CN108126481A - The method of work of external heat surface cooler drying device - Google Patents
The method of work of external heat surface cooler drying device Download PDFInfo
- Publication number
- CN108126481A CN108126481A CN201711099330.0A CN201711099330A CN108126481A CN 108126481 A CN108126481 A CN 108126481A CN 201711099330 A CN201711099330 A CN 201711099330A CN 108126481 A CN108126481 A CN 108126481A
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- Prior art keywords
- adsorption tower
- valve
- heater
- air blower
- gas
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Classifications
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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
-
- 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
- B01D2259/40003—Methods relating to valve switching
-
- 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
- B01D2259/40098—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating with other heating means
Abstract
The invention discloses a kind of method of works of external heat surface cooler drying device.Unstripped gas removes liquid grease and solid particle through fore filter, accurate filter, enters adsorption tower A by valve full flow, the moisture in unstripped gas is adsorbed by adsorbent and is discharged as dry gas through post-filter；While adsorption tower A is adsorbed, adsorption tower B after pressure release, heating, blowing cold, displacement, press, switching drying chamber A, drying chamber B working condition, drying chamber B carries out absorption work, and drying chamber A carries out reproduction operation.The present invention can significant energy conservation and consumption reduction effects, greatly reduce the energy needed for adsorbent reactivation, ensure that finished product gas dew point without drift, greatly reduces cost.
Description
Technical field：
The invention belongs to gas-drying apparatus technical field, more particularly to a kind of work side of external heat surface cooler drying device
Method.
Background technology：
Compressed air is industrial widely used power source, and air is after compressor compresses, gas pressure and temperature
Raising, also often containing impurity such as oil, water and dust, it is necessary to carry out purified treatment.For different types of compressor, row
Atmospheric pressure, temperature, meter capacity different sizes, industrially frequently with a variety of different purifying treatment methods, wherein with absorption type
Based compressed-gas dryers are most widely used.According to the difference of adsorbent reactivation technique, occurs heatless regeneration absorption type in succession
The differences such as drier, micro-heat regeneration absorbent drier, external heat regenerative absorption type dryer, waste heat regenerative absorbent type dryer
The absorption type based compressed-gas dryers of form.But these driers due to finished product gas consumption big (accounting for total flow 15~20%),
High energy consumption (such as micro-heat regeneration absorbent drier) is difficult to obtain lower dew point (dew points at normal pressure is -20~-40), adsorbent again
It is raw be not thorough, the shortcomings of drift of finished product gas dew point is too big and be restricted use.
The information for being disclosed in the background technology part is merely intended to increase the understanding of the general background to the present invention, without answering
When being considered as recognizing or imply that information composition has been the prior art well known to persons skilled in the art in any form.
Invention content：
It is above-mentioned existing so as to overcome the purpose of the present invention is to provide a kind of method of work of external heat surface cooler drying device
There is the defects of technology.
To achieve the above object, the present invention provides a kind of method of work of external heat surface cooler drying device, steps
For：
(1) unstripped gas removes liquid grease and solid particle through fore filter, accurate filter, passes through valve full flow
Into adsorption tower A, the moisture in unstripped gas is adsorbed by adsorbent and is discharged as dry gas through post-filter；In adsorption tower
While A is adsorbed, adsorption tower B after pressure pressure release to specified value, closes valve, pressure release through valve and the slow pressure release of muffler
Terminate；
(2) start air blower, heater, the air that air blower extracts enters heater heating, the height after heating through valve
Warm air enters adsorption tower B by valve and adsorbent is parsed, and the parsing gas generated after parsing passes through adsorption tower B drain taps
Discharge；
(3) heater is closed, air blower works on, and the air that air blower extracts enters heater through valve, to heating
Device cools down, by heater air by valve enter adsorption tower B blow it is cold, blow it is cold after gas arranged by adsorption tower B
Air valve is discharged, and after heter temperature drops to specified value, is closed the valve of air blower side, is opened adsorption tower A and adsorption tower B
Between valve, adsorption tower A come out part finished product gas enter adsorption tower B, the high temperature air in adsorption tower B is passed through into adsorption tower B
Drain tap is discharged；
(4) valve and adsorption tower B drain taps between adsorption tower A and adsorption tower B are closed, opens the valve of air blower side
Door, the valve of surface cooler side, air blower is arranged in parallel with surface cooler, and it is cold that the high temperature dry gas in adsorption tower B through valve enters table
Device cools down, and gas after cooling is again introduced into adsorption tower B through air blower, heater, cools down to the adsorbent in adsorption tower B；Such as
This circulating cooling cools down, until end loop when the temperature in adsorption tower B reaches setting value；
(5) valve of air blower side, the valve of surface cooler side are closed, opens the valve between adsorption tower A and adsorption tower B
With adsorption tower B drain taps, to slow punching press in adsorption tower B, until pressure reaches the work pressure with adsorption tower A in adsorption tower B
Power mutually simultaneously closes off valve；
(6) working condition of switching adsorption tower A and adsorption tower B, is adsorbed by adsorption tower B, and adsorption tower A is regenerated,
After a cycle is completed, it is further continued for the working condition of exchange adsorption tower A and adsorption tower B.
Preferably, in technical solution, heater is a primary heater or two secondary heaters；The heater choosing
With one kind in shell-and-tube heat exchanger, plate heat exchanger or plate-fin heat exchanger.
Preferably, in technical solution, surface cooler is selected in shell-and-tube heat exchanger, plate heat exchanger or plate-fin heat exchanger
It is a kind of.
Compared with prior art, the present invention has the advantages that：
Regeneration heating is carried out to carrying out regenerated adsorbent in drying chamber for heating regeneration gas source using air, is had notable
Energy conservation and consumption reduction effects.It with principle of pressure swing adsorption, is adsorbed, is parsed in low-pressure at elevated pressures, to adsorbent
Decompression regeneration is carried out, thus greatly reduces the energy needed for adsorbent reactivation.Using normal pressure dry gas carry out regeneration blow it is cold, and will
Blow circulating cold air use, it is big to blow air conditioning quantity, blow it is cold thoroughly, so as to ensure that finished product gas dew point without drift.Made using normal pressure dry gas
Air blower, heater operating pressure substantially reduce, common wind turbine and low-pressure heater can be used, simplify wind turbine and heater
Structure, greatly reduce cost.
Description of the drawings：
Fig. 1 is 1 schematic diagram of external heat surface cooler drying device structure of the present invention；
Fig. 2 is 2 schematic diagram of external heat surface cooler drying device structure of the present invention；
Reference numeral is：1- fore filters, 2- accurate filters, 3- air blowers, 4- surface coolers, 5- post-filters,
6- heaters, 7- mufflers.
Specific embodiment：
The specific embodiment of the present invention is described in detail below, it is to be understood that protection scope of the present invention is not
It is restricted by specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " comprising " or its change
It changes such as "comprising" or " including " etc. and will be understood to comprise stated element or component, and do not exclude other members
Part or other component parts.
As shown in Figure 1, a kind of method of work of external heat surface cooler drying device, step are：
(1) unstripped gas removes liquid grease and solid particle through fore filter 1, accurate filter 2, complete by valve A1
Flow enters adsorption tower A, and the moisture in unstripped gas is adsorbed by adsorbent and is discharged as dry gas through post-filter 5；
While adsorption tower A is adsorbed, adsorption tower B after pressure pressure release to specified value, is closed through valve B1, F5 and 7 slow pressure release of muffler
Valve closing door B1, F5, pressure release terminate；
(2) start air blower 3, heater 6, the air that air blower 3 extracts enters heater 6 through valve F1 and heats, and heats
High temperature air afterwards enters adsorption tower B by valve B3 and adsorbent is parsed, and the parsing gas generated after parsing passes through adsorption tower B
Drain tap B2, F3 are discharged；
(3) heater 6 is closed, air blower 3 works on, and the air that air blower 3 extracts enters heater 6 through valve F1,
Cool down to heater 6, by heater 6 air by valve B3 enter adsorption tower B blow it is cold, blow it is cold after gas pass through
Adsorption tower B drain taps B2, F3 are discharged, and after 6 temperature of heater drops to specified value, are closed the valve F1 of 3 side of air blower, are beaten
The valve F6 between adsorption tower A and adsorption tower B is opened, the part finished product gas that adsorption tower A comes out enters adsorption tower B, will be in adsorption tower B
High temperature air is discharged by adsorption tower B drain taps B2, F3；
(4) the valve F6 and adsorption tower B drain tap F3 between adsorption tower A and adsorption tower B are closed, opens 3 side of air blower
Valve F1, B3,4 side of surface cooler valve B2, F2, air blower 3 is arranged in parallel with surface cooler 4, and the high temperature in adsorption tower B is done
Gas enters surface cooler 4 through valve B2, F2 and cools down, gas after cooling through air blower 3, valve F1, heater 6, valve B3 again
Into adsorption tower B, cool down to the adsorbent in adsorption tower B；Such circulating cooling cooling, until the temperature in adsorption tower B reaches
End loop during setting value；
(5) valve F1, B3 of 3 side of air blower, valve B2, F2 of surface cooler side are closed, opens adsorption tower A and absorption
Valve F6 and adsorption tower B drain tap F3 between tower B, to slow punching press in adsorption tower B, until in adsorption tower B pressure reach with
The operating pressure of adsorption tower A mutually simultaneously closes off valve F6；
(6) working condition of switching adsorption tower A and adsorption tower B, is adsorbed by adsorption tower B, and adsorption tower A is regenerated,
After a cycle is completed, it is further continued for the working condition of exchange adsorption tower A and adsorption tower B.
As shown in Fig. 2, a kind of method of work of external heat surface cooler drying device, step are：
(1) unstripped gas removes liquid grease and solid particle through fore filter 1, accurate filter 2, complete by valve A1
Flow enters adsorption tower A, and the moisture in unstripped gas is adsorbed by adsorbent and is discharged as dry gas through post-filter 5；
While adsorption tower A is adsorbed, adsorption tower B after pressure pressure release to specified value, is closed through valve B1, F7 and 7 slow pressure release of muffler
Valve closing door B1, F7, pressure release terminate；
(2) start air blower 3, heater 6, the air that air blower 3 extracts enters heater 6 through valve F2 and heats, and heats
High temperature air afterwards enters adsorption tower B by valve B3 and adsorbent is parsed, and the parsing gas generated after parsing passes through adsorption tower B
Drain tap B2, F4 are discharged；
(3) heater 6 is closed, air blower 3 works on, and the air that air blower 3 extracts enters heater 6 through valve F2,
Cool down to heater 6, by heater 6 air by valve B3 enter adsorption tower B blow it is cold, blow it is cold after gas pass through
Adsorption tower B drain taps B2, F4 are discharged, and after 6 temperature of heater drops to specified value, are closed the valve F2 of 3 side of air blower, are beaten
The valve F5 between adsorption tower A and adsorption tower B is opened, the part finished product gas that adsorption tower A comes out enters adsorption tower B, will be in adsorption tower B
High temperature air is discharged by adsorption tower B drain taps B2, F4；
(4) the valve F5 and adsorption tower B drain tap F4 between adsorption tower A and adsorption tower B are closed, opens 3 side of air blower
Valve B2, F3,4 side of surface cooler valve B3, F1, air blower 3 is arranged in parallel with surface cooler 4, and the high temperature in adsorption tower B is done
Gas enters surface cooler 4 through valve B3, F1 and cools down, and gas after cooling is again introduced into absorption through air blower 3, valve F3, valve B2
Tower B cools down to the adsorbent in adsorption tower B；Such circulating cooling cooling, until when the temperature in adsorption tower B reaches setting value
End loop；
(5) valve B2, F3 of 3 side of air blower, valve B3, F1 of surface cooler side are closed, opens adsorption tower A and absorption
Valve F6 and adsorption tower B drain tap F5 between tower B, to slow punching press in adsorption tower B, until in adsorption tower B pressure reach with
The operating pressure of adsorption tower A mutually simultaneously closes off valve F5；
(6) working condition of switching adsorption tower A and adsorption tower B, is adsorbed by adsorption tower B, and adsorption tower A is regenerated,
After a cycle is completed, it is further continued for the working condition of exchange adsorption tower A and adsorption tower B.
The description of the aforementioned specific exemplary embodiment to the present invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explain that the specific principle of the present invention and its reality should
With so that those skilled in the art can realize and utilize the present invention a variety of different exemplary implementations and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (3)
1. a kind of method of work of external heat surface cooler drying device, step are：
(1) unstripped gas removes liquid grease and solid particle through fore filter, accurate filter, is entered by valve full flow
Adsorption tower A, the moisture in unstripped gas are adsorbed by adsorbent and are discharged as dry gas through post-filter；It is inhaled in adsorption tower A
While attached, adsorption tower B after pressure pressure release to specified value, closes valve, pressure release knot through valve and the slow pressure release of muffler
Beam；
(2) start air blower, heater, the air that air blower extracts enters heater heating through valve, and the high temperature after heating is empty
Gas enters adsorption tower B by valve and adsorbent is parsed, and the parsing gas generated after parsing is arranged by adsorption tower B drain taps
Go out；
(3) close heater, air blower works on, and the air that air blower extracts enters heater through valve, to heater into
Row cooling, by heater air by valve enter adsorption tower B blow it is cold, blow it is cold after gas pass through adsorption tower B air bleeding valves
Door discharge after heter temperature drops to specified value, closes the valve of air blower side, opens between adsorption tower A and adsorption tower B
Valve, the part finished product gas that adsorption tower A comes out enter adsorption tower B, the high temperature air in adsorption tower B are vented by adsorption tower B
Valve is discharged；
(4) valve and adsorption tower B drain taps between adsorption tower A and adsorption tower B are closed, opens valve, the table of air blower side
The valve of cooler side, air blower are arranged in parallel with surface cooler, and it is cold that the high temperature dry gas in adsorption tower B through valve enters surface cooler
But, gas after cooling is again introduced into adsorption tower B through air blower, heater, cools down to the adsorbent in adsorption tower B；So follow
Ring cools, until end loop when the temperature in adsorption tower B reaches setting value；
(5) valve of air blower side, the valve of surface cooler side are closed, opens the valve between adsorption tower A and adsorption tower B and suction
Attached tower B drain taps, to slow punching press in adsorption tower B, until pressure reaches the operating pressure phase with adsorption tower A in adsorption tower B
Simultaneously close off valve；
(6) working condition of switching adsorption tower A and adsorption tower B, is adsorbed, adsorption tower A is regenerated, when complete by adsorption tower B
Into after a cycle, it is further continued for the working condition of exchange adsorption tower A and adsorption tower B.
2. the method for work of external heat surface cooler drying device according to claim 1, it is characterised in that：The heater
For a primary heater or two secondary heaters；The heater selects shell-and-tube heat exchanger, plate heat exchanger or plate wing
One kind in formula heat exchanger.
3. the method for work of external heat surface cooler drying device according to claim 1, it is characterised in that：The surface cooler
Select one kind in shell-and-tube heat exchanger, plate heat exchanger or plate-fin heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711099330.0A CN108126481A (en) | 2017-11-09 | 2017-11-09 | The method of work of external heat surface cooler drying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711099330.0A CN108126481A (en) | 2017-11-09 | 2017-11-09 | The method of work of external heat surface cooler drying device |
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| CN108126481A true CN108126481A (en) | 2018-06-08 |
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| CN201711099330.0A Pending CN108126481A (en) | 2017-11-09 | 2017-11-09 | The method of work of external heat surface cooler drying device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108816002A (en) * | 2018-08-06 | 2018-11-16 | 临安姚希自动化科技有限公司 | Air blast, zero-emission, the dry machine control system of residual heat regenerating |
| CN112546820A (en) * | 2019-11-13 | 2021-03-26 | 无锡联合超滤净化设备科技有限公司 | Unpowered zero-gas-consumption compression heat drying device and method for regeneration system |
| CN115518497A (en) * | 2022-11-01 | 2022-12-27 | 杭州嘉隆气体设备有限公司 | Blast regeneration compressed air dryer and use method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202376895U (en) * | 2011-12-07 | 2012-08-15 | 上海阿普达实业有限公司 | Zero-gas-consumption compressed air adsorption dry equipment |
| CN204051394U (en) * | 2014-07-11 | 2014-12-31 | 上海振世能源科技有限公司 | Zero gas damages absorbed type drying system |
| CN107088347A (en) * | 2017-01-19 | 2017-08-25 | 无锡联合超滤净化设备科技有限公司 | Pressure swing regeneration absorption type compressed air drying technique and device |
| CN107213760A (en) * | 2017-07-14 | 2017-09-29 | 湖南和鑫新能源技术有限公司 | A kind of energy-efficient drying device of absorption type and system |
-
2017
- 2017-11-09 CN CN201711099330.0A patent/CN108126481A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202376895U (en) * | 2011-12-07 | 2012-08-15 | 上海阿普达实业有限公司 | Zero-gas-consumption compressed air adsorption dry equipment |
| CN204051394U (en) * | 2014-07-11 | 2014-12-31 | 上海振世能源科技有限公司 | Zero gas damages absorbed type drying system |
| CN107088347A (en) * | 2017-01-19 | 2017-08-25 | 无锡联合超滤净化设备科技有限公司 | Pressure swing regeneration absorption type compressed air drying technique and device |
| CN107213760A (en) * | 2017-07-14 | 2017-09-29 | 湖南和鑫新能源技术有限公司 | A kind of energy-efficient drying device of absorption type and system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108816002A (en) * | 2018-08-06 | 2018-11-16 | 临安姚希自动化科技有限公司 | Air blast, zero-emission, the dry machine control system of residual heat regenerating |
| CN112546820A (en) * | 2019-11-13 | 2021-03-26 | 无锡联合超滤净化设备科技有限公司 | Unpowered zero-gas-consumption compression heat drying device and method for regeneration system |
| CN115518497A (en) * | 2022-11-01 | 2022-12-27 | 杭州嘉隆气体设备有限公司 | Blast regeneration compressed air dryer and use method thereof |
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Application publication date: 20180608 |