CN203990676U - Quantitatively lose heart and rush down the closed microwave high-pressure digestion tank of pressure - Google Patents
Quantitatively lose heart and rush down the closed microwave high-pressure digestion tank of pressure Download PDFInfo
- Publication number
- CN203990676U CN203990676U CN201420175652.4U CN201420175652U CN203990676U CN 203990676 U CN203990676 U CN 203990676U CN 201420175652 U CN201420175652 U CN 201420175652U CN 203990676 U CN203990676 U CN 203990676U
- Authority
- CN
- China
- Prior art keywords
- pressure
- sample cup
- molten sample
- quantitatively
- elastomer
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model provides a kind of quantitatively disappointing closed microwave high-pressure digestion tank that rushes down pressure, it includes a tank frame, a molten sample cup, a bowl cover and a protective sleeve, protective sleeve is outside the molten sample cup of being sheathed on of tank frame inner close fitting, bowl cover includes the airtight piston part of molten sample cup and the cap for an airtight opening that covers molten sample cup filled in, and the quantitatively disappointing closed microwave high-pressure digestion tank that rushes down pressure also includes: at least one elastomer and an abutting part; On piston part, be provided with some gas passages, one end of some gas passages is connected with the side that molten sample cup sidewall is close in piston part, and the other end is communicated with the end face that molten sample cup is filled in piston part; Abutting part just the opening spiral to molten sample cup be screwed into tank frame inside, and across elastomer butt cap the end face away from molten sample cup.By between bowl cover and abutting part, elastomer being set, then be screwed into abutting part from tank frame external spiral, make the quantitatively disappointing closed microwave high-pressure digestion tank that rushes down pressure can ensure a fixing safety relief value.
Description
Technical field
The utility model relates to a kind of quantitatively disappointing closed microwave high-pressure digestion tank that rushes down pressure.
Background technology
Micro-wave digestion method is that the closed container that sample and reagent are housed is placed on and in microwave dissolver, carries out heating using microwave.Sample and reagent generation chemical reaction in microwave heating process, constantly raise rapidly temperature and pressure in tank, if instrument does not have a set of effective robot control system(RCS) and lose heart to rush down compression functions, will cause the Bao Zha Wei Insurance of closed digestion tank.Gently damage equipment is heavy injure personnel.For this reason, the safety problem that how effectively to solve counteracting tank is the important topic that current apparatus manufacturer must be studied.
At present, as shown in Figure 1, some micro-wave diminishing pots design the exhaust duct 102 of a diameter 1mm left and right on bowl cover 101, on exhaust duct 102, pressing a slice thickness is the plastic tab 103 of 0.3 1 0.5 Te Fulong, when tank internal pressure increases to while exceeding plastic tab 103 bearing strength, plastic tab 103 is blown brokenly and release pressure by gases at high pressure.The shortcoming of this method is: because the material of manufacturing bowl cover and thin slice is engineering plastics, in heating process, be subject to different temperatures, the impact of different pressures and different heating time can make them produce the distortion of different situations, exhaust duct is because being constantly squeezed, aperture is dwindled even and stop up, in addition, thin slice changes because of impact thickness and the shape of the gas that is stressed, compression strength is changed, be difficult to maintain a safety relief value accurately; Due to the easy deformed damaged of thin slice, so it is new to specify that every use once will be changed tune, this just makes troublesome poeration, and has increased consumptive material; In exhaust duct, easy cleaning does not easily produce cross pollution; Only have a millimeter once gases at high pressure occur when superpressure have little time moment and release due to exhaust duct diameter, counteracting tank bursting accident easily occurs.
Fig. 2～5 are the micro-wave diminishing pot of another two kinds of prior aries, and as shown in Figure 2-5, cover 104 is threaded connection compression bowl cover 105 makes counteracting tank airtight.When tank internal pressure increases to the Cheng Shou Li Time that exceedes cover 104, cover 104 tops can be out of shape, so bowl cover 105 rises, gases at high pressure release from the passage that loses heart.The defect of such technical scheme is: the material of cover 104 is engineering plastics, through different temperatures, pressure, the effect of heat time, easily there is aging distortion and lose the original physical property of material, therefore, cannot ensure equally a fixing safety relief value and ensure the capable and security of the Zheng Chang Jin of Xiao Solution process.This is also to clear up after end sample within often there will be the not cleer and peaceful tank of Specimen eliminating to reduce even dry-out; On the other hand, at the bottom of the molten sample cup strength of materials, and the screw thread place being connected with cover is again stress concentration point, thus easily occur that rim of a cup is pulled off phenomenon, so counteracting tank is withstand voltage not high.
Utility model content
The technical problems to be solved in the utility model be for overcome that prior art cannot ensure fixing safety relief value and in the time that molten sample cup internal gas pressure jumps the insufficient low defect of security that causes of pressure release, provide a kind of and can set safety relief value and the closed microwave high-pressure digestion tank of pressure is rushed down in higher quantitatively the losing heart of security.
The utility model is to solve above-mentioned technical problem by following technical proposals:
A kind of quantitatively disappointing closed microwave high-pressure digestion tank that rushes down pressure, it includes a tank frame, a molten sample cup, a bowl cover and a protective sleeve, described protective sleeve is outside the described molten sample cup of being sheathed on of described tank frame inner close fitting, described bowl cover includes the airtight piston part of described molten sample cup and the cap for an airtight opening that covers described molten sample cup filled in, its feature is, the described closed microwave high-pressure digestion tank that rushes down pressure that quantitatively loses heart also includes: at least one elastomer and an abutting part;
On described piston part, be provided with some gas passages, one end of some described gas passages is connected with the side that described molten sample cup sidewall is close in described piston part, and the other end is communicated with the end face that described molten sample cup is filled in described piston part;
Described abutting part just the opening spiral to described molten sample cup be screwed into described tank frame inside, and across cap described in described elastomer butt the end face away from described molten sample cup.
That is to say, abutting part compresses elastomer and then pressed glass and is placed on the rim of a cup of molten sample cup, and abutting part to be spiral be screwed into tank frame inside, the pressure (can set the pressure of compression) that can use the instrument controls such as torque spanner to compress.And gas passage on the piston part of bowl cover is obstructed (wall of cup of molten sample cup is led in one end outlet of gas passage) in the time that bowl cover sealing is pressed on molten sample cup, rise to gradually in the process of elevated pressures (abutting part that exceedes setting compresses elastomeric pressure) and work as pressure in molten sample cup, piston part is by the slowly jack-up of pressure in molten sample cup, (from the rim of a cup of molten sample cup) exposed in the one end that is positioned at the gas passage of the more close cap in piston part, and pressure is released.After pressure is released, due to elastomeric elastic force effect, bowl cover is depressed heavy, is returned to original state (pressure of that setting that instant sample cup internal pressure presses down lower than abutting part).
Preferably, described molten sample cup sidewall is close to respectively in one end of described gas passage side in the position different from described cap distance is connected, and the other end is communicated with the end face that described molten sample cup is filled in described piston part.
Preferably, described abutting part is with elastomer described in a default torsion butt.
That is to say, if the raising speed of the pressure in molten sample cup is very fast, under effect of inertia, in the short time, piston part is by the higher position of air pressure jack-up in molten sample cup.So, the gas passage exposing from the rim of a cup of molten sample cup is just more, and pressure is also just more easily released.And after pressure is released, due to elastomeric elastic force effect, it is heavy that bowl cover is depressed, and is returned to original state (pressure of that setting that instant sample cup internal pressure presses down lower than abutting part).
Preferably, described elastomer is made of metal.
Herein, it is mainly because metal is more suitable for heating in microwave field that design flexibility body is made of metal, and is not subject to temperature, and the impact of pressure and heat time, can forever be used.
Preferably, described gas passage includes at least one the first gas passage and at least one the second gas passage, and the area in the interior cross section of described the first gas passage is less than the area in the interior cross section of described the second gas passage;
The position that the position that described the first gas passage is communicated with the side of described piston part is communicated with the side of described piston part than described the second gas passage with the distance of described cap and the distance of described cap are nearer.
That is to say, the first gas passage of the more close cap in position is thinner, is suitable for the pressure in the molten sample cup of the release of a little in the time that pressure slowly increases; And the second gas passage that is positioned at the first gas passage below is thicker, be applicable to discharge faster gas in the time that molten sample cup internal pressure was surged in the short time, slowly-releasing pressure.
Preferably, described abutting part is an explosion piece.Explosion piece can rupture in the time that pressure increases sharply, and the gas in molten sample cup can be discharged fast from above-mentioned the second thicker gas passage.
Preferably, between described abutting part and described elastomer, be provided with an explosion layer, described abutting part is cylindricality, described elastomer is provided with a hole groove on the position of the described abutting part of correspondence, the cross section of described hole groove is greater than the cross section of described abutting part, and the cross section of described hole groove is less than the cross section of described explosion layer.
That is to say, the abutting part of cylindricality can be under the effect of a reaction force, explosion lamination is disconnected, at this moment the abutting part of cylindricality will fall in the hole groove arranging on elastomer, so the activity space of bowl cover has just occurred, the second gas passage is able to be exposed to release pressure fast from the rim of a cup of molten sample cup.Above-mentioned reaction force derives from short time of gas pressure in molten sample cup and rises suddenly and sharply.So just can prevent that molten sample cup blast from damaging.
Preferably, described explosion layer and described abutting part are one-body molded, in the groove of described hole, are provided with at least one blade, and described blade cuts off described explosion layer while increase rapidly for the air pressure in described molten sample cup.
That is to say, blade is set and makes explosion layer can be more cut off rapidly explosion layer when the air pressure in molten sample cup explodes efficiently.
Preferably, between described elastomer and described cap, be provided with one for holding elastomeric elastomer box.
Preferably, on the end face of described cap away from described molten sample cup, be provided with one for to the spacing position-limit mechanism of described elastomer box.
Herein, such setting can make of the present utility modelly quantitatively to lose heart that to rush down the closed microwave high-pressure digestion jar structure of pressure more reasonable.
Positive progressive effect of the present utility model is: by elastomer being set between bowl cover and abutting part, be screwed into abutting part from tank frame external spiral again, make the quantitatively disappointing closed microwave high-pressure digestion tank that rushes down pressure of the present utility model can ensure a fixing safety relief value; On the other hand, by the different gas passage of setting position, make the both release pressures slowly of closed microwave high-pressure digestion tank that quantitatively lose heart and rush down pressure of the present utility model, also can be in the time that molten sample cup internal pressure rises suddenly and sharply the release pressure of safety.
Brief description of the drawings
Fig. 1 is the structural representation of the micro-wave diminishing pot of prior art.
Fig. 2 is the structural representation of the micro-wave diminishing pot of prior art.
Fig. 3 is the structural representation of the micro-wave diminishing pot of prior art.
Fig. 4 is the structural representation of the micro-wave diminishing pot of prior art.
Fig. 5 is the structural representation of the micro-wave diminishing pot of prior art.
Fig. 6 is the quantitatively structural representation of the disappointing closed microwave high-pressure digestion tank that rushes down pressure of the utility model embodiment 1.
Fig. 7 is the quantitatively structural representation of the bowl cover of the disappointing closed microwave high-pressure digestion tank that rushes down pressure of the utility model embodiment 1.
Fig. 8 is the quantitatively post-rift structural representation of pressure-bearing plate of the disappointing closed microwave high-pressure digestion tank that rushes down pressure of the utility model embodiment 1.
Fig. 9 is the quantitatively structural representation of the disappointing closed microwave high-pressure digestion tank that rushes down pressure of the utility model embodiment 2.
Figure 10 is the quantitatively post-rift structural representation of pressure-bearing plate of the disappointing closed microwave high-pressure digestion tank that rushes down pressure of the utility model embodiment 2.
Detailed description of the invention
Lift a preferred embodiment below, and carry out by reference to the accompanying drawings the clearer the utility model that intactly illustrates.
Embodiment 1
Fig. 6 is the quantitatively structural representation of the disappointing closed microwave high-pressure digestion tank that rushes down pressure of the present embodiment, Fig. 7 is the quantitatively structural representation of the bowl cover of the disappointing closed microwave high-pressure digestion tank that rushes down pressure of the present embodiment, as shown in Fig. 6～7, the quantitatively disappointing closed microwave high-pressure digestion tank that rushes down pressure that the present embodiment relates to includes:
Tank frame 2, molten sample cup 7, bowl cover, protective sleeve 6, elastomer 3 and the pressure-bearing screw 1 as abutting part; protective sleeve 6 is outside the molten sample cup 7 of being sheathed on of tank frame 2 inner close fittings, and bowl cover includes the airtight piston part 42 of molten sample cup 7 and the cap 41 of the airtight opening that covers molten sample cup 7 filled in.
On piston part 42, be provided with 51 and 4 the second gas passages 52 of 4 the first gas passages, the side that one end of the first gas passage 51 and the second gas passage 52 is close to molten sample cup 7 sidewalls in the position different from cap 41 distances with piston part 42 is respectively connected, and the other end is communicated with the end face that molten sample cup 7 is filled in piston part 42;
Wherein, the area in the interior cross section of the first gas passage 51 is less than the area in the interior cross section of the second gas passage 52.The position that the position that the first gas passage 51 is communicated with the side of piston part 42 is communicated with the side of piston part 42 than the second gas passage 52 with the distance of cap 41 and the distance of cap 41 are nearer.
In addition, pressure-bearing screw 1 just the opening spiral to molten sample cup 7 be screwed into tank frame 2 inside, and across elastomer 3 butt caps 41 end face away from molten sample cup 7.And pressure-bearing screw 1 is with default torsion (the present embodiment is set to a 2 newton) butt elastomer 3.
That is to say, the first gas passage 51 of the more close cap 41 in position is thinner, is suitable for the pressure in the molten sample cup 7 of the release of a little in the time that pressure slowly increases; And the second gas passage 52 that is positioned at the first gas passage 51 belows is thicker, be applicable to discharge faster gas, slowly-releasing pressure in the time that molten sample cup 7 internal pressures were surged in the short time.
Pressure-bearing screw 1 compresses elastomer 3 and then pressed glass is placed on the rim of a cup of molten sample cup 7, and pressure-bearing screw 1 to be spiral be screwed into tank frame 2 inside, the pressure (can set the pressure of compression) that can use the instrument controls such as torque spanner to compress.And the first gas passage 51 on the piston part 42 of bowl cover and the second gas passage 52 are obstructed (one end of the first gas passage 51 and the second gas passage 52 export the wall of cup that leads to molten sample cup 7) in the time that bowl cover sealing is pressed on molten sample cup 7, and rise to gradually in the process of elevated pressures (the pressure-bearing screw 1 that exceedes setting compresses the pressure of elastomer 3) when pressure in molten sample cup 7, piston part 42 is by the slowly jack-up of pressure in molten sample cup 7, (from the rim of a cup of molten sample cup 7) exposed in the one end that is positioned at the first gas passage 51 of the more close cap 41 in piston part 42, and pressure is released.After pressure is released, due to the elastic force effect of elastomer 3, bowl cover is depressed heavy, is returned to original state (pressure of that setting that instant sample cup 7 internal pressures press down lower than pressure-bearing screw 1).
If the raising speed of the pressure in molten sample cup 7 is very fast, under effect of inertia, in the short time, piston part 42 is by the higher position of air pressure jack-up in molten sample cup 7.So, the second gas passage 52 exposes from the rim of a cup of molten sample cup 7, and pressure is also just more easily released.And after pressure is released, due to the elastic force effect of elastomer 3, it is heavy that bowl cover is depressed, and is returned to original state (pressure of that setting that instant sample cup 7 internal pressures press down lower than pressure-bearing screw).
Elastomer 3 is made of metal.
Herein, it is mainly because metal is more suitable for heating in microwave field that design flexibility body 3 is made of metal, and is not subject to temperature, and the impact of pressure and heat time, can forever be used.
Fig. 8 is the quantitatively post-rift structural representation of pressure-bearing plate of the disappointing closed microwave high-pressure digestion tank that rushes down pressure of the present embodiment, as shown in Figure 8, pressure-bearing screw 1 and elastomer 3 between be provided with pressure-bearing plate 11, pressure-bearing plate 11 is one-body molded with pressure-bearing screw 1, pressure-bearing screw 1 is cylindricality, elastomer 3 is provided with hole groove 31 on the position of corresponding pressure-bearing screw 1, and the cross section of hole groove 31 is greater than the cross section of pressure-bearing screw 1, and the cross section of hole groove 31 is less than the cross section of pressure-bearing plate 11.
That is to say, the pressure-bearing screw 1 of cylindricality can be under the effect of a reaction force, pressure-bearing plate 11 is broken, at this moment the pressure-bearing screw 1 of cylindricality will fall in the hole groove 31 arranging on elastomer 3, so the activity space of bowl cover has just occurred, the second gas passage 52 is able to be exposed to release pressure fast from the rim of a cup of molten sample cup 7.Above-mentioned reaction force derives from short time of molten sample cup 7 interior gas pressures and rises suddenly and sharply.So just can prevent that molten sample cup 7 blasts from damaging.
Between elastomer 3 and cap 41, be provided with the elastomer box 32 for holding elastomer 3.
On the end face of cap 41 away from molten sample cup 7, be provided with one for the stopper slot 43 spacing to elastomer box 32.
Embodiment 2
Fig. 9 is the quantitatively structural representation of the disappointing closed microwave high-pressure digestion tank that rushes down pressure of embodiment 2, Figure 10 is the quantitatively post-rift structural representation of pressure-bearing plate of the disappointing closed microwave high-pressure digestion tank that rushes down pressure of embodiment 2, as shown in Fig. 9～10, embodiment 2 is with the difference of embodiment 1, is only provided with some (the present embodiment is 4) first gas passage 51(the second gas passage is not set on piston part 42).
In addition, between elastomer 3 and pressure-bearing plate 11, be provided with cutting blade 5.When use, tightening pressure-bearing screw 1 butt pressure-bearing plate 11 compresses pressure-bearing plate 11 and cutting blade 5.
The principle of embodiment 2 is: the pressure in molten sample cup 7 hour, rise, and the first gas passage 51 is exposed with release pressure by pressure jacking piston part 42; In the time that the pressure in molten sample cup 7 rises rapidly, pressure jacking piston part 42, and then promotion elastomer 3 applies larger pressure towards pressure-bearing plate 11, make the cutting blade 5 between elastomer 3 and pressure-bearing plate 11 cut off pressure-bearing plate 11, at this moment the pressure-bearing screw 1 of cylindricality will fall in the hole groove 31 arranging on elastomer 3, so the activity space of bowl cover has just occurred, deviate from from the rim of a cup of molten sample cup 7 whole piston part 42, and the gas in molten sample cup 7 is exposed to release pressure fast on a large scale.So just can prevent that molten sample cup 7 blasts from damaging.
Although more than described detailed description of the invention of the present utility model, it will be understood by those of skill in the art that this only illustrates, protection domain of the present utility model is limited by appended claims.Those skilled in the art is not deviating under the prerequisite of principle of the present utility model and essence, can make various changes or modifications to these embodiments, but these changes and amendment all fall into protection domain of the present utility model.
Claims (10)
1. a quantitatively disappointing closed microwave high-pressure digestion tank that rushes down pressure, it includes a tank frame, a molten sample cup, a bowl cover and a protective sleeve, described protective sleeve is outside the described molten sample cup of being sheathed on of described tank frame inner close fitting, described bowl cover includes the airtight piston part of described molten sample cup and the cap for an airtight opening that covers described molten sample cup filled in, it is characterized in that, the described quantitatively disappointing closed microwave high-pressure digestion tank that rushes down pressure also includes: at least one elastomer and an abutting part;
On described piston part, be provided with some gas passages, one end of some described gas passages is connected with the side that described molten sample cup sidewall is close in described piston part, and the other end is communicated with the end face that described molten sample cup is filled in described piston part;
Described abutting part just the opening spiral to described molten sample cup be screwed into described tank frame inside, and across cap described in described elastomer butt the end face away from described molten sample cup.
2. the quantitatively disappointing closed microwave high-pressure digestion tank that rushes down pressure as claimed in claim 1, it is characterized in that, described molten sample cup sidewall is close to respectively in one end of described gas passage side in the position different from described cap distance is connected, and the other end is communicated with the end face that described molten sample cup is filled in described piston part.
3. as claimed in claim 1ly quantitatively lose heart and rush down the closed microwave high-pressure digestion tank of pressure, it is characterized in that, described abutting part is with elastomer described in a default torsion butt.
4. the quantitatively disappointing closed microwave high-pressure digestion tank that rushes down pressure as claimed in claim 1, is characterized in that, described elastomer is made of metal.
5. the quantitatively disappointing closed microwave high-pressure digestion tank that rushes down pressure as claimed in claim 2, it is characterized in that, described gas passage includes at least one the first gas passage and at least one the second gas passage, and the area in the interior cross section of described the first gas passage is less than the area in the interior cross section of described the second gas passage;
The position that the position that described the first gas passage is communicated with the side of described piston part is communicated with the side of described piston part than described the second gas passage with the distance of described cap and the distance of described cap are nearer.
6. the quantitatively disappointing closed microwave high-pressure digestion tank that rushes down pressure as claimed in claim 1, is characterized in that, described abutting part is an explosion piece.
7. quantitatively losing heart as described in any one in claim 1～5 rushes down the closed microwave high-pressure digestion tank of pressure, it is characterized in that, between described abutting part and described elastomer, be provided with an explosion layer, described abutting part is cylindricality, described elastomer is provided with a hole groove on the position of the described abutting part of correspondence, the cross section of described hole groove is greater than the cross section of described abutting part, and the cross section of described hole groove is less than the cross section of described explosion layer.
8. the quantitatively disappointing closed microwave high-pressure digestion tank that rushes down pressure as claimed in claim 7, it is characterized in that, described explosion layer and described abutting part are one-body molded, in the groove of described hole, are provided with at least one blade, and described blade cuts off described explosion layer while increase rapidly for the air pressure in described molten sample cup.
9. the quantitatively disappointing closed microwave high-pressure digestion tank that rushes down pressure as claimed in claim 8, is characterized in that, is provided with one for holding described elastomeric elastomer box between described elastomer and described cap.
10. as claimed in claim 9ly quantitatively lose heart and rush down the closed microwave high-pressure digestion tank of pressure, it is characterized in that, on the end face of described cap away from described molten sample cup, be provided with one for to the spacing position-limit mechanism of described elastomer box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420175652.4U CN203990676U (en) | 2014-04-11 | 2014-04-11 | Quantitatively lose heart and rush down the closed microwave high-pressure digestion tank of pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420175652.4U CN203990676U (en) | 2014-04-11 | 2014-04-11 | Quantitatively lose heart and rush down the closed microwave high-pressure digestion tank of pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203990676U true CN203990676U (en) | 2014-12-10 |
Family
ID=52030748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420175652.4U Withdrawn - After Issue CN203990676U (en) | 2014-04-11 | 2014-04-11 | Quantitatively lose heart and rush down the closed microwave high-pressure digestion tank of pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203990676U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104971787A (en) * | 2014-04-11 | 2015-10-14 | 黄庭国 | Quantitatively gas-leakage and pressure-relieving sealed microwave high-pressure digestion tank |
| US10065168B2 (en) | 2016-05-02 | 2018-09-04 | Cem Corporation | High temperature pressure digestion vessel system with dual action seal |
-
2014
- 2014-04-11 CN CN201420175652.4U patent/CN203990676U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104971787A (en) * | 2014-04-11 | 2015-10-14 | 黄庭国 | Quantitatively gas-leakage and pressure-relieving sealed microwave high-pressure digestion tank |
| CN104971787B (en) * | 2014-04-11 | 2017-08-11 | 上海新仪微波化学科技有限公司 | The quantitative discouraged closed microwave high-pressure digestion tank for rushing down pressure |
| US10065168B2 (en) | 2016-05-02 | 2018-09-04 | Cem Corporation | High temperature pressure digestion vessel system with dual action seal |
| US10245575B2 (en) | 2016-05-02 | 2019-04-02 | Cem Corporation | High temperature pressure digestion vessel system with dual action seal |
| US10695738B2 (en) | 2016-05-02 | 2020-06-30 | Cem Corporation | High temperature pressure digestion vessel system with dual action seal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203990676U (en) | Quantitatively lose heart and rush down the closed microwave high-pressure digestion tank of pressure | |
| CN104971787A (en) | Quantitatively gas-leakage and pressure-relieving sealed microwave high-pressure digestion tank | |
| US4245277A (en) | Electrolytic capacitor provided with a pressure relief valve | |
| CN111916615A (en) | Power battery explosion-proof valve structure and processing technology thereof | |
| CN214373196U (en) | City gas pipeline leakproofness detection device | |
| CN102901663B (en) | Novel closed micro-wave diminishing pot | |
| CN202886173U (en) | Novel closed microwave digestion tank | |
| AU2012335258A1 (en) | Machine independent metal safety bottle | |
| CN111220322B (en) | Negative step calibrating device | |
| CN204257716U (en) | Anti-explosion cover plate for lithium battery | |
| CN201193781Y (en) | Inverted arch slit type bursting disc safety installation | |
| CN207759345U (en) | A kind of constant pressure lid | |
| CN102074671A (en) | Battery explosion-proof device | |
| CN201804935U (en) | Battery safety valve | |
| CN205423984U (en) | Rupture disc device | |
| CN203479600U (en) | High-temperature high-pressure closed digestion tank | |
| CN209892808U (en) | Safety valve spring | |
| CN209282133U (en) | A kind of device in sealing contact explosion-proof early warning structure of losing heart | |
| CN201684578U (en) | Closed digestion tank with automatic safety precautions under overheat and overpressure | |
| CN204029905U (en) | Electric automobile enclosed high pressure power brick inside and outside air pressure balance device | |
| CN210417714U (en) | Storage assembly and aerosol can device | |
| CN106404644B (en) | Testing device and testing method | |
| CN201464271U (en) | Novel microwave digesting tank | |
| CN202275778U (en) | Enclosed relay filled with gas/liquid | |
| CN203892856U (en) | Reactor safety control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141210 Effective date of abandoning: 20170811 |