Petrochemical waste gas combustion and purification treatment device

Abstract

The utility model discloses a petrochemical waste gas combustion and purification treatment device, which belongs to the technical field of petrochemical industry and comprises a combustion chamber, one side of the combustion chamber is connected with a gas inlet, the upper end of the combustion chamber is provided with a combustion structure, the other side of the combustion chamber is provided with a temperature storage structure, and a gas delivery pipe is connected between the combustion chamber and the temperature storage structure. According to the efficient energy-saving environment-friendly stove, the filtering assembly is arranged, the filtering box is installed on one side of the combustion chamber, a dust filtering screen plate in the filtering box can filter combusted gas and remove dust left in the filtering box, an electric telescopic rod pushes a movable plate to move, a cleaning brush can clean the dust filtering screen plate, and the dust filtering screen plate is prevented from being blocked; the collecting assembly is arranged, the collecting box is installed below the filtering box, the collecting pipe is connected to the surface of the ash discharging pipe in a sleeved mode, cleaned dust can be conveniently collected, the vacuum heat insulation plate is matched with the heat insulation soft felt, the good heat insulation effect can be achieved, and the situation that workers are hurt by high temperature is avoided.

Description

Technical Field

[0001] This utility model belongs to the field of petrochemical technology, specifically relating to a petrochemical waste gas combustion purification treatment device. Background Technology

[0002] Waste gas purification mainly refers to the treatment of industrial waste gases generated in industrial sites, such as particulate matter, flue gas, odorous gases, and toxic and harmful gases. Waste gas purification methods mainly include activated carbon adsorption, chemical absorption, catalytic combustion, thermal combustion, and plasma purification.

[0003] Chinese patent application number 201720799199.8 discloses a petrochemical waste gas re-combustion purification device, including a purification box, a storage box, and a combustion chamber. A support frame is provided at one end of the central axis of the top of the purification box. The rotating shaft is a hollow shaft, fixed to the top of the purification box by a fixed bearing, and the bottom of the rotating shaft extends into the interior of the purification box and is fixedly connected to an atomizer. The jet plate is located on the side opposite to the gas collection port and is connected to a U-shaped gas supply pipe through the storage box via a gas supply pipe. An oxygen storage chamber is provided at one end of the central axis of the top of the combustion chamber. An igniter is provided at the bottom of the igniter. In this invention, the waste gas in the combustion chamber is provided with sufficient oxygen through the oxygen storage chamber, allowing for complete combustion. Impurities generated after combustion can be periodically cleaned through the drain outlet. The heat generated after combustion heats the thermal storage liquid, achieving heat reuse, improving resource utilization, and saving a significant amount of money.

[0004] In the aforementioned disclosed patent, 1. when the exhaust gas after combustion enters the storage box through the gas pipeline, there may be dust particles generated by combustion inside, which need to be filtered and cleaned; 2. the filtered dust particles are at a high temperature and are inconvenient to collect and clean. Utility Model Content

[0005] To address the problems mentioned in the background section, this invention provides a petrochemical waste gas combustion purification treatment device, which features convenient filtration and collection.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a petrochemical waste gas combustion purification treatment device, comprising a combustion chamber, an air inlet connected to one side of the combustion chamber, a combustion structure installed at the upper end of the combustion chamber, a heat storage structure provided on the other side of the combustion chamber, a gas supply pipe connected between the combustion chamber and the heat storage structure, a purification box provided on one side of the heat storage structure, an atomizing structure installed at the upper end of the purification box, a liquid-gas discharge pipe provided on one side of the purification box, a filter assembly installed between the combustion chamber and the gas supply pipe, and a collection assembly installed at the lower end of the filter assembly.

[0007] Preferably, the filter assembly includes an ash discharge pipe, a dust filter plate, a cleaning structure, and a filter box. The filter box is installed on the side surface of the combustion chamber, a dust filter plate is snapped into one side inside the filter box, a cleaning structure is provided at the upper end of the filter box and on one side of the dust filter plate, and an ash discharge pipe is fixed at the bottom of the filter box.

[0008] Preferably, the cleaning structure includes an electric telescopic rod, a movable plate, and a cleaning brush. The electric telescopic rod is installed at the upper end of the filter box, the movable plate is connected to the bottom of the electric telescopic rod, and the cleaning brush is fixed on the surface of the movable plate near the dust filter screen.

[0009] Preferably, the filter assembly further includes a positioning slot and a positioning plate, wherein the upper and lower ends of the dust filter screen are fixed with positioning plates, and a positioning slot is provided inside the filter box at a position corresponding to the positioning plate.

[0010] Preferably, the collection assembly includes an L-shaped plate, a collection box, a collection pipe, and a connecting spring, wherein an L-shaped plate is fixed to one side of the lower end of the combustion chamber, a collection box is placed on the upper end of the L-shaped plate, a collection pipe is slidably connected to the upper end of the collection box, and a connecting spring connects the collection pipe and the collection box.

[0011] Preferably, the surfaces of the collection box and the collection pipe are provided with a heat insulation structure, which includes a vacuum heat insulation plate and a heat insulation soft felt. The inner surface of the collection box is attached with a vacuum heat insulation plate, and the upper end of the outer surface of the collection pipe is wrapped with a heat insulation soft felt.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This utility model is equipped with a filter assembly, in which a filter box is installed on one side of the combustion chamber. The dust filter plate inside can filter the combusted gas and remove the dust remaining inside. The electric telescopic rod pushes the moving plate to move, so that the cleaning brush can clean the dust filter plate and prevent it from becoming blocked.

[0014] 2. This utility model is equipped with a collection component, in which the collection box is installed below the filter box and the collection pipe is sleeved on the surface of the ash discharge pipe, which can conveniently collect the dust after cleaning. The vacuum insulation board and the heat insulation soft felt work together to achieve a good heat insulation effect and avoid high temperature from causing harm to the staff. Attached Figure Description

[0015] Figure 1 This is a perspective view of the present utility model;

[0016] Figure 2 This is the front view of the present invention;

[0017] Figure 3 This is a partial sectional view of the present invention;

[0018] Figure 4This utility model Figure 3 Enlarged view of point B;

[0019] Figure 5 This utility model Figure 3 Enlarged view of point A;

[0020] In the diagram: 1. Air inlet; 2. Combustion chamber; 3. Collection assembly; 31. L-shaped plate; 32. Collection box; 33. Heat insulation structure; 331. Vacuum heat insulation plate; 332. Heat insulation felt; 34. Collection pipe; 35. Connecting spring; 4. Filter assembly; 41. Ash discharge pipe; 42. Dust filter screen; 43. Cleaning structure; 431. Electric telescopic rod; 432. Moving plate; 433. Cleaning brush; 44. Filter box; 45. Positioning slot; 46. Positioning plate; 5. Gas delivery pipe; 6. Purification box; 7. Liquid-gas discharge pipe; 8. Atomization structure; 9. Temperature storage structure; 10. Combustion structure. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1

[0023] Please see Figure 1-5 The present invention provides the following technical solution: a petrochemical waste gas combustion purification treatment device, including a combustion chamber 2, an air inlet 1 connected to one side of the combustion chamber 2, a combustion structure 10 installed at the upper end of the combustion chamber 2, a heat storage structure 9 provided on the other side of the combustion chamber 2, a gas supply pipe 5 connected between the combustion chamber 2 and the heat storage structure 9, a purification box 6 provided on one side of the heat storage structure 9, an atomizing structure 8 installed at the upper end of the purification box 6, a liquid-gas discharge pipe 7 provided on one side of the purification box 6, a filter assembly 4 installed between the combustion chamber 2 and the gas supply pipe 5, and a collection assembly 3 installed at the lower end of the filter assembly 4.

[0024] Specifically, the filter assembly 4 includes an ash discharge pipe 41, a dust filter screen 42, a cleaning structure 43, and a filter box 44. The filter box 44 is installed on the side surface of the combustion chamber 2. The dust filter screen 42 is snapped into one side of the inside of the filter box 44. A cleaning structure 43 is located at the upper end of the filter box 44, adjacent to the dust filter screen 42. The ash discharge pipe 41 is fixed to the bottom of the filter box 44.

[0025] By adopting the above technical solution, the gas after combustion enters the filter box 44, and the dust filter plate 42 filters it to remove the dust remaining in the gas. The cleaning structure 43 can clean and remove dust from the dust filter plate 42 to prevent it from clogging. The dust brushed off is discharged through the ash discharge pipe 41.

[0026] Specifically, the cleaning structure 43 includes an electric telescopic rod 431, a movable plate 432, and a cleaning brush 433. The electric telescopic rod 431 is installed on the upper end of the filter box 44, and the movable plate 432 is connected to the bottom of the electric telescopic rod 431. The cleaning brush 433 is fixed on the surface of the movable plate 432 near the dust filter plate 42.

[0027] By adopting the above technical solution, the electric telescopic rod 431 is activated, which pushes the moving plate 432 downward, so that the cleaning brush 433 moves on the surface of the dust filter plate 42, thereby cleaning the mesh.

[0028] Specifically, the filter assembly 4 also includes positioning slots 45 and positioning plates 46. The dust filter screen 42 is fixed with positioning plates 46 at both ends, and the filter box 44 has positioning slots 45 at positions corresponding to the positioning plates 46.

[0029] By adopting the above technical solution, the positioning plate 46 is snapped into the positioning slot 45, which can conveniently snap and position the dust filter plate 42, making it easy to install and remove.

[0030] In this embodiment, petrochemical waste gas is introduced into combustion chamber 2 through inlet 1, combustion structure 10 is activated to add oxygen to the waste gas for combustion, and the generated dust is discharged through drain outlet. The combusted gas enters filter box 44, where dust filter plate 42 filters it to remove residual dust. Then, the gas enters heat storage structure 9 through gas delivery pipe 5 for cooling and heat exchange to reduce energy waste. The cooled gas enters purification box 6, where atomization structure 8 sprays reaction liquid to further purify the waste gas. The treated waste gas is discharged along with liquid-gas discharge pipe 7. Cleaning structure 43 can clean and remove dust from dust filter plate 42 to prevent clogging. The brushed dust is discharged through ash discharge pipe 41. Activating electric telescopic rod 431 pushes moving plate 432 downward, causing cleaning brush 433 to move on the surface of dust filter plate 42 to clean the mesh. Positioning plate 46 is engaged in positioning slot 45 to easily engage and position dust filter plate 42, making it easy to assemble and disassemble.

[0031] Example 2

[0032] The difference between this embodiment and Embodiment 1 is that the collecting assembly 3 includes an L-shaped plate 31, a collecting box 32, a collecting pipe 34, and a connecting spring 35. The L-shaped plate 31 is fixed to one side of the lower end of the combustion chamber 2. The collecting box 32 is placed on the upper end of the L-shaped plate 31. The collecting pipe 34 is slidably connected to the upper end of the collecting box 32. A connecting spring 35 connects the collecting pipe 34 and the collecting box 32.

[0033] By adopting the above technical solution, the collection box 32 is installed on the L-shaped plate 31, the collection pipe 34 is pushed down to correspond with the ash discharge pipe 41, and then the collection pipe 34 is released, the compressed connecting spring 35 is reset, and the collection pipe 34 is pushed up to fit on the outside of the ash discharge pipe 41, so that the cleaned dust can be collected conveniently.

[0034] Specifically, the surfaces of the collection box 32 and the collection pipe 34 are provided with a heat insulation structure 33, which includes a vacuum heat insulation plate 331 and a heat insulation felt 332. The vacuum heat insulation plate 331 is attached to the inner surface of the collection box 32, and the upper part of the outer surface of the collection pipe 34 is wrapped with a heat insulation felt 332.

[0035] By adopting the above technical solution, the vacuum insulation plate 331 of the heat insulation structure 33 can achieve the heat insulation effect, preventing workers from being injured when moving the collection box 32. The heat insulation soft felt 332 can improve the safety of the collection pipe 34 during disassembly and assembly, and has a good anti-scalding effect.

[0036] In this embodiment, the collection box 32 is installed on the L-shaped plate 31, and the collection tube 34 is pushed down to align with the ash discharge pipe 41. Then, the collection tube 34 is released, the compressed connecting spring 35 is reset, and the collection tube 34 is pushed upward to fit over the outside of the ash discharge pipe 41, thus facilitating the collection of cleaned dust. The vacuum insulation plate 331 of the heat insulation structure 33 provides heat insulation, preventing workers from being injured while moving the collection box 32. The heat-insulating soft felt 332 improves the safety of the collection tube 34 during disassembly and assembly, and provides good protection against burns.

[0037] The structure and working principle of the atomizing structure 8 (composed of a nozzle, atomizer, support frame, transmission wheel, motor, liquid delivery pipe, rotating shaft, fixed bearing, guide plate, and guide rod), the heat storage structure 9 (composed of a liquid outlet, U-shaped gas delivery pipe, heat storage liquid, heat storage box, and liquid inlet), and the combustion structure 10 (composed of an oxygen delivery pipe, oxygen storage chamber, igniter, and igniter nozzle) in this utility model have been disclosed in a petrochemical waste gas re-combustion purification device disclosed in Chinese patent application number 201720799199.8. The working principle of the atomizing structure 8 is that the motor... The drive wheel drives the rotating shaft to rotate, which in turn drives the atomizer to rotate, and the atomized reaction liquid is evenly sprayed into the interior of the purification box 6 to purify the exhaust gas again. The working principle of the heat storage structure 9 is to add heat storage liquid into the heat storage box through the liquid inlet. The exhaust gas after combustion enters the U-shaped gas transmission pipe through the gas transmission pipe 5 for heat exchange. The working principle of the combustion structure 10 is that the oxygen storage chamber delivers oxygen to the interior of the combustion chamber 2 through the oxygen transmission pipe, mixes it thoroughly with the exhaust gas, and then the igniter ignites and burns the mixed oxygen exhaust gas through the ignition nozzle.

[0038] In this utility model, the electric telescopic rod 431 is a previously disclosed technology, and the selected model is YMD-501.

[0039] The working principle and usage process of this utility model are as follows: When using this utility model, petrochemical waste gas is introduced into the combustion chamber 2 through the air inlet 1. The combustion structure 10 is activated to add oxygen to the waste gas for combustion. The generated dust is discharged through the drain outlet. The combusted gas enters the filter box 44, where the dust filter plate 42 filters it, removing residual dust. Then, the gas enters the heat storage structure 9 through the gas delivery pipe 5 for cooling and heat exchange, reducing energy waste. The cooled gas enters the purification box 6, where the atomizing structure 8 sprays out the reaction liquid for further purification of the waste gas. The treated waste gas is discharged along with the liquid-gas discharge pipe 7. The cleaning structure 43 cleans and removes dust from the dust filter plate 42 to prevent clogging. The brushed dust is discharged through the ash discharge pipe 41. The electric telescopic rod 431 is activated, pushing... The moving plate 432 moves downward, causing the cleaning brush 433 to move on the surface of the dust filter plate 42, thereby cleaning the mesh. The positioning plate 46 is engaged in the positioning slot 45, which can easily engage and position the dust filter plate 42, making it easy to disassemble and assemble. The collection box 32 is installed on the L-shaped plate 31, and the collection tube 34 is pushed downward to align with the ash discharge pipe 41. Then the collection tube 34 is released, the compressed connecting spring 35 is reset, and the collection tube 34 is pushed upward to fit over the outside of the ash discharge pipe 41, thus facilitating the collection of cleaned dust. The vacuum insulation plate 331 of the heat insulation structure 33 can provide heat insulation, preventing workers from being injured when moving the collection box 32. The heat insulation soft felt 332 can improve the safety of the collection tube 34 during disassembly and assembly, and has a good anti-scalding effect.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A petroleum chemical waste gas combustion purification treatment device, comprising a combustion chamber (2), one side of the combustion chamber (2) is connected with an air inlet (1), a combustion structure (10) is installed on the upper end of the combustion chamber (2), a heat storage structure (9) is arranged on the other side of the combustion chamber (2), a gas conveying pipe (5) is connected between the combustion chamber (2) and the heat storage structure (9), a purification tank (6) is arranged on one side of the heat storage structure (9), an atomization structure (8) is installed on the upper end of the purification tank (6), a liquid gas discharge pipe (7) is arranged on one side of the purification tank (6), characterized in that: The filter assembly (4) is installed between the combustion chamber (2) and the gas conveying pipe (5), and the lower end of the filter assembly (4) is provided with a collection assembly (3).

2. The petroleum chemical waste gas combustion purification treatment device according to claim 1, characterized in that: The filter assembly (4) comprises an ash discharge pipe (41), a dust filter screen (42), a cleaning structure (43) and a filter box (44), wherein the filter box (44) is installed on the side surface of the combustion chamber (2), the dust filter screen (42) is clamped on one side of the inside of the filter box (44), the cleaning structure (43) is arranged on the upper end of the filter box (44) and located on one side of the dust filter screen (42), and the ash discharge pipe (41) is fixed at the bottom of the filter box (44).

3. The petroleum chemical waste gas combustion purification treatment device according to claim 2, characterized in that: The cleaning structure (43) comprises an electric telescopic rod (431), a moving plate (432) and a cleaning brush (433), wherein the electric telescopic rod (431) is installed on the upper end of the filter box (44), the moving plate (432) is connected to the bottom of the electric telescopic rod (431), and the cleaning brush (433) is fixed on the side surface of the moving plate (432) close to the dust filter screen (42).

4. The waste gas combustion and purification treatment device for petroleum chemical industry according to claim 2, characterized in that: The filter assembly (4) further comprises a positioning clamping groove (45) and a positioning clamping plate (46), wherein the positioning clamping plate (46) is fixed on the upper and lower ends of the dust filter screen (42), and the positioning clamping groove (45) is formed in the inside of the filter box (44) corresponding to the positioning clamping plate (46).

5. The petroleum chemical waste gas combustion purification treatment device according to claim 1, characterized in that: The collection assembly (3) comprises an L-shaped plate (31), a collection box (32), a collection pipe (34) and a connecting spring (35), wherein the L-shaped plate (31) is fixed on one side of the lower end of the combustion chamber (2), the collection box (32) is placed on the upper end of the L-shaped plate (31), the collection pipe (34) is slidably connected to the upper end of the collection box (32), and the connecting spring (35) is connected between the collection pipe (34) and the collection box (32).

6. The petroleum chemical waste gas combustion purification treatment device according to claim 5, characterized in that: The collection box (32) and the collection pipe (34) are provided with heat insulation structures (33), and the heat insulation structures (33) comprise vacuum heat insulation boards (331) and heat insulation soft felt (332), wherein the vacuum heat insulation boards (331) are pasted on the inner surface of the collection box (32), and the heat insulation soft felt (332) is wrapped on the outer surface of the upper end of the collection pipe (34).

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