CN202155136U - Gas drying system - Google Patents
Gas drying system Download PDFInfo
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- CN202155136U CN202155136U CN2011201589532U CN201120158953U CN202155136U CN 202155136 U CN202155136 U CN 202155136U CN 2011201589532 U CN2011201589532 U CN 2011201589532U CN 201120158953 U CN201120158953 U CN 201120158953U CN 202155136 U CN202155136 U CN 202155136U
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Abstract
The utility model provides a gas drying system, which comprises a first dryer, a second dryer, electromagnetic valves, one-way check valves, a time controller, a needle valve and a pressure regulator. The electromagnetic valves are connected among lower joints and gas inlets of the two dryers and a dehumidifying outlet respectively, the one-way check valves are connected among upper joints and gas outlets of the two dryers, the time controller is used for respectively controlling opening and closing of the electromagnetic valves and controlling the operating time of heaters according to the dew-point temperature of dried gas , the needle valve is connected between the two dryers to regulate the proportion of dry gas needed by regeneration of adsorbent in the dryers, the pressure regulator is connected to gas outlet ends to regulate the flow of outputted dry gas, and heating sleeves are arranged outside the two dryers respectively, so that part of the dry gas outputted from the other dryer is used for regenerating the adsorbent in the heated dryer. The gas drying system is simple in structure, high in desorption efficiency and convenient for controlling the output flow of the dry gas.
Description
Technical field
The utility model relates to the gas technical field of drying, more particularly, relates to a kind of hot type gas automatic regeneration drying system.
Background technology
In various automatic industrials were used, compressed air was the source of the gas that serves many purposes, and air is in compressed process, and contained steam together is compressed, and had caused the air after the compression to have higher relatively atmospheric dew point.Relative humidity in the general atmosphere can inevitably be entrained with a large amount of liquid water droplets in the formed wet saturated air up to more than 65% behind compression condensation, they are basic reasons of equipment, pipeline and valve corrosion.
No matter too much moisture in compressed air is in liquid or steam stage, all may bring various problems to user's operation, for example the article such as electrical equipment in the container is caused damage, ducted material is corroded etc.In addition on the one hand; In the application of humidity generator; As one of important composition of carrier gas formula drying system, the Gas reclamation drying device is required high, dried gas mixes the adjustable ambiance of generation relative humidity afterwards as original gas with its water saturation gas.
Mostly existing compressed air drying equipment is the large-scale drying equipment that factory uses, controlled poor to the dew point of dry gas, can not fully absorb airborne moisture and reaches stable outlet dew point; And distribution of gas is inhomogeneous in the tower, occurs the phenomenon of stopping over easily.In addition, double tower type drier of the prior art often utilizes too much dry gas when reproducing adsorbent, cause the waste of dry gas and the decline of drier drying efficiency.
In addition, the large-scale drying equipment that factory uses also can't be applied to the occasion that some regional areas such as laboratory need dry gas, causes the inconvenience of zonule dry gas.
The utility model content
In view of the above problems; The purpose of the utility model provides the gas dry technology of a kind of effective combination transformation absorption and alternating temperature absorption; Utilize part dry gas and heating that the adsorbent in the drier is carried out activating and regenerating, thereby improve the efficient of desorb and the quality of dry source of the gas.
An aspect according to the utility model; A kind of gas-drying system is provided; Comprise first drier, second drier, be connected to the bottom interface of said two driers and the unidirectional non-return valve between magnetic valve, the upper interface that is connected said two driers and the gas vent between gas feed and the outlet of hydrofuge gas; Wherein, also comprise:
Link to each other with said magnetic valve respectively to control the time controller of said magnetic valve open and close;
Be connected between the upper interface of two said driers needle-valve with the ratio of regulating the required dry gas of adsorbent reactivation in the said drier; With
Be connected gas outlet end to regulate the pressure regulator of the flow of exporting dry gas; And
In said two driers, be provided with and be used for adsorbing the adsorbent of moisture of gas of being dried;
Said time controller according to drying after the dew-point temperature of gas control time of said magnetic valve open and close;
Outside said two driers, be respectively arranged with heating jacket, be used for, to utilize from the part dry gas of another drier output adsorbent the said heated drier of regenerating according to one of them drier of the control of said time controller heating.
Wherein, preferred construction is that said adsorbent is a molecular sieve.
Moreover preferred construction is, said magnetic valve is 4, wherein,
One end of first magnetic valve and the 3rd magnetic valve links to each other with said hydrofuge gas outlet with said air inlet respectively, and the other end links to each other with the said first drier bottom interface;
One end of second magnetic valve and the 4th magnetic valve links to each other with said hydrofuge gas outlet with said air inlet respectively, and the other end links to each other with the said second drier bottom interface.
In addition, preferred construction is that when said first drier carried out drying operation, the outer heating jacket of said second drier heated said second drier;
After said first drier carries out drying operation to the gas that is dried; The dry gas that produces 5%～8% under the control of said needle-valve the upper interface from said second drier get into said second drier; The effect that regenerate adsorbent in said second drier, the moisture that adsorbent produced in said second drier of regenerating rely on gravity and air-flow from the bottom inlet of said second drier via said the 4th magnetic valve and said hydrofuge gas outlet discharge.
In addition; Preferred construction is; When the dew-point temperature of the dry gas that produces at said first drier is higher than-60 ℃; Write down the drying work time T of said first drier, and open the outer heating jacket of said first drier said first drier is heated with the adsorbent in said first drier of regenerating, start said second drier simultaneously and carry out drying operation;
The adsorbent of dry gas in T regenerates said first drier in the time that said second drier produces; Heating jacket outside said first drier continues heating T/2 after the time to the adsorbent in said first drier, stops to heat said first drier.
In addition, preferred construction is in said first drier and second drier, to adopt the 1Cr18Ni9Ti stainless steel tube to encapsulate said adsorbent.
In addition, preferred construction is,
Upper interface and bottom interface at said first drier and second drier respectively encapsulate one 60～80 purpose stainless steel wire tennis.
In addition, preferred construction is that described gas-drying system also comprises:
Encapsulate the porous plate shell of said first drier, second drier, magnetic valve, unidirectional non-return valve.
Utilize above-mentioned gas-drying system according to the utility model; Can utilize the heat effect of the outer heater of drier in the blowback process to improve the regeneration efficiency of adsorbent in the drier, and control the flow of the dry gas of output flexibly through the pressure regulator of dry gas output.The utility model can adsorb adding under the normal pressure and temperature, utilizes the adsorbent (for example molecular sieve) in 5%～8% dried work gas blowback drier that it is carried out activating and regenerating simultaneously.Since the heat effect of the heater in the blowback process outside the drier, thus make the efficient of desorb increase greatly, the source of the gas that the degree of drying that produces is very high.In addition, the hot type gas automatic regeneration drying system that utilizes the utility model to provide can make the quality index of output services gas reach dew-point temperature-60～-70 ℃.
The utility model is simple in structure, and is easy to operate, and is convenient to control, and the gas that is particularly useful for less space environments such as laboratory is dry.
In order to realize above-mentioned and relevant purpose, one or more aspects of the utility model comprise the characteristic that the back will specify and in claim, particularly point out.Some illustrative aspects that following explanation and accompanying drawing have specified the utility model.Yet, the indication of these aspects only be some modes that can use in the variety of way of principle of the utility model.In addition, the utility model is intended to comprise all these aspects and their equivalent.
Description of drawings
Through with reference to below in conjunction with the explanation of accompanying drawing and the content of claims, and along with the more complete understanding to the utility model, other purpose of the utility model and result will understand and should be readily appreciated that more.In the accompanying drawings:
Fig. 1 shows the simple structure sketch map according to the gas-drying system of the utility model embodiment;
Fig. 2 shows according to dryer configuration sketch map in the gas-drying system of the utility model embodiment;
Fig. 3 shows according to heating-pipe structure sketch map in the gas-drying system of the utility model embodiment;
Fig. 4 is the gas drying process sketch map of the utility model embodiment.
Description of reference numerals:
Magnetic valve-21,22,23,24;
Threeway-31,32,33,34,35,36,37;
Copper tube-11,12,13,14,15,16,17,18;
Drier-41,42;
Heater-61,62;
Time controller-74;
Needle-valve-72;
Pressure regulator-71;
Molecular sieve-81.
Identical label is indicated similar or corresponding feature or function in institute's drawings attached.
The specific embodiment
Below will combine accompanying drawing that the specific embodiment of the utility model is described in detail.
The utility model adopts transformation absorption and two kinds of methods that principle combines of alternating temperature absorption; Promptly utilize adsorbent its moisture after heating gas desorption efficient that is dried to increase these characteristics, the drying of gas and the activating and regenerating of adsorbent are carried out in circulation between two driers.
The gas-drying system that the utility model provides comprises the unidirectional non-return valve between magnetic valve, the upper interface that is connected two driers and the gas vent between two driers (first drier, second drier), the bottom interface that is connected to two driers and gas feed and the outlet of hydrofuge gas; Link to each other with magnetic valve respectively with the time controller of control magnetic valve open and close; Be connected between the upper interface of two driers needle-valve, be connected the pressure regulator of gas outlet end with the flow of regulating the output dry gas with the ratio of regulating the required dry gas of adsorbent reactivation in the drier.
And in two driers, be provided with and be used for adsorbing the adsorbent of moisture of gas of being dried; Time controller is controlled the time of said magnetic valve open and close according to the adsorption efficiency of adsorbent; In addition, outside two driers, be respectively arranged with heating jacket, be used for, to utilize from the part dry gas of another drier output adsorbent the heated drier of regenerating according to one of them drier of the control of time controller heating.
In the statement of the utility model; The adsorption efficiency of adsorbent refers to that adsorbent is for the adsorption capacity of moisture in the drier, and its value is between 0～100%, in general; When adsorbent when being maximum for the adsorption capacity of moisture; Its adsorption efficiency is 100%, in the application of the utility model, then shows the state after this adsorbent holomorphosis; When adsorption efficiency is 0, show that then this adsorbent can not absorb any moisture again.But because adsorption efficiency is a relatively abstract concept; Also can't carry out concrete measurement in the present technology to it; From another angle, the dew-point temperature of the dry gas that the adsorption efficiency of adsorbent can be exported in drying operation according to drier is confirmed.Because the dew-point temperature of dry gas can be measured with dew point hygrometer with comparalive ease; Therefore; In the utility model; Utilize the dew-point temperature of dry gas to judge the drying efficiency of adsorbent in the drier, so the time controller in the utility model is the time of controlling the magnetic valve open and close according to the dew-point temperature of output dry gas.
In an embodiment of the utility model, if the dew-point temperature of the dry gas that drier produced is higher than-60 ℃, just explaining that adsorbent in the drier is suitable has continued drying operation, needs then carries out the activating and regenerating of adsorbent.Preferred, when the dew-point temperature of the dry gas of drier output is higher than-65 ℃, just stop the drying operation of this drier, to improve the quality of dry gas.
Fig. 1 shows the simple structure sketch map according to the gas-drying system of the utility model embodiment.
As shown in Figure 1, the gas-drying system that the utility model provides comprises that mainly 4 magnetic valves, 2 driers, 1 needle-valve, 7 threeways, 2 unidirectional non-return valves, 1 cover are by time controller 74 time control circuit of forming and the copper tube that is connected above-mentioned part.
The drier 42 on right side among drier 41 on the left of two driers are respectively among Fig. 1 and Fig. 1; Two driers are respectively arranged with outward by being wrapped in drier outer heating jacket heater 61 and constitute with heater 62; Be used for when the adsorbent of activating and regenerating drier, drier being heated; To increase the air pressure in the drier, improve the activation efficiency of adsorbent.Two driers have two interfaces up and down respectively, are connected with threeway by needle-valve 72 between the upper interface, and the bottom interface links to each other with hydrofuge gas vent 18 with extraneous gas import 11 respectively with magnetic valve through threeway.
After the power supply of gas-drying system is switched on; Suppose to be undertaken by the drier 41 in left side earlier the drying operation of gas; Then time control circuit can be opened the magnetic valve 22 that is connected between drier 41 and extraneous gas (gas is dried) import 11 automatically; Make the external gas that is dried (like high pure nitrogen or air) enter into drier 41; Molecular sieve in the drier 41 can be with nitrogen or airborne water adsorption, and dried most dry gas are exported with the air-flow of pressure regulator 71 controls through pipeline 14 through threeway 35, non-return valve 51, threeway 37 as work gas; And another fraction dry gas delivered to after by the noticeable degree flow in the drier 42 on right side of the heating of switching on; From blowing to down with discharging as the moisture in the molecular sieve of adsorbent the drier 42; The copper pipe 18 that one emptying is arranged in the bottom of gas-drying system connects the flux of moisture that one section emulsion tube just can be measured discharge on this pipe.
In this specific embodiment, drier 42 can continue about 2.5～3.5 hours backs of heating and cut off heating voltage, and the cooling back is for use naturally.And drier 41 will continuous firing about 5～7 hours after, open the heating voltage of drier 41, the molecular sieve heating of drier 41; Simultaneously, drier 42 is born 5～7 hours air feed task.Drier 41 can continue heating and cut off heating voltage after 2.5～3.5 hours, and cooling is for use naturally.And drier 42 will be worked about 5～7 hours.The circulation that so goes round and begins again down, and work gas will be more and more drier, till equilibrating to a mean value.
The confirming of above-mentioned time confirms comprehensively that according to the adsorption capacity of the adsorbent in two driers and the moisture in the gas that is dried concrete quantizating index is then confirmed with the dew-point temperature of output dry gas.After adsorbent work a period of time, the adsorption efficiency of adsorbent just can descend, and in the present embodiment, just carries out activating and regenerating and handles when the dew-point temperature of the dry gas that produces is higher than-60 ℃.That is to say; In the drying system specification of present embodiment; Thereby the dew-point temperature of the dry gas that the drier continuous firing will cause the adsorption efficiency of adsorbent wherein to descend about 5～7 hours make generation is higher than-60 ℃, will make wherein adsorbent at the adsorption efficiency of (comprising 2.5～3.5 hours that continue heating) activating and regenerating to needs in 5～7 hours of heating beginning in about 2.5～3.5 hours and continue heating.Because the relative humidity of source of the gas is with changing in weather, season, so the final continuous working period of present embodiment formed drier in test process can be in a time interval (5～7 hours) to some extent.
Certainly, in a metastable source of the gas environment, the continuous working period of drier can be set at a fixed value.Can in test process, detect the dew-point temperature of dry gas; When the dew-point temperature of the dry gas that produces when drier is higher than-60 ℃; Just can note the lasting dry work time T of this drier, and with the lasting drying time in this setting-up time controller; Then can be set at T/2 the lasting heat time heating time of adsorbent being carried out reducing/regenerating, and the dry gas that another drier produces after stopping to heat continues the adsorbent in this drier of regeneration.
Can find out that through the foregoing description the utility model adopts the adsorbent in the drier is carried out effective combination of warming and pressurizing, has reached the maximum activating and regenerating of adsorbent, can guarantee dry mass and improve drying efficiency.In addition, in a preferred implementation of the utility model, the dry gas of noticeable degree 5%～8% is used for the activating and regenerating of drier adsorbent.Dry gas as producing is 20L, and the dry gas that then is used for the activating and regenerating of adsorbent is controlled at about 1L～1.5L.
Through measuring, the utility model can make dried work gas reach dew point-60 ℃～-70 ℃.
In a preferred implementation of the utility model, can also make dried work gas reach dew point-65 ℃～-70 ℃ through time set to time controller.
In another preferred implementation of the utility model, adopt 1Cr18Ni9Ti stainless steel tube encapsulation adsorbent, can not get rusty in long-term the use to guarantee package parts, prolong the service life of drier.
In addition; Broken and pleasant road blows out when preventing that adsorbent from using for a long time; Influence the folding of magnetic valve; The two ends (being upper interface and bottom interface end) of the drier of the gas-drying system that provides at the utility model respectively encapsulate one 60～80 purpose stainless steel wire tennis, stop dust to reach, and can regularly replace.
Fig. 2 shows according to dryer configuration sketch map in the gas-drying system of the utility model embodiment.As shown in Figure 2, drier 41,42 inside evenly are provided with the adsorbent 81 that is used for adsorption moisture, in the embodiment of the utility model, adopt molecular sieve as adsorbent.
Fig. 3 shows according to heating-pipe structure sketch map in the gas-drying system of the utility model embodiment.As shown in Figure 3, the heater 61,62 in the utility model is the heating jacket around drier.For the ease of the heat radiation of dryer system, the shell of the utility model drying system design porous plate.The power designs of heater is 100w～400w, so that flexible Application is in laboratory environment.
Describe with the gas-drying system of a more concrete example to the utility model below, in this embodiment, at first the drier 42 on right side at first carries out drying operation.
Behind the power connection, time controller 74 can be opened magnetic valve 21 and 23 automatically, and external air or nitrogen get into magnetic valve 23, threeway 32 through pipe 11 through threeway 31; Enter into drier 42 through pipe 12, gas through managing 13, gets into threeway 36, unidirectional non-return valve 52 from the top; By threeway 37; Get into pressure regulators 71 through pipe 14, output services throughput 0～20L, dew-point temperature-65 ℃～-70 ℃.Simultaneously, the dried gas of part enters into threeway 35 by threeway 36 after needle-valve 72 is regulated, enter into drier 41 through pipe 15, and gas gets into threeway 33 through managing 16, through magnetic valve 21, gets into threeway 34 through pipe 17, emits moisture by pipe 18.And at pipe after 18 ends connect a flowmeter 73, adjustment needle-valve 72, making flowmeter 73 output flows is 1L～1.5L, regulate flow for the first time after, take out flowmeter.
In drier 42 work, heater 61 begins to be drier 41 heating that temperature is controlled at 350 ℃～450 ℃; After being 2.5～3.5 hours heat time heating time, stop heating, cooled off 2.5～3.5 hours; Switch to magnetic valve 22 and magnetic valve 24 conductings by time controller 74 then; Magnetic valve 21 cuts out with magnetic valve 23, gets into the next cycle, and promptly each cycle is 5～7 hours.
Get into next all after dates, heater 62 begin the heating, temperature is controlled at 350 ℃～450 ℃, be 2.5～3.5 hours heat time heating time after, stop the heating, cooled off 2.5～3.5 hours.This moment, compressed air or nitrogen were through managing 11 through threeway 31 entering magnetic valves 22, threeway 33; Enter into drier 41 through pipe 16, gas through managing 15, gets into threeway 35, unidirectional non-return valve 51 from the top; By threeway 37; Get into pressure regulators 71 through pipe 14, output services throughput 0～20L, dew-point temperature-65 ℃～-70 ℃.Simultaneously, the dried gas of 1L～1.5L enters into threeway 36 by threeway 35 after needle-valve 72 is regulated, enter into drier 42 through pipe 12, and dry back gas gets into threeway 32 through managing 12, through magnetic valve 24, gets into threeway 34 through pipe 19, emits moisture by pipe 18.By regulating flow in the period 1, keep flow this moment is 1L～1.5L to needle-valve.
In drier 41 work, heater 62 begins to be drier 42 heating that temperature is controlled at 350 ℃～450 ℃; After being 2.5～3.5 hours heat time heating time; Stop heating, cooled off 2.5～3.5 hours, switch to magnetic valve 21 and magnetic valve 23 conductings by time controller 74 then; Magnetic valve 22 cuts out with magnetic valve 24, gets into the next cycle.
Fig. 4 is the gas drying process sketch map of the utility model embodiment.As shown in Figure 4, the drying process of the gas-drying system that the utility model provides is following:
At first, make the gas that is dried get into first drier, heat second drier simultaneously from the bottom interface of first drier through time controller control magnetic valve;
Then, through the dry gas that is dried that gets in first drier of the adsorbent in first drier;
Then; Noticeable degree through being connected between first, second drier upper interface is exported through unidirectional non-return valve and pressure regulator from the part of the dry gas of the upper interface output of first drier, and another part gets into second drier through the second drier upper interface;
Then, utilize the dry gas that gets into second drier from the second drier upper interface adsorbent second drier of regenerating;
Then, when the dew-point temperature of the dry gas that produces at first drier is higher than-60 ℃, make the gas that is dried get into second drier, heat first drier simultaneously from the bottom interface of second drier through time controller control magnetic valve;
Then, through the dry gas that is dried that gets in second drier of the adsorbent in second drier;
Then; Noticeable degree through being connected between first, second drier upper interface is exported through unidirectional non-return valve and pressure regulator from the part of the dry gas of the upper interface output of second drier, and another part gets into first drier through the first drier upper interface;
Then, utilize the dry gas that gets into first drier from the first drier upper interface adsorbent first drier of regenerating;
When the dew-point temperature of the dry gas that produces at second drier then is higher than-60 ℃, repeat the first step, utilize first drier to carry out drying operation, simultaneously the adsorbent in activating and regenerating second drier.The above-mentioned steps reciprocation cycle promptly forms the dry run of two drier cycle operations.
Preferably, when the dew-point temperature of the dry gas that produces at first drier is higher than-60 ℃, write down the drying work time T of first drier;
Carry out in the process of drying operation at second drier; All the time the dry gas that utilizes second drier to produce adsorbent in first drier of regenerating; And the adsorbent in first drier being continued heating T/2 after the time, stop to heat first drier, cooling is for use naturally.
The utility model has utilized effective combination of transformation absorption and alternating temperature absorption, adsorbs adding under the normal pressure and temperature, utilizes the interior adsorbent (for example molecular sieve) of the dried work gas of part blowback drier that it is carried out activating and regenerating simultaneously.Because the heat effect of the heater in the blowback process outside the drier; Thereby make the efficient of desorb increase greatly, the source of the gas that the degree of drying that produces is very high, and; Utilize the output gas flow amount that pressure regulator can be controlled flexibly to be needed at the dry gas output, be convenient to the experimenter and control.
As above with the mode of example the gas-drying system according to the utility model is described with reference to accompanying drawing.But, it will be appreciated by those skilled in the art that the gas-drying system that proposes for above-mentioned the utility model, can also on the basis that does not break away from the utility model content, make various improvement.Therefore, the protection domain of the utility model should be confirmed by the content of appending claims.
Claims (6)
1. gas-drying system; Comprise first drier, second drier, be connected to the bottom interface of said two driers and the unidirectional non-return valve between magnetic valve, the upper interface that is connected said two driers and the gas vent between gas feed and the outlet of hydrofuge gas; It is characterized in that, also comprise:
Link to each other with said magnetic valve respectively with the time controller (74) of controlling said magnetic valve open and close;
Be connected between the upper interface of two said driers needle-valve (72) with the ratio of regulating the required dry gas of adsorbent reactivation in the said drier; With
Be connected gas outlet end to regulate the pressure regulator (71) of the flow of exporting dry gas; And
In said two driers, be provided with and be used for adsorbing the adsorbent of moisture of gas of being dried;
Said time controller (74) is controlled the time of said magnetic valve open and close according to the dew-point temperature of gas after the drying;
Outside said two driers, be respectively arranged with heating jacket (61; 62); Be used for according to one of them drier of the control of said time controller heating, to utilize from the part dry gas of another drier output adsorbent the said heated drier of regenerating.
2. gas-drying system as claimed in claim 1 is characterized in that,
Said adsorbent is a molecular sieve.
3. gas-drying system as claimed in claim 1 is characterized in that,
Said magnetic valve is 4, wherein,
One end of first magnetic valve and the 3rd magnetic valve links to each other with said hydrofuge gas outlet with said air inlet respectively, and the other end links to each other with the said first drier bottom interface;
One end of second magnetic valve and the 4th magnetic valve links to each other with said hydrofuge gas outlet with said air inlet respectively, and the other end links to each other with the said second drier bottom interface.
4. gas-drying system as claimed in claim 3 is characterized in that,
In said first drier and second drier, adopt the 1Cr18Ni9Ti stainless steel tube to encapsulate said adsorbent.
5. gas-drying system as claimed in claim 1 is characterized in that,
Upper interface and bottom interface at said first drier and second drier respectively encapsulate one 60～80 purpose stainless steel wire tennis.
6. gas-drying system as claimed in claim 1 is characterized in that, also comprises:
Encapsulate the porous plate shell of said first drier, second drier, magnetic valve, unidirectional non-return valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201589532U CN202155136U (en) | 2011-05-18 | 2011-05-18 | Gas drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201589532U CN202155136U (en) | 2011-05-18 | 2011-05-18 | Gas drying system |
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| CN202155136U true CN202155136U (en) | 2012-03-07 |
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| CN2011201589532U Expired - Lifetime CN202155136U (en) | 2011-05-18 | 2011-05-18 | Gas drying system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205200A (en) * | 2011-05-18 | 2011-10-05 | 中国计量科学研究院 | Gas drying system and method |
| CN103457013A (en) * | 2013-08-14 | 2013-12-18 | 西安交大凯达新技术有限责任公司 | Waveguide inflator |
| CN108579352A (en) * | 2018-06-25 | 2018-09-28 | 长沙经济技术开发区祥原动力供应有限公司 | A kind of drying system and its control method for compressed gas |
| CN111609316A (en) * | 2020-05-27 | 2020-09-01 | 中国科学院上海天文台 | Small-sized full-automatic circulating drying gas filling system and operation method thereof |
| CN111927551A (en) * | 2020-07-16 | 2020-11-13 | 江苏华力矿业科技有限公司 | Gas pretreatment device applied to monitoring of underground laser beam tube of coal mine |
-
2011
- 2011-05-18 CN CN2011201589532U patent/CN202155136U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205200A (en) * | 2011-05-18 | 2011-10-05 | 中国计量科学研究院 | Gas drying system and method |
| CN103457013A (en) * | 2013-08-14 | 2013-12-18 | 西安交大凯达新技术有限责任公司 | Waveguide inflator |
| CN103457013B (en) * | 2013-08-14 | 2015-07-15 | 西安交大凯达新技术有限责任公司 | Waveguide inflator |
| CN108579352A (en) * | 2018-06-25 | 2018-09-28 | 长沙经济技术开发区祥原动力供应有限公司 | A kind of drying system and its control method for compressed gas |
| CN111609316A (en) * | 2020-05-27 | 2020-09-01 | 中国科学院上海天文台 | Small-sized full-automatic circulating drying gas filling system and operation method thereof |
| CN111927551A (en) * | 2020-07-16 | 2020-11-13 | 江苏华力矿业科技有限公司 | Gas pretreatment device applied to monitoring of underground laser beam tube of coal mine |
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