Gas collection and treatment system
By introducing a condensation module and an activated carbon adsorption module into the gas collection and treatment system, the problems of high cost and environmental pollution in existing technologies are solved, and efficient and safe gas treatment is achieved.
Patent Information
- Application Number
- CN202423136838.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-18
AI Technical Summary
In existing factory gas collection and treatment systems, regenerative thermal incinerators have high investment costs, require natural gas during operation, and suffer from incomplete combustion, leading to environmental pollution and resource waste.
The gas collection and treatment system employs a condensation module and an activated carbon adsorption module. The condensation module pre-treats the gas, separates gases that are not easily adsorbed by the activated carbon, reduces the load on the activated carbon, and extends its service life. The central control module regulates the refrigerant flow to improve treatment efficiency and safety.
It improves gas treatment capacity and efficiency, reduces activated carbon load, extends activated carbon lifespan, reduces energy consumption and costs, and enhances the safety of gas treatment.
Smart Images
Figure CN223555763U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to gas treatment technical field especially relates to gas collection and processing system. BACKGROUND
[0002] At present, the gas collection and processing in the factory mainly adopts the regenerative thermal oxidizer (RTO) mode. The mode has high investment cost in the early stage, needs natural gas in the later running period, and needs to reach a certain concentration to realize the normal incineration process, wastes the natural gas and does not burn fully, and causes secondary pollution to the environment. SUMMARY
[0003] The utility model discloses a gas collection and processing system, can solve at least one of the above technical problems.
[0004] According to one aspect of the utility model, provide gas collection and processing system, include: central control module, condensing module and activated carbon adsorption module, the condensing module includes the condensing device of not less than 2 in quantity, the refrigerant inlet of each condensing device is provided with a flow regulating valve, is used for adjusting the refrigerant flow of entering the condensing device, the gas outlet of condensing module is connected with the gas inlet of activated carbon adsorption module, the activated carbon adsorption module includes the activated carbon adsorption device of not less than 2 in quantity, each activated carbon adsorption device is connected with a gas concentration detector, is used for detecting the concentration of toxic gas and combustible gas in activated carbon adsorption device;Central control module is electrically connected with condensing module and activated carbon adsorption module respectively, is used for controlling the working state of condensing module and activated carbon adsorption module.
[0005] In some embodiments, the condensing module includes a first condensing device, a second condensing device, …, and an n-th condensing device, n is a natural number not less than 2, the gas inlet of the first condensing device serves as the gas inlet of the condensing module for the gas to be treated to enter, the gas inlet of each condensing device from the second condensing device to the n-th condensing device is connected to the gas outlet of the previous condensing device, and the gas outlet of the n-th condensing device serves as the gas outlet of the condensing module and is connected to the gas inlet of the activated carbon adsorption module.
[0006] In some embodiments, each condensing device is connected to a differential pressure liquid level meter, the differential pressure liquid level meter is used to measure the liquid level in the condensing device, and each differential pressure liquid level meter is electrically connected to the central control module.
[0007] In some embodiments, a first on-off valve is arranged on the liquid discharge pipeline of each condensing device, and each first on-off valve is electrically connected to the central control module.
[0008] In some embodiments, the condensing device is a capillary condenser.
[0009] In some embodiments, the capillary condenser adopts a 4mm inner diameter copper tube.
[0010] In some embodiments, the activated carbon adsorption module comprises a first activated carbon adsorption device, …, and an mth activated carbon adsorption device, m is a natural number not less than 2, the gas inlet of the first activated carbon adsorption device is connected to the gas outlet of the condensation module as the gas inlet of the activated carbon adsorption module, and the gas inlet of each activated carbon adsorption device from the second activated carbon adsorption device to the mth activated carbon adsorption device is connected to the gas outlet of the previous activated carbon adsorption device.
[0011] In some embodiments, a second switch valve is arranged on the gas inlet of the second activated carbon adsorption device, …, and the mth activated carbon adsorption device, and each second switch valve is electrically connected to the central control module.
[0012] In some embodiments, a third switch valve is arranged on the exhaust pipe of each activated carbon adsorption device, and each third switch valve is electrically connected to the central control module.
[0013] In some embodiments, the central control module is a PLC controller.
[0014] The gas collection and treatment system provided by the utility model, through setting condensation module, make the gas that is not easy to be adsorbed by activated carbon can be condensed before entering activated carbon adsorption module, separate with other adsorbable gas, improve the ability and efficiency of gas treatment, reduce activated carbon load, prolong the service life of activated carbon, improve the safety of gas treatment.
[0015] In addition, in the technical scheme of the utility model, any part not specially described can be realized by adopting conventional means in the art. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the specific embodiments of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0017] Figure 1 It is a structural schematic diagram of the gas collection and treatment system of one embodiment of the utility model. DETAILED DESCRIPTION
[0018] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are part of the examples of the utility model, rather than all examples, which are used to explain the utility model, and are not used to limit the utility model. Based on the examples in the utility model, all other examples obtained by those skilled in the art without creative labor are within the scope of protection of the utility model.
[0019] In the description of the utility model, it should be pointed out that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "two ends", "two sides", "bottom", "top" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated elements must have a particular orientation or be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "superior", "inferior", "main", "secondary" and the like are only for the purpose of description, and can be simply used to distinguish different components more clearly, and cannot be understood as indicating or implying relative importance.
[0020] In the description of the utility model, it should be pointed out that unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, can also be detachable connection, can also be integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0021] Referring to the drawings Figure 1 As shown in the drawings, the gas collection and treatment system according to the utility model is schematically shown, which comprises a central control module 1, a condensation module and an activated carbon adsorption module, the central control module 1 is electrically connected with the condensation module and the activated carbon adsorption module respectively, the condensation module comprises not less than 2 condensation devices, and the activated carbon adsorption module comprises not less than 2 activated carbon adsorption devices.
[0022] The condensing module comprises a first condensing device, a second condensing device, …, and an nth condensing device, n is a natural number not less than 2, the gas inlet of the first condensing device is used as the gas inlet of the condensing module, and the gas to be treated enters; the gas inlet of each of the second condensing device to the nth condensing device is connected to the gas outlet of the previous condensing device; and the gas outlet of the nth condensing device is connected to the gas inlet of the activated carbon adsorption module.
[0023] The activated carbon adsorption module comprises a first activated carbon adsorption device, …, and an mth activated carbon adsorption device, m is a natural number not less than 2, the gas inlet of the first activated carbon adsorption device is connected to the gas outlet of the condensing module, and the gas inlet of each of the second activated carbon adsorption device to the mth activated carbon adsorption device is connected to the gas outlet of the previous activated carbon adsorption device.
[0024] In the embodiment, the values of m and n are both 2.
[0025] The condensing module comprises a first condensing device 21 and a second condensing device 22.
[0026] The gas inlet of the first condensing device 21 is used as the gas inlet of the condensing module and the gas inlet of the entire gas collection and treatment system, and the gas to be treated enters the gas collection and treatment system from the first condensing device 21.
[0027] A flow regulating valve is arranged at the refrigerant inlet of each condensing device, specifically, a flow regulating valve FV001 is arranged at the refrigerant inlet of the first condensing device 21, and a flow regulating valve FV002 is arranged at the refrigerant inlet of the second condensing device 22; the flow regulating valve FV001 and the flow regulating valve FV002 are both electrically connected to the central control module 1, and are respectively used for controlling the flow of the refrigerant entering the first condensing device 21 and the second condensing device 22.
[0028] Each condensing device is connected to a differential pressure liquid level meter, and a first on-off valve is arranged on the liquid discharge pipeline of each condensing device.
[0029] Specifically, the first condensing device 21 is connected with a differential pressure liquid level meter LT001, and the second condensing device 22 is connected with a differential pressure liquid level meter LT002. The differential pressure liquid level meters are used to measure the liquid level in the condensing devices, and each differential pressure liquid level meter is electrically connected with the central control module 1. A first on-off valve XV004 is arranged on the liquid discharge pipeline of the first condensing device 21, and a first on-off valve XV005 is arranged on the liquid discharge pipeline of the second condensing device 22. Each first on-off valve is electrically connected with the central control module 1. The differential pressure liquid level meter detects the liquid level value in the corresponding condensing device in real time and sends it to the central control module 1. The central control module 1 compares the received liquid level value with a preset liquid level value. When the liquid level value detected by the differential pressure liquid level meter is not less than the preset liquid level value, the first on-off valve on the condensing device corresponding to the differential pressure liquid level meter is opened to discharge the liquid in the condensing device. When the liquid level value detected by the differential pressure liquid level meter is less than the preset liquid level value, the first on-off valve on the condensing device corresponding to the differential pressure liquid level meter is closed.
[0030] The gas outlet of the first condensing device 21 and the gas inlet of the second condensing device 22 are connected by a pipeline. The gas outlet of the second condensing device 22 is connected with the gas inlet of the activated carbon adsorption module as the gas outlet of the condensing module.
[0031] In an optional embodiment, the condensing device can be a capillary condenser. A copper pipe with an inner diameter of 4 mm can be used in the capillary condenser. Thus, the condensing device has good heat transfer effect, and the capillary condenser has the characteristics of small volume and large area, which ensures sufficient exchange and utilization of energy.
[0032] The activated carbon adsorption module includes a first activated carbon adsorption device 31 and a second activated carbon adsorption device 32.
[0033] Each activated carbon adsorption device is provided with a gas concentration detector. The first activated carbon adsorption device 31 is provided with a gas concentration detector LFL001, and the second activated carbon adsorption device 32 is provided with a gas concentration detector LFL002. The gas concentration detector LFL001 and the gas concentration detector LFL002 are used to detect the concentration of toxic gas and flammable gas in the corresponding activated carbon adsorption device. The gas concentration detector LFL001 and the gas concentration detector LFL002 are respectively electrically connected with the central control module 1.
[0034] The gas concentration detector LFL001 and the gas concentration detector LFL002 can be existing gas concentration detectors. According to the actual application scene of the gas collection and treatment system, the type and concentration of gases that can be detected by the gas concentration detector are selected.
[0035] The second switch valve is electrically connected with the central control module. Specifically, the gas outlet of the first activated carbon adsorption device 31 and the gas inlet of the second activated carbon adsorption device 32 are connected through the second switch valve XV002, and the second switch valve XV002 is electrically connected with the central control module 1.
[0036] Each activated carbon adsorption device is provided with an exhaust pipe for exhausting gas in the activated carbon adsorption device to the atmosphere, and each activated carbon adsorption device is provided with a third switch valve, and each third switch valve is electrically connected with the central control module.
[0037] Specifically, the third switch valve XV001 is arranged on the exhaust pipe of the first activated carbon adsorption device 31, and the third switch valve XV003 is arranged on the exhaust pipe of the second activated carbon adsorption device 32.
[0038] In an optional embodiment, the central control module 1 can be a PLC controller.
[0039] When the gas collection and treatment system is running, the gas concentration detector LFL001 detects the concentration of toxic gas and combustible gas in the first activated carbon adsorption device 31 and sends the data to the central control module 1, and the central control module 1 divides the data detected by the gas concentration detector LFL001 into condensation treatment gas and adsorption treatment gas.
[0040] The central control module 1 compares the condensation treatment gas concentration detected by the gas concentration detector LFL001 with the predetermined first concentration, compares the adsorption treatment gas concentration detected by the gas concentration detector LFL001 with the predetermined second concentration, and if the condensation treatment gas concentration detected by the gas concentration detector LFL001 is less than the predetermined first concentration and the adsorption treatment gas concentration detected by the gas concentration detector LFL001 is less than the predetermined second concentration, it indicates that the condensation module does not need to be started at present, and the current gas meets the discharge condition, so keep other switch valves closed, open the third switch valve XV001, so that the treated gas can be discharged to the atmosphere, if the condensation treatment gas concentration detected by the gas concentration detector LFL001 is less than the predetermined first concentration, but the adsorption treatment gas concentration detected by the gas concentration detector LFL001 is not less than the predetermined second concentration, it indicates that the condensation module does not need to be started at present, but the gas still needs to be adsorbed, at this time the condensation module is closed, the third switch valve XV001 is closed, and the second switch valve XV002 is opened, so that the gas enters the second activated carbon adsorption device, at this time the central control module 1 compares the adsorption treatment gas concentration detected by the gas concentration detector LFL002 with the predetermined second concentration, if the adsorption treatment gas concentration detected by the gas concentration detector LFL002 is less than the predetermined second concentration, the third switch valve XV003 is opened, and the gas in the second activated carbon adsorption device is discharged to the atmosphere, if the adsorption treatment gas concentration detected by the gas concentration detector LFL002 is not less than the predetermined second concentration, the subsequent activated carbon adsorption device is continuously opened until the adsorption treatment gas concentration detected by the gas concentration detector is less than the predetermined second concentration, and the switch valve on the exhaust pipe of the activated carbon adsorption device is opened, so that the treated gas is discharged to the atmosphere.
[0041] If the condensation treatment gas concentration detected by the gas concentration detector LFL001 is not less than the predetermined first concentration, but the adsorption treatment gas concentration detected by the gas concentration detector LFL001 is less than the predetermined second concentration, it indicates that the gas needs to be condensed at this time, but does not need to be adsorbed, then the central control module 1 controls the flow regulating valve FV001 to open, at this time the condensation treatment gas concentration detected by the gas concentration detector LFL001 is compared with the predetermined first concentration again, if the condensation treatment gas concentration detected by the gas concentration detector LFL001 is still not less than the predetermined first concentration, then the subsequent condensation device corresponding flow regulating valve is opened in turn until the condensation treatment gas concentration detected by the gas concentration detector LFL001 is less than the predetermined first concentration.
[0042] If the condensation treatment gas concentration detected by the gas concentration detector LFL001 is not less than the preset first concentration, and the adsorption treatment gas concentration detected by the gas concentration detector LFL001 is not less than the preset second concentration, it indicates that the gas needs both condensation treatment and adsorption treatment at this time, the central control module 1 controls the flow regulating valve FV001 to open, at this time, the condensation treatment gas concentration detected by the gas concentration detector LFL001 is obtained again and compared with the preset first concentration, if the condensation treatment gas concentration detected by the gas concentration detector LFL001 is still not less than the preset first concentration, the flow regulating valves corresponding to the subsequent condensation devices are opened in turn, until the condensation treatment gas concentration detected by the gas concentration detector LFL001 is less than the preset first concentration, at the same time, the third switch valve XV001 is controlled to be closed and the second switch valve XV002 is controlled to be opened, the gas enters the second activated carbon adsorption device, at this time, the central control module 1 obtains the adsorption treatment gas concentration detected by the gas concentration detector LFL002 and compares it with the preset second concentration, if the adsorption treatment gas concentration detected by the gas concentration detector LFL002 is less than the preset second concentration, the third switch valve XV003 is opened, the gas in the second activated carbon adsorption device is discharged to the atmosphere, if the adsorption treatment gas concentration detected by the gas concentration detector LFL002 is not less than the preset second concentration, the subsequent activated carbon adsorption devices are continuously opened, until the adsorption treatment gas concentration detected by the gas concentration detector is less than the preset second concentration, the switch valve on the exhaust pipe of the activated carbon adsorption device is opened, and the treated gas is discharged to the atmosphere.
[0043] The beneficial effects of the technical scheme provided by the utility model are that, by arranging the condensation module, the gas which is not easy to be adsorbed by activated carbon can be condensed before entering the activated carbon adsorption module, separated from other adsorbable gas, the gas treatment capacity and efficiency are improved, the activated carbon load is reduced, the service life of activated carbon is prolonged, the safety of gas treatment is improved, according to the measurement of the gas concentration at the end of the gas collection and treatment system, the flow of refrigerant is adjusted through the central control module, the use of refrigerant is reduced, and energy and cost are saved.
[0044] The above is only some embodiments of the utility model, only to illustrate the technical scheme of the utility model, and is not limited to it, and it should be understood that, for ordinary skilled person in the art, without departing from the creative concept of the utility model, the above description can be improved or replaced, and all these improvements and replacements shall belong to the protection scope of the utility model claims. In this case, all details can be replaced by equivalent elements, and the materials, shapes and sizes can be arbitrary.
Claims
1. A gas collection and treatment system, characterized by, The application relates to a central control module, a condensation module and an activated carbon adsorption module. The condensation module comprises a plurality of condensation devices, and a flow regulating valve is arranged at the refrigerant inlet of each condensation device to regulate the refrigerant flow entering the condensation device. The gas outlet of the condensation module is connected with the gas inlet of the activated carbon adsorption module. The activated carbon adsorption module comprises a plurality of activated carbon adsorption devices, and a gas concentration detector is connected with each activated carbon adsorption device to detect the concentration of toxic gas and combustible gas in the activated carbon adsorption device. The central control module is electrically connected with the condensation module and the activated carbon adsorption module to control the working state of the condensation module and the activated carbon adsorption module. The condensation module comprises a first condensation device, a second condensation device,..., and an n-th condensation device, wherein n is a natural number not less than 2, the gas inlet of the first condensation device is used as the gas inlet of the condensation module, the gas inlets of the second condensation device to the n-th condensation device are connected with the gas outlets of the previous condensation devices, and the gas outlet of the n-th condensation device is used as the gas outlet of the condensation module and is connected with the gas inlet of the activated carbon adsorption module.
2. The gas collection and treatment system of claim 1, wherein, Each condensation device is connected with a differential pressure liquid level meter, and the differential pressure liquid level meter is used for measuring the liquid level in the condensation device.
3. The gas collection and treatment system of claim 1, wherein, Each first switch valve is electrically connected with the central control module.
4. The gas collection and treatment system of claim 1, wherein, The condensation device is a capillary condenser.
5. The gas collection and treatment system of claim 1, wherein, The capillary condenser adopts a 4mm inner diameter copper pipe.
6. The gas collection and treatment system of claim 5, wherein, The activated carbon adsorption module comprises a first activated carbon adsorption device,..., and an m-th activated carbon adsorption device, wherein m is a natural number not less than 2, the gas inlet of the first activated carbon adsorption device is used as the gas inlet of the activated carbon adsorption module and is connected with the gas outlet of the condensation module, and the gas inlets of the second activated carbon adsorption device to the m-th activated carbon adsorption device are connected with the gas outlets of the previous activated carbon adsorption devices.
7. The gas collection and treatment system of claim 1, wherein, Each second switch valve is electrically connected with the central control module.
8. The gas collection and treatment system of claim 7, wherein, Each third switch valve is electrically connected with the central control module.
9. The gas collection and treatment system of claim 1, wherein, The central control module is a PLC controller.
10. The gas collection and treatment system of claim 1, wherein,