Asphalt test waste gas emission mechanism

Abstract

The utility model relates to an asphalt test waste gas emission mechanism which comprises a box body and an exhaust pipe, an emission processing mechanism is arranged in the exhaust pipe, a cooling auxiliary assembly is arranged in the exhaust pipe, the emission processing mechanism comprises the exhaust pipe fixedly connected with the top of the box body, an exhaust fan is fixedly connected with the interior of the exhaust pipe, and the exhaust fan is fixedly connected with the top of the box body. And a dust collecting assembly located on the left side of the exhaust fan is arranged in the exhaust pipe and comprises a filter screen fixedly connected to the interior of the exhaust pipe, a fixing frame corresponding to the filter screen in position is fixedly connected to the bottom of the exhaust pipe, and a material collecting box is slidably connected to the interior of the fixing frame. According to the asphalt test waste gas emission mechanism, smoke particles in waste gas can be treated, harmful gas can also be treated, pollution of the waste gas to the environment can be further reduced, the practicability of the device is improved, in addition, the waste gas can be cooled, and the situation that the adsorption effect of activated carbon blocks is weakened due to high temperature is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of asphalt testing, in particular to an asphalt testing waste gas emission mechanism. Background Art

[0002] Asphalt is a dark brown complex composed of hydrocarbons of different molecular weights and their non-metallic derivatives. Asphalt is widely used in road paving. The stability and other properties of asphalt are often tested in the laboratory. The asphalt needs to be heated during the experiment. When heated, the asphalt will emit toxic asphalt waste gas. Exhaust gas emission devices are often used to collect and discharge the asphalt waste gas.

[0003] Please refer to the waste gas emission device for asphalt testing with announcement number CN217951972U. The patent states that "in the prior art, the waste gas is extracted and directly discharged through the exhaust piece in the polluted asphalt gas aggregation emission device. The waste gas is discharged into the atmosphere without being treated, which will cause great pollution to the environment." In the above embodiment, the waste gas enters the atmosphere after being adsorbed by the activated carbon block, reducing the pollution to the environment. However, there is no structure for filtering the flue gas particles in the above embodiment. The flue gas particles generated during the asphalt test are likely to affect the adsorption effect of the activated carbon block. This application proposes another technical solution to solve this technical problem. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides an asphalt test waste gas emission mechanism, which can not only treat the smoke particles in the waste gas, but also treat harmful gases, which can further reduce the pollution of the waste gas to the environment and improve the practicability of the device. In addition, the waste gas can be cooled to avoid high temperature weakening the adsorption effect of the activated carbon block, etc. The utility model solves the problem in the prior art that the waste gas passes through the exhaust part in the polluted asphalt gas gathering emission device, the waste gas is extracted and directly discharged, and the waste gas is discharged into the atmosphere without being treated, which will cause greater pollution to the environment.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an asphalt test waste gas emission mechanism, comprising a box body and an exhaust pipe, wherein an emission treatment mechanism is arranged inside the exhaust pipe, and a cooling auxiliary component is arranged inside the exhaust pipe;

[0006] The discharge processing mechanism includes an exhaust pipe fixedly connected to the top of the box body, an exhaust fan is fixedly connected to the inside of the exhaust pipe, a dust collecting assembly located on the left side of the exhaust fan is arranged inside the exhaust pipe, the dust collecting assembly includes a filter screen fixedly connected to the inside of the exhaust pipe, a fixing frame corresponding to the position of the filter screen is fixedly connected to the bottom of the exhaust pipe, and a collecting box is slidably connected to the inside of the fixing frame;

[0007] An adsorption assembly located on the right side of the exhaust fan is arranged inside the exhaust duct, and the adsorption assembly includes a connecting block fixedly connected to the top of the exhaust duct, a mounting frame extending to the inside of the exhaust duct is fixedly installed on the top of the connecting block, an activated carbon block is arranged inside the mounting frame, and a one-way switch assembly located on the right side of the adsorption assembly is arranged inside the exhaust duct.

[0008] Furthermore, the one-way switch assembly includes a blocking plate fixedly connected to the inside of the exhaust duct, the blocking plate is internally slidably connected to a plurality of sliding rods, and the sliding rods are umbrella-shaped, the outer side of the sliding rod is sleeved with an elastic part fixedly connected to the left side of the blocking plate, and the right side of the sliding rod is fixedly connected to a blocking cover that fits the blocking plate.

[0009] Furthermore, a movable opening slidably matched with the material collecting box is provided on the front of the fixing frame, an ear plate fitted with the fixing frame is provided on the front of the material collecting box, and a fastening bolt threadedly connected with the fixing frame is provided in the ear plate.

[0010] Furthermore, a door is hinged on the front of the box body, and a handle is provided on the front of the material collection box.

[0011] Furthermore, the filter is an inclined plate with its bottom end tilted to the left, and a material drop opening located on the left side of the filter is provided at the bottom of the exhaust pipe.

[0012] Furthermore, the shape of the installation frame is T-shaped, and connecting screws threadedly connected to the connecting block are arranged inside the installation frame.

[0013] Furthermore, a take-in and put-out opening corresponding to the position of the installation frame is opened at the top of the exhaust duct, and a sealing gasket which is tightly fitted with the installation frame is arranged in the take-in and put-out opening of the exhaust duct.

[0014] Furthermore, the cooling auxiliary component includes a cooling box fixedly connected to the inside of the exhaust duct, two guide pipes are arranged inside the cooling box, a water tank is arranged on the right side of the box body, a circulating pump is fixedly connected to the top of the water tank, the output end of the circulating pump is fixedly connected to a water inlet pipe extending into the cooling box, a refrigeration device connected to the input end of the circulating pump is arranged inside the water tank, and a return pipe extending to the water tank is arranged at the bottom end of the cooling box.

[0015] Furthermore, the guide pipe is arranged in a spiral shape in the cooling box, a liquid injection pipe and a liquid discharge pipe are arranged on the right side of the water tank, and a valve is arranged inside the liquid discharge pipe.

[0016] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0017] 1. The asphalt test waste gas emission mechanism, through the emission treatment mechanism set up, can use the operation of the exhaust fan to make the waste gas in the box enter the exhaust pipe and keep it flowing, so as to make the activated carbon block contact with the waste gas, and use the adsorption effect of the activated carbon block to reduce the emission of toxic gases and reduce the harm to the environment. In this process, the filter screen set up can filter the flowing waste gas to prevent the smoke particles in the waste gas from contacting the activated carbon blocks and affecting the adsorption effect of the activated carbon blocks. This method can deal with both smoke particles and harmful gases, which can further reduce the pollution of the environment by waste gas and improve the practicability of the device.

[0018] 2. The exhaust gas emission mechanism of the asphalt test has a cooling auxiliary component, and the exhaust gas can flow to the right through the guide pipe. In this process, the structural characteristics of the guide pipe can extend the flow time of the exhaust gas in the cooling box. At the same time, the circulating pump can also draw the liquid cooled by the refrigeration device into the cooling box, so as to cool the exhaust gas flowing in the guide pipe, avoid high temperature weakening the adsorption effect of the activated carbon block, and extend its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is the front view of the structure of the utility model;

[0020] Figure 2 For this utility model Figure 1 The structural diagram at A in the middle;

[0021] Figure 3 For this utility model Figure 1 Schematic diagram of the structure at B in the figure.

[0022] In the figure: 1. box body; 2. box door; 3. exhaust duct; 301. connecting block; 4. filter; 5. fixing frame; 6. collecting box; 7. cooling box; 8. guide pipe; 9. water tank; 10. refrigeration device; 11. circulation pump; 12. water inlet pipe; 13. return pipe; 14. installation frame; 15. activated carbon block; 16. sealing gasket; 17. connecting screw; 18. one-way switch assembly; 1801. blocking plate; 1802. sliding rod; 1803. blocking cover; 1804. elastic member; 19. exhaust fan. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-3An asphalt test waste gas emission mechanism in this embodiment includes a box body 1 and an exhaust pipe 3. The exhaust pipe 3 is provided with an emission treatment mechanism inside, and the exhaust pipe 3 is provided with a cooling auxiliary component.

[0025] Embodiment 1: The emission treatment mechanism includes an exhaust duct 3 fixedly connected to the top of the box body 1, and a box door 2 is hinged on the front of the box body 1, which is convenient for opening the box door 2 to conduct asphalt testing in the box body 1. The exhaust duct 3 is fixedly connected to the inside of the exhaust fan 19, which is convenient for utilizing the operation of the exhaust fan 19 to extract the exhaust gas in the box body 1 and make the exhaust gas flow in the exhaust duct 3. The exhaust duct 3 is provided with a dust collecting component located on the left side of the exhaust fan 19.

[0026] Among them, the dust collecting component includes a filter 4 fixedly connected to the inside of the exhaust pipe 3. The filter 4 is an inclined plate with its bottom end tilted to the left. A drop-out port is provided at the bottom of the exhaust pipe 3 and is located on the left side of the filter 4, so that the filter 4 can filter the smoke particles in the exhaust gas and discharge the smoke particles out of the exhaust pipe 3 through the drop-out port. A fixed frame 5 corresponding to the position of the filter 4 is fixedly connected to the bottom of the exhaust pipe 3, and a collection box 6 is slidably connected to the inside of the fixed frame 5.

[0027] Among them, a movable opening that is slidably adapted to the collection box 6 is opened on the front of the fixed frame 5, so that the collection box 6 can enter the fixed frame 5 through the movable opening conveniently; an ear plate that fits with the fixed frame 5 is arranged on the front of the collection box 6, and a fastening bolt that is threadedly connected to the fixed frame 5 is arranged in the ear plate, so that the collection box 6 can be fixed in the fixed frame 5 conveniently by utilizing the cooperation of the fastening bolt and the ear plate; a handle is arranged on the front of the collection box 6, so that the collection box 6 can be pulled out conveniently by utilizing the handle.

[0028] In this embodiment, the interior of the exhaust duct 3 is provided with an adsorption component located on the right side of the exhaust fan 19, and the adsorption component includes a connecting block 301 fixedly connected to the top of the exhaust duct 3, and the top of the connecting block 301 is fixedly installed with an installation frame 14 extending to the interior of the exhaust duct 3. The top of the exhaust duct 3 is provided with a take-in and put-out port corresponding to the position of the installation frame 14, and the take-in and put-out port of the exhaust duct 3 is provided with a sealing gasket 16 that fits tightly with the installation frame 14, so that the installation frame 14 can be extended into the exhaust duct 3 by using the take-in and put-out port, and cooperate with the sealing gasket 16 to maintain the airtight effect of the exhaust duct 3.

[0029] Among them, the shape of the installation frame 14 is T-shaped, and the interior of the installation frame 14 is provided with connecting screws 17 threadedly connected to the connecting block 301, so that the installation frame 14 can be conveniently fixed on the connecting block 301 by using the connecting screws 17 to achieve fixed installation of the installation frame 14, and the interior of the installation frame 14 is provided with activated carbon blocks 15, so that the activated carbon blocks 15 can be conveniently used to adsorb harmful gases in the exhaust gas; the interior of the exhaust pipe 3 is provided with a one-way switch component 18 located on the right side of the adsorption component.

[0030] In this embodiment, the one-way switch assembly 18 includes a blocking plate 1801 fixedly connected to the inside of the exhaust pipe 3, and the blocking plate 1801 is internally movably connected with a plurality of sliding rods 1802, and the sliding rods 1802 are umbrella-shaped, and the outer side of the sliding rod 1802 is sleeved with an elastic member 1804 fixedly connected to the left side of the blocking plate 1801, and the right side of the sliding rod 1802 is fixedly connected with a sealing cover 1803 that fits the blocking plate 1801, so that under the action of the elastic member 1804, the sealing cover 1803 can fit the blocking plate 1801, so as to maintain the one-way flow of gas and reduce the loss of external gas to the activated carbon block 15.

[0031] It should be noted that the asphalt test waste gas emission mechanism, through the set emission treatment mechanism, can utilize the operation of the exhaust fan 19 to make the waste gas in the box 1 enter the exhaust pipe 3 and keep it flowing, so as to facilitate the contact between the activated carbon block 15 and the waste gas, and utilize the adsorption effect of the activated carbon block 15 to reduce the emission of toxic gases and reduce the harm to the environment. In this process, the set filter 4 can filter the flowing waste gas to prevent the smoke particles in the waste gas from contacting the activated carbon block 15 and affecting the adsorption effect of the activated carbon block 15. This method can not only deal with smoke particles, but also deal with harmful gases, which can further reduce the pollution of the environment by the waste gas and improve the practicability of the device.

[0032] Embodiment 2: The cooling auxiliary component includes a cooling box 7 fixedly connected to the exhaust pipe 3. Two guide pipes 8 are arranged inside the cooling box 7. The guide pipes 8 are arranged in a spiral shape in the cooling box 7. The structural characteristics of the guide pipes 8 are conveniently utilized to extend the flow time of the exhaust gas in the cooling box 7, so that the liquid in the cooling box 7 and the exhaust gas exchange heat, thereby achieving cooling of the exhaust gas. A water tank 9 is arranged on the right side of the box body 1.

[0033] Among them, an injection pipe and a discharge pipe are arranged on the right side of the water tank 9, and a valve is arranged inside the discharge pipe, so as to facilitate the use of the injection pipe and the discharge pipe to realize the water filling and drainage operations of the water tank 9. A circulating pump 11 is fixedly connected to the top of the water tank 9, and the output end of the circulating pump 11 is fixedly connected to the water inlet pipe 12 extending to the cooling box 7. A refrigeration device 10 connected to the input end of the circulating pump 11 is arranged inside the water tank 9, and a return pipe 13 extending to the water tank 9 is arranged at the bottom end of the cooling box 7.

[0034] It should be noted that, in the asphalt test waste gas emission mechanism, the waste gas can flow to the right through the guide pipe 8 through the provided cooling auxiliary component. In this process, the flow time of the waste gas in the cooling box 7 can be prolonged through the structural characteristics of the guide pipe 8. At the same time, the circulating pump 11 can also draw the liquid cooled by the refrigeration device 10 into the cooling box 7, so as to cool the waste gas flowing in the guide pipe 8, avoid high temperature from weakening the adsorption effect of the activated carbon block 15, and extend its service life.

[0035] The working principle of the above embodiment is:

[0036] When in use, the exhaust gas emission mechanism for the asphalt test can operate the exhaust fan 19 to extract the exhaust gas in the box 1, and make the exhaust gas flow in the exhaust pipe 3, and the filter screen 4 can filter the smoke particles in the exhaust gas, and make the smoke particles discharge from the exhaust pipe 3 through the drop port, so that the collecting box 6 collects the smoke particles; then the exhaust gas can enter the guide pipe 8, and the structural characteristics of the guide pipe 8 can be used to extend the flow time of the exhaust gas in the cooling box 7, and at the same time, the circulating pump 11 can extract the liquid cooled by the refrigeration device 10 to the cooling box 7, so that the liquid in the cooling box 7 and the exhaust gas can exchange heat, thereby cooling the exhaust gas, thereby avoiding high temperature weakening the adsorption effect of the activated carbon block 15; then the cooled exhaust gas can be brought into contact with the activated carbon block 15, and the adsorption effect of the activated carbon block 15 can be used to reduce the discharge of toxic gases and reduce harm to the environment.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An exhaust gas emission mechanism for asphalt testing, comprising a housing (1) and an exhaust pipe (3), characterized in that: The exhaust pipe (3) is provided with an exhaust treatment mechanism inside, and the exhaust pipe (3) is provided with a cooling auxiliary component; The discharge treatment mechanism comprises an exhaust pipe (3) fixedly connected to the top of the box body (1), the exhaust pipe (3) is fixedly connected to the exhaust fan (19) inside, the exhaust pipe (3) is provided with a dust collecting assembly located on the left side of the exhaust fan (19), the dust collecting assembly comprises a filter screen (4) fixedly connected to the exhaust pipe (3), the bottom of the exhaust pipe (3) is fixedly connected to a fixing frame (5) corresponding to the position of the filter screen (4), and the fixing frame (5) is slidably connected to the inside of the fixing frame (5); An adsorption assembly located on the right side of the exhaust fan (19) is arranged inside the exhaust pipe (3), and the adsorption assembly comprises a connection block (301) fixedly connected to the top of the exhaust pipe (3), a mounting frame (14) extending into the interior of the exhaust pipe (3) is fixedly mounted on the top of the connection block (301), an activated carbon block (15) is arranged inside the mounting frame (14), and a one-way switch assembly (18) located on the right side of the adsorption assembly is arranged inside the exhaust pipe (3).

2. The asphalt test exhaust gas emission mechanism according to claim 1, characterized in that: The one-way switch assembly (18) comprises a blocking plate (1801) fixedly connected to the inside of the exhaust pipe (3); the blocking plate (1801) is internally slidably connected to a plurality of sliding rods (1802), and the sliding rods (1802) are umbrella-shaped; an elastic member (1804) fixedly connected to the left side of the blocking plate (1801) is sleeved on the outer side of the sliding rod (1802); and a blocking cover (1803) fixedly connected to the blocking plate (1801) is fixedly connected to the right side of the sliding rod (1802).

3. The asphalt test exhaust gas emission mechanism according to claim 1, characterized in that: The front of the fixing frame (5) is provided with a movable opening slidably matched with the collecting box (6), the front of the collecting box (6) is provided with an ear plate fitted with the fixing frame (5), and the ear plate is provided with a fastening bolt threadedly connected with the fixing frame (5).

4. The asphalt test exhaust gas emission mechanism according to claim 1, characterized in that: The front of the box body (1) is hinged with a box door (2), and the front of the material collecting box (6) is provided with a handle.

5. The asphalt test exhaust gas emission mechanism according to claim 1, characterized in that: The filter screen (4) is an inclined plate with its bottom end tilted to the left, and a material drop opening is provided at the bottom of the exhaust pipe (3) and is located on the left side of the filter screen (4).

6. The asphalt test exhaust gas emission mechanism according to claim 1, characterized in that: The shape of the installation frame (14) is T-shaped, and a connecting screw (17) threadedly connected to the connecting block (301) is provided inside the installation frame (14).

7. The asphalt test exhaust gas emission mechanism according to claim 1, characterized in that: The top of the exhaust pipe (3) is provided with a take-in and put-out opening corresponding to the position of the installation frame (14), and a sealing gasket (16) which is tightly fitted with the installation frame (14) is arranged in the take-in and put-out opening of the exhaust pipe (3).

8. The asphalt test exhaust gas emission mechanism according to claim 1, characterized in that: The cooling auxiliary component comprises a cooling box (7) fixedly connected to the exhaust pipe (3), two guide pipes (8) are arranged inside the cooling box (7), a water tank (9) is arranged on the right side of the box body (1), a circulating pump (11) is fixedly connected to the top of the water tank (9), the output end of the circulating pump (11) is fixedly connected to a water inlet pipe (12) extending into the cooling box (7), a refrigeration device (10) connected to the input end of the circulating pump (11) is arranged inside the water tank (9), and a return pipe (13) extending to the water tank (9) is arranged at the bottom end of the cooling box (7).

9. The asphalt test exhaust gas emission mechanism according to claim 8, characterized in that: The guide pipe (8) is arranged in a spiral shape in the cooling box (7); a liquid injection pipe and a liquid discharge pipe are arranged on the right side of the water box (9); and a valve is arranged inside the liquid discharge pipe.

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