CN111238917A - High-pressure digestion tank - Google Patents
High-pressure digestion tank Download PDFInfo
- Publication number
- CN111238917A CN111238917A CN202010194093.1A CN202010194093A CN111238917A CN 111238917 A CN111238917 A CN 111238917A CN 202010194093 A CN202010194093 A CN 202010194093A CN 111238917 A CN111238917 A CN 111238917A
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- China
- Prior art keywords
- tank
- pressure
- optical fiber
- pressure relief
- temperature measuring
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- 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.)
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- 230000029087 digestion Effects 0.000 title claims abstract description 32
- 239000013307 optical fiber Substances 0.000 claims abstract description 46
- 210000004907 gland Anatomy 0.000 claims abstract description 38
- 230000001681 protective effect Effects 0.000 claims abstract description 26
- 239000010453 quartz Substances 0.000 claims abstract description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims description 10
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 4
- 238000009529 body temperature measurement Methods 0.000 abstract description 17
- 238000007789 sealing Methods 0.000 description 6
- 239000010408 film Substances 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000000120 microwave digestion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000002133 sample digestion Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention discloses a high-pressure digestion tank, which comprises a sample-loading inner tank, a tank frame, a protective outer tank, a tank bottom gasket, an elastic gland, a screw pressure pad, a fixing screw, an infrared scanning temperature measuring device, a temperature measuring optical fiber and an optical fiber quartz sleeve; the protective outer tank is sleeved outside the sample-holding inner tank, the protective outer tank is arranged on the tank frame through a tank bottom gasket, the infrared scanning temperature measuring device is fixed on the tank frame, and the infrared scanning temperature measuring device is in contact with the protective outer tank; the elastic gland is embedded and sealed at the top of the sample loading inner tank, the screw pressure pad is placed above the elastic gland, and the fixing screw is fixed above the screw pressure pad through the tank frame; the optical fiber quartz sleeve is fixed below the elastic gland through threads, the optical fiber quartz sleeve is positioned inside the sample loading inner tank, and the temperature measuring optical fiber penetrates through the concentric through hole and is suspended inside the optical fiber quartz sleeve. The high-pressure digestion tank disclosed by the invention can realize accurate temperature measurement and automatic physical pressure relief under the condition of extreme pressure, and the safety performance is improved.
Description
Technical Field
The invention relates to the field of chemical detection, in particular to a high-pressure digestion tank.
Background
High-pressure digestion tank, also called high-pressure sealed tank, high-pressure sample dissolving bomb, pressure dissolving bomb, high-pressure digestion tank, pressure digestion device and geological digestion tank. Under the environment of high-temperature and high-pressure closed strong acid or strong base, the digestion effect of indissolvable substances is better, a plurality of samples which are difficult to digest by the traditional method can be digested, the method has a wide application range, and is suitable for batch sample digestion, and the indissolvable samples (such As heavy metals like As, Hg, Pb and the like) can be completely dissolved within 10-to-minutes at 180 ℃, so that various samples can be digested.
The high-temperature high-pressure closed microwave digestion instrument can be widely used for sample pretreatment in a scientific laboratory; the optical fiber temperature measurement is free from microwave interference, the phenomenon of sparking is avoided, the advantage of high temperature measurement precision is needed to be adopted more and more, the conventional digestion tank group resistance temperature measurement sensor is arranged, the platinum resistance temperature measurement is carried out under the condition of meeting certain heat interference in the microwave environment part structure, so the accuracy is not high, the digestion tank structure for the optical fiber temperature measurement in the foreign countries seen in the market adopts the sapphire pipe with high price for installation and sealing, the structure for side extrusion locking and sealing is adopted, the internal optical fiber temperature measurement structure seen in the market adopts PTFE or PFA sleeve pipe as the installation structure, and the accurate temperature measurement is difficult to ensure. Other digestion tanks in the industry cannot realize automatic pressure relief, and can explode under extreme pressure, which not only causes operation interruption, but also can generate potential safety hazard.
There is a need for a high pressure digestion tank which can realize accurate temperature measurement and ensure the overall safety performance of the device under extreme pressure to solve the technical problems.
Disclosure of Invention
In order to solve the problems, the invention provides the high-pressure digestion tank which can realize accurate temperature measurement and automatic physical pressure relief under the condition of extreme pressure, and improves the safety performance.
The invention solves the technical problems by the following technical scheme:
the invention provides a high-pressure digestion tank, which comprises a sample-loading inner tank, a tank frame, a protective outer tank, a tank bottom gasket, an elastic gland, a screw pressure pad, a fixing screw, an infrared scanning temperature measuring device, a temperature measuring optical fiber and an optical fiber quartz sleeve; the protective outer tank is sleeved outside the sample-holding inner tank, the protective outer tank is arranged on the tank frame through the tank bottom gasket, the infrared scanning temperature measuring device is fixed on the tank frame, and the infrared scanning temperature measuring device is in contact with the protective outer tank; the elastic pressing cover is sleeved and sealed on the top of the sample loading inner tank, the screw pressing pad is placed above the elastic pressing cover, and the fixing screw is fixed above the screw pressing pad through the tank frame; the centers of the fixing screw, the screw pressure pad and the elastic gland are all provided with concentric through holes; the optical fiber quartz sleeve is fixed below the elastic gland through threads, the optical fiber quartz sleeve is positioned inside the sample loading inner tank, the temperature measuring optical fiber penetrates through the concentric through hole and is suspended inside the optical fiber quartz sleeve, and the optical fiber quartz sleeve is provided with a plurality of blind holes; a pressure measuring channel penetrates through the elastic gland, the pressure measuring channel is communicated with the interior of the sample loading inner tank, the first pressure measuring channel is connected with a pressure testing interface and a pressure relief device, a through film is arranged on the pressure relief device, and a first pressure relief opening is formed in the rear end of the through film; the side wall of the elastic gland is provided with a plurality of second pressure relief ports, and a plurality of second pressure relief hole grooves are formed below the elastic gland; the second pressure relief ports correspond to the second pressure relief hole grooves one to one and are communicated through second pressure relief channels.
In the invention, the sample loading inner tank is used for loading a sample to be processed, and the material and the structure of the sample loading inner tank are conventional in the field;
preferably, in order to make the deformation and permeability of the sample holding inner tank lower under the high-temperature and high-pressure environment and realize better recovery under the high temperature, the material of the sample holding inner tank is a composite PTFE material, and the composite PTFE material comprises 0.003 mass percent of PPVE, 0.15 mass percent of PFA and 99.847 mass percent of PTFE.
According to the invention, the outer protective tank is used for protecting the sample containing inner tank and is burst under a high-pressure condition to cause splashing of internal substances, the material of the outer protective tank is conventional in the field, and the outer protective tank is generally made of glass fiber materials and PFA coating, so that the outer protective tank is strong in heat resistance, good in corrosion resistance and high in mechanical strength.
In the invention, the tank frame is used for bearing other components of the high-pressure digestion tank, and the structure of the tank frame is conventional in the field;
preferably, the tank frame comprises a bearing base, a connecting frame and a fixed top seat; the bearing base, the connecting frame and the fixed top seat form an integral structure, a bearing space is formed by the bearing base, the connecting frame and the fixed top seat, and the bottom of the protective outer tank is fixed above the bearing base through the tank bottom gasket; the center of the fixed top seat is provided with a threaded hole, and the fixed screw penetrates through the threaded hole and is fixed on the tank frame.
In the present invention, the can bottom gasket is used to protect the bottom of the protective outer can and the contacting portion of the can frame, and the can bottom gasket is conventional in the art.
In the invention, the elastic gland is a main structural component of the temperature measuring optical fiber, the elastic gland is provided with a concentric through hole, a pressure measuring channel, a second pressure relief opening, a second pressure relief hole groove and a second pressure relief channel, and the concentric through hole is used for penetrating through the temperature measuring optical fiber; the pressure measuring channel is communicated with a subsequent pressure measuring device, and the pressure relief principle of the first pressure relief opening is that under the super-high pressure, gas penetrates through the through film to realize pressure relief; the second pressure relief hole is used for realizing automatic pressure relief of the device under larger pressure, the second pressure relief hole groove and the upper part of the sample containing inner tank are completely sealed in a conventional state, when the pressure is overlarge, the elastic gland deforms, the second pressure relief hole groove can ventilate, and gas is discharged from the second pressure relief hole through the second pressure relief channel to realize physical pressure relief;
preferably, the number of the second pressure relief ports is 4, and the second pressure relief ports are distributed on the side face of the elastic gland at equal intervals;
preferably, the aperture of the second pressure relief opening is 0.5-0.8 mm.
According to the invention, the overall safety performance of the device under different pressure conditions is ensured by combining the first pressure relief port and the second pressure relief port, the applicability of the device is wider, and the safety performance is higher.
In the present invention, the screw pressure pad is used to protect the elastic gland from being damaged by the fixing screw and further achieve sealing, and the screw pressure pad is conventional in the art.
In the invention, the fixing screw is used for realizing the sufficient sealing of the elastic gland and the sample loading inner tank, and the fixing screw is conventional in the field.
According to the invention, the infrared scanning temperature measuring device is used for detecting the temperature of the sample loading inner tank in real time, the infrared scanning temperature measuring device is conventional in the field, and accurate temperature measurement is realized through the cooperation of the infrared scanning temperature measuring device and the temperature measuring optical fiber.
In the invention, the temperature measuring optical fiber is used for measuring the internal temperature of the sample loading inner tank, and the temperature measuring optical fiber is conventional in the field.
In the invention, the optical fiber quartz sleeve is used for protecting the temperature measuring optical fiber, and the optical fiber quartz sleeve is conventional in the field.
In the invention, the pressure test interface is used for connecting other pressure measuring devices.
The working principle of the high-pressure digestion tank is as follows: the sample to be processed is placed in the sample loading inner tank, the temperature is synchronously measured through the infrared scanning temperature measuring device and the temperature measuring optical fiber, the pressure is relieved through the first pressure relief port and the second pressure relief port, and the bearable pressure is not lower than 10 MPa.
This practicality goes on positive progress effect: the high-pressure digestion tank disclosed by the invention can realize accurate temperature measurement and automatic physical pressure relief under the condition of extreme pressure, and the safety performance is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic sectional view of a high pressure digestion tank in accordance with an embodiment of the present invention;
FIG. 2 is a schematic diagram of the high pressure digestion tank of an embodiment of the present invention;
FIG. 3 is a schematic diagram of a portion of a high pressure digestion tank in accordance with an embodiment of the present invention;
FIG. 4 is a top view of a high pressure digestion tank in accordance with an embodiment of the present invention.
Description of reference numerals:
1. a tank rack; 2. Filling a sample into an inner tank;
3. protecting the outer tank; 4. An elastic gland;
5. a screw pressure pad; 6. A set screw;
7. a temperature measuring optical fiber; 8. A tank bottom gasket;
9. an infrared scanning temperature measuring device; 71. An optical fiber quartz sleeve;
41. a pressure test interface; 42. A pressure relief device;
43. a first pressure relief port; 44. A second pressure relief vent;
61. a concentric through hole.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 and fig. 2, the present embodiment provides a high-pressure digestion tank, which includes a sample-holding inner tank 2, a tank frame 1, a protective outer tank 3, a tank bottom gasket 8, an elastic gland 4, a screw pressure pad 5, a fixing screw 6, an infrared scanning temperature measurement device 9, a temperature measurement optical fiber 7 and an optical fiber quartz sleeve 71; the protective outer tank 3 is sleeved outside the sample-holding inner tank 2, the protective outer tank 3 is arranged on the tank bracket 1 through a tank bottom gasket 8, the infrared scanning temperature measuring device 9 is fixed on the tank bracket 1, and the infrared scanning temperature measuring device 9 is in contact with the protective outer tank 3; the elastic gland 4 is embedded and sealed at the top of the sample loading inner tank 2, the screw pressure pad 5 is placed above the elastic gland 4, and the fixing screw 6 is fixed above the screw pressure pad 5 through the tank frame 1; the centers of the fixing screw 6, the screw pressure pad 5 and the elastic gland 4 are all provided with concentric through holes 61; the optical fiber quartz sleeve 71 is fixed below the elastic gland 4 through threads, the optical fiber quartz sleeve 71 is positioned inside the sample loading inner tank 2, the temperature measuring optical fiber 7 penetrates through the concentric through hole 61 and is suspended inside the optical fiber quartz sleeve 71, and a plurality of blind holes are formed in the optical fiber quartz sleeve 71; a pressure measuring channel (not shown in the figure) penetrates through the elastic gland 4, the pressure measuring channel is communicated with the interior of the sample loading inner tank 2, a pressure testing interface 41 and a pressure relief device 42 are connected to the first pressure measuring channel, a penetrating film is arranged on the pressure relief device 42, and a first pressure relief opening 43 is formed in the rear end of the penetrating film; the side wall of the elastic gland 4 is provided with 4 second pressure relief ports 44, and 4 second pressure relief hole grooves (not shown in the figure) are formed below the elastic gland 4; the second pressure relief ports 44 correspond to the second pressure relief hole grooves one by one, and are communicated through a second pressure relief passage (not shown).
In this embodiment, the sample holding inner tank 2 is used for holding a sample to be processed, and in order to make the sample holding inner tank 2 have lower deformation and permeability in a high-temperature and high-pressure environment and achieve better restorability at a high temperature, the material of the sample holding inner tank 2 is a composite PTFE material including 0.003% by mass of PPVE, 0.15% by mass of PFA, and 99.847% by mass of PTFE.
In this embodiment, the outer protective tank 3 is used for protecting the sample loading inner tank 2, and is placed to burst under the high pressure condition to cause the splashing of internal substances, and the outer protective tank 3 is made of glass fiber materials and PFA coating, so that the heat resistance is strong, the corrosion resistance is good, and the mechanical strength is high.
In the embodiment, the tank frame 1 is used for bearing other components of the high-pressure digestion tank; the tank frame 1 comprises a bearing base, a connecting frame and a fixed top seat; the bearing base, the connecting frame and the fixed top seat form an integral structure, a bearing space is formed by the bearing base, the connecting frame and the fixed top seat, and the bottom of the protective outer tank 3 is fixed above the bearing base through a tank bottom gasket 8; the center of the fixed top seat is provided with a threaded hole, and a fixing screw 6 penetrates through the threaded hole and is fixed on the tank frame 1.
In this embodiment, the can bottom gasket 8 is used to protect the bottom of the outer can 3 and the contacting portion of the can holder 1.
In this embodiment, the elastic gland 4 is a main structural component of this embodiment, the elastic gland 4 is provided with a concentric through hole 61, a pressure measuring channel, a second pressure relief port 44, a second pressure relief hole groove and a second pressure relief channel, and the concentric through hole 61 is used for penetrating through the temperature measuring optical fiber 7; the pressure measuring channel is communicated with a subsequent pressure measuring device, and the pressure relief principle of the first pressure relief port 43 is that under the overlarge pressure, gas penetrates through the thin film to realize pressure relief; the second pressure relief port 44 is used for realizing automatic pressure relief of the device under larger pressure, the second pressure relief hole groove and the upper part of the sample loading inner tank 2 are completely sealed in a conventional state, when the pressure is overlarge, the elastic gland 4 deforms, the second pressure relief hole groove can be ventilated, and gas is discharged from the second pressure relief port 44 through a second pressure relief channel, so that physical pressure relief is realized; the second pressure relief ports 44 are distributed on the side surface of the elastic gland 4 at equal intervals; the second pressure relief port 44 has a 0.6mm aperture.
In this embodiment, the mode that combines together through first pressure release 43 and second pressure release 44 has guaranteed the holistic security performance of device under the different pressure conditions, and the suitability of device is wider, and the security performance is higher.
In this embodiment, the screw pressure pad 5 is used to protect the elastic gland 4 from being damaged by the fixing screw 6 and to further achieve sealing.
In this embodiment, the fixing screw 6 is used to achieve sufficient sealing between the elastic gland 4 and the sample holding inner tank 2.
In this embodiment, infrared scanning temperature measuring device 9 is used for real-time detection dress appearance inner tank 2's temperature, realizes accurate temperature measurement through the cooperation of infrared scanning temperature measuring device 9 and temperature measurement optic fibre 7.
In this embodiment, the temperature measuring optical fiber 7 is used for measuring the internal temperature of the sample holding inner tank 2.
In this embodiment, the optical fiber quartz sleeve 71 is used to protect the temperature measuring optical fiber 7.
In this embodiment, the pressure test interface 41 is used to connect to other pressure measuring devices.
The working principle of the high-pressure digestion tank of the embodiment is as follows: the sample to be processed is placed in the sample loading inner tank, the temperature is synchronously measured through the infrared scanning temperature measuring device and the temperature measuring optical fiber, the pressure is relieved through the first pressure relief port and the second pressure relief port, and the bearable pressure is not lower than 10 MPa.
The high pressure digestion tank of this embodiment can realize accurate temperature measurement, can realize again the automatic physics pressure release under the extreme pressure condition, has promoted the security performance.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. A high-pressure digestion tank is characterized by comprising a sample loading inner tank, a tank frame, a protective outer tank, a tank bottom gasket, an elastic gland, a screw pressure pad, a fixing screw, an infrared scanning temperature measuring device, a temperature measuring optical fiber and an optical fiber quartz sleeve; the protective outer tank is sleeved outside the sample-holding inner tank, the protective outer tank is arranged on the tank frame through the tank bottom gasket, the infrared scanning temperature measuring device is fixed on the tank frame, and the infrared scanning temperature measuring device is in contact with the protective outer tank; the elastic pressing cover is sleeved and sealed on the top of the sample loading inner tank, the screw pressing pad is placed above the elastic pressing cover, and the fixing screw is fixed above the screw pressing pad through the tank frame; the centers of the fixing screw, the screw pressure pad and the elastic gland are all provided with concentric through holes; the optical fiber quartz sleeve is fixed below the elastic gland through threads, the optical fiber quartz sleeve is positioned inside the sample loading inner tank, the temperature measuring optical fiber penetrates through the concentric through hole and is suspended inside the optical fiber quartz sleeve, and the optical fiber quartz sleeve is provided with a plurality of blind holes; a pressure measuring channel penetrates through the elastic gland, the pressure measuring channel is communicated with the interior of the sample loading inner tank, the first pressure measuring channel is connected with a pressure testing interface and a pressure relief device, a through film is arranged on the pressure relief device, and a first pressure relief opening is formed in the rear end of the through film; the side wall of the elastic gland is provided with a plurality of second pressure relief ports, and a plurality of second pressure relief hole grooves are formed below the elastic gland; the second pressure relief ports correspond to the second pressure relief hole grooves one to one and are communicated through second pressure relief channels.
2. The high pressure digestion tank according to claim 1, wherein the sample loading inner tank is made of a composite PTFE material, which comprises 0.003% by mass of PPVE, 0.15% by mass of PFA and 99.847% by mass of PTFE.
3. The high pressure digestion tank according to claim 1, wherein said tank rack comprises a load-bearing base, a connecting rack and a fixed top seat; the bearing base, the connecting frame and the fixed top seat form an integral structure, a bearing space is formed by the bearing base, the connecting frame and the fixed top seat, and the bottom of the protective outer tank is fixed above the bearing base through the tank bottom gasket; the center of the fixed top seat is provided with a threaded hole, and the fixed screw penetrates through the threaded hole and is fixed on the tank frame.
4. The high pressure digestion tank according to claim 1, wherein the number of the second pressure relief ports is 4, and the second pressure relief ports are distributed on the side surface of the elastic gland at equal intervals.
5. The high-pressure digestion tank according to claim 1, wherein the aperture of the second pressure relief port is 0.5-0.8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010194093.1A CN111238917A (en) | 2020-03-19 | 2020-03-19 | High-pressure digestion tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010194093.1A CN111238917A (en) | 2020-03-19 | 2020-03-19 | High-pressure digestion tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111238917A true CN111238917A (en) | 2020-06-05 |
Family
ID=70877080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010194093.1A Pending CN111238917A (en) | 2020-03-19 | 2020-03-19 | High-pressure digestion tank |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2502779Y (en) * | 2001-02-28 | 2002-07-31 | 杜荣庆 | Closed high-pressure reaction tank |
| CN203101161U (en) * | 2012-12-19 | 2013-07-31 | 济南海能仪器股份有限公司 | High-temperature digestion tank suitable for optical fiber temperature detection |
| CN204666432U (en) * | 2015-03-26 | 2015-09-23 | 周鹏 | Hyperchannel enclosure-type microwave digestion system |
| CN205340780U (en) * | 2015-09-15 | 2016-06-29 | 上海屹尧仪器科技发展有限公司 | From pressure release formula single mode microwave reaction system |
| CN106058240A (en) * | 2016-07-26 | 2016-10-26 | 常熟理工学院 | Preparation method of high-voltage lithium battery composite with core-shell structure |
| WO2019042222A1 (en) * | 2017-08-31 | 2019-03-07 | 中国成达工程有限公司 | Double-walled high-temperature molten salt storage tank having interstitial space |
| CN212391322U (en) * | 2020-03-19 | 2021-01-22 | 上海卓光仪器科技有限公司 | High-pressure digestion tank |
-
2020
- 2020-03-19 CN CN202010194093.1A patent/CN111238917A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2502779Y (en) * | 2001-02-28 | 2002-07-31 | 杜荣庆 | Closed high-pressure reaction tank |
| CN203101161U (en) * | 2012-12-19 | 2013-07-31 | 济南海能仪器股份有限公司 | High-temperature digestion tank suitable for optical fiber temperature detection |
| CN204666432U (en) * | 2015-03-26 | 2015-09-23 | 周鹏 | Hyperchannel enclosure-type microwave digestion system |
| CN205340780U (en) * | 2015-09-15 | 2016-06-29 | 上海屹尧仪器科技发展有限公司 | From pressure release formula single mode microwave reaction system |
| CN106058240A (en) * | 2016-07-26 | 2016-10-26 | 常熟理工学院 | Preparation method of high-voltage lithium battery composite with core-shell structure |
| WO2019042222A1 (en) * | 2017-08-31 | 2019-03-07 | 中国成达工程有限公司 | Double-walled high-temperature molten salt storage tank having interstitial space |
| CN212391322U (en) * | 2020-03-19 | 2021-01-22 | 上海卓光仪器科技有限公司 | High-pressure digestion tank |
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