A dual-rotor multi-working-condition exhaust gas treatment system

Abstract

The utility model discloses a double runner multi -working condition waste gas treatment system, include: primary runner, primary adsorption area entrance and primary cooling area entrance all connect waste gas inlet pipe, the primary cooling area export is connected with the primary desorption area entrance through heating equipment and forms the loop, the primary desorption area export is connected with waste gas treatment equipment, and the primary adsorption area export is connected with the first switching pipeline, and the first switching pipeline includes first branch pipe, first main pipe and switches first branch pipe or first main pipe and conduction's first valve group, secondary runner, secondary adsorption area entrance and secondary cooling area entrance all are connected with first main pipe, and the secondary desorption area export is connected with second switching pipeline, and second switching pipeline includes second branch pipe, second main pipe and switches second branch pipe or second main pipe and conduction's second valve group, and second main pipe is connected with waste gas treatment equipment, and second branch pipe is connected to waste gas inlet pipe, the utility model has can adapt to different working condition, reduce operating energy consumption, improve the advantage of processing effect.

Description

Technical Field

[0001] This application relates to the field of waste gas treatment equipment, specifically to a dual-rotor multi-condition waste gas treatment system. Background Technology

[0002] The zeolite rotor is a rotating wheel filled with adsorbent, divided into three zones: adsorption, desorption, and cooling. Organic waste gas is introduced into the adsorption zone, where organic pollutants are adsorbed, and the gas is purified and discharged. Subsequently, the adsorbent rotates to the desorption zone, where VOCs are desorbed during contact with high-temperature air and flow out with the regeneration air, thus regenerating the adsorbent. The regenerated adsorbent is first cooled in the cooling zone and then rotates back to the adsorption zone for adsorption again. As the rotor rotates, the adsorbent periodically undergoes adsorption, desorption, and cooling to purify the organic waste gas. At the same time, the desorbed VOCs are concentrated to a high concentration with a small air volume, thereby reducing the investment and operating costs of downstream treatment equipment and improving the high-efficiency treatment of VOCs waste gas.

[0003] Traditional single-stage zeolite rotors are inefficient at treating high-concentration and high-volume waste gases. To improve adsorption capacity, two-stage zeolite rotors are connected in series. However, existing two-stage zeolite rotor waste gas treatment systems only target high-concentration waste gases. Low-concentration waste gases also need to be treated by the two-stage zeolite rotors, resulting in energy waste. In addition, when treating high-concentration waste gases, the VOCs desorbed by the second-stage zeolite rotor return to the waste gas inlet, which can easily cause the first-stage zeolite rotor to overload. In this case, the wasteful work continues to return to the second-stage zeolite rotor, and the cycle repeats, resulting in poor treatment effect. Utility Model Content

[0004] Therefore, there is a need to provide a dual-rotor multi-condition exhaust gas treatment system to solve the problem that the existing two-stage rotors indiscriminately treat high-concentration and low-concentration exhaust gases, resulting in high energy consumption and poor treatment effect.

[0005] To achieve the above objectives, the inventors provide a dual-rotor multi-condition exhaust gas treatment system, comprising:

[0006] A primary rotor includes a primary adsorption zone, a primary cooling zone, and a primary desorption zone. The inlets of the primary adsorption zone and the primary cooling zone are both connected to exhaust gas inlet pipes. The outlet of the primary cooling zone is connected to the inlet of the primary desorption zone via a heating device to form a loop. The outlet of the primary desorption zone is connected to exhaust gas treatment equipment. The outlet of the primary adsorption zone is connected to a first switching pipeline, which includes a first branch pipe, a first main pipe, and a first valve group for switching the conduction of the first branch pipe or the first main pipe.

[0007] The secondary rotor includes a secondary adsorption zone, a secondary cooling zone, and a secondary desorption zone. The inlets of the secondary adsorption zone and the secondary cooling zone are both connected to the first main pipe. The outlet of the secondary cooling zone is connected to the inlet of the secondary desorption zone via a heating device to form a loop. The outlet of the secondary desorption zone is connected to a second switching pipeline, which includes a second branch pipe, a second main pipe, and a second valve group for switching the conduction of the second branch pipe or the second main pipe. The second main pipe is connected to the waste gas treatment equipment, and the second branch pipe is connected to the waste gas inlet pipe.

[0008] In some embodiments, the first valve assembly includes a first main valve located at a first main pipe and a first branch valve located at a first branch pipe.

[0009] In some embodiments, the second valve assembly includes a second main valve located at the second main pipe and a second branch valve located at the second branch pipe.

[0010] In some embodiments, both the first valve group and the second valve group are electrically controlled valve groups;

[0011] Also includes:

[0012] A concentration detection module is installed at the exhaust gas inlet pipe to detect the concentration of exhaust gas.

[0013] A control module is connected to a first valve group, a second valve group, and a concentration detection module to receive the concentration from the concentration detection module and control the first and second valve groups.

[0014] In some embodiments, the control module is used to control the first valve group and the second valve group to switch between a first operating condition, a second operating condition, and a third operating condition; the first operating condition is that the first valve group switches to open the first branch pipe and close the first main pipe; the second operating condition is that the first valve group switches to open the first main pipe and close the first branch pipe, and the second valve group switches to open the second branch pipe and close the second main pipe; the third operating condition is that the first valve group switches to open the first main pipe and close the first branch pipe, and the second valve group switches to open the second main pipe and close the second branch pipe.

[0015] In some embodiments, the waste gas treatment equipment is an RTO, RCO, CO, or TO.

[0016] In some embodiments, the heating device is a heater or a heat exchanger.

[0017] In some embodiments, it also includes:

[0018] The first desorption fan is connected to the outlet of the primary desorption zone and the waste gas treatment equipment.

[0019] In some embodiments, it also includes:

[0020] The second desorption fan is connected to the outlet of the secondary desorption zone and the second switching pipeline.

[0021] In some embodiments, it also includes:

[0022] An exhaust fan is provided, with its inlet connected to the first branch pipe and the outlet of the secondary adsorption zone, and its outlet connected to the exhaust chimney.

[0023] Unlike existing technologies, the dual-rotor multi-condition exhaust gas treatment system described in the above technical solution has a first switching pipeline connected to the outlet of the primary adsorption zone of the primary rotor. This first switching pipeline includes a first branch pipe, a first main pipe, and a first valve group that switches the operation of either the first branch pipe or the first main pipe. The inlets of the secondary adsorption zone and the secondary cooling zone of the secondary rotor are both connected to the first main pipe. This allows the first switching pipeline to be switched via the first valve group when the exhaust gas concentration is low, closing the first main pipe and opening the first branch pipe, enabling only the primary rotor to operate while the secondary rotor suspends operation, thus reducing energy consumption. The outlet of the secondary desorption zone of the secondary rotor is connected to a second switching pipeline, which includes… The system comprises a second branch pipe, a second main pipe, and a second valve group that switches between the second branch pipe and the second main pipe. The second main pipe is connected to the waste gas treatment equipment, and the second branch pipe is connected to the waste gas inlet pipe. This allows the system to switch the second switching pipeline via the second valve group when the waste gas concentration is moderate, opening the second branch pipe and closing the second main pipe. The VOCs desorbed by the secondary rotor return to the waste gas inlet pipe, enriching the waste gas. When the waste gas concentration is high, the second switching pipeline is also switched via the second valve group, closing the second branch pipe and opening the second main pipe. The VOCs desorbed by the secondary rotor are sufficiently concentrated for direct treatment by the waste gas treatment equipment, preventing the primary rotor from overloading and wasting energy, thus improving the treatment effect. Therefore, the dual-rotor multi-condition waste gas treatment system can switch between multiple transport paths for waste gas and desorbed VOCs to adapt to different waste gas concentrations, effectively reducing system energy consumption and improving treatment efficiency.

[0024] The above description of the utility model is merely an overview of the technical solution of this application. In order to enable those skilled in the art to better understand the technical solution of this application and to implement it based on the description and drawings, and to make the above-mentioned objectives and other objectives, features and advantages of this application easier to understand, the following description is provided in conjunction with the specific embodiments and drawings of this application. Attached Figure Description

[0025] The accompanying drawings are only used to illustrate the principles, implementation methods, applications, features, and effects of specific embodiments of this application and other related content, and should not be considered as limitations on this application.

[0026] In the accompanying drawings of the instruction manual:

[0027] Figure 1 This is a connection diagram of the dual-rotor multi-condition exhaust gas treatment system described in a specific implementation method;

[0028] The reference numerals used in the above figures are explained as follows:

[0029] 1. First-stage rotor;

[0030] 100. Primary adsorption zone;

[0031] 101. Primary cooling zone;

[0032] 102. Primary desorption zone;

[0033] 2. Exhaust gas inlet pipe;

[0034] 3. Heating equipment;

[0035] 4. First branch pipe;

[0036] 5. First supervisor;

[0037] 6. First main valve;

[0038] 7. First valve;

[0039] 8. Secondary rotor;

[0040] 800, secondary adsorption zone;

[0041] 801, Secondary Cooling Zone;

[0042] 802, Secondary Desorption Zone;

[0043] 9. Second branch pipe;

[0044] 10. Second Supervisor;

[0045] 11. Second main valve;

[0046] 12. Second branch valve;

[0047] 13. Waste gas treatment equipment;

[0048] 14. First desorption fan;

[0049] 15. Second desorption fan;

[0050] 16. Exhaust fan;

[0051] 17. Exhaust chimney;

[0052] 18. Waste gas pretreatment equipment. Detailed Implementation

[0053] To illustrate the possible application scenarios, technical principles, implementable specific solutions, and achievable objectives and effects of this application in detail, the following description, in conjunction with the listed specific embodiments and accompanying drawings, provides a detailed explanation. The embodiments described herein are merely illustrative of the technical solutions of this application and are therefore intended to limit the scope of protection of this application.

[0054] In this document, the term "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The term "embodiment" appearing in various places throughout the specification does not necessarily refer to the same embodiment, nor does it specifically limit its independence or connection with other embodiments. In principle, in this application, as long as there are no technical contradictions or conflicts, the technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.

[0055] Unless otherwise defined, the technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the use of related terms herein is merely for the purpose of describing particular embodiments and is not intended to limit this application.

[0056] In the description of this application, the term "and / or" is used to describe the logical relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A exists, B exists, and A and B exist simultaneously. Additionally, the character " / " in this document generally indicates that the preceding and following objects have an "or" logical relationship.

[0057] In this application, terms such as “first” and “second” are used only to distinguish one entity or operation from another, and do not necessarily require or imply any actual quantity, hierarchy or order relationship between these entities or operations.

[0058] Unless otherwise specified, the use of terms such as “comprising,” “including,” “having,” or other similar expressions in this application is intended to cover non-exclusive inclusion, which does not exclude the presence of additional elements in a process, method, or product that includes the stated elements, such that a process, method, or product that includes a list of elements may include not only those defined elements but also other elements not expressly listed, or elements inherent to such a process, method, or product.

[0059] As understood in the Examination Guidelines, in this application, expressions such as "greater than," "less than," and "exceeding" are understood to exclude the stated number; expressions such as "above," "below," and "within" are understood to include the stated number. Furthermore, in the description of the embodiments in this application, "multiple" means two or more (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups" and "multiple times," unless otherwise explicitly specified.

[0060] In the description of the embodiments of this application, the space-related expressions used, such as "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," indicate the orientation or positional relationship based on the orientation or positional relationship shown in the specific embodiments or drawings. They are only for the purpose of describing the specific embodiments of this application or for the reader's understanding, and do not indicate or imply that the device or component referred to must have a specific position, a specific orientation, or be constructed or operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0061] Unless otherwise expressly specified or limited, the terms "installation," "connection," "linking," "fixing," and "setting," as used in the description of the embodiments of this application, should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two components or the interaction between two components. For those skilled in the art to which this application pertains, the specific meaning of the above terms in the embodiments of this application can be understood according to the specific circumstances.

[0062] The zeolite rotor is a rotating wheel filled with adsorbent, divided into three zones: adsorption, desorption, and cooling. Organic waste gas is introduced into the adsorption zone, where organic pollutants are adsorbed, and the gas is purified and discharged. Subsequently, the adsorbent rotates to the desorption zone, where VOCs are desorbed during contact with high-temperature air and flow out with the regeneration air, thus regenerating the adsorbent. The regenerated adsorbent is first cooled in the cooling zone and then rotates back to the adsorption zone for adsorption again. As the rotor rotates, the adsorbent periodically undergoes adsorption, desorption, and cooling to purify the organic waste gas. At the same time, the desorbed VOCs are concentrated to a high concentration with a small air volume, thereby reducing the investment and operating costs of downstream treatment equipment and improving the high-efficiency treatment of VOCs waste gas.

[0063] Traditional single-stage zeolite rotors are inefficient at treating high-concentration and high-volume waste gases. To improve adsorption capacity, two-stage zeolite rotors are connected in series. However, existing two-stage zeolite rotor waste gas treatment systems only target high-concentration waste gases. Low-concentration waste gases also need to be treated by the two-stage zeolite rotors, resulting in energy waste. In addition, when treating high-concentration waste gases, the VOCs desorbed by the second-stage zeolite rotor return to the waste gas inlet, which can easily cause the first-stage zeolite rotor to overload. In this case, the wasteful work continues to return to the second-stage zeolite rotor, and the cycle repeats, resulting in poor treatment effect.

[0064] Therefore, this utility model provides a dual-rotor multi-condition exhaust gas treatment system for treating organic waste gas. In particular, it can switch between different exhaust gas conveying paths and different VOCs desorption conveying paths to adapt to different exhaust gas concentrations, effectively reducing system energy consumption and improving treatment effect.

[0065] Please see Figure 1 In a specific embodiment, the dual-rotor multi-condition exhaust gas treatment system includes a primary rotor 1 and a secondary rotor 8, both of which are zeolite rotors.

[0066] The primary rotor 1 includes a primary adsorption zone 100, a primary cooling zone 101, and a primary desorption zone 102. The primary adsorption zone 100, primary cooling zone 101, and primary desorption zone 102 are fan-shaped airflow channels sequentially divided along the rotation direction of the primary rotor 1. The inlets of the primary adsorption zone 100 and the primary cooling zone 101 are both connected to the exhaust gas inlet pipe 2. The outlet of the primary cooling zone 101 is connected to the inlet of the primary desorption zone 102 via a heating device 3 to form a loop. The outlet of the primary desorption zone 102 is connected to the exhaust gas treatment device 13. The outlet of the primary adsorption zone 100 is connected to a first switching pipeline, which includes a first branch pipe 4, a first main pipe 5, and a switching... The first valve group is connected by the first branch pipe 4 or the first main pipe 5; the secondary rotor 8 includes a secondary adsorption zone 800, a secondary cooling zone 801, and a secondary desorption zone 802; the inlet of the secondary adsorption zone 800 and the inlet of the secondary cooling zone 801 are both connected to the first main pipe 5; the outlet of the secondary cooling zone 801 is connected to the inlet of the secondary desorption zone 802 through the heating device 3 to form a loop; the outlet of the secondary desorption zone 802 is connected to a second switching pipeline, the second switching pipeline includes a second branch pipe 9, a second main pipe 10, and a second valve group that switches the conduction of the second branch pipe 9 or the second main pipe 10; the second main pipe 10 is connected to the waste gas treatment device 13, and the second branch pipe 9 is connected to the waste gas inlet pipe 2.

[0067] Since the outlet of the primary adsorption zone 100 of the primary rotor 1 is connected to the first switching pipeline, and the first switching pipeline includes the first branch pipe 4, the first main pipe 5, and the first valve group that switches the conduction of the first branch pipe 4 or the first main pipe 5, the inlet of the secondary adsorption zone 800 and the inlet of the secondary cooling zone 801 of the secondary rotor 8 are both connected to the first main pipe 5. Thus, when the exhaust gas concentration is low, the first switching pipeline can be switched by the first valve group, so that the first main pipe 5 is closed and the first branch pipe 4 is open, and only the primary rotor 1 operates, while the secondary rotor stops operating, thereby reducing energy consumption.

[0068] Because the outlet of the secondary desorption zone 802 of the secondary rotor 8 is connected to a second switching pipeline, which includes a second branch pipe 9, a second main pipe 10, and a second valve group that switches the conduction of the second branch pipe 9 or the second main pipe 10, the second main pipe 10 is connected to the waste gas treatment equipment 13, and the second branch pipe 9 is connected to the waste gas inlet pipe 2, the second switching pipeline can be switched through the second valve group when the waste gas concentration is moderate, so that the second branch pipe 9 is open and the second main pipe 10 is closed, and the VOCs desorbed by the secondary rotor 8 return to the waste gas inlet pipe 2, which plays a role in enriching the waste gas; when the waste gas concentration is high, the second switching pipeline can be switched through the second valve group, so that the second branch pipe 9 is closed and the second main pipe 10 is open, and the concentration of VOCs desorbed by the secondary rotor 8 is high enough to be directly treated by the waste gas treatment equipment 13, avoiding the primary rotor 1 from being overloaded and doing useless work, thus improving the treatment effect.

[0069] Therefore, the dual-rotor multi-condition exhaust gas treatment system can switch between multiple transport paths for exhaust gas and desorbed VOCs to adapt to different exhaust gas concentrations, effectively reducing system energy consumption and improving treatment performance.

[0070] In some embodiments, the first valve group includes a three-way reversing valve, and the first branch pipe 4 and the first main pipe 5 are both connected to the three-way reversing valve, thereby switching the direction of exhaust gas delivery through the three-way reversing valve.

[0071] In other embodiments, the first valve group includes a first main valve 6 located at the first main pipe 5 and a first branch valve 7 located at the first branch pipe 4.

[0072] Similarly, the second valve group includes a three-way directional valve, and the second branch pipe 9 and the second main pipe 10 are both connected to the three-way directional valve, which switches the direction of desorbed VOCs delivery.

[0073] In other embodiments, the second valve group includes a second main valve 11 located at the second main pipe 10 and a second branch valve 12 located at the second branch pipe 9.

[0074] In some embodiments, the first valve group and the second valve group are manual valves. By manually adjusting the first valve group and the second valve group, the exhaust gas delivery path and the desorbed VOCs delivery path can be adjusted to meet different exhaust gas concentrations.

[0075] In some embodiments, the first valve group and the second valve group are both electrically controlled valve groups; it also includes a concentration detection module and a control module. The concentration detection module is located at the exhaust gas inlet pipe 2 to detect the exhaust gas concentration; the control module is connected to the first valve group, the second valve group, and the concentration detection module to receive the concentration from the concentration detection module and control the first valve group and the second valve group. In real-time application, the control module can control the first valve group and the second valve group according to different exhaust gas concentrations.

[0076] In some embodiments, the control module is used to control the first valve group and the second valve group to switch between a first operating condition, a second operating condition, and a third operating condition; the first operating condition is that the first valve group switches to connect the first branch pipe 4 and close the first main pipe 5; the second operating condition is that the first valve group switches to connect the first main pipe 5 and close the first branch pipe 4, and the second valve group switches to connect the second branch pipe 9 and close the second main pipe 10; the third operating condition is that the first valve group switches to connect the first main pipe 5 and close the first branch pipe 4, and the second valve group switches to connect the second main pipe 10 and close the second branch pipe 9.

[0077] The first operating condition is suitable for situations with low exhaust gas concentration, using a single-stage rotor operation, i.e., the first-stage rotor 1 is in operation. The exhaust gas is purified by adsorption before being discharged, reducing unnecessary energy consumption of the system. The second operating condition is suitable for situations with moderate exhaust gas concentration, using a two-stage rotor operation, i.e., both the first-stage rotor 1 and the second-stage rotor 8 are in operation. The exhaust gas is purified by adsorption through the first-stage rotor 1 and the second-stage rotor 8 in sequence before being discharged, improving adsorption efficiency. The VOCs desorbed by the first-stage rotor 1 go to the downstream exhaust gas treatment device 13, while the VOCs desorbed by the second-stage rotor 8 return to the exhaust gas inlet pipe 2, playing a role in enriching the exhaust gas. The third operating condition is suitable for situations with high exhaust gas concentration, using a two-stage rotor operation, i.e., both the first-stage rotor 1 and the second-stage rotor 8 are in operation. The exhaust gas is purified by adsorption through the first-stage rotor 1 and the second-stage rotor 8 in sequence before being discharged. At this time, the VOCs desorbed by the second-stage rotor 8 are high enough that they do not return to the exhaust gas inlet pipe 2. The VOCs desorbed by the first-stage rotor 1 and the second-stage rotor 8 both go to the downstream exhaust gas treatment device 13.

[0078] In some embodiments,

[0079] When the concentration is below 300mg / m3, the first operating condition is started: the single-stage impeller is turned on, the air intake of the second-stage impeller 8 is cut off through the first valve group, and the first-stage impeller 1, after adsorption and purification, enters the chimney through the first branch pipe 4.

[0080] When the concentration is below 500-1000 mg / m3, the second operating condition is started: the dual-stage rotor is turned on, and the first-stage desorption zone 102 desorbs and then goes to the back-end waste gas treatment equipment 13; the second-stage desorption zone 802 desorbs and then returns to the waste gas inlet pipe 2 in front of the first-stage rotor 1, which plays a role in enriching the waste gas.

[0081] When the concentration is above 1500 mg / m3, the third operating mode is activated: the dual-stage rotor is turned on, and the desorbed gases from the primary desorption zone 102 and the secondary desorption zone 802 are all sent to the downstream waste gas treatment equipment 13.

[0082] In some embodiments, the concentration detection module is a concentration detection sensor.

[0083] In some embodiments, the control module includes a controller and a memory, the controller controls the first valve group and the second valve group, and the detection data of the concentration detection module is stored in the memory.

[0084] In some embodiments, the waste gas treatment device 13 is an oxidation device.

[0085] In some embodiments, the waste gas treatment device 13 is an RTO, RCO, CO, or TO.

[0086] Among them, the RTO (Regenerative Thermal Oxidizer) is a regenerative oxidation device that heats organic waste gas to above 760℃, causing the volatile organic compounds in the waste gas to be oxidized and decomposed into CO2 and H2O in the combustion chamber. The high-temperature gas produced by oxidation flows through a specially designed ceramic heat storage body, causing the ceramic body to heat up and "store heat." This stored heat is used to preheat the organic waste gas that enters later, thereby saving fuel consumption for heating the waste gas. The purification efficiency is as high as 99%, and the heat recovery efficiency is as high as 95%.

[0087] RCO (Regenerative Catalytic Oxidizer) is a regenerative catalytic oxidation device that combines RTO (Regenerative Thermal Oxidation) and CO (Copper Oxidation) technologies. It heats organic waste gas to 300℃, causing volatile organic compounds in the waste gas to oxidize and decompose into CO2 and H2O on a catalyst. The high-temperature gas produced by oxidation flows through a specially designed ceramic heat storage body, causing the ceramic body to heat up and "store heat." This stored heat is used to preheat subsequently entering organic waste gas, thus saving fuel consumption for heating the waste gas. The purification efficiency is as high as 98%, and the heat recovery efficiency is as high as 95%.

[0088] CO (Catalytic Oxidizer) is a catalytic combustion device that enables the oxidative decomposition of volatile organic compounds on a catalyst at relatively low temperatures (300~500℃) to produce CO2 and H2O. It is an energy-efficient and highly effective waste gas treatment technology. With the help of a catalyst, organic waste gas can undergo flameless combustion at a relatively low ignition temperature, oxidizing and decomposing into CO2 and H2O while releasing a large amount of heat. The heat exchange efficiency is generally 50~60%, and the purification efficiency is as high as 98%, depending on the catalyst.

[0089] A thermal oxidizer (TO) is a direct-fired incinerator that uses the heat generated by the combustion of auxiliary fuel to raise the temperature of combustible and harmful gases to the reaction temperature, thereby causing oxidative decomposition. The organic mixed waste gas is directly fed into the incinerator by an induced draft fan. The organic mixed waste gas first enters a heat exchanger for preheating, and then enters the furnace. Under the high temperature (680-760℃) of the burner flame, the mixed gas decomposes into CO2 and H2O.

[0090] In some embodiments, the heating device 3 is a heater or a heat exchanger.

[0091] In some embodiments, a first desorption fan 14 is also included, which is connected to the outlet of the primary desorption zone 102 and the waste gas treatment equipment 13.

[0092] In some embodiments, a second desorption fan 15 is also included, which is connected to the outlet of the secondary desorption zone 802 and the second switching pipeline.

[0093] In some embodiments, the system further includes an exhaust fan 16, the air inlet of which is connected to the first branch pipe 4 and the outlet of the secondary adsorption zone 800, and the air outlet of the exhaust pipe is connected to the exhaust chimney 17.

[0094] In some embodiments, the system further includes an exhaust gas pretreatment device 18, which is connected to an exhaust gas inlet pipe. After being treated by the exhaust gas pretreatment device 18, the exhaust gas is transported through the exhaust gas inlet pipe to the primary adsorption zone of the primary rotor.

[0095] The exhaust gas pretreatment device 18 includes a filter to pre-filter particulate impurities in the exhaust gas.

[0096] Finally, it should be noted that although the above embodiments have been described in the text and drawings of this application, this should not limit the scope of patent protection of this application. Any technical solutions that are based on the essential concept of this application and utilize the content described in the text and drawings of this application, resulting in equivalent structural or procedural substitutions or modifications, as well as the direct or indirect application of the technical solutions of the above embodiments to other related technical fields, are all included within the scope of patent protection of this application.

Claims

1. A dual-rotor multi-condition exhaust gas treatment system, characterized in that, include: A primary rotor includes a primary adsorption zone, a primary cooling zone, and a primary desorption zone. The inlets of the primary adsorption zone and the primary cooling zone are both connected to exhaust gas inlet pipes. The outlet of the primary cooling zone is connected to the inlet of the primary desorption zone via a heating device to form a loop. The outlet of the primary desorption zone is connected to exhaust gas treatment equipment. The outlet of the primary adsorption zone is connected to a first switching pipeline, which includes a first branch pipe, a first main pipe, and a first valve group for switching the conduction of the first branch pipe or the first main pipe. The secondary rotor includes a secondary adsorption zone, a secondary cooling zone, and a secondary desorption zone. The inlets of the secondary adsorption zone and the secondary cooling zone are both connected to the first main pipe. The outlet of the secondary cooling zone is connected to the inlet of the secondary desorption zone via a heating device to form a loop. The outlet of the secondary desorption zone is connected to a second switching pipeline, which includes a second branch pipe, a second main pipe, and a second valve group for switching the conduction of the second branch pipe or the second main pipe. The second main pipe is connected to the waste gas treatment equipment, and the second branch pipe is connected to the waste gas inlet pipe.

2. The dual-rotor multi-condition exhaust gas treatment system according to claim 1, characterized in that, The first valve group includes a first main valve located at the first main pipe and a first branch valve located at the first branch pipe.

3. The dual-rotor multi-condition exhaust gas treatment system according to claim 1, characterized in that, The second valve assembly includes a second main valve located at the second main pipe and a second branch valve located at the second branch pipe.

4. The dual-rotor multi-condition exhaust gas treatment system according to any one of claims 1-3, characterized in that, Both the first valve group and the second valve group are electrically controlled valve groups; Also includes: A concentration detection module is installed at the exhaust gas inlet pipe to detect the concentration of exhaust gas. A control module is connected to a first valve group, a second valve group, and a concentration detection module to receive the concentration from the concentration detection module and control the first and second valve groups.

5. The dual-rotor multi-condition exhaust gas treatment system according to claim 4, characterized in that, The control module is used to control the first valve group and the second valve group to switch between the first operating condition, the second operating condition, and the third operating condition; the first operating condition is that the first valve group switches to open the first branch pipe and close the first main pipe; the second operating condition is that the first valve group switches to open the first main pipe and close the first branch pipe, and the second valve group switches to open the second branch pipe and close the second main pipe; the third operating condition is that the first valve group switches to open the first main pipe and close the first branch pipe, and the second valve group switches to open the second main pipe and close the second branch pipe.

6. The dual-rotor multi-condition exhaust gas treatment system according to claim 1, characterized in that, The waste gas treatment equipment is RTO, RCO, CO, or TO.

7. The dual-rotor multi-condition exhaust gas treatment system according to claim 1, characterized in that, The heating device is a heater or a heat exchanger.

8. The dual-rotor multi-condition exhaust gas treatment system according to claim 1, characterized in that, Also includes: The first desorption fan is connected to the outlet of the primary desorption zone and the waste gas treatment equipment.

9. The dual-rotor multi-condition exhaust gas treatment system according to claim 1, characterized in that, Also includes: The second desorption fan is connected to the outlet of the secondary desorption zone and the second switching pipeline.

10. The dual-rotor multi-condition exhaust gas treatment system according to claim 1, characterized in that, Also includes: An exhaust fan is provided, with its inlet connected to the first branch pipe and the outlet of the secondary adsorption zone, and its outlet connected to the exhaust chimney.

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