Chemical tail gas collecting and recycling equipment

By designing chemical exhaust gas collection and recycling equipment, using vibrating motors and neodymium iron boron permanent magnet plates to absorb dust and metal particles, and reacting calcium oxide solution to generate recyclable calcium sulfate, the failure of dust and metal substances in chemical exhaust gas is solved. The recycling problem has improved exhaust gas treatment efficiency and resource utilization.

CN222239364UActive Publication Date: 2024-12-27JIANGSU ZHUORAN HENGTAI LOW TEMPERATURE TECH CO LTD
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Patent Information

Application Number
CN202420836774.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-22
Publication Date
2024-12-27
Estimated Expiration
2034-04-22

AI Technical Summary

Technical Problem

The existing chemical exhaust gas treatment methods fail to effectively recover dust and metal substances in the exhaust gas, resulting in environmental pollution and waste of resources.

Method used

A chemical exhaust gas collection and recycling equipment was designed, including collection components, vibration components and metal adsorption components, which absorb dust and metal particles through vibrating motors and neodymium iron boron permanent magnet plates, and react with the exhaust gas with calcium oxide solution to generate recyclable Calcium sulfate.

Benefits of technology

Effectively filtering and recycling of dust and metal particles in chemical exhaust gases improves exhaust gas treatment efficiency, reduces resource waste, and enhances the widespread environmental protection and resource reuse through the recycling of calcium sulfate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of tail gas treatment, and discloses chemical tail gas collecting and recycling equipment which comprises a supporting table, and a recycling bin is fixedly connected to the surface of the supporting table conveniently. According to the chemical tail gas collecting and recycling equipment, through the arrangement of the collecting assembly, the vibrating assembly and the metal adsorption assembly, during use, chemical tail gas enters the recycling barrel through a gas inlet pipe, a collecting cloth bag in the recycling barrel filters dust in the chemical tail gas, the dust is left on the surface of the collecting cloth bag, a vibrating motor is started, and a rotating magnetic field can be generated; the magnetic field can cause unbalance of a cam, so that vibration is generated, a collecting cloth bag is vibrated, collected dust is beaten to a containing box below, a neodymium iron boron permanent magnet plate adsorbs metal particles possibly existing in the dust, the dust and the metal particles are distinguished, and the tail gas treatment efficiency is improved; and metal particles in the chemical tail gas can be recycled, so that the environment is protected.
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Description

Technical Field

[0001] The utility model relates to the technical field of tail gas treatment, in particular to a chemical tail gas collection and recycling device. Background Art

[0002] Chemical waste gas refers to toxic and harmful gases discharged by chemical plants during chemical production. Chemical waste gas often contains many types of pollutants, with complex physical and chemical properties and different toxicities, which seriously pollute the environment and affect human health. The composition of chemical waste gas generated by different chemical production industries varies greatly. Chemical tail gas needs to be treated before it can be discharged. Most of the existing treatment methods are to introduce these chemical tail gas into the chemical tail gas treatment device for combustion and reuse. First, the toxic chemical tail gas can be harmlessly treated, and second, the heat after the combustion of chemical tail gas can be used to save energy and protect the environment.

[0003] In the existing chemical tail gas treatment, the metals in the chemical tail gas and the treated products are not recycled and reused, which is not convenient for improving the full utilization of the by-products generated by the chemical tail gas.

[0004] After searching the existing patent: A novel chemical tail gas recovery and utilization device (publication number: CN209386316U), the utility model provides a novel chemical tail gas recovery and utilization device, including a first combustion device, a heat exchange device and a chimney; the heat exchange device includes a first air inlet, a first exhaust port, a first water inlet and a first water outlet; and also includes a second combustion device, the exhaust gas outlet of the first combustion device is connected to the exhaust gas inlet of the second combustion device through a flue, the exhaust gas outlet of the second combustion device is connected to the first air inlet through a flue, and the first exhaust port is connected to the chimney. The first combustion device, the second combustion device and the heat exchange device adopt a split design, which increases the heat exchange area and strengthens the heat exchange effect. At the same time, the first combustion device and the second combustion device are used for two-stage combustion, which improves the burnout rate of chemical tail gas and further achieves energy saving and environmental protection.

[0005] Although the above patent achieves complete combustion of the tail gas, the tail gas contains a large amount of dust, which is discharged into the air, making it inconvenient to protect the environment.

[0006] Therefore, it is necessary to invent a chemical tail gas collection and recycling equipment to solve the above problems. Utility Model Content

[0007] 1. Technical issues to be solved

[0008] The technical problem solved by the utility model is to provide a chemical exhaust gas collection and recycling equipment which is highly practical, can be simply operated and has a relatively simple structure, thereby solving the problem raised in the above background technology that the chemical exhaust gas contains a large amount of dust which is discharged into the air and is not convenient for protecting the environment.

[0009] (II) Technical solution

[0010] To achieve the above objectives, the utility model is implemented through the following technical solutions: a chemical tail gas collection and recycling equipment, including a support platform, a recovery barrel is fixedly connected to the surface of the support platform, one end of the recovery barrel is connected to an air intake pipe, a groove is provided inside the recovery barrel, a collection component is clamped inside the groove, a vibration component is fixedly connected to the surface of the collection component, a metal adsorption component is threadedly connected to the bottom surface of the recovery barrel, a connecting pipe is connected to the top surface of the recovery barrel, a reaction barrel is fixedly connected to the middle part of the support platform surface, a separation component is threadedly connected to the bottom surface of the reaction barrel, a collection pipe is connected to the top surface of the reaction barrel, a circulation pump is fixedly connected to the top surface of the support platform, a liquid storage barrel is fixedly connected to the other side of the support platform surface, and a spray component is fixedly connected to the top surface of the liquid storage barrel.

[0011] As a further solution of the utility model, the collecting assembly includes a fixing frame clamped in the groove, a through hole is provided on the surface of the fixing frame, a collecting bag is fixedly connected inside the through hole, and the collecting bag is convenient for collecting dust in the chemical exhaust gas.

[0012] As a further solution of the utility model, the vibration component includes a vibration motor fixedly connected to the surface of the collection component fixing frame, the output end of the vibration motor is splined with a transmission rod, one end of the transmission rod is fixedly connected to a cam, and the cam is convenient for providing centrifugal force.

[0013] As a further solution of the utility model, the metal adsorption component includes a containing box threadedly connected to the bottom surface of the recovery barrel, the inner bottom wall of the containing box is fixedly connected to a protective layer, the interior of the protective layer is fixedly connected to a neodymium iron boron permanent magnet plate, and the neodymium iron boron permanent magnet plate is convenient for adsorbing metal dust in chemical exhaust gas.

[0014] As a further solution of the utility model, the separation component includes a separation frame threadedly connected to the bottom surface of the reaction barrel, a filter screen is clamped inside the separation frame, and a filter membrane is provided on the surface of the filter screen, which facilitates the separation of the reacted calcium sulfate and the reaction solution.

[0015] As a further solution of the utility model, the output end of the circulation pump is connected to the bottom surface of the separation frame, and the input end of the circulation pump is connected to one side of the liquid storage barrel, which is convenient for storing the calcium oxide solution medium.

[0016] As a further solution of the utility model, the spray assembly includes a water pump fixedly connected to the top surface of the liquid storage barrel, the output end of the water pump is connected through an output ring, and the inner wall of the output ring is connected through a plurality of groups of nozzles for spraying the reaction liquid.

[0017] As a further solution of the utility model, a connecting hole is opened on the surface of the reaction barrel, and an air suction fan is fixedly connected to the interior of the connecting hole, so that the air suction fan can easily suck the filtered chemical tail gas into the reaction barrel.

[0018] (III) Beneficial effects

[0019] The utility model provides a chemical tail gas collection and recycling device, which has the following beneficial effects:

[0020] 1. The chemical tail gas collection and recycling equipment is equipped with a collection component, a vibration component and a metal adsorption component. When in use, the chemical tail gas enters the recovery barrel through the air inlet pipe. The collection bag in the recovery barrel filters the dust in the chemical tail gas, and the dust remains on the surface of the collection bag. Starting the vibration motor will generate a rotating magnetic field. This magnetic field will cause the cam to be unbalanced, thereby generating vibration, vibrating the collection bag, and slapping the collected dust into the containing box below. The NdFeB permanent magnet plate will adsorb the metal particles that may exist in the dust, distinguish the dust from the metal particles, improve the efficiency of tail gas treatment, and also enable the metal particles in the chemical tail gas to be recycled and reused to protect the environment.

[0021] 2. The chemical tail gas collection and recycling equipment is provided with a spray component, a circulation pump, and a separation component. When in use, the chemical tail gas that has been dusted is transported to a reaction barrel. A water pump draws a calcium oxide solution medium from the liquid storage barrel, and sprays it into the reaction barrel through a nozzle to react with the chemical tail gas to generate calcium sulfate and water. The filter net and the filter membrane filter and separate the calcium sulfate and water. The water is input into the liquid storage barrel again through a circulation pump, so as to improve reuse and reduce resource waste. The obtained calcium sulfate can be recycled and reused. The chemical tail gas that has been desulfurized is purified and can be collected to a treatment site through a collection pipe for waste heat energy recovery, thereby improving the recycling and reuse of the chemical tail gas. At the same time, the obtained calcium sulfate can be used in the manufacture of buildings and agricultural soil, etc., so as to improve the extensiveness of chemical tail gas recycling and reuse. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the separation component of the utility model;

[0024] Figure 3This is a schematic diagram of the structure of the collection component of the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the spray assembly of the utility model.

[0026] In the figure: 1. Support table; 2. Recovery barrel; 3. Inlet pipe; 4. Collection component; 401. Fixed frame; 402. Collection bag; 5. Vibration component; 501. Vibration motor; 502. Cam; 6. Metal adsorption component; 601. Container; 602. Protective layer; 603. NdFeB permanent magnet plate; 7. Connecting pipe; 8. Reaction barrel; 9. Separation component; 901. Separation frame; 902. Filter net; 903. Filter membrane; 10. Circulation pump; 11. Liquid storage barrel; 12. Spray component; 1201. Water pump; 1202. Output ring; 1203. Nozzle; 13. Suction fan; 14. Collection pipe. DETAILED DESCRIPTION

[0027] 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. 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.

[0028] See also Figures 1 to 4The utility model provides a technical solution: a chemical tail gas collection and recycling device, including a support platform 1, a recovery barrel 2 is conveniently fixedly connected to the surface of the support platform 1, one end of the recovery barrel 2 is connected to an air intake pipe 3, a groove is provided inside the recovery barrel 2, a collection component 4 is clamped inside the groove, a vibration component 5 is fixedly connected to the surface of the collection component 4, a metal adsorption component 6 is threadedly connected to the bottom surface of the recovery barrel 2, and through the arrangement of the collection component 4, the vibration component 5 and the metal adsorption component 6, when in use, the chemical tail gas enters the recovery barrel 2 through the air intake pipe 3, and the collection bag 402 in the recovery barrel 2 is used to collect the chemical tail gas. The dust is filtered, and the filtered gas enters the reaction barrel 8. The dust remains on the surface of the collection bag 402. The vibration motor 501 is started. When the current passes through the coil, a rotating magnetic field is generated. This magnetic field causes the cam 502 to be unbalanced, thereby generating vibration, vibrating the collection bag 402, and slapping the collected dust into the holding box 601 below. The NdFeB permanent magnet plate 603 adsorbs the metal particles that may exist in the dust, so that the dust and metal particles can be distinguished during the later recycling, thereby improving the efficiency of exhaust gas treatment and allowing the metal particles in the chemical exhaust gas to be recycled and reused. To protect the environment, the top surface of the recovery barrel 2 is connected with a connecting pipe 7, the middle part of the surface of the support platform 1 is fixedly connected with a reaction barrel 8, the bottom surface of the reaction barrel 8 is threadedly connected with a separation component 9, the top surface of the reaction barrel 8 is connected with a collecting pipe 14, the top surface of the support platform 1 is fixedly connected with a circulation pump 10, the other side of the surface of the support platform 1 is fixedly connected with a liquid storage barrel 11, and the top surface of the liquid storage barrel 11 is fixedly connected with a spray component 12. Through the arrangement of the spray component 12, the circulation pump 10, and the separation component 9, when in use, the chemical tail gas after dust removal is transported to the reaction barrel 8, and the water pump 1201 extracts the calcium oxide solution medium from the liquid storage barrel 11. The calcium sulfate is sprayed into the reaction barrel 8 through the nozzle 1203 to react with the chemical tail gas to generate calcium sulfate and water. The filter net 902 and the filter membrane 903 filter and separate the calcium sulfate and the water. The water is input into the liquid storage barrel 11 again through the circulation pump 10, so as to improve the reuse and reduce the waste of resources. The obtained calcium sulfate can be recycled and reused. The chemical tail gas after desulfurization is purified and can be collected to the treatment place through the collection pipe 14 to recover the waste heat energy, so as to improve the recycling and reuse of the chemical tail gas. At the same time, the obtained calcium sulfate can be used in the manufacture of buildings and agricultural soil, etc., so as to improve the extensiveness of the recycling and reuse of chemical tail gas.

[0029] The collecting assembly 4 includes a fixing frame 401 which is clamped in the groove. A through hole is formed on the surface of the fixing frame 401. A collecting bag 402 is fixedly connected inside the through hole. The dust in the chemical tail gas can be easily filtered by the setting of the collecting assembly 4.

[0030] The vibration assembly 5 includes a vibration motor 501 fixedly connected to the surface of the fixing frame 401 of the collection assembly 4, the output end of the vibration motor 501 is spline-connected with a transmission rod, and one end of the transmission rod is fixedly connected with a cam 502. Through the arrangement of the vibration assembly 5, it is convenient to beat the dust in the collection bag 402, so as to play a role in cleaning and collecting;

[0031] The metal adsorption component 6 includes a holding box 601 threadedly connected to the bottom surface of the recovery barrel 2, the inner bottom wall of the holding box 601 is fixedly connected with a protective layer 602, and the interior of the protective layer 602 is fixedly connected with a neodymium iron boron permanent magnet plate 603. Through the arrangement of the metal adsorption component 6, the metal particles in the chemical tail gas dust are adsorbed;

[0032] The separation component 9 includes a separation frame 901 threadedly connected to the bottom surface of the reaction barrel 8, a filter screen 902 is clamped inside the separation frame 901, and a filter membrane 903 is arranged on the surface of the filter screen 902. Through the arrangement of the separation component 9, the desulfurized product and the liquid are separated to improve the recovery efficiency;

[0033] The output end of the circulation pump 10 is connected to the bottom surface of the separation frame 901, and the input end of the circulation pump 10 is connected to one side of the liquid storage barrel 11. The setting of the circulation pump 10 plays a role in recycling the liquid;

[0034] The spray assembly 12 includes a water pump 1201 fixedly connected to the top surface of the liquid storage barrel 11, the output end of the water pump 1201 is connected to an output ring 1202, and the inner wall of the output ring 1202 is connected to a plurality of groups of nozzles 1203. The spray assembly 12 is arranged to desulfurize the chemical tail gas;

[0035] A connecting hole is provided on the surface of the reaction barrel 8 , and an air suction fan 13 is fixedly connected to the interior of the connecting hole. The air suction fan 13 is provided to suck the chemical tail gas into the reaction barrel 8 .

[0036] In the utility model, the working steps of the device are as follows:

[0037] Step 1: When in use, the chemical tail gas enters the recovery barrel 2 through the air inlet pipe 3, and the collection bag 402 in the recovery barrel 2 filters the dust in the chemical tail gas. The filtered gas enters the reaction barrel 8, and the dust remains on the surface of the collection bag 402. The vibration motor 501 is started. When the current passes through the coil, a rotating magnetic field is generated. This magnetic field causes the cam 502 to be unbalanced, thereby generating vibration, vibrating the collection bag 402, and slapping the collected dust to the holding box 601 below. The NdFeB permanent magnet plate 603 adsorbs the metal particles that may exist in the dust;

[0038] The second step: when in use, the chemical tail gas that has been dusted is transported to the reaction barrel 8, the water pump 1201 extracts the calcium oxide solution medium from the liquid storage barrel 11, and sprays it into the reaction barrel 8 through the nozzle 1203 to react with the chemical tail gas to generate calcium sulfate and water, the filter net 902 and the filter membrane 903 filter and separate the calcium sulfate and water, and the water is input into the liquid storage barrel 11 again through the circulation pump 10.

[0039] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0040] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0041] 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 chemical tail gas collection and recycling device, comprising a support platform (1), characterized in that: The surface of the support platform (1) is conveniently fixedly connected with a recovery barrel (2), one end of the recovery barrel (2) is connected with an air intake pipe (3), a groove is provided inside the recovery barrel (2), a collecting component (4) is clamped inside the groove, a vibration component (5) is fixedly connected to the surface of the collecting component (4), the bottom surface of the recovery barrel (2) is threadedly connected with a metal adsorption component (6), the top surface of the recovery barrel (2) is connected with a connecting pipe (7), the middle part of the surface of the support platform (1) is fixedly connected with a reaction barrel (8), the bottom surface of the reaction barrel (8) is threadedly connected with a separation component (9), the top surface of the reaction barrel (8) is connected with a collecting pipe (14), the top surface of the support platform (1) is fixedly connected with a circulation pump (10), the other side of the surface of the support platform (1) is fixedly connected with a liquid storage barrel (11), and the top surface of the liquid storage barrel (11) is fixedly connected with a spraying component (12).

2. The chemical tail gas collection and recycling equipment according to claim 1, characterized in that: The collecting assembly (4) comprises a fixing frame (401) which is clamped inside the groove, a through hole is provided on the surface of the fixing frame (401), and a collecting cloth bag (402) is fixedly connected inside the through hole.

3. The chemical tail gas collection and recycling equipment according to claim 1, characterized in that: The vibration component (5) comprises a vibration motor (501) fixedly connected to the surface of a fixing frame (401) of the collection component (4), the output end of the vibration motor (501) being spline-connected to a transmission rod, and one end of the transmission rod being fixedly connected to a cam (502).

4. The chemical tail gas collection and recycling equipment according to claim 1, characterized in that: The metal adsorption component (6) comprises a containing box (601) threadedly connected to the bottom surface of the recycling barrel (2), the inner bottom wall of the containing box (601) is fixedly connected to a protective layer (602), and the interior of the protective layer (602) is fixedly connected to a neodymium iron boron permanent magnet plate (603).

5. The chemical tail gas collection and recycling equipment according to claim 1, characterized in that: The separation assembly (9) comprises a separation frame (901) fixedly connected to the bottom surface of the reaction barrel (8) by threading, a filter screen (902) is clamped inside the separation frame (901), and a filter membrane (903) is arranged on the surface of the filter screen (902).

6. The chemical tail gas collection and recycling equipment according to claim 1, characterized in that: The output end of the circulation pump (10) is connected to the bottom surface of the separation frame (901), and the input end of the circulation pump (10) is connected to one side of the liquid storage barrel (11).

7. The chemical tail gas collection and recycling equipment according to claim 1, characterized in that: The spray assembly (12) comprises a water pump (1201) fixedly connected to the top surface of the liquid storage barrel (11); the output end of the water pump (1201) is connected through an output ring (1202); and the inner wall of the output ring (1202) is connected through a plurality of groups of spray heads (1203).

8. The chemical tail gas collection and recycling equipment according to claim 1, characterized in that: A communicating hole is provided on the surface of the reaction barrel (8), and an air suction fan (13) is fixedly connected to the interior of the communicating hole.