CN205700604U - Circulated helium heating system - Google Patents
Circulated helium heating system Download PDFInfo
- Publication number
- CN205700604U CN205700604U CN201620312699.XU CN201620312699U CN205700604U CN 205700604 U CN205700604 U CN 205700604U CN 201620312699 U CN201620312699 U CN 201620312699U CN 205700604 U CN205700604 U CN 205700604U
- Authority
- CN
- China
- Prior art keywords
- helium
- surge tank
- mass flowmenter
- heater
- valve
- 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.)
- Expired - Fee Related
Links
Landscapes
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model discloses a kind of circulated helium heating system, including helium tank, helium compressor, vacuum gooster pump, surge tank, mass flowmenter, air relief valve, heater, filter, ball bed, regenerator, cooler, handpiece Water Chilling Units, valve；The surge tank of described helium compressor front end, described helium compressor, the surge tank of rear end, described mass flowmenter, described air relief valve, described regenerator, heater, filter, ball bed, cooler head and the tail are sequentially connected, and form closed loop；Described helium compressor is connected in parallel with described vacuum gooster pump；Described regenerator, for utilizing the helium heat of the ball bed port of export, improves energy utilization efficiency；Described heater is used for heating helium, and described cooler will be for circulating helium heat exchange to room temperature, it is simple to again participate in circulation.This utility model can carry out wide range combinations regulation to the circulation flow of helium, temperature and pressure, improves helium utilization rate simultaneously, reduces cost.
Description
Technical field
This utility model relates to a kind of heating system, particularly relates to a kind of circulated helium heating system.
Background technology
Along with the progress of science and technology, the characteristic research under material high temperature is increasingly paid attention to by researcher.The acquisition of material high temperature has various ways, high temperature oven baking, high-power resistance to directly heat and high-temperature gas purging is common three kind modes.In these three mode, if needing the impact on material hot properties of comprehensive study pressure, temperature, then the mode of heating of high-temperature gas purging will be optimum selection.
In the mode of heating of high-temperature gas purging, the selection of source of the gas is particularly important, it is necessary to get rid of the source of the gas interference to object of study.Helium is as noble gas, stable in properties, and has bigger specific heat, and above advantage becomes the first-selection of source of the gas in heating system.
In existing technology, helium heating system often takes techniques below means: the effect by air relief valve of the helium in steel cylinder, regulate to goal pressure to enter in heater and be heated to target temperature, heating target subsequently into destination apparatus, from destination apparatus, gas out drains into helium after cooling and collects in air bag or air.Although above technological means achieves the purpose heating target, but there is following shortcoming: helium cannot recycle the most simultaneously, cause the routine use high expensive of system；Prior art means experiment condition is single, it is impossible to reach target temperature room temperature～500 DEG C, goal pressure absolute pressure 0.1MPa～2.0MPa, gas flow 0.1m3/ h～20m3The comprehensive real-time high-precision regulation purpose of/h.
Utility model content
In view of this, the technical problems to be solved in the utility model is to provide a kind of rational in infrastructure, low cost, circulated helium heating system easy and simple to handle and saves helium to realize helium heating system, reach target temperature room temperature～500 DEG C, goal pressure absolute pressure 0.1MPa～2.0MPa, gas flow 0.1m3/ h～20m3The comprehensive real-time high-precision regulation purpose of/h.
This utility model one circulated helium heating system, including helium tank, helium compressor, vacuum gooster pump, surge tank, mass flowmenter, air relief valve, heater, filter, ball bed, regenerator, cooler, handpiece Water Chilling Units, valve.
Described surge tank includes the surge tank of surge tank and the rear end being arranged on helium compressor front end, the pressure in stabilisation systems, reduces system pressure undulating value.
The described surge tank of helium compressor front end, described helium compressor, the surge tank of rear end, described mass flowmenter, described air relief valve, described regenerator, heater, filter, ball bed, cooler head and the tail are sequentially connected, and form closed loop；
The outfan of described helium tank connects, by self sealss interface, one end that described surge tank is connected with described cooler；
Described helium compressor is connected in parallel with described vacuum gooster pump；
Described helium compressor is for being pressurized to the helium in system near target pressure value；
Described vacuum gooster pump is for evacuating or supercharging system.
Described mass flowmenter enters the helium gas flow of ball bed for measuring；
Described helium compressor and described cooler use handpiece Water Chilling Units to lower the temperature；Described regenerator, for utilizing the helium heat of the ball bed port of export, improves energy utilization efficiency；Described heater is used for heating helium, and described cooler will be for circulating helium heat exchange to room temperature, it is simple to again participate in circulation.
Described mass flowmenter includes that the first mass flowmenter and the second mass flowmenter, described first mass flowmenter and the second mass flowmenter are in parallel.
Wherein, described valve includes hand-operated valve, air relief valve and relief valve；
Described hand-operated valve is arranged on described helium compressor input and outfan, input and outfan, the input of described mass flowmenter, the outfan of described air relief valve, the outfan of described cooler of described vacuum gooster pump, its Main Function is regulation bypass flow, turns off or on branch road and facilitates gas sample etc..
Described air relief valve is arranged between mass flowmenter and heater 4, and Main Function is the circulation helium pressure that regulation enters ball bed；Described air relief valve has two, and the two is in parallel.
Described safety-valve is arranged between described helium tank and described surge tank, for carrying out safeguard protection when system pressure exceedes threshold value.
This utility model one circulated helium heating system, also includes pressure transducer, temperature sensor, check valve.
Described pressure transducer is separately positioned on surge tank and the porch of ball bed and exit, for measured pressure value.
Described temperature sensor is separately positioned on the leading portion of heater, stage casing and back segment, and the input of cooler and outfan, is used for measuring temperature.
Described check valve is separately positioned at the first mass flowmenter b1 and the second mass flowmenter b2 outfan.
Described hand-operated valve is arranged on the outfan of air relief valve.
Also it is in series with hand-operated valve between described front end surge tank and described helium compressor, between the entrance of described hand-operated valve and described helium compressor, uses self sealss interface.
Self sealss interface is used to be connected between the input of hand-operated valve and helium compressor, outfan.
Preferably, described filter includes the first filter and the second filter, is separately positioned on input and the outfan of described ball bed.
Preferably, described heater and ball bed are placed in special vacuum dewar.
Preferably, between described surge tank and mass flowmenter, it is provided with sample tap, is used for detecting oil content in circulation helium.
In this utility model, the pressure regulation spectrum of system is absolute pressure 0.1MPa～2.0MPa, and flow adjustment range is 0.1m3/ h～20m3/ h, temperature regulating range is room temperature to 500 DEG C, and pressure uses two parallel branch regulating stage by stage with flow, and in order to improve degree of regulation, temperature regulation uses the form of zone heating, the requirement interval to meet different temperatures.
Advantage of the present utility model is:
System pressure-bearing maximum can reach 3MPa；
System helium gas flow: 0.1m3/ h～20m3/ h, adjustable, can survey, certainty of measurement ± 1%FS；
Helium pressure (absolute pressure): 0.1MPa～2MPa in ball bed, adjustable, can survey, certainty of measurement ± 1%FS, degree of regulation ± 20KPa；
Ball bed tempertaure: room temperature～500 DEG C, adjustable, can survey, controlled, certainty of measurement ± 1 DEG C, control accuracy ± 10 DEG C, and be not less than 3 hours at target temperature value stabilization duration；
System resid amount :≤10ppm；
System pressure, temperature, data on flows are capable of automatically gathering；
System is provided with overtemperature, overpressure protection.
Below in conjunction with the accompanying drawings circulated helium heating system of the present utility model is described further.
Accompanying drawing explanation
Fig. 1 is circulated helium heating system pie graph.
Detailed description of the invention
As shown in Figure 1, the present embodiment one circulated helium heating system, including helium tank 1, helium compressor 2, vacuum gooster pump 3, surge tank (a1, a2), mass flowmenter (b1, b2), air relief valve (c1, c2), heater 4, filter (e1, e2), ball bed 5, regenerator 6, cooler 7, handpiece Water Chilling Units 8, valve.
Surge tank includes the surge tank a2 of surge tank a1 and the rear end being arranged on helium compressor front end, the pressure in stabilisation systems, reduces system pressure undulating value；
Surge tank a1, helium compressor 2, rear end surge tank a2, mass flowmenter, air relief valve, regenerator 6, heater 4, filter, ball bed 5, cooler 7 head and the tail are sequentially connected, and form closed loop.
The outfan of helium tank 1 connects, by self sealss interface, one end that surge tank a1 is connected with cooler 7；Helium compressor 1 is connected in parallel with vacuum gooster pump 3；Helium compressor 1 is for being pressurized to the helium in system near target pressure value；Supercharging when vacuum gooster pump 3 is for evacuating system or system pressure is less than absolute pressure 0.4MPa.
Mass flowmenter enters the helium gas flow of ball bed for measuring；Helium compressor 2 and cooler 7 use handpiece Water Chilling Units 8 to lower the temperature；Regenerator 6, for utilizing the helium heat of ball bed 5 port of export, improves energy utilization efficiency；Heater 4 is used for heating helium, and cooler 7 will be for circulating helium heat exchange to room temperature, it is simple to again participate in circulation.
Mass flowmenter includes that the first mass flowmenter b1 and the second mass flowmenter b2, described first mass flowmenter b1 and the second mass flowmenter b2 are in parallel.
Wherein, valve includes hand-operated valve, air relief valve and relief valve；
Hand-operated valve (MV1 MV18) is arranged on helium compressor 2 input and outfan, vacuum gooster pump 3 input and outfan, mass flowmenter input, air relief valve outfan, cooler outfan, its Main Function is regulation bypass flow, turns off or on branch road and facilitates gas sample etc..
Air relief valve is arranged between mass flowmenter and heater 4, and Main Function is the circulation helium pressure that regulation enters ball bed；Air relief valve includes that air relief valve c1 and air relief valve c2, air relief valve c1 and air relief valve c2 are in parallel.
Safety-valve is arranged between helium tank 1 and surge tank a1, for carrying out safeguard protection when system pressure exceedes threshold value.
The present embodiment one circulated helium heating system, also includes pressure transducer, temperature sensor, check valve.
Pressure transducer (PS1, PS2, PS3, PS4, PS5) is separately positioned on surge tank and the porch of ball bed 5 and exit, for measured pressure value.
Temperature sensor (T1, T2, T3, T4, T5) is separately positioned on the leading portion of heater 4, stage casing and back segment, and the input of cooler 7 and outfan, is used for measuring temperature.
Check valve (d1, d2) is separately positioned at the first mass flowmenter b1 and the second mass flowmenter b2 outfan.
Hand-operated valve is arranged on air relief valve c1 and air relief valve c2 outfan.
In the present embodiment, filter includes the first filter e1 and the second filter e2, is separately positioned on ball bed 5 input and outfan.
Also it is in series with hand-operated valve MV1 between front end surge tank a1 and helium compressor 2, is in series with hand-operated valve MV2 between the output port of surge tank a2 and helium compressor 2, and uses self sealss interface.
In the present embodiment, heater 4 and ball bed 5 are placed in special vacuum dewar.
It is provided with sample tap 9 between surge tank a2 and mass flowmenter, is used for detecting oil content in circulation helium.
The present embodiment is in actual mechanical process, first by vacuum gooster pump, whole system is evacuated, after system pressure is evacuated to less than 1000Pa, by steel cylinder helium, system is filled with high-purity helium of absolute pressure 0.3MPa pressurize 20 minutes, then proceed to system is evacuated, it is evacuated to system pressure less than after 1000Pa, repeats above step two to three times, complete the evacuation stream of system is washed operation.
Then, to being filled with the circulation helium that certain balance pressure purity is 99.9% in system.Circulation helium enters surge tank 2 after the effect supercharging of helium compressor or vacuum compressor, is then regulated to necessary flow, force value by the effect of decompressor and related valve, and the measurement of flow is realized by mass flowmenter.The certain gas heater via of pressure, flow is heated to target temperature laggard goal bed and heats ball bed granule.After regenerator, cooler effect, it is cooled to room temperature from ball bed helium out after first, finally enters surge tank 1 and continue to participate in circulation.
The pressure regulation spectrum of native system is absolute pressure 0.1MPa～2.0MPa, and flow adjustment range is 0.1m3/ h～20m3/ h, temperature regulating range is room temperature to 500 DEG C, and pressure uses two parallel branch regulating stage by stage with flow, and in order to improve degree of regulation, temperature regulation uses the form of zone heating, the requirement interval to meet different temperatures.
Embodiment described above is only to be described preferred implementation of the present utility model; not scope of the present utility model is defined; on the premise of without departing from this utility model design spirit; various deformation that the technical solution of the utility model is made by those of ordinary skill in the art and improvement, all should fall in the protection domain that this utility model claims determine.
Claims (7)
1. a circulated helium heating system, including helium tank, helium compressor, vacuum gooster pump, surge tank, mass flowmenter, air relief valve, heater, filter, ball bed, regenerator, cooler, handpiece Water Chilling Units, valve；
It is characterized in that,
Described surge tank includes the surge tank of surge tank and the rear end being arranged on helium compressor front end, the pressure in stabilisation systems；
The surge tank of described helium compressor front end, described helium compressor, the surge tank of rear end, described mass flowmenter, described air relief valve, described regenerator, heater, filter, ball bed, cooler head and the tail are sequentially connected, and form closed loop；
The outfan of described helium tank connects, by self sealss interface, one end that described surge tank is connected with described cooler；
Described helium compressor is connected in parallel with described vacuum gooster pump；
Described helium compressor is for being pressurized to the helium in system near target pressure value；
Described vacuum gooster pump is for evacuating or supercharging system；
Described mass flowmenter enters the helium gas flow of ball bed for measuring；
Described helium compressor and described cooler use handpiece Water Chilling Units to lower the temperature；Described regenerator is for utilizing the helium heat of the ball bed port of export；Described heater is used for heating helium, and described cooler will be for circulating helium heat exchange to room temperature.
Circulated helium heating system the most according to claim 1, it is characterised in that
Described mass flowmenter includes that the first mass flowmenter and the second mass flowmenter, described first mass flowmenter and the second mass flowmenter are in parallel；
Described valve includes hand-operated valve, air relief valve and relief valve；
Described hand-operated valve is arranged on described helium compressor input and outfan, input and outfan, the input of described mass flowmenter, the outfan of described air relief valve, the outfan of described cooler of described vacuum gooster pump；
Described air relief valve is arranged between mass flowmenter and heater.
Circulated helium heating system the most according to claim 2, it is characterised in that
Described air relief valve has two, and the two is in parallel；
Described safety-valve is arranged between described helium tank and described surge tank, for carrying out safeguard protection when system pressure exceedes threshold value.
4. according to a kind of circulated helium heating system described in Claims 2 or 3, it is characterised in that also include pressure transducer, temperature sensor, check valve；
Described pressure transducer is separately positioned on surge tank and the porch of ball bed and exit, for measured pressure value；
Described temperature sensor is separately positioned on the leading portion of described heater, stage casing and back segment, and the input of described cooler.
A kind of circulated helium heating system the most according to claim 4, it is characterised in that
Described hand-operated valve is arranged on the outfan of air relief valve；
Also it is in series with hand-operated valve between described front end surge tank and described helium compressor, between the entrance of described hand-operated valve and described helium compressor, uses self sealss interface；
Self sealss interface is used to be connected between the input of described hand-operated valve and described helium compressor, outfan.
A kind of circulated helium heating system the most according to claim 5, it is characterised in that
Described filter includes the first filter and the second filter, is separately positioned on input and the outfan of described ball bed；
Described heater and ball bed are placed in special vacuum dewar；
The sample tap measuring helium oil content it is provided with between described surge tank and mass flowmenter.
A kind of circulated helium heating system the most according to claim 6, it is characterised in that
The pressure regulation spectrum of system is absolute pressure 0.1MPa～2.0MPa, and flow adjustment range is 0.1m3/ h～20m3/ h, temperature regulating range is room temperature to 500 DEG C, and the temperature regulation of described heater uses the form of zone heating, the requirement interval to meet different temperatures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620312699.XU CN205700604U (en) | 2016-04-13 | 2016-04-13 | Circulated helium heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620312699.XU CN205700604U (en) | 2016-04-13 | 2016-04-13 | Circulated helium heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205700604U true CN205700604U (en) | 2016-11-23 |
Family
ID=57308918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620312699.XU Expired - Fee Related CN205700604U (en) | 2016-04-13 | 2016-04-13 | Circulated helium heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205700604U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728078A (en) * | 2016-04-13 | 2016-07-06 | 安徽万瑞冷电科技有限公司 | Helium gas circulating heating system |
-
2016
- 2016-04-13 CN CN201620312699.XU patent/CN205700604U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728078A (en) * | 2016-04-13 | 2016-07-06 | 安徽万瑞冷电科技有限公司 | Helium gas circulating heating system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105728078A (en) | Helium gas circulating heating system | |
| CN104374542B (en) | Atmospheric environmental wind tunnel temperature stratification simulation system | |
| CN204255668U (en) | The circulating device of simulated engine waste gas test cooler for recycled exhaust gas | |
| CN105352002B (en) | Steam extraction heating system | |
| CN104568369A (en) | Wind tunnel test system for air heat exchanger | |
| CN106680128B (en) | Cold and hot impact testing system for detecting service life of air intercooler | |
| CN205700604U (en) | Circulated helium heating system | |
| WO2020244473A1 (en) | Supercritical carbon dioxide cryogenic treatment method and device and gas recycling system | |
| CN207095818U (en) | A kind of conventional hypersonic wind tunnel device | |
| CN109470733B (en) | Experimental device capable of realizing visualization of condensation inside and outside steam pipes | |
| CN104849310A (en) | Experimental device for measuring high-temperature heat exchange between porous material in tube and airflow | |
| CN208145996U (en) | A kind of experimental rig of analog plateau climate environment | |
| CN107063697A (en) | A kind of air heating system and combustor test platform system | |
| CN106121974B (en) | A kind of cryogenic energy utilization liquefied natural gas compression set and method | |
| CN204027702U (en) | The blackbody cavity structure of blackbody radiation source | |
| CN201803877U (en) | Gas-phase escaping content collecting device in process of drying tobacco shred roller | |
| CN204831744U (en) | Air heat exchanger wind -tunnel test system | |
| CN205449849U (en) | Online moisture in steam measures and calibration system | |
| CN110793599A (en) | High-pressure high-low temperature fuel flow measuring system | |
| CN203849191U (en) | Oxygen enrichment experiment device using sintering ring cooler hot air | |
| CN107088442B (en) | A kind of low energy consumption ultralow temperature experimental system and method based on time device for cooling | |
| CN107543679A (en) | A kind of conventional hypersonic wind tunnel device and its heating technique of air-flow in room | |
| CN104955185B (en) | The heater and mult-purpose chamber furnace of a kind of fast cooling | |
| CN204798416U (en) | Quick sterilization apparatus of mushroom wood flour | |
| CN107462390A (en) | A kind of dual flow path Multifunctional mobile and heat exchange test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20190413 |