CN112107971A - Online dehumidification system - Google Patents
Online dehumidification system Download PDFInfo
- Publication number
- CN112107971A CN112107971A CN202010981482.9A CN202010981482A CN112107971A CN 112107971 A CN112107971 A CN 112107971A CN 202010981482 A CN202010981482 A CN 202010981482A CN 112107971 A CN112107971 A CN 112107971A
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- Prior art keywords
- dehumidification
- dry air
- fan
- pipeline
- dehumidifying
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- 238000007791 dehumidification Methods 0.000 title claims abstract description 74
- 238000001035 drying Methods 0.000 claims abstract description 23
- 230000008929 regeneration Effects 0.000 claims abstract description 7
- 238000011069 regeneration method Methods 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims description 2
- 239000002274 desiccant Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 23
- 239000002912 waste gas Substances 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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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
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Drying Of Gases (AREA)
Abstract
The invention discloses an online dehumidification system which comprises a plurality of dehumidification devices, a main fan, a dry air fan, a heater, a dehumidification gas pipeline, a dry air pipeline and valves, wherein each dehumidification device is respectively connected with the main fan, the heater, the dehumidification gas pipeline and the dry air pipeline through four valves, and the dehumidification devices are connected with the main fan and the dehumidification gas pipeline through switching of the valves to form a dehumidification subsystem for gas dehumidification or connected with the heater, the dry air fan and the dry air pipeline to form a dehumidification device drying subsystem for device drying. The invention ensures continuous and uninterrupted dehumidification of the system by switching the use and drying regeneration of the dehumidification device, and meanwhile, the device has simple and feasible structure and obviously reduces the equipment investment and the operation cost.
Description
Technical Field
The invention relates to the field of gas dehumidification, in particular to an online dehumidification system.
Background
Gas dehumidification is used as a subdivision field of gas treatment, and is widely applied to various industries such as semiconductors, wind power, war industry, tobacco and the like; in addition, in the treatment of industrial waste gas, the waste gas is often subjected to dehumidification treatment before entering a subsequent treatment process because of excessive humidity of the waste gas. How to realize continuous and efficient gas dehumidification is particularly important. The rotary dehumidifier is widely applied at home and abroad as a continuous dehumidification device, but the rotary dehumidifier mainly depends on import at present, and the investment and the operation cost are high, so that the application of the rotary dehumidifier in various industries is limited. Based on the technical scheme, the invention designs an economical and continuous online dehumidification device and system.
Disclosure of Invention
The invention aims to provide an online dehumidification system.
The technical solution for realizing the purpose of the invention is as follows: the utility model provides an online dehumidification system, including a plurality of dehydrating unit, and main fan, dry air fan, the heater, the dehumidification gas pipeline, dry air pipeline and valve, every dehydrating unit connects main fan respectively through four valves, the heater, the dehumidification gas pipeline, dry air pipeline, through the switching of valve, dehydrating unit and main fan and dehumidification gas pipe connection, it carries out gaseous dehumidification to constitute the dehumidification branch system, perhaps with the heater, dry air fan and dry air pipe connection, it carries out the device drying to constitute the dehumidification device drying branch system.
Furthermore, the dehumidification device comprises a dehumidifier core and a dehumidifier shell, wherein the dehumidifier shell is used for bearing the dehumidifier core and forming an air channel.
Furthermore, the dehumidifier core is of a cylindrical structure, dehumidifying materials are filled in a middle gap formed by the inner cylinder and the outer cylinder, the dehumidifier shell is provided with an access door so as to be convenient for overhauling and replacing the dehumidifier core, and the bottom of the dehumidifier shell is provided with a drain hole for draining water.
Furthermore, the dehumidifying material is silica gel or resin.
Further, the main fan and/or the dry air fan are/is a centrifugal fan, and the fan is in flexible connection with the pipeline.
Further, the heater is an electric heater.
Furthermore, the valve is a switch type ventilation butterfly valve and adopts a pneumatic or electric mode.
The system further comprises a control unit and a humidity detection instrument, and the control unit controls the on-off switching of the valve through the data detected by the humidity detection instrument so as to realize the continuous online dehumidification of the system.
An online dehumidification method, which uses the online dehumidification system described in any one of the above to perform continuous online dehumidification, specifically:
the method comprises the following steps that moisture-containing gas enters one of the dehumidifying devices through a dehumidifying gas pipeline for dehumidification, then is sent to a required place through a main fan, when the humidity of the gas at the outlet of the main fan is increased to a set humidity, other dehumidifying devices are switched through a valve for dehumidification, and the device is switched for drying and regeneration;
air enters the heater through the dry air fan to be heated, then enters the dehumidifying device needing drying and regeneration, and is discharged through the dry air pipeline, when the air humidity at the outlet of the dry air pipeline is reduced to the set dry humidity, the drying is completed, the switching valve closes the drying passage, and the device is used as a standby dehumidifying device for next use.
Further, the state of the dehumidifying device is switched by setting a switching time.
Compared with the prior art, the invention has the remarkable advantages that: through switching use and dry regeneration of the dehumidifying device, continuous and uninterrupted dehumidification of the system is guaranteed, and meanwhile, the device is simple and easy to operate, and equipment investment and operation cost are remarkably reduced.
Drawings
FIG. 1 is a process flow diagram of the online dehumidification of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
As shown in fig. 1, the online dehumidification system includes a first dehumidification device, a second dehumidification device, a main fan 3, a dry air fan 4, a heater 5, a dehumidification gas pipe 6, a dry air pipe 7, and a valve 8. Each dehumidifying device is respectively connected with the main fan 3, the heater 5, the dehumidifying gas pipeline 6 and the dry air pipeline 7 through four valves 8, and the dehumidifying devices enter different working states through the switching of the valves 8. A dehumidification subsystem is formed by the main fan 3 and the dehumidification gas pipeline 6, or a dehumidification device drying subsystem is formed by the drying air fan 4, the heater 5 and the drying air pipeline 7.
In some embodiments, the first and second dehumidification devices comprise a dehumidifier core 1 and a dehumidifier shell 2, and the dehumidifier shell 2 is used for accommodating the dehumidifier core and forming an air channel. The moisture-containing gas directly enters the cylindrical dehumidifier core 1 through the dehumidification gas pipeline 6, is dehumidified by the dehumidifier core 1 and then enters the dehumidifier shell 2. As a preferred embodiment, the dehumidifier core 1 is of a cylindrical structure, dehumidifying materials are filled in a middle gap formed by the inner cylinder and the outer cylinder, the dehumidifier shell 2 is provided with an access door so as to facilitate the maintenance and replacement of the dehumidifier core, and the bottom of the dehumidifier shell is provided with a drain hole for draining water. The dehumidifying material can adopt silica gel or resin and the like.
In some embodiments, the main blower 3 and/or the dry air blower 4 are/is a high-efficiency centrifugal blower, the blower is variable-frequency and adjustable in air volume, and the blower and the pipeline can be in flexible connection.
In some embodiments, the heater 5 is an electric heater, and the heating power is adjustable.
In some embodiments, the valve 8 is a switch-type vent butterfly valve, which may be a pneumatic or electric switch.
In some embodiments, the online dehumidification system further includes a control unit and a humidity detection instrument, the humidity detection instrument is disposed at the dehumidified gas outlet and the dry air outlet, and the control unit controls the valve 8 to switch on and off according to data detected by the humidity detection instrument, so as to achieve continuous online dehumidification of the system.
The invention also provides an online dehumidification method, which uses the online dehumidification system to carry out continuous online dehumidification and comprises the following specific processes:
moisture-containing gas enters a first dehumidifying device through a dehumidifying gas pipeline 6 for dehumidifying, and is sent to a required place by a main fan 3, when the gas humidity at the outlet of the main fan 3 is increased to a set humidity, a second dehumidifying device is switched through a valve 8 for dehumidifying, and the first device is switched for drying and regeneration;
air enters a heater 5 through a dry air fan 4 to be heated, then enters a first dehumidifying device, and is discharged through a dry air pipeline 7, when the humidity of the air at the outlet of the dry air pipeline is reduced to the set humidity, the first dehumidifying device can dehumidify again, at the moment, a switching valve 8 closes a drying passage, and the device can be used as a standby dehumidifying device for the next use;
when the humidity of the gas outlet of the second dehumidifying device reaches the set humidity, the first dehumidifying device is switched to dehumidify through the valve 8, the second dehumidifying device is switched to dry and regenerate, and when the humidity of the gas outlet of the second dehumidifying device is reduced to the set dry humidity, the drying is finished, and the second dehumidifying can be carried out again; the operation is repeated in such a circulating way, and the continuous online operation of the system is ensured.
In consideration of the convenience of practical operation, some embodiments also set a fixed switching time according to the parameters of the moisture-containing gas, the usage amount of the dehumidifying material and the like through calculation to perform switching use of the two sets of dehumidifying systems. In view of the economy of the system operation, some embodiments, from the heater 5 point of view, perform a humidity detection of the drying air, without activating the heater 5 when the drying air humidity is low. Considering the expandability of system capacity, three or more sets of dehumidification devices can be switched and reused according to the requirements of system processing.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application.
Claims (10)
1. The utility model provides an online dehumidification system, a serial communication port, including a plurality of dehydrating unit, and main fan (3), dry air fan (4), heater (5), dehumidification gas pipeline (6), dry air pipeline (7) and valve (8), every dehydrating unit connects main fan (3) respectively through four valve (8), heater (5), dehumidification gas pipeline (6), dry air pipeline (7), through the switching of valve (8), dehydrating unit is connected with main fan (3) and dehumidification gas pipeline (6), it carries out gaseous dehumidification to constitute the dehumidification branch system, or with heater (5), dry air fan (4) and dry air pipeline (7) are connected, it carries out the device drying to constitute the dry branch system of dehydrating unit.
2. An on-line dehumidification system according to claim 1, wherein the dehumidification device comprises a dehumidifier core (1), a dehumidifier shell (2), and the dehumidifier shell (2) is used for holding the dehumidifier core and forming the gas channel.
3. An on-line dehumidification system as claimed in claim 2, wherein said dehumidifier core (1) is cylindrical, the dehumidification material is filled in the gap between the inner and outer cylinders, said dehumidifier shell (2) is provided with an access door to facilitate the maintenance and replacement of the dehumidifier core, and the bottom of the dehumidifier shell is provided with drain holes for draining water.
4. An on-line dehumidification system as recited in claim 3 wherein said desiccant material is silica gel or resin.
5. An on-line dehumidification system according to claim 1, wherein the main fan (3) and/or the drying air fan (4) is a centrifugal fan, and a flexible connection is provided between the fan and the pipeline.
6. An on-line dehumidification system according to claim 1, wherein the heater (5) is an electric heater.
7. An on-line dehumidification system according to claim 1, wherein said valve (8) is a ventilation butterfly valve of the on-off type, in pneumatic or electric form.
8. The online dehumidification system of claim 1, further comprising a control unit and a humidity detection instrument, wherein the control unit controls the on-off switching of the valve (8) according to the data detected by the humidity detection instrument, so as to realize the continuous online dehumidification of the system.
9. An online dehumidification method, characterized in that the online dehumidification system of any one of claims 1 to 8 is used for continuous online dehumidification, and specifically comprises the following steps:
moisture-containing gas enters one of the dehumidifying devices through a dehumidifying gas pipeline (6) for dehumidifying, and then is sent to a required place through a main fan (3), when the gas humidity at the outlet of the main fan (3) is increased to a set humidity, other dehumidifying devices are switched through a valve (8) for dehumidifying, and the devices are switched for drying and regeneration;
air enters a heater (5) through a dry air fan (4) to be heated, then enters a dehumidifying device needing drying and regeneration, and is discharged through a dry air pipeline (7), when the humidity of the air at the outlet of the dry air pipeline is reduced to the set humidity, the drying is finished, a switching valve (8) closes a drying passage, and the device is used as a standby dehumidifying device for next use.
10. An on-line dehumidification method as claimed in claim 9, wherein the switching of the state of the dehumidification device is performed by setting a switching time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010981482.9A CN112107971A (en) | 2020-09-17 | 2020-09-17 | Online dehumidification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010981482.9A CN112107971A (en) | 2020-09-17 | 2020-09-17 | Online dehumidification system |
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| Publication Number | Publication Date |
|---|---|
| CN112107971A true CN112107971A (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010981482.9A Pending CN112107971A (en) | 2020-09-17 | 2020-09-17 | Online dehumidification system |
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| CN (1) | CN112107971A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112755724A (en) * | 2021-02-01 | 2021-05-07 | 中国科学院广州能源研究所 | Adsorption dehumidification device and method with built-in fan-shaped reversing valve group |
| CN112904922A (en) * | 2021-03-10 | 2021-06-04 | 中国水利水电科学研究院 | Test device for generating, transmitting and monitoring geotechnical test temperature control dry air |
| CN113859507A (en) * | 2021-08-31 | 2021-12-31 | 广州文冲船舶修造有限公司 | Rust-resistant dehumidification system in cabin |
| CN115121094A (en) * | 2022-06-28 | 2022-09-30 | 北京京仪大气环保科技有限公司 | Intelligent gas dehumidifier |
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| CN205517124U (en) * | 2016-04-05 | 2016-08-31 | 苏州纳轮环保科技有限公司 | Organic waste gas processing apparatus based on fixed molecular sieve adsorption bed |
| CN206424745U (en) * | 2016-12-30 | 2017-08-22 | 农业部规划设计研究院 | A kind of high efficiency active carbon adsorbing and removing VOCs devices |
| CN214106400U (en) * | 2020-09-17 | 2021-09-03 | 扬州海通电子科技有限公司 | Online dehumidification system |
-
2020
- 2020-09-17 CN CN202010981482.9A patent/CN112107971A/en active Pending
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| JP2002079031A (en) * | 2000-09-07 | 2002-03-19 | Mitsubishi Kakoki Kaisha Ltd | Pressure swing adsorbing apparatus for manufacturing highly concentrated oxygen |
| CN203869221U (en) * | 2013-12-16 | 2014-10-08 | 内蒙古科技大学 | Multi-hole working medium dehumidification experimental system for regeneration by means of solar heat collection |
| CN205517124U (en) * | 2016-04-05 | 2016-08-31 | 苏州纳轮环保科技有限公司 | Organic waste gas processing apparatus based on fixed molecular sieve adsorption bed |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112755724A (en) * | 2021-02-01 | 2021-05-07 | 中国科学院广州能源研究所 | Adsorption dehumidification device and method with built-in fan-shaped reversing valve group |
| CN112755724B (en) * | 2021-02-01 | 2022-06-21 | 中国科学院广州能源研究所 | Adsorption dehumidification device and method with built-in fan-shaped reversing valve group |
| CN112904922A (en) * | 2021-03-10 | 2021-06-04 | 中国水利水电科学研究院 | Test device for generating, transmitting and monitoring geotechnical test temperature control dry air |
| CN112904922B (en) * | 2021-03-10 | 2021-11-23 | 中国水利水电科学研究院 | Test device for generating, transmitting and monitoring geotechnical test temperature control dry air |
| CN113859507A (en) * | 2021-08-31 | 2021-12-31 | 广州文冲船舶修造有限公司 | Rust-resistant dehumidification system in cabin |
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| CN115121094A (en) * | 2022-06-28 | 2022-09-30 | 北京京仪大气环保科技有限公司 | Intelligent gas dehumidifier |
| CN115121094B (en) * | 2022-06-28 | 2024-05-31 | 北京京仪大气环保科技有限公司 | Intelligent gas dehumidifier |
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