Waste gas recovery device for chemical production

Abstract

The utility model discloses a waste gas recovery device for chemical industry production, which relates to the field of waste gas recovery devices and comprises a tank bottom, a waste gas coil pipe is arranged on the inner side of the tank bottom, one end of the waste gas coil pipe penetrates through the tank bottom and extends to the outer side of the tank bottom, and the other end of the waste gas coil pipe is fixedly connected with a gas outlet pipe. The inner side of the tank bottom is fixedly connected with a filter screen, an upper partition plate and a lower partition plate, the gas outlet pipe penetrates through the filter screen and is fixedly connected with the filter screen, and the waste gas coil pipe penetrates through the upper partition plate and the lower partition plate and is fixedly connected with the upper partition plate and the lower partition plate. Treating fluid in the tank bottom is conveyed into the hollow ring pipe on the inner side of the tank body through the water pump and then discharged through the spray heads on the hollow ring pipe, then waste gas discharged from the waste gas coil pipe is subjected to spraying type treatment, in addition, the motor drives the rotating shaft with the fan blades to rotate, the mixing efficiency of the waste gas and the treating fluid can be improved, and the waste gas treatment effect is improved. Further, the waste gas recovery treatment efficiency is improved.

Description

Technical Field

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

[0002] The waste gas recovery device for chemical production refers to a device used to recover waste gas generated in the chemical production process, such as the utility model patent with the authorization announcement number CN217511517U, which proposes a waste gas recovery device for chemical production, which relates to the field of waste gas treatment technology. The device includes an adsorption cylinder, a partition is arranged inside the adsorption cylinder, the length of the partition is less than the length of the adsorption cylinder, the partition is detachably connected with an adsorption plate, the partition divides the internal space of the middle section of the adsorption cylinder into a first adsorption chamber and a second adsorption chamber, the adsorption cylinder is respectively provided with a first pick-up and a second pick-up and a second door corresponding to the first adsorption chamber and the second adsorption chamber, and sealing plates are rotatably arranged at both ends of the partition.

[0003] When the existing waste gas recovery device is used, the waste gas is treated by spraying, but the efficiency of combining the waste gas with the treatment liquid is not high, which affects the efficiency of waste gas recovery, and the waste heat in the waste gas is not well utilized. Therefore, it is necessary to improve the existing technology. Utility Model Content

[0004] The utility model provides a waste gas recovery device for chemical production, which solves the problem that when the existing waste gas recovery device is in use, the waste gas adopts a spraying treatment method, but the efficiency of combining the waste gas with the treatment liquid is not high, thereby affecting the efficiency of waste gas recovery, and at the same time solves the technical problem that the waste heat in the waste gas is not well utilized.

[0005] In order to solve the above technical problems, the utility model provides a waste gas recovery device for chemical production, comprising a tank bottom, a waste gas coil is arranged on the inner side of the tank bottom, one end of the waste gas coil passes through the tank bottom and extends to the outer side of the tank bottom, the other end of the waste gas coil is fixedly connected to an outlet pipe, a filter screen, an upper partition and a lower partition are fixedly connected to the inner side of the tank bottom, the outlet pipe passes through the filter screen and is fixedly connected to the filter screen, the waste gas coil passes through the upper partition and the lower partition and is fixedly connected to both the upper partition and the lower partition;

[0006] The upper end of the tank bottom is fixedly connected to the tank body, the inner top of the tank body is fixedly connected to a fixing rod, the bottom of the fixing rod is fixedly connected to a hollow annular tube, a nozzle is provided on the inner side of the hollow annular tube, a water pump is fixedly installed on the left side of the tank bottom, the input end of the water pump is connected to the tank bottom, and the other end of the water pump passes through the tank body and is connected to the hollow annular tube.

[0007] Preferably, a sewage pipe and a drain pipe are arranged on the right side of the tank bottom. The sewage pipe is arranged to facilitate the discharge of the treated liquid after use, while the heated clean water can be discharged from the tank bottom through the drain pipe.

[0008] Preferably, a motor is fixedly mounted on the top of the tank body, the output shaft of the motor passes through the tank body and is connected to the tank body through a sealed bearing, the end of the output shaft is fixedly connected to a rotating shaft, and the middle section of the rotating shaft is fixedly connected to a fan blade. The rotating shaft is driven by the motor, so that the fan blade rotates, which can accelerate the efficiency of mixing the treated liquid and the exhaust gas.

[0009] Preferably, the lower section of the shaft of the rotating shaft is fixedly connected to a connecting frame, and the end of the connecting frame is fixedly connected to a brush, and the brush is in contact with the filter screen. The provision of the brush can prevent particulate matter impurities in the exhaust gas from clogging the filter screen.

[0010] Preferably, the lower end of the rotating shaft is fixedly connected with a flow guide seat, and the flow guide seat is a conical body. The setting of the flow guide seat can prevent the treatment liquid from entering the air outlet pipe.

[0011] Preferably, an exhaust pipe is provided on the right side of the tank body, so as to facilitate the discharge of the treated waste gas.

[0012] Compared with the related art, the waste gas recovery device for chemical production provided by the utility model has the following beneficial effects:

[0013] The utility model provides a waste gas recovery device for chemical production, which transports the treatment liquid in the bottom of the tank to the hollow annular tube inside the tank body through a water pump, and then discharges it through a nozzle on the hollow annular tube, and then sprays the waste gas discharged from the waste gas coil. In addition, the rotation of a rotating shaft with fan blades is driven by an electric motor to accelerate the mixing efficiency between the waste gas and the treatment liquid, thereby improving the efficiency of waste gas recovery and treatment.

[0014] The utility model provides a waste gas recovery device for chemical production, wherein a filter screen, an upper partition and a lower partition are sequentially arranged from top to bottom in the bottom of a tank, wherein a treatment liquid is stored above the upper partition, and clean water is stored between the upper partition and the lower partition. When the waste gas flows in the waste gas coil, its heat is transferred to the clean water, thereby heating the clean water, so that the waste heat of the waste gas is fully utilized, and impurities generated after the waste gas and the treatment liquid are mixed are filtered through the filter screen, so that the treatment liquid can be recycled, thereby achieving the purpose of environmental protection and energy saving. 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 1A front cross-sectional view of

[0017] Figure 3 For this utility model Figure 1 A three-dimensional cross-sectional view of the local structure;

[0018] Figure 4 For this utility model Figure 2 A three-dimensional diagram of the exhaust coil structure.

[0019] Numbers in the figure: 1. Tank bottom; 2. Exhaust coil; 3. Exhaust pipe; 4. Filter; 5. Upper partition; 6. Lower partition; 7. Drain pipe; 8. Drain pipe; 9. Tank body; 10. Water pump; 11. Fixed rod; 12. Hollow ring pipe; 13. Nozzle; 14. Motor; 15. Rotating shaft; 16. Fan blades; 17. Guide seat; 18. Connecting frame; 19. Brush; 20. Exhaust pipe. DETAILED DESCRIPTION

[0020] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , a waste gas recovery device for chemical production, including a tank bottom 1, a waste gas coil 2 is arranged on the inner side of the tank bottom 1, one end of the waste gas coil 2 penetrates the tank bottom 1 and extends to the outer side of the tank bottom 1, the other end of the waste gas coil 2 is fixedly connected with an outlet pipe 3, a filter screen 4, an upper partition 5 and a lower partition 6 are fixedly connected to the inner side of the tank bottom 1, the outlet pipe 3 penetrates the filter screen 4 and is fixedly connected to the filter screen 4, the waste gas coil 2 penetrates the upper partition 5 and the lower partition 6 and is fixedly connected to both the upper partition 5 and the lower partition 6, and a sewage pipe 7 and a drain pipe 8 are arranged on the right side of the tank bottom 1. The sewage pipe 7 is arranged to facilitate the discharge of the treated liquid after use, and the heated clean water can be discharged from the tank bottom 1 through the drain pipe 8.

[0021] See also Figure 1 , Figure 2 The upper end of the tank bottom 1 is fixedly connected to the tank body 9, the inner top of the tank body 9 is fixedly connected to a fixing rod 11, the bottom of the fixing rod 11 is fixedly connected to a hollow annular tube 12, the inner side of the hollow annular tube 12 is provided with a nozzle 13, a water pump 10 is fixedly installed on the left side of the tank bottom 1, the input end of the water pump 10 is connected to the tank bottom 1, the other end of the water pump 10 passes through the tank body 9 and is connected to the hollow annular tube 12, and an exhaust pipe 20 is provided on the right side of the tank body 9. The exhaust pipe 20 is provided to facilitate the discharge of the treated waste gas.

[0022] See also Figure 1 , Figure 2, a motor 14 is fixedly installed on the top of the tank body 9, the output shaft of the motor 14 passes through the tank body 9 and is connected to the tank body 9 through a sealed bearing, the end of the output shaft is fixedly connected to a rotating shaft 15, and the middle section of the shaft body of the rotating shaft 15 is fixedly connected to a fan blade 16. The rotating shaft 15 is driven by the motor 14, so that the fan blade 16 rotates, which can accelerate the efficiency of mixing the treated liquid and the exhaust gas. The lower section of the shaft body of the rotating shaft 15 is fixedly connected to a connecting frame 18, and the end of the connecting frame 18 is fixedly connected to a brush 19, and the brush 19 is in contact with the filter screen 4. The provision of the brush 19 can prevent particulate impurities in the exhaust gas from clogging the filter screen 4. The lower end of the rotating shaft 15 is fixedly connected to a guide seat 17, and the guide seat 17 is a conical body. The provision of the guide seat 17 can prevent the treated liquid from entering the exhaust pipe 3.

[0023] Working principle: When in use, the exhaust gas enters through the exhaust gas coil 2 and is then discharged from the exhaust pipe 3. At this time, the water pump 10 draws the treatment liquid on the upper partition 5 into the hollow annular tube 12, and then sprays it out from the nozzle 13, and the exhaust gas is sprayed. At the same time, the motor 14 drives the rotating shaft 15 with fan blades 16 to rotate, which can accelerate the mixing efficiency between the exhaust gas and the treatment liquid, thereby improving the efficiency of exhaust gas recovery and treatment. Moreover, when the exhaust gas circulates in the exhaust gas coil 2, its heat will be transferred to the clean water, thereby heating the clean water, so that the waste heat of the exhaust gas is fully utilized, and the impurities generated after the exhaust gas and the treatment liquid are mixed are filtered through the filter 4, so that the treatment liquid can be recycled to achieve the purpose of environmental protection and energy saving. In addition, during the rotation of the rotating shaft 15, the rotating shaft 15 will drive the connecting frame 18 and the brush 19 at its end to rotate synchronously. The brush 19 can be used to scratch the filter 4 to prevent the filter 4 from being blocked.

Claims

1. A waste gas recovery device for chemical production, comprising a tank bottom (1), characterized in that: An exhaust gas coil (2) is arranged on the inner side of the tank bottom (1), one end of the exhaust gas coil (2) passes through the tank bottom (1) and extends to the outer side of the tank bottom (1), the other end of the exhaust gas coil (2) is fixedly connected to an exhaust pipe (3), the inner side of the tank bottom (1) is fixedly connected to a filter screen (4), an upper partition (5) and a lower partition (6), the exhaust gas coil (2) passes through the upper partition (5) and the lower partition (6) and is fixedly connected to both the upper partition (5) and the lower partition (6); The upper end of the tank bottom (1) is fixedly connected to the tank body (9), the inner top of the tank body (9) is fixedly connected to a fixing rod (11), the bottom of the fixing rod (11) is fixedly connected to a hollow annular tube (12), the inner side of the hollow annular tube (12) is provided with a nozzle (13), and a water pump (10) is fixedly installed on the left side of the tank bottom (1), the input end of the water pump (10) is connected to the tank bottom (1), and the other end of the water pump (10) passes through the tank body (9) and is connected to the hollow annular tube (12).

2. A waste gas recovery device for chemical production according to claim 1, characterized in that: A sewage pipe (7) and a drainage pipe (8) are arranged on the right side of the tank bottom (1).

3. A waste gas recovery device for chemical production according to claim 1, characterized in that: An electric motor (14) is fixedly mounted on the top of the tank body (9); an output shaft of the electric motor (14) passes through the tank body (9) and is connected to the tank body (9) via a sealed bearing; a rotating shaft (15) is fixedly connected to the end of the output shaft; and a fan blade (16) is fixedly connected to the middle section of the rotating shaft (15).

4. A waste gas recovery device for chemical production according to claim 3, characterized in that: The lower section of the shaft of the rotating shaft (15) is fixedly connected to a connecting frame (18), the end of the connecting frame (18) is fixedly connected to a brush (19), and the brush (19) is in contact with the filter screen (4).

5. A waste gas recovery device for chemical production according to claim 3, characterized in that: The lower end of the rotating shaft (15) is fixedly connected with a flow guide seat (17), and the flow guide seat (17) is a conical body.

6. A waste gas recovery device for chemical production according to claim 1, characterized in that: An exhaust pipe (20) is arranged on the right side of the tank body (9).

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