Novel zeolite rotating wheel adsorption waste gas treatment device

By introducing heat exchange components for waste gas and clean gas into the zeolite rotor waste gas treatment device, waste heat recovery and utilization are realized, solving the problem of energy consumption from electric heating, reducing operating costs and optimizing the heating process.

CN222324740UActive Publication Date: 2025-01-10ANHUI GUOKE ENVIRONMENTAL PROTECTION EQUIP MFG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421163113.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-24
Publication Date
2025-01-10
Estimated Expiration
2034-05-24

AI Technical Summary

Technical Problem

Existing zeolite rotor exhaust gas treatment devices require electric heaters during the desorption process, consuming additional energy, and the heat from both exhaust gas and purified gas is wasted during emission.

Method used

A novel zeolite rotor adsorption waste gas treatment device was designed. Through the alternating flow of heat exchange components in the heat exchange chambers of waste gas and clean gas and the waste heat recovery system, the heat of waste gas and clean gas is used to preheat and further heat the desorbed gas, reducing the use of electric heaters.

Benefits of technology

It saves energy from electric heating, maximizes the use of waste heat, reduces operating costs, and optimizes the heating process through temperature sensors, ensuring the normal operation of the process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222324740U_ABST
    Figure CN222324740U_ABST
Patent Text Reader

Abstract

The utility model provides a novel zeolite runner adsorption waste gas treatment device, which relates to the technical field of waste gas treatment and comprises a zeolite runner and a heat exchange bin, an adsorption area and a desorption area are arranged in the zeolite runner, and a waste gas heat exchange cavity and a purified gas heat exchange cavity are respectively arranged on two sides in the heat exchange bin. Gas collecting hoods are arranged at the upper and lower ends of the waste gas heat exchange cavity and the purified gas heat exchange cavity; waste gas is introduced into the heat exchange assembly in the waste gas heat exchange cavity through the waste gas inlet pipe and is discharged from the guide pipe to reach the adsorption area through the filtering part for adsorption treatment, treated purified gas is discharged into the heat exchange assembly in the purified gas heat exchange cavity from the purified gas pipe and is discharged from the outlet pipe, and in the process, desorbed gas is introduced through the desorbed gas inlet pipe, so that the desorbed gas is discharged into the heat exchange assembly in the purified gas heat exchange cavity. The waste gas enters the purified gas heat exchange cavity firstly, then enters the waste gas heat exchange cavity through the communicating pipe, is in contact with the heat exchange assemblies in the two cavities for heat exchange and enters the desorption area through the guide pipe for auxiliary desorption after being heated, and energy for electric heating is saved advantageously.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to a novel zeolite wheel adsorption waste gas treatment device. Background Art

[0002] With the rapid development of industry and economy, air pollution is becoming more and more serious. Volatile organic compounds combine with other pollutants in the air to generate secondary organic particles or secondary organic aerosols under the irradiation of sunlight. They are secondary pollution sources. They can directly enter and adhere to the upper and lower respiratory tracts and lung lobes of the human body, and deposit in the upper and lower respiratory tracts and alveoli respectively, causing rhinitis, bronchitis and other respiratory diseases. Long-term exposure to such an environment can also induce cancer. The purification of organic waste gas is divided into recovery technology and destruction technology. Recovery technology includes absorption, adsorption, condensation, separation, etc.; while destruction technology includes combustion, biodegradation, photocatalysis, plasma, ozone, etc. Zeolite rotor concentration device is a combination of the two.

[0003] The zeolite rotor concentrator is internally divided into an adsorption zone and a desorption zone, and the zeolite rotor continuously rotates through the adsorption zone and the desorption zone, and the waste gas generated by the process is introduced into the adsorption zone, and the organic matter in the waste gas is adsorbed by the zeolite rotor, and rotated to the zeolite rotor in the desorption zone, and the organic matter adsorbed on the zeolite rotor is desorbed by introducing a small stream of heated desorption gas, and the desorption gas flow carrying the desorbed organic matter is introduced into the incinerator for incineration treatment. In this way, through the rotation operation of the zeolite rotor, the zeolite rotor continuously repeats the steps of adsorption and desorption. In this process, in order to ensure the quality of desorption, an electric heater is required to electrically heat the small stream of desorption gas, which consumes additional energy. The waste gas often has a certain amount of heat before entering the treatment and after the adsorption treatment. This part of the heat is discharged into the atmosphere with the clean gas, causing waste. Therefore, the utility model proposes a novel zeolite rotor adsorption waste gas treatment device to solve the problems existing in the prior art. Utility Model Content

[0004] In view of the above problems, the utility model proposes a novel zeolite wheel adsorption waste gas treatment device, which is conducive to saving energy for electric heating, maximizing the utilization of waste heat, and saving costs.

[0005] To achieve the purpose of the utility model, the utility model is implemented by the following technical solutions: a novel zeolite rotor adsorption exhaust gas treatment device, comprising a zeolite rotor and a heat exchange chamber, wherein the zeolite rotor is provided with an adsorption zone and a desorption zone, and both sides of the heat exchange chamber are provided with an exhaust gas heat exchange chamber and a clean gas heat exchange chamber, and the upper and lower ends of the exhaust gas heat exchange chamber and the clean gas heat exchange chamber are provided with gas collecting hoods, and a heat exchange component is connected between two groups of the gas collecting hoods at adjacent upper and lower ends;

[0006] An exhaust gas inlet pipe is connected to the air collecting hood at the upper left end, a duct is connected below the air collecting hood at the lower left end, the duct is connected to the left side of the adsorption zone through a filter, a clean air pipe is connected below the air collecting hood at the lower right end, and one end of the clean air pipe is connected to the right side of the adsorption zone, an outlet pipe is connected to the air collecting hood at the upper right end, a desorption gas inlet pipe is connected to the right side of the clean air heat exchange chamber, a guide pipe is connected between the left side of the exhaust gas heat exchange chamber and the right side of the desorption zone, and a connecting pipe is connected below the exhaust gas heat exchange chamber and the clean air heat exchange chamber.

[0007] A further improvement is that a heat insulation plate is provided between the exhaust gas heat exchange chamber and the clean gas heat exchange chamber.

[0008] A further improvement is that the heat exchange assembly includes heat exchange tubes and heat exchange fins, the heat exchange tubes are arranged in multiple groups at equal intervals, and the heat exchange fins are arranged on the outside of the heat exchange tubes, and the heat exchange fins are arranged in multiple groups at equal intervals.

[0009] A further improvement is that guide plates are provided inside the exhaust gas heat exchange chamber and the clean gas heat exchange chamber, and multiple groups of guide plates are provided at equal intervals, and the multiple groups of guide plates are staggered.

[0010] A further improvement is that a temperature sensor is provided on the right side of the guide tube, and an electric heater is provided on the left side of the guide tube.

[0011] A further improvement is that the filter part includes a filter tube and a first fan, the first fan is connected to the right side of the filter tube, and a filter screen is provided on the left side inside the filter tube.

[0012] A further improvement is that a desorption exhaust pipe is connected to the left side of the desorption zone, and a second fan is provided on the desorption exhaust pipe, and the desorption exhaust pipe is used to connect to the incinerator.

[0013] The beneficial effects of the utility model are:

[0014] 1. The utility model introduces exhaust gas into the heat exchange component in the exhaust gas heat exchange chamber through the exhaust gas inlet pipe, and discharges the exhaust gas from the conduit through the filter part to the adsorption area for adsorption treatment. The treated clean gas is discharged from the clean gas pipe into the heat exchange component in the clean gas heat exchange chamber and discharged from the outlet pipe. In this process, the desorbed gas is introduced through the desorbed gas inlet pipe, first enters the clean gas heat exchange chamber, and then enters the exhaust gas heat exchange chamber through the connecting pipe, and contacts with the heat exchange components in the two chambers for heat exchange respectively. After heating, it enters the desorption area through the guide pipe to assist in desorption, which is beneficial to saving energy for electric heating, maximizing the utilization of waste heat, and saving costs.

[0015] 2. The utility model arranges staggered guide plates inside the clean gas heat exchange chamber and the exhaust gas heat exchange chamber, so that the desorbed gas can flow in a staggered manner, prolonging the contact time with the heat exchange component and achieving a better heat exchange effect.

[0016] 3. The utility model sets a temperature sensor on the guide pipe for desorption gas discharge to monitor the temperature. When the temperature does not reach the standard for auxiliary desorption, the electric heater is started for auxiliary heating to ensure the normal operation of the overall process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the front view of the utility model;

[0018] Figure 2 This is a schematic diagram of the interior of the heat exchange bin of the utility model;

[0019] Figure 3 It is a schematic diagram of the filter unit of the utility model.

[0020] Wherein: 1. zeolite wheel; 2. heat exchange chamber; 3. adsorption zone; 4. desorption zone; 5. exhaust gas heat exchange chamber; 6. clean gas heat exchange chamber; 7. gas collecting hood; 8. exhaust gas inlet pipe; 9. conduit; 10. clean gas pipe; 11. outlet pipe; 12. desorption gas inlet pipe; 13. guide pipe; 14. connecting pipe; 15. insulation board; 16. heat exchange pipe; 17. heat exchange fins; 18. guide plate; 19. temperature sensor; 20. electric heater; 21. filter tube; 22. first fan; 23. filter screen; 24. desorption discharge pipe; 25. second fan. DETAILED DESCRIPTION

[0021] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with an embodiment. The embodiment is only used to explain the present invention and does not constitute a limitation on the protection scope of the present invention.

[0022] Embodiment 1

[0023] according to Figure 1 , 2 As shown in Figures 3 and 4, this embodiment proposes a novel zeolite wheel adsorption exhaust gas treatment device, comprising a zeolite wheel 1 and a heat exchange chamber 2, wherein the zeolite wheel 1 is provided with an adsorption zone 3 and a desorption zone 4, and both sides of the heat exchange chamber 2 are provided with an exhaust gas heat exchange chamber 5 and a clean gas heat exchange chamber 6, respectively, and the upper and lower ends of the exhaust gas heat exchange chamber 5 and the clean gas heat exchange chamber 6 are provided with gas collecting hoods 7, and a heat exchange component is connected between two groups of the gas collecting hoods 7 at adjacent upper and lower ends;

[0024] An exhaust gas inlet pipe 8 is connected to the air collecting hood 7 at the upper left end, a duct 9 is connected below the air collecting hood 7 at the lower left end, the duct 9 is connected to the left side of the adsorption area 3 through the filter part, a clean air pipe 10 is connected below the air collecting hood 7 at the lower right end, and one end of the clean air pipe 10 is connected to the right side of the adsorption area 3, an outlet pipe 11 is connected to the air collecting hood 7 at the upper right end, a desorption gas inlet pipe 12 is connected to the right side of the clean air heat exchange chamber 6, a guide pipe 13 is connected between the left side of the exhaust gas heat exchange chamber 5 and the right side of the desorption area 4, and a connecting pipe 14 is connected below the exhaust gas heat exchange chamber 5 and the clean air heat exchange chamber 6. When in use, the exhaust gas is introduced into the heat exchange component in the exhaust gas heat exchange chamber 5 through the exhaust gas inlet pipe 8, and is discharged from the conduit 9 through the filter part to reach the adsorption area 3 for adsorption treatment. The treated clean gas is discharged from the clean gas pipe 10 into the heat exchange component in the clean gas heat exchange chamber 6, and is discharged from the outlet pipe 11. In this process, the desorption gas is introduced through the desorption gas inlet pipe 12, first enters the clean gas heat exchange chamber 6 to be preheated by the heat exchange component, and then enters the exhaust gas heat exchange chamber 5 through the connecting pipe 14 to be further heated by the heat exchange component, and after heating, enters the desorption zone 4 through the guide pipe 13 to assist in desorption.

[0025] A heat insulation plate 15 is provided between the exhaust gas heat exchange chamber 5 and the clean gas heat exchange chamber 6 to isolate the heat between the exhaust gas heat exchange chamber 5 and the clean gas heat exchange chamber 6 to prevent the heat of the exhaust gas and the clean gas from affecting each other.

[0026] The heat exchange assembly includes a heat exchange tube 16 and a heat exchange fin 17. The heat exchange tube 16 is provided with multiple groups at equal intervals. The heat exchange fin 17 is provided on the outside of the heat exchange tube 16, and the heat exchange fin 17 is provided with multiple groups at equal intervals. When in use, the exhaust gas and the clean gas pass through the heat exchange tube 16 in their respective cavities, and the desorbed gas passes through from the outside and contacts with the outside of the heat exchange tube 16 and the heat exchange fin 17 for heat exchange.

[0027] The exhaust gas heat exchange chamber 5 and the clean gas heat exchange chamber 6 are both provided with guide plates 18, and multiple groups of guide plates 18 are equidistantly provided, and the multiple groups of guide plates 18 are staggered. When in use, staggered guide plates 18 are provided inside the clean gas heat exchange chamber 6 and the exhaust gas heat exchange chamber 5, so that the desorbed gas circulates staggeredly, prolongs the contact time with the heat exchange component, and achieves a better heat exchange effect.

[0028] A temperature sensor 19 is provided on the right side of the guide tube 13, and an electric heater 20 is provided on the left side of the guide tube 13. When in use, the temperature sensor 19 is provided on the guide tube 13 from which the desorption gas is discharged to monitor the temperature. When the temperature does not reach the standard for auxiliary desorption, the electric heater 20 is started for auxiliary heating to ensure the normal operation of the overall process.

[0029] Embodiment 2

[0030] according to Figure 1 , 2As shown in Figures 3 and 4, this embodiment proposes a novel zeolite wheel adsorption exhaust gas treatment device, comprising a zeolite wheel 1 and a heat exchange chamber 2, wherein the zeolite wheel 1 is provided with an adsorption zone 3 and a desorption zone 4, and both sides of the heat exchange chamber 2 are provided with an exhaust gas heat exchange chamber 5 and a clean gas heat exchange chamber 6, respectively, and the upper and lower ends of the exhaust gas heat exchange chamber 5 and the clean gas heat exchange chamber 6 are provided with gas collecting hoods 7, and a heat exchange component is connected between two groups of the gas collecting hoods 7 at adjacent upper and lower ends;

[0031] An exhaust gas inlet pipe 8 is connected to the air collecting hood 7 at the upper left end, a duct 9 is connected below the air collecting hood 7 at the lower left end, the duct 9 is connected to the left side of the adsorption area 3 through the filter part, a clean air pipe 10 is connected below the air collecting hood 7 at the lower right end, and one end of the clean air pipe 10 is connected to the right side of the adsorption area 3, an outlet pipe 11 is connected to the air collecting hood 7 at the upper right end, a desorption gas inlet pipe 12 is connected to the right side of the clean air heat exchange chamber 6, a guide pipe 13 is connected between the left side of the exhaust gas heat exchange chamber 5 and the right side of the desorption area 4, and a connecting pipe 14 is connected below the exhaust gas heat exchange chamber 5 and the clean air heat exchange chamber 6. When in use, the exhaust gas is introduced into the heat exchange component in the exhaust gas heat exchange chamber 5 through the exhaust gas inlet pipe 8, and is discharged from the conduit 9 through the filter part to reach the adsorption area 3 for adsorption treatment. The treated clean gas is discharged from the clean gas pipe 10 into the heat exchange component in the clean gas heat exchange chamber 6, and is discharged from the outlet pipe 11. In this process, the desorption gas is introduced through the desorption gas inlet pipe 12, first enters the clean gas heat exchange chamber 6 to be preheated by the heat exchange component, and then enters the exhaust gas heat exchange chamber 5 through the connecting pipe 14 to be further heated by the heat exchange component, and after heating, enters the desorption zone 4 through the guide pipe 13 to assist in desorption.

[0032] The filter unit includes a filter tube 21 and a first fan 22, wherein the first fan 22 is connected to the right side of the filter tube 21, and a filter screen 23 is provided on the left side of the filter tube 21. When in use, the first fan 22 provides power, introduces the waste gas into the heat exchange component in the waste gas heat exchange chamber 5 through the waste gas inlet pipe 8, and discharges the waste gas from the conduit 9 through the filter tube 21, and reaches the adsorption area 3 for adsorption treatment after being filtered by the filter screen 23. The treated clean gas is discharged from the clean gas pipe 10 into the heat exchange component in the clean gas heat exchange chamber 6, and is discharged from the outlet pipe 11.

[0033] The left side of the desorption zone 4 is connected with a desorption exhaust pipe 24, and a second fan 25 is provided on the desorption exhaust pipe 24, and the desorption exhaust pipe 24 is used to connect to the incinerator. When in use, the second fan 25 provides power, and the desorption gas is introduced through the desorption gas inlet pipe 12, first entering the clean gas heat exchange chamber 6 to be preheated by the heat exchange component, and then entering the waste gas heat exchange chamber 5 through the connecting pipe 14 to be further heated by the heat exchange component, and after heating, entering the desorption zone 4 through the guide pipe 13 to assist desorption, and then the desorption gas carries the desorbed material through the desorption exhaust pipe 24 to reach the incinerator.

[0034] The novel zeolite wheel adsorption waste gas treatment device introduces waste gas into the heat exchange component in the waste gas heat exchange chamber 5 through the waste gas inlet pipe 8, and discharges it from the conduit 9 through the filter part to the adsorption area 3 for adsorption treatment. The treated clean gas is discharged from the clean gas pipe 10 into the heat exchange component in the clean gas heat exchange chamber 6, and discharged from the outlet pipe 11. In this process, the desorbed gas is introduced through the desorbed gas inlet pipe 12, first enters the clean gas heat exchange chamber 6, and then enters the waste gas heat exchange chamber 5 through the connecting pipe 14, and contacts and exchanges heat with the heat exchange components in the two chambers respectively. After heating, it enters the desorption area 4 through the guide pipe 13 to assist in desorption, which is conducive to saving energy for electric heating, maximizing the use of waste heat, and saving costs. At the same time, this product sets staggered guide plates 18 inside the clean gas heat exchange chamber 6 and the waste gas heat exchange chamber 5, so that the desorbed gas can circulate in an alternating manner, prolonging the contact time with the heat exchange component, so that the heat exchange effect is better. At the same time, this product is provided with a temperature sensor 19 on the guide pipe 13 for desorption gas discharge to monitor the temperature. When the temperature does not reach the standard for auxiliary desorption, the electric heater 20 is started for auxiliary heating to ensure the normal operation of the overall process.

[0035] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A novel zeolite wheel adsorption waste gas treatment device, comprising a zeolite wheel (1) and a heat exchange chamber (2), characterized in that: The zeolite rotor (1) is provided with an adsorption zone (3) and a desorption zone (4), and the heat exchange chamber (2) is provided with an exhaust gas heat exchange chamber (5) and a clean gas heat exchange chamber (6) on both sides thereof, and the exhaust gas heat exchange chamber (5) and the clean gas heat exchange chamber (6) are provided with gas collecting hoods (7) at the upper and lower ends thereof, and a heat exchange component is connected between two groups of the gas collecting hoods (7) at the adjacent upper and lower ends; The gas collecting hood (7) at the upper left end is connected to an exhaust gas inlet pipe (8), the gas collecting hood (7) at the lower left end is connected to a conduit (9), the conduit (9) is connected to the left side of the adsorption zone (3) through a filter, the gas collecting hood (7) at the lower right end is connected to a clean gas pipe (10), and one end of the clean gas pipe (10) is connected to the right side of the adsorption zone (3), the gas collecting hood (7) at the upper right end is connected to an outlet pipe (11), the right side of the clean gas heat exchange chamber (6) is connected to a desorption gas inlet pipe (12), the left side of the exhaust gas heat exchange chamber (5) and the right side of the desorption zone (4) are connected to a guide pipe (13), and a connecting pipe (14) is connected below the exhaust gas heat exchange chamber (5) and the clean gas heat exchange chamber (6).

2. A novel zeolite wheel adsorption waste gas treatment device according to claim 1, characterized in that: A heat insulation plate (15) is provided between the waste gas heat exchange chamber (5) and the clean gas heat exchange chamber (6).

3. A novel zeolite wheel adsorption waste gas treatment device according to claim 2, characterized in that: The heat exchange component comprises a heat exchange tube (16) and heat exchange fins (17), wherein the heat exchange tube (16) is provided in a plurality of groups at equal intervals, and the heat exchange fins (17) are arranged on the outside of the heat exchange tube (16), and the heat exchange fins (17) are provided in a plurality of groups at equal intervals.

4. A novel zeolite wheel adsorption waste gas treatment device according to claim 3, characterized in that: Guide plates (18) are provided inside the exhaust gas heat exchange chamber (5) and the clean gas heat exchange chamber (6), and multiple groups of guide plates (18) are provided at equal intervals, and the multiple groups of guide plates (18) are arranged in a staggered manner.

5. A novel zeolite wheel adsorption waste gas treatment device according to claim 1, characterized in that: A temperature sensor (19) is provided on the right side of the guide tube (13), and an electric heater (20) is provided on the left side of the guide tube (13).

6. A novel zeolite wheel adsorption waste gas treatment device according to claim 1, characterized in that: The filter unit comprises a filter tube (21) and a first fan (22), wherein the first fan (22) is connected to the right side of the filter tube (21), and a filter screen (23) is provided on the left side inside the filter tube (21).

7. The novel zeolite wheel adsorption waste gas treatment device according to claim 1 is characterized by: The left side of the desorption zone (4) is connected to a desorption exhaust pipe (24), and a second fan (25) is provided on the desorption exhaust pipe (24). The desorption exhaust pipe (24) is used to connect to an incinerator.