CN216870470U - Device for measuring content of organic matters in byproduct hydrogen chloride gas - Google Patents
Device for measuring content of organic matters in byproduct hydrogen chloride gas Download PDFInfo
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- CN216870470U CN216870470U CN202220241365.3U CN202220241365U CN216870470U CN 216870470 U CN216870470 U CN 216870470U CN 202220241365 U CN202220241365 U CN 202220241365U CN 216870470 U CN216870470 U CN 216870470U
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Abstract
The utility model discloses a device for measuring the content of organic matters in a byproduct hydrogen chloride gas, which solves the problems of large numerical value fluctuation and no practical guiding significance in the prior art of analyzing the content of the organic matters in the hydrochloric acid, and has the beneficial effect of directly and effectively measuring the content of the organic matters in the byproduct hydrogen chloride gas, and the specific scheme is as follows: the utility model provides a survey device of organic matter content in byproduct hydrogen chloride gas, includes a porous glass board absorption bottle and three porous gas wash bottle, and porous glass board absorption bottle and first porous gas wash bottle, second porous gas wash bottle, third porous gas wash bottle loop through the connecting tube and connect, contain cyclohexane in the porous glass board absorption bottle to set up the breather pipe in order to let in hydrogen chloride gas, contain distilled water in second porous gas wash bottle and the third porous gas wash bottle, the third porous gas wash bottle still is equipped with the outlet duct in order to exhaust gas, porous glass board absorption bottle and two at least porous gas wash bottles are placed on weighing device.
Description
Technical Field
The utility model relates to the technical field of micro-measurement, in particular to a device for measuring the content of organic matters in a byproduct hydrogen chloride gas.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
When the byproduct hydrogen chloride gas of the organic reaction enters a downstream production system, the process index control, equipment operation and product quality of the downstream production system are greatly influenced by the excessively high content of organic matters, the detection and maintenance are inconvenient due to the more organic matters precipitated in a fan and a pipeline, the downstream production system generates more dangerous waste materials in the hydrogen chloride drying and purifying process, the disposal cost is higher, and the field environment is difficult to treat.
The inventor finds that when the byproduct hydrochloric acid is produced by using the hydrogen chloride gas as the byproduct in the organic reaction, the organic content of the byproduct hydrochloric acid is high, the sale and the use of customers are influenced, the sampling and the prepared sample are not representative because the byproduct hydrochloric acid is not miscible with the hydrochloric acid, the content of the organic matter carried by the sample is difficult to analyze, and the currently general inspection method is to firstly absorb the hydrochloric acid with a certain concentration by using the hydrogen chloride gas and then analyze the content of the organic matter in the hydrochloric acid, so that the numerical value fluctuation is large, and the practical guiding significance is not provided.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide the device for measuring the content of the organic matters in the byproduct hydrogen chloride gas, which has a simple structure, is simple, convenient and easy to use, and can effectively measure the content of the organic matters in the byproduct hydrogen chloride gas.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
the utility model provides a survey device of organic matter content in byproduct hydrogen chloride gas, includes a porous glass board absorption bottle and three porous gas wash bottle, and porous glass board absorption bottle and first porous gas wash bottle, second porous gas wash bottle, third porous gas wash bottle loop through the connecting tube and connect, contain cyclohexane in the porous glass board absorption bottle to set up the breather pipe in order to let in hydrogen chloride gas, contain distilled water in second porous gas wash bottle and the third porous gas wash bottle, the third porous gas wash bottle still is equipped with the blast pipe in order to exhaust gas, porous glass board absorption bottle and two at least porous gas wash bottles are placed on weighing device.
The measuring device comprises a gas buffer bottle, a second porous gas washing bottle, a third porous gas washing bottle, a second porous gas washing bottle, a third porous gas washing bottle, a fourth porous gas washing bottle, a fifth porous gas washing bottle and a fifth porous gas buffer bottle.
In the device for measuring the content of the organic matters in the byproduct hydrogen chloride gas, the first porous gas washing bottle connected with the porous glass plate absorption bottle is a gas buffer bottle.
According to the device for measuring the content of the organic matters in the byproduct hydrogen chloride gas, the water stop clamp is arranged on the vent pipe on the porous glass plate absorption bottle.
The arrangement of the water stop clamp is characterized in that the water stop clamp is arranged on the vent pipe on the porous glass plate absorption bottle, so that the gas flow rate can be better controlled, and the measuring effect of the measuring device is ensured
In the apparatus for measuring the content of organic matters in the byproduct hydrogen chloride gas, the second porous gas washing bottle and the third porous gas washing bottle are placed in a cold water bath container.
In the above apparatus for measuring the content of organic substances in the byproduct hydrogen chloride gas, the second porous gas washing bottle, the third porous gas washing bottle and the cold water bath container are respectively placed on the weighing device.
According to the device for measuring the content of the organic matters in the byproduct hydrogen chloride gas, the cold water bath container is connected with the temperature control unit so that the distilled water can better absorb the acidic hydrogen chloride gas, and the cold water bath container is connected with the temperature control unit so that the temperature in the cold water bath container can be better controlled.
The device for measuring the content of the organic matters in the byproduct hydrogen chloride gas is characterized in that the weighing device is a tray balance or a physical balance.
According to the device for measuring the content of the organic matters in the byproduct hydrogen chloride gas, the connecting pipeline is a latex tube and is used as an air inlet pipe and/or an air outlet pipe.
According to the device for measuring the content of the organic matters in the byproduct hydrogen chloride gas, when the connecting pipeline is used for air inlet, the connecting pipeline is arranged at the bottom of the porous gas washing bottle, the vent pipe is arranged at the bottom of the porous glass plate absorption bottle, and when the connecting pipeline is used for air outlet, the connecting pipeline is arranged at the tops of the porous glass plate absorption bottle and the porous gas washing bottle.
According to the device for measuring the content of the organic matters in the byproduct hydrogen chloride gas, the porous gas absorption bottle is further provided with a second vent pipe for introducing dry air.
The beneficial effects of the utility model are as follows:
1) the measuring device firstly absorbs organic matters from hydrogen chloride gas through cyclohexane, the absorbed hydrogen chloride gas enters a gas buffer bottle for buffering, then the hydrogen chloride gas is absorbed in distilled water in a second porous gas washing bottle and a third porous gas washing bottle, chromatographic analysis and detection are carried out after cyclohexane absorption, the weight of the absorbed organic matters is calculated, the two stages of the absorption bottles containing the distilled water are weighed before and after absorption, the weight of the absorbed hydrogen chloride is calculated, and then the proportion of the organic matters in the hydrogen chloride is calculated.
2) According to the utility model, the second porous gas washing bottle and the third porous gas washing bottle are placed in the cold water bath container, so that the distilled water can better absorb acidic hydrogen chloride gas, and the cold water bath container is connected with the temperature control unit, so that the temperature in the cold water bath container can be better controlled.
3) The utility model can better control the gas flow rate and ensure the measuring effect of the measuring device by arranging the water stop clamp on the vent pipe on the porous glass plate absorption bottle.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are included to illustrate an exemplary embodiment of the utility model and not to limit the utility model.
Fig. 1 is a schematic overall configuration diagram of an apparatus for determining an organic content in a byproduct hydrogen chloride gas according to one or more embodiments of the present invention.
In the figure: the spacing or dimensions between each other are exaggerated to show the location of the various parts, and the schematic is shown only schematically.
Wherein: 1. the device comprises a porous glass plate absorption bottle, 2. a first porous gas washing bottle, 3. a second porous gas washing bottle, 4. a third porous gas washing bottle, 5. a water stop clamp, 6. a connecting pipeline, 7. a vent pipe, 8. an exhaust pipe, A. cyclohexane and B. distilled water.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the utility model as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the utility model. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
as introduced in the background art, hydrochloric acid with a certain concentration is absorbed by hydrogen chloride gas in the prior art, and then the content of organic matters in the hydrochloric acid is analyzed, so that the problem that the numerical value fluctuation is large and the practical guiding significance is not provided is solved.
Example one
In a typical embodiment of the present invention, referring to fig. 1, a device for measuring the content of organic matters in a byproduct hydrogen chloride gas comprises a porous glass plate absorption bottle 1, a first porous gas washing bottle 2, a second porous gas washing bottle 3, and a third porous gas washing bottle 4, wherein the porous glass plate absorption bottle 1, the first porous gas washing bottle 2, the second porous gas washing bottle 3, and the third porous gas washing bottle 4 are connected in sequence through a connecting pipeline 6, a vent pipe 7 is further provided on the porous glass plate absorption bottle for introducing hydrogen chloride gas, a vent pipe 8 is further provided on the third porous gas washing bottle for exhausting gas, the porous glass plate absorption bottle is placed on a weighing device, the second porous gas washing bottle 3, and the third porous gas washing bottle 4 are placed on a cold water bath container and then are also placed on the weighing device, the porous gas absorption bottle is also provided with a second vent pipe for introducing dry air.
The cold water bath container is connected with the temperature control unit to keep the temperature of water in the cold water bath container at about 20 ℃ so that the distilled water can better absorb acidic hydrogen chloride gas.
The temperature control unit of this embodiment is prior art, as long as can realize the control of cold bath temperature, weighing device adopts the tray balance, in other examples, also can adopt physical balance or other weighing device, and connecting tube 6 is the emulsion tube, can regard as intake pipe and/or outlet duct, and the breather pipe 7 that sets up on the porous glass board absorption bottle and the blast pipe 8 that is equipped with on the third porous gas wash-bottle are the emulsion tube equally.
During the test, cyclohexane is contained in the porous glass plate absorption bottle, distilled water is contained in the second porous gas washing bottle and the third porous gas washing bottle, the capacities of the porous glass plate absorption bottle and the porous gas washing bottle are both 250ml, about 100ml of cyclohexane is contained in the porous glass plate absorption bottle, about 100ml of distilled water is contained in the second porous gas washing bottle and the third porous gas washing bottle, and no substance is added into the first porous gas washing bottle 2 and the porous gas washing bottle is used as a gas buffer bottle.
As shown in figure 1, a vent pipe 7 is further arranged on the porous glass plate absorption bottle to introduce hydrogen chloride gas, and a water stop clamp 5 is further arranged on the vent pipe, so that the gas flow rate can be better controlled, and the measuring effect of the measuring device is ensured.
One end of a vent pipe 7 is connected with a hydrogen chloride gas conveying device, the other end of the vent pipe is arranged at the bottom in the porous glass plate absorption bottle and extends into cyclohexane, when the connecting pipeline is used for gas inlet, the connecting pipeline is arranged at the bottom of the porous gas washing bottle, the connecting pipeline is positioned below the liquid level of distilled water in the second porous gas washing bottle and the third porous gas washing bottle, when the connecting pipeline is used for gas outlet, the connecting pipeline is arranged at the tops of the porous glass plate absorption bottle, the first porous gas washing bottle and the second porous gas washing bottle, and the vent pipe 8 is arranged at the top of the third porous gas washing bottle 4.
The specific working principle of this embodiment is as follows:
sucking 0.2 μ L cyclohexane, injecting into gas chromatography with fixed phase of 100% polydimethylsiloxane capillary chromatographic column, flame ionization detector and nitrogen as carrier gas, and determining cyclohexane and its impurity components as reference;
firstly, about 100ml of analytically pure cyclohexane is measured, and the mass m before and after the cyclohexane is added into a porous glass plate absorption bottle 1 is accurately weighed(Ring 0)And m(Ring 1)Adding about 100ml to the second porous gas wash bottle 3 and the third porous gas wash bottle 4Right distilled water, and accurately weighing mass m of the second porous gas washing bottle 3 and the third porous gas washing bottle 4 which are added with the distilled water and then placed in a cold water bath container(3)And m(4)Connecting according to the figure 1, opening and adjusting a water stop valve on a vent pipe 7, controlling the flow rate of the hydrogen chloride gas to realize the continuous bubbling of the gas in the porous glass plate absorption bottle and the porous gas washing bottle, and obtaining the mass sum m of the second porous gas washing bottle 3, the third porous gas washing bottle 4, the distilled water, the absorbed hydrogen chloride gas and the cold water bath container through a tray balance(3*)And m(4*)When tested for a period of time, m(3*)And m(4*)Mass sum of (1) is greater than m(3)And m(4)When the mass m of the porous glass plate absorption bottle 1 is about 40g, the cyclohexane in the porous glass plate absorption bottle 1 is blown to be neutral by using dry air through a second vent pipe, and the total mass m of the porous glass plate absorption bottle 1 is weighed(Ring 2)；
And (3) sucking 0.2 mu L of cyclohexane in the porous glass plate absorption bottle 1, injecting the cyclohexane into gas chromatography, reading a chromatogram, and determining the mass fraction w of the chromatographic analysis organic matter.
Calculating the content of organic matters in the hydrogen chloride gas to obtain:
in the formula:
m(Ring 0)The mass of the porous glass plate absorption bottle 1;
m(Ring 2)The total mass of the porous glass plate absorption bottle 1, the added cyclohexane and the absorbed organic matters;
m(3*)the sum of the mass of the second porous gas wash bottle 3 and the distilled water and the absorbed hydrogen chloride and the cold water bath container;
m(4*)the sum of the mass of the third porous gas wash bottle 4 and the distilled water and the absorbed hydrogen chloride and the cold water bath container;
m(3)the mass sum of the porous gas wash bottle 3 with distilled water and a cold water bath container;
m(4)mass sum of porous gas wash bottle 4 and distilled water and cold water bath container;
w-mass fraction of the chromatographic analysis organic matter.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a survey device of organic matter content in by-product hydrogen chloride gas, its characterized in that includes a porous glass board absorption bottle and three porous gas wash bottles, and porous glass board absorption bottle and first porous gas wash bottle, second porous gas wash bottle, third porous gas wash bottle loop through the connecting tube and connect, contain cyclohexane in the porous glass board absorption bottle to set up the breather pipe and in order to let in hydrogen chloride gas, contain distilled water in second porous gas wash bottle and the third porous gas wash bottle, third porous gas wash bottle still is equipped with the blast pipe with the exhaust gas, porous glass board absorption bottle and at least two porous gas wash bottles are placed on weighing device.
2. The apparatus for measuring the content of organic substances in a byproduct hydrogen chloride gas according to claim 1, wherein the first porous gas washing bottle connected to the porous glass plate absorption bottle is a gas buffer bottle.
3. The apparatus of claim 1, wherein a water stop clip is provided on the vent tube of the porous glass plate absorption bottle.
4. The apparatus according to claim 1, wherein the second porous gas wash bottle and the third porous gas wash bottle are placed in a cold water bath container.
5. The apparatus according to claim 4, wherein the second porous gas wash bottle, the third porous gas wash bottle, and the cold water bath container are respectively placed on a weighing device.
6. The apparatus for measuring the content of organic substances in a byproduct hydrogen chloride gas according to claim 5, wherein the cold water bath container is connected to a temperature control unit.
7. The apparatus for measuring the content of organic substances in by-product hydrogen chloride gas according to claim 6, wherein the weighing device is a tray balance or a physical balance.
8. The apparatus of claim 1, wherein the connecting conduit is a latex tube and is used as an inlet and/or outlet conduit.
9. The apparatus according to claim 8, wherein the connecting pipe is disposed at the bottom of the porous gas washing bottle when the gas is supplied, the vent pipe is disposed at the bottom of the porous glass plate absorption bottle, and the connecting pipe is disposed at the top of the porous glass plate absorption bottle and the porous gas washing bottle when the gas is discharged.
10. The apparatus for measuring the content of organic matters in the byproduct hydrogen chloride gas according to claim 1, wherein the porous glass plate absorption bottle is further provided with a second vent pipe for introducing dry air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220241365.3U CN216870470U (en) | 2022-01-28 | 2022-01-28 | Device for measuring content of organic matters in byproduct hydrogen chloride gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220241365.3U CN216870470U (en) | 2022-01-28 | 2022-01-28 | Device for measuring content of organic matters in byproduct hydrogen chloride gas |
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| CN216870470U true CN216870470U (en) | 2022-07-01 |
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| CN202220241365.3U Active CN216870470U (en) | 2022-01-28 | 2022-01-28 | Device for measuring content of organic matters in byproduct hydrogen chloride gas |
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