Pipeline tetrahydrothiophene odorant on-line detection device

Abstract

The utility model discloses a pipeline tetrahydrothiophene odorant on-line detection device which comprises a gas pipeline, a support is installed on the gas pipeline, a detection tank body is installed on the support, a pressure sensor, a temperature sensor and a moisture sensor are installed in the detection tank body, a first electromagnetic valve is installed at the gas inlet end of the detection tank body, and a second electromagnetic valve is installed at the gas outlet end of the detection tank body. A second electromagnetic valve is mounted at the air outlet end of the detection tank body. The gas sampling device has the beneficial effects that the detection tank body, the first electromagnetic valve, the second electromagnetic valve, the first gas pump and the second gas pump are matched, so that automatic sampling of gas is realized, and potential safety hazards are reduced; and meanwhile, when the obtained data reaches the requirement, a second electromagnetic valve and a second air pump are started to discharge the sample in the detection tank body into the gas pipeline again, unnecessary waste is avoided, energy is saved, meanwhile, a pressure sensor, a temperature sensor and a moisture sensor are prevented from being soaked in the gas pipeline for a long time, and the service life of equipment is effectively guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a gas detection technical field, especially a pipeline tetrahydrothiophene odorizing agent on -line detection device. BACKGROUND

[0002] Tetrahydrothiophene odorizing agent is mainly used as the odorizing agent of city gas, petroleum liquefied gas, natural liquefied gas and other fuel gases to increase the perceptibility when gas leaks. Because it does not produce habituation of human body olfaction and has no corrosivity to coal gas equipment, transportation pipeline gasket and other materials, it is widely used as the odorizing agent of fuel gas, replacing the original ethyl mercaptan odorizing agent. The colorless transparent volatile liquid characteristics of tetrahydrothiophene and its stable and not easy to emit odor make it become the ideal fuel gas odorizing agent. In addition, tetrahydrothiophene also has anesthetic effect and can be used as medicine, pesticide and organic synthesis raw material.

[0003] Because the electrochemical sensor cannot be immersed in the fuel gas pipeline gas for a long time, otherwise it is poisoned and fails to detect the tetrahydrothiophene odorizing agent in the pipeline on line, some existing tetrahydrothiophene odorizing agent concentration detection methods need to take samples back to the laboratory for detection, which is time-consuming and laborious, cannot achieve instant detection, and after testing, using air to flush the sensor will discharge the pipeline gas into the atmosphere, causing unnecessary waste and even safety hazards. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the shortcomings of some existing tetrahydrothiophene odorizing agent concentration detection methods that need to take samples back to the laboratory for detection, which is time-consuming and laborious, cannot achieve instant detection, and after testing, using air to flush the sensor will discharge the pipeline gas into the atmosphere, causing unnecessary waste and even safety hazards, and provides a pipeline tetrahydrothiophene odorizing agent on -line detection device.

[0005] The utility model discloses a pipeline tetrahydrothiophene odorizing agent on -line detection device, including fuel gas pipeline, the bracket is installed on fuel gas pipeline, the detection jar body is installed on the bracket, the pressure sensor, temperature sensor and moisture sensor are installed in the detection jar body, the first electromagnetic valve is installed to the air inlet of detection jar body, the second electromagnetic valve is installed to the air outlet of detection jar body, the air inlet of first electromagnetic valve is connected with fuel gas pipeline through first air pump, the air outlet of second electromagnetic valve is connected with fuel gas pipeline through second air pump;

[0006] The upper part of the detection tank body is provided with a refrigerator, and the detection tank body, the first electromagnetic valve, the second electromagnetic valve, the first air pump and the second air pump are matched, the first electromagnetic valve and the first air pump are opened to draw the gas in the gas pipeline into the detection tank body, then the first electromagnetic valve and the first air pump are closed to realize automatic sampling of the gas, reduce the safety hidden danger, and the pressure sensor, the temperature sensor and the moisture sensor are opened to detect the temperature, pressure and moisture data of the gas, and the refrigerator is used to refrigerate the gas in the detection tank body to obtain the temperature, pressure and moisture data at different temperatures, when the obtained data reaches the required value, the second electromagnetic valve and the second air pump are opened to discharge the sample in the detection tank body into the gas pipeline again, so as to avoid unnecessary waste, save energy, and effectively guarantee the service life of the equipment by avoiding the long-term immersion of the pressure sensor, the temperature sensor and the moisture sensor in the gas pipeline, and obtaining multiple groups of sampling data at different temperatures to facilitate accurate calculation of the concentration data of the tetrahydrothiophene odorizing agent in the pipeline.

[0007] Further, the side of the detection tank body is provided with a PLC controller, the PLC controller is connected with the first electromagnetic valve, the second electromagnetic valve, the first air pump, the second air pump, the pressure sensor, the temperature sensor, the moisture sensor and the refrigerator, the PLC controller is connected with the remote control system through a network module, the PLC controller and the network module are set to connect with the remote control system through the network module, so that the operator can remotely control the equipment, and the data of the pressure sensor, the temperature sensor and the moisture sensor can be obtained to calculate the concentration data of the tetrahydrothiophene odorizing agent in the pipeline, and the operation convenience is improved.

[0008] Further, the bracket is provided with a storage battery, the storage battery is connected with the first electromagnetic valve, the second electromagnetic valve, the first air pump, the second air pump, the pressure sensor, the temperature sensor, the moisture sensor, the refrigerator, the PLC controller and the network module, and the bracket is provided with a solar cell panel connected with the storage battery, so that the storage battery supplies power to each electrical element of the equipment, and the solar cell panel converts solar energy into electrical energy and stores it in the storage battery, providing clean energy and being beneficial to environmental protection.

[0009] Further, the detection tank body is provided with a heat insulation layer, so that the external environment does not interfere with the detection tank body, and the data obtained during sampling detection is more accurate.

[0010] Further, the refrigerator is a TEC refrigerator, which has the characteristics of accurate temperature control, fast response speed, good refrigeration effect, no need of refrigerant, low energy consumption, small size, light weight, no noise, high reliability and the like.

[0011] The utility model has the following advantages: the utility model discloses through setting detection jar body, first electromagnetic valve, second electromagnetic valve, first air pump and second air pump cooperation, realize automatic sampling to fuel gas, reduce the hidden danger, when the data obtained reaches the requirement, open second electromagnetic valve and second air pump and sample in detection jar body are arranged into fuel gas pipeline again, avoid causing unnecessary waste, save energy, avoid pressure sensor, temperature sensor and moisture sensor long -time immersion in fuel gas pipeline simultaneously, effectively guarantee the service life of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is whole structure schematic diagram of the utility model;

[0013] Fig. 2 It is detection jar body sectional view schematic diagram of the utility model;

[0014] In the drawing, 1, fuel gas pipeline;2, support;3, detection jar body;4, first electromagnetic valve;5, second electromagnetic valve;6, first air pump;7, second air pump;8, pressure sensor;9, temperature sensor;10, moisture sensor;11, refrigerator;12, PLC controller;13, network module;14, solar cell panel;15, battery;16, heat insulation layer. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical scheme and advantage of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0016] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0017] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0018] It should be noted that: similar signs and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0019] In the description of the utility model, it is necessary to explain that the orientation or positional relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or positional relation shown based on the drawings, or is the orientation or positional relation commonly placed when the utility model product is used, or is the orientation or positional relation commonly understood by the person skilled in the art, and is merely for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only used for distinguishing description, and cannot be understood as indicating or implying relative importance.

[0020] In the description of the utility model, it is also necessary to explain that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0021] As Figs. 1-2 As shown in a kind of pipeline tetrahydrothiophene odorizing agent on-line detection device, including gas pipeline 1, bracket 2 is installed on gas pipeline 1, detection tank body 3 is installed on bracket 2, pressure sensor 8, temperature sensor 9 and moisture sensor 10 are installed in detection tank body 3, first electromagnetic valve 4 is installed at the gas inlet end of detection tank body 3, second electromagnetic valve 5 is installed at the gas outlet end of detection tank body 3, the gas inlet end of first electromagnetic valve 4 is connected with gas pipeline 1 by first gas pump 6, the gas outlet end of second electromagnetic valve 5 is connected with gas pipeline 1 by second gas pump 7;

[0022] A refrigerating device 11 is installed on the upper part of the detection tank 3. By setting the detection tank 3, the first electromagnetic valve 4, the second electromagnetic valve 5, the first gas pump 6 and the second gas pump 7 in cooperation, the first electromagnetic valve 4 and the first gas pump 6 are opened to draw the gas in the gas pipeline 1 into the detection tank 3, and then the first electromagnetic valve 4 and the first gas pump 6 are closed to realize automatic sampling of the gas, reduce the safety hidden danger, at this time the pressure sensor 8, the temperature sensor 9 and the moisture sensor 10 are opened to detect the temperature, pressure and moisture data of the gas, and the refrigerating device 11 is used to refrigerate the gas in the detection tank 3 to obtain the temperature, pressure and moisture data at different temperatures, when the obtained data reaches the required value, the second electromagnetic valve 5 and the second gas pump 7 are opened to discharge the sample in the detection tank 3 into the gas pipeline 1 again, avoiding unnecessary waste, saving energy, at the same time, avoiding the pressure sensor 8, the temperature sensor 9 and the moisture sensor 10 being immersed in the gas pipeline for a long time, effectively guaranteeing the service life of the equipment, and obtaining multiple groups of sampling data at different temperatures to facilitate accurate calculation of the concentration data of the tetrahydrothiophene odorizing agent in the pipeline.

[0023] A PLC controller 12 is installed on one side of the detection tank 3, and the PLC controller 12 is connected with the first electromagnetic valve 4, the second electromagnetic valve 5, the first gas pump 6, the second gas pump 7, the pressure sensor 8, the temperature sensor 9, the moisture sensor 10 and the refrigerating device 11. The PLC controller 12 is connected with the remote control system through a network module 13. By setting the PLC controller 12 and the network module 13, the PLC controller 12 is connected with the remote control system through the network module 13, which is convenient for the operator to remotely control the equipment, and is convenient for obtaining the data of the pressure sensor 8, the temperature sensor 9 and the moisture sensor 10 to calculate the concentration data of the tetrahydrothiophene odorizing agent in the pipeline, improving the convenience of operation.

[0024] A storage battery 15 is installed on the support 2, and the storage battery 15 is electrically connected with the first electromagnetic valve 4, the second electromagnetic valve 5, the first gas pump 6, the second gas pump 7, the pressure sensor 8, the temperature sensor 9, the moisture sensor 10, the refrigerating device 11, the PLC controller 12 and the network module 13. A solar cell panel 14 connected with the storage battery 15 is installed on the support 2. By setting the storage battery 15 to supply power to each electrical element of the equipment, and setting the solar cell panel 14 to convert solar energy into electrical energy and store it in the storage battery 15, clean energy is provided, which is beneficial to environmental protection.

[0025] A heat insulation layer 16 is installed on the outside of the detection tank 3. The setting of the heat insulation layer 16 can avoid the interference of the external environment on the detection tank 3, so that the data is more accurate during sampling and detection.

[0026] The refrigerator 11 is a TEC refrigerator, and setting the refrigerator 11 as a TEC refrigerator has the characteristics of accurate temperature control, fast response speed, good refrigeration effect, no need of refrigerant, low energy consumption, small volume, light weight, no noise, high reliability and the like.

[0027] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A device for online detection of a tetrahydrothiophene odorizing agent in a pipeline, comprising a gas pipeline (1), characterized in that: A support (2) is installed on the gas pipeline (1), a detection tank (3) is installed on the support (2), a pressure sensor (8), a temperature sensor (9) and a moisture sensor (10) are installed in the detection tank (3), a first electromagnetic valve (4) is installed at the gas inlet end of the detection tank (3), a second electromagnetic valve (5) is installed at the gas outlet end of the detection tank (3), the gas inlet end of the first electromagnetic valve (4) is connected with the gas pipeline (1) through a first gas pump (6), and the gas outlet end of the second electromagnetic valve (5) is connected with the gas pipeline (1) through a second gas pump (7). A refrigeration device (11) is installed at the upper portion of the detection tank (3).

2. A pipeline tetrahydrothiophene odorant on-line monitoring device in accordance with Claim 1, wherein: A PLC controller (12) is installed at one side of the detection tank (3), and the PLC controller (12) is connected with the first electromagnetic valve (4), the second electromagnetic valve (5), the first gas pump (6), the second gas pump (7), the pressure sensor (8), the temperature sensor (9), the moisture sensor (10) and the refrigeration device (11) respectively, and the PLC controller (12) is connected with a remote control system through a network module (13).

3. A pipeline tetrahydrothiophene odorant on-line monitoring device in accordance with Claim 1, wherein: A storage battery (15) is installed on the support (2), and the storage battery (15) is electrically connected with the first electromagnetic valve (4), the second electromagnetic valve (5), the first gas pump (6), the second gas pump (7), the pressure sensor (8), the temperature sensor (9), the moisture sensor (10), the refrigeration device (11), the PLC controller (12) and the network module (13) respectively, and a solar cell panel (14) connected with the storage battery (15) is installed on the support (2).

4. A pipeline tetrahydrothiophene odorant on-line monitoring device in accordance with claim 1, wherein: An insulating layer (16) is installed outside the detection tank (3).

5. A pipeline tetrahydrothiophene odorant on-line monitoring device in accordance with claim 1, wherein: The refrigeration device (11) is a TEC refrigeration device.

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