Waste gas purification device for petrochemical production

Abstract

The utility model discloses a petrochemical production waste gas purification device, which comprises a box body, the bottom of the box body is fixedly connected with four uniformly distributed support rods, the bottoms of the support rods are fixedly connected with non-slip mats, the top of the box body is fixedly connected with an air outlet, and the bottom of the inner wall of the box body is fixedly connected with a water tank. The lower end of the water tank is fixedly connected with a blow-off pipe, and the blow-off pipe is fixedly connected with the box body. By designing the gas inlet pipe, waste gas can be introduced into the water tank, treatment liquid is arranged in the water tank, impurities in the water tank can be adsorbed and removed, compared with a spraying mode, the contact between gas and the treatment liquid can be more complete, the gas treatment effect is improved, meanwhile, the exhaust port can be closed under the action of the check block, and the gas treatment effect is improved. The gas can be exhausted only when the gas pressure is increased, so that the retention time of the gas in the water tank can be prolonged, and the waste gas treatment effect is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of purification devices, in particular to a waste gas purification device for petrochemical production. Background Art

[0002] As a pillar industry for my country's economic development, the petrochemical industry plays an important role in my country's modernization. However, the petrochemical industry produces a large amount of harmful gases during the production process, which is also one of the important sources of industrial waste gas pollution in my country. The waste gas generated by petrochemicals is mainly emitted by refineries and heating boilers during combustion. The waste gas needs to be treated before it is discharged.

[0003] The utility model patent with the patent authorization announcement number CN215352686U discloses a petrochemical waste gas treatment device, which includes a device body, a first partition plate is arranged in the device body; two inclined baffle plates are also arranged in the device body, and the baffle plates and the lower end of the first baffle plate form a gas passage, and the two baffle plates can rotate and when the upper ends of the two baffle plates are tightly against each other, the lower ends are respectively sealed with the lower end surface of the device body, and when the upper ends are separated, a material passage channel is formed between the lower end and the lower end surface of the device body, and the lower end of the device body is provided with a discharge port connected to the material passage channel. The utility model can effectively increase the residence time of the waste gas inside the cooling mechanism, realize the effective regulation of the waste gas temperature, and realize the effective discharge of the particulate matter dropped after the waste gas is sprayed.

[0004] In the above-mentioned prior art, during the waste gas treatment process, the waste gas is treated by spraying, and the waste gas and the spraying water may not be in uniform and complete contact, which will affect the waste gas treatment effect. Therefore, improvement is needed. Utility Model Content

[0005] The utility model aims to provide a waste gas purification device for petrochemical production, which solves the problem that the uneven contact between waste gas and spray water completely affects the treatment effect.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waste gas purification device for petrochemical production, comprising a box body, four evenly distributed support rods are fixedly connected to the bottom of the box body, the bottom of the support rods are fixedly connected to an anti-skid pad, the top of the box body is fixedly connected to an air outlet, the bottom of the inner wall of the box body is fixedly connected to a water tank, the lower end of the water tank is fixedly connected to a sewage pipe, the sewage pipe is fixedly connected to the box body, the left end of the water tank is fixedly connected to an air intake pipe, the air intake pipe is fixedly connected to the box body, a blocking mechanism is arranged inside the box body, and a purification mechanism is arranged inside the box body;

[0007] The blocking mechanism includes a deflector cover, the top of the water tank is fixedly connected with the deflector cover, the deflector cover contacts the inner wall of the box, the inside of the deflector cover is fixedly connected with an exhaust port, the inside of the exhaust port is slidably sleeved with a sealing ring, the inside of the sealing ring is fixedly sleeved with a block, the top of the block is fixedly connected with a guide rod, the outside of the guide rod is provided with a first spring, the outside of the guide rod is slidably sleeved with a fixing bar, the fixing bar is fixedly connected to the exhaust port, and the residence time of the gas in the water tank can be increased by designing the blocking mechanism.

[0008] Preferably, one end of the first spring is fixedly connected to the stopper, and the other end of the first spring is fixedly connected to the fixing bar. By designing the first spring, the force of the first spring can act on the stopper.

[0009] Preferably, the purification mechanism includes a placement frame, the inner side wall of the box body is fixedly connected with the placement frame, the interior of the placement frame is provided with a through hole, the interior of the placement frame contacts the filter element, the left and right ends of the box body are both in contact with sealing sleeves, the interior of the sealing sleeve is fixedly sleeved with a side plate, the sealing sleeve and the side plate are both in contact with the placement frame, the interior of the side plate is slidably sleeved with a sliding rod, the outer side of the sliding rod is provided with a second spring, the top of the sliding rod is fixedly connected with an insertion rod, and the insertion rod is slidably connected with the side plate, the sealing sleeve and the box body respectively. By designing the purification mechanism, the waste gas can be purified and deodorized.

[0010] Preferably, one end of the second spring is fixedly connected to the insertion rod, and the other end of the second spring is fixedly connected to the side plate. By designing the second spring, the force of the second spring can act on the insertion rod.

[0011] Preferably, a slot is provided inside the box, and a plug rod is slidably sleeved inside the slot. The slot is designed so that the plug rod can slide inside the slot.

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

[0013] 1. The utility model can pass the exhaust gas into the water tank by designing the air inlet pipe. The water tank is provided with a treatment liquid, which can adsorb and remove impurities inside the water tank. Compared with the spraying method, the contact between the gas and the treatment liquid can be more complete, thereby improving the gas treatment effect. At the same time, under the action of the block, the exhaust port can be closed, and the gas can be discharged only when the gas pressure increases, which can increase the residence time of the gas inside the water tank, thereby further improving the exhaust gas treatment effect.

[0014] 2. The utility model designs the function of the filter element, which can purify and filter the gas after impurities are adsorbed, and can also remove the odor of the exhaust gas. Through the function of the detachable side panel, when the side panel is removed, the filter element inside the placement frame can be easily taken out from the inside of the placement frame, which is convenient for the replacement and use of the filter element. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 A three-dimensional cross-sectional view of the local structure;

[0017] Figure 3 For this utility model Figure 2 A magnified image of point A;

[0018] Figure 4 For this utility model Figure 2 Enlarged view of point B.

[0019] In the figure: 1. box body; 2. support rod; 3. anti-skid pad; 4. air outlet; 5. sink; 6. drain pipe; 7. air inlet pipe; 8. blocking mechanism; 9. purification mechanism; 81. air guide cover; 82. exhaust port; 83. sealing ring; 84. block; 85. guide rod; 86. first spring; 87. fixing strip; 91. placement frame; 92. through hole; 93. filter element; 94. sealing sleeve; 95. side panel; 96. sliding rod; 97. second spring; 98. plug rod; 99. slot. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1 , Figure 2 A waste gas purification device for petrochemical production includes a box body 1, four evenly distributed support rods 2 are fixedly connected to the bottom of the box body 1, a non-slip pad 3 is fixedly connected to the bottom of the support rods 2, an air outlet 4 is fixedly connected to the top of the box body 1, a water tank 5 is fixedly connected to the bottom of the inner wall of the box body 1, a sewage pipe 6 is fixedly connected to the lower end of the water tank 5, and the sewage pipe 6 is fixedly connected to the box body 1, an air intake pipe 7 is fixedly connected to the left end of the water tank 5, and the air intake pipe 7 is fixedly connected to the box body 1, a blocking mechanism 8 is arranged inside the box body 1, and a purification mechanism 9 is arranged inside the box body 1.

[0022] See also Figure 1 , Figure 2 , Figure 3 The blocking mechanism 8 includes a guide cover 81, the top of the water tank 5 is fixedly connected with the guide cover 81, the guide cover 81 contacts the inner wall of the box body 1, the inside of the guide cover 81 is fixedly connected with an exhaust port 82, the inside of the exhaust port 82 is slidably sleeved with a sealing ring 83, the inside of the sealing ring 83 is fixedly sleeved with a block 84, the top of the block 84 is fixedly connected with a guide rod 85, and the outside of the guide rod 85 is provided with a first spring 86, one end of the first spring 86 is fixedly connected to the block 84, and the other end of the first spring 86 is fixedly connected to the fixing bar 87. By designing the first spring 86, the force of the first spring 86 can act on the block 84, the outside of the guide rod 85 is slidably sleeved with a fixing bar 87, and the fixing bar 87 is fixedly connected to the exhaust port 82. By designing the blocking mechanism 8, the residence time of the gas in the water tank 5 can be increased.

[0023] See also Figure 1 , Figure 2 , Figure 4 The purification mechanism 9 includes a placement frame 91, the inner side wall of the box body 1 is fixedly connected with the placement frame 91, the interior of the placement frame 91 is provided with a through hole 92, the interior of the placement frame 91 contacts with a filter element 93, the left and right ends of the box body 1 are both in contact with a sealing sleeve 94, the interior of the sealing sleeve 94 is fixedly sleeved with a side plate 95, the sealing sleeve 94 and the side plate 95 are both in contact with the placement frame 91, the interior of the side plate 95 is slidably sleeved with a slide rod 96, the outer side of the slide rod 96 is provided with a second spring 97, one end of the second spring 97 is fixed to the insertion rod 98 The other end of the second spring 97 is fixedly connected to the side plate 95. By designing the second spring 97, the force of the second spring 97 can act on the plug rod 98. The top of the sliding rod 96 is fixedly connected with the plug rod 98. The plug rod 98 is slidably connected to the side plate 95, the sealing sleeve 94 and the box body 1 respectively. A slot 99 is opened inside the box body 1. The slot 99 has the plug rod 98 slidably sleeved inside. By designing the slot 99, the plug rod 98 can slide in the slot 99. By designing the purification mechanism 9, the exhaust gas can be purified and deodorized.

[0024] The specific implementation process of the utility model is as follows: when in use, the exhaust gas can be passed into the water tank 5 through the action of the air inlet pipe 7. The water tank 5 is provided with a treatment liquid, and the exhaust gas impurities can be adsorbed and removed through the water tank 5. Compared with the spraying method, the contact between the gas and the treatment liquid can be more complete, thereby improving the gas treatment effect. Under the action of the block 84, the exhaust port 82 can be closed. With the input of the exhaust gas, when the gas pressure increases, the gas pushes the block 84 to move up, and the block 84 drives the guide rod 85 to move up along the fixed bar 87. The block 84 squeezes the first spring 86. At the same time, the block 84 will drive the sealing ring 83 to move so that the sealing ring 83 is separated from the inner wall of the exhaust port 82. Only then can the gas be discharged, which can increase the gas residence time in the water tank 5, thereby further improving the exhaust gas treatment effect.

[0025] Through the action of the filter element 93, the filter element 93 purifies and filters the gas after the impurities are adsorbed, and can also remove the odor of the exhaust gas. When the filter element 93 needs to be replaced, the side plate 95 is directly pulled outward, and the side plate 95 drives the sealing sleeve 94 to move, and the side plate 95 drives the sliding rod 96 and the plug rod 98 to move, and the plug rod 98 will slide along the arc surface of the slot 99, and the plug rod 98 will be squeezed to move in the vertical direction, and the plug rod 98 will move downward to squeeze the second spring 97, so that the plug rod 98 can be separated from the slot 99, and the side plate 95 can be removed. At this time, the filter element 93 can be taken out from the inside of the placement frame 91, which is convenient for the replacement and use of the filter element 93.

[0026] 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. A waste gas purification device for petrochemical production, comprising a housing (1), characterized in that: The bottom of the box (1) is fixedly connected to four evenly distributed support rods (2), the bottom of the support rods (2) is fixedly connected to an anti-slip pad (3), the top of the box (1) is fixedly connected to an air outlet (4), the bottom of the inner wall of the box (1) is fixedly connected to a water tank (5), the lower end of the water tank (5) is fixedly connected to a sewage pipe (6), the sewage pipe (6) is fixedly connected to the box (1), the left end of the water tank (5) is fixedly connected to an air intake pipe (7), the air intake pipe (7) is fixedly connected to the box (1), a blocking mechanism (8) is provided inside the box (1), and a purification mechanism (9) is provided inside the box (1); The blocking mechanism (8) comprises a flow guide cover (81), the top of the water tank (5) is fixedly connected with the flow guide cover (81), the flow guide cover (81) contacts the inner wall of the box body (1), the inside of the flow guide cover (81) is fixedly connected with an exhaust port (82), the inside of the exhaust port (82) is slidably sleeved with a sealing ring (83), the inside of the sealing ring (83) is fixedly sleeved with a stopper (84), the top of the stopper (84) is fixedly connected with a guide rod (85), the outer side of the guide rod (85) is provided with a first spring (86), the outer side of the guide rod (85) is slidably sleeved with a fixing bar (87), and the fixing bar (87) is fixedly connected to the exhaust port (82).

2. The waste gas purification device for petrochemical production according to claim 1, characterized in that: One end of the first spring (86) is fixedly connected to the stopper (84), and the other end of the first spring (86) is fixedly connected to the fixing bar (87).

3. The waste gas purification device for petrochemical production according to claim 1, characterized in that: The purification mechanism (9) comprises a placement frame (91), the inner side wall of the box body (1) is fixedly connected to the placement frame (91), a through hole (92) is opened inside the placement frame (91), the interior of the placement frame (91) contacts with a filter element (93), the left and right ends of the box body (1) are both in contact with sealing sleeves (94), the interior of the sealing sleeve (94) is fixedly sleeved with a side plate (95), the sealing sleeve (94) and the side plate (95) are both in contact with the placement frame (91), the interior of the side plate (95) is slidably sleeved with a sliding rod (96), the outer side of the sliding rod (96) is provided with a second spring (97), the top of the sliding rod (96) is fixedly connected with an insertion rod (98), and the insertion rod (98) is slidably connected to the side plate (95), the sealing sleeve (94) and the box body (1) respectively.

4. The waste gas purification device for petrochemical production according to claim 3 is characterized in that: One end of the second spring (97) is fixedly connected to the insertion rod (98), and the other end of the second spring (97) is fixedly connected to the side plate (95).

5. The waste gas purification device for petrochemical production according to claim 1, characterized in that: A slot (99) is provided inside the box body (1), and an insertion rod (98) is slidably sleeved inside the slot (99).

Images