WO2014077479A1 - 압축열을 이용한 블로워 넌 퍼지 운전방식의 흡착식 공기 건조 시스템 - Google Patents
압축열을 이용한 블로워 넌 퍼지 운전방식의 흡착식 공기 건조 시스템 Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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- 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
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- 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
- B01D53/0407—Constructional details of adsorbing systems
- B01D53/0423—Beds in columns
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- 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
- B01D53/0454—Controlling adsorption
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- 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
- B01D53/0462—Temperature swing adsorption
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/1411—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B17/00—Sorption machines, plants or systems, operating intermittently, e.g. absorption or adsorption type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B17/00—Sorption machines, plants or systems, operating intermittently, e.g. absorption or adsorption type
- F25B17/08—Sorption machines, plants or systems, operating intermittently, e.g. absorption or adsorption type the absorbent or adsorbent being a solid, e.g. salt
- F25B17/083—Sorption machines, plants or systems, operating intermittently, e.g. absorption or adsorption type the absorbent or adsorbent being a solid, e.g. salt with two or more boiler-sorbers operating alternately
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/104—Alumina
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
- B01D2253/108—Zeolites
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
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- 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
- B01D2259/40003—Methods relating to valve switching
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- 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
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
- B01D2259/40043—Purging
- B01D2259/4005—Nature of purge gas
- B01D2259/40052—Recycled product or process gas
- B01D2259/40054—Recycled product or process gas treated before its reuse
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- 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
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
- B01D2259/40058—Number of sequence steps, including sub-steps, per cycle
- B01D2259/4006—Less than four
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- 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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- 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
- B01D2259/402—Further details for adsorption processes and devices using two beds
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- 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
- B01D53/265—Drying gases or vapours by refrigeration (condensation)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
Definitions
- the present invention relates to an adsorptive air drying system, and more particularly, the flow path configuration of the system is simple, the number of components to be controlled, such as a valve, which requires complicated control according to the operating state, is reduced, and the system configuration cost can be greatly reduced. You are concerned with adsorptive air drying systems with purge operation.
- the air drying system is a system that removes moisture contained in the air, and is used in various industries throughout the industry, such as various automated equipment requiring dry air, semiconductor manufacturing processes, and production lines of chemical processes that cause chemical reactions when moisture is contacted. Used in the field
- the air drying system uses a refrigeration compressor to lower the temperature of the compressed air and then condensate the moisture contained in the compressed air to remove moisture from the air, and the air using an adsorbent, a dehumidifying agent, and an absorbent. It is divided into adsorption type air drying system that absorbs moisture contained in it.
- the adsorption type air drying system is classified into a heat adsorption type air drying system for regenerating the adsorbent using a predetermined heat source and a non-heating adsorption type air drying system for regenerating the adsorbent using only regeneration air according to the regenerating method of the deciccant.
- a circulating heating adsorption air drying system that circulates compressed air in a compressor to regenerate an adsorbent, and an acyclic heating in which external air is sucked in to regenerate the adsorbent and the air used is discharged to the outside It is divided into adsorption air drying system.
- adsorption type air drying system there are various types of adsorption type air drying systems such as Korean Patent No. 10-0701218, Korean Patent No. 10-0750190, Korean Patent No. 10-0793980, Korean Patent No. 10-0976553, and the like. Is disclosed.
- FIGS. 1 to 3 show conventional exemplary adsorption air drying systems.
- the adsorption air drying system includes two towers 100a and 100b in which an adsorbent is embedded, a production line 110 for producing dry air, a regeneration line 120 for tower regeneration, and Cooling line 130 for tower cooling, and valve devices (140a, 140b) installed in the production line 110, regeneration line 120 and cooling line 130 to switch the flow of air, and the production Coolers 150a and 150b and separators 160a and 160b respectively installed in the line 110 and the regeneration line 120 to cool the air and separating water, and installed in the regeneration line 120 to heat the air.
- Heater 170, and a plurality of valves (180a ⁇ 180e) for intermittent air is installed over each line and the like.
- reference numeral 210 denotes a compressor that provides compressed air.
- Production operation is the operation state to produce dry air by adsorbing moisture in the air
- regeneration heating operation is the operation state to regenerate the adsorbent by desorbing the moisture adsorbed on the adsorbent in the tower by heating the air and then supplied to the tower
- the regenerative cooling operation is an operation state in which a tower that is overheated after the regeneration is cooled.
- compressed air supplied by the compressor 210 is branched at the first branch point 190a to flow about 70% to the production line 110, and about 30% of the compressed air is recycled. Flow to 120.
- the flow distribution of the compressed air at the first branch point 190a can be adjusted through a flow control valve or orifice.
- the air flowing to the production line 110 is cooled and separated through the first cooler 150a and the first separator 160a, and then continues through the confluence point 200 to pass the first valve device 140a. It flows into the first tower (100a) through.
- the air introduced into the first tower (100a) is water is removed from this, and the dry air from which the water is removed is sent to the process after passing through the second valve device (140b).
- 30% of the compressed air branched from the first branch point 190a flows to the regeneration line 120 at a temperature of 80 to 170 ° C., and the air flowing to the regeneration line 120 is required for regeneration by the heater 170. After heating to a predetermined temperature, for example, 120 to 250 ° C., it is introduced into the second tower 100b via the second valve device 140b.
- the regenerated heating air passes through the first valve device 140a, the second cooler 150b, and the second separator 160b in turn, and then flows through the production line 110 at the confluence point 200. After joining it is sent to the first tower (100a) undergoes a drying process.
- cooling and water are separated through the first cooler 150a and the first separator 160a while the compressed air supplied by the compressor 210 flows along the production line 110.
- about 70% of the branched at the second branch point 190b and decompressed by the flow control valve 200a continues to flow to the production line 110, and the remaining about 30% flows to the cooling line 130. .
- reference numeral 180b is a flow control valve installed in the cooling line 130.
- the air flowing to the production line 110 flows into the first tower 100a through the first valve device 140a through the confluence point 200, and the air introduced into the first tower 100a is thus Moisture is removed and the dry air from which the moisture is removed is sent to the process after passing through the second valve device 140b.
- the air flowing into the cooling line 130 is introduced into the second tower 100b via the first valve device 140a, and the second tower 100b is formed by the air introduced into the second tower 100b. Cooling is achieved.
- the air enters from below the second tower 100b and shows upward flow (bottom-up method).
- the cooled air passes through the second valve device 140b, the second cooler 150b, and the second separator 160b in order, and then joins the air flowing through the production line 110 with the confluence point 200. After the first tower (100a) is sent to go through the drying process.
- the air flow is formed by the top-down method of the tower, and in the regenerative cooling process, the air flow is formed by the bottom-up method of the tower.
- the number of components, such as a valve, is also increased.
- the present invention has been created to solve the above problems, the configuration of the flow path of the system is simple, the number of components to be controlled, such as a valve requiring complex control according to the operating state is reduced, system configuration cost and maintenance cost
- the purpose is to provide an adsorptive air drying system which can be greatly reduced.
- the present invention is to provide an adsorption air drying system that can be used under a variety of pressure conditions, and has a configuration that can compensate for the pressure loss generated during the non-purging process to enable smooth operation even in the pressure fluctuation of the system. have.
- the first tower and the second tower in which the adsorbent is embedded A main line for supplying the compressed air supplied from the compressor to each tower; A regeneration line branched from the main line and distributed with compressed air for regenerating adsorbents in each tower; A first connection line connected to one side and the other side of the first tower for air inlet / outlet for passing air to the first tower; A second connection line connected to one side and the other side of the second tower for air inlet / outlet for passing air to the second tower; A discharge line through which the dry air adsorbed by the adsorbent in the tower is discharged; A confluence line for joining air, which has undergone adsorbent regeneration or tower cooling, to the main line in a tower connected to the main line to perform adsorbent regeneration; A boosting line branched from the discharge line and connected to a regeneration line; A blower installed at the boosting line to feed dry air from the discharge line to the regeneration line; A four-way valve 1
- the heater for heating the compressed air for adsorbent regeneration on the regeneration line is preferably installed.
- the compressed air flowing through the regeneration line and the dry air pumped to the regeneration line through the boosting line are sequentially supplied to the tower where the regeneration process is performed through the 4-way valve 2, so that the adsorbent regeneration heating and tower cooling in the tower are sequentially performed. It is preferable to make it.
- the main line and the discharge line are connected to the air inlet / outlet connection line of any one of the first tower and the second tower by the 4-way valve 1 and the 4-way valve 2, and the joining line and the regeneration line are remaining. It is desirable to be connected to the other air inlet / outlet connection line, so that one of the two towers produces dry air, and the other to allow adsorbent regeneration heating and tower cooling.
- first connecting line and the second connecting line connected to the lower part of each tower by the four-way valve 1 is selectively connected to the main line and the confluence line, and the upper part of each tower by the four-way valve 2
- Connected first and second connection lines are selectively connected to the regeneration line and the discharge line, so that the bottom-up air flow is made in the tower during the production of dry air, and the tower in the tower during the adsorbent regeneration heating and tower cooling It is desirable to allow air flow in a down-down fashion.
- the adsorptive air drying system of the present invention has the following advantages.
- the flow path of the system is simple, the number of components to be controlled such as a valve requiring complicated control is reduced according to the operating state, and the system configuration cost and maintenance cost can be greatly reduced.
- blower pressing up compensates for the pressure loss that occurs during the non-purging process, enabling smooth operation even when the system pressure fluctuates.
- Non-purging process can be operated under various pressure conditions from low pressure to high pressure, and because branched gas is not purged after regeneration (ie, is not thrown into the atmosphere), it is more efficient, economical and advantageous in terms of productivity.
- FIG. 1 is a schematic view showing a conventional adsorptive air drying system.
- Figure 2 is a schematic diagram showing the air flow during the production and regeneration process in a conventional adsorption air drying system.
- FIG. 3 is a schematic diagram showing air flow during production and cooling processes in a conventional adsorption air drying system.
- FIG. 4 is a schematic diagram illustrating an adsorptive air drying system according to an embodiment of the present invention.
- FIG 5 is a view showing an operating state in which the regenerative heating is performed in the second tower at the same time as the dry air production of the first tower in the system of the present invention.
- FIG. 6 is a view showing an operating state in which the cooling of the second tower is performed simultaneously with the production of the dry air of the first tower in the system of the present invention.
- FIG. 7 is a view showing an operating state in which the regenerative heating is performed in the first tower at the same time as the dry air production of the second tower in the system of the present invention.
- FIG. 8 is a view showing an operating state in which the cooling of the first tower is performed simultaneously with the production of dry air of the second tower in the system of the present invention.
- Figure 4 is a schematic diagram showing an adsorption air drying system of the blower non purge operation method according to an embodiment of the present invention.
- the adsorption air drying system according to the present invention has a heating configuration in which heated air is supplied to a tower to be used for regeneration of a desiccant, and the branched gas is used for regeneration heating process or cooling process and then used to produce dry air.
- a heating configuration in which heated air is supplied to a tower to be used for regeneration of a desiccant, and the branched gas is used for regeneration heating process or cooling process and then used to produce dry air.
- the adsorption-type air drying system has a system configuration that uses the heat of compression of the air supplied by the compressor 1 in the regeneration heating process and supplements the remaining amount of heat required for regeneration by using the heater 25, It comprises a blower 29 which can compensate for the pressure loss occurring during the purge process.
- first tower 10a and the second which are filled with a predetermined adsorbent, for example, silica gel, activated alumina, molecular sieve, etc.
- a predetermined adsorbent for example, silica gel, activated alumina, molecular sieve, etc.
- the first tower (10a) and the second tower (10b) is a tower conversion is made to change the operation state to the production tower and regeneration tower as in the prior art, in the following description of the production tower is from the air passing through the interior Means the tower in the operating state to produce dry air by adsorbing moisture by using the adsorbent, the regeneration tower is a tower in the operating state where the regeneration heating process (adsorbent moisture desorption and regeneration) and the regeneration cooling process (tower cooling) is performed Note that it means.
- the compressor (1) may be applied to a screw-type compressor or a turbo-type compressor, through which it is possible to supply high temperature compressed air having a temperature of about 90 ⁇ 120 °C.
- the main line 2 extends from the compressor 1 and is connected to the 4-way valve 1 31 which will be described later.
- the main line 2 is included in the first cooler 21 for cooling the air, in the air.
- the first separator 22 for separating the water and the check valve 23 for preventing the reverse flow are provided in this order.
- the first cooler 21 is for cooling the compressed air supplied by the compressor 1, and the high temperature and high pressure compressed air supplied to the tower (production tower) through the main line 2 is a predetermined temperature. Cooling with air in a range, such as about 40 ° C. or less.
- the first separator 22 is for separating and removing water in the air cooled and condensed by the first cooler 21, and the air from which the water is primarily removed is supplied to the production tower, and is a cyclone type.
- an additional type of demister can be applied to the cyclone.
- the regeneration line 3 is branched from the main line 2 to the first branch point 2a set to a position upstream of the first cooler 21, and the regeneration line 3 is connected from the main line 2. It extends and is connected to the 4-way valve 2 (32) side.
- the regeneration line 3 is a heating line through which compressed air supplied by the compressor 1, that is, air having compressed heat flows.
- the heater 25 is installed on the regeneration line 3 to heat the compressed air to be supplied to the regeneration tower in a position adjacent to the first valve 24 for controlling the flow of compressed air and the rear end connected to the 4-way valve 2 (32) side.
- the heater 25 is an auxiliary air heating means for further increasing the temperature of the air to be used for regeneration to a target temperature, and supplies the remaining amount of heat that is insufficient only by the heat (compression heat) of the air compressed by the compressor 1.
- the heater 25 When the heater 25 is turned on, the air passing through the heater 25 rises to a temperature of about 120 to 250 ° C., and is then sent to the tower where regeneration is performed.
- the heater 25 remains on during the adsorbent regeneration heating process to heat the compressed air, but is controlled off during the tower cooling process.
- the 4-way valve 1 31 to which the main line 2 is connected has a first connection line 11 on one side of the first tower 10a and a second connection line 12 on one side of the second tower 10b.
- the first and second connection lines 11 and 12 are air inlet / outlet lines of the towers 10a and 10b, and the first connection line 11 is one side of the first tower 10a.
- the inlet / outlet line is connected to each other and the other side, the second connection line 12 is the inlet / outlet line respectively connected to one side and the other side of the second tower (10b).
- each connection line 11 and 12 on the other side of each tower are connected to the 4-way valve 2 32, each connection line 11 and 12 is formed between the towers 10a and 10b. In this way, the flow path structure is formed between the 4-way valve 1 (31) and the 4-way valve 2 (32).
- the main line 2, the first connection line 11, and the second connection line 12 are connected to the four-way valve 1 31 so that these lines are formed around the four-way valve 1 31.
- Four-way valve 2 32, the first connection line 11 and the second connection line 12 opposite to each tower (10a, 10b) is connected separately to these four-way valve (32) It has a structure in which two flow paths are formed around this 4-way valve 2 (32).
- the upstream first connecting line 11 around the first tower 10a is compressed into the first tower 10a.
- the downstream first connection line 11 is a line through which the dry air from which moisture is removed by the adsorbent is discharged while passing through the first tower 10a.
- the upstream second connection line 12 around the second tower 10b is Air for adsorbent regeneration heating (hot compressed air additionally heated by the heater of the regeneration line) becomes a line to be supplied to the second tower 10b (during the regeneration heating process), or air for tower cooling (described in detail below) Dry air supplied by the blower of a line becomes a line supplied to the 2nd tower 10b (at the time of a regeneration cooling process).
- the upstream second connection line 12 is supplied with compressed air to the second tower 10b around the second tower 10b.
- the downstream second connection line 12 is a line through which the dry air from which moisture is removed by the adsorbent is discharged while passing through the second tower 10b.
- the upstream first connection line 11 centering on the first tower 10a serving as the regeneration tower at this time is air for adsorbent regeneration heating (compressed hot air further heated by a heater of the regeneration line).
- the four-way valve 1 (31) is further connected to the confluence line (5) connected to the main line (2), the confluence line (5) is connected to the remaining one flow path of the four-way valve 1 (31)
- the confluence line 5 is a line connecting the 4-way valve 1 (31) and the main line (2).
- the four-way valve 1 (31) is a valve that is connected to a total of four lines of the main line (2), the first and second connection lines (11, 12), the confluence line (5), these four It is a flow control valve that sets and optionally changes the flow path of air between lines.
- the first and second connection lines connected to the main line 2, the confluence line 5, and the lower side of each tower 10a and 10b are connected to the 4-way valve 1 31. 11, 12) are connected.
- the confluence line 5 is a line in which the air discharged after the regeneration heating or regeneration cooling process is completed in the tower (regeneration tower) in which the adsorbent regeneration is performed to the main line (2) for use in the production of dry air, It is connected to the confluence point 2c of the main line 2 set to the rear end of the check valve 23 and the front end of the 4-way valve 1 31.
- a component for changing the state of the air discharged from the regeneration tower that is, a second cooler 26 for condensing moisture by cooling the hot and humid air discharged from the regeneration tower, and air
- a second separator 27 is installed to separate and remove water contained in the inside.
- the four-way valve 2 (32) is connected to the discharge line (4) for discharging the final drying air after the drying process in the production tower, the dry air discharged through the discharge line (4), that is, the demand source It is sent to various automation equipment, semiconductor manufacturing process, chemical process production line, and used.
- the four-way valve 2 32 is a valve in which a total of four lines of the discharge line 4, the first and second connection lines 11 and 12, and the regeneration line 3 are connected. It is a flow control valve that sets and optionally changes the flow path of air between lines.
- first and second connection lines 11 and 12 connected to the discharge line 4 and the upper sides of the towers 10a and 10b are connected to the four-way valves 2 32 and the regeneration.
- the line 3 is connected.
- a boosting line 6 connecting between the discharge line 4 and the regeneration line 3 is provided, and the boosting line 6 has a second valve 28 for controlling the flow of air and a second A blower 29 is provided for pumping the dry air of the discharge line 4 to the regeneration line 3 with the valve 28 open.
- reference numeral 23a denotes a check valve installed at the outlet side of the blower 29 in the boosting line 6.
- the boosting line 6 is installed to connect between the second branch point 4a positioned in the discharge line 4 and the connection point 3a positioned in the regeneration line 3, wherein the connection point 3a is a regeneration line.
- the heater 25 can be set to the front end (upstream side) or the rear end (downstream side) position.
- the boosting line 6 is a line for supplying air to be used in the cooling process to the regeneration tower (tower in a state requiring cooling after the regeneration heating process) through the regeneration line 3, the cooling of the regeneration tower in the present invention
- the air used for this purpose is the dry air discharged from the production tower.
- the air used for cooling in the regeneration tower that is, the first tower 10a or the second tower 10b, as described above, is connected to the first connection line 11 or the second connection line downstream from the tower. (12) after being discharged through (connection line connected to the bottom of each tower), it is transferred to the confluence line (5) by the 4-way valve 1 (31), and then joined again to the main line (2) production tower Used to produce dry air.
- the pressure is reduced by using the flow control valve, but in the present invention, the pressure increase blower 29 is used to induce the pressure fluctuation and the boost of the outlet air.
- look at the operating state of the adsorption-type air drying system configured as described above are as follows.
- FIG. 5 is a view illustrating an operation state in which dry air is produced in the first tower 10a and adsorbent regeneration heating is performed in the second tower 10b
- FIG. 6 is a production of dry air in the first tower 10a. This is a view showing an operating state in which tower cooling of the second tower 10b is performed at the same time.
- the second tower (10b) is a water desorption and regeneration of the adsorbent through a regeneration heating process, and then the temperature of the second tower (10b) When the temperature rises above a predetermined temperature, cooling of the second tower 10b is performed through a regeneration cooling process (regeneration heating and cooling processes are sequentially performed in the second tower).
- Figures 7 and 8 are views showing the state of the tower switching
- Figure 7 is a view showing the operating state in which the regeneration heating is performed in the first tower (10a) at the same time as the dry air production of the second tower (10b)
- 8 is a view showing an operating state in which cooling of the first tower 10a is performed simultaneously with the production of dry air of the second tower 10b.
- Sequential changeover of the process includes opening and closing control of the first and second valves 28, selective drive control of the heater 25 and blower 29, four-way valve 1 31 and four-way valve 2 32. Is made through drive control (euro control).
- FIG. 5 an air flow path is shown when the first tower 10a is produced and the second tower 10b is regenerated (heated).
- the first valve 24 is open and the heater 25 is turned on. (on), the 2nd valve 28 is controlled to the closed state, and the blower 29 is controlled to the off state.
- the 4-way valve 1 31 is operated as the main tower.
- the confluence line 5 communicates with each other, and the 4-way valve 2 32 is connected to the first connection line 11 and the discharge line 4 downstream of the first tower 10a (tower upper side), the discharge line 4, and the regeneration line.
- (3) and the second connection line 12 on the upstream side (tower upper side) of the second tower 10b are controlled to communicate with each other.
- the dry air production of the first tower (10a) is a buttom-up method
- the air flow method during the regeneration heating process of the second tower (10b) is a top-down method
- the air flow method in the cooling process of the tower 10b is also made of a top-down method (both top-down flow methods in the regeneration heating / cooling process of the regeneration tower).
- the compressed air of high temperature (about 90 to 120 ° C.) supplied from the compressor 1 is connected to the main line 2 and the regeneration line 3 by a flow control valve or orifice not shown at the first branch point 2a.
- a part of the total flow rate for example, 5-30% of the total flow rate, is distributed to the regeneration line 3 and used for regeneration heating to the second tower 10b.
- the compressed air supplied through the main line 2 is cooled and removed while passing through the first cooler 21 and the first separator 22, and then the check valve 23 and the 4-way valve 1 31 are removed. After roughing, it is transferred to the upstream side (lower side) first connection line 11 of the first tower 10a used as a production tower, and then the first tower 10a through the upstream first connection line 11. It is introduced into the first tower (10a) undergoes a drying process by the adsorption of moisture in the adsorbent.
- the compressed air is introduced into the lower portion of the first tower (10a) after cooling to a predetermined temperature, for example, about 40 °C or less and water is removed, and in contact with the adsorbent while passing through the first tower (10a) The moisture is completely removed and converted to dry air.
- the dry air exiting through the upper portion of the first tower 10a is discharged through the downstream (upper side) first connection line 11 of the first tower 10a and then the 4-way valve 2 (32). In the flow to the discharge line (4), it is then sent to the various demand destinations through the discharge line (4).
- the compressed air distributed to the regeneration line 3 is heated to a temperature of about 120 to 250 ° C. while passing through the heater 25 to compensate for insufficient heat, and then the air heated to a high temperature is a 4-way valve 2 ( It is delivered to the second connection line 12 upstream (upper side) of the second tower (10b) through the 32 and flows into the upper portion of the second tower (10b).
- the air having risen to the target temperature required for regeneration enters through the upper part of the second tower 10b, and desorbs the moisture of the adsorbent charged in the tower, and then continuously lowers the lower part of the second tower 10b. To get out of it.
- the hot and humid air exiting the second tower 10b is discharged to the second connection line 12 downstream (lower side) of the second tower 10b and merges through the 4-way valve 1 31. And flows to (5), and then joins from confluence point 2c to main line 2 in a state in which cooling and water are separated by second cooler 26 and second separator 27 in confluence line 5.
- the air that has undergone the regenerative heating process in the second tower 10b joins the new compressed air supplied from the compressor 1 through the main line 2 to the first tower 10a, and then the first tower 10a. ) Is used to produce dry air.
- the regeneration cooling process in the second tower 10b is performed simultaneously with the production of dry air of the first tower 10a.
- FIG. The air flow path is shown when the first tower 10a is produced and the second tower 10b is regenerated (cooled).
- the first valve 24 is closed, the heater 25 is off, and the second valve is Reference numeral 28 is an open state, the blower 29 is switched to an on state, and the flow path opening / closing state of the 4-way valve 1 31 and the 4-way valve 2 32 is maintained as it is.
- the production process in the first tower (10a) is the same state, the four-way valve 2 (32) after being discharged through the downstream (upper side) first connecting line 11 from the top of the first tower (10a) A part of the drying air moved to the discharge line 4 through) is distributed to the boosting line 6 at the second branch point 4a.
- a part of the total flow rate of the dry air for example, 10% of the total flow rate of air is distributed to the boosting line 6 and used for regenerative cooling of the second tower 10b.
- part of the dry air is sucked and pumped into the boosting line 6 by driving the blower 29 while the second valve 28 is opened, and flows from the connection point 3a to the regeneration line 3, Thereafter, after passing through the heater 25 in the off state in the regeneration line 3, the 4-way valve 2 32 is transferred to the second connection line 12 upstream (upper side) of the second tower 10b. .
- the dry air thus transferred is then introduced into the upper portion of the second tower 10b to cool the heated second tower 10b during the regeneration heating process, and then downstream from the lower portion of the second tower 10b (lower side). After being discharged to the second connection line 12, it flows from the 4-way valve 1 (31) to the confluence line (5).
- the air used for cooling the second tower 10b flows along the confluence line 5 and is cooled by the second cooler 26 and condensed with moisture in the air, followed by condensation of water in the second separator 27. After separation and removal, the confluence is joined to the main line 2 at the confluence point 2c.
- the air that has completed the regenerative cooling process in the second tower 10b is joined with the new compressed air supplied from the compressor 1 to the first tower 10a through the main line 2, and then the first tower 10a. Will be used to produce dry air.
- the blower 29 blows dry air sucked from the discharge line 4 through the second branch point 4a at a predetermined pressure, for example, in the boosting line 6, for example.
- the pressure is increased to a pressure of 0.1 ⁇ 0.2 bar to be sent to the regeneration line (3), the blower 29 to compensate for the pressure loss generated during the non-purging process to ensure a smooth operation even in the pressure fluctuations of the entire system.
- the regeneration process for the first tower (10a) should be made, for this purpose in the second tower (10b) as shown in Figs.
- a tower change is performed in which a regeneration process is performed in the first tower 10a.
- drying air production and regeneration processes are alternately changed in each tower 10a and 10b, and this tower switching is performed by changing the flow path of each valve through the drive control of the two 4-way valves 31 and 32. Is made by
- the production of dry air of the second tower (10b) is a buttom-up method
- the air flow method in the regeneration heating process of the first tower (10a) is made of a top-down method
- the first tower (10a) Air flow in the cooling process is also a top-down method.
- FIG. 7 an air flow path during the production of the second tower 10b and the regeneration heating of the first tower 10a is shown.
- FIG. 8 the production of the second tower 10b and the cooling of the first tower 10a is illustrated.
- the city's air flow path is shown.
- the first tower (10a) is a regeneration tower and the second tower (10b) is a production tower
- the second tower (10b) through the main line (2) in accordance with the conversion of the tower Air is supplied and the dry air is discharged from the second tower (10b) to the discharge line (4), heated air through the heater 25 of the regeneration line (3) is supplied to the first tower (10a)
- the air used for adsorbent regeneration (adsorbent moisture desorption) in one tower (10a) is joined to the main line (2) through the confluence line (5) and used to produce dry air
- blower of the boosting line (6) 29 is supplied to the first tower (10a) through the regeneration line (3) and the air used for cooling in the first tower (10a) through the confluence line (5) to the main line (2)
- the operating state of the first tower 10a and the second tower 10b is opposite to those of Figs. 5 and 6, such as being used to join and produce dry air.
- the basic procedure and principles of the regenerative heating / cooling process There is no difference in the basic procedure
- the compressed air supplied from the compressor 1 is distributed to the main line 2 and the regeneration line 3, and the compressed air supplied through the main line 2 is provided in the first cooler 21 and the first separator ( 22), via the check valve 23 and the four-way valve 1 (31) is transferred to the upstream (lower side) second connection line 12 of the second tower (10b) used as a production tower, and then upstream It is introduced into the lower portion of the second tower (10b) through the side second connection line 12 is subjected to a drying process by the adsorption of moisture in the adsorbent in the second tower (10b).
- the dry air discharged from the upper portion of the second tower 10b is discharged through the downstream (upper side) second connection line 12 of the second tower 10b, and then, at the 4-way valve 2 32. It flows to the discharge line 4, and is then sent to the various demand destinations through the discharge line (4).
- the compressed air distributed to the regeneration line 3 is heated while passing through the heater 25 to compensate for the remaining amount of heat required for regenerating the adsorbent (adsorbent moisture desorption), and then the heated air is supplied to the 4-way valve 2 (32). After being transmitted to the first connection line 11 upstream (upper side) of the first tower (10a) is introduced into the upper portion of the first tower (10a).
- the air whose temperature is raised to the target temperature required for regeneration enters the upper portion of the first tower 10a and desorbs the moisture of the adsorbent inside the tower. Then, the first connection downstream of the first tower 10a (lower side) is performed. It is discharged to the line 11 and flows to the confluence line 5 through the 4-way valve 1 (31).
- the confluence point 2c is joined to the main line 2 at the confluence point 2c, and the compressor 1 is connected through the main line 2. It is used to produce dry air in the second tower (10b) after joining the new compressed air supplied to the second tower (10b).
- the regeneration cooling process in the first tower (10a) is performed simultaneously with the production of dry air of the second tower (10b), the second tower (10b) ), Some of the dry air discharged to the discharge line (4) through the downstream (upper side) second connecting line 12 and the 4-way valve 2 (32) at the second branch point (4a) to the boosting line (6) )
- part of the dry air is sucked and pumped into the boosting line 6 by driving the blower 29 while the second valve 28 is opened, and flows from the connection point 3a to the regeneration line 3, Thereafter, after passing through the heater 25 in the off state in the regeneration line 3, the 4-way valve 2 32 is transferred to the upstream (upper side) first connection line 11 of the first tower 10a. .
- the dry air thus transferred is then introduced into the upper portion of the first tower 10a to cool the heated first tower 10a during the regeneration heating process, and then downstream from the lower portion of the first tower 10a (lower side). After being discharged to the first connection line 11, it flows from the 4-way valve 1 (31) to the confluence line (5).
- the air used for cooling the first tower 10a flows along the confluence line 5, passes through the second cooler 26 and the second separator 27, and then, at the confluence point 2c, the main line 2 is moved. Joined with the new compressed air, and then used to produce dry air in the second tower (10b).
- first connection line 12 second connection line
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Abstract
Description
Claims (8)
- 흡착제가 내장된 제1타워 및 제2타워;
압축기에서 공급되는 압축공기를 각 타워로 공급하기 위한 메인라인;
상기 메인라인으로부터 분기되어 각 타워의 흡착제 재생을 위한 압축공기가 분배되어 흐르는 재생라인;
제1타워에 공기를 통과시키기 위한 공기 입/출구용으로 제1타워의 일측과 타측에 각각 연결 설치되는 제1연결라인;
제2타워에 공기를 통과시키기 위한 공기 입/출구용으로 제2타워의 일측과 타측에 각각 연결 설치되는 제2연결라인;
타워에서 흡착제에 의해 수분이 흡착된 건조공기가 배출되는 배출라인;
상기 메인라인으로 연결되어 흡착제 재생이 수행된 타워에서 흡착제 재생 또는 타워 냉각을 마친 공기를 메인라인으로 합류시키기 위한 합류라인;
상기 배출라인으로부터 분기되어 재생라인으로 연결되는 승압라인;
상기 승압라인에 설치되어 배출라인의 건조공기를 재생라인으로 압송하는 블로워;
상기 메인라인과 각 타워 일측에 연결된 제1연결라인 및 제2연결라인, 합류라인을 선택적으로 연결하기 위한 4-웨이 밸브1; 및
각 타워 타측에 연결된 제1연결라인 및 제2연결라인, 재생라인, 배출라인을 선택적으로 연결하기 위한 4-웨이 밸브2;
를 포함하는 압축열을 이용한 블로워 넌 퍼지 운전방식의 흡착식 공기 건조 시스템. - 청구항 1에 있어서,
상기 메인라인 상에 공기의 냉각을 위한 제1쿨러, 및 공기 중 수분을 분리하여 제거하기 위한 제1세퍼레이터가 차례로 설치되는 것을 특징으로 하는 압축열을 이용한 블로워 넌 퍼지 운전방식의 흡착식 공기 건조 시스템. - 청구항 1에 있어서,
상기 합류라인 상에 공기의 냉각을 위한 제2쿨러, 및 공기 중 수분을 분리하여 제거하기 위한 제2세퍼레이터가 차례로 설치되는 것을 특징으로 하는 압축열을 이용한 블로워 넌 퍼지 운전방식의 흡착식 공기 건조 시스템.
- 청구항 1에 있어서,
상기 승압라인 상에 공기의 흐름을 단속하기 위한 밸브가 설치되는 것을 특징으로 하는 압축열을 이용한 블로워 넌 퍼지 운전방식의 흡착식 공기 건조 시스템.
- 청구항 1에 있어서,
상기 재생라인 상에 흡착제 재생을 위한 압축공기를 가열하는 히터가 설치되는 것을 특징으로 하는 압축열을 이용한 블로워 넌 퍼지 운전방식의 흡착식 공기 건조 시스템. - 청구항 1 내지 청구항 5 중 어느 한 항에 있어서,
재생라인을 통해 흐르는 압축공기와 승압라인을 통해 재생라인으로 압송되는 건조공기가 4-웨이 밸브2를 통해 재생 공정이 이루어지는 타워에 순차적으로 공급되어 타워에서의 흡착제 재생 가열과 타워 냉각이 순차적으로 이루어지게 되는 것을 특징으로 하는 압축열을 이용한 블로워 넌 퍼지 운전방식의 흡착식 공기 건조 시스템. - 청구항 1 내지 청구항 5 중 어느 한 항에 있어서,
4-웨이 밸브1 및 4-웨이 밸브2에 의해 메인라인과 배출라인이 제1타워와 제2타워 중 어느 하나의 공기 입/출구용 연결라인에 연결되고, 합류라인과 재생라인이 나머지 다른 하나의 공기 입/출구용 연결라인에 연결되어, 상기 두 타워 중 하나가 건조공기를 생산하고, 다른 하나에서 흡착제 재생 가열과 타워 냉각이 이루어지게 되는 것을 특징으로 하는 압축열을 이용한 블로워 넌 퍼지 운전방식의 흡착식 공기 건조 시스템. -
청구항 7에 있어서,
상기 4-웨이 밸브1에 의해 각 타워의 하부에 연결된 제1연결라인과 제2연결라인이 메인라인과 합류라인에 선택적으로 연결되고, 상기 4-웨이 밸브2에 의해 각 타워의 상부에 연결된 제1연결라인과 제2연결라인이 재생라인과 배출라인에 선택적으로 연결되어, 건조공기 생산시 타워에서 Bottom-up 방식의 공기 유동이 이루어지게 되고, 흡착제 재생 가열 및 타워 냉각시 타워에서 Top-down 방식의 공기 유동이 이루어지게 되는 것을 특징으로 하는 압축열을 이용한 블로워 넌 퍼지 운전방식의 흡착식 공기 건조 시스템.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US14/443,657 US9511321B2 (en) | 2012-11-19 | 2013-05-21 | Adsorption-type air drying system with blower non-purge operation using compressed heat |
CN201380060263.5A CN104797895B (zh) | 2012-11-19 | 2013-05-21 | 利用压缩热的鼓风机非吹净运转方式的吸附式空气干燥系统 |
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KR10-2012-0130714 | 2012-11-19 | ||
KR1020120130714A KR101357728B1 (ko) | 2012-11-19 | 2012-11-19 | 승압 블로워를 사용한 넌 퍼지 운전방식의 흡착식 공기 건조 시스템 |
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WO2014077479A1 true WO2014077479A1 (ko) | 2014-05-22 |
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PCT/KR2013/004440 WO2014077479A1 (ko) | 2012-11-19 | 2013-05-21 | 압축열을 이용한 블로워 넌 퍼지 운전방식의 흡착식 공기 건조 시스템 |
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US (1) | US9511321B2 (ko) |
KR (1) | KR101357728B1 (ko) |
CN (1) | CN104797895B (ko) |
WO (1) | WO2014077479A1 (ko) |
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US9511321B2 (en) | 2012-11-19 | 2016-12-06 | Chul Yong Hwang | Adsorption-type air drying system with blower non-purge operation using compressed heat |
CN110917809A (zh) * | 2019-04-11 | 2020-03-27 | 北京诺维新材科技有限公司 | 一种吸附水分的固体吸附剂的吸附和再生方法及其装置 |
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KR101520319B1 (ko) * | 2014-03-04 | 2015-05-15 | 황철용 | 승압 블로워를 사용한 넌퍼지 및 퍼지 겸용 흡착식 공기 건조 시스템 |
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CN107088347A (zh) * | 2017-01-19 | 2017-08-25 | 无锡联合超滤净化设备科技有限公司 | 变压再生吸附式压缩气体干燥工艺及装置 |
US10603627B2 (en) * | 2018-01-17 | 2020-03-31 | Ingersoll-Rand Industrial U.S., Inc. | Hybrid low dew point compressed air dryer |
CN109985482B (zh) * | 2019-04-28 | 2023-11-17 | 上海一飒环保工程科技有限公司 | 一种挥发性有机物吸附以及原位脱附再生的设备及方法 |
CN115999333B (zh) * | 2023-03-29 | 2023-06-20 | 杭州嘉隆气体设备有限公司 | 一种压缩空气干燥器及其吸附剂再生方法 |
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US9511321B2 (en) | 2012-11-19 | 2016-12-06 | Chul Yong Hwang | Adsorption-type air drying system with blower non-purge operation using compressed heat |
CN110917809A (zh) * | 2019-04-11 | 2020-03-27 | 北京诺维新材科技有限公司 | 一种吸附水分的固体吸附剂的吸附和再生方法及其装置 |
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CN104797895B (zh) | 2016-11-16 |
US20150290578A1 (en) | 2015-10-15 |
US9511321B2 (en) | 2016-12-06 |
CN104797895A (zh) | 2015-07-22 |
KR101357728B1 (ko) | 2014-02-04 |
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