CN217846960U - Temperature control device for chemical waste gas monitoring system - Google Patents
Temperature control device for chemical waste gas monitoring system Download PDFInfo
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- CN217846960U CN217846960U CN202222319319.3U CN202222319319U CN217846960U CN 217846960 U CN217846960 U CN 217846960U CN 202222319319 U CN202222319319 U CN 202222319319U CN 217846960 U CN217846960 U CN 217846960U
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Abstract
The utility model provides a temperature control device for a chemical waste gas monitoring system, which comprises a sampling component and a pretreatment component, wherein the sampling component and the pretreatment component are connected through a connecting pipeline; the temperature control device comprises a first temperature control part, a second temperature control part and a third temperature control part, wherein the first temperature control part is used for controlling the temperature of the sampling assembly, the second temperature control part is used for controlling the temperature of the connecting pipeline, and the third temperature control part is used for controlling the temperature of the pretreatment assembly. The utility model provides a pair of temperature control device for chemical waste gas monitoring system, the whole accuse temperature of sampling process guarantees that waste gas composition and state do not change, improves and detects the precision.
Description
Technical Field
The utility model belongs to the technical field of exhaust-gas monitoring, particularly, relate to a temperature control device for chemical waste-gas monitoring system.
Background
In the chemical industry, exhaust gases are generally hazardous. Especially in the exhaust gas discharged from a flare, the exhaust gas may contain a large amount of flammable, toxic, and Highly Reactive Volatile Organic Compounds (HRVOCs). Therefore, there is a need for real-time monitoring and analysis of exhaust gas from chemical production equipment or heavy machinery to achieve reduced emissions and pollution.
The components of the torch waste gas are complex, the component change is large, and in the process from a sampling position to a detection instrument, if the temperature is low, the waste gas is easy to change from a gaseous state to a gas-liquid mixed state, and the components are also easy to change, so that the detection instrument cannot accurately perform detection and analysis.
Disclosure of Invention
The utility model is not enough to the aforesaid, a temperature control device for chemical waste gas monitoring system is provided, and the whole accuse temperature of sample process guarantees that waste gas composition and state do not change, improves and detects the precision.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model provides a temperature control device for a chemical waste gas monitoring system, which comprises a sampling component and a pretreatment component, wherein the sampling component and the pretreatment component are communicated through a connecting pipeline; the temperature control device comprises a first temperature control part, a second temperature control part and a third temperature control part, wherein the first temperature control part is used for controlling the temperature in the sampling assembly, the second temperature control part is used for controlling the temperature in the connecting pipeline, and the third temperature control part is used for controlling the temperature in the pretreatment assembly.
As a further improvement of the utility model, the temperature range after the regulation and control of the first temperature control piece, the second temperature control piece and the third temperature control piece is 60-180 ℃.
As a further improvement, the temperature after the regulation and control of the first temperature control piece, the second temperature control piece and the third temperature control piece is higher than the dew point temperature of the waste gas collected by the sampling assembly.
As a further improvement of the utility model, the sampling assembly comprises a shell, and a probe, a first air inlet pipe and a first air outlet pipe which are connected in sequence, wherein the air outlet end of the first air outlet pipe is connected with a connecting pipeline; the probe is located the casing outside, and first intake pipe and first outlet duct all are located the casing.
As a further improvement of the utility model, the first temperature control part comprises an electric heat tracing part which is arranged on the outer surface of the shell; the shell is made of heat conducting materials.
As a further improvement, the outside of the shell is wrapped with a heat-insulating flame-retardant layer, and the electric tracing piece is positioned between the heat-insulating flame-retardant layer and the shell.
As a further improvement of the utility model, the first temperature control part comprises a first heater which is arranged in the shell.
As a further improvement of the utility model, the first temperature control part further comprises a first temperature probe, and the first temperature probe is positioned in the shell.
As a further improvement of the utility model, the connecting pipeline is integrated for the heat tracing pipeline with second accuse temperature spare.
As a further improvement, the pretreatment component comprises a heat preservation box body and a second air inlet pipe, a booster pump and a second air outlet pipe which are arranged in the heat preservation box body and are connected in sequence, and the air inlet end of the second air inlet pipe is connected with the connecting pipeline.
As a further improvement of the utility model, the third temperature control part comprises a second heater which is arranged in the heat preservation box body.
As a further improvement of the present invention, the second heater is an electric heater or a steam heater.
As a further improvement, the heat preservation box body adopts a double-layer structure, and a heat preservation flame-retardant layer is filled between the inner layer and the outer layer.
As a further improvement of the utility model, the third control temperature part further comprises a second temperature probe which is positioned in the heat insulation box body.
As a further improvement, the outer wall of the heat preservation box body is also provided with a temperature display, and the temperature display is connected with the second temperature probe and used for displaying the temperature in the heat preservation box body.
Compared with the prior art, the technical scheme of the utility model following beneficial effect has: the utility model provides a temperature control device for chemical waste gas monitoring system, through the temperature in the first accuse temperature piece control sampling subassembly, the temperature in the second accuse temperature piece control connection pipeline, the temperature in the third accuse temperature piece control pretreatment assembly realizes whole accuse temperature in sample, transmission and pretreatment processes, guarantees that the composition and the state of whole waste gas do not change, improves and detects the precision.
Drawings
Fig. 1 is a schematic structural diagram of a temperature control device for a chemical waste gas monitoring system according to an embodiment of the present invention.
The figure shows that: 11 sampling components, 12 connecting pipelines, 13 pretreatment components, 21 first temperature control parts, 22 second temperature control parts and 23 third temperature control parts.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings.
The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, corresponding reference numerals indicate like or corresponding parts and features.
The embodiment of the utility model provides a chemical industry is temperature control device for exhaust gas monitoring system, chemical industry exhaust gas monitoring system include sampling component 11 and preprocessing component 13, and sampling component 11 and preprocessing component 13 communicate through connecting tube 12, and preprocessing component 13 communicates with detection device. Wherein the sampling assembly 11 is used for collecting exhaust gas. The pre-treatment assembly 13 is used to regulate the pressure of the exhaust gas. The detection device is used for analyzing the waste gas and obtaining a detection result, and the detection device can adopt a chromatograph. The temperature control device comprises a first temperature control member 21, a second temperature control member 22 and a third temperature control member 23, wherein the first temperature control member 21 is used for controlling the temperature in the sampling assembly 11, the second temperature control member 22 is used for controlling the temperature in the connecting pipeline 12, and the third temperature control member 23 is used for controlling the temperature in the pretreatment assembly 13.
The temperature control device for chemical waste gas monitoring system that this embodiment provided, through the temperature in the first accuse temperature piece control sampling subassembly, the temperature in the second accuse temperature piece control connecting line, the temperature in the third accuse temperature piece control pretreatment assembly realizes whole journey accuse temperature in sample, transmission and pretreatment processes, guarantees that whole ingredients and the state of whole journey waste gas do not change, improves and detects the precision.
As a preferred example, the temperature ranges of the first temperature control member 21, the second temperature control member 22 and the third temperature control member 23 after being controlled are all 60-180 ℃. Through the first temperature control part, the second temperature control part and the third temperature control part, the whole process of sampling, transmitting and preprocessing of the waste gas is in an environment with the temperature range of 60-180 ℃, the composition and the state of the waste gas in the whole process are further ensured not to change, and the detection precision is improved.
Or, as a preferable example, the temperature regulated by the first temperature control element 21, the second temperature control element 22 and the third temperature control element 23 is higher than the dew point temperature of the exhaust gas collected by the sampling assembly. Through the first temperature control part, the second temperature control part and the third temperature control part, the whole process of sampling, transmitting and preprocessing of the waste gas is in an environment with the temperature higher than the highest dew point temperature in the components of the waste gas, the components and the state of the waste gas in the whole process are further ensured not to change, and the detection precision is improved.
As a preferred example, the sampling assembly 11 includes a housing, and a probe, a first air inlet tube and a first air outlet tube connected in sequence, and an air outlet end of the first air outlet tube is connected to the connecting pipeline. The probe is located the casing outside, and first intake pipe and first outlet duct all are located the casing. When the probe is used, the probe is positioned in the torch waste gas discharge pipeline to collect waste gas, and the waste gas sequentially flows through the first gas inlet pipe and the first gas outlet pipe to reach the connecting pipeline. In the sampling assembly in the preferred embodiment, the first air inlet pipe and the first air outlet pipe are arranged in the shell, so that the temperature can be conveniently controlled.
The first temperature control member has various structures, and in a first preferred structure, the first temperature control member comprises an electric tracing member which is arranged on the outer surface of the shell. The shell is made of heat conducting materials. The first temperature control piece generates heat through the electric heat tracing piece and heats the inside of the shell through shell heat conduction, so that the temperature of the inside of the shell is controlled. The electric heat tracing piece is an electric heat tracing band or an electric heat tracing block.
Furthermore, the outside of casing has still wrapped up the fire-retardant layer of heat preservation, and electric tracing is located between fire-retardant layer of heat preservation and the casing. The heat preservation flame retardant layer wraps the electric heat tracing piece and the shell, so that heat loss of the electric heat tracing piece is prevented, heating efficiency of the electric heat tracing piece is improved, and meanwhile, a fireproof effect can be achieved. The heat-insulating flame-retardant layer is formed by paving heat-insulating flame-retardant materials, for example, rock wool boards.
In a second preferred structure, the first temperature control member 21 includes a first heater, and the first heater is disposed in the housing. First accuse temperature spare is through inside the first heater direct heating casing, accuse temperature to inside the casing. The first heater is an electric heater or a steam heater.
Further, the first temperature control member 21 further comprises a first temperature probe, and the first temperature probe is located in the housing. The first temperature probe is used for measuring the temperature in the shell, so that the first heater can be controlled to heat better, and the temperature control precision is improved.
As a preferred example, the connecting line 12 is integrated with the second temperature control element 22 as a heat trace line. Directly adopt between sampling subassembly 11 and the pretreatment module 13 heat tracing pipe to connect, can carry out the transmission of waste gas, can also heat to waste gas and keep warm, simple structure, easy control.
As a preferred example, the pretreatment module 13 includes a heat insulation box, and a second air inlet pipe, a booster pump and a second air outlet pipe which are located in the heat insulation box and connected in sequence, wherein an air inlet end of the second air inlet pipe is connected with the connecting pipeline 12. During the use, the waste gas that sampling assembly 11 adopted imports the second intake pipe through connecting line 12, and the booster pump increases the pressure of waste gas, improves waste gas flow velocity for waste gas detects through second outlet duct inflow detection device fast, improves detection response speed then. The pretreatment assembly in the preferred embodiment has the advantages that the second air inlet pipe, the booster pump and the second air outlet pipe are arranged in the heat preservation box body, so that the temperature is convenient to control, the length of a flow path is reduced, and the maintenance is convenient.
Further, the third temperature control member 23 includes a second heater provided in the heat insulating case.
The third accuse temperature spare passes through inside the direct heating insulation box of second heater, controls the temperature to the insulation box inside.
The second heater is an electric heater or a steam heater.
Furthermore, the insulation box body adopts a double-layer structure, and an insulation flame-retardant layer is filled between the inner layer and the outer layer. Set up the fire-retardant layer of heat preservation between the ectonexine of insulation can, can effectively prevent the insulation can internal and external heat exchange, improve insulation can's heat preservation effect, can also play the fire prevention effect simultaneously. The heat-preservation flame-retardant layer is formed by paving heat-preservation flame-retardant materials, for example, rock wool boards are spliced.
Preferably, the third temperature control element 23 further comprises a second temperature probe, which is located at the upper part inside the incubator body. Furthermore, the outer wall of the heat preservation box body is also provided with a temperature display, and the temperature display is connected with the second temperature probe and used for displaying the temperature in the heat preservation box body. The second temperature probe is used for measuring the temperature in the heat preservation box body, is convenient for control the heating of the second heater, and improves the temperature control precision. The temperature display outside the heat preservation box body is used for displaying the temperature in the heat preservation box body measured by the second temperature probe, so that the staff can conveniently check the temperature in the heat preservation box body and know the temperature in the heat preservation box body in time.
The foregoing illustrates and describes the general principles, features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the details of the foregoing embodiments, which have been described in order to further illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, which are intended to be within the scope of the invention as claimed. The scope of the invention is defined by the claims and their equivalents.
Claims (15)
1. The temperature control device for the chemical waste gas monitoring system is characterized by comprising a sampling assembly (11) and a pretreatment assembly (13), wherein the sampling assembly (11) is communicated with the pretreatment assembly (13) through a connecting pipeline (12); the temperature control device comprises a first temperature control part (21), a second temperature control part (22) and a third temperature control part (23), wherein the first temperature control part (21) is used for controlling the temperature in the sampling assembly (11), the second temperature control part (22) is used for controlling the temperature in the connecting pipeline (12), and the third temperature control part (23) is used for controlling the temperature in the pretreatment assembly (13).
2. The temperature control device for the chemical waste gas monitoring system according to claim 1, wherein the temperature ranges of the first temperature control member (21), the second temperature control member (22) and the third temperature control member (23) are 60-180 ℃.
3. The temperature control device for the chemical waste gas monitoring system according to claim 1, wherein the temperature regulated by the first temperature control member (21), the second temperature control member (22) and the third temperature control member (23) is higher than the dew point temperature of the waste gas collected by the sampling assembly.
4. The temperature control device for the chemical waste gas monitoring system according to claim 1, wherein the sampling assembly (11) comprises a shell, and a probe, a first gas inlet pipe and a first gas outlet pipe which are connected in sequence, wherein the gas outlet end of the first gas outlet pipe is connected with the connecting pipeline (12); the probe is located the casing outside, and first intake pipe and first outlet duct all are located the casing.
5. The temperature control device for the chemical waste gas monitoring system according to claim 4, wherein the first temperature control member (21) comprises an electric tracing member, and the electric tracing member is arranged on the outer surface of the shell; the shell is made of heat conducting materials.
6. The temperature control device for the chemical waste gas monitoring system according to claim 5, wherein the heat-insulating flame-retardant layer is further wrapped outside the shell, and the electric heat tracing member is located between the heat-insulating flame-retardant layer and the shell.
7. The temperature control device for the chemical waste gas monitoring system according to claim 4, wherein the first temperature control member (21) comprises a first heater, and the first heater is arranged in the housing.
8. The temperature control device for the chemical waste gas monitoring system according to claim 7, wherein the first temperature control member (21) further comprises a first temperature probe, and the first temperature probe is positioned in the housing.
9. The temperature control device for the chemical exhaust gas monitoring system according to claim 1 or 5, wherein the connecting line (12) and the second temperature control member (22) are integrated into a heat tracing line.
10. The temperature control device for the chemical waste gas monitoring system according to claim 1 or 5, wherein the pretreatment assembly (13) comprises a heat preservation box body, and a second gas inlet pipe, a booster pump and a second gas outlet pipe which are sequentially connected and arranged in the heat preservation box body, and the gas inlet end of the second gas inlet pipe is connected with the connecting pipeline (12).
11. The temperature control device for the chemical exhaust gas monitoring system according to claim 10, wherein the third temperature control member (23) comprises a second heater provided in the heat insulating case.
12. The temperature control device for the chemical waste gas monitoring system according to claim 11, wherein the second heater is an electric heater or a steam heater.
13. The temperature control device for the chemical waste gas monitoring system according to claim 11, wherein the insulation box body has a double-layer structure, and an insulation flame-retardant layer is filled between an inner layer and an outer layer.
14. The temperature control device for the chemical waste gas monitoring system according to claim 11, wherein the third temperature control member (23) further comprises a second temperature probe, and the second temperature probe is located in the insulation box.
15. The temperature control device for the chemical waste gas monitoring system according to claim 14, wherein a temperature display is further arranged on the outer wall of the heat preservation box body, and the temperature display is connected with the second temperature probe and used for displaying the temperature in the heat preservation box body.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2022206842732 | 2022-03-28 | ||
| CN202220684273 | 2022-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217846960U true CN217846960U (en) | 2022-11-18 |
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ID=84016356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222319319.3U Active CN217846960U (en) | 2022-03-28 | 2022-09-01 | Temperature control device for chemical waste gas monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217846960U (en) |
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2022
- 2022-09-01 CN CN202222319319.3U patent/CN217846960U/en active Active
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