CN111665116A - Chemical adsorption instrument with double-heating furnace automatic switching device - Google Patents
Chemical adsorption instrument with double-heating furnace automatic switching device Download PDFInfo
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- CN111665116A CN111665116A CN202010671788.4A CN202010671788A CN111665116A CN 111665116 A CN111665116 A CN 111665116A CN 202010671788 A CN202010671788 A CN 202010671788A CN 111665116 A CN111665116 A CN 111665116A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 118
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 12
- 239000000126 substance Substances 0.000 title claims abstract description 12
- 230000009977 dual effect Effects 0.000 claims description 5
- 230000007257 malfunction Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 16
- 238000001816 cooling Methods 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 31
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000001994 activation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- G01N1/40—Concentrating samples
- G01N1/4044—Concentrating samples by chemical techniques; Digestion; Chemical decomposition
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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
- G01N1/40—Concentrating samples
- G01N1/405—Concentrating samples by adsorption or absorption
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
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- Chemical Kinetics & Catalysis (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
A chemical adsorption instrument with double heating furnace automatic switching devices is characterized in that the positions of two heating furnaces are automatically switched, lifted, installed and lowered to be separated without manual intervention by a heating furnace position rotating switching mechanical device and a heating furnace lifting mechanical device, so that full automation of a pretreatment process to a test process is realized, and the danger and complexity of personnel operation are reduced; meanwhile, the invention adopts a mode of alternately working the double heating furnaces to carry out pretreatment and test, one of the two heating furnaces works and the other one cools, and the time for waiting for cooling of the heating furnaces is cancelled or shortened, so the test efficiency is greatly improved; and two heating furnaces are mutually standby, and when one heating furnace breaks down, the instrument can still adopt the single heating furnace to continue working, and the anti-accident and anti-risk capability of the instrument is improved.
Description
Technical Field
The invention relates to the field of chemical adsorption instrument equipment, in particular to a chemical adsorption instrument with a double-heating-furnace automatic switching device.
Background
The test process of the chemical absorption instrument is generally divided into or comprises the following two stages: the first stage is the pre-treatment process of programmed temperature degasification activation, adsorption, preparation, etc. that is, the sample is heated from room temperature to higher temperature in a programmed temperature manner under the condition of introducing inert gas or a reaction gas, so that the sample is degassed and activated or reacts with the gas to be pre-treated. The second stage is a temperature programming test process, namely, while introducing another component gas, the sample is heated to a higher temperature from a lower temperature close to the room temperature by adopting a temperature programming mode, so that the conditions of desorption or reaction with the gas and the like of the test sample are obtained.
The traditional chemical adsorption instrument at present only has one heating furnace, the sample pretreatment process is switched to the test process, the sample and the heating furnace need to be cooled to the lower temperature of the initial stage of the test process from the higher temperature of the pretreatment process, and two steps are needed: the first step is to manually remove the heating furnace from the sample position or open the heating furnace to cool the heating furnace and the sample tube. The manual operation of the step greatly reduces the automation degree of the instrument, so that the instrument cannot work automatically, and an error source of the manual operation is introduced; in addition, operating high temperature furnaces is somewhat dangerous, adding to the complexity of manual operations. The second step is the cooling process of the heating furnace, so that the heating furnace is cooled to the initial lower initial temperature of the test process from the higher temperature of the pretreatment process, the cooling process is time-consuming and long, usually several hours are needed, even under the condition of forced cooling by blowing, a long time is needed, and the long-time cooling process greatly reduces the test efficiency of the chemical adsorption instrument.
Disclosure of Invention
In order to overcome the defects of the chemical adsorption instrument, the invention provides the chemical adsorption instrument with the automatic switching device of the double heating furnaces. The method comprises the following steps: the device comprises an automatic control system, a gas distribution system, a sample tube, a first heating furnace, a second heating furnace, a heating furnace base, a heating furnace position rotation switching mechanical device, a heating furnace lifting mechanical device and a detector.
The automatic control system is connected with the gas distribution system, the heating furnace position rotation switching mechanical device, the heating furnace lifting mechanical device and the detector through leads.
And the gas outlet of the gas distribution system is connected with the gas inlet of the sample tube through a gas guide pipeline, and the gas outlet of the sample tube is connected with the gas inlet of the detector through a gas guide pipeline.
The first heating furnace and the second heating furnace are arranged on the heating furnace bottom support, the heating furnace bottom support is connected with the heating furnace position rotation switching mechanical device through a connecting rod, and the heating furnace position rotation switching mechanical device is connected with the heating furnace lifting mechanical device through a connecting rod.
The embodiment provided by the invention discloses a chemical adsorption instrument with an automatic switching device of double heating furnaces, which has the beneficial effects that: in the pretreatment and test processes, the heating furnace does not need to be manually moved away or opened to cool the heating furnace, so that the danger and complexity of the operation of personnel are reduced; meanwhile, the invention adopts a mode of switching the double heating furnaces to carry out pretreatment and test without waiting for the cooling of the heating furnaces, thereby greatly improving the test efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic view of a structure of a chemisorption apparatus having an automatic switching mechanism of a double heating furnace at the bottom;
FIG. 2 is a schematic diagram of a chemisorption apparatus having a dual-furnace automatic switching device, after the position rotation switching of two furnaces;
FIG. 3 is a schematic top view of a dual furnace of a chemisorption apparatus having an automatic switching mechanism for the dual furnace.
In the figure, 1, an automatic control system, 2, a gas distribution system, 3, a sample tube, 4, a first heating furnace, 5, a second heating furnace, 6, a heating furnace bottom support, 7, a heating furnace position rotating and switching mechanical device, 8, a heating furnace lifting mechanical device and 9, a detector are arranged.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the automatic control system 1 is connected with a gas distribution system 2, a heating furnace position rotation switching mechanism 7, a heating furnace lifting mechanism 8 and a detector 9 through wires. The automatic control system 1 controls the gas distribution system 2 to distribute gas with certain concentration and certain flow rate; the automatic control system 1 controls the heating furnace position rotation switching mechanical device 7 to switch the heating furnace position rotation, so as to drive the first heating furnace 4 and the second heating furnace 5 to switch the heating furnace position rotation; the automatic control system 1 controls the heating furnace lifting mechanical device 8 to ascend or descend; the detector 9 transmits the detection signal to the automatic control system 1 through a wire.
The gas outlet of the gas distribution system 2 is connected with the gas inlet of the sample tube 3 through a gas guide pipeline, the gas outlet of the sample tube 3 is connected with the gas inlet of the detector 9 through a gas guide pipeline, the gas configured in the gas distribution system 2 flows into the gas inlet of the sample tube 3 through a gas guide pipeline to react with the sample in the sample tube 3 or sweep gas desorbed from the sample, and the gas generated by the reaction or the gas desorbed from the sample flows into the detector 9 through the gas guide pipeline.
The detector 9 may be a thermal conductivity detector or a mass spectrometer detector.
The first heating furnace 4 and the second heating furnace 5 are arranged on the heating furnace bottom support 6, the heating furnace bottom support 6 is connected with the heating furnace position rotation switching mechanical device 7 through a connecting rod, and the heating furnace position rotation switching mechanical device 7 is connected with the heating furnace lifting mechanical device 8 through a connecting rod. As shown in fig. 1 and 2, after the pretreatment is completed, the first heating furnace 4 is in a high temperature state, the automatic control system 1 controls the heating furnace lifting mechanism 8 to drive the heating furnace position rotation switching mechanism 7, the first heating furnace 4 and the second heating furnace 5 to descend to the lowest end, then controls the heating furnace position rotation switching mechanism 7 to rotate, and the heating furnace position rotation switching mechanism 7 drives the heating furnace bottom support 6, the first heating furnace 4 and the second heating furnace 5 to rotate and switch, so that the switching of the positions of the two heating furnaces is realized. As shown in fig. 3, after the switching between the first heating furnace 4 and the second heating furnace 5 is completed, the heating furnace lifting mechanism 8 drives the heating furnace position rotation switching mechanism 7, the heating furnace base 6, the first heating furnace 4, and the second heating furnace 5 to ascend to the top, so that the second heating furnace 5 heats the sample tube 3 to continue the test, and the first heating furnace 4 is in a cooling state.
The power source of the heating furnace position rotation switching mechanical device 7 can be a motor or a rotating cylinder, and the switching mode can be a rotating mode or a horizontal translation mode.
The first heating furnace 4 and the second heating furnace 5 are mutually standby, when one heating furnace fails and the other heating furnace can work normally, the instrument can still adopt a single heating furnace to carry out pretreatment and test on the sample.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. Chemical adsorption appearance with two heating furnace automatic switching control equipment includes: the device comprises an automatic control system (1), a gas distribution system (2), a sample tube (3), a first heating furnace (4), a second heating furnace (5), a heating furnace bottom support (6), a heating furnace position rotation switching mechanical device (7), a heating furnace lifting mechanical device (8) and a detector (9); the automatic control system is characterized in that the automatic control system (1) is connected with the gas distribution system (2), the heating furnace position rotation switching mechanical device (7), the heating furnace lifting mechanical device (8) and the detector (9) through leads; an air outlet of the air distribution system (2) is connected with an air inlet of a sample tube (3) through an air guide pipeline, and an air outlet of the sample tube (3) is connected with an air inlet of the detector (9) through an air guide pipeline; the first heating furnace (4) and the second heating furnace (5) are arranged on the heating furnace bottom support (6), the heating furnace bottom support (6) is connected with the heating furnace position rotation switching mechanical device (7) through a connecting rod, and the heating furnace position rotation switching mechanical device (7) is connected with the heating furnace lifting mechanical device (8) through a connecting rod.
2. The chemisorption instrument with the double-heating-furnace automatic switching device according to claim 1, wherein the heating-furnace position rotation switching mechanism (7) can drive the first heating furnace (4) and the second heating furnace (5) to realize the switching of the two heating furnace positions in a rotation or translation mode.
3. The chemisorption meter having an automatic switching mechanism of a dual heating furnace according to claim 1, wherein a power source of the heating furnace position rotation switching mechanism (7) may be a motor or a rotary cylinder.
4. The chemisorption instrument with the automatic switching device of the double heating furnaces according to claim 1, wherein the heating furnace lifting mechanical device (8) can drive the first heating furnace (4) and the second heating furnace (5) to move up and down in a vertical direction, so that the heating furnace and the sample tube (3) are separated in a lifting mode.
5. The chemisorption meter with the automatic switching device of the dual heating furnace according to claim 1, wherein the detector (9) may be a thermal conductivity detector or a mass spectrometer detector.
6. The chemisorption apparatus having an automatic switching unit of a dual heating furnace according to claim 1, wherein said first heating furnace (4) and said second heating furnace (5) are backup to each other, and when one of the heating furnaces malfunctions and the other heating furnace can normally operate, the apparatus can still operate with a single heating furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010671788.4A CN111665116A (en) | 2020-07-14 | 2020-07-14 | Chemical adsorption instrument with double-heating furnace automatic switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010671788.4A CN111665116A (en) | 2020-07-14 | 2020-07-14 | Chemical adsorption instrument with double-heating furnace automatic switching device |
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| Publication Number | Publication Date |
|---|---|
| CN111665116A true CN111665116A (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010671788.4A Pending CN111665116A (en) | 2020-07-14 | 2020-07-14 | Chemical adsorption instrument with double-heating furnace automatic switching device |
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| Country | Link |
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| CN (1) | CN111665116A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2266118A1 (en) * | 1974-03-29 | 1975-10-24 | Gros Sa Produits Siderurgiques | Interchangeable double boiler arrangement - has heating systems for two types of fuel automatically switched over |
| CN202956364U (en) * | 2012-12-02 | 2013-05-29 | 东北石油大学 | Two-channel gas-solid reaction device |
| CN203083959U (en) * | 2013-01-23 | 2013-07-24 | 上虞市宏兴机械仪器制造有限公司 | Coke reactivity measuring device |
| CN206635230U (en) * | 2017-02-24 | 2017-11-14 | 夏献民 | Double flute chemical glass annealing furnace |
| CN109490131A (en) * | 2018-09-21 | 2019-03-19 | 华中科技大学 | It is a kind of for gaseous state heavy metal generation-adsorption test real-time testing system |
| CN111141587A (en) * | 2020-03-02 | 2020-05-12 | 贝士德仪器科技(北京)有限公司 | Full-automatic physical adsorption instrument capable of automatically switching positions of heating furnace and constant-temperature bath cup |
| CN212432748U (en) * | 2020-07-14 | 2021-01-29 | 贝士德仪器科技(北京)有限公司 | Chemical adsorption instrument with double-heating furnace automatic switching device |
-
2020
- 2020-07-14 CN CN202010671788.4A patent/CN111665116A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2266118A1 (en) * | 1974-03-29 | 1975-10-24 | Gros Sa Produits Siderurgiques | Interchangeable double boiler arrangement - has heating systems for two types of fuel automatically switched over |
| CN202956364U (en) * | 2012-12-02 | 2013-05-29 | 东北石油大学 | Two-channel gas-solid reaction device |
| CN203083959U (en) * | 2013-01-23 | 2013-07-24 | 上虞市宏兴机械仪器制造有限公司 | Coke reactivity measuring device |
| CN206635230U (en) * | 2017-02-24 | 2017-11-14 | 夏献民 | Double flute chemical glass annealing furnace |
| CN109490131A (en) * | 2018-09-21 | 2019-03-19 | 华中科技大学 | It is a kind of for gaseous state heavy metal generation-adsorption test real-time testing system |
| CN111141587A (en) * | 2020-03-02 | 2020-05-12 | 贝士德仪器科技(北京)有限公司 | Full-automatic physical adsorption instrument capable of automatically switching positions of heating furnace and constant-temperature bath cup |
| CN212432748U (en) * | 2020-07-14 | 2021-01-29 | 贝士德仪器科技(北京)有限公司 | Chemical adsorption instrument with double-heating furnace automatic switching device |
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