CN2355776Y - Purifier for compressed air - Google Patents
Purifier for compressed air Download PDFInfo
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- CN2355776Y CN2355776Y CN 99202148 CN99202148U CN2355776Y CN 2355776 Y CN2355776 Y CN 2355776Y CN 99202148 CN99202148 CN 99202148 CN 99202148 U CN99202148 U CN 99202148U CN 2355776 Y CN2355776 Y CN 2355776Y
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- compressed air
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- high efficiency
- adsorption tower
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Abstract
The utility model particularly discloses a purifying device for compressed air, which belongs to the technical field of separation. The utility model comprises a high efficiency precooler, an evaporator, a high efficiency filter, an absorption tower, a refrigerating compressor, etc. A main flow adjusting valve and an emergency bypass flow adjusting valve are connected between the output end of the evaporator and the input end of the high efficiency filter. The two flow adjusting valves are respectively connected with the output end of a controller. The input end of the controller is respectively connected with a humid heat compressed air inlet, a dry compressed air outlet, the output end of the evaporator and the refrigerating compressor. A temperature cooling and pressurizing valve is connected between a dry air outlet and a regenerating air inlet of the adsorption tower.
Description
The utility model belongs to separation technology field, relates in particular to the purifier of a kind of compressed air de-oiling and dehydration part.
Along with the development of technology, the particularly fast development of high-tech technology is had higher requirement to compressed-air actuated quality (remaining oil content, moisture content in the compressed air).Comparatively perfect purifier is the combined compressed air purifier that freezing type drier becomes with alternating temperature pressure change adsorption type drier organic assembling in the prior art, its flow process as shown in Figure 1, among the figure, part 1 is efficient forecooler, part 2 is regeneration heat exchangers, part 3 is evaporimeters, part 4 is high efficiency particulate air filters, part 5 is adsorption tower transfer valves, part 6 is adsorption towers, and part 7 is that check-valves is used in regeneration, and part 8 is dust filter units, part 9 is refrigeration compressors, a, b is respectively damp and hot compressed air inlet of efficient forecooler and outlet, c, d is respectively efficient forecooler purification of compressed air low temperature inlet and backheat outlet, e, f is respectively regeneration heat exchanger entrance and outlet, g, h is respectively outlet of adsorption tower dry gas and regeneration gas inlet, and its purification process is as follows:
1 freezing type drier will be cooled to 40 ℃ of compressed air water contents minimizing pressure leak sources through the air compressor aftercooler and be about about 2 ℃.
1.1 in the efficient forecooler 1 of freezing type drier, damp and hot compressed air is cooled to about moisture content and mist of oil that further removes below 16.5 ℃ in the compressed air by about 40 ℃.
1.2 in the evaporimeter 3 of freezing type drier, cooled dose of evaporative cooling of compressed air is cooled to about 2 ℃ by about 16.5 ℃, further removes moisture content and mist of oil again.
1.3 send about about 2 ℃ compressed air through high efficiency particulate air filter 4, further remove mist of oil again, and make remaining oil content in the compressed air reach the index of customer requirements by evaporimeter 3.
2 send about about 2 ℃ compressed air by high efficiency particulate air filter 4 enters in the alternating temperature pressure change adsorption type drier 6 through adsorption tower transfer valve 5, moisture content in the compressed air is reduced to the content of customer requirements.The operating temperature of alternating temperature pressure change adsorption type drier is about 2 ℃, raise approximately about 2 ℃ through compressed air temperature after the adsorption dry, deliver to efficient forecooler 1, about 40 ℃ damp and hot compressed air of sending in this and air accumulator carries out heat exchange, and temperature rises to about 35 ℃ of outputs by 4 ℃ and uses for the user.6 regeneration of alternating temperature pressure change adsorption type drier are provided with regenerator 2 separately with the both available dried compressed air of compressed air and are heated to about about 38 ℃ in forecooler 1, enter drying tower drier is regenerated (as shown in Figure 1); Also can cancel regenerator 2, directly use about 35 ℃ dried compressed air of backheat, enter drying tower drier is regenerated (as shown in Figure 2).
The major defect that existing combined compressed air purifier technology exists is:
1 is difficult to adapt to the bigger variation of air mass flow, thereby causes compressed air purifier outlet air dew point instability or do not reach lower degree.
2 when causing refrigeration compressor to stop transport when the refrigeration compressor catastrophic failure, the evaporator outlet compressed air temperature can very fast rising, damp-heat air enters adsorption tower, the compressed air dew-point temperature of adsorption tower outlet will raise rapidly like this, drier in several all after date adsorption towers almost is saturation state, has lost adsorption capacity.
The purpose of this utility model provides a kind of compressed air purifier, and this device changes or refrigeration compressor when breaking down at extraneous air inlet state, can control automatically to keep outlet compressed air dew-point temperature stable.
In order to achieve the above object, the utility model has adopted following design: compressed air purifier, it comprises efficient forecooler, the regeneration heat exchanger, evaporimeter, high efficiency particulate air filter, adsorption tower transfer valve adsorption tower, the regeneration check-valves, dust filter unit and refrigeration compressor, between evaporimeter output and efficient degreasing filter input, be connected with main flow control valve and accident bypass flow control valve, two flow control valves are connected with the output of controller respectively, the input of controller respectively with damp and hot compressed air inlet, the dried compressed air outlet, the evaporimeter output links to each other with refrigeration compressor; Between outlet of adsorption tower dry gas and regeneration gas inlet, be connected with the cooling equalizer valve.Its course of work is: compressed air is about aftercooler cools to 40 ℃, behind air accumulator, enter compressed air purifier, behind efficient forecooler and evaporimeter, air themperature is reduced to about 2 ℃, make the compressed air about 2 ℃ enter high efficiency particulate air filter and absorption type dryer by the main flow control valve, the compressed air of the low temperature drying of absorption type dryer output enters efficient forecooler carries out heat exchange with the inlet high temperature compressed air after output most of for user's use, wherein the compressed air of sub-fraction high temperature drying returns absorption type dryer again and regenerates; Or absorption type dryer regeneration with high temperature drying compressed air also directly the regeneration from forecooler extract with heat exchanger.Controller is by obtaining inlet condition (temperature, pressure) and evaporator outlet temperature parameter, after handling as calculated, send the execution signal to the main flow control valve, adjust and handle flow, compare with setting the outlet dew-point temperature with the outlet air dew-point temperature then, again the main flow control valve is finely tuned.When the refrigeration compressor fault is stopped transport, controller is handled the back as calculated and is sent signal by controller by obtaining the temperature parameter of evaporator air outlet, closes the main flow control valve, unlatching accident bypass valve is to guarantee the stable of absorption type dryer operate as normal and outlet air dew-point temperature.For making adsorption layer temperature stabilization in the adsorption tower, in regenerative process, be provided with the cool-drying air equalizer valve of lowering the temperature, the relative humidity of the Cryogenic air that enters absorption type dryer is remained on more than 80%, and then it is stable to guarantee to export dew-point temperature.
Adopt the utility model can reach following effect:
(1) still has the advantage of existing combined compressed air purifier.
A) energy savings, the power of refrigeration compressor can reduce more than 1/3.
B) the regeneration air consumption is few, is about 2.8%～5%.
C) the outlet air pressure leak source can reach-70 ℃.
D) compact conformation.
(2) the outlet air dew-point temperature is stable.Because the setting of main flow control valve, make absorption type dryer be in optimum Working all the time, and the variation of extraneous compressed air parameter, this device is had no effect or influences minimum, add the adsorption tower regenerative process and adopt cool-drying gas, make the stable more guaranteed of outlet air dew point temperature cooling in the adsorption tower and pressurising.
(3) because the setting of bypass accident control valve, solved when refrigeration compressor accident or underload, the main flow control valve cuts out rapidly, bypass accident control valve is opened, the flow that the bypass guard valve passes through is about 25%～30% of specified processing flow, the maximum flow of handling can reach 50%, can guarantee that absorption type dryer outlet dew-point temperature is stable.
(4) applicable to handling flow, temperature, pressure limit variation occasion greatly.
(5) do not influence the compressed-air actuated dew-point temperature of outlet owing to adopted safety protection control device, refrigeration compressor when the compressed air load fluctuation changes, can carry out intermitten service, realized the energy-saving run of refrigeration compressor.Its amount of energy saving is relevant with compressed air load variations size.
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 has combined compressed air purifier (regenerator is arranged) now
Fig. 2 has combined compressed air purifier (no regenerator) now
Fig. 3 the utility model compressed air purifier (regenerator is arranged)
Fig. 4 the utility model compressed air purifier (no regenerator)
Among the figure, part 1 is efficient forecooler, part 2 is regeneration heat exchangers, part 3 is evaporimeters, part 4 is high efficiency particulate air filters, part 5 is adsorption tower transfer valves, and part 6 is adsorption towers, and part 7 is regeneration check-valves, part 8 is dust filter units, part 9 is refrigeration compressors, and part 10 is controllers, and part 11 is main flow control valves, part 12 is accident bypass flow control valves, part 13 is cooling equalizer valves, a, b is respectively damp and hot compressed air inlet of efficient forecooler and outlet, c, d is respectively efficient forecooler purification of compressed air low temperature inlet and backheat outlet, e, f is respectively regeneration heat exchanger entrance and outlet, g, h, i is respectively the outlet of adsorption tower dry gas, the regeneration gas inlet, cooling pressurising gas inlet, j, k, l, m is respectively the input of controller, n, o is respectively the output of controller.
Compressed air purifier, as shown in Figure 3, it comprises efficient forecooler 1, regeneration heat exchanger 2, evaporimeter 3, high efficiency particulate air filter 4, adsorption tower transfer valve 5, adsorption tower 6, regeneration check-valves 7, dust filter unit 8 and refrigeration compressor 9, between evaporimeter 3 outputs and efficient degreasing filter 4 inputs, be connected with main flow control valve 12 and accident bypass flow control valve 11, two flow control valves 12,11 respectively with the output n of controller 10, o connects, the input j of controller 10, k, l, m respectively with damp and hot compressed air inlet, the dried compressed air outlet, evaporimeter 3 outputs link to each other with refrigeration compressor 9; Between adsorption tower 6 dry gas outlet g and regeneration gas inlet h, be connected with cooling equalizer valve 13.Its course of work is: compressed air is about aftercooler cools to 40 ℃, behind air accumulator, enter compressed air purifier, behind efficient forecooler 1 and evaporimeter 3, air themperature is reduced to about 2 ℃, make the compressed air about 2 ℃ enter high efficiency particulate air filter 4 and absorption type dryer 6 by main flow control valve 12, output is used for the user after entering efficient forecooler 1 and carry out heat exchange with the inlet high temperature compressed air from the compressed air major part of the low temperature drying of absorption type dryer 6 output, and wherein the compressed air of sub-fraction low temperature drying enters to regenerate and returns absorption type dryer 6 again after rising again with heat exchanger 2 and regenerate.Absorption type dryer 6 regeneration with high temperature drying compressed air also can be directly from the returning absorption type dryer 6 for an extraction part the efferent duct of user's use and regenerate of forecooler 1, as shown in Figure 4.Controller 10 is by obtaining inlet condition (temperature, pressure) and evaporimeter 3 outlet temperature parameters, after handling as calculated, send the execution signal to main flow control valve 12, adjust and handle flow, compare with setting the outlet dew-point temperature with the outlet air dew-point temperature then, again main flow control valve 12 is finely tuned.When refrigeration compressor 9 faults are stopped transport, controller 10 is by obtaining the temperature parameter of evaporimeter 3 outlet airs, handle the back as calculated and send signal by controller 10, close main flow control valve 12, unlatching accident bypass valve 11 is to guarantee the stable of absorption type dryer 6 operate as normal and outlet air dew-point temperature.For making adsorption layer temperature stabilization in the adsorption tower 6, in regenerative process, be provided with the cool-drying air and lower the temperature and equalizer valve 13, the relative humidity of the Cryogenic air that enters absorption type dryer 6 is remained on more than 80%, and then it is stable to guarantee to export dew-point temperature.
It is the industrial compressed-air actuated purification of 0.5～2.5MPa that the utility model can be used for flowed fluctuation scope 10%～100%, 20 ℃～80 ℃ of temperature fluctuation ranges and pressure.
Claims (1)
- Compressed air purifier, it comprises efficient forecooler (1), regeneration heat exchanger (2), evaporimeter (3), high efficiency particulate air filter (4), adsorption tower transfer valve (5), adsorption tower (6), regeneration check-valves (7), dust filter unit (8) and refrigeration compressor (9), it is characterized in that between evaporimeter (3) output and high efficiency particulate air filter (4) input, being connected with main flow control valve (12) and accident bypass flow control valve (11), two flow control valves (12,11) be connected with the output of controller (10) respectively, the input of controller (10) respectively with damp and hot compressed air inlet, the dried compressed air outlet, evaporimeter (3) output links to each other with refrigeration compressor (9), is connected with cooling equalizer valve (13) between outlet of adsorption tower (6) dry gas and regeneration gas inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99202148 CN2355776Y (en) | 1999-01-15 | 1999-01-15 | Purifier for compressed air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99202148 CN2355776Y (en) | 1999-01-15 | 1999-01-15 | Purifier for compressed air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2355776Y true CN2355776Y (en) | 1999-12-29 |
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ID=33997693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99202148 Expired - Lifetime CN2355776Y (en) | 1999-01-15 | 1999-01-15 | Purifier for compressed air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2355776Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101455935B (en) * | 2008-12-15 | 2011-02-09 | 广州市汉粤净化科技有限公司 | Combination type drying machines controller |
| CN101468288B (en) * | 2007-12-24 | 2011-09-07 | 同方环境股份有限公司 | Desulfurizer suitable for sulfuric dioxide of large-scope change and control method thereof |
| CN101450276B (en) * | 2008-12-15 | 2011-09-14 | 广州市汉粤净化科技有限公司 | Adsorption type drier controller |
| CN103221691A (en) * | 2010-11-22 | 2013-07-24 | 优迪卡汽车株式会社 | Compressed air supply device |
| CN103847213A (en) * | 2012-12-04 | 2014-06-11 | 明冠能源(江西)有限公司 | Energy-saving composite method |
| CN104528654A (en) * | 2014-10-08 | 2015-04-22 | 吉林市卓欣康泰医疗科技有限公司 | Medical central oxygen-generating air purification system and operation method thereof |
| CN104874504A (en) * | 2015-06-06 | 2015-09-02 | 合肥铭锋模具铸造有限公司 | Spraying line |
| CN108636068A (en) * | 2018-06-04 | 2018-10-12 | 江苏新凯晟机械设备有限公司 | A kind of compressed air absorption drier control system |
| CN109268681A (en) * | 2018-07-23 | 2019-01-25 | 上海加力气体有限公司 | A kind of Vaporizing Station cryogenic liquid cold recovery system |
-
1999
- 1999-01-15 CN CN 99202148 patent/CN2355776Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101468288B (en) * | 2007-12-24 | 2011-09-07 | 同方环境股份有限公司 | Desulfurizer suitable for sulfuric dioxide of large-scope change and control method thereof |
| CN101455935B (en) * | 2008-12-15 | 2011-02-09 | 广州市汉粤净化科技有限公司 | Combination type drying machines controller |
| CN101450276B (en) * | 2008-12-15 | 2011-09-14 | 广州市汉粤净化科技有限公司 | Adsorption type drier controller |
| CN103221691A (en) * | 2010-11-22 | 2013-07-24 | 优迪卡汽车株式会社 | Compressed air supply device |
| CN103221691B (en) * | 2010-11-22 | 2016-01-20 | 优迪卡汽车株式会社 | Pressurized air supplier |
| CN103847213A (en) * | 2012-12-04 | 2014-06-11 | 明冠能源(江西)有限公司 | Energy-saving composite method |
| CN104528654A (en) * | 2014-10-08 | 2015-04-22 | 吉林市卓欣康泰医疗科技有限公司 | Medical central oxygen-generating air purification system and operation method thereof |
| CN104874504A (en) * | 2015-06-06 | 2015-09-02 | 合肥铭锋模具铸造有限公司 | Spraying line |
| CN108636068A (en) * | 2018-06-04 | 2018-10-12 | 江苏新凯晟机械设备有限公司 | A kind of compressed air absorption drier control system |
| CN109268681A (en) * | 2018-07-23 | 2019-01-25 | 上海加力气体有限公司 | A kind of Vaporizing Station cryogenic liquid cold recovery system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHONGYE SAIDI ENGINEERING TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CHONGQING IRON AND STEEL DESIGN INST., MINISTRY OF METALLURGICAL INDUSTRY Effective date: 20030919 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20030919 Patentee after: Zhongye Saide Engineering Technology Co., Ltd. Patentee before: Chongqing Iron and Steel Design Inst., Min MI |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |