CN218599759U - Pretreatment system suitable for catalytic combustion treatment of medium-high concentration organic waste gas - Google Patents
Pretreatment system suitable for catalytic combustion treatment of medium-high concentration organic waste gas Download PDFInfo
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- CN218599759U CN218599759U CN202222918895.XU CN202222918895U CN218599759U CN 218599759 U CN218599759 U CN 218599759U CN 202222918895 U CN202222918895 U CN 202222918895U CN 218599759 U CN218599759 U CN 218599759U
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Abstract
The utility model discloses a pretreatment systems suitable for well high concentration organic waste gas catalytic combustion handles, including pretreatment systems, pretreatment systems includes first activated carbon case and second activated carbon case, first activated carbon case connects gradually one-level heat exchanger and second grade heat exchanger with the bottom export of second activated carbon case, the exit linkage collecting tank of second grade heat exchanger, the top exit linkage gas recovery pipe of collecting tank, solvent recovery pipe and condensate recovery pipe are connected respectively in the bottom export of collecting tank. A pretreatment systems suitable for well high concentration organic waste gas catalytic combustion handles, to CO catalytic combustion technical treatment organic waste gas, adsorb the concentration to waste gas through one being equipped with two activated carbon boxes, utilize the continuous condensation of gas-liquid mixture after the secondary heat exchanger is to desorption to the collection tank that utilizes special design structure carries out autosegregation recycle to gas, solvent, comdenstion water.
Description
Technical Field
The utility model relates to an organic waste gas handles technical field, in particular to pretreatment systems suitable for well high concentration organic waste gas catalytic combustion handles.
Background
The pretreatment system for Catalytic combustion treatment of organic waste gas is a support device for organic waste gas treatment, catalytic combustion (CO for short) is a technology commonly used for treating volatile organic waste gas with medium and low concentration, the catalyst is used for reducing the activation energy of organic matters, the organic matters are decomposed into carbon dioxide and water by oxidation-reduction reaction at relatively low temperature, and the CO is often used for treatment aiming at certain specific working conditions, such as large air volume, medium and high concentration and low oxygen content waste gas containing VOCs, which do not have the conditions for treatment by using devices such as RTO and the like.
To avoid plugging of the CO catalyst layer and to prevent catalyst poisoning, the exhaust gas must be pretreated to remove dust, liquid loading, and catalyst poisons from the exhaust gas before entering the catalyst apparatus. The existing pretreatment mainly utilizes honeycomb activated carbon and is carried out through adsorption-desorption regeneration-adsorption circulation treatment. However, the existing pretreatment means is not sufficient for recycling the emissions, which causes unnecessary waste and secondary pollution; in addition, the existing pretreatment process equipment is complex in arrangement, which brings great inconvenience to construction and installation; and thirdly, no better recovery treatment method is available for the treated materials, and therefore, a pretreatment system suitable for catalytic combustion treatment of the medium-high concentration organic waste gas is provided.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a be not enough to prior art, the utility model provides a pretreatment systems suitable for well high concentration organic waste gas catalytic combustion handles, organic waste gas is handled to CO catalytic combustion technique, adsorb through one being equipped with one two activated carbon box and concentrating waste gas, utilize the second grade heat exchanger to carry out continuous condensation to the gas-liquid mixture after the desorption, and utilize the collection tank of special design structure to gas, the solvent, the comdenstion water carries out the autosegregation recycle, simplify the overall process technology, realize the high-efficient recycle to the emission, can effectively solve the problem in the background art.
(II) technical scheme
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a pretreatment systems suitable for well high concentration organic waste gas catalytic combustion handles, includes pretreatment systems, pretreatment systems includes first activated carbon case and second activated carbon case, the casing top position of first activated carbon case, second activated carbon case all is connected with the steam conduit, the casing bottom position of first activated carbon case, second activated carbon case all is connected with the waste gas pipeline, the bottom export of first activated carbon case and second activated carbon case has connected gradually one-level heat exchanger and secondary heat exchanger, the exit linkage of secondary heat exchanger has the collection tank, the top exit linkage of collection tank has the gas recovery pipe, the bottom export of collection tank is connected with solvent recovery pipe and condensate recovery pipe respectively.
As a preferred technical scheme of this application, the inside of holding vessel is provided with autosegregation and retrieves the structure, pretreatment systems's exit linkage has air mixing box, air mixing box's exit linkage has the heat exchanger, the exit linkage of heat exchanger has the preheater, the exit linkage of preheater has the catalyst, the exit linkage of catalyst has heat exchanger and discharge pipe.
As an optimal technical scheme of this application, the top input of first activated carbon case, second activated carbon case and steam conduit's output is connected an organic whole, the bottom input of first activated carbon case, second activated carbon case and exhaust gas conduit's output is connected an organic whole.
As an optimal technical scheme of this application, the bottom output of first activated carbon case, second activated carbon case passes through the input body coupling of one-level heat exchanger, second grade heat exchanger and holding tank, the top output of holding tank is connected with gas recovery pipe's input, the bottom output of holding tank is connected with solvent recovery pipe, condensate recovery pipe's input.
As an optimal technical scheme of this application, integrative location between collection tank inside and the autosegregation retrieves the structure, the position of mixing with the wind case inserts the new trend pipeline.
As a preferred technical scheme of this application, pretreatment systems's output and the input body coupling of air mixing box, the output of air mixing box and the input body coupling of heat exchanger, the output of heat exchanger and the input body coupling of pre-heater, the output of pre-heater and the input body coupling of catalyst, the output of catalyst and the input body coupling of heat exchanger and discharge pipe.
(III) advantageous effects
Compared with the prior art, the utility model provides a pretreatment systems suitable for well high concentration organic waste gas catalytic combustion handles possesses following beneficial effect: this a pretreatment systems suitable for medium and high concentration organic waste gas catalytic combustion handles, handle organic waste gas to CO catalytic combustion technique, adsorb through one being equipped with two activated carbon case and concentrating, utilize the second grade heat exchanger to carry out continuous condensation to the gas-liquid mixture after the desorption, and utilize the holding vessel of special design structure to gas, the solvent, the comdenstion water carries out the autosegregation recycle, simplify overall processing technology, realize the high-efficient recycle to the emission, the inside waste gas of waste gas pipeline carries the inside position adsorption concentration of first activated carbon case and second activated carbon case to handle, control through the waste gas valve, after finishing handling through the one-level heat exchanger, the gas-liquid mixture carries out the condensation processing through the second grade heat exchanger, and carry the position of holding vessel, the inside design of holding vessel has autosegregation to retrieve the structure, autosegregation retrieves, and to solvent ejection of compact pipeline and comdenstion water ejection of compact pipeline, whole pretreatment systems of organic waste gas catalytic combustion handles simple structure, and convenient operation, the effect of use is better than the traditional mode.
Drawings
Fig. 1 is the overall structure schematic diagram of the pretreatment system suitable for catalytic combustion treatment of middle and high concentration organic waste gas.
Fig. 2 is a schematic diagram of the internal structure of the pretreatment system in the pretreatment system suitable for catalytic combustion treatment of middle and high concentration organic waste gas.
In the figure: 1. a first activated carbon tank; 2. a second activated carbon tank; 3. an exhaust gas conduit; 4. a steam line; 5. a primary heat exchanger; 6. a secondary heat exchanger; 7. a collection tank; 8. a gas recovery pipe; 9. a solvent recovery pipe; 10. a condensate recovery pipe; 11. an automatic separation and recovery structure; 12. a pre-treatment system; 13. a wind mixing box; 14. a heat exchanger; 15. a preheater; 16. a catalyst; 17. a discharge conduit.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings and detailed description, but those skilled in the art will understand that the following described embodiments are some, not all, of the embodiments of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, a pretreatment system suitable for catalytic combustion treatment of middle and high concentration organic waste gas comprises a pretreatment system 12, the pretreatment system 12 comprises a first activated carbon box 1 and a second activated carbon box 2, the top positions of the shells of the first activated carbon box 1 and the second activated carbon box 2 are both connected with a steam pipeline 4, the bottom positions of the shells of the first activated carbon box 1 and the second activated carbon box 2 are both connected with a waste gas pipeline 3, the bottom outlets of the first activated carbon box 1 and the second activated carbon box 2 are sequentially connected with a primary heat exchanger 5 and a secondary heat exchanger 6, the outlet of the secondary heat exchanger 6 is connected with a collection tank 7, the top outlet of the collection tank 7 is connected with a gas recovery pipe 8, the bottom outlet of the collection tank 7 is respectively connected with a solvent recovery pipe 9 and a condensate recovery pipe 10, organic waste gas is treated by a CO catalytic combustion technology, waste gas is adsorbed and concentrated by two activated carbon boxes, the desorbed mixture is continuously condensed by the secondary heat exchanger, gas, and the collection tank with a special design structure is used for automatic separation and recovery of gas, solvent and condensate water, and the high efficiency of the overall treatment of emissions is realized, and the overall recovery process is simplified.
Furthermore, an automatic separation and recovery structure 11 is arranged inside the collecting tank 7, an outlet of the pretreatment system 12 is connected with an air mixing box 13, an outlet of the air mixing box 13 is connected with a heat exchanger 14, an outlet of the heat exchanger 14 is connected with a preheater 15, an outlet of the preheater 15 is connected with a catalyst 16, and an outlet of the catalyst 16 is connected with the heat exchanger 14 and a discharge pipeline 17.
Further, the top input ends of the first activated carbon box 1 and the second activated carbon box 2 are integrally connected with the output end of the steam pipeline 4, and the bottom input ends of the first activated carbon box 1 and the second activated carbon box 2 are integrally connected with the output end of the waste gas pipeline 3.
Further, the bottom output ends of the first activated carbon box 1 and the second activated carbon box 2 are connected with the input end of the collecting tank 7 through the first-stage heat exchanger 5 and the second-stage heat exchanger 6, the top output end of the collecting tank 7 is connected with the input end of the gas recovery pipe 8, and the bottom output end of the collecting tank 7 is connected with the input ends of the solvent recovery pipe 9 and the condensate recovery pipe 10.
Further, the interior of the collecting tank 7 and the automatic separation and recovery structure 11 are integrally positioned, and the air mixing box 13 is connected to a fresh air pipeline.
Further, the output end of the pretreatment system 12 is integrally connected with the input end of the air mixing box 13, the output end of the air mixing box 13 is integrally connected with the input end of the heat exchanger 14, the output end of the heat exchanger 14 is integrally connected with the input end of the preheater 15, the output end of the preheater 15 is integrally connected with the input end of the catalyst 16, and the output end of the catalyst 16 is integrally connected with the input ends of the heat exchanger 14 and the discharge pipeline 17.
The working principle is as follows: the utility model discloses a first activated carbon box 1, second activated carbon box 2, exhaust gas conduit 3, steam conduit 4, one-level heat exchanger 5, second grade heat exchanger 6, the collection tank 7, gas recovery pipe 8, solvent recovery pipe 9, condensate recovery pipe 10, autosegregation retrieves structure 11, pretreatment systems 12, air mixing box 13, heat exchanger 14, preheater 15, catalyst 16, discharge pipe 17, when using, the inside position adsorption concentration processing of first activated carbon box 1 and second activated carbon box 2 is carried to the inside waste gas of exhaust gas conduit 3, control through the waste gas valve, after finishing the processing, one-level heat exchanger 5 is passed through to second grade heat exchanger 6 carries out condensation processing with gas-liquid mixture, and carry the position of collection tank 7, collection tank 7 internal design has autosegregation to retrieve structure 6, autosegregation retrieves, and to discharge solvent and condensate in solvent recovery pipe 9 and recovery pipe 10, treat organic waste gas to CO catalytic combustion technology, carry out adsorption concentration to waste gas through one two activated carbon boxes for one, utilize second grade heat exchanger to carry out the condensate concentration in succession to the emission after the desorption, and utilize the design of special condensate recovery tank to carry out the high-efficient condensate recovery technology, the high efficiency recovery utilization of the gas-liquid recovery processing is realized.
It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed.
Claims (6)
1. A pretreatment system suitable for catalytic combustion treatment of medium and high concentration organic waste gas comprises a pretreatment system (12), and is characterized in that: pretreatment system (12) include first activated carbon box (1) and second activated carbon box (2), the casing top position of first activated carbon box (1), second activated carbon box (2) all is connected with steam conduit (4), the casing bottom position of first activated carbon box (1), second activated carbon box (2) all is connected with exhaust gas conduit (3), the bottom export of first activated carbon box (1) and second activated carbon box (2) has connected gradually one-level heat exchanger (5) and secondary heat exchanger (6), the exit linkage of secondary heat exchanger (6) has collection tank (7), the top exit linkage of collection tank (7) has gas recovery pipe (8), the bottom export of collection tank (7) is connected with solvent recovery pipe (9) and condensate recovery pipe (10) respectively.
2. The pretreatment system for catalytic combustion treatment of middle and high concentration organic waste gas according to claim 1, wherein: the automatic separation and recovery device is characterized in that an automatic separation and recovery structure (11) is arranged inside the collecting tank (7), an outlet of the pretreatment system (12) is connected with a mixed air box (13), an outlet of the mixed air box (13) is connected with a heat exchanger (14), an outlet of the heat exchanger (14) is connected with a preheater (15), an outlet of the preheater (15) is connected with a catalyst (16), and an outlet of the catalyst (16) is connected with the heat exchanger (14) and a discharge pipeline (17).
3. The pretreatment system for catalytic combustion treatment of middle and high concentration organic waste gas according to claim 1, wherein: the top input ends of the first activated carbon box (1) and the second activated carbon box (2) are integrally connected with the output end of the steam pipeline (4), and the bottom input ends of the first activated carbon box (1) and the second activated carbon box (2) are integrally connected with the output end of the waste gas pipeline (3).
4. The pretreatment system for catalytic combustion treatment of middle and high concentration organic waste gas according to claim 1, wherein: the bottom output end of the first activated carbon box (1) and the second activated carbon box (2) is integrally connected with the input end of the collecting tank (7) through the first-stage heat exchanger (5) and the second-stage heat exchanger (6), the top output end of the collecting tank (7) is connected with the input end of the gas recovery pipe (8), and the bottom output end of the collecting tank (7) is connected with the input ends of the solvent recovery pipe (9) and the condensate recovery pipe (10).
5. The pretreatment system for catalytic combustion treatment of middle and high concentration organic waste gas according to claim 2, wherein: the collecting tank (7) is internally positioned with the automatic separation and recovery structure (11) in an integrated mode, and a fresh air pipeline is connected to the position of the air mixing box (13).
6. The pretreatment system for catalytic combustion treatment of middle and high concentration organic waste gas according to claim 2, wherein: the output end of the pretreatment system (12) is integrally connected with the input end of the air mixing box (13), the output end of the air mixing box (13) is integrally connected with the input end of the heat exchanger (14), the output end of the heat exchanger (14) is integrally connected with the input end of the preheater (15), the output end of the preheater (15) is integrally connected with the input end of the catalyst (16), and the output end of the catalyst (16) is integrally connected with the input ends of the heat exchanger (14) and the discharge pipeline (17).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222918895.XU CN218599759U (en) | 2022-11-03 | 2022-11-03 | Pretreatment system suitable for catalytic combustion treatment of medium-high concentration organic waste gas |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222918895.XU CN218599759U (en) | 2022-11-03 | 2022-11-03 | Pretreatment system suitable for catalytic combustion treatment of medium-high concentration organic waste gas |
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| CN202222918895.XU Active CN218599759U (en) | 2022-11-03 | 2022-11-03 | Pretreatment system suitable for catalytic combustion treatment of medium-high concentration organic waste gas |
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