CN105510170A - Multifunctional gas supply device - Google Patents
Multifunctional gas supply device Download PDFInfo
- Publication number
- CN105510170A CN105510170A CN201610058763.0A CN201610058763A CN105510170A CN 105510170 A CN105510170 A CN 105510170A CN 201610058763 A CN201610058763 A CN 201610058763A CN 105510170 A CN105510170 A CN 105510170A
- Authority
- CN
- China
- Prior art keywords
- unit
- gas outlet
- breather valve
- intake opening
- air intake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
- G01N5/045—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder for determining moisture content
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a multifunctional gas supply device which comprises a purifying unit, a first ventilating valve, a gas pump unit, a deoxidization unit, a second ventilating valve, a flow control unit and a refrigerating unit. The gas outlet of the purifying unit is connected with the first ventilating valve. The first gas outlet of the first ventilating valve is connected with the gas pump unit. The second gas outlet of the first ventilating valve is connected with the deoxidization unit. The gas outlet of the deoxidization unit is connected with the gas inlet of the gas pump unit. The gas outlet of the gas pump unit is connected with the second ventilating valve. The first gas outlet of the second ventilating valve is connected with the flow control unit. The second gas outlet of the second ventilating valve is connected with the refrigerating unit. The gas outlet of the refrigerating unit is connected with the gas inlet of the flow control unit. Compared with the prior art, the multifunctional gas supply device has the advantages that different ventilating states are automatically switched according to different experiments, the atmosphere meeting the experiment requirements is provided, and the multifunctional gas supply device is easy to operate, economical and practical.
Description
Technical field
The present invention relates to industrial air feed field, particularly relate to a kind of multi-functional feeder.
Background technology
Coal is industrial important fuel, carries out technical analysis and contributes to understanding the character of coal, better play the effect of coal to coal.The technical analysis of coal mainly refers to the analysis to moisture in coal, ash content, volatile matter equal size.Concrete, under water analysis refers to nitrogen environment, sample, in (105-110) DEG C constant temperature process a period of time, calculates the proportion of the loss in weight before and after coal; Under ash analysis refers to abundant oxygen atmosphere, sample, 500 DEG C, 815 DEG C constant temperature process a period of times, calculates the proportion of the loss in weight before and after coal; Under volatile matter analysis refers to the environment of isolated air, sample, 900 DEG C of constant temperature process a period of times, calculates the proportion of the loss in weight before and after coal.As the above analysis, in the technical analysis process of coal, analysis atmosphere and Control for Kiln Temperature are the keys of analytic process.
At present, provide about the atmosphere of coal proximate analysis and mainly contain gas cylinder and provide method and pressurized air to provide method two kinds.Gas cylinder provides method to be to meet the gas bomb of requirement of experiment, connects the instruments such as decompressor, variable valve, pressure, flowmeter successively, to be filled with desired gas in experimental furnace; The method meets the technical requirement of GB completely, but gas bomb needs often to change, and cost is high, and replacement operation is complicated.And pressurized air provides method to be adopt air air pump extracting air, during by air compressing to suitable pressure, then inflate air in experimental furnace by flow controlling unit; The method is economical and practical, simple to operate, but when water analysis, is air due to what be filled with, with the strict demand difference to some extent of GB, causes final also inaccurate to the analysis result of coal.
In addition, after carrying out ash analysis and volatile matter analysis design mothod to sample, the temperature of body of heater nearly 815 DEG C, if need to test next time, then needs experimental furnace temperature to drop to normal temperature.And whole temperature-fall period needs the very long time, if Temperature fall mode needs 5-6 hour; If adopt fan to carry out the mode of convection current, then at least need 2-3 hour.Therefore a lot of laboratory, be difficult to adopt same instrument to carry out twice ash analysis or volatile matter analytical test a working day, testing efficiency is low.
Summary of the invention
The invention reside in the shortcoming and deficiency that overcome prior art, a kind of different ventilatory state that can automatically switch according to different experiments is provided, the atmosphere meeting requirement of experiment is provided, and simple to operate, economical and practical, convenient and practical multi-functional feeder.
The present invention is achieved by the following technical solutions: a kind of multi-functional feeder comprises clean unit, the first breather valve, air pump unit, deacidification unit, the second breather valve, flow controlling unit and refrigeration unit; The air intake opening of described clean unit connects outside air, and gas outlet connects the first breather valve; First gas outlet of described first breather valve connects the air intake opening of described air pump unit, and the second gas outlet of described first breather valve connects the air intake opening of described deacidification unit, and the gas outlet of described deacidification unit is connected with the air intake opening of described air pump unit; The gas outlet of described air pump unit connects the second breather valve; First gas outlet of described second breather valve connects the air intake opening of described flow controlling unit, second gas outlet of described second breather valve connects the air intake opening of described refrigeration unit, and the gas outlet of described refrigeration unit is connected with the air intake opening of described flow controlling unit; The gas outlet of described flow controlling unit connects outside experimental furnace.
Compared to prior art, multi-functional feeder provided by the invention is by connecting deacidification unit to reduce the oxygen content in air, and then the protective atmosphere providing nitrogen content higher for outside experimental furnace, and the water analysis realizing coal is tested; Thering is provided sufficient oxygen with the connection of deacidification unit with externally experimental furnace by disconnecting, realizing the ash analysis experiment of coal; After air cooling air pump unit extracted by refrigeration unit, lead to uniformly and stably in outside experimental furnace, realize the fast cooling of experimental furnace, improve testing efficiency.The present invention is according to different experiments, and automatically switch different ventilatory state, provides the atmosphere meeting requirement of experiment, simple to operate, economical and practical, convenient and practical.
Further, described clean unit comprises a purification pipe; Be provided with drying agent in the pipeline of described purification pipe, and its air intake opening and gas outlet are respectively equipped with one deck filter cotton.Outside air filters out dust through the filter cotton of described purification pipe air intake opening end; Discolour silica gel particle filtering again in described purification pipe falls moisture, finally by the filter cotton of described purification pipe gas outlet end, becomes the air of dried and clean.
Further, described deacidification unit comprises a deoxidation pipe; Be provided with reduced iron powder in the pipeline of described deoxidation pipe, and its air intake opening and gas outlet are respectively equipped with one deck crude iron grain.After oxygen in air and reduced iron powder and the abundant contact reaction of crude iron grain, concentration is reduced greatly.At the gas outlet end of described deoxidation pipe, oxygen concentration can control within 1%, and then improves the higher protective atmosphere of nitrogen content for water analysis.
Further, described refrigeration unit comprise casing, refrigeration coiled pipe, semiconductor chilling plate and the radiator fan be arranged in casing; The two ends of described casing and refrigeration coiled pipe are respectively equipped with corresponding air intake opening and gas outlet; Refrigeration end and the described refrigeration coiled pipe of described semiconductor chilling plate are fitted; The radiating end of described semiconductor chilling plate is relative with described radiator fan.The refrigeration end of described semiconductor chilling plate produces a large amount of refrigerating capacitys and is delivered to described refrigeration coiled pipe, and then makes the air in refrigeration coiled pipe be able to quick cooling; And the heat that described semiconductor chilling plate work produces will be discharged from its radiating end, and drain in time through described radiator fan, guarantee the normal work of described semiconductor chilling plate.
Further, described drying agent is discolour silica gel particle; Described filter cotton is absorbent cotton.
Further, a controller and sensor is also comprised; Described first breather valve, air pump unit, refrigeration unit, the second breather valve are connected with described controller respectively with flow controlling unit; Described sensor setting is in outside experimental furnace and be connected with described controller signals.
In order to understand better and implement, describe the present invention in detail below in conjunction with accompanying drawing.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the multi-functional feeder embodiment of the present invention;
Fig. 2 is the structural representation of clean unit shown in Fig. 1;
Fig. 3 is the structural representation of deacidification unit shown in Fig. 1;
Fig. 4 is the structural representation of refrigeration unit shown in Fig. 1.
Embodiment
Refer to Fig. 1, it is the process flow diagram of the multi-functional feeder embodiment of the present invention.This kind of multi-functional feeder, comprises clean unit 1, first breather valve 2, air pump unit 3, deacidification unit 4, second breather valve 5, flow controlling unit 6 and refrigeration unit 7.The air intake opening of described clean unit 1 connects outside air, and gas outlet connects the first breather valve 2; First gas outlet of described first breather valve 2 connects the air intake opening of described air pump unit 3, and the second gas outlet of described first breather valve 2 connects the air intake opening of described deacidification unit 4, and the gas outlet of described deacidification unit 4 is connected with the air intake opening of described air pump unit 3; The gas outlet of described air pump unit 3 connects the second breather valve 5; First gas outlet of described second breather valve 5 connects the air intake opening of described flow controlling unit 6, second gas outlet of described second breather valve 5 connects the air intake opening of described refrigeration unit 7, and the gas outlet of described refrigeration unit 7 is connected with the air intake opening of described flow controlling unit 6; The gas outlet of described flow controlling unit 6 connects outside experimental furnace.
Refer to Fig. 2, it is the structural representation of clean unit shown in Fig. 1.Described clean unit 1 comprises a purification pipe 11.Be provided with drying agent 12 in the pipeline of described purification pipe 11, and its air intake opening and gas outlet are respectively equipped with one deck filter cotton 13.Described drying agent 12 is discolour silica gel particle; Described filter cotton 13 is absorbent cotton.Outside air filters out dust through the filter cotton 13 of described purification pipe 11 air intake opening end; Discolour silica gel particle filtering again in described purification pipe 11 falls moisture, finally by the filter cotton 13 of described purification pipe 11 gas outlet end, becomes the air of dried and clean.
Refer to Fig. 3, it is the structural representation of deacidification unit shown in Fig. 1.Described deacidification unit 4 comprises a deoxidation pipe 41.Be provided with reduced iron powder 42 in the pipeline of described deoxidation pipe 41, and its air intake opening and gas outlet are respectively equipped with one deck crude iron grain 43.Oxygen in air and reduced iron powder 42 and crude iron grain 43 are fully after contact reaction, and concentration is reduced greatly.At the gas outlet end of described deoxidation pipe 41, oxygen concentration can control within 1%, and then improves the higher protective atmosphere of nitrogen content for water analysis.
Refer to Fig. 4, it is the structural representation of refrigeration unit shown in Fig. 1.Described refrigeration unit 7 comprises casing 71, the refrigeration coiled pipe 72 be arranged in casing, semiconductor chilling plate 73 and radiator fan 74.The two ends of described casing 71 and refrigeration coiled pipe 72 are respectively equipped with corresponding air intake opening and gas outlet; Refrigeration end and the described refrigeration coiled pipe 72 of described semiconductor chilling plate 73 are fitted; The radiating end of described semiconductor chilling plate 73 is relative with described radiator fan 74.The refrigeration end of described semiconductor chilling plate 73 produces a large amount of refrigerating capacitys and is delivered to described refrigeration coiled pipe 72, and then makes the air in refrigeration coiled pipe 72 be able to quick cooling; And the heat that described semiconductor chilling plate 73 work produces will be discharged from its radiating end, and drain in time through described radiator fan 74, guarantee the normal work of described semiconductor chilling plate 73.The temperature difference that refrigeration unit 7 of the present invention is imported and exported can reach (10-20) DEG C, and the air cooled through refrigeration unit 7 leads to outside experimental furnace, can realize the temperature reducing experimental furnace fast.
For realizing the automatic control of feeder, multi-functional feeder provided by the invention also comprises a controller and sensor (not shown); Described first breather valve 2, air pump unit 3, refrigeration unit 7, second breather valve 5 are connected with described controller respectively with flow controlling unit 6; Described sensor setting is in outside experimental furnace and be connected with described controller signals; Temperature, the pressure signal of the experimental furnace of described sensor through recording are sent to described controller, and described controller sends signal to described air pump unit 3, first breather valve 2, refrigeration unit 7, second breather valve 5 and flow controlling unit 6 again.Described air pump unit 3 receives the signal of described controller, to realize compressed-air actuated extraction and compression to external world; Described first breather valve 2 and the second breather valve 5 receive the signal of described controller, to realize the opening and closing to air intake opening and gas outlet; Described refrigeration unit 7 receives the signal of described controller, controls the closedown of described semiconductor chilling plate 73 and radiator fan 74, to realize the quick cooling to air; After described flow controlling unit 6 receives the signal of described controller, stable for a certain amount of gas is transported in outside experimental furnace.
When needing the experiment realizing water analysis in a nitrogen environment: the first gas outlet of described first breather valve 2 is closed, and the second gas outlet is opened; First gas outlet of described second breather valve 5 is opened, and the second gas outlet is closed.Described air pump unit 3 works, and from extraneous extracting air, outside air is purified through described clean unit 1, then is oxidized by described deacidification unit 4, the oxygen concentration in air is reduced greatly, to obtain the higher protective atmosphere of nitrogen content; Finally by air higher for nitrogen content after described air pump unit 3 compresses, be transported to uniformly and stably in experimental furnace by described flow controlling unit 6.
When needing to carry out ash analysis experiment under abundant oxygen atmosphere: the first gas outlet of described first breather valve 2 is opened, and the second gas outlet is closed; First gas outlet of described second breather valve 5 is opened, and the second gas outlet is closed.Described air pump unit 3 works, and from extraneous extracting air, outside air is purified through described clean unit 1, then after described air pump unit 3 compresses, is transported to uniformly and stably in experimental furnace by described flow controlling unit 6.
When needing that experimental furnace is lowered the temperature to external world: the first gas outlet of described first breather valve 2 is opened, the second gas outlet is closed; First gas outlet of described second breather valve 5 is closed, and the second gas outlet is opened.Described air pump unit 3 works, and from extraneous extracting air, outside air is purified through described clean unit 1, again after described air pump unit 3 compresses, pass through described refrigeration unit 7 again air fast cooling, finally again the gas after cooling is transported in experimental furnace uniformly and stably by described flow controlling unit 6 again, to reduce the temperature of experimental furnace fast, to start the experiment of next time.
Compared to prior art, multi-functional feeder provided by the invention is by connecting deacidification unit to reduce the oxygen content in air, and then the protective atmosphere providing nitrogen content higher for outside experimental furnace, and the water analysis realizing coal is tested; Thering is provided sufficient oxygen with the connection of deacidification unit with externally experimental furnace by disconnecting, realizing the ash analysis experiment of coal; After air cooling air pump unit extracted by refrigeration unit, lead to uniformly and stably in outside experimental furnace, realize the fast cooling of experimental furnace, improve testing efficiency.The present invention is according to different experiments, and automatically switch different ventilatory state, provides the atmosphere meeting requirement of experiment, simple to operate, economical and practical, convenient and practical.
The present invention is not limited to above-mentioned embodiment, if do not depart from the spirit and scope of the present invention to various change of the present invention or distortion, if these are changed and distortion belongs within claim of the present invention and equivalent technologies scope, then the present invention is also intended to comprise these changes and distortion.
Claims (6)
1. a multi-functional feeder, is characterized in that: comprise clean unit, the first breather valve, air pump unit, deacidification unit, the second breather valve, flow controlling unit and refrigeration unit; The air intake opening of described clean unit connects outside air, and gas outlet connects the first breather valve; First gas outlet of described first breather valve connects the air intake opening of described air pump unit, and the second gas outlet of described first breather valve connects the air intake opening of described deacidification unit, and the gas outlet of described deacidification unit is connected with the air intake opening of described air pump unit; The gas outlet of described air pump unit connects the second breather valve; First gas outlet of described second breather valve connects the air intake opening of described flow controlling unit, second gas outlet of described second breather valve connects the air intake opening of described refrigeration unit, and the gas outlet of described refrigeration unit is connected with the air intake opening of described flow controlling unit; The gas outlet of described flow controlling unit connects outside experimental furnace.
2. multi-functional feeder according to claim 1, is characterized in that: described clean unit comprises a purification pipe; Be provided with drying agent in the pipeline of described purification pipe, and its air intake opening and gas outlet are respectively equipped with one deck filter cotton.
3. multi-functional feeder according to claim 1, is characterized in that: described deacidification unit comprises a deoxidation pipe; Be provided with reduced iron powder in the pipeline of described deoxidation pipe, and its air intake opening and gas outlet are respectively equipped with one deck crude iron grain.
4. multi-functional feeder according to claim 1, is characterized in that: described refrigeration unit comprises casing, refrigeration coiled pipe, semiconductor chilling plate and the radiator fan be arranged in casing; The two ends of described casing and refrigeration coiled pipe are respectively equipped with corresponding air intake opening and gas outlet; Refrigeration end and the described refrigeration coiled pipe of described semiconductor chilling plate are fitted; The radiating end of described semiconductor chilling plate is relative with described radiator fan.
5. multi-functional feeder according to claim 2, is characterized in that: described drying agent is discolour silica gel particle; Described filter cotton is absorbent cotton.
6. multi-functional feeder according to claim 1, is characterized in that: also comprise a controller and sensor; Described first breather valve, air pump unit, refrigeration unit, the second breather valve are connected with described controller respectively with flow controlling unit; Described sensor setting is in outside experimental furnace and be connected with described controller signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610058763.0A CN105510170B (en) | 2016-01-28 | 2016-01-28 | A kind of multi-functional feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610058763.0A CN105510170B (en) | 2016-01-28 | 2016-01-28 | A kind of multi-functional feeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105510170A true CN105510170A (en) | 2016-04-20 |
| CN105510170B CN105510170B (en) | 2019-04-02 |
Family
ID=55718311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610058763.0A Active CN105510170B (en) | 2016-01-28 | 2016-01-28 | A kind of multi-functional feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105510170B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1195107A (en) * | 1997-03-27 | 1998-10-07 | 马鞍山钢铁股份有限公司 | Purifying pre-treater for coal gas analyzer |
| CN1482462A (en) * | 2003-07-29 | 2004-03-17 | 罗华东 | Combined measuring method for technical analysis of coal quality and analyzer thereof |
| CN1502550A (en) * | 2002-11-26 | 2004-06-09 | 株式会社福原 | Nitrogen production method and equipment |
| US20060208098A1 (en) * | 2004-08-04 | 2006-09-21 | Waters Investment Limited | Humidity-controlled chamber for a thermogravimetric instrument |
| CN101315314A (en) * | 2008-07-03 | 2008-12-03 | 北京大学 | Atmospheric aerosol trapping method and device |
| CN101349688A (en) * | 2008-08-26 | 2009-01-21 | 东北大学 | Multifunctional general-purpose coal fines combustion test apparatus and method |
| CN101479011A (en) * | 2006-12-08 | 2009-07-08 | 艾摩罗那股份公司 | Method and device for the regulated supply of incoming air |
| CN101846642A (en) * | 2010-05-21 | 2010-09-29 | 中国科学院山西煤炭化学研究所 | Fast pyrolytic test device and application |
| CN101869797A (en) * | 2010-07-30 | 2010-10-27 | 上海穗杉实业有限公司 | Method and apparatus for extracting high-purity nitrogen from air |
| CN102553666A (en) * | 2011-12-28 | 2012-07-11 | 山东益源环保科技有限公司 | Multifunctional intelligent distillation instrument |
| CN203629990U (en) * | 2013-12-09 | 2014-06-04 | 通标标准技术服务（天津）有限公司 | Industrial analyzer of coal |
| CN105241781A (en) * | 2015-11-13 | 2016-01-13 | 柳州舜泽尔汽车零部件有限公司 | Detection device and detection method for car carbon tank butane working capacity |
| CN205562323U (en) * | 2016-01-28 | 2016-09-07 | 湖南省计量检测研究院 | Multi -functional air feeder |
-
2016
- 2016-01-28 CN CN201610058763.0A patent/CN105510170B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1195107A (en) * | 1997-03-27 | 1998-10-07 | 马鞍山钢铁股份有限公司 | Purifying pre-treater for coal gas analyzer |
| CN1502550A (en) * | 2002-11-26 | 2004-06-09 | 株式会社福原 | Nitrogen production method and equipment |
| CN1482462A (en) * | 2003-07-29 | 2004-03-17 | 罗华东 | Combined measuring method for technical analysis of coal quality and analyzer thereof |
| US20060208098A1 (en) * | 2004-08-04 | 2006-09-21 | Waters Investment Limited | Humidity-controlled chamber for a thermogravimetric instrument |
| CN101479011A (en) * | 2006-12-08 | 2009-07-08 | 艾摩罗那股份公司 | Method and device for the regulated supply of incoming air |
| CN101315314A (en) * | 2008-07-03 | 2008-12-03 | 北京大学 | Atmospheric aerosol trapping method and device |
| CN101349688A (en) * | 2008-08-26 | 2009-01-21 | 东北大学 | Multifunctional general-purpose coal fines combustion test apparatus and method |
| CN101846642A (en) * | 2010-05-21 | 2010-09-29 | 中国科学院山西煤炭化学研究所 | Fast pyrolytic test device and application |
| CN101869797A (en) * | 2010-07-30 | 2010-10-27 | 上海穗杉实业有限公司 | Method and apparatus for extracting high-purity nitrogen from air |
| CN102553666A (en) * | 2011-12-28 | 2012-07-11 | 山东益源环保科技有限公司 | Multifunctional intelligent distillation instrument |
| CN203629990U (en) * | 2013-12-09 | 2014-06-04 | 通标标准技术服务（天津）有限公司 | Industrial analyzer of coal |
| CN105241781A (en) * | 2015-11-13 | 2016-01-13 | 柳州舜泽尔汽车零部件有限公司 | Detection device and detection method for car carbon tank butane working capacity |
| CN205562323U (en) * | 2016-01-28 | 2016-09-07 | 湖南省计量检测研究院 | Multi -functional air feeder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105510170B (en) | 2019-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100470434C (en) | Device and method for controlling atmosphere components and pressure balance in negative pressure container | |
| ATE504743T1 (en) | SYSTEM AND METHOD FOR CONTROLLING THE PERFORMANCE OF A SCREW COMPRESSOR | |
| CN203385599U (en) | Gas analysis system for high-dust and high-water-content sample gas environment | |
| CN105510170A (en) | Multifunctional gas supply device | |
| CN205562323U (en) | Multi -functional air feeder | |
| CN202083568U (en) | Pulverized coal sampling device | |
| CN102325578B (en) | Method and apparatus for separating component of gaseous component | |
| CN209752559U (en) | Compressed air drying system | |
| CN204152759U (en) | A kind of air compressor air filter mounting structure | |
| CN103007726A (en) | Device for preventing wet desulfurization outlet flue from low-temperature corrosion and control method thereof | |
| CN107617314A (en) | A kind of zero gas consumption compression heat regenerative drying machine | |
| CN206489151U (en) | A kind of gas analysis meter cooling system | |
| CN201404762Y (en) | Adsorption high-pressure natural gas dehydration unit | |
| CN203829869U (en) | Zero-gas-consumption compression heat regeneration adsorption type drying machine | |
| CN203803342U (en) | Compressed waste heat adsorption type drying machine with zero resurgent gas loss | |
| CN207493438U (en) | Zero gas consumption absorption drier of low temperature compression hot recycling | |
| CN205427654U (en) | Electrical control cabinet based on sensor technology uses | |
| CN206648882U (en) | Sampling refrigerating device in a kind of Chemical Manufacture | |
| CN201960134U (en) | Vacuum drying system for powder metallurgy mixture slurry | |
| CN201289303Y (en) | Device for connecting smelting furnace and maintaining furnace | |
| CN202485461U (en) | Condensing device of vacuum furnace | |
| CN203823439U (en) | Novel heat exchange gas supply device for LNG (liquefied natural gas) low temperature storage tank | |
| CN203916410U (en) | A kind of entrucking shipment gas superzapping contracting oil gas system | |
| CN204629455U (en) | Boiler smoke flying dust back-burning device | |
| CN103425144A (en) | Zirconia oxygen analyzer with automatic calibration gas flow regulation function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |