spring to rotate, meanwhile, the bottom end of the arc-shaped screen plate 53 can continuously knock the inner wall of the filter box 51 to vibrate, the impurities can be shaken off from the outer wall of the arc-shaped screen plate 53, the dust removal and blockage prevention effect of the outer wall of the arc-shaped screen plate 53 is achieved, when the arc-shaped screen plate 53 and the rotating rod 52 are assembled, an inserting plate 541 fixedly connected with the top end of the arc-shaped screen plate 53 is inserted into a corresponding hole groove of the rotating rod 52, two groups of the arc-shaped screen plates 541 are mutually extruded and matched with each other inserting plates 544, the inserting plates 544 is achieved by pressing and clamping the two groups of the arc-shaped screen plates 53, when the arc-shaped screen plates 53 are clamped and the two groups of the arc-shaped screen plates 53, the rubber block is directly clamped by pressing and clamping block, the clamping block 53, the rubber block can be conveniently replaced, and the rubber block is maintained, and the rubber block is damaged, and the rubber block is maintained, and the rubber block can be replaced for a long-shaped screen plate 53, and the rubber block is maintained, and the rubber block is damaged for a long time.

(VII) the impact force of tail gas is utilized to drive the first arc screen plate 53 to rotate along with the rotating rod 52, so that the second arc screen plate 55 is extruded and stressed to shrink, when the impact force of the tail gas is reduced, the second arc screen plate 55 can extrude the first arc screen plate 53 to impact the inner wall of the filter box 51, the effect of removing impurities by vibration is achieved, and the vibration ball 57 matched with the bottom ends of the multiple groups of arc rods 56 is used for knocking the outer wall of the first arc screen plate 53, the effect of vibration of the first arc screen plate 53 is enhanced, meanwhile, the second arc screen plate 55 is fixed between the first arc screen plate 53 and the filter box 51, the situation that the impurities fly into the first heat conducting pipe 7 from the position of the second arc screen plate 55 is reduced, and the inside of the second heat conducting pipe 8 is also reduced.

(eight) utilize magnetism lug 58 to fix in arc otter board 53 outer wall striking department, cooperate the concave piece 59 of magnetism to fix inside filter cartridge 51, rely on magnetism lug 58 and the concave piece 59 cooperation of magnetism to reduce the wearing and tearing that produce when the outer wall of arc otter board 53 strikes, utilize magnetism lug 58 and the concave piece 59 magnetism of magnetism to inhale simultaneously, trigger magnetism lug 58 and the concave piece 59 separation of magnetism when the tail gas impact force is strong to strengthen the vibrations effect of vibrations ball 57.

(nine) utilize and collect box 510 and slide in the inside of filter cartridge 51 to be located arc otter board 53 bottom position, make the impurity that shakes from arc otter board 53 collected the inside of box 9, wait to collect the completion back, staff's accessible holds handle 511 and will collect box 510 and pull out, is convenient for to the impurity treatment in the tail gas.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a freight train bottom plate is frostproofing uses tail gas processing apparatus which characterized in that: the heat collection device comprises a heat collection bottom plate (1), a carriage (2) is fixedly connected to the top of the heat collection bottom plate (1), a first tail gas pipe (3) and a second tail gas pipe (4) are fixedly connected to the bottom of the heat collection bottom plate (1), a first filtering component (5), a second filtering component (6), a first heat pipe (7) and a second heat pipe (8) are arranged inside the heat collection bottom plate (1), the first tail gas pipe (3) and the second tail gas pipe (4) are both connected with air release pipes (9), and three-way reversing valves are arranged in the first tail gas pipe (3) and the second tail gas pipe (4);

the air inlet end of the first tail gas pipe (3) is communicated with a tail gas discharge port of a truck engine, the air outlet end of the first tail gas pipe is communicated with the air inlet end of the first filter component (5) or a corresponding air release pipe (9) through a corresponding three-way reversing valve, the air outlet end of the first filter component (5) is communicated with the air inlet end of the first heat conducting pipe (7), and the air outlet end of the first heat conducting pipe (7) is communicated with the first air outlet pipe (10);

the air inlet end of the second tail gas pipe (4) is communicated with a tail gas discharge port of a truck engine, the air outlet end of the second tail gas pipe is communicated with the air inlet end of the second filtering component (6) or a corresponding air discharging pipe (9) through a corresponding three-way reversing valve, the air outlet end of the second filtering component (6) is communicated with the air inlet end of the second heat conducting pipe (8), and the air outlet end of the second heat conducting pipe (8) is communicated with a second air outlet pipe (11);

the first heat conduction pipe (7) and the second heat conduction pipe (8) are both made of metal materials.

2. The tail gas treatment device for preventing the freezing of the bottom plate of the truck as claimed in claim 1, wherein: the equal joint in outside of a heat pipe (7) and No. two heat pipes (8) has a plurality of metal splint (12), every the equal rigid coupling in top of metal splint (12) has a conducting strip (13), every the shape of metal splint (12) is the arc, and the material is soft metal material.

3. The tail gas treatment device for preventing the freezing of the bottom plate of the truck as claimed in claim 2, wherein: the inside of the first heat conduction pipe (7), the second heat conduction pipe (8), the first air outlet pipe (10) and the second air outlet pipe (11) is fixedly connected with a plugging box (14); a plurality of spring rods (15) are fixedly connected inside the plugging box (14), one ends of the spring rods (15) far away from the plugging box (14) are fixedly connected with sliding blocks (16), and the sliding blocks (16) are connected inside the plugging box (14) in a sliding manner; the outer rigid coupling of shutoff box (14) has limiting plate (17), and has seted up a plurality of holes on limiting plate (17) the inside of shutoff box (14) has still seted up the circulation groove, just the circulation groove with a plurality of holes on limiting plate (17) are linked together.

4. The tail gas treatment device for preventing the bottom plate of the truck from freezing as claimed in claim 3, wherein: the top ends of the inner walls of the first heat conduction pipe (7) and the second heat conduction pipe (8) are fixedly connected with a second heat conduction sheet (18), and the shape of the second heat conduction sheet (18) is matched with the shape of the corresponding first heat conduction pipe (7) or the corresponding second heat conduction pipe (8).

5. The tail gas treatment device for preventing the freezing of the bottom plate of the truck as claimed in claim 1, wherein: the first filtering assembly (5) and the second filtering assembly (6) respectively comprise a filtering box (51), a rotating rod (52) and a first arc-shaped screen plate (53), the filtering box (51) is fixedly connected inside the heat collection bottom plate (1), the rotating rod (52) is rotatably connected inside the filtering box (51) through a torsion spring, the first arc-shaped screen plate (53) is installed on the outer wall of the rotating rod (52), a limiting assembly (54) is arranged inside the rotating rod (52), and the limiting assembly (54) is used for fixing the first arc-shaped screen plate (53) on the rotating rod (52);

the first tail gas pipe (3) is communicated with the first heat conduction pipe (7) through a filter box (51) of the first filter component (5);

and the second tail gas pipe (4) is communicated with the second heat conducting pipe (8) through a filter box (51) of the second filter assembly (6).

6. The tail gas treatment device for preventing the bottom plate of the truck from freezing as claimed in claim 5, wherein: the limiting assembly (54) comprises an inserting plate (541), two limiting balls (542), an elastic piece (543), a clamping soft plate (544) and a rubber block (545), wherein the inserting plate (541) is fixedly connected to the end part of the first arc-shaped screen plate (53), the limiting balls (542) are fixedly connected to one end, far away from the first arc-shaped screen plate (53), of the inserting plate (541), and the number of the limiting balls (542) is two; the elastic piece (543) is fixedly connected to the inner wall of the inserting plate (541) and is close to the limiting ball (542); the clamping soft board (544) is fixedly connected inside the rotating rod (52), the clamping soft board (544) is annular, and clamping balls are fixedly connected to two ends of the clamping soft board (544); the rubber block (545) is fixedly connected inside the clamping soft plate (544).

7. The tail gas treatment device for preventing the bottom plate of the truck from freezing as claimed in claim 5, wherein: a second arc-shaped screen plate (55) is fixedly connected inside the filter box (51), and one end of the second arc-shaped screen plate (55) is fixedly connected to the outer wall of the first arc-shaped screen plate (53); the second arc-shaped screen plate (55) is arc-shaped; an arc-shaped rod (56) is further fixedly connected to the outer wall of the first arc-shaped screen plate (53), a plurality of arc-shaped rods (56) are arranged, and a vibration ball (57) is fixedly connected to the bottom end of each arc-shaped rod (56).

8. The tail gas treatment device for preventing the freezing of the bottom plate of the truck as claimed in claim 7, wherein: the outer wall of the first arc-shaped screen plate (53) is fixedly connected with a magnetic convex block (58), the interior of the filter box (51) is fixedly connected with a magnetic concave block (59), and the magnetic concave block (59) is in magnetic attraction fit with the magnetic convex block (58).

9. The tail gas treatment device for preventing the freezing of the bottom plate of the truck as claimed in claim 8, wherein: a collecting box (510) is also connected inside the filter box (51) in a sliding way, and a handle (511) is fixedly connected with the outer wall of the collecting box (510).

10. The tail gas treatment device for preventing the bottom plate of the truck from freezing as claimed in claim 4, wherein: and the inside of the first heat conducting pipe (7) and the second heat conducting pipe (8) is fixedly connected with a blocking block (19), and the shape of the blocking block (19) is in a slope shape and is positioned below the second heat conducting sheet (18).