Heavy vehicle tail gas purification low-temperature emission mechanism

Abstract

The utility model relates to a heavy vehicle tail gas purification low-temperature emission mechanism which comprises a cooling box and a purification pipe, one end of the cooling box is connected with one end of the purification pipe through a gas conveying pipe, the other end of the cooling box is provided with a gas inlet pipe, the other end of the purification pipe is provided with a sealing cover, one end of the sealing cover is connected with the purification pipe, and the other end of the sealing cover is connected with an exhaust pipe. The cooling box is provided with a plurality of coolers, baffles and installation clamping blocks, the coolers are arranged at the lower end of the air inlet pipe and the upper end of the air conveying pipe respectively, the installation clamping blocks are arranged on the two sides in the cooling box respectively, and the baffles are provided with installation clamping grooves which are connected with the installation clamping blocks. The automobile exhaust enters the cooling box through the air inlet pipe, the baffle arranged in the cooling box can guide the exhaust to flow, the time of the exhaust in the cooling box is prolonged, and therefore the exhaust cooling time is prolonged, and the cooling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle exhaust purification, in particular to a low-temperature emission mechanism for exhaust purification of heavy vehicles. Background Art

[0002] Heavy-duty vehicles are mainly cars equipped with high-power diesel engines, large-ratio mechanical or hydraulic transmissions and final reducers. Heavy-duty vehicles emit a large amount of exhaust gas. Automobile exhaust is another major factor in air pollution. Automobile exhaust contains carbon monoxide, nitrogen oxides and other solid particles that have adverse effects on the human body. Therefore, it is necessary to use automobile exhaust purification emission mechanisms to treat automobile exhaust.

[0003] In the process of purifying exhaust gas by the existing exhaust gas purification emission mechanism, the flow rate of automobile exhaust gas emission is relatively fast, which makes it inconvenient to fully cool down and purify the automobile exhaust gas, and it is easy to cause the exhaust gas to not be completely treated. Utility Model Content

[0004] The purpose of the utility model is to provide a low-temperature emission mechanism for purifying exhaust gas of heavy vehicles in view of the deficiencies in the prior art; the automobile exhaust gas enters the interior of the cooling box through the intake pipe, and the baffle provided in the cooling box can guide the flow of the exhaust gas, prolonging the time of the exhaust gas in the cooling box, thereby increasing the time for cooling the exhaust gas and improving the cooling efficiency.

[0005] The utility model is realized by adopting the following technical solutions:

[0006] A low-temperature emission mechanism for exhaust gas purification of heavy vehicles, comprising a cooling box and a purification pipe, wherein one end of the cooling box is connected to one end of the purification pipe through an air delivery pipe, the other end of the cooling box is provided with an air intake pipe, the other end of the purification pipe is provided with a sealing cover, one end of the sealing cover is connected to the purification pipe, and the other end of the sealing cover is connected to the exhaust pipe;

[0007] The cooling box is provided with a plurality of coolers, baffles and mounting blocks. The coolers are respectively arranged at the lower end of the air intake pipe and the upper end of the air delivery pipe. The mounting blocks are respectively arranged at both sides inside the cooling box. The baffle is provided with mounting slots, and the mounting slots are connected to the mounting blocks.

[0008] Preferably, the sealing cover is provided with a connecting rod and a threaded ring, the connecting rod is inserted into the purification pipe, the threaded ring is threadedly connected to the threaded groove provided in the purification pipe, the connecting rod is provided with a plurality of mounting brackets, and the plurality of mounting brackets are respectively provided with a first filter screen, an exhaust gas purification plate and a second filter screen; the first filter screen, the exhaust gas purification plate and the second filter screen are respectively connected to the mounting brackets through mounting buckles.

[0009] Preferably, the connecting rods are in two groups, and the two groups of connecting rods are respectively arranged at the upper part and the lower part of the sealing cover; the connecting rods are provided with balls, and the balls are in contact with the inner wall of the purification tube.

[0010] Preferably, the sealing cover is further provided with a positioning buckle, and the purification tube is further provided with a positioning slot. The sealing cover and the purification tube are threadedly connected via the threaded ring and the threaded slot, and are positioned and fastened by the positioning buckle cooperating with the positioning slot.

[0011] Compared with the prior art, the utility model has the following beneficial technical effects:

[0012] 1. A cooling box is set up so that the automobile exhaust gas first enters the interior of the cooling box from the air intake pipe. The exhaust gas can be guided to flow through the baffle provided in the cooling box, thereby prolonging the time of the exhaust gas in the cooling box, thereby increasing the time for cooling the exhaust gas, improving the cooling efficiency, cooling the exhaust gas, and realizing low-temperature emission; the baffle is installed with a slot, and an installation block is provided on the inner wall of the cooling box. The baffle is installed in cooperation with the installation slot and the installation block. When the baffle or the cooling box needs to be cleaned, it can be quickly and conveniently removed for cleaning;

[0013] 2. The purification pipe and the sealing cover are connected through the thread groove and the thread ring, the positioning card groove and the positioning buckle. The purification pipe and the sealing cover can be quickly removed to clean the filter and the exhaust purification plate, which is easy to disassemble and quickly clean. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of the front cross-sectional structure of the cooling box of the utility model;

[0016] Figure 3 For this utility model Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0017] Figure 4 It is a schematic diagram of the connection structure between the first filter screen and the connecting rod in the utility model.

[0018] Reference numerals

[0019] 1. Cooling box; 2. Cooler; 3. Baffle; 4. Intake pipe; 5. Purification pipe; 6. First filter; 7. Exhaust purification plate; 8. Second filter; 9. Positioning buckle; 10. Connecting rod; 11. Sealing cover; 12. Exhaust pipe; 13. Mounting slot; 14. Mounting block; 15. Air pipe; 16. Threaded groove; 17. Threaded ring; 18. Positioning slot; 19. Ball bearing; 20. Mounting bracket. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the technical solutions in the present invention, 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 them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0021] like Figure 1-4 As shown, a low-temperature emission mechanism for exhaust gas purification of heavy vehicles includes a cooling box 1 and a purification pipe 5, one end of the cooling box 1 is connected to one end of the purification pipe 5 through an air delivery pipe 15, the other end of the cooling box 1 is provided with an air intake pipe 4, the other end of the purification pipe 5 is provided with a sealing cover 11, one end of the sealing cover 11 is connected to the purification pipe 5, and the other end of the sealing cover 11 is connected to the exhaust pipe 12;

[0022] The cooling box 1 is provided with a plurality of coolers 2, baffles 3 and mounting blocks 14. The coolers 2 are respectively arranged at the lower end of the air intake pipe 4 and the upper end of the air delivery pipe 15. The mounting blocks 14 are respectively arranged on both sides of the cooling box 1. The baffle 3 is provided with mounting slots 13, and the mounting slots 13 are connected to the mounting blocks 14.

[0023] A baffle 3 is provided inside the cooling box 1 to guide the flow of exhaust gas. The baffle 3 can prolong the time that the exhaust gas stays inside the cooling box 1, thereby increasing the time for cooling the exhaust gas and improving the cooling efficiency. The baffle 3 inside the cooling box 1 can be quickly taken out and cleaned. When taking it out, the baffle 3 needs to be pulled to one side, and the mounting slot 13 of the baffle 3 can be detached from the mounting block 14, thereby realizing the function of low-temperature exhaust gas discharge.

[0024] After being cooled in the cooling box 1, the exhaust gas will enter the interior of the purification pipe 5 along the air supply pipe 15. The purification pipe 5 is provided with a first filter 6, an exhaust purification plate 7 and a second filter 8, which can gradually filter and purify the exhaust gas. The purified automobile exhaust gas can be discharged from the exhaust pipe 12, thereby improving the efficiency of purifying the exhaust gas and reducing the pollution of exhaust gas emissions.

[0025] The sealing cover 11 is provided with a connecting rod 10 and a threaded ring 17. The connecting rod 10 is inserted into the purification pipe 5. The threaded ring 17 is threadedly connected to the threaded groove 16 provided on the purification pipe 5. The connecting rod 10 is provided with a plurality of mounting brackets 20. The plurality of mounting brackets 20 are respectively provided with a first filter screen 6, an exhaust gas purification plate 7 and a second filter screen 8; the first filter screen 6, the exhaust gas purification plate 7 and the second filter screen 8 are respectively connected to the mounting brackets 20 through mounting buckles.

[0026] The connecting rods 10 are divided into two groups, and the two groups of connecting rods 10 are respectively arranged on the upper part and the lower part of the sealing cover 11 ; the connecting rods 10 are provided with balls 19 , and the balls 19 are in contact with the inner wall of the purification tube 5 .

[0027] The sealing cover 11 is also provided with a positioning buckle 9, and the purification tube 5 is also provided with a positioning slot 18. The sealing cover 11 and the purification tube 5 are threadedly connected through a threaded ring 17 and a threaded slot 16, and are positioned and fastened by the positioning buckle 9 and the positioning slot 18.

[0028] The first filter 6, the exhaust gas purification plate 7 and the second filter 8 can be taken out for cleaning and replacement. When cleaning, it is necessary to first lift the positioning buckle 9 upwards, remove the positioning buckle 9 from the inside of the positioning slot 18, and then screw the threaded ring 17 of the sealing cover 11 out of the inside of the threaded slot 16, and then pull the sealing cover 11. Because the first filter 6, the exhaust gas purification plate 7 and the second filter 8 are connected to the connecting rod 10 through the mounting frame 20, the first filter 6, the exhaust gas purification plate 7 and the second filter 8 will be pulled out when the sealing cover 11 is pulled down, and the connecting rod 10 is provided with a ball 19, which can reduce friction during pulling, reduce labor intensity, and facilitate disassembly and cleaning.

Claims

1. A low-temperature emission mechanism for purifying exhaust gas of heavy vehicles, characterized in that: It comprises a cooling box (1) and a purification pipe (5), wherein one end of the cooling box (1) is connected to one end of the purification pipe (5) via an air delivery pipe (15), the other end of the cooling box (1) is provided with an air intake pipe (4), the other end of the purification pipe (5) is provided with a sealing cover (11), one end of the sealing cover (11) is connected to the purification pipe (5), and the other end of the sealing cover (11) is connected to an exhaust pipe (12); The cooling box (1) is provided with a plurality of coolers (2), a baffle (3) and a mounting block (14); the coolers (2) are respectively arranged at the lower end of the air intake pipe (4) and the upper end of the air delivery pipe (15); the mounting blocks (14) are respectively arranged at two sides inside the cooling box (1); the baffle (3) is provided with a mounting slot (13); and the mounting slot (13) is connected to the mounting block (14).

2. The heavy-duty vehicle exhaust purification low-temperature emission mechanism according to claim 1, characterized in that: The sealing cover (11) is provided with a connecting rod (10) and a threaded ring (17); the connecting rod (10) is inserted into the purification pipe (5); the threaded ring (17) is threadedly connected to a threaded groove (16) provided on the purification pipe (5); the connecting rod (10) is provided with a plurality of mounting frames (20); the plurality of mounting frames (20) are respectively provided with a first filter screen (6), an exhaust gas purification plate (7) and a second filter screen (8); the first filter screen (6), the exhaust gas purification plate (7) and the second filter screen (8) are respectively connected to the mounting frames (20) via mounting buckles.

3. The heavy-duty vehicle exhaust purification low-temperature emission mechanism according to claim 2, characterized in that: The connecting rods (10) are divided into two groups, and the two groups of connecting rods (10) are respectively arranged on the upper part and the lower part of the sealing cover (11); the connecting rods (10) are provided with balls (19), and the balls (19) are in contact with the inner wall of the purification tube (5).

4. The heavy-duty vehicle exhaust purification low-temperature emission mechanism according to claim 3, characterized in that: The sealing cover (11) is also provided with a positioning buckle (9), and the purification tube (5) is also provided with a positioning slot (18). The sealing cover (11) and the purification tube (5) are threadedly connected via the threaded ring (17) and the threaded slot (16), and are positioned and fastened by the positioning buckle (9) and the positioning slot (18).

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