CN107727482B - Acid dispelling device - Google Patents
Acid dispelling device Download PDFInfo
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- CN107727482B CN107727482B CN201710949154.9A CN201710949154A CN107727482B CN 107727482 B CN107727482 B CN 107727482B CN 201710949154 A CN201710949154 A CN 201710949154A CN 107727482 B CN107727482 B CN 107727482B
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- 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
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Abstract
The invention discloses an acid removing device, and aims to provide an acid removing device which can effectively solve the problem that a digestion tube solution is evaporated to dryness or coked due to negligence of experimenters, so that an experiment fails. It comprises a plurality of digestion pipes; the heater comprises a heating flat plate, and the upper surface of the heating flat plate is provided with a plurality of vertical heating holes; the digestion tube support frame is provided with a plurality of digestion tube vertical guide sleeves which are in one-to-one correspondence with the vertical heating holes, and the digestion tube vertical guide sleeves are positioned right above the corresponding vertical heating holes; and the self-adaptive heating isolation devices correspond to the vertical heating holes one by one and comprise guide sliders arranged in the vertical heating holes in a sliding manner, reset compression springs positioned between the bottom surfaces of the vertical heating holes and the guide sliders, heat insulation supporting plates positioned above the guide sliders and used for supporting digestion tubes and connecting rods for connecting the guide sliders and the heat insulation supporting plates.
Description
Technical Field
The invention relates to experimental equipment, in particular to an acid dispelling device.
Background
Acid removal is an important step in the process of detecting heavy metals in a sample. Acid dispelling experiments generally require that an acid solution in the digestion pipes is dispelled to 10-20% of the original volume, the acid dispelling process usually requires 3-4 hours, the consumed time is long, and the acid dispelling time among the digestion pipes is different, so that experimenters need to pay attention to the acid dispelling process all the time, and the digestion pipe solution is prevented from being evaporated to dryness; however, in the actual acid removing process, the digestion tube solution is often evaporated to dryness or charred due to negligence of experimenters, so that the experiment fails.
On the other hand, the acid vapor volatilized in the acid removing process can diffuse in a laboratory, so that the laboratory environment is polluted, and meanwhile, the experimental instrument is damaged and the physical injury of the experimenters is caused.
Disclosure of Invention
The invention aims to provide an acid dispelling device which can effectively solve the problem that experiment failure is caused by evaporation of a digestion tube solution or coke evaporation due to negligence of experimenters.
The technical scheme of the invention is as follows:
an acid dispelling device comprises a plurality of digestion pipes; the heater comprises a heating flat plate, and the upper surface of the heating flat plate is provided with a plurality of vertical heating holes for placing the digestion tubes; the digestion tube support frame is provided with a plurality of digestion tube vertical guide sleeves which are in one-to-one correspondence with the vertical heating holes, and the digestion tube vertical guide sleeves are positioned right above the corresponding vertical heating holes; the self-adaptive heating isolation devices correspond to the vertical heating holes one by one, and each self-adaptive heating isolation device comprises a guide sliding block, a reset compression spring, a heat insulation supporting plate, a connecting rod, a vertical limiting guide groove and a limiting block, wherein the guide sliding block is arranged in the vertical heating holes in a sliding mode, the reset compression spring is positioned between the bottom surface of the vertical heating hole and the guide sliding block, the heat insulation supporting plate is positioned above the guide sliding block and used for supporting the digestion tubes, the connecting rod is used for connecting the guide sliding block and the heat insulation supporting plate, the vertical limiting guide groove is arranged on the inner side surface of the vertical heating; when the stopper supports the upper end at vertical spacing guide slot: the heat insulation support plate is positioned above the heating flat plate; when the stopper supports the lower extreme at vertical spacing guide slot: the heat insulation support plates are positioned in the corresponding vertical heating holes.
The acid dispelling device can separate the heating of the digestion pipe absolutely when any one of the digestion pipe is dispelled to the set value, thereby effectively solving the problem that the solution of the digestion pipe is evaporated to dryness or scorched due to negligence of experimenters, and the experiment fails.
Preferably, the digestion device further comprises a suction device, the suction device comprises an exhaust pipeline, an outer cover with an opening at the lower end, a suction port arranged on the top surface of the outer cover and an exhaust fan arranged on the suction port, one end of the exhaust pipeline is connected with the exhaust port of the exhaust fan, and the heater and the digestion pipe support frame are both positioned in the outer cover.
This scheme structure can avoid reaching up volatile sour steam of sour in-process and can also fill in the laboratory, guarantees the laboratory environment, avoids sour steam to destroy laboratory glassware and cause the injury of experimenter health.
Preferably, the digestion tube vertical guide sleeves and the corresponding vertical heating holes are coaxially distributed.
Preferably, the heat insulation support plate is a glass fiber plate or an asbestos plate or a rock wool plate.
Preferably, the digestion tube is a straight tube.
The invention has the beneficial effects that:
firstly, the problem that the solution of the digestion tube is evaporated to dryness or coked due to negligence of experimenters so that the experiment fails can be effectively solved.
And secondly, the laboratory environment is ensured, and the damage of acid vapor to experimental instruments and the physical injury of experimental personnel are avoided.
Drawings
Fig. 1 is a schematic structural diagram of an acid-expelling device according to the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
In the figure:
the heater 1, the heating flat plate 1.1 and the vertical heating hole 1.2;
a digestion tube support frame 2 and a digestion tube vertical guide sleeve 2.1;
a digestion tube 3;
a suction device 4, an outer cover 4.1, an exhaust fan 4.2 and an exhaust pipeline 4.3;
self-adaptation heating isolating device 5, direction slider 5.1, vertical spacing guide slot 5.2, reset compression spring 5.3, stopper 5.4, connecting rod 5.5, thermal-insulated backup pad 5.6.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
as shown in fig. 1 and 2, an acid removing device comprises a heater 1, a digestion tube support frame 2, a suction device 4, a plurality of digestion tubes 3 and a plurality of self-adaptive heating isolation devices 5. The digestion tube is a flat-bottom straight tube.
The suction device comprises an exhaust duct, an outer cover 4.1 with an opening at the lower end, a suction port arranged on the top surface of the outer cover, an exhaust fan 4.2 arranged on the suction port and an exhaust duct 4.3 connected with the exhaust port of the exhaust fan. The outer cover is a transparent outer cover. One end of the exhaust pipeline is connected with an exhaust outlet of the exhaust fan, and the other end of the exhaust pipeline is communicated with the outside. The heater and the digestion tube support frame are both positioned in the outer cover.
The heater comprises a heating plate 1.1. The upper surface of the heating flat plate is provided with a plurality of vertical heating holes 1.2 for placing digestion tubes.
A plurality of digestion tube vertical guide sleeves 2.1 which are in one-to-one correspondence with the vertical heating holes are arranged on the supporting frame. The vertical guide sleeve of the digestion tube is positioned right above the corresponding vertical heating hole. The vertical guide sleeves of the digestion tubes are coaxially distributed with the corresponding vertical heating holes.
The self-adaptive heating isolation devices correspond to the vertical heating holes one by one. Self-adaptation heating isolating device is including sliding setting guide slider 5.1 in vertical heating hole, reset compression spring 5.3 that is located between vertical heating hole bottom surface and the guide slider, be located guide slider top and be used for supporting thermal-insulated backup pad 5.6 of clearing up the pipe, connecting rod 5.5 of connecting guide slider and thermal-insulated backup pad, vertical spacing guide slot 5.2 and the setting on guide slider and with vertical spacing guide slot matched with stopper 5.4 on vertical heating hole medial surface. The heat insulation support plate is a glass fiber plate or an asbestos plate or a rock wool plate.
As shown in fig. 2, when the limiting block abuts against the upper end of the vertical limiting guide groove: the heat insulation support plate is positioned above the heating flat plate.
When the stopper supports the lower extreme at vertical spacing guide slot: the heat insulation support plates are positioned in the corresponding vertical heating holes.
The digestion pipes are inserted into the corresponding digestion pipe vertical guide sleeves, and the bottom surfaces of the digestion pipes are supported on the corresponding heat insulation support plates.
When the volume of the solution in the digestion pipe is equal to 20% of the volume of the digestion pipe, the limiting block abuts against the lower end of the vertical limiting guide groove, the heat insulation supporting plate is positioned in the corresponding vertical heating hole at the moment, and the lower part of the digestion pipe is positioned in the corresponding vertical heating hole.
When the volume of digesting intraductal solution equals to digest the 10% of the volume of pipe, the stopper supports the upper end at vertical spacing guide slot, and thermal-insulated backup pad is located the top of heated plate this moment, and the lower extreme of digesting the pipe is located the top of heated plate to separate the absolute heating of this tube of digesting.
The digestion tubes were heated by the heating plates of the heaters, and the acid-repelling experiment was performed (the volume of the solution in the digestion tubes before the acid-repelling experiment was equal to 90% of the volume of the digestion tubes).
In hurting up sour experimentation, the air exhauster work to discharge the sour steam in the dustcoat outside the laboratory through exhaust duct, thereby guarantee the laboratory environment, avoid sour steam to destroy laboratory glassware and cause the injury of experimenter health.
During the acid-dispelling experiment, when the volume of the solution in any one digestion tube is 15-20% of the volume of the digestion tube: under the action of a corresponding reset compression spring, the guide slide block starts to move upwards, so that the digestion tube is driven to move upwards by the heat insulation support plate; when the volume of the solution in the digestion tube is 12-15% of the volume of the digestion tube, the heat insulation support plate is moved to the position above the heating flat plate, and at the moment, the digestion tube is positioned above the heating flat plate to insulate the heating of the digestion tube; therefore, the problem that the solution of the digestion tube is evaporated to dryness or coked by evaporation due to negligence of experimenters, so that the experiment fails is effectively solved.
When the acid dispelling experiment is completed, the heater stops working, and the exhaust fan stops working; and then the outer cover is taken down.
Claims (5)
1. The utility model provides a catch up sour device, includes a plurality of pipes of dispelling, characterized by still includes:
the heater comprises a heating flat plate, and the upper surface of the heating flat plate is provided with a plurality of vertical heating holes for placing the digestion tubes;
the digestion tube support frame is provided with a plurality of digestion tube vertical guide sleeves which are in one-to-one correspondence with the vertical heating holes, and the digestion tube vertical guide sleeves are positioned right above the corresponding vertical heating holes; and
the self-adaptive heating isolation devices correspond to the vertical heating holes one by one, and each self-adaptive heating isolation device comprises a guide sliding block, a reset compression spring, a heat insulation supporting plate, a connecting rod, a vertical limiting guide groove and a limiting block, wherein the guide sliding block is arranged in the vertical heating holes in a sliding mode;
when the stopper supports the upper end at vertical spacing guide slot: the heat insulation support plate is positioned above the heating flat plate;
when the stopper supports the lower extreme at vertical spacing guide slot: the heat insulation support plates are positioned in the corresponding vertical heating holes;
when the volume of the solution in the digestion pipe is equal to 20% of the volume of the digestion pipe, the limiting block abuts against the lower end of the vertical limiting guide groove, the heat insulation support plate is positioned in the corresponding vertical heating hole, and the lower part of the digestion pipe is positioned in the corresponding vertical heating hole;
when the volume of digesting intraductal solution equals to digest the 10% of the volume of pipe, the stopper supports the upper end at vertical spacing guide slot, and thermal-insulated backup pad is located the top of heated plate this moment, and the lower extreme of digesting the pipe is located the top of heated plate to separate the absolute heating of this tube of digesting.
2. The acid dispelling device according to claim 1, further comprising a suction device, wherein the suction device comprises an exhaust duct, a housing with an open lower end, a suction port arranged on the top surface of the housing, and an exhaust fan arranged on the suction port, one end of the exhaust duct is connected with the exhaust port of the exhaust fan, and the heater and the digestion tube support frame are both positioned in the housing.
3. The acid-removing device as claimed in claim 1, wherein the digestion tube vertical sleeves are coaxially distributed with the corresponding vertical heating holes.
4. The acid-dispelling device as claimed in claim 1, 2 or 3, wherein the heat-insulating support plate is a glass fiber plate or an asbestos plate or a rock wool plate.
5. The acid-removing device as claimed in claim 1, 2 or 3, wherein said digestion tube is a straight tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710949154.9A CN107727482B (en) | 2017-10-12 | 2017-10-12 | Acid dispelling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710949154.9A CN107727482B (en) | 2017-10-12 | 2017-10-12 | Acid dispelling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107727482A CN107727482A (en) | 2018-02-23 |
| CN107727482B true CN107727482B (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710949154.9A Active CN107727482B (en) | 2017-10-12 | 2017-10-12 | Acid dispelling device |
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| CN (1) | CN107727482B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044681A (en) * | 2019-04-30 | 2019-07-23 | 李立华 | A kind of heating resolution exhaust gas collection device |
| CN111272532B (en) * | 2020-02-18 | 2023-06-09 | 张振江 | Full-automatic digestion acid-removing instrument |
| CN114199979B (en) * | 2020-09-16 | 2024-04-30 | 中国石油化工股份有限公司 | Digestion and evaporation device and method for measuring trace element content |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201983971U (en) * | 2011-01-24 | 2011-09-21 | 中国烟草总公司郑州烟草研究院 | Electric hot plate vapor block with protection function |
| CN203224396U (en) * | 2013-04-17 | 2013-10-02 | 周焓 | Two-position heating digestion device |
| CN104849132B (en) * | 2015-05-30 | 2018-06-15 | 济南盛泰电子科技有限公司 | Sour instrument is caught up in a kind of resolution |
| CN107036875B (en) * | 2016-11-04 | 2019-11-15 | 北京莱伯泰科仪器股份有限公司 | Vacuum acid-dispelling system and vacuum air-channel integrating device for vacuum acid-dispelling system |
| CN206208638U (en) * | 2016-12-06 | 2017-05-31 | 天津市疾病预防控制中心 | Sour instrument is caught up with prompting function |
| CN106501066A (en) * | 2016-12-27 | 2017-03-15 | 钦州市明大检测认证技术有限公司 | Clear up the heating and temperature controlling device for catching up with sour instrument |
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- 2017-10-12 CN CN201710949154.9A patent/CN107727482B/en active Active
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