CN103143241B - Air drier and method - Google Patents
Air drier and method Download PDFInfo
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- CN103143241B CN103143241B CN201310087108.4A CN201310087108A CN103143241B CN 103143241 B CN103143241 B CN 103143241B CN 201310087108 A CN201310087108 A CN 201310087108A CN 103143241 B CN103143241 B CN 103143241B
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- inner bag
- air
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- cavity
- shell
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Abstract
The invention discloses an air drier and a method. The air drier comprises a shell and an inner bladder, wherein a closed cavity is formed between the shell and the inner bladder, a drying agent is filled in the inner bladder, the inner bladder is provided with an air inlet, an air outlet and an exhaust port, and the air outlet is respectively communicated with the exterior of the shell and the cavity. According to the method, the air drier can be used for drying compressed air and can realize regeneration of the drying agent. The air drier has a simple structure, is convenient to maintain, occupies a small space, and can meet actual demands on drying of the compressed air.
Description
Technical field
The present invention relates to a kind of air dryer and method.
Background technology
On various countries' rail vehicle, various wind devices all has strict demand to the moisture in compressed air, oil content and impurity etc., for guaranteeing that the compressed air relative humidity on rail vehicle in each wind devices can reach less than 35%, drying facility must must be equipped with, to remove the large quantity of moisture in air in air feed system.
Current employing adsorbent carries out dry drying facility mainly based on single tower air drier and tower air dryer.
Double-tower type drier has two work towers, is operated in two states simultaneously, and namely dry and regeneration is carried out simultaneously.Two plug valve is the critical component of control two work tower change working, in practice, because two plug valve inner rubber is damaged or spring failure, easily causes air dryer to leak gas, occurs the phenomenon of very large exhaust sound; And because have complicated Double-Tower Structure, maintenance load is relatively large.
Although single tower drier only has a work tower, structural rate double-tower type drier is simple, and for realizing the regeneration of drier, single tower air drying need be equipped with numerous ancillary equipment such as cutout cock, electric pneumatic valve of regenerated wind jar, band exhaust, takes up room larger.
Summary of the invention
Based on this, the invention reside in the defect overcoming prior art, a kind of air dryer and method are provided, described air dryer structure is simple, easy to maintenance, take up room little, the actual demand of compressed air drying can be met.
Its technical scheme is as follows:
A kind of air dryer, comprise shell and inner bag, form closed cavity between shell and inner bag, in inner bag, drier is housed, described inner bag is provided with air inlet, gas outlet and useless row's mouth, and gas outlet is connected with described cavity with the outside of described shell respectively; Be provided with throttle orifice between described gas outlet and cavity, be connected by this throttle orifice between gas outlet with cavity; Described air inlet is connected with inlet channel, inlet channel is provided with the first magnetic valve, and described useless row's mouth is connected with exhaust steam passage, exhaust steam passage is provided with the second magnetic valve.
Below further technical scheme is described:
Described inner bag is provided with screen cloth at its useless row mouth place, and described inner bag is provided with screen pack at its gas outlet place.
Described inner bag is installed with gland at gas outlet place, and gland is provided with secret tunnel, and secret tunnel is provided with exhaust outlet, and this secret tunnel is connected with described gas outlet.
The longitudinal section of described inner bag is in " U " font, and described gland and the longitudinal section of secret tunnel thereof are all in " T " font, and described exhaust outlet has two and lays respectively at two lateral ends of described secret tunnel.
Described inner bag is threaded connection between its gas outlet place and described gland.
In described secret tunnel, dew point indicator is installed.
Described gland is provided with check-valves in its exhaust ports.
The present invention also provides a kind of air drying methods, the method is: moist compressed air enters in inner bag through air inlet, and dry air is become after the desiccant dryness in inner bag, a part for dry air discharges the outside of shell through gas outlet, another part then flows in the cavity between shell and inner bag; Storage dry air in the cavities backwashes in inner bag, and is taken away from useless row's mouth by the hydrone in inner bag internal desiccant.
Below the advantage of preceding solution or principle are described:
1, closed cavity is formed between shell and inner bag, gas outlet is connected with cavity with the outside of described shell respectively, thus in use, when air inlet open, useless row's mouth are closed, moist compressed air can enter in inner bag through air inlet, and dry air is become after the desiccant dryness in inner bag, a part for this dry air can discharge the outside of shell through gas outlet, another part then can flow in the cavity between shell and inner bag; And when inlet close, useless row's mouth are opened, above-mentioned storage dry air in the cavities then can backwash in inner bag, and is taken away from useless row's mouth by the hydrone in inner bag internal desiccant, thus realizes the regeneration of drier.Therefore, this air dryer have employed built-in double-decker, simple and compact for structure, decreases the number of peripheral parts, can effectively reduce spare part quantity, make easy to maintenance, take up room little, and the actual demand of compressed air drying can be met.
2, be connected by this throttle orifice between gas outlet with cavity, then when air inlet open, useless row's mouth are closed, to be come in by air inlet and the compressed air of desiccant dryness can enter in described cavity by this throttle orifice in inner bag, and when inlet close, useless row's mouth are opened, the dry air in cavity then can be backwashed in inner bag by this throttle orifice.
3, inlet channel is provided with the first magnetic valve, the opening and closing of inlet channel then can be controlled by this first magnetic valve, exhaust steam passage is provided with the second magnetic valve, the opening and closing of exhaust steam passage then can be controlled by the second magnetic valve, thus, by can control the flow direction of air-flow between described gas outlet and cavity to the control of the first magnetic valve and the second magnetic valve.
4, described inner bag is provided with screen cloth at its useless row mouth place, and this screen cloth has ventilation function, and drier can be prevented to run off through useless row's mouth; Described inner bag is provided with screen pack at its gas outlet place, and this screen pack also has ventilation function, and it is mainly used in isolation drier and external channel.
5, secret tunnel is provided with exhaust outlet, and secret tunnel is connected with described gas outlet, then dry air can enter in secret tunnel through gas outlet, and discharges from the exhaust outlet of secret tunnel.
6, described exhaust outlet has two and lays respectively at two lateral ends of described secret tunnel, then can select suitable exhaust outlet as required, to adapt to actual need of work.
7, in described secret tunnel, dew point indicator is installed, then can monitors the situation of drier.
8, described gland is provided with check-valves in its exhaust ports, can prevent the backflow of air-flow during above-mentioned desiccant regeneration.
9, described method enables described air dryer carry out drying to compressed air, and realizes the regeneration of drier.
Accompanying drawing explanation
Fig. 1 is the structural representation of the air dryer described in the embodiment of the present invention.
Description of reference numerals:
1, inner bag, 2, shell, 21, cavity, 3, drier, 4, throttle orifice, 5, gland, 501, secret tunnel, 5011, exhaust outlet, 6, screen cloth, 7, screen pack, 8, rubber blocks up, 9, inlet channel, the 10, first magnetic valve, 11, exhaust steam passage, the 12, second magnetic valve, 13, sealing ring.
Detailed description of the invention
Below embodiments of the invention are described in detail:
As shown in Figure 1, a kind of air dryer, comprise shell 2 and inner bag 1, closed cavity 21 is formed between shell 2 and inner bag 1, drier 3 is housed in inner bag 1, described inner bag 1 is provided with air inlet, gas outlet and useless row's mouth, and gas outlet is connected with described cavity 21 with the outside of described shell 2 respectively.
Wherein, between described gas outlet and cavity 21, be provided with throttle orifice 4, be connected by this throttle orifice 4 between gas outlet with cavity 21.Described air inlet is connected with inlet channel 9, and this inlet channel 9 is connected with compressor, inlet channel 9 is provided with the first magnetic valve 10, and described useless row's mouth is connected with exhaust steam passage 11, exhaust steam passage 11 is provided with the second magnetic valve 12.Described inner bag 1 is provided with screen cloth 6 at its useless row mouth place, and described inner bag 1 is provided with screen pack 7 at its gas outlet place.Described inner bag 1 is installed with gland 5 at gas outlet place, and gland 5 is provided with secret tunnel 501, and secret tunnel 501 is provided with exhaust outlet 5011, and this secret tunnel 501 is connected with described gas outlet.The longitudinal section of described inner bag 1 is in " U " font, and described gland 5 and the longitudinal section of secret tunnel 501 thereof are all in " T " font, and described exhaust outlet 5011 has two and lays respectively at two lateral ends of described secret tunnel 501.Described inner bag 1 is threaded connection between its gas outlet place and described gland 5, and is provided with sealing ring 13 in the junction of inner bag 1 and gland 5.In described secret tunnel 501, dew point indicator is installed.Described gland 5 is provided with check-valves at its exhaust outlet 5011 place.In two above-mentioned exhaust outlets 5011, one of them blocking has rubber stifled 8.
The air dryer of the present embodiment, its air drying methods is: when the first magnetic valve 10 obtains electric, second magnetic valve 12 dead electricity, namely when air inlet open, useless row's mouth are closed, moist compressed air can enter in inner bag 1 through air inlet, and dry air is become after drier 3 drying in inner bag 1, a part for this dry air can discharge the outside of shell 2 through gas outlet, another part then can flow in the cavity 21 between shell 2 and inner bag 1; And when the first magnetic valve 10 dead electricity, second magnetic valve 12 obtains electric, and when namely inlet close, useless row's mouth are opened, the above-mentioned dry air be stored in cavity 21 then can backwash in inner bag 1, and taken away from useless row's mouth by the hydrone in inner bag 1 internal desiccant 3, thus realize the regeneration of drier 3.
The present embodiment has the following advantages or principle:
1, described air dryer have employed built-in double-decker, simple and compact for structure, decreases the number of peripheral parts, can effectively reduce spare part quantity, make easy to maintenance, take up room little, and the actual demand of compressed air drying can be met.
2, be connected by throttle orifice 4 between gas outlet with cavity 21, then when air inlet open, useless row's mouth are closed, to be come in by air inlet and the compressed air of drier 3 drying in inner bag 1 can enter in described cavity 21 by this throttle orifice 4, and when inlet close, useless row's mouth are opened, the dry air in cavity 21 then can be backwashed in inner bag 1 by this throttle orifice 4.
3, inlet channel 9 is provided with the first magnetic valve 10, the opening and closing of inlet channel 9 then can be controlled by this first magnetic valve 10, exhaust steam passage 11 is provided with the second magnetic valve 12, the opening and closing of exhaust steam passage 11 then can be controlled by the second magnetic valve 12, thus, by can control the flow direction of air-flow between described gas outlet and cavity 21 to the control of the first magnetic valve 10 and the second magnetic valve 12.
4, described inner bag 1 is provided with screen cloth 6 at its useless row mouth place, and this screen cloth 6 has ventilation function, and drier 3 can be prevented to run off through useless row's mouth; Described inner bag 1 is provided with screen pack 7 at its gas outlet place, and this screen pack 7 also has ventilation function, and it is mainly used in isolation drier 3 and external channel.
5, secret tunnel 501 is provided with exhaust outlet 5011, and secret tunnel 501 is connected with described gas outlet, then dry air can enter in secret tunnel 501 through gas outlet, and discharges from the exhaust outlet 5011 of secret tunnel 501.
6, described exhaust outlet 5011 has two and lays respectively at two lateral ends of described secret tunnel 501, then can select suitable exhaust outlet 5011 as required, to adapt to actual need of work.
7, in described secret tunnel 501, dew point indicator is installed, then can monitors the situation of drier 3.
8, described gland 5 is provided with check-valves at its exhaust outlet 5011 place, the backflow of air-flow when can prevent above-mentioned drier 3 from regenerating.
9, above-mentioned sealing ring 13 is in order to prevent air leak, and above-mentioned rubber blocks up the exhaust outlet 5011 that 8 then can block redundancy, and dry air is discharged at specific exhaust outlet 5011.
10, described method enables described air dryer carry out drying to compressed air, and realizes the regeneration of drier 3.
The above embodiment only have expressed the specific embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (8)
1. an air dryer, is characterized in that, comprises shell and inner bag, closed cavity is formed between shell and inner bag, in inner bag, drier is housed, described inner bag is provided with air inlet, gas outlet and useless row's mouth, and gas outlet is connected with described cavity with the outside of described shell respectively;
Be provided with throttle orifice between described gas outlet and cavity, be connected by this throttle orifice between gas outlet with cavity.
Described air inlet is connected with inlet channel, inlet channel is provided with the first magnetic valve, and described useless row's mouth is connected with exhaust steam passage, exhaust steam passage is provided with the second magnetic valve.
2. air dryer according to claim 1, is characterized in that, described inner bag is provided with screen cloth at its useless row mouth place, and described inner bag is provided with screen pack at its gas outlet place.
3. the air dryer according to any one of claim 1 to 2, is characterized in that, described inner bag is installed with gland at gas outlet place, and gland is provided with secret tunnel, and secret tunnel is provided with exhaust outlet, and this secret tunnel is connected with described gas outlet.
4. air dryer according to claim 3, it is characterized in that, the longitudinal section of described inner bag is in " U " font, and described gland and the longitudinal section of secret tunnel thereof are all in " T " font, and described exhaust outlet has two and lays respectively at two lateral ends of described secret tunnel.
5. air dryer according to claim 3, is characterized in that, described inner bag is threaded connection between its gas outlet place and described gland.
6. air dryer according to claim 3, is characterized in that, is provided with dew point indicator in described secret tunnel.
7. air dryer according to claim 3, is characterized in that, described gland is provided with check-valves in its exhaust ports.
8. an air drying methods, is characterized in that, the method is:
Moist compressed air enters in inner bag through air inlet, and becomes dry air after the desiccant dryness in inner bag, and a part for dry air discharges the outside of shell through gas outlet, another part then flows in the cavity between shell and inner bag;
Storage dry air in the cavities backwashes in inner bag, and is taken away from useless row's mouth by the hydrone in inner bag internal desiccant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310087108.4A CN103143241B (en) | 2013-03-18 | 2013-03-18 | Air drier and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310087108.4A CN103143241B (en) | 2013-03-18 | 2013-03-18 | Air drier and method |
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| Publication Number | Publication Date |
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| CN103143241A CN103143241A (en) | 2013-06-12 |
| CN103143241B true CN103143241B (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310087108.4A Expired - Fee Related CN103143241B (en) | 2013-03-18 | 2013-03-18 | Air drier and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107185364A (en) * | 2017-06-08 | 2017-09-22 | 成都赋阳技术开发有限公司 | A kind of air cleaning dehydrating unit |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105454402A (en) * | 2015-12-10 | 2016-04-06 | 重庆勤发食品有限公司 | Storage rack for air drying of dehydrated food |
| CN107596876A (en) * | 2017-09-22 | 2018-01-19 | 江苏江海船舶设备制造有限公司 | A kind of air dryer |
| CN108043177A (en) * | 2017-11-10 | 2018-05-18 | 宁夏宝塔化工中心实验室(有限公司) | One kind is used for ICP compressed air drying dust-extraction units |
| CN113069898B (en) * | 2021-05-06 | 2022-10-14 | 四川丹甫环境科技有限公司 | Compressed air drying system and drying method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2640581Y (en) * | 2003-09-17 | 2004-09-15 | 袁浩 | Air dryer for vehicle |
| CN203123789U (en) * | 2013-03-18 | 2013-08-14 | 广州铁路职业技术学院 | Air dryer |
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2013
- 2013-03-18 CN CN201310087108.4A patent/CN103143241B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107185364A (en) * | 2017-06-08 | 2017-09-22 | 成都赋阳技术开发有限公司 | A kind of air cleaning dehydrating unit |
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| CN103143241A (en) | 2013-06-12 |
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Granted publication date: 20150408 Termination date: 20170318 |