CN201698241U - Explosion-proof type self temperature-controlled sample air cooling device - Google Patents
Explosion-proof type self temperature-controlled sample air cooling device Download PDFInfo
- Publication number
- CN201698241U CN201698241U CN2010202289475U CN201020228947U CN201698241U CN 201698241 U CN201698241 U CN 201698241U CN 2010202289475 U CN2010202289475 U CN 2010202289475U CN 201020228947 U CN201020228947 U CN 201020228947U CN 201698241 U CN201698241 U CN 201698241U
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- temperature
- heat exchanger
- air cooling
- explosion
- solenoid valve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model discloses an explosion-proof type self temperature-controlled sample air cooling device which is characterized in that the explosion-proof type self temperature-controlled sample air cooling device includes a heat exchanger, a vortex type cooler, a solenoid valve, a temperature controller and a temperature sensor; the solenoid valve is connected between an air source and the inlet of the vortex type cooler in series; the cold air outlet of the vortex type cooler is connected with the lower port of the heat exchanger; the temperature sensor is installed in the heat exchanger; the temperature signal of the temperature sensor and the on-off of the solenoid valve are controlled by the temperature controller. The vortex type air cooling way of the explosion-proof type self temperature-controlled sample air cooling device avoids the electric explosion-proof problems related in dangerous industrial areas; the temperature sensor and the temperature controller solve the rationality and accuracy problems of temperature control under the change of the environmental temperature and sample air temperature of the device, and provides an more intelligent and friendly operating interface for the field.
Description
Technical field
The utility model relates to a kind of sample gas refrigerating plant, relates in particular to a kind of anti-explosion type temperature self-control sample air cooling radiator cooler.
Background technology
In industrial gasses are measured, be not subjected to the damage of liquid phase substance in order to protect analyzer, and guarantee the accuracy of analysis of analyzer, often need carry out gas phase and liquid phase separation to sample gas, generally all can adopt condensation method to realize.Common refrigeration modes has following several, compressor formula electronic condenser, semiconductor-type refrigeration electronic condenser, the condensation of hydrothermal exchange formula and eddy current type condensation.And in most of industry spot owing to there is a flammable explosive gas hazardous location, so the explosion-proof performance of product is all had strict requirement, general explosion-proof electrical type condenser manufactures suitable trouble, and bulky, so adopt back two kinds of methods more.And similar eddy current type refrigerator ubiquity does not have temperature control, condensation effect promptly might change after environment or sample temperature degree changed, temperature is crossed when hanging down and is occurred refrigeration easily excessively, the phenomenon of freezing, present stage, the methods of manual shift admission pressure that adopt realized temperature control, very trouble more.
The utility model content
The utility model provides a kind of anti-explosion type temperature self-control sample air cooling radiator cooler at the problems referred to above, can A.T.C, guarantee condensation effect, and can satisfy the requirement of explosion proof of hazardous location again.
Technical problem to be solved in the utility model is achieved through the following technical solutions:
A kind of anti-explosion type temperature self-control sample air cooling radiator cooler, it is characterized in that: described device comprises heat exchanger, eddy current type refrigerator, solenoid valve, temperature controller and temperature sensor;
Described solenoid valve is connected between source of the gas and the import of eddy current type refrigerator; Eddy current type refrigerator cold air outlet is connected with the heat exchanger end opening; Temperature sensor is installed in the heat exchanger, and the temperature signal of temperature sensor and solenoid valve break-make are controlled by temperature controller.
Described heat exchanger comprises heatpiston's shell, aluminium alloy inner core and sample gas heat exchanger tube; Sample gas heat exchanger tube inserts in the aluminium alloy inner core, and heatpiston's shell is established in aluminium alloy inner core outside.
Be filled with some stainless steel metal rings in the described sample gas heat exchanger tube, effect is to guarantee that condensate water can not form liquid film at sample feed channel inwall, and the formation of liquid film can cause heat exchanger effectiveness to reduce.Condensed fluid can be caught by metal charge, and portion flows within it, can not influence wall and conduct heat.
Make the helical duct that some cold airflows are crossed between described aluminium alloy inner core outside and the heatpiston's shell.
Described temperature sensor is installed in the heat exchanger aluminium alloy inner core.
Solenoid valve is series between source of the gas and the eddy current type refrigerator, and the output of the break-make of solenoid valve control refrigerator refrigerating capacity reaches temperature controlled effect.Temperature sensor is installed in the heat exchanger aluminium alloy inner core, and signal is sent to temperature controller.Temperature controller is accepted the signal from temperature sensor, and its control output is connected to the solenoid-driven coil, drives the solenoid valve action.
The utlity model has following advantage:
The utility model air whirl formula refrigeration modes has been avoided involved electrical explosion proof problem in the use of industrial hazard zone, temperature sensor and temperature controller have solved device temperature controlled rationality and accuracy problem under environment temperature and sample gas influence of temperature variation, and the close friend's of an intelligent operation interface is provided for the scene.
Description of drawings
Fig. 1 is the utility model schematic flow sheet
As shown in the figure, 1-solenoid valve, 2-eddy current type refrigerator, 3-temperature controller, 4-temperature sensor, 5-heat exchanger, 6-sample gas heat exchanger tube, 7-aluminium alloy inner core, 8-metal charge.
Embodiment
The utility model is described in further detail below in conjunction with Figure of description.
As shown in Figure 1, a kind of anti-explosion type temperature self-control sample air cooling radiator cooler, it is characterized in that: described device comprises heat exchanger 5, eddy current type refrigerator 2, solenoid valve 1, temperature controller 3 and temperature sensor 4;
Described solenoid valve 1 is connected between source of the gas and 2 imports of eddy current type refrigerator; Eddy current type refrigerator 2 cold air outlets are connected with heat exchanger 5 end openings; Temperature sensor 4 is installed in the heat exchanger 5, and the temperature signal of temperature sensor 4 and solenoid valve break-make are by temperature controller 3 controls.
Described heat exchanger 5 comprises heatpiston's shell, aluminium alloy inner core 7 and sample gas heat exchanger tube 6; Sample gas heat exchanger tube 6 inserts in the aluminium alloy inner core 7, and heatpiston's shell is established in aluminium alloy inner core 7 outsides.
Be filled with some stainless steel metal rings 8 in the described sample gas heat exchanger tube, effect is to guarantee that condensate water can not form liquid film at sample feed channel inwall, and the formation of liquid film can cause heat exchanger effectiveness to reduce.Condensed fluid can be caught by metal charge 8, and portion flows within it, can not influence wall and conduct heat.
Make the helical duct that some cold airflows are crossed between described aluminium alloy inner core 7 outsides and the heatpiston's shell.
Described temperature sensor 4 is installed in the heat exchanger aluminium alloy inner core 7.
Source of the gas enters the eddy current type refrigerator through behind the explosion-proof type solenoid valve of DN11, and bleed pressure is controlled at more than the 3bar, and this moment, the temperature drop of eddy current type refrigerator can reach more than 30 ℃.The cold junction pipe is connected with heat exchanger, and cold air enters helical duct and the aluminium alloy inner core carries out heat interchange, smears silicone grease between aluminium alloy inner core and the sample gas heat exchanger tube to improve heat exchange performance.
Temperature sensor adopts armouring Pt100 thermal resistance, temperature measurement range-50 ℃-180 ℃, and the armouring sheath is directly introduced in the flameproof enclosure of temperature controller, clamps with the cable tightening member.
Temperature controller adopts the 220V power supply, and input type is pt100, and the output node capacity is 250V, 3A.
In the explosion-proof connection box of the band glass vision panel that it is ExdIIBT6 that temperature controller is installed in an explosive-proof grade, output cable is connected to the explosion-proof type solenoid valve, the break-make of control electromagnetic valve.When measuring temperature above setting value, solenoid valve is opened, and pressurized air enters in the eddy current type refrigerator, and the refrigerator cold junction discharges cold air and enters heat exchanger, and when temperature was lower than setting value, solenoid valve disconnected, and does not have gas to enter in the eddy current type refrigerator, stopped refrigeration.
The aluminium alloy inner core of heat exchanger provides a temperature inertia values for system, regulates its size and the installation site of temperature sensor, can reduce the switch motion frequency of temperature controller, but also can reduce temperature controlled precision.Through test, the temperature control precision of this gas quench system can be controlled in ± 0.5 ℃ in, temperature controller output action frequency is about 10min/ time, the requirement of satisfied temperature control accuracy, simultaneous temperature controller and solenoid valve also are guaranteed serviceable life.
Claims (5)
1. anti-explosion type temperature self-control sample air cooling radiator cooler, it is characterized in that: described device comprises heat exchanger, eddy current type refrigerator, solenoid valve, temperature controller and temperature sensor;
Described solenoid valve is connected between source of the gas and the import of eddy current type refrigerator; Eddy current type refrigerator cold air outlet is connected with the heat exchanger end opening; Temperature sensor is installed in the heat exchanger, and the temperature signal of temperature sensor and solenoid valve break-make are controlled by temperature controller.
2. anti-explosion type temperature self-control sample air cooling radiator cooler as claimed in claim 1 is characterized in that: described heat exchanger comprises heatpiston's shell, aluminium alloy inner core and sample gas heat exchanger tube; Sample gas heat exchanger tube inserts in the aluminium alloy inner core, and heatpiston's shell is established in aluminium alloy inner core outside.
3. anti-explosion type temperature self-control sample air cooling radiator cooler as claimed in claim 2 is characterized in that: make the helical duct that some cold airflows are crossed between described aluminium alloy inner core outside and the heatpiston's shell.
4. anti-explosion type temperature self-control sample air cooling radiator cooler as claimed in claim 2 is characterized in that: be filled with some stainless steel metal rings in the described sample gas heat exchanger tube.
5. anti-explosion type temperature self-control sample air cooling radiator cooler as claimed in claim 1 or 2, it is characterized in that: described temperature sensor is installed in the heat exchanger aluminium alloy inner core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202289475U CN201698241U (en) | 2010-06-18 | 2010-06-18 | Explosion-proof type self temperature-controlled sample air cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202289475U CN201698241U (en) | 2010-06-18 | 2010-06-18 | Explosion-proof type self temperature-controlled sample air cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201698241U true CN201698241U (en) | 2011-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202289475U Expired - Lifetime CN201698241U (en) | 2010-06-18 | 2010-06-18 | Explosion-proof type self temperature-controlled sample air cooling device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201698241U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104678052A (en) * | 2013-11-27 | 2015-06-03 | 上海宝钢工业技术服务有限公司 | Sensor purging medium treatment system |
| CN104677719A (en) * | 2013-12-03 | 2015-06-03 | 上海宝钢化工有限公司 | Sample gas cooling device for gas analyzer |
| CN104678053A (en) * | 2013-11-27 | 2015-06-03 | 上海宝钢工业技术服务有限公司 | Cooling system for strip steel coating quality online detection probe |
| CN107976084A (en) * | 2017-11-24 | 2018-05-01 | 桂林市雁山区教育局教学研究室 | A kind of smelting furnace explosion-protection equipment |
| US10047663B2 (en) | 2014-04-29 | 2018-08-14 | Dana Canada Corporation | Charge air cooler with multi-piece plastic housing |
-
2010
- 2010-06-18 CN CN2010202289475U patent/CN201698241U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104678052A (en) * | 2013-11-27 | 2015-06-03 | 上海宝钢工业技术服务有限公司 | Sensor purging medium treatment system |
| CN104678053A (en) * | 2013-11-27 | 2015-06-03 | 上海宝钢工业技术服务有限公司 | Cooling system for strip steel coating quality online detection probe |
| CN104677719A (en) * | 2013-12-03 | 2015-06-03 | 上海宝钢化工有限公司 | Sample gas cooling device for gas analyzer |
| US10047663B2 (en) | 2014-04-29 | 2018-08-14 | Dana Canada Corporation | Charge air cooler with multi-piece plastic housing |
| CN107976084A (en) * | 2017-11-24 | 2018-05-01 | 桂林市雁山区教育局教学研究室 | A kind of smelting furnace explosion-protection equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110105 |