CN212255062U - Instant detection type infrared hydrocarbon instrument - Google Patents
Instant detection type infrared hydrocarbon instrument Download PDFInfo
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- CN212255062U CN212255062U CN202021536481.5U CN202021536481U CN212255062U CN 212255062 U CN212255062 U CN 212255062U CN 202021536481 U CN202021536481 U CN 202021536481U CN 212255062 U CN212255062 U CN 212255062U
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Abstract
The utility model discloses an infrared carbon-hydrogen instrument of instant detection formula belongs to hydrocarbon assay equipment for hydrocarbon detection, and it includes sample input device, and sample input device is connected with oxygen supply device and sectional type heating furnace, the sectional type heating furnace includes heating furnace and fever stove, and the heating furnace is used for accepting the sample and produces gas with the sample burning, the fever stove is used for converting the gas that the sample burning produced; the exhaust port of the sectional type heating furnace is connected with a combustion gas purification device, the gas outlet of the combustion gas purification device is communicated with a gas flow control device, an H2O infrared monitor and a CO2 infrared monitor, and the outlet of the CO2 infrared monitor is communicated with a tail gas discharge device; the H2O infrared monitor and the CO2 infrared monitor are both positioned in the incubator. In view of the above technical scheme, it can effectively shorten detection time, has prolonged the equipment maintenance cycle, has improved the precision of testing result.
Description
Technical Field
The utility model belongs to the measuring equipment of hydrocarbon content, specifically speaking especially relates to an infrared hydrocarbon appearance of instantaneous detection formula.
Background
The existing infrared hydrogen measuring instrument adopts a heating furnace for heating, so that a sample is combusted and decomposed in an oxygen environment, combusted gas is collected by a gas mixing cylinder, after the collection is completed and stabilized for a period of time, the gas after the combustion is compressed and discharged by the gas mixing cylinder, and an infrared pool is used for detection.
However, the mixing cylinder used in the above-mentioned apparatus has a problem of easy contamination, which can cause unsmooth up-and-down movement of the piston, resulting in abnormal filling of the mixing cylinder; secondly, the time required by the gas filling process, the gas exhausting process and the gas balancing process in the gas mixing cylinder is longer, so that the sample detection time is prolonged; thirdly, the deviation of the filling gas pressure of the gas mixing cylinder causes different gas volumes, thereby causing the deviation of the detection result; fourthly, the uniformity of the gas in the mixing cylinder influences the precision of the detection result.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an infrared carbon-hydrogen appearance of instantaneous detection formula, it is through the improvement to heating furnace and follow-up structure, realizes the CO in the gas after the instantaneous detection burning2、H2And the content of the element to be detected is calculated after the analysis time is integrated, so that the detection time is effectively shortened, the equipment maintenance period is prolonged, and the precision of the detection result is improved.
In order to achieve the purpose, the utility model is realized by the following technical proposal:
the utility model discloses an infrared carbon hydrogen appearance of instant detection formula, including sample feeding device and oxygen supply apparatus, the oxygen supply apparatus is connected with sample feeding device, sectional type heating furnace respectively, the sectional type heating furnace includes heating furnace and fever stove, the heating furnace is used for accepting the sample and produces gas with the sample burning, the fever stove of separating is used for converting the gas that the sample burning produced; the exhaust port of the sectional type heating furnace is connected with a combustion gas purification device, the gas outlet of the combustion gas purification device is communicated with a gas flow control device, an H2O infrared monitor and a CO2 infrared monitor, and the outlet of the CO2 infrared monitor is communicated with a tail gas discharge device; the H2O infrared monitor and the CO2 infrared monitor are both positioned in the incubator.
Furthermore, the utility model discloses in the heating furnace of sectional type heating furnace in placed the porous high temperature resistant crucible that is used for accepting the material, porous high temperature resistant crucible is located the quartz capsule.
Furthermore, the sectional heating furnace of the utility model is filled with reaction reagents.
Furthermore, the utility model discloses in combustion gas purification device be dust filter.
Furthermore, the temperature in the constant temperature box in the utility model is 50 ℃.
Further, the utility model discloses in gas flow control device include the vacuum pump, the vacuum pump has differential flowmeter through the pipeline series connection, differential flowmeter is located the thermostated container.
Furthermore, the temperature of the heating furnace in the sectional heating furnace is 950 ℃, and the temperature of the de-heating furnace is 850 ℃.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses an adopt infrared pond to detect the CO in the gas after burning immediately2、H2And the content of the element to be detected is calculated after the analysis time is integrated, so that the detection time is effectively shortened, the equipment maintenance period is prolonged, and the precision of the detection result is improved.
Drawings
Fig. 1 is a schematic block diagram of the present invention.
In the figure: 1. an oxygen supply device; 2. a sample delivery device; 3. a sectional heating furnace; 4. a combustion gas purification device; 5. a vacuum pump; 6. a differential pressure type flow meter; 7. an H2O infrared detector; 8. a CO2 infrared detector; 9. a tail gas discharge device; 10. an incubator.
Detailed Description
The technical solution of the present invention will be further described and illustrated with reference to the following examples. It should be noted that the following paragraphs may refer to terms of orientation, including but not limited to "upper, lower, left, right, front, rear" and the like, which are all oriented to correspond to the visual orientations shown in the drawings of the specification, and should not be construed as limiting the scope or technical aspects of the present invention, but merely as providing those skilled in the art with a better understanding of the technical aspects of the present invention.
In the description of the present specification, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Example 1
An instant detection type infrared hydrocarbon instrument comprises a sample feeding device 2 and an oxygen supply device 1, wherein the oxygen supply device 1 is respectively connected with the sample feeding device 2 and a sectional heating furnace 3 through a pipeline and a valve, the sectional heating furnace 3 comprises a heating furnace and a heat-relieving furnace, the heating furnace is used for receiving a sample and combusting the sample to generate gas, and the heat-relieving furnace is used for converting the gas generated by the combustion of the sample; the exhaust port of the sectional type heating furnace 3 is connected with a combustion gas purification device 4, the gas outlet of the combustion gas purification device 4 is communicated with a gas flow control device, an H2O infrared monitor 7 and a CO2 infrared monitor 8, and the outlet of the CO2 infrared monitor 8 is communicated with a tail gas discharge device 9; the H2O infrared monitor 7 and the CO2 infrared monitor 8 are both positioned in the incubator 10.
Example 2
An instant detection type infrared hydrocarbon instrument, wherein the sample feeding device 2 at least comprises a sample disc, a sample dropping slide block and an oxygen purging pipe, the oxygen purging pipe is communicated with an oxygen supply device 1, the oxygen purging pipe is positioned above the sample disc, and the sample dropping slide block is positioned at an outlet of the sample disc; a porous high-temperature-resistant crucible for receiving materials is arranged in the heating furnace of the sectional type heating furnace 3, and the porous high-temperature-resistant crucible is positioned in a quartz tube; a reaction reagent is filled in the antipyretic furnace of the sectional heating furnace 3; the combustion gas purification device 4 is a dust filter; the temperature in the incubator 10 is 50 ℃; the gas flow control device comprises a vacuum pump 5, the vacuum pump 5 is connected with a differential pressure type flowmeter 6 in series through a pipeline, and the differential pressure type flowmeter 6 is positioned in a constant temperature box 10; the temperature of the heating furnace in the sectional type heating furnace 3 is 950 ℃, and the temperature of the heat-releasing furnace is 850 ℃. The structure and connection relationship of the rest parts are the same as those described in any of the foregoing embodiments, and are not described herein again to avoid the tedious text.
On the basis of the above embodiments, the present invention proceeds with detailed descriptions of technical features and functions thereof, so as to help those skilled in the art fully understand the technical solution of the present invention and reproduce it.
As shown in fig. 1, in the present invention, the oxygen supply device 1 includes an oxygen generating device or a gas tank, and may be provided with an adjustable gas flow meter and a solenoid valve to realize flow measurement and on-off during the oxygen supply process, thereby ensuring stable and sufficient supply of oxygen.
The utility model discloses in, the sample put in device 2 the same with current infrared hydrogen measuring instrument's structure, its effect lies in sending into sectional type heating furnace 3 with the sample that waits to detect, infrared hydrogen measuring instrument among the prior art should be at least by the sample dish of accepting the sample, the appearance slider that falls, oxygen sweeps the pipe and constitutes, the sample dish rotates the back, the sample falls into the appearance slider that falls, sweeps the deaerate back by oxygen sweep pipe, the appearance slider that falls is opened, falls into the sample and decomposes the burning in sectional type heating furnace 3.
The utility model discloses in, sectional type heating furnace 3 comprises two sections columniform furnace bodies, and first section furnace body is the heating furnace, and its controllable temperature is 950 ℃, and its inside quartz capsule of having placed has placed porous high temperature resistant crucible in the quartz capsule for accept the sample that falls into in the above-mentioned paragraph and carry out the burning decomposition. The gas generated after the combustion and decomposition of the sample enters a second stage of the heat-release furnace, the temperature of the heat-release furnace is 850 ℃, calcium oxide or magnesium oxide is filled in the heat-release furnace to react with the combusted gas, and C, H elements in the sample are all converted into CO2、H2And O, removing sulfur oxides, nitrogen oxides and halides to obtain pure gas to be detected.
In the present invention, the combustion gas purification apparatus 4 employs a dust filter for removing dust in the combustion gas to reduce the influence of dust on the subsequent detection process.
The utility model discloses in, gas flow control device constitute by vacuum pump 5 and differential flowmeter 6, the air current through combustion gas purifier 4 enters into H behind vacuum pump 5, differential flowmeter 6 in proper order2The O infrared detector 7, the vacuum pump 5 and the differential pressure type flowmeter 6 can feed the gas flow into the H with a stable flow rate2O infrared detector 7.
In the utility model, H2O infrared detector 7, CO2The infrared detectors 8 are respectively only for H2O、CO2The concentration is sensitive, the infrared detector generally comprises a light source emitting end, a hollow gold-plated tube and a detection end, when gas to be detected flows through the hollow gold-plated tube corresponding to the infrared detector, a signal received by the detection end changes, detection is started immediately, and after the detection signal is integrated along with time, the content of an element to be detected is calculated.
To ensure the stability of the experimental tests, H2O infrared detector 7, CO2The infrared detector 8 and the differential pressure type flowmeter 6 are placed in the incubator 10, and the temperature in the incubator 10 is kept constant at 50 ℃.
When the detection is completed, CO2The gas outlet of the infrared detector 8 can be connected with a tail gas discharge device 9The tail gas discharge device 9 can be a conical bottle with a plug, a tail gas inlet and CO2The infrared detector 8 is communicated, an outlet of the tail gas inlet positioned in the conical flask is communicated with an aeration head, and a tail gas outlet communicated with the conical flask and the outside is arranged on the plug. The absorption liquid is placed in the conical flask, and the aeration head is positioned in the absorption liquid. The absorption liquid is alkaline liquid, and can absorb a small amount of nitrogen oxides, sulfur oxides and the like contained in the tail gas so as to avoid pollution of the tail gas to air.
Finally, although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description of the present description is for clarity reasons only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims (7)
1. The utility model provides an infrared hydrocarbon appearance of instantaneous detection formula, includes that sample puts in device (2) and oxygen supply device (1), oxygen supply device (1) are connected its characterized in that with sample input device (2), sectional type heating furnace (3) respectively: the sectional type heating furnace (3) comprises a heating furnace and a heat-releasing furnace, the heating furnace is used for receiving the sample and combusting the sample to generate gas, and the heat-releasing furnace is used for converting the gas generated by the combustion of the sample; the exhaust port of the sectional type heating furnace (3) is connected with a combustion gas purification device (4), and the gas outlet of the combustion gas purification device (4) is communicated with a gas flow control device and an H2O infrared monitor (7), CO2Infrared monitor (8), CO2An outlet of the infrared monitor (8) is communicated with a tail gas discharge device (9); said H2O infrared monitor (7), CO2The infrared monitors (8) are all positioned in the constant temperature box (10).
2. The infrared hydrocarbon meter of claim 1, wherein: and a porous high-temperature-resistant crucible for receiving materials is arranged in the heating furnace of the sectional type heating furnace (3), and the porous high-temperature-resistant crucible is positioned in the quartz tube.
3. The infrared hydrocarbon meter of claim 2, wherein: and a reaction reagent is filled in the antipyretic furnace of the sectional heating furnace (3).
4. The infrared hydrocarbon meter of claim 1, wherein: the combustion gas purification device (4) is a dust filter.
5. The infrared hydrocarbon meter of claim 1, wherein: the temperature in the incubator (10) is 50 ℃.
6. The infrared hydrocarbon meter of claim 1, wherein: the gas flow control device comprises a vacuum pump (5), the vacuum pump (5) is connected with a differential pressure type flowmeter (6) in series through a pipeline, and the differential pressure type flowmeter (6) is positioned in a constant temperature box (10).
7. The infrared hydrocarbon meter of claim 1, wherein: the temperature of the heating furnace in the sectional type heating furnace (3) is 950 ℃, and the temperature of the de-heating furnace is 850 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021536481.5U CN212255062U (en) | 2020-07-29 | 2020-07-29 | Instant detection type infrared hydrocarbon instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021536481.5U CN212255062U (en) | 2020-07-29 | 2020-07-29 | Instant detection type infrared hydrocarbon instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212255062U true CN212255062U (en) | 2020-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021536481.5U Expired - Fee Related CN212255062U (en) | 2020-07-29 | 2020-07-29 | Instant detection type infrared hydrocarbon instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212255062U (en) |
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2020
- 2020-07-29 CN CN202021536481.5U patent/CN212255062U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201229 Termination date: 20210729 |