CN201373831Y - Pressurized thermo-balance measurement device - Google Patents
Pressurized thermo-balance measurement device Download PDFInfo
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- CN201373831Y CN201373831Y CN200920144478U CN200920144478U CN201373831Y CN 201373831 Y CN201373831 Y CN 201373831Y CN 200920144478 U CN200920144478 U CN 200920144478U CN 200920144478 U CN200920144478 U CN 200920144478U CN 201373831 Y CN201373831 Y CN 201373831Y
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- balance
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- water vapor
- heating furnace
- nitrogen
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Abstract
The utility model discloses a pressurized thermo-balance measurement device, comprising a measurement device, a pressurizing device, a heating device, a vapor generation device, a condensation device and a tail gas processing device. The pressurizing device is composed of a nitrogen flask, a balance sealing chamber, a reducing valve, a back pressure valve, and the like; the nitrogen enters the sealing chamber of the device lower heating furnace through the right lower nitrogen channel of the balance chamber; the pressure needed by the system can be kept by the adjustment of the reducing valve and back pressure valve; the vapor generation device is composed of a liquid sampling pump, a single-way valve, a constant temperature heating device, a high pressure water pressure gauge and the like; the water is injected into the vapor generated from the single-way valve to the constant temperature heating device by the liquid sampling pump; the vapor enters the reactor in the heating furnace from the vapor channel; the tail gas processing device is installed at the reactor output end. The device can realize fast temperature rising and measurement on large dose of samples under high temperature and pressurizing vapor atmosphere.
Description
Technical field
The utility model relates to a kind of thermobalance measurement mechanism.
Background technology
Thermobalance is a kind of important thermal-analysis instrumentation, and there is following deficiency in domestic existing thermobalance: heating rate is slow, and it is little to bear pressure, and at high temperature pressurization is difficult; When testing under steam atmosphere, water vapor easily enters balance chamber etching balance; Amount of samples is few etc.
Summary of the invention
The purpose of this utility model provides a kind of pressurized heat balance measurement device, and is slow to solve the heating rate that traditional thermobalance exists, and at high temperature can not bear high pressure, can not be applicable to the problems such as heavy dose of thermobalance measurement environment of steam atmosphere.
The technical scheme that the utility model addresses the above problem is:
Pressurized heat balance measurement device comprises measurement mechanism, pressue device, heating arrangement, water vapor generation device, exhaust gas processing device; Described measurement mechanism is mainly controlled by mechanical balance and automatic temperature-adjusting and register system is formed, the electrical signal of mechanical balance weighing part is connected with automatic temperature-adjusting control and register system, described mechanical balance, automatic temperature-adjusting control and register system are positioned at the balance seal chamber, described pressue device is by nitrogen cylinder, the balance seal chamber, reduction valve and counterbalance valve are formed, the balance seal chamber only is connected by channel of nitrogen with lower heating stove seal chamber, and the channel of nitrogen of pressue device is successively by nitrogen cylinder, reduction valve, the balance seal chamber, channel of nitrogen, counterbalance valve on the exhaust passage of heating furnace seal chamber and heating furnace seal chamber is formed; Described water vapor generation device is made up of liquid sampling pump, retaining valve, constant temperature heating device, water under high pressure tensimeter, water is injected by the liquid sampling pump and produces water vapor through retaining valve to constant temperature heating device, water vapor enters in the heating furnace seal chamber through the water vapor passage and reacts, and is connected with coolant entrance above the water vapor import; Described heating arrangement is made up of heating furnace and temperature control system, type of heating in adopting; Condenser and the gas-liquid separator installed on the exhaust passage of described exhaust gas processing device by the heating furnace seal chamber are formed; The balance hanging basket is suspended in the heating furnace seal chamber by channel of nitrogen.
Aforesaid seal chamber is high nickel heat-resisting steel.
Aforesaid heating furnace adopts the platinum-rhodium alloy heater strip.
Aforesaid balance hanging basket is a platinum.
Aforesaid water vapor, its mode of entrance has adopted ectonexine to separate project organization, and the water vapor passage of water vapor outside the ring channel of nitrogen enters, and above-mentioned two channel ends are positioned at heating furnace seal chamber place.
The utility model is compared with traditional thermobalance has following advantage:
1, can realize being rapidly heated, heating rate is 0-200 ℃/min.
2, at high temperature can between 0.1-5Mpa, pressurize.
3, can adopt water vapor as atmosphere, the water vapor stability of flow.
4, water vapor can anti-channeling not gone into balance cavity internal corrosion balance.
5, quantity of sample handling can be at 0-5g.
6, adopt counterbalance valve pressure control, pressure controling precision height.
Description of drawings
Fig. 1 is the utility model structural representation
Embodiment
Structure of the present utility model as shown in Figure 1, wherein 1 is nitrogen cylinder, the 2nd, reduction valve, the 3rd, mechanical balance, the 4th, balance cavity, the 5th, tensimeter, the 6th, safety valve, the 7th, chilled water, the 11st, joint flange, the 8th, retaining valve, the 9th, water under high pressure tensimeter, the 10th, water under high pressure, the 11st, constant temperature heating device, the 12nd, nickelic heat resisting pipe, the 13rd, heating furnace silk extension line, the 14th, balance hanging basket, the 15th, pressure chamber outer wall, the 16th, condenser, the 17th, gas-liquid separator, the 18th, counterbalance valve, the 19th, mixed gas outlet.
Pressurized heat balance measurement device comprises measurement mechanism, pressue device, heating arrangement, water vapor generation device, exhaust gas processing device; Described measurement mechanism is mainly controlled by mechanical balance 3 and automatic temperature-adjusting and register system is formed, the electrical signal of mechanical balance weighing part is connected with automatic temperature-adjusting control and register system, described mechanical balance 3, automatic temperature-adjusting control and register system are positioned at the balance seal chamber, described pressue device is by nitrogen cylinder 1, the seal chamber at mechanical balance 3 places, reduction valve 2 and counterbalance valve 18 are formed, the seal chamber at mechanical balance 3 places only is connected by channel of nitrogen with lower heating stove seal chamber, and the channel of nitrogen of pressue device is successively by nitrogen cylinder 1, reduction valve 2, the seal chamber at mechanical balance 3 places, channel of nitrogen, counterbalance valve 18 on the exhaust passage of heating furnace seal chamber and heating furnace seal chamber is formed; The water under high pressure 10 that described water vapor generation device is provided by the liquid sampling pump, retaining valve 8, constant temperature heating device 11, water under high pressure tensimeter 9 are formed, water is injected through retaining valve 8 to constant temperature heating device constant temperature heating device 11 by the liquid sampling pump and produces water vapor, water vapor enters in the heating furnace seal chamber through the water vapor passage and reacts, and is connected with chilled water 7 above the water vapor import.Described heating arrangement is made up of heating furnace and temperature control system, type of heating in adopting; Heating furnace comprises heating furnace heat-insulation layer and heating furnace silk.
The utility model can be at high temperature, the thermobalance measurement mechanism of pressurization and realization steam atmosphere and heavy dose of sample between 0.1-5Mpa.Heating furnace can be heated to 1100 ℃ from room temperature, and heating rate 0-200 ℃/min, can realize being rapidly heated, sample size can reach 0-5g.
In the embodiment show in figure 1, joint flange opened take out balance hanging basket 14, sample is packed into and is put back in the heating furnace behind the balance hanging basket 14, connects good joint flange; Connect chilled water; Opening temperature control system is rapidly heated to temperature required, open reduction valve 2 nitrogen injection in system, nitrogen is through balance cavity right lower quadrant channel of nitrogen access to plant lower part seal chamber, system demand pressure is kept in adjusting by reduction valve 2 and counterbalance valve 18, meanwhile open the liquid sampling pump, water is injected through retaining valve 8 by the liquid sampling pump and produces water vapor to constant temperature heating device 11, and water vapor enters reactor in the heating furnace through the water vapor passage; After beginning reaction, measuring system directly outputs to the computer display window by control system and data acquisition software with the variation of example weight.
Claims (5)
1, a kind of pressurized heat balance measurement device is characterized in that it comprises measurement mechanism, pressue device, heating arrangement, water vapor generation device, exhaust gas processing device; Described measurement mechanism is mainly controlled by mechanical balance and automatic temperature-adjusting and register system is formed, the electrical signal of mechanical balance weighing part is connected with automatic temperature-adjusting control and register system, described mechanical balance, automatic temperature-adjusting control and register system are positioned at the balance seal chamber, described pressue device is by nitrogen cylinder, the balance seal chamber, reduction valve and counterbalance valve are formed, the balance seal chamber only is connected by channel of nitrogen with lower heating stove seal chamber, and the channel of nitrogen of pressue device is successively by nitrogen cylinder, reduction valve, the balance seal chamber, channel of nitrogen, counterbalance valve on the exhaust passage of heating furnace seal chamber and heating furnace seal chamber is formed; Described water vapor generation device is made up of liquid sampling pump, retaining valve, constant temperature heating device, water under high pressure tensimeter, water is injected by the liquid sampling pump and produces water vapor through retaining valve to constant temperature heating device, water vapor enters in the heating furnace seal chamber through the water vapor passage and reacts, and is connected with coolant entrance above the water vapor import; Described heating arrangement is made up of heating furnace and temperature control system, type of heating in adopting; Condenser and the gas-liquid separator installed on the exhaust passage of described exhaust gas processing device by the heating furnace seal chamber are formed; The balance hanging basket is suspended in the heating furnace seal chamber by channel of nitrogen.
2, a kind of pressurized heat balance measurement device as claimed in claim 1, it is characterized in that: described seal chamber is high nickel heat-resisting steel.
3, a kind of pressurized heat balance measurement device as claimed in claim 1 is characterized in that: described heating furnace adopts the platinum-rhodium alloy heater strip.
4, a kind of pressurized heat balance measurement device as claimed in claim 1, it is characterized in that: described balance hanging basket is a platinum.
5, a kind of pressurized heat balance measurement device as claimed in claim 1, it is characterized in that: described water vapor mode of entrance has adopted ectonexine to separate project organization, the water vapor passage of water vapor outside the ring channel of nitrogen enters, and above-mentioned two channel ends are positioned at heating furnace seal chamber place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920144478U CN201373831Y (en) | 2009-02-23 | 2009-02-23 | Pressurized thermo-balance measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920144478U CN201373831Y (en) | 2009-02-23 | 2009-02-23 | Pressurized thermo-balance measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201373831Y true CN201373831Y (en) | 2009-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200920144478U Expired - Fee Related CN201373831Y (en) | 2009-02-23 | 2009-02-23 | Pressurized thermo-balance measurement device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012079314A1 (en) * | 2010-12-16 | 2012-06-21 | 大连理工大学 | Thermobalance with controllable high heating rate |
| CN102809418A (en) * | 2012-08-03 | 2012-12-05 | 昆山旭虹精密零组件有限公司 | High-temperature heating balance |
| CN103424359A (en) * | 2013-08-20 | 2013-12-04 | 天津大学 | Ultrathin-wall microtubule production device and production method thereof |
| CN103760054A (en) * | 2014-01-16 | 2014-04-30 | 华中科技大学 | Thermal gravimetrical reactor applied to bulk specimen testing |
| CN104614272A (en) * | 2015-02-06 | 2015-05-13 | 中国科学院山西煤炭化学研究所 | High-temperature pressuring thermobalance and application method thereof |
| CN105987602A (en) * | 2015-02-15 | 2016-10-05 | 上海宝钢化工有限公司 | Multi-purpose tube furnace and mechanism testing method using same |
| CN108918320A (en) * | 2018-07-11 | 2018-11-30 | 九江中船化学科技有限公司 | A kind of qualitative detection device of portable gas extinguishing chemical |
| CN111912230A (en) * | 2019-05-07 | 2020-11-10 | 中国科学院上海硅酸盐研究所 | Tubular furnace body for thermal analyzer |
-
2009
- 2009-02-23 CN CN200920144478U patent/CN201373831Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012079314A1 (en) * | 2010-12-16 | 2012-06-21 | 大连理工大学 | Thermobalance with controllable high heating rate |
| CN102809418A (en) * | 2012-08-03 | 2012-12-05 | 昆山旭虹精密零组件有限公司 | High-temperature heating balance |
| CN103424359A (en) * | 2013-08-20 | 2013-12-04 | 天津大学 | Ultrathin-wall microtubule production device and production method thereof |
| CN103424359B (en) * | 2013-08-20 | 2016-04-27 | 天津大学 | A kind of ultra-thin-wall microtubule producing device and preparation method thereof |
| CN103760054A (en) * | 2014-01-16 | 2014-04-30 | 华中科技大学 | Thermal gravimetrical reactor applied to bulk specimen testing |
| CN103760054B (en) * | 2014-01-16 | 2016-02-24 | 华中科技大学 | A kind of thermogravimetric reactor for bulk specimen test |
| CN104614272A (en) * | 2015-02-06 | 2015-05-13 | 中国科学院山西煤炭化学研究所 | High-temperature pressuring thermobalance and application method thereof |
| CN104614272B (en) * | 2015-02-06 | 2017-12-19 | 中国科学院山西煤炭化学研究所 | High-temperature pressurizing thermobalance and application process |
| CN105987602A (en) * | 2015-02-15 | 2016-10-05 | 上海宝钢化工有限公司 | Multi-purpose tube furnace and mechanism testing method using same |
| CN105987602B (en) * | 2015-02-15 | 2018-01-26 | 上海宝钢化工有限公司 | The mechanism test method of multipurpose tube furnace |
| CN108918320A (en) * | 2018-07-11 | 2018-11-30 | 九江中船化学科技有限公司 | A kind of qualitative detection device of portable gas extinguishing chemical |
| CN111912230A (en) * | 2019-05-07 | 2020-11-10 | 中国科学院上海硅酸盐研究所 | Tubular furnace body for thermal analyzer |
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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 |
Granted publication date: 20091230 Termination date: 20180223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |