CN106596902B - Portable full-automatic petroleum product hydrogen sulfide tester - Google Patents
Portable full-automatic petroleum product hydrogen sulfide tester Download PDFInfo
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- CN106596902B CN106596902B CN201710041214.7A CN201710041214A CN106596902B CN 106596902 B CN106596902 B CN 106596902B CN 201710041214 A CN201710041214 A CN 201710041214A CN 106596902 B CN106596902 B CN 106596902B
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- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 229910000037 hydrogen sulfide Inorganic materials 0.000 title claims abstract description 76
- 239000003209 petroleum derivative Substances 0.000 title claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 57
- 239000007789 gas Substances 0.000 claims abstract description 41
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims description 20
- 238000004321 preservation Methods 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 14
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 230000001012 protector Effects 0.000 claims description 6
- 239000003463 adsorbent Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 14
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000012545 processing Methods 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 20
- 150000003568 thioethers Chemical class 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 150000003573 thiols Chemical class 0.000 description 3
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 206010019233 Headaches Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000003918 potentiometric titration Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- -1 thiol compounds Chemical class 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000012546 transfer 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
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2835—Specific substances contained in the oils or fuels
- G01N33/2841—Gas in oils, e.g. hydrogen in insulating oils
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Biochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention discloses a portable full-automatic petroleum product hydrogen sulfide tester, which comprises a box body, a testing system, a temperature control system, a gas circuit control system and a numerical control system, wherein the box body is provided with a gas inlet and a gas outlet; the invention integrates a measuring system, a temperature control system, a gas circuit control system and a numerical control system into a box body, adopts the temperature control technology for hot metal constant temperature bath and cold metal constant temperature bath, adopts the information acquisition and processing technology of a hydrogen sulfide sensor, a signal acquisition board and a singlechip, adopts the program control of the singlechip on the gas circuit control system, and realizes the automatic and rapid detection of the hydrogen sulfide in the petroleum product; the invention has the advantages of high automation degree, high precision, simple and convenient operation and convenient carrying.
Description
Technical Field
The invention relates to the technical field of oil gas detection, in particular to a portable full-automatic petroleum product hydrogen sulfide tester.
Background
Excessive hydrogen sulfide in petroleum products such as crude oil, fuel oil, etc. can cause health hazards and violate local occupational health and safety regulations. In addition, the presence of hydrogen sulfide can cause corrosion during refining or other activities. Maintaining a safe level of hydrogen sulfide requires control measures that require accurate measurement methods to measure potentially dangerous hydrogen sulfide in the fuel.
Due to hydrogen sulfide (H) 2 S) is a very dangerous, toxic, explosive, flammable, colorless and transparent gas, and H 2 S can form during production in a refinery or can be released during gas handling, storage and analysis. At very low concentrations, there is a particularly strong egg taste. However, at high concentrations, it can cause headache, dizziness, and even instant death.
In the prior art, the detection of hydrogen sulfide in petroleum products usually adopts a gas chromatography method and a potentiometric titration method, and has the problems that detection equipment is large in size, inconvenient to carry and incapable of realizing field detection; the existing portable hydrogen sulfide sensor can only measure hydrogen sulfide in air, and cannot accurately measure hydrogen sulfide in liquid petroleum products.
Disclosure of Invention
The invention aims to provide a portable full-automatic petroleum product hydrogen sulfide tester aiming at the defects of the prior art, which integrates a measuring system, a temperature control system, a gas circuit control system and a numerical control system into a box body, adopts the temperature control technology of a hot metal constant temperature bath and a cold metal constant temperature bath, adopts the information acquisition and processing technology of a hydrogen sulfide sensor, a signal acquisition board and a singlechip, adopts the program control of the singlechip on the gas circuit control system, realizes the automatic and rapid detection of hydrogen sulfide in petroleum products, and has the advantages of high automation degree, high precision, simple and convenient operation and convenient carrying.
The specific technical scheme for realizing the purpose of the invention is as follows:
a portable full-automatic petroleum product hydrogen sulfide tester is characterized by comprising:
a box body which is divided into a control cavity, a heat preservation cavity and a device arrangement cavity, wherein the control cavity is internally provided with a single board machine base and a component seat, and the outer surface of the control cavity is provided with a display screen seat, a power socket and a power switch; the periphery of the heat preservation cavity is provided with a radiator and a heat dissipation fan, the middle part of the heat preservation cavity is provided with a heat preservation layer, and the side wall of the heat preservation cavity is provided with an air inlet and an air outlet; the device setting cavity is provided with a hydrogen sulfide sensor seat and a plurality of gas circuit element seats;
a detection system consisting of a hydrogen sulfide sensor and a sensor cover plate;
a temperature control system consisting of a cold metal constant temperature bath and a hot metal constant temperature bath; wherein, a heating pipe, a first temperature sensor and a first overtemperature protector are arranged in the hot metal constant temperature bath; a semiconductor refrigerating block, an adsorbent, a second temperature sensor and a second overtemperature protector are arranged in the cold metal constant-temperature bath;
the air path control system consists of an air pump, a flow controller, an electromagnetic valve, a filter, a drying bottle, a liquid catching trap, a first electromagnetic directional valve and a second electromagnetic directional valve;
a numerical control system composed of a display screen, a single chip microcomputer, a signal acquisition board and a USB interface;
hydrogen sulfide sensor of detection system is located device and is set up hydrogen sulfide sensor in chamber
The sensor cover plate is arranged on the hydrogen sulfide sensor;
the cold metal constant-temperature bath and the hot metal constant-temperature bath of the temperature control system are arranged in the heat insulation layer of the heat insulation cavity at intervals;
an air pump, a flow controller, an electromagnetic valve, a first electromagnetic directional valve, a second electromagnetic directional valve, a filter, a drying bottle and a liquid catching trap of the air path control system are sequentially arranged on a plurality of air path element seats of an element arrangement cavity;
the display screen and the single chip microcomputer of the numerical control system are arranged on the display screen seat and the single board base of the box body, and the signal acquisition board and the USB interface are arranged on the element seat of the box body;
the single chip microcomputer is electrically connected with a heat dissipation fan, a power switch, a display screen, a signal acquisition board, a USB interface, a second temperature sensor on a cold metal constant temperature bath, a first temperature sensor on a hot metal constant temperature bath, an air pump, a flow controller, a first electromagnetic directional valve, a second electromagnetic directional valve and an electromagnetic valve on the radiator;
and the air inlet of the box body is sequentially connected with a drying bottle, a filter, an air pump, a flow controller, an electromagnetic valve, a hot metal constant-temperature bath, a liquid capture trap, a first electromagnetic directional valve, a cold metal constant-temperature bath, a second electromagnetic directional valve, a hydrogen sulfide sensor and an air outlet of the box body.
The invention integrates a measuring system, a temperature control system, a gas circuit control system and a numerical control system in a box body, adopts the temperature control technology of hot metal constant temperature bath and cold metal constant temperature bath, adopts the information acquisition and processing technology of a hydrogen sulfide sensor, a signal acquisition board and a singlechip, adopts the program control of the singlechip on the gas circuit control system, and realizes the automatic and rapid detection of the hydrogen sulfide in the petroleum product;
the invention adopts the electrochemical sensor technology: the hydrogen sulfide gas is captured by the hydrogen sulfide sensor and converted into an electric signal, the electric signal is transmitted to a single chip microcomputer of the numerical control system, and the digital signal is sent out after the data processing is carried out on the single chip microcomputer;
the invention adopts a headspace sampling technology: air enters from an air inlet of the box body, the air is mixed with an oil sample under the action of an air pump, and hydrogen sulfide volatilized from the oil sample is continuously conveyed to a hydrogen sulfide sensor by the air to be detected;
the invention adopts a gas circuit control system and a numerical control system; the flow controller is used for accurately controlling the gas flow, the filter and the drying bottle are used for ensuring the cleanliness of the gas, the liquid capture trap is used for further separating the moisture in the hydrogen sulfide gas, and the adsorbent in the cold metal constant temperature bath is used for removing thiol compounds, so that the accurate determination of the hydrogen sulfide in the petroleum product is realized;
the invention has the advantages of high automation degree, high accuracy, simple operation and convenient carrying.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure A-A of FIG. 1;
FIG. 3 is a schematic view of the cross-sectional structure B-B of FIG. 1;
FIG. 4 is a schematic view of FIG. 1 taken along line C;
FIG. 5 is a schematic view of FIG. 1 taken along line D;
FIG. 6 is a schematic flow chart of the gas circuit control system of the present invention;
FIG. 7 is a schematic flow chart of the numerical control system of the present invention.
Detailed Description
Referring to fig. 1, 2, 3, 4 and 5, the present invention includes:
a box body 1 divided into a control cavity 11, a heat preservation cavity 12 and a device setting cavity 13, wherein a single board base and a component base are arranged in the control cavity 11, and a display screen base, a power socket 17 and a power switch 18 are arranged on the outer surface; a radiator 19 and a heat dissipation fan are arranged on the periphery of the heat preservation cavity 12, a heat preservation layer 14 is arranged in the middle of the heat preservation cavity, and an air inlet 15 and an air outlet 16 are arranged on the side wall of the heat preservation cavity 12; the device setting cavity 13 is provided with a hydrogen sulfide sensor seat and a plurality of gas circuit element seats.
A detection system 2 consisting of a hydrogen sulfide sensor 21 and a sensor cover 22.
A temperature control system 3 composed of a cold metal constant temperature bath 31 and a hot metal constant temperature bath 32; wherein, a heating pipe 36, a first temperature sensor 33 and a first overtemperature protector are arranged in the hot metal constant temperature bath 32; the cold metal constant temperature bath 31 is internally provided with a semiconductor refrigeration block 37, an adsorbent 35, a second temperature sensor 34 and a second overtemperature protector.
And the air path control system 4 consists of an air pump 41, a flow controller 42, an electromagnetic valve 43, a filter 44, a drying bottle 45, a liquid catching trap 46, a first electromagnetic reversing valve 47 and a second electromagnetic reversing valve 48.
A numerical control system 5 composed of a display screen 51, a singlechip 52, a signal acquisition board 53 and a USB interface 54.
The hydrogen sulfide sensor 21 of the detection system 2 is arranged on the hydrogen sulfide sensor seat of the device setting cavity 13, and the sensor cover plate 22 is arranged on the hydrogen sulfide sensor 21.
The cold metal constant temperature bath 31 and the hot metal constant temperature bath 32 of the temperature control system 3 are arranged in the heat insulation layer 14 of the heat insulation cavity 12 at intervals.
Referring to fig. 1, 2, 3, 5 and 6, the air pump 41, the flow controller 42, the electromagnetic valve 43, the first electromagnetic directional valve 47, the second electromagnetic directional valve 48, the filter 44, the drying bottle 45 and the liquid trap 46 of the air path control system 4 are sequentially disposed on a plurality of air path component seats of the component installation chamber 13.
Referring to fig. 1, 2, 3 and 7, the display screen 51 and the single chip 52 of the numerical control system 5 are disposed on the display screen seat and the single board base of the box 1, and the signal acquisition board 53 and the USB interface 54 are disposed on the component seat of the box 1.
The single chip microcomputer 52 is electrically connected with the heat radiation fan on the heat radiator 19, the power switch 18, the display screen 51, the signal acquisition board 53, the USB interface 54, the second temperature sensor 34 on the cold metal thermostatic bath 31, the first temperature sensor 33 on the hot metal thermostatic bath 32, the air pump 41, the flow controller 42, the first electromagnetic directional valve 47, the second electromagnetic directional valve 48 and the electromagnetic valve 43.
The air inlet 15 of the box body 1 is connected with a drying bottle 45, a filter 44, an air pump 41, a flow controller 42, an electromagnetic valve 43, a hot metal constant temperature bath 32, a liquid catching trap 46, a first electromagnetic directional valve 47, a cold metal constant temperature bath 31, a second electromagnetic directional valve 48, a hydrogen sulfide sensor 21 and an air outlet 16 of the box body 1 in sequence.
The following are further descriptions of the present invention by taking the oil sample containing thiol and thioether and the oil sample without thiol and thioether as examples, respectively, through the detection process:
example 1
Referring to fig. 6, an oil sample containing mercaptan and thioether is selected, and a first electromagnetic directional valve 47 in the gas circuit control system 4 is connected with an inlet of the cold metal constant temperature bath 31, and a second electromagnetic directional valve 48 is connected with an outlet of the cold metal constant temperature bath 31.
Referring to fig. 1, 2, 3, 6 and 7, before detection, a certain amount of oil sample is weighed and placed into a test tube, a diluent is fully mixed, the test tube is placed in a hot metal constant temperature bath 32, and the hot metal constant temperature bath 32 is heated to 60 ℃ through a heating pipe 36; the temperature of the cold metal constant temperature bath 31 is reduced to-20 ℃ by a semiconductor refrigerating block 37.
The power socket 17 is powered on, the power switch 18 is turned on, the air pump 41 works, under the action of the air pump 41, air enters the test tube of the 60 ℃ hot metal constant temperature bath 32 from the air inlet 15 of the box body 1 through the drying bottle 45 and the filter 44, then the air enters the test tube oil sample, after the air enters the test tube oil sample and the oil sample in the test tube is stirred, the hydrogen sulfide gas in the test tube is conveyed into the liquid catching trap 46 from the hot metal constant temperature bath 32, the moisture in the hydrogen sulfide gas is further separated through the liquid catching trap 46, the hydrogen sulfide gas enters the-20 ℃ cold metal constant temperature bath 31 through the first electromagnetic reversing valve 47, after the mercaptan compounds are removed through the adsorbent 35 in the cold metal constant temperature bath 31, the hydrogen sulfide gas enters the hydrogen sulfide sensor 21 through the second electromagnetic reversing valve 48, the hydrogen sulfide sensor 21 electrolyzes the hydrogen sulfide in the gas, sends out an electric signal, the electric signal is collected by the signal collection plate 53 of the numerical control system 5 and then is transmitted to the single chip microcomputer 52, after the data processing is carried out through the single chip microcomputer 52, a digital signal is sent out, and the single chip microcomputer 51 is displayed on one side, and the standby oil screen 52, so that the content of the hydrogen sulfide in the oil sample is accurately stored, and the concentration value is obtained.
Example 2
Referring to fig. 6, an oil sample containing no thiol or thioether is selected, and the first electromagnetic directional valve 47 and the second electromagnetic directional valve 48 in the gas path control system 4 are connected to disconnect the cold metal thermostatic bath 31.
Referring to fig. 1, 2, 3, 6 and 7, before the detection, a certain amount of oil sample is weighed into a test tube, mixed with a diluent, the test tube is placed in a hot metal constant temperature bath 32, and the hot metal constant temperature bath 32 is heated to 60 ℃ by a heating pipe 36.
The power socket 17 is connected with a power supply, the power switch 18 is turned on, the air pump 41 works, under the action of the air pump 41, air enters a test tube of the 60 ℃ hot metal constant temperature bath 32 from the air inlet 15 of the box body 1 through the drying bottle 45 and the filter 44, then the flow controller 42 and the electromagnetic valve 43, when the air enters an oil sample of the test tube, the oil sample in the test tube is stirred, hydrogen sulfide gas in the test tube is conveyed into the liquid catching trap 46 through the hot metal constant temperature bath 32, moisture in the hydrogen sulfide gas is further separated through the liquid catching trap 46, the hydrogen sulfide gas enters the hydrogen sulfide sensor 21 through the first electromagnetic reversing valve 47 and the second electromagnetic reversing valve 48, the hydrogen sulfide sensor 21 electrolyzes the hydrogen sulfide in the gas to send out an electric signal, the electric signal is collected by the signal collecting plate 53 of the numerical control system 5 and then is transmitted to the singlechip 52 of the numerical control system 5, the singlechip 52 performs data processing, the digital signal is sent out, the digital signal is displayed on the display screen 51 on the other side and stored for standby through the singlechip 52, and the concentration value of the content of the hydrogen sulfide in the oil sample is accurately obtained.
Referring to fig. 1 and 6, in order to prevent the liquid component in the oil sample from being carried into the hydrogen sulfide sensor 21, the gas circuit control system 4 of the present invention is provided with a drying bottle 45 and a liquid capture trap 46, and the liquid component in the oil sample is dried by the drying bottle 45 and then collected by the liquid capture trap 46, so as to reduce the damage of the liquid component in the oil sample to the hydrogen sulfide sensor 21.
In order to prevent the pollution of the hydrogen sulfide gas to the environment, the invention is characterized in that the gas outlet 16 of the box body 1 is connected with a tail gas collecting device.
Referring to fig. 1, 2 and 3, the temperature control system 3 of the present invention is composed of a cold metal constant temperature bath 31 and a hot metal constant temperature bath 32, in order to prevent heat transfer between the cold metal constant temperature bath 31 and the hot metal constant temperature bath 32, the present invention further provides a heat preservation chamber 12 in the box body 1, a heat sink 19 and a heat dissipation fan are provided around the heat preservation chamber 12, a heat preservation layer 14 is provided in the middle, and the cold metal constant temperature bath 31 and the hot metal constant temperature bath 32 are provided in the heat preservation layer 14 of the heat preservation chamber 12 at intervals.
Because the hydrogen sulfide sensor 21 is an electrochemical gas sensor, in order to prevent other interference gases from influencing the measuring result, the invention sets up periodic calibration for once every three months on the hydrogen sulfide sensor 21, in order to facilitate the replacement and cleaning of the hydrogen sulfide sensor 21, the invention sets up the hydrogen sulfide sensor seat on the device setting cavity 13 in the container body 1, facilitate the dismantlement of the hydrogen sulfide sensor 21, also set up the sensor cover plate 22 at the same time, set up the gas circuit with second electromagnetic directional valve 48 and air outlet 16 on the sensor cover plate 22, after the replacement of the hydrogen sulfide sensor 21 is finished, only need to mount the sensor cover plate 22, the gas circuit is natural and together, needn't connect the gas circuit again.
In addition, because the hydrogen sulfide sensor 21 is susceptible to the influence of factors such as the temperature, the humidity and the working state of the environment, and the repeatability of the hydrogen sulfide sensor 21 is not ideal when measuring the hydrogen sulfide with low concentration (less than 1 mg/kg), in order to solve the above problems, the invention arranges the signal acquisition board 53 at the output end of the hydrogen sulfide sensor 21, and the signal acquisition board 53 amplifies the signal output by the hydrogen sulfide sensor 21, so that the hydrogen sulfide value with smaller concentration can be accurately measured, and the stability is greatly improved.
Claims (1)
1. A portable full-automatic petroleum product hydrogen sulfide tester is characterized by comprising:
a box body (1) which is divided into a control cavity (11), a heat preservation cavity (12) and a device arrangement cavity (13), wherein a single board machine base and an element device base are arranged in the control cavity (11), and a display screen base, a power socket (17) and a power switch (18) are arranged on the outer surface; a radiator (19) and a heat dissipation fan are arranged on the periphery of the heat preservation cavity (12), a heat preservation layer (14) is arranged in the middle of the heat preservation cavity, and an air inlet (15) and an air outlet (16) are arranged on the side wall of the heat preservation cavity (12); a hydrogen sulfide sensor seat and a plurality of gas circuit element seats are arranged on the element arrangement cavity (13);
a detection system (2) consisting of a hydrogen sulfide sensor (21) and a sensor cover plate (22);
a temperature control system (3) consisting of a cold metal constant temperature bath (31) and a hot metal constant temperature bath (32); wherein, a heating pipe (36), a first temperature sensor (33) and a first overtemperature protector are arranged in the hot metal constant temperature bath (32); a semiconductor refrigerating block (37), an adsorbent (35), a second temperature sensor (34) and a second overtemperature protector are arranged in the cold metal constant-temperature bath (31);
an air path control system (4) which is composed of an air pump (41), a flow controller (42), an electromagnetic valve (43), a filter (44), a drying bottle (45), a liquid catching trap (46), a first electromagnetic directional valve (47) and a second electromagnetic directional valve (48);
a numerical control system (5) which is composed of a display screen (51), a singlechip (52), a signal acquisition board (53) and a USB interface (54);
a hydrogen sulfide sensor (21) of the detection system (2) is arranged on a hydrogen sulfide sensor seat of the device arrangement cavity (13), and a sensor cover plate (22) is arranged on the hydrogen sulfide sensor (21);
the cold metal constant temperature bath (31) and the hot metal constant temperature bath (32) of the temperature control system (3) are arranged in the heat insulation layer (14) of the heat insulation cavity (12) at intervals;
an air pump (41), a flow controller (42), an electromagnetic valve (43), a first electromagnetic directional valve (47), a second electromagnetic directional valve (48), a filter (44), a drying bottle (45) and a liquid catching trap (46) of the air path control system (4) are sequentially arranged on a plurality of air path element seats of the element arrangement cavity (13);
the display screen (51) and the single chip microcomputer (52) of the numerical control system (5) are arranged on a display screen seat and a single board base of the box body (1), and the signal acquisition board (53) and the USB interface (54) are arranged on an element seat of the box body (1);
the single chip microcomputer (52) is electrically connected with a heat dissipation fan, a power switch (18), a display screen (51), a signal acquisition board (53), a USB interface (54), a second temperature sensor (34) on the cold metal constant temperature bath (31), a first temperature sensor (33) on the hot metal constant temperature bath (32), an air pump (41), a flow controller (42), a first electromagnetic reversing valve (47), a second electromagnetic reversing valve (48) and an electromagnetic valve (43) on the heat dissipater (19);
the air inlet (15) of the box body (1) is sequentially connected with a drying bottle (45), a filter (44), an air pump (41), a flow controller (42), an electromagnetic valve (43), a hot metal constant temperature bath (32), a liquid catching trap (46), a first electromagnetic directional valve (47), a cold metal constant temperature bath (31), a second electromagnetic directional valve (48), a hydrogen sulfide sensor (21) and an air outlet (16) of the box body (1) through air circuits.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710041214.7A CN106596902B (en) | 2017-01-20 | 2017-01-20 | Portable full-automatic petroleum product hydrogen sulfide tester |
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| CN201710041214.7A CN106596902B (en) | 2017-01-20 | 2017-01-20 | Portable full-automatic petroleum product hydrogen sulfide tester |
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| CN106596902A CN106596902A (en) | 2017-04-26 |
| CN106596902B true CN106596902B (en) | 2023-01-20 |
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| CN108645753B (en) * | 2018-06-23 | 2024-03-22 | 华电电力科学研究院有限公司 | Device and method for fully automatically measuring kinematic viscosity and viscosity index of oil for power equipment |
| CN109765339A (en) * | 2019-01-18 | 2019-05-17 | 广西出入境检验检疫局危险品检测技术中心 | A kind of detection of volatile hydrogen sulfide in crude oil and hazard property classification and Detection device |
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| CN105372286A (en) * | 2014-08-07 | 2016-03-02 | 青岛蓝农谷农产品研究开发有限公司 | Equipment for efficient temperature control detection of hydrogen sulfide in petroleum |
| CN205067433U (en) * | 2015-09-23 | 2016-03-02 | 新疆广陆能源科技股份有限公司 | Gas chromatograph with quick analytic system |
| CN105319304A (en) * | 2015-12-14 | 2016-02-10 | 河南省建筑科学研究院有限公司 | Portable gas chromatograph used for detecting VOC (Volatile Organic Compounds) in indoor air |
| CN106198814A (en) * | 2016-08-30 | 2016-12-07 | 新疆广陆能源科技股份有限公司 | A kind of fast gas chromatograph for mine detection |
| CN206431133U (en) * | 2017-01-20 | 2017-08-22 | 上海出入境检验检疫局工业品与原材料检测技术中心 | Portable type full-automatic oil product hydrogen sulfide detector |
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