CN111375283B - Desorption control method - Google Patents
Desorption control method Download PDFInfo
- Publication number
- CN111375283B CN111375283B CN201811646943.6A CN201811646943A CN111375283B CN 111375283 B CN111375283 B CN 111375283B CN 201811646943 A CN201811646943 A CN 201811646943A CN 111375283 B CN111375283 B CN 111375283B
- Authority
- CN
- China
- Prior art keywords
- gas
- raw material
- control method
- organic waste
- waste gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
- B01D2259/4009—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas
Abstract
The invention provides a desorption control method, and relates to the field of waste gas treatment. The desorption control method comprises the steps of rotating the raw material gas introduced into the inner cavity to diffuse the raw material gas to the adsorption layer; the raw material gas takes away the organic molecules desorbed from the adsorption layer to form organic waste gas, and the organic waste gas is diffused into the outer cavity; and collecting the organic waste gas in the outer cavity. The desorption control method provided by the invention can improve the desorption effect.
Description
Technical Field
The invention relates to the field of waste gas treatment, in particular to a desorption control method.
Background
The existing organic waste gas (VOCs) adsorption devices mainly comprise fixed bed adsorption devices and rotating wheel concentration devices.
The fixed bed adsorption apparatus has an adsorbent amount determined according to the amount of air and the adsorption quality, and generally has a large adsorbent amount. During desorption operation, the adsorbent is subjected to integral desorption, the desorption is started after the adsorbent absorbs heat integrally and obtains enough energy, and meanwhile, the exhaust concentration change of the desorption operation is distributed in a single wave peak mode, the concentration change fluctuation is large, the requirement on subsequent terminal treatment equipment is high, and the energy consumption is large.
Disclosure of Invention
The invention aims to provide a desorption control method which can improve the desorption effect.
The invention provides a technical scheme that:
a desorption control method for preparing organic waste gas comprises the following steps:
rotating the raw material gas introduced into the inner cavity to diffuse the raw material gas to the adsorption layer;
the raw material gas adsorbs organic molecules in the adsorption layer to form the organic waste gas, and the organic waste gas is diffused into the outer cavity;
collecting the organic waste gas in the outer chamber.
Further, in a preferred embodiment of the present invention, the step of rotating the raw material gas introduced into the inner cavity to diffuse the raw material gas to the adsorption layer includes:
heating the raw material gas to form a heated gas;
introducing the heated gas into the inner cavity;
and rotating the heating gas to diffuse the heating gas onto the adsorption layer.
Further, in a preferred embodiment of the present invention, before the step of introducing the heating gas into the inner cavity, the step of rotating the raw material gas introduced into the inner cavity to diffuse the raw material gas to the adsorption layer further includes: and extracting air in the outer cavity to form negative pressure in the outer cavity.
Further, in a preferred embodiment of the present invention, the step of rotating the heating gas to diffuse the heating gas onto the adsorption layer includes:
introducing the heated gas into a nozzle;
rotating the nozzle.
Further, in a preferred embodiment of the present invention, the desorption control method further includes adjusting the concentration of the organic waste gas.
Further, in a preferred embodiment of the present invention, the step of adjusting the concentration of the organic waste gas includes:
detecting the real-time concentration of the organic waste gas;
and when the real-time concentration is lower than the preset concentration, stopping rotating the raw material gas.
Further, in a preferred embodiment of the present invention, the desorption control method further includes: adjusting the temperature of the organic waste gas.
Further, in a preferred embodiment of the present invention, the step of adjusting the real-time temperature of the organic waste gas comprises:
detecting the real-time temperature of the organic waste gas;
and when the real-time temperature is lower than the preset temperature, decelerating and rotating the raw material gas.
The desorption control method provided by the invention has the beneficial effects that: in the invention, the desorption control method comprises the steps of rotating the raw material gas introduced into the inner cavity to diffuse the raw material gas to the adsorption layer; the raw material gas adsorbs organic molecules in the adsorption layer to form organic waste gas, and the organic waste gas is quickly diffused into the outer cavity under the action of negative pressure; and collecting the organic waste gas in the outer cavity. The desorption control method provided by the invention can improve the desorption effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a flowchart of a desorption control method according to an embodiment of the present invention.
Fig. 2 is a flowchart of a sub-step of step S100 of a desorption control method according to an embodiment of the present invention.
Fig. 3 is a flowchart of the sub-step of step S140 of the desorption control method according to the embodiment of the present invention.
Fig. 4 is a flowchart of a sub-step of step S400 of a desorption control method according to an embodiment of the present invention.
Fig. 5 is a flowchart of the sub-step of step S500 of the desorption control method according to the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships that the products of the present invention conventionally put into use, or the orientations or positional relationships that the persons skilled in the art conventionally understand, are only used for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
Referring to fig. 1, the present embodiment provides a desorption control method, which can improve the desorption effect.
For the sake of brevity, reference may be made to the first embodiment and the second embodiment where this embodiment is not mentioned.
The desorption control method provided by the embodiment is mainly used for the desorption test process of the organic gas.
The specific operation process is as follows:
referring to fig. 1, in step S100, the raw material gas in the inner cavity is introduced to diffuse the raw material gas to the adsorption layer.
In this embodiment, before the desorption starts, the nozzle is rotated to make the nozzle opening and the outer cavity pumping opening be located at the same side position of the same plane, and then the desorption starts.
In this embodiment, after the raw material gas is introduced into the nozzle, when the concentration of the raw material gas reaches a predetermined value, the driver drives the nozzle to rotate, so that the nozzle drives the raw material gas to rotate, the raw material gas can be uniformly sprayed onto the adsorption layer having the same area as the nozzle opening, and the organic molecules on the adsorption layer are continuously desorbed, so that the concentration of the organic waste gas discharged from the desorption air outlet is stable and uniform, thereby improving the desorption effect.
In the embodiment of the present invention, step S100 may be performed by a driver.
Referring to fig. 2, step S100 may include step S110, step S120, step S130 and step S140.
And step S110, extracting air in the outer cavity to form negative pressure in the outer cavity.
In this embodiment, before the desorption starts, the air outlet valve is opened first, the air outlet machine starts to work, and the air in the outer cavity is extracted first, so that the outer cavity forms a negative pressure, and the raw material gas in the inner cavity can rapidly pass through the adsorption layer to adsorb the organic molecules in the adsorption layer.
In the embodiment of the present invention, the desorption air-out assembly 160 may perform step S110.
In step S120, the raw material gas is heated to form a heated gas.
In this embodiment, the raw material gas may be heated by the residual heat of the oxidation reaction.
In this embodiment, when the temperature detection device detects that the real-time temperature of the organic phase is lower than the preset temperature, the temperature detection device sends a deceleration signal for controlling the driver to decelerate so as to control the driver to decelerate.
In this embodiment, after the driver is decelerated, the raw material gas can be sufficiently heated before entering the nozzle.
Step S130, introducing a heating gas into the inner cavity.
Step S140 is to rotate the heating gas to diffuse the heating gas onto the adsorption layer.
In this embodiment, the heated gas is introduced into the nozzle, and the driver rotates the heated gas by rotating the nozzle, so that the heated gas diffuses into the adsorption layer.
Referring to fig. 3, step S140 may include step S142 and step S144.
In step S142, a heating gas is introduced into the nozzle.
In this embodiment, the air inlet machine passes heated air into the nozzle.
In step S144, the nozzle is rotated.
In this embodiment, after raw material gas led into the nozzle, driver drive nozzle rotated, made the nozzle drive raw material gas rotate, made raw material gas can evenly spout on the adsorbed layer, formed continuous desorption to the organic molecule on the adsorbed layer, made the concentration of following desorption air outlet department exhaust organic waste gas stable and even to the effect of desorption has been improved.
Referring to fig. 1, in step S200, the raw material gas adsorbs organic molecules in the adsorption layer to form an organic waste gas, and the organic waste gas is diffused into the outer cavity.
In this example, the raw material gas diffuses into the adsorption layer, and adsorbs organic molecules in the adsorption layer.
And step S300, collecting the organic waste gas in the outer cavity.
In this embodiment, the treatment device collects the organic waste gas and treats the organic waste gas.
Step S400, adjusting the concentration of the organic waste gas.
Referring to fig. 4, step S400 may include step S410 and step S420.
Step S410, detecting the real-time concentration of the organic waste gas.
The concentration detection device is used for detecting the real-time concentration of the organic waste gas, and when the real-time concentration is smaller than the preset concentration, the concentration detection device sends a stop signal for controlling the driver to stop so as to control the driver to stop rotating.
In step S420, when the real-time concentration is lower than the preset concentration, the rotation of the raw material gas is stopped.
In this embodiment, when the real-time concentration is lower than the preset concentration, the concentration detection device generates a stop signal for controlling the driver to stop rotating, so as to control the driver to stop rotating.
Referring to fig. 1, in step S500, the temperature of the organic waste gas is adjusted.
Referring to fig. 5, step S500 may include step S510 and step S520.
Step S510, detecting a real-time temperature of the organic waste gas.
In the present embodiment, the temperature detection means detects the real-time temperature of the organic exhaust gas.
In step S520, when the real-time temperature is lower than the preset temperature, the raw material gas is decelerated and rotated.
In this embodiment, when the real-time temperature is lower than the preset temperature, the temperature detection device generates a deceleration signal for controlling the driver to rotate in a deceleration manner, so as to control the driver to rotate in a deceleration manner.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A desorption control method for preparing organic waste gas is characterized by comprising the following steps:
rotating the raw material gas introduced into the inner cavity to diffuse the raw material gas to the adsorption layer;
the raw material gas takes away the organic molecules desorbed from the adsorption layer to form the organic waste gas, and the organic waste gas is diffused into the outer cavity;
collecting the organic waste gas in the outer chamber;
the step of rotationally introducing the raw material gas into the inner cavity to diffuse the raw material gas to the adsorption layer comprises the following steps:
heating the raw material gas to form a heated gas;
extracting air in the outer cavity to form negative pressure in the outer cavity;
introducing the heated gas into the inner cavity;
and rotating the heating gas to diffuse the heating gas onto the adsorption layer.
2. The desorption control method according to claim 1, wherein the step of rotating the heated gas to diffuse the heated gas onto the adsorption layer includes:
introducing the heated gas into a nozzle;
rotating the nozzle.
3. The desorption control method of claim 1 further comprising adjusting the concentration of the organic off-gas.
4. The desorption control method according to claim 3, wherein the step of adjusting the concentration of the organic off-gas includes:
detecting the real-time concentration of the organic waste gas;
and when the real-time concentration is lower than the preset concentration, stopping rotating the raw material gas.
5. The desorption control method according to claim 1, further comprising: adjusting the temperature of the organic waste gas.
6. The desorption control method of claim 5, wherein the step of adjusting the real-time temperature of the organic off-gas comprises:
detecting the real-time temperature of the organic waste gas;
and when the real-time temperature is lower than the preset temperature, decelerating and rotating the raw material gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811646943.6A CN111375283B (en) | 2018-12-30 | 2018-12-30 | Desorption control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811646943.6A CN111375283B (en) | 2018-12-30 | 2018-12-30 | Desorption control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111375283A CN111375283A (en) | 2020-07-07 |
| CN111375283B true CN111375283B (en) | 2022-05-03 |
Family
ID=71214956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811646943.6A Active CN111375283B (en) | 2018-12-30 | 2018-12-30 | Desorption control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111375283B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63134026A (en) * | 1986-11-25 | 1988-06-06 | Nkk Corp | Gas adsorption and separation device |
| JPH08108031A (en) * | 1994-10-11 | 1996-04-30 | Mitsubishi Heavy Ind Ltd | Solvent recovery device |
| CN201534043U (en) * | 2009-11-12 | 2010-07-28 | 福建嘉园环保有限责任公司 | Integrated rotary adsorption and desorption organic waste gas treatment device |
| CN106512642A (en) * | 2016-12-26 | 2017-03-22 | 郑州天舜电子技术有限公司 | Activated carbon waste gas treatment device |
| CN108246045A (en) * | 2018-01-25 | 2018-07-06 | 杭州润信科技有限公司 | Container-type organic exhaust gas adsorption purification-catalytic combustion regenerative skid-mounted device |
| CN207591423U (en) * | 2017-12-07 | 2018-07-10 | 南通航运职业技术学院 | A kind of bunker fuel oil cleaning filter vestiges blowing-down device |
| CN108970339A (en) * | 2018-08-01 | 2018-12-11 | 南京精智新信息科技有限公司 | A kind of emission-control equipment with waste heat recovery function |
-
2018
- 2018-12-30 CN CN201811646943.6A patent/CN111375283B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63134026A (en) * | 1986-11-25 | 1988-06-06 | Nkk Corp | Gas adsorption and separation device |
| JPH08108031A (en) * | 1994-10-11 | 1996-04-30 | Mitsubishi Heavy Ind Ltd | Solvent recovery device |
| CN201534043U (en) * | 2009-11-12 | 2010-07-28 | 福建嘉园环保有限责任公司 | Integrated rotary adsorption and desorption organic waste gas treatment device |
| CN106512642A (en) * | 2016-12-26 | 2017-03-22 | 郑州天舜电子技术有限公司 | Activated carbon waste gas treatment device |
| CN207591423U (en) * | 2017-12-07 | 2018-07-10 | 南通航运职业技术学院 | A kind of bunker fuel oil cleaning filter vestiges blowing-down device |
| CN108246045A (en) * | 2018-01-25 | 2018-07-06 | 杭州润信科技有限公司 | Container-type organic exhaust gas adsorption purification-catalytic combustion regenerative skid-mounted device |
| CN108970339A (en) * | 2018-08-01 | 2018-12-11 | 南京精智新信息科技有限公司 | A kind of emission-control equipment with waste heat recovery function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111375283A (en) | 2020-07-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5266758B2 (en) | Volatile organic compound processing equipment | |
| US6372026B1 (en) | Apparatus for producing oxygen enhanced gas from air | |
| CN202569899U (en) | Organic waste gas catalytic combustion purification equipment | |
| WO2006109670A1 (en) | Sterilization system | |
| CN107362652A (en) | Can on-line measurement VOC concentration VOC adsorption plants and its method | |
| JP2010029855A (en) | Process and apparatus for nitrous oxide removal | |
| CN111375283B (en) | Desorption control method | |
| CN102049189A (en) | Method for purifying organic waste gas | |
| JP2010203639A (en) | Dehumidification dryer for powder and granular material and method of dehumidifying and drying powder and granular material | |
| CN110237704A (en) | A kind of activated carbon adsorption desorption method and device | |
| IL117963A (en) | Enhanced adsorbent and room temperature catalyst particles and methods for the production thereof | |
| JP2009125606A (en) | Adsorbent regenerator used by being incorporated in waste gas treatment apparatus, waste gas treatment apparatus, and adsorbent regeneration method | |
| CN205598911U (en) | Modified asphalt waterproofing membrane process gas processing system | |
| CN217511513U (en) | Molecular sieve adsorber for air separation system | |
| CA3024086A1 (en) | Adsorbent, method for removing carbon dioxide, carbon dioxide remover, and air conditioner | |
| CN107224843A (en) | A kind of compressed-air drier | |
| CN105854510B (en) | A kind of VOCs processing equipment and method | |
| CN209378720U (en) | A kind of adsorbent equipment and desorption system | |
| CN112237824B (en) | Device for continuously adsorbing and desorbing organic waste gas through built-in heating integration | |
| CN214914693U (en) | Built-in heating integrated device for continuously adsorbing and desorbing organic waste gas | |
| CN111375284A (en) | Adsorption device and desorption system | |
| JP3894238B2 (en) | Low concentration organic solvent gas processing equipment | |
| JP2007014885A (en) | Gas treating system | |
| CN110523211A (en) | A kind of active carbon case and its working method for VOCS Processing tecchnics | |
| JP3363030B2 (en) | Low-concentration organic solvent gas processing apparatus and processing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Block 3-1, No.10, Shunchang Road, Daliang Wusha, Shunde District, Foshan City, Guangdong Province, 528000 Applicant after: Guangdong huanbaojia Health Technology Co.,Ltd. Address before: Block 3-1, No.10, Shunchang Road, Daliang Wusha, Shunde District, Foshan City, Guangdong Province, 528000 Applicant before: VERBOCA ENERGY-SAVING TECHNOLOGIES Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |