CN219201492U - Online detection device for catalyst concentration in brominated SBS synthesis process - Google Patents
Online detection device for catalyst concentration in brominated SBS synthesis process Download PDFInfo
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- CN219201492U CN219201492U CN202320173703.9U CN202320173703U CN219201492U CN 219201492 U CN219201492 U CN 219201492U CN 202320173703 U CN202320173703 U CN 202320173703U CN 219201492 U CN219201492 U CN 219201492U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P20/584—Recycling of catalysts
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Abstract
The utility model discloses an online detection device for catalyst concentration in a brominated SBS synthesis process, which relates to the technical field of catalyst concentration detection devices, wherein a liquid inlet of an online ion chromatograph is communicated with a mixer through a pipeline, an inlet of the mixer is respectively communicated with liquid outlets of a sampler and a debrominating agent intermediate tank through a pipeline, and the liquid inlet of the sampler is communicated with a catalyst temporary storage tank or a discharge pipeline of the catalyst temporary storage tank through a pipeline. The catalyst to be detected is transferred to the mixer through the sampler, and the debrominating agent is added to the mixer, so that the catalyst containing bromine enters the online ion chromatograph to detect the concentration of the catalyst after debromination, the accuracy of the detection result is high, meanwhile, the online detection and the rapid detection are realized, the detection time is saved, and the operation steps are simplified.
Description
Technical Field
The utility model relates to the technical field of catalyst concentration detection devices, in particular to an online detection device for catalyst concentration in a brominated SBS synthesis process.
Background
In the bromination SBS synthesis process, organic materials in the bromination process can be recycled by washing with water, and the recycled catalyst can be reused, so that the cost is reduced, and the difficulty of subsequent treatment and the pollution to the environment are greatly reduced. The recovered aqueous catalyst solution is used for detecting the catalyst concentration so as to control the addition amount of the catalyst. At present, a rapid moisture meter and an ion chromatography are mostly adopted for detecting the concentration of the catalyst. However, the rapid moisture meter has slow detection time and cannot perform online detection, and the ion chromatography does not have proper materials, so that the bromine-containing catalyst aqueous solution cannot be directly detected, and the online detection is more difficult to realize.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: aiming at the defects existing in the prior art, the online detection device for the catalyst concentration in the brominated SBS synthesis process is provided, has high detection speed, can realize online detection, and is convenient to use.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the utility model provides an on-line measuring device of catalyst concentration in bromination SBS synthetic process, includes on-line ion chromatograph, there is the blender in on-line ion chromatograph's inlet through the pipeline intercommunication, the entry of blender is respectively through the liquid outlet of pipeline intercommunication to sampler and debrominating agent intermediate tank, the inlet of sampler communicates to the catalyst temporary storage jar or the discharge pipeline of catalyst temporary storage jar.
As an improved technical scheme, the mixer is provided with a first inlet communicated with the sampler and a second inlet communicated with the debrominating agent intermediate tank, and the bottom of the mixer is provided with an outlet with gradually reduced size.
As an improved technical scheme, the mixer is provided with a baffle above the outlet, the baffle is provided with a plurality of first bulges and second bulges which are opposite in direction, the first bulges and the second bulges are arranged at intervals, a plurality of first bulges are communicated with the first inlet, and a plurality of second bulges are communicated with the second inlet.
As an improved technical scheme, a first flowmeter and a first automatic regulating valve are arranged between the sampler and the mixer, and the first flowmeter and the first automatic regulating valve are interlocked to a control system.
As an improved technical scheme, a second flowmeter and a second automatic regulating valve are arranged between the debrominating agent intermediate tank and the mixer, and the second flowmeter and the second automatic regulating valve are interlocked to a control system.
As an improved technical scheme, a debrominating agent storage tank is connected to the debrominating agent intermediate tank through a pipeline, an automatic switching valve is arranged between the debrominating agent intermediate tank and the debrominating agent storage tank, a liquid level sensor is arranged on the debrominating agent intermediate tank, and the automatic switching valve and the liquid level sensor are interlocked to a control system.
As an improved technical scheme, a discharging pipeline at the bottom of the mixer is provided with a purge valve.
Due to the adoption of the technical scheme, the utility model has the beneficial effects that:
the utility model discloses an online detection device for catalyst concentration in a brominated SBS synthesis process, which comprises an online ion chromatograph, wherein a liquid inlet of the online ion chromatograph is communicated with a mixer through a pipeline, an inlet of the mixer is respectively communicated with liquid outlets of a sampler and a debrominating agent intermediate tank through a pipeline, and the liquid inlet of the sampler is communicated with a catalyst temporary storage tank or a discharge pipeline of the catalyst temporary storage tank. The catalyst to be detected is transferred to the mixer through the sampler, and the debrominating agent is added to the mixer, so that the catalyst containing bromine enters the online ion chromatograph to detect the concentration of the catalyst after debromination, the accuracy of the detection result is high, meanwhile, the online detection and the rapid detection are realized, the detection time is saved, and the operation steps are simplified.
The mixer is provided with a first inlet communicated with the sampler and a second inlet communicated with the debrominating agent intermediate tank, and the bottom of the mixer is provided with an outlet with gradually reduced size. The two inlets enable the material to be added more smoothly, meanwhile, accurate control of feeding flow is facilitated, catalyst liquid and a debrominating agent enter the mixer through the first inlet and the second inlet respectively, mixing is achieved in the mixer, and finally the catalyst liquid and the debrominating agent are transferred to an online ion chromatograph through the outlet which is gradually reduced for detection, so that the detection effect is more accurate.
The mixer is provided with a baffle above the outlet, the baffle is provided with a plurality of first bulges and second bulges which are opposite in direction, the first bulges and the second bulges are arranged at intervals, the first bulges are communicated with the first inlet, and the second bulges are communicated with the second inlet. Catalyst liquid gets into first arch, and the debrominating agent gets into the second arch, and the first arch and the second arch of interval setting have realized the staggered mixing of catalyst and debrominating agent, have strengthened the mixing effect, and bromine desorption effect is better, and the testing result accuracy of final catalyst concentration is high.
A first flowmeter and a first automatic regulating valve are arranged between the sampler and the mixer, and the first flowmeter and the first automatic regulating valve are interlocked to a control system. The control system can control the opening and the switch of the first automatic regulating valve according to the numerical value displayed by the first flowmeter, and control the amount of the catalyst added into the mixer to be in a certain range.
A second flowmeter and a second automatic regulating valve are arranged between the debrominating agent intermediate tank and the mixer, and the second flowmeter and the second automatic regulating valve are interlocked to a control system. The control system can control the opening and the switch of the second automatic regulating valve according to the numerical value displayed by the second flowmeter, and control the adding amount of the debrominating agent into the mixer so as to adapt to the adding amount of the catalyst.
The bromine removing agent intermediate tank is connected with a bromine removing agent storage tank through a pipeline, an automatic switching valve is arranged between the bromine removing agent intermediate tank and the bromine removing agent storage tank, the bromine removing agent intermediate tank is provided with a liquid level sensor, and the automatic switching valve and the liquid level sensor are interlocked to a control system. The control system can control the automatic switch valve according to the display value of the liquid level sensor so as to supplement liquid from the debrominating agent storage tank to the debrominating agent intermediate tank.
The bottom discharge pipeline of the mixer is provided with a drain valve, and liquid in the mixer is drained through the drain valve, so that the remained liquid is prevented from influencing the subsequent detection result.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a perspective view of the mixer of FIG. 1;
FIG. 3 is a cross-sectional view of the mixer of FIG. 1;
FIG. 4 is a cross-sectional view of the mixer of FIG. 1 in another direction;
wherein: 1. an online ion chromatograph; 2. a mixer; 3. a sampler; 4. a debrominating agent intermediate tank; 5. a catalyst temporary storage tank; 6. a first inlet; 7. a second inlet; 8. an outlet; 9. a partition plate; 10. a first protrusion; 11. a second protrusion; 12. a first flowmeter; 13. a first automatic regulating valve; 14. a second flowmeter; 15. a second automatic regulating valve; 16. a debrominating agent storage tank; 17. automatically opening and closing a valve; 18. a liquid level sensor; 19. and (5) a purge valve.
Detailed Description
The utility model is further illustrated in the following, in conjunction with the accompanying drawings and examples.
As shown in fig. 1-4, an online detection device for catalyst concentration in a brominated SBS synthesis process comprises an online ion chromatograph 1, wherein the model of the online ion chromatograph 1 in this embodiment is 2060, a liquid inlet of the online ion chromatograph 1 is communicated with a mixer 2 through a pipeline, an inlet of the mixer 2 is respectively communicated with liquid outlets of a sampler 3 and a debrominating agent intermediate tank 4 through pipelines, and a liquid inlet of the sampler 3 is communicated with a catalyst temporary storage tank 5 or a discharge pipeline of the catalyst temporary storage tank 5 through a pipeline, so that the sampling position selectivity is high. The catalyst to be detected is transferred to the mixer 2 through the sampler 3, and the bromine-containing catalyst enters the online ion chromatograph 1 to detect the concentration of the catalyst after debromination through adding the debrominating agent to the mixer 2, so that the accuracy of the detection result is high, meanwhile, the online detection and the rapid detection are realized, the detection time is saved, the operation steps are simplified, and the sampler 3 in the embodiment is selected from an automatic reactor sampling system MOL-P type sold by the Mr chemical equipment limited company in Jinjiang city and provided with a pump.
The mixer 2 is provided with a first inlet 6 communicated with the sampler 3 and a second inlet 7 communicated with the debrominating agent intermediate tank 4, and the bottom of the mixer 2 is provided with an outlet 8 with gradually reduced size. The two inlets enable the material to be added more smoothly, meanwhile, accurate control of feeding flow is facilitated, catalyst liquid and a debrominating agent enter the mixer 2 through the first inlet 6 and the second inlet 7 respectively, mixing is achieved in the mixer 2, and finally, the catalyst liquid and the debrominating agent are transferred to the online ion chromatograph 1 through the outlet 8 which is gradually reduced for detection, so that the detection effect is more accurate.
The mixer 2 is provided with a baffle 9 above the outlet 8, the baffle 9 is provided with a plurality of first bulges 10 and second bulges 11 with opposite directions, the first bulges 10 and the second bulges 11 are arranged at intervals, the first bulges 10 are communicated with the first inlet 6, the second bulges 11 are communicated with the second inlet 7, the upper parts of two parallel ends of the outlet 8 are respectively connected with the top ends of the first bulges 10 and the second bulges 11, so that liquid of the first inlet 6 can enter from the first bulges 10 and fall between the two parallel ends of the outlet 8, liquid of the second inlet 7 can enter from the second bulges 11 and fall between the two parallel ends of the outlet 8, but the liquid of the first inlet 6 cannot enter the second bulges 11, and the liquid of the second inlet 7 cannot enter the first bulges 10. Catalyst liquid gets into first protruding 10, and the debrominating agent gets into second protruding 11, and the staggered mixing of catalyst and debrominating agent has been realized to first protruding 10 and the second protruding 11 of interval setting, has strengthened mixing effect, and bromine desorption effect is better, and the testing result accuracy of final catalyst concentration is high.
A first flowmeter 12 and a first self-regulating valve 13 are arranged between the sampler 3 and the mixer 2, the first flowmeter 12 and the first self-regulating valve 13 being interlocked to a control system. The control system can control the opening and the switch of the first automatic regulating valve 13 according to the value displayed by the first flowmeter 12, and control the amount of the catalyst added into the mixer 2 to be in a certain range.
A second flowmeter 14 and a second self-regulating valve 15 are arranged between the debrominating agent intermediate tank 4 and the mixer 2, the second flowmeter 14 and the second self-regulating valve 15 being interlocked to a control system. The control system can control the opening and the switch of the second automatic regulating valve 15 according to the value displayed by the second flowmeter 14, and control the adding amount of the debrominating agent into the mixer 2 so as to adapt to the adding amount of the catalyst.
The bromine removing agent intermediate tank 4 is connected with a bromine removing agent storage tank 16 through a pipeline, an automatic switching valve 17 is arranged between the bromine removing agent intermediate tank 4 and the bromine removing agent storage tank 16, the bromine removing agent intermediate tank 4 is provided with a liquid level sensor 18, and the automatic switching valve 17 and the liquid level sensor 18 are interlocked to a control system. The control system can control the automatic switching valve 17 according to the display value of the liquid level sensor 18 so as to supplement liquid from the debrominating agent storage tank 16 to the debrominating agent intermediate tank 4.
The bottom discharge pipeline of the mixer 2 is provided with a drain valve 19, and liquid in the mixer 2 is drained through the drain valve 19 so as to avoid the influence of the remained liquid on the subsequent detection result.
It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present utility model, and such equivalents are intended to fall within the scope of the claims appended hereto.
Claims (5)
1. The utility model provides an on-line measuring device of catalyst concentration in bromination SBS synthetic process, includes online ion chromatograph, its characterized in that: the liquid inlet of the online ion chromatograph is communicated with a mixer through a pipeline, the inlet of the mixer is respectively communicated with the liquid outlets of the sampler and the debrominating agent intermediate tank through pipelines, and the liquid inlet of the sampler is communicated with the catalyst temporary storage tank or the discharging pipeline of the catalyst temporary storage tank;
the mixer is provided with a first inlet communicated with the sampler and a second inlet communicated with the debrominating agent intermediate tank, and the bottom of the mixer is provided with an outlet with gradually reduced size;
the mixer is provided with a baffle above the outlet, the baffle is provided with a plurality of first bulges and second bulges which are opposite in direction, the first bulges and the second bulges are arranged at intervals, the first bulges are communicated with the first inlet, and the second bulges are communicated with the second inlet.
2. The on-line detection device for catalyst concentration in a brominated SBS synthesis process according to claim 1, wherein: a first flowmeter and a first automatic regulating valve are arranged between the sampler and the mixer, and the first flowmeter and the first automatic regulating valve are interlocked to a control system.
3. The on-line detection device for catalyst concentration in a brominated SBS synthesis process according to claim 1, wherein: a second flowmeter and a second automatic regulating valve are arranged between the debrominating agent intermediate tank and the mixer, and the second flowmeter and the second automatic regulating valve are interlocked to a control system.
4. The on-line detection device for catalyst concentration in a brominated SBS synthesis process according to claim 1, wherein: the bromine removing agent intermediate tank is connected with a bromine removing agent storage tank through a pipeline, an automatic switching valve is arranged between the bromine removing agent intermediate tank and the bromine removing agent storage tank, the bromine removing agent intermediate tank is provided with a liquid level sensor, and the automatic switching valve and the liquid level sensor are interlocked to a control system.
5. The on-line detection device for catalyst concentration in a brominated SBS synthesis process according to claim 1, wherein: the bottom discharge pipeline of the mixer is provided with a purge valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320173703.9U CN219201492U (en) | 2023-02-04 | 2023-02-04 | Online detection device for catalyst concentration in brominated SBS synthesis process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320173703.9U CN219201492U (en) | 2023-02-04 | 2023-02-04 | Online detection device for catalyst concentration in brominated SBS synthesis process |
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| CN219201492U true CN219201492U (en) | 2023-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320173703.9U Active CN219201492U (en) | 2023-02-04 | 2023-02-04 | Online detection device for catalyst concentration in brominated SBS synthesis process |
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- 2023-02-04 CN CN202320173703.9U patent/CN219201492U/en active Active
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