Detection device for sulfide

Abstract

The utility model discloses a detection device for sulfide, which comprises a case, a dry vacuum pump, a shielding case, a pressure transmitter, a photomultiplier, an ozone generator, a temperature control device, a power supply and an electronic valve, a plurality of feeding holes are arranged on the case, the case is in fastening connection with the dry vacuum pump and the shielding case, a reaction tank is arranged in the shielding case, and the temperature control device is arranged in the reaction tank. A combustion chamber is arranged in the shielding case, the case is in fastening connection with the pressure transmitter, the photomultiplier, the ozone generator, the temperature control device, the power supply and the electronic valve, and the case is used as a main installation foundation for installing other devices. The dry vacuum pump is used for conveying gas, the shielding case serves as a reaction place, and the photomultiplier serves as a main detection device to detect the content of sulfide.

Description

Technical Field

[0001] The utility model relates to the technical field of sulfide detection, in particular to a detection device for sulfide. Background Technique

[0002] As a common pollutant, sulfide is generated in all walks of life. At the same time, we need to restrict the emission of sulfide to keep it within a reasonable range. Among them, sulfide in the chemical industry is extremely important.

[0003] The sulfur content in energy chemical industry is an important index directly related to product quality. Since sulfur is extremely easy to oxidize, it is easy to produce gum precipitation, which is extremely likely to cause corrosion of refining units and storage units and affect the service life of catalysts in refining units. Therefore, the detection of sulfide is particularly important. The SCD sulfur chemiluminescence detector has the advantages of high selectivity, little interference from hydrocarbon substances, and equimolar linear response to sulfide, and is very suitable for the detection of sulfide in energy chemical industry.

[0004] In addition, at present, the SCD sulfur chemiluminescence detector on the market is mainly equipped with an oil pump, and it is necessary to replace the oil mist filter and engine oil of the oil pump in time, which increases the maintenance difficulty for the detection equipment. At the same time, the oil pump needs to be cleaned, making the procedure complicated and increasing the labor cost. Content of the Utility Model

[0005] The purpose of the utility model is to provide a detection device for sulfide to solve the problems put forward in the above background technique.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] A detection device for sulfide, the detection device includes a chassis, a dry vacuum pump, a shielding cover, a pressure transmitter, a photomultiplier tube, an ozone generator, a temperature control device, a power supply, an electronic valve, and a display. There are a plurality of through holes on the chassis. The chassis is fixedly connected to the dry vacuum pump, and the chassis is fixedly connected to the shielding cover. There is a reaction pool inside the shielding cover, and there is a combustion chamber inside the shielding cover. The chassis is fixedly connected to the pressure transmitter. The output end of the pressure transmitter is electrically connected to the display, and the input end of the pressure transmitter is connected to the combustion chamber and the reaction pool through a pipeline. The chassis is fixedly connected to the photomultiplier tube, the chassis is fixedly connected to the ozone generator, the output end of the ozone generator is connected to the reaction pool through the dry vacuum pump through a pipeline, the chassis is fixedly connected to the temperature control device, the chassis is fixedly connected to the power supply, the chassis is fixedly connected to the electronic valve, and the chassis is fixedly connected to the display.

[0008] The chassis serves as the main installation foundation for installing other devices. The shielding cover serves as the reaction site and provides a reaction environment for the reaction. A dry vacuum pump is used to pump and deliver the reaction gas, controlling the flow direction of the reaction gas in the reaction pool and the combustion chamber. The pressure transmitter is used to detect the pressure in the reaction pool and the combustion chamber. The ozone generator is used to provide the ozone required for the reaction. The temperature control device is used to control the reaction temperature. The power supply is used to provide energy for each device. The electronic valve is used to control the rate of delivering the reaction gas. The photomultiplier tube is used to detect the sulfide content and convert it into an electrical signal.

[0009] Further, the dry vacuum pump includes a pump body, a first pump pipe, and a second pump pipe. The discharge port of the pump body is connected to the first pump pipe through a pipeline, and the inlet port of the pump body is connected to the second pump pipe through a pipeline. The first pump pipe is fixedly connected to the chassis. One end of the first pump pipe away from the pump body passes through the through-hole on the chassis and is connected to the reaction pool. One end of the second pump pipe away from the pump body passes through the through-hole on the chassis and is successively fixedly connected to the combustion chamber and the ozone generator. There are two inlet ports on the second pump pipe, and the two inlet ports are respectively connected to the combustion chamber and the ozone generator through pipelines.

[0010] The pump body serves as the main control device, which is used to connect the first pump pipe and the second pump pipe, and deliver the reaction gas in the combustion chamber connected to the second pump pipe into the reaction pool connected to the first pump pipe through the inlet port, and also deliver the ozone generated by the ozone generator into the reaction pool connected to the first pump pipe through the inlet port.

[0011] Further, the photomultiplier tube includes a support base and a reaction tube. The support base is fixedly connected to the chassis, and the support base is fixedly connected to the reaction tube. The input end of the reaction tube is connected to the reaction pool through a pipeline, and there is a relief valve on the reaction tube.

[0012] The support base serves as the main support and provides a support condition for the reaction tube. The reaction tube serves as the main detection device and is used to detect the sulfide content in the gas after the reaction in the reaction pool. The relief valve is used to discharge the reaction gas after the detection.

[0013] Further, the temperature control device includes a temperature control base and a temperature controller. The temperature control base is fixedly connected to the chassis, and the temperature control base is fixedly connected to the temperature controller. The output end of the temperature controller is electrically connected to the display, and the input end of the temperature controller is respectively fixedly connected to the combustion chamber and the reaction pool.

[0014] The temperature control base serves as the installation foundation and provides an installation environment for the temperature controller. The temperature controller controls the temperature of the combustion chamber and the reaction pool according to the temperature conditions set by the display.

[0015] Further, the electronic valve includes a valve seat, a proportional valve, and a circuit board. The valve seat is fixedly connected to the chassis, the proportional valve is fixedly connected to the valve seat, and the circuit board is fixedly connected to the proportional valve. There are an inlet port and an outlet port on the proportional valve.

[0016] The valve seat provides the installation conditions as the installation foundation. The proportional valve is used to control the flow rate of the reaction gas. The circuit board controls the opening degree of the proportional valve. The reaction gas enters from the inlet, and the flow rate and the total amount of the reaction gas are controlled by the proportional valve, and then exits from the outlet.

[0017] Compared with the prior art, the beneficial effects achieved by the present utility model are as follows: During the detection process of the present utility model, the power supply is responsible for providing energy. The input of the reaction gas is controlled by the proportional valve to control the total amount of the reaction gas entering the combustion chamber. The temperature and pressure in the combustion chamber are controlled by the temperature controller and the pressure transmitter. The suction force is provided by the pump body. The second pump pipe sucks out the gas after the reaction in the combustion chamber and the ozone gas from the ozone generator, and then flows into the reaction pool from the first pump pipe, and the content of sulfide in the gas after the final reaction is detected by the reaction pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:

[0019] Figure 1 is the overall structural schematic diagram of the present utility model;

[0020] Figure 2 is the structural schematic diagram of the chassis of the present utility model;

[0021] Figure 3 is the structural schematic diagram of the photomultiplier tube of the present utility model;

[0022] Figure 4 is the structural schematic diagram of the temperature control device of the present utility model;

[0023] Figure 5 is Figure 4 the enlarged view of the partial A of the view;

[0024] In the figure: 1 - chassis, 2 - dry vacuum pump, 21 - pump body, 22 - first pump pipe, 23 - second pump pipe, 3 - shielding cover, 31 - reaction pool, 32 - combustion chamber, 4 - pressure transmitter, 5 - photomultiplier tube, 51 - support seat, 52 - reaction pipe, 6 - ozone generator, 7 - temperature control device, 71 - temperature control seat, 72 - temperature controller, 8 - power supply, 9 - solenoid valve, 91 - valve seat, 92 - proportional valve, 921 - inlet, 922 - outlet, 93 - circuit board, 10 - display. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0026] The present invention provides a technical solution:

[0027] As Figures 1 to 3 shown, a detection device for sulfide includes a chassis 1, a dry vacuum pump 2, a shielding cover 3, a pressure transmitter 4, a photomultiplier tube 5, an ozone generator 6, a temperature control device 7, a power supply 8, an electronic valve 9, and a display 10. The chassis 1 is provided with a plurality of through holes. The chassis 1 is fixedly connected to the dry vacuum pump 2. The chassis 1 is fixedly connected to the shielding cover 3. A reaction pool 31 is provided inside the shielding cover 3. A combustion chamber 32 is provided inside the shielding cover 3. The chassis 1 is fixedly connected to the pressure transmitter 4. The output end of the pressure transmitter 4 is electrically connected to the display 10. The input end of the pressure transmitter 4 is connected to the combustion chamber 32 and the reaction pool 31 through pipelines. The chassis 1 is fixedly connected to the photomultiplier tube 5. The chassis 1 is fixedly connected to the ozone generator 6. The output end of the ozone generator 6 is connected to the reaction pool 31 through the dry vacuum pump 2 by pipelines. The chassis 1 is fixedly connected to the temperature control device 7. The chassis 1 is fixedly connected to the power supply 8. The chassis 1 is fixedly connected to the electronic valve 9. The chassis 1 is fixedly connected to the display 10.

[0028] The chassis 1 serves as the main installation base for installing other devices. The shielding cover 3 serves as a reaction site to provide a reaction environment for the reaction. The dry vacuum pump 2 is used to pump and deliver the reaction gas to control the flow direction of the reaction gas in the reaction pool 31 and the combustion chamber 32. The pressure transmitter 4 is used to detect the pressure in the reaction pool 31 and the combustion chamber 32. The ozone generator 6 is used to provide the ozone required for the reaction. The temperature control device 7 is used to control the reaction temperature. The power supply 8 is used to provide energy for each device. The electronic valve 9 is used to control the rate of delivering the reaction gas. The photomultiplier tube 5 is used to detect the sulfide content and convert it into an electrical signal.

[0029] As Figures 1 to 2 shown, the dry vacuum pump 2 includes a pump body 21, a first pump pipe 22, and a second pump pipe 23. The discharge port of the pump body 21 is connected to the first pump pipe 22 through a pipeline. The feed port of the pump body 21 is connected to the second pump pipe 23 through a pipeline. The first pump pipe 22 is fixedly connected to the chassis 1. The end of the first pump pipe 22 away from the pump body 21 passes through the through hole on the chassis 1 and is connected to the reaction pool 31. The end of the second pump pipe 23 away from the pump body 21 passes through the through hole on the chassis 1 and is sequentially connected to the combustion chamber 32 and the ozone generator 6 through pipelines. Two feed ports are provided on the second pump pipe 23, and the two feed ports are respectively connected to the combustion chamber 32 and the ozone generator 6 through pipelines.

[0030] The pump body 21 serves as the main control device, which is used to connect the first pump pipe 22 with the second pump pipe 23, and convey the reaction gas in the combustion chamber 32 connected to the second pump pipe 23 into the reaction tank 31 connected to the first pump pipe 22 through the feed port. It also conveys the ozone generated by the ozone generator 6 into the reaction tank 31 connected to the first pump pipe 22 through the feed port.

[0031] Such as Figure 1 , Figure 3 and Figure 4 As shown, the photomultiplier tube 5 includes a support base 51 and a reaction tube 52. The support base 51 is fixedly connected to the chassis 1, the support base 51 is fixedly connected to the reaction tube 52, the reaction tube 52 is in pipeline communication with the reaction tank 31, and a relief valve is provided on the reaction tube 52.

[0032] The support base 51 serves as the main support, providing support conditions for the reaction tube 52. The reaction tube 52 serves as the main detection device, which is used to detect the content of gas sulfide in the reaction tank 31 after the reaction ends. The relief valve is used to discharge the reaction gas after the detection ends.

[0033] Such as Figure 1 and Figure 4 As shown, the temperature control device 7 includes a temperature control base 71 and a thermostat 72. The temperature control base 71 is fixedly connected to the chassis 1, the temperature control base 71 is fixedly connected to the thermostat 72, the output end of the thermostat 72 is electrically connected to the display 10, and the input end of the thermostat 72 is fixedly connected to the combustion chamber 32 and the reaction tank 31 respectively.

[0034] The temperature control base 71 serves as the installation foundation, providing an installation environment for the thermostat 72. The thermostat 72 controls the temperature of the combustion chamber 32 and the reaction tank 31 according to the temperature conditions set through the display 10.

[0035] Such as Figure 4 and Figure 5 As shown, the solenoid valve 9 includes a valve seat 91, a proportional valve 92, and a circuit board 93. The valve seat 91 is fixedly connected to the chassis 1, the proportional valve 92 is fixedly connected to the valve seat 91, the circuit board 93 is fixedly connected to the proportional valve 92, and an air inlet 921 and an air outlet 922 are provided on the proportional valve 92.

[0036] The valve seat 91 serves as the installation foundation, providing installation conditions. The proportional valve 92 is used to control the flow rate of the reaction gas. The circuit board 93 controls the opening degree of the proportional valve 92. The reaction gas enters from the air inlet 921, the flow rate and the total amount of the reaction gas are controlled by the proportional valve 92, and then exits from the air outlet 922.

[0037] The working principle of the present utility model:

[0038] During the detection process, the power supply 8 is responsible for providing energy, controlling the input of reaction gas through the proportional valve 92, controlling the total amount of reaction gas entering the combustion chamber 32, controlling the temperature and pressure in the combustion chamber 32 through the temperature controller 72 and the pressure transmitter 4, providing suction through the pump body 21, sucking out the gas after the reaction in the combustion chamber 32 and the ozone gas from the ozone generator 6 by the second pump pipe 23, then flowing into the reaction pool 31 from the first pump pipe 22, and finally detecting the content of sulfide in the gas after the final reaction by the reaction pipe 52.

[0039] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0040] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A detection device for sulfide, characterized in that: The detection device includes a chassis (1), a dry vacuum pump (2), a shielding cover (3), a pressure transmitter (4), a photomultiplier tube (5), an ozone generator (6), a temperature control device (7), a power supply (8), an electronic valve (9), and a display (10). The chassis (1) is provided with a plurality of through holes. The chassis (1) is fixedly connected to the dry vacuum pump (2), and the chassis (1) is fixedly connected to the shielding cover (3). A reaction pool (31) is provided inside the shielding cover (3), and a combustion chamber (32) is provided inside the shielding cover (3). The chassis (1) is fixedly connected to the pressure transmitter (4). The output end of the pressure transmitter (4) is electrically connected to the display (10), and the input end of the pressure transmitter (4) is in pipeline communication with the combustion chamber (32) and the reaction pool (31). The chassis (1) is fixedly connected to the photomultiplier tube (5), and the chassis (1) is fixedly connected to the ozone generator (6). The output end of the ozone generator (6) is in pipeline communication with the reaction pool (31) through the dry vacuum pump (2). The chassis (1) is fixedly connected to the temperature control device (7), the chassis (1) is fixedly connected to the power supply (8), the chassis (1) is fixedly connected to the electronic valve (9), and the chassis (1) is fixedly connected to the display (10).

2. The detection device for sulfide according to claim 1, characterized in that: The dry vacuum pump (2) includes a pump body (21), a first pump pipe (22), and a second pump pipe (23). The discharge port of the pump body (21) is in pipeline communication with the first pump pipe (22), and the feed port of the pump body (21) is in pipeline communication with the second pump pipe (23). The first pump pipe (22) is fixedly connected to the chassis (1), and one end of the first pump pipe (22) away from the pump body (21) passes through the through hole on the chassis (1) and is connected to the reaction pool (31). One end of the second pump pipe (23) away from the pump body (21) passes through the through hole on the chassis (1) and is in pipeline communication with the combustion chamber (32) and the ozone generator (6) in sequence. Two feed ports are provided on the second pump pipe (23), and the two feed ports are in pipeline communication with the combustion chamber (32) and the ozone generator (6) respectively.

3. The detection device for sulfide according to claim 1, characterized in that: The photomultiplier tube (5) includes a support base (51) and a reaction tube (52). The support base (51) is fixedly connected to the chassis (1), and the support base (51) is fixedly connected to the reaction tube (52). The input end of the reaction tube (52) is in pipeline communication with the reaction pool (31), and a pressure relief valve is provided on the reaction tube (52).

4. The detection device for sulfide according to claim 1, characterized in that: The temperature control device (7) includes a temperature control base (71) and a temperature controller (72). The temperature control base (71) is fixedly connected to the chassis (1), and the temperature control base (71) is fixedly connected to the temperature controller (72). The output end of the temperature controller (72) is electrically connected to the display (10), and the input end of the temperature controller (72) is fixedly connected to the combustion chamber (32) and the reaction pool (31) respectively.

5. The detection device for sulfide according to claim 1, characterized in that: The electronic valve (9) includes a valve seat (91), a proportional valve (92), and a circuit board (93). The valve seat (91) is fixedly connected to the chassis (1). The proportional valve (92) is fixedly connected to the valve seat (91). The circuit board (93) is fixedly connected to the proportional valve (92). An air inlet (921) and an air outlet (922) are provided on the proportional valve (92).

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