Waste gas recovery treatment device
By designing a material separation device in the waste gas recovery and treatment device, the contact area and time between the waste gas and the alkaline solution is increased, the problem of low waste gas treatment efficiency in the prior art is solved, and a more efficient waste gas recovery and treatment effect is achieved.
Patent Information
- Application Number
- CN202420801128.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-17
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-17
AI Technical Summary
When the existing waste gas recovery and treatment device treats high-pressure waste gas, the contact time between the waste gas and the alkaline solution is too short, resulting in low processing efficiency and inability to effectively recover and treat waste gas.
A waste gas recovery and treatment device is designed, including a material separation device, which increases the contact area and time of the waste gas and alkaline solution through structures such as the material separation cover and the L-shaped branch pipe, including the L-set on the material separation cover and the vertical pipe. The fine pores of the branch pipe form a swirl-like alkaline washing solution to enhance the contact effect.
It effectively extends the contact time between waste gas and alkaline solution, improves the efficiency of waste gas treatment, and significantly improves the effect of waste gas recovery and treatment.
Smart Images

Figure CN222131479U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of waste gas treatment, and in particular relates to a waste gas recovery and treatment device. Background Art
[0002] Industrial waste gas is an important source of air pollutants. The discharge of large amounts of industrial waste gas into the atmosphere will inevitably reduce the quality of the atmospheric environment, bring serious harm to human health, and cause huge losses to the national economy. Toxic and harmful substances in industrial waste gas can enter the human body through the respiratory tract and skin. Long-term low-concentration or short-term high-concentration exposure can cause temporary and permanent lesions in the respiratory, blood, liver and other systems and organs of the human body. Waste gas containing toxic and harmful substances needs to be recycled and treated before it can be discharged.
[0003] Chinese patent number CN220214484U discloses a waste gas recovery and treatment device, which neutralizes the acidic substances in the waste gas by an alkaline solution. The device uses a stirring device to improve the treatment efficiency. However, when the device treats high-pressure waste gas, the contact time between the waste gas and the alkaline solution is short, resulting in a low treatment efficiency, which is not conducive to the recovery and treatment of the waste gas. Utility Model Content
[0004] In order to overcome the defects of the prior art, the purpose of the utility model is to provide an exhaust gas recovery and treatment device, which is used to solve the problems of slow exhaust gas treatment speed and low efficiency of the exhaust gas recovery device in the prior art.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] A waste gas recovery and treatment device comprises a shell, a filtering device is arranged at the lower end of the shell, a condensing device is arranged between the filtering device and the bottom of the shell, a feeding port is opened on the side wall of the shell, a cover plate is connected to the feeding port, an air inlet pipe is arranged on the side wall of the shell, the air inlet pipe extends to the inner cavity of the shell, a material distribution device is arranged at the end of the air inlet pipe, the material distribution device is connected with the air inlet pipe, and an air outlet is arranged on the top of the shell.
[0007] According to the above technical solution, it is further preferred that the material distribution device includes a material distribution cover, which is connected to the air inlet pipe, and a plurality of air outlet holes are arranged on the material distribution cover, and the air outlet holes face the surroundings of the inner cavity of the shell.
[0008] Preferably, the material distribution device comprises a vertical pipe, a plurality of L-shaped branch pipes are arranged on the vertical pipe, and a plurality of fine holes are arranged at the ends of the L-shaped branch pipes.
[0009] Preferably, the plurality of L-shaped branch pipes are arranged in layers up and down, and the bending directions of the plurality of L-shaped branch pipes are consistent.
[0010] Preferably, one end of the cover plate is hingedly connected to the shell.
[0011] Preferably, a handle is provided on the cover plate, and a handle press lock is provided on the shell.
[0012] Preferably, a spray device is provided on the upper portion of the shell, a liquid phase outlet is provided on one side of the shell, and the liquid phase outlet is connected to a pipeline of the spray device through a circulation device.
[0013] Preferably, the filtering device is a particle filter.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] The utility model provides a waste gas recovery and treatment device. The utility model is provided with a material dividing device for increasing the contact area between the waste gas and the alkaline solution, prolonging the contact time between the waste gas and the alkaline solution, and improving the waste gas treatment efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the structure of the first embodiment of the utility model;
[0017] Figure 2 This is a schematic diagram of the structure of the second embodiment of the utility model device;
[0018] Figure 3 This is a schematic diagram of the top view of the material dispensing device in Embodiment 2 of the utility model.
[0019] In the figure: 1. shell, 2. filtering device, 3. condensing device, 4. material taking port, 5. cover plate, 6. air inlet pipe, 7. material distribution device, 8. air outlet, 9. air outlet hole, 10. vertical pipe, 11. L-shaped branch pipe, 12. fine holes, 13. spraying device, 14. liquid phase inlet, 15. material distribution cover, 16. handle. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0021] Embodiment 1
[0022] like Figure 1As shown, the utility model provides an embodiment of a waste gas recovery and treatment device, including a shell 1, a filter device 2 is provided at the lower end of the shell 1, and the filter device 2 is a particle filter. It is used to filter particulate matter and separate the particulate matter from the alkaline washing solution. A condensation device 3 is provided between the filter device 2 and the bottom of the shell 1, and a feed port 4 is provided on the side wall of the shell 1, and a cover plate 5 is connected to the feed port 4. Alkaline washing solution is filled in the inner cavity of the shell 1, and the industrial waste gas to be treated is passed into the alkaline washing solution to carry out a neutralization reaction to remove the acidic substances in the waste gas. The salt solution after neutralization is cooled by the condensation device 3 to precipitate salt crystals or flocculent substances, etc. The function of the filter device 2 is to separate the upper alkaline washing solution from the particulate matter, and the salt crystals or flocculent substances are taken out through the feed port 4. An air inlet pipe 6 is provided on the side wall of the shell 1, and the air inlet pipe 6 extends to the inner cavity of the shell 1. A material distributor 7 is provided at the end of the air inlet pipe 6, and the material distributor 7 is connected to the air inlet pipe 6. An air outlet 8 is provided at the top of the shell 1. Spraying devices 13 are provided on both sides of the air outlet 8 at the top of the shell 1, and a liquid phase outlet 14 is provided on one side of the shell 1. The liquid phase outlet 14 is connected to the spraying device 13 pipeline through a circulation device. The spraying device 13 is used to further spray the waste gas treated with alkali washing, and is used to treat the acidic substances remaining in the waste gas. The treated waste gas can take away part of the moisture by spraying, so that the waste gas is moistened, which is conducive to discharge.
[0023] The material distribution device 7 includes a material distribution cover 15, which is connected to the air inlet pipe 6, and is provided with a plurality of air outlet holes 9, which face the inner cavity of the shell 1. The material distribution cover 15 is a cubic cover, and a spherical cover can also be used. A plurality of air outlet holes are provided on the surface of the cover. A section of the material distribution cover 15 is connected to the exhaust gas inlet. The material distribution cover 15 is immersed in the alkaline washing solution. After the exhaust gas passes into the material distribution cover 15, it is discharged from the air outlet holes 9. The plurality of exhaust gas outlets allow the exhaust gas to fully contact with the alkaline washing solution, thereby increasing the exhaust gas treatment contact area, achieving a good treatment effect, and improving the exhaust gas treatment efficiency.
[0024] One end of the cover plate 5 is hingedly connected to the housing 1 .
[0025] The cover plate 5 is provided with a handle 16 , and the housing 1 is provided with a handle press lock.
[0026] Embodiment 2
[0027] like Figure 2 and Figure 3As shown, the utility model provides another embodiment of a waste gas recovery and treatment device, the difference between this embodiment and the first embodiment lies in the structure of a material distribution device 7, comprising a shell 1, a filtering device 2 is arranged at the lower end of the shell 1, a condensing device 3 is arranged between the filtering device 2 and the bottom of the shell 1, a material taking port 4 is opened on the side wall of the shell 1, a cover plate 5 is connected to the material taking port 4, an air inlet pipe 6 is arranged on the side wall of the shell 1, the air inlet pipe 6 extends to the inner cavity of the shell 1, a material distribution device 7 is arranged at the end of the air inlet pipe 6, the material distribution device 7 is connected with the air inlet pipe 6, and an air outlet 8 is arranged at the top of the shell 1.
[0028] The material distribution device 7 includes a vertical pipe 10, on which a plurality of L-shaped branch pipes 11 are arranged, and a plurality of fine holes 12 are arranged at the ends of the L-shaped branch pipes 11. The plurality of L-shaped branch pipes 11 are arranged in layers up and down, and the bending directions of the plurality of L-shaped branch pipes 11 are consistent. The material distribution device 7 is immersed in an alkaline washing solution, and a plurality of L-shaped branch pipes 11 are arranged on the side wall of the vertical pipe 10 in staggered distribution. The ends of the L-shaped branch pipes 11 are provided with a plurality of fine holes 12, and the fine holes 12 are used as an inlet for waste gas treatment. The waste gas passes into the vertical pipe 10 through the air inlet pipe, and is then distributed to a plurality of outlet directions through the L-shaped branch pipe. The outlet direction of the fine holes 12 is facing away from the end of the L-shaped branch pipe 11, and the outlet direction of the plurality of fine holes 12, under the action of the waste gas pressure, the alkaline washing solution forms a vortex, which can make the alkaline washing solution in a stirring state, increase the contact area between the waste gas and the alkaline washing solution, and improve the waste gas treatment efficiency.
[0029] One end of the cover plate 5 is hingedly connected to the housing 1 .
[0030] The cover plate 5 is provided with a handle 16 , and the housing 1 is provided with a handle press lock.
[0031] A spray device 13 is disposed on the upper portion of the shell 1 , and a liquid phase outlet 14 is disposed on one side of the shell 1 . The liquid phase outlet 14 is connected to the spray device 13 through a circulation device.
[0032] The filtering device 2 is a particle filter.
[0033] Of course, the above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples. Any changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the protection scope of the present invention.
Claims
1. A waste gas recovery and treatment device, comprising a housing (1), characterized in that: A filter device (2) is provided at the lower end of the shell (1), a condensation device (3) is provided between the filter device (2) and the bottom of the shell (1), a material taking port (4) is provided on the side wall of the shell (1), a cover plate (5) is connected to the material taking port (4), an air inlet pipe (6) is provided on the side wall of the shell (1), the air inlet pipe (6) extends to the inner cavity of the shell (1), a material distribution device (7) is provided at the end of the air inlet pipe (6), the material distribution device (7) is connected to the air inlet pipe (6), and an air outlet (8) is provided at the top of the shell (1).
2. The waste gas recovery and treatment device according to claim 1, characterized in that: The material distribution device (7) comprises a material distribution cover (15), which is in continuous connection with the air inlet pipe (6), and a plurality of air outlet holes (9) are arranged on the material distribution cover (15), and the air outlet holes (9) face the periphery of the inner cavity of the shell (1).
3. The waste gas recovery and treatment device according to claim 1, characterized in that: The material distribution device (7) comprises a vertical pipe (10), on which a plurality of L-shaped branch pipes (11) are arranged, and at the ends of the L-shaped branch pipes (11) a plurality of fine holes (12) are arranged.
4. The waste gas recovery and treatment device according to claim 3, characterized in that: The plurality of L-shaped branch pipes (11) are arranged in layers up and down, and the bending directions of the plurality of L-shaped branch pipes (11) are consistent.
5. The waste gas recovery and treatment device according to claim 1, characterized in that: One end of the cover plate (5) is hingedly connected to the housing (1).
6. The waste gas recovery and treatment device according to claim 1, characterized in that: The cover plate (5) is provided with a handle (16), and the housing (1) is provided with a handle press lock.
7. The waste gas recovery and treatment device according to claim 1, characterized in that: A spray device (13) is provided on the upper part of the shell (1), and a liquid phase outlet (14) is provided on one side of the shell (1). The liquid phase outlet (14) is connected to the spray device (13) pipeline through a circulation device.
8. The waste gas recovery and treatment device according to claim 1, characterized in that: The filtering device (2) is a particle filter.
