CN218357443U - Centralized processing system of hydrogen peroxide solution production tail gas - Google Patents
Centralized processing system of hydrogen peroxide solution production tail gas Download PDFInfo
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- CN218357443U CN218357443U CN202221994741.2U CN202221994741U CN218357443U CN 218357443 U CN218357443 U CN 218357443U CN 202221994741 U CN202221994741 U CN 202221994741U CN 218357443 U CN218357443 U CN 218357443U
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Abstract
The application provides a centralized processing system of hydrogen peroxide solution production tail gas, including oxidizing solution storage tank, circulation working solution storage tank, two sets of condensation sealing mechanism, fan, storage tank tail gas buffer tank. And a first tail gas vent is arranged on the oxidizing liquid storage tank. And a second tail gas vent is arranged on the circulating working liquid storage tank. The input end of the storage tank tail gas buffer tank is communicated with the output end of the condensation sealing mechanism. The fan input end is communicated with the output end of the storage tank tail gas buffer tank, and the fan output end is communicated with the oxidation tail gas adsorption system. The tail gas pipeline of the deep-cooling oxidizing liquid storage tank and the tail gas pipeline of the circulating working liquid storage tank are communicated, and pulse type influence of tail gas of the storage tank is overcome through the buffer tank. And the tail gas in the oxidizing liquid storage tank and the circulating working liquid storage tank is sent to an oxidized tail gas adsorption system by a fan for further absorption treatment, so that the tail gas treatment level is improved.
Description
Technical Field
The utility model relates to a hydrogen peroxide solution production technical field especially relates to a centralized processing system of hydrogen peroxide solution production tail gas.
Background
The oxidizing liquid and the circulating working liquid storage tank are normal-pressure equipment in the hydrogen peroxide production process, tail gas in the storage tank is discharged after condensation and water sealing, but when the speed of producing hydrogen peroxide is high and the load is fluctuated, the discharged gas amount (tail gas amount) in the oxidizing liquid storage tank is changed in a pulse mode, the condenser condensation is not timely, the tail gas discharge concentration of the storage tank is influenced, and the tail gas discharge is not in accordance with the standard.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a centralized processing system of hydrogen peroxide solution production tail gas for in solving traditional hydrogen peroxide solution production process, when the volume of putting air in the oxidizing liquid storage tank changes, lead to the condenser condensation easily and untimely make exhaust tail gas not conform to the standard often.
In order to achieve the above object, the utility model adopts the following technical scheme: the centralized treatment system for the tail gas generated in hydrogen peroxide production comprises:
the oxidizing solution storage tank is provided with a first tail gas pipe;
the circulating working solution storage tank is provided with a second tail gas pipe;
the input ends of the two condensation sealing mechanisms are respectively connected with the first tail gas pipe and the second tail gas pipe;
the input end of the storage tank tail gas buffer tank is communicated with the output end of the condensation sealing mechanism;
and the input end of the fan is communicated with the output end of the storage tank tail gas buffer tank, and the output end of the fan is communicated with the oxidation tail gas adsorption system.
In one embodiment, a communicating pipeline between the storage tank tail gas buffer tank and the fan is provided with a demister.
In one embodiment, the output end of the fan is provided with a return pipe, and the return pipe is communicated with the storage tank tail gas buffer tank.
In one embodiment, the return line is provided with a valve.
In one embodiment, the oxidized tail gas adsorption system comprises an alkaline washing tank and a clean water tank, and tail gas discharged by the fan sequentially passes through the alkaline washing tank and the clean water tank for cleaning.
In one embodiment, a pressure testing device is arranged on the storage tank tail gas buffer tank.
The embodiment of the present invention provides one or more technical solutions, which at least have the following technical effects or advantages:
the embodiment of the utility model provides a centralized processing system of hydrogen peroxide solution production tail gas, through with the tail gas of oxidizing liquid storage tank and circulating working fluid storage tank behind condensation sealing mechanism, send to oxidation tail gas adsorption system further absorption treatment by the fan, avoid directly arranging outside behind condensation sealing mechanism, and then avoid the tail gas in oxidizing liquid storage tank and the circulating working fluid storage tank directly arrange outside after handling via condensation sealing mechanism, improve tail gas treatment level, ensure that the tail gas of emission accords with emission standard. And the tail gas pipeline of the deep-cooling oxidizing liquid storage tank and the tail gas pipeline of the circulating working liquid storage tank are communicated, and the pulse type influence of the tail gas of the storage tank is overcome through the buffer tank.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a centralized processing system for hydrogen peroxide production tail gas provided by an embodiment of the present invention.
Wherein the respective reference numerals are as follows:
1. an oxidizing liquid storage tank; 2. a circulating working fluid storage tank; 3. a condensation sealing mechanism; 4. a storage tank tail gas buffer tank; 5. a fan; 6. a demister; 31. a cryogenic condenser; 32. emptying and sealing water; 51. a return pipe.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Referring to fig. 1, an embodiment of the present application provides a centralized treatment system for tail gas from hydrogen peroxide production, including an oxidizing liquid storage tank 1, a fan 5, two sets of condensation sealing mechanisms 3, a storage tank tail gas buffer tank 4, and a circulating working liquid storage tank 2. The oxidizing liquid storage tank 1 is provided with a first tail gas vent. And a second tail gas vent is arranged on the circulating working liquid storage tank 2. The condensation sealing mechanisms 3 comprise a deep cooling condenser 31 and a vent water seal 32 which are mutually connected in series, and the input ends of the two sets of condensation sealing mechanisms 3 are respectively connected with a first tail gas vent and a second tail gas vent. The input end of the storage tank tail gas buffer tank 4 is communicated with the output end of the condensation sealing mechanism 3. The input end of the fan 5 is communicated with the output end of the storage tank tail gas buffer tank 4, and the output end of the fan 5 is communicated with the oxidation tail gas adsorption system.
The centralized processing system of hydrogen peroxide solution production tail gas that this embodiment provided, through with the tail gas of oxidizing liquid storage tank 1 and circulation working solution storage tank 2 behind condensation sealing mechanism 3, send to oxidation tail gas adsorption system further absorption by fan 5 and handle, avoid direct external row behind condensation sealing mechanism 3, and then avoid the tail gas in oxidizing liquid storage tank 1 and the circulation working solution storage tank 2 directly external row after handling via condensation sealing mechanism 3, improve the tail gas treatment level, ensure that the tail gas of emission accords with emission standard. And the tail gas pipeline of the deep-cooling oxidizing liquid storage tank 1 and the tail gas pipeline of the circulating working liquid storage tank 2 are communicated, and the pulse influence of the tail gas of the storage tanks is overcome through a buffer tank.
In one embodiment, a demister 6 is arranged on a communication pipeline between the storage tank tail gas buffer tank 4 and the fan 5. The demister 6 can further capture water mist in the tail gas, and then remove the water mist in the tail gas, so that the tail gas enters the oxidation tail gas adsorption system to be treated.
In one embodiment, the output of the fan 5 is provided with a return pipe 51, and the return pipe 51 is in communication with the tank tail gas buffer tank 4. The negative pressure of the storage tank tail gas buffer tank 4 is adjusted by adopting a backflow mode through arranging a backflow pipe 51 at the output end of the fan 5. In one embodiment, the return line 51 is provided with a valve, which is used to control whether or not to perform the return.
In one embodiment, the oxidized tail gas adsorption system comprises an alkaline washing tank and a clean water tank, and tail gas discharged by the fan 5 is sequentially washed by the alkaline washing tank and the clean water tank. The oxidized tail gas is generally acidic (such as nitrogen oxide), so that harmful gas in the waste gas can be better absorbed and removed by adopting alkaline absorption liquid in the alkaline washing tank, and then the tail gas is cleaned by the clean water tank to remove alkaline absorption liquid particles carried in the tail gas.
In one embodiment, a pressure testing device, specifically a pressure gauge, a pressure tester, etc., is disposed on the tank tail gas buffer tank 4, and the pressure condition on the pressure testing device can be visually known by disposing the pressure testing device.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A centralized treatment system for tail gas in hydrogen peroxide production is characterized by comprising:
the oxidizing solution storage tank is provided with a first tail gas pipe;
the circulating working solution storage tank is provided with a second tail gas pipe;
the input ends of the two condensation sealing mechanisms are respectively connected with the first tail gas pipe and the second tail gas pipe;
the input end of the storage tank tail gas buffer tank is communicated with the output end of the condensation sealing mechanism;
and the input end of the fan is communicated with the output end of the storage tank tail gas buffer tank, and the output end of the fan is communicated with the oxidation tail gas adsorption system.
2. The centralized treatment system for tail gas in hydrogen peroxide production according to claim 1, characterized in that:
and a demister is arranged on a communication pipeline between the storage tank tail gas buffer tank and the fan.
3. The centralized treatment system for tail gas generated in hydrogen peroxide production according to claim 1, characterized in that:
and a return pipe is arranged at the output end of the fan and communicated with the storage tank tail gas buffer tank.
4. The centralized treatment system for tail gas generated in hydrogen peroxide production according to claim 3, characterized in that:
the return pipe is provided with a valve.
5. The centralized treatment system for tail gas generated in hydrogen peroxide production according to claim 1, characterized in that:
the oxidized tail gas adsorption system comprises an alkaline washing tank and a clean water tank, and tail gas discharged by the fan sequentially passes through the alkaline washing tank and the clean water tank for cleaning.
6. The centralized treatment system for tail gas generated in hydrogen peroxide production according to claim 1, characterized in that:
and a pressure testing device is arranged on the storage tank tail gas buffer tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221994741.2U CN218357443U (en) | 2022-07-29 | 2022-07-29 | Centralized processing system of hydrogen peroxide solution production tail gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221994741.2U CN218357443U (en) | 2022-07-29 | 2022-07-29 | Centralized processing system of hydrogen peroxide solution production tail gas |
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| Publication Number | Publication Date |
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| CN218357443U true CN218357443U (en) | 2023-01-24 |
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| CN202221994741.2U Active CN218357443U (en) | 2022-07-29 | 2022-07-29 | Centralized processing system of hydrogen peroxide solution production tail gas |
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- 2022-07-29 CN CN202221994741.2U patent/CN218357443U/en active Active
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