CN211121810U - Condenser leak detection subsystem and condenser system - Google Patents
Condenser leak detection subsystem and condenser system Download PDFInfo
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- CN211121810U CN211121810U CN201922215540.2U CN201922215540U CN211121810U CN 211121810 U CN211121810 U CN 211121810U CN 201922215540 U CN201922215540 U CN 201922215540U CN 211121810 U CN211121810 U CN 211121810U
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Abstract
The utility model relates to the technical field of gas leakage detection, and discloses a condenser leakage detection subsystem and a condenser system; the condenser leak detection subsystem is connected between the gas phase R22 outlet of the condenser body and the refrigeration system and comprises: sample tube, pH on-line measuring device and sampling device, the one end and the gaseous phase R22 exit linkage of sample tube, the other end is connected with sampling device, and pH on-line measuring device locates sampling device's inside. The condenser system includes a condenser body and the present condenser leak detection subsystem. The utility model discloses set up condenser leak hunting subsystem between condenser body and refrigerating system, adopt pH on-line measuring's detection method, sensitive reliable, investment cost is low, and degree of automation is high, can realize online continuous detection, can on-line measuring whether have strong corrosive gas corrosion condenser body of strong acid-base nature such as hydrogen fluoride, hydrogen chloride to enter into refrigerating system, avoided refrigerating system equipment to damage, and then lead to the problem that the system parkked.
Description
Technical Field
The utility model relates to a gaseous leak hunting technical field especially relates to a condenser leak hunting subsystem and condenser system.
Background
In the production process of difluorochloromethane (F22 or R22 for short), the condensers of the reaction reflux tower and the hydrogen chloride rectifying tower are easy to corrode and leak due to the strong corrosivity of process materials (hydrogen fluoride, hydrogen chloride and the like), and are mixed with R22 to enter a refrigeration system, so that the equipment of the refrigeration system is damaged, and the system is stopped.
Generally, the condenser body 1 of the prior art comprises (as shown in fig. 1): a gas-phase material inlet 101, a liquid-phase material outlet 102, a gas-phase material outlet 103, a liquid-phase R22 inlet 104 and a gas-phase R22 outlet 105 are arranged in the condenser body 1, heat exchange is carried out on the materials through R22, the liquid-phase R22 inlet 104 and the gas-phase R22 outlet 105 are respectively communicated with a refrigeration system, wherein the material side generally contains acidic gases with strong corrosivity, such as hydrogen fluoride, hydrogen chloride and the like, the liquid-phase R22 enters the condenser body 1 from the liquid-phase R22 inlet 104 through the refrigeration system, and the gas-phase R22 after phase change enters the refrigeration system from the gas-phase R22 outlet 105 through the condenser body 1. And the strong corrosive gas on the material side is easy to corrode the condenser body and is mixed with the R22 on the R22 side to enter the refrigerating system. In the prior art, a chromatographic analysis method is generally adopted, and samples are periodically taken for chromatographic analysis to check whether strong corrosive gases such as hydrogen fluoride and hydrogen chloride enter a refrigeration system, so that the method cannot realize on-line continuous analysis, the labor intensity of the analysis process is high, and the investment cost is high.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The embodiment of the utility model provides a condenser leak hunting subsystem and condenser system is provided to solve the unable online continuous detection that chromatographic analysis exists among the prior art, and the big and high technical problem of investment cost of labour cost.
(II) technical scheme
In order to solve the technical problem, the embodiment of the utility model provides a condenser leak hunting subsystem, condenser leak hunting subsystem connects between the export of the gaseous phase R22 of condenser body and refrigerating system, condenser leak hunting subsystem includes: advance appearance pipe, pH on-line measuring device and sampling device, advance the appearance pipe one end with gaseous phase R22 exit linkage, the other end with sampling device connects, pH on-line measuring device locates sampling device's inside.
Wherein, still include: the liquid level control device is arranged at the position of the water inlet pipe and controls the opening and the closing of the water inlet pipe.
Wherein, liquid level control device includes first liquid level control valve and first liquid level controller, first level gauge passes through first liquid level controller with first liquid level control valve is connected, first liquid level control valve is located the inlet tube.
Wherein, still include: and the sampling pipe is connected with one end of the sampling pipe and the other end of the sampling pipe is connected with a tail gas treatment system.
Wherein, still include: the sampling valve is arranged at the sampling pipe, and the sampling valve is arranged at the sampling pipe.
Wherein, still include: and the alarm device is connected with the pH on-line detection device.
The embodiment of the utility model provides a still disclose a condenser system, including the condenser body and if the utility model discloses condenser leak hunting subsystem.
Wherein, still include: temperature regulation valve, temperature controller and thermometer, the thermometer is located the liquid phase material exit of condenser body, and pass through temperature controller with temperature regulation valve connects, temperature regulation valve locates gaseous phase R22 export with between the sampling tube.
Wherein, still include: second liquid level controller, second liquid level regulating valve and second liquid level gauge, the R22 side is located to the second liquid level gauge, the second liquid level gauge passes through the second liquid level controller with the second liquid level regulating valve is connected, the second liquid level regulating valve locate liquid phase R22 import with between the refrigerating system.
(III) advantageous effects
The embodiment of the utility model provides a condenser leak hunting subsystem and condenser system sets up condenser leak hunting subsystem between condenser body and refrigerating system, adopts the chromatographic analysis method among the pH on-line measuring to replace the prior art, and the detection method is sensitive reliable, and investment cost is low, and degree of automation is high, can realize online continuous detection; the condenser system comprising the leakage detecting subsystem can detect whether strong acid-base and strong-base corrosive gases such as hydrogen fluoride and hydrogen chloride corrode the condenser body on line and enter a refrigerating system, so that the problem that the system is stopped due to damage of refrigerating system equipment is avoided.
Drawings
Fig. 1 is a schematic structural diagram of a condenser system according to an embodiment of the present invention;
reference numerals:
1: a condenser body; 101: a gas-phase material inlet; 102: a liquid-phase material outlet; 103: a gas-phase material outlet; 104: an inlet for liquid phase R22; 105: a vapor phase R22 outlet; 2: a sample inlet pipe; 3: a pH on-line detector; 4: a sampler; 5: a water inlet pipe; 6: a first liquid level meter; 7: a first liquid level regulating valve; 8: a first liquid level controller; 9: a sample outlet pipe; 10: a sample injection valve; 11: a sample outlet valve; 12: a temperature regulating valve; 13: a temperature controller; 14: a thermometer; 15: a second level controller; 16: a second level adjustment valve; 17: a second liquid level gauge.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, 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 in specific cases to those skilled in the art.
As shown in fig. 1, the embodiment of the utility model discloses condenser leak hunting subsystem, condenser leak hunting subsystem connect in condenser body 1's gaseous phase R22 export 105 and refrigerating system between, condenser leak hunting subsystem includes: sample tube 2, pH on-line measuring device and sampling device, the one end and the export 105 of gaseous phase R22 of sample tube 2 are connected, and the other end is connected with sampling device, and pH on-line measuring device locates sampling device's inside.
Specifically, the condenser body 1 in the present embodiment includes a gas-phase material inlet 101, a liquid-phase material outlet 102, a gas-phase material outlet 103, a liquid-phase R22 inlet 104, and a gas-phase R22 outlet 105, wherein the gas-phase material inlet 101, the liquid-phase material outlet 102, and the gas-phase material outlet 103 are connected to the material side of the condenser body, and the liquid-phase R22 inlet 104 and the gas-phase R22 outlet 105 are connected to the R22 side of the condenser body 1, and the material in the material side exchanges heat with the R22 on the R22 side.
In this embodiment, the sampling device may be a sampler 4, the pH online detection device may be a pH online detector 3, water is introduced into the sampler 4, if gas such as hydrogen fluoride and/or hydrogen chloride is discharged through the gas phase R22 outlet 105, the gas enters the sampler 4 through the sample inlet pipe 2, the hydrogen fluoride and the hydrogen chloride are dissolved in water and are both acidic, and the acidity or alkalinity of the gas can be detected by the pH online detector 3. In the embodiment, whether the condenser body 1 leaks or not is judged by adopting the principle that the pH value of water is changed when hydrogen chloride and hydrogen fluoride are dissolved in the water, and whether hydrogen fluoride and/or hydrogen chloride exist on the R22 side or not is/are introduced into the refrigerating system.
The embodiment of the utility model provides a pair of condenser leak hunting subsystem sets up condenser leak hunting subsystem between condenser body and refrigerating system, adopts the chromatographic analysis method among the mode replacement prior art of pH on-line measuring, and the detection method is sensitive reliable, and investment cost is low, and degree of automation is high, can realize online continuous detection.
Wherein, still include: inlet tube 5, first level gauge 6 and level control device, inlet tube 5 are connected with sampling device, and first level gauge 6 is located in sampling device to be connected with level control device, level control device locates inlet tube 5 department, the switching of control inlet tube 5. The water inlet pipe 5 in this embodiment is used for introducing pure water into the sampler 4, so that the acidic gas is dissolved in water and can be detected by the pH on-line detector. Detect the liquid level height in the sampler 4 through first level gauge 6 to through the switching of liquid level control device control inlet tube 5, the input of control pure water is with the solution liquid level height in the control sampler 4, realizes the function of automatic fluid infusion, and degree of automation is high.
Preferably, the liquid level control device comprises a first liquid level regulating valve 7 and a first liquid level controller 8, the first liquid level meter 6 is connected with the first liquid level regulating valve 7 through the first liquid level controller 8, and the first liquid level regulating valve 7 is arranged on the water inlet pipe 5. In this embodiment, the first liquid level control valve 7 can be controlled to open and close by the first liquid level controller 8, so as to control the on-off of the water inlet pipe 5.
Wherein, still include: and a sample outlet pipe 9, wherein one end of the sample outlet pipe 9 is connected with the sampling device, and the other end of the sample outlet pipe is connected with the tail gas treatment system. In this embodiment, the sampling pipe 9 is used to collect the tail gas after the reaction of the sampler 4 and introduce the tail gas into the tail gas treatment system, so that no tail gas is discharged, and the environmental protection and no pollution are ensured.
Wherein, still include: a sample valve 10 and a sample outlet valve 11, wherein the sample valve 10 is arranged at the sample inlet pipe 2, and the sample outlet valve 11 is arranged at the sample outlet pipe 9. In this embodiment, the sample inlet valve 10 and the sample outlet valve 11 are used to control the on-off of the sample inlet pipe 2 and the sample outlet pipe 9 respectively.
Wherein, still include: and the alarm device (not shown in the figure) is connected with the pH on-line detection device. In this embodiment, when the pH on-line detection device detects an acidic substance, the alarm device sends an alarm to prompt a constructor to timely close the condenser body 1 and the refrigeration system.
The embodiment of the utility model provides a still disclose a condenser system, include condenser body 1 and the condenser leak hunting subsystem as above-mentioned embodiment.
The utility model discloses condenser system including this leak hunting subsystem can on-line measuring whether have strong corrosive gas corrosion condenser body of strong acid-base nature such as hydrogen fluoride, hydrogen chloride to enter into refrigerating system, avoided refrigerating system equipment to damage, and then lead to the problem that the system parkked.
Wherein, still include: the temperature control device comprises a temperature control valve 12, a temperature controller 13 and a thermometer 14, wherein the thermometer 14 is arranged at a liquid phase material outlet 102 of the condenser body 1 and is connected with the temperature control valve 12 through the temperature controller 13, and the temperature control valve 12 is arranged between an outlet 105 of the gas phase R22 and the sampling pipe 2. In the embodiment, the opening and closing of the gas-phase R22 outlet 105 are controlled by detecting the temperature of the material side outlet, if the temperature of the material side outlet is higher than the preset temperature, the R22 does not exchange heat with the material sufficiently, the temperature regulating valve 12 is closed, and the R22 continuously exchanges heat with the material; otherwise, the thermostatic valve 12 is opened and R22 passes from the gas phase R22 outlet 105 into the refrigeration system.
Wherein, still include: the liquid level control system comprises a second liquid level controller 15, a second liquid level adjusting valve 16 and a second liquid level meter 17, wherein the second liquid level meter 17 is arranged on the R22 side, the second liquid level meter 17 is connected with the second liquid level adjusting valve 16 through the second liquid level controller 15, and the second liquid level adjusting valve 16 is arranged between a liquid phase R22 inlet 104 and the refrigeration system. In the embodiment, the second liquid level meter 17 detects the liquid level height of R22 on the R22 side, the second liquid level adjusting valve 16 is controlled to be opened and closed by the second liquid level controller 15, if the liquid level height of R22 on the R22 side is higher than the preset liquid level height, the second liquid level adjusting valve 16 is closed, and the liquid phase R22 is not introduced into the condenser body 1 any more; otherwise, the second level regulating valve 16 is opened and R22 is continuously passed.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A condenser leak detection subsystem connected between a gas phase R22 outlet of a condenser body and a refrigeration system, the condenser leak detection subsystem comprising: advance appearance pipe, pH on-line measuring device and sampling device, advance the appearance pipe one end with gaseous phase R22 exit linkage, the other end with sampling device connects, pH on-line measuring device locates sampling device's inside.
2. The condenser leak detection subsystem of claim 1, further comprising: the liquid level control device is arranged at the position of the water inlet pipe and controls the opening and the closing of the water inlet pipe.
3. The condenser leak detection subsystem as defined in claim 2, wherein the liquid level control apparatus comprises a first liquid level regulating valve and a first liquid level controller, the first liquid level controller being connected to the first liquid level regulating valve, the first liquid level regulating valve being located at the water inlet pipe.
4. The condenser leak detection subsystem of claim 1, further comprising: and the sampling pipe is connected with one end of the sampling pipe and the other end of the sampling pipe is connected with a tail gas treatment system.
5. The condenser leak detection subsystem of claim 4, further comprising: the sampling valve is arranged at the sampling pipe, and the sampling valve is arranged at the sampling pipe.
6. The condenser leak detection subsystem of claim 1, further comprising: and the alarm device is connected with the pH on-line detection device.
7. A condenser system comprising a condenser body and a condenser leak detection subsystem as claimed in any one of claims 1-6.
8. The condenser system of claim 7, further comprising: temperature regulation valve, temperature controller and thermometer, the thermometer is located the liquid phase material exit of condenser body, and pass through temperature controller with temperature regulation valve connects, temperature regulation valve locates gaseous phase R22 export with between the sampling tube.
9. The condenser system of claim 7, further comprising: second liquid level controller, second liquid level regulating valve and second liquid level gauge, the R22 side is located to the second liquid level gauge, the second liquid level gauge passes through the second liquid level controller with the second liquid level regulating valve is connected, the second liquid level regulating valve locate liquid phase R22 import with between the refrigerating system.
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| CN201922215540.2U CN211121810U (en) | 2019-12-11 | 2019-12-11 | Condenser leak detection subsystem and condenser system |
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| CN201922215540.2U CN211121810U (en) | 2019-12-11 | 2019-12-11 | Condenser leak detection subsystem and condenser system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629762A (en) * | 2020-12-14 | 2021-04-09 | 内蒙古兴洋科技有限公司 | Online monitoring device and method for equipment breakage of chlorosilane disproportionation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629762A (en) * | 2020-12-14 | 2021-04-09 | 内蒙古兴洋科技有限公司 | Online monitoring device and method for equipment breakage of chlorosilane disproportionation system |
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