CN213689459U - Gas supply reminding device of gas odorous agent on-line monitoring equipment - Google Patents
Gas supply reminding device of gas odorous agent on-line monitoring equipment Download PDFInfo
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- CN213689459U CN213689459U CN202022187799.3U CN202022187799U CN213689459U CN 213689459 U CN213689459 U CN 213689459U CN 202022187799 U CN202022187799 U CN 202022187799U CN 213689459 U CN213689459 U CN 213689459U
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Abstract
The utility model relates to the technical field of natural gas online monitoring, in particular to an air supplement reminding device of gas odorous agent online monitoring equipment, which comprises a gas source to be detected, a first regulating valve and a pneumatic detection system, wherein the pneumatic detection system comprises a correction standard gas source, a second regulating valve, a first electromagnetic valve, a four-way joint, a second electromagnetic valve, an odorous agent detection mechanism and a third electromagnetic valve, the gas source to be detected is connected with the first regulating valve, the first regulating valve is connected with the third electromagnetic valve, the correction standard gas source is connected with the second regulating valve, the second regulating valve is connected with the first electromagnetic valve, the first electromagnetic valve and the third electromagnetic valve are respectively connected with two interfaces of the four-way joint, the other two interfaces of the four-way joint are respectively connected with the second electromagnetic valve and the odorous agent detection mechanism, when the difference value of the gas pressure value of the correction standard gas relative to the, and prompting production personnel to supplement air in time so as to meet the requirement before next calibration.
Description
Technical Field
The utility model relates to a natural gas on-line monitoring technical field specifically is a tonifying qi reminding device who relates to a gas stink agent on-line monitoring equipment.
Background
The natural gas is colorless and tasteless, if leakage happens, the natural gas is not easy to find, so the state requires that the civil natural gas needs to be added with an odor agent (generally tetrahydrothiophene or other sulfides), instruments used for measuring the content of the odor agent added in the natural gas on the market are mainly handheld, or are directly measured on site by manually contacting a gas source, the operation is troublesome, the reliability is poor, and the natural gas has certain harm to a human body.
The company designs a gas odorant on-line monitoring device, and has obtained patent authorization (authorization number: CN209979538U), the device specifically comprises a bottom plate, a first electromagnetic valve, a second electromagnetic valve, a gas flow controller, a miniature air pump and an odorant detection mechanism are sequentially arranged on the outer wall of the top end of the bottom plate, one end of the first electromagnetic valve and one end of the second electromagnetic valve are respectively connected with a first air inlet pipe and a second air inlet pipe, one end of the second electromagnetic valve, which is far away from the second air inlet pipe, is connected with a three-way joint through a pipeline, one end of the three-way joint is connected with one end of the first electromagnetic valve, which is far away from the first air inlet pipe, the other end of the three-way. This gas odorant on-line monitoring equipment is favorable to promoting the probability of gas and the contact of odorant detection sensor, improves the reliability of testing result, and the first solenoid valve and the second solenoid valve that the cooperation set up are convenient for control to admit air, and degree of automation is high.
When the gas odorant online monitoring equipment is used, the odorant content in standard gas needs to be measured and corrected regularly through odorant detection sensors so as to carry out calibration before measurement, and meanwhile, the gas odorant online monitoring equipment is also used for regularly screening the sensitivity of the odorant detection sensors. Since a certain amount of calibration standard gas is used and consumed for each calibration, the calibration standard gas is used less and less until it is consumed, and then the calibration standard gas needs to be replenished. The existing supplement mode is that production personnel go to the on-site to investigate, check whether the gas in the standard correction gas source needs to be supplemented or not, and ensure that the amount of the correction standard gas can sufficiently meet the requirement of calibrating the odor agent detection sensor before next calibration. Such a replenishing method is time-consuming and labor-consuming, and the labor intensity of the production personnel is high, and meanwhile, the time when the standard gas needs to be replenished cannot be accurately known.
SUMMERY OF THE UTILITY MODEL
For solving above-mentioned technical problem, a gas odorant on-line monitoring equipment's tonifying qi reminding device is provided, this technical scheme has solved that current supplementary standard gas's of correction mode is troublesome, and can't draw accurate replenishment time's problem, the device is through setting up atmospheric pressure detection switch on the second pipeline that the correction standard gas flows out, when the atmospheric pressure value of correcting standard gas is less than certain numerical value for the difference of standard atmospheric pressure value, suggestion producers in time tonify, before guaranteeing next calibration, the volume of correcting standard gas is enough to satisfy the demand of calibration odorant detection sensor.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the gas supplementing reminding device comprises a gas source to be detected, a first regulating valve and a pneumatic detection system, wherein the pneumatic detection system comprises a correction standard gas source, a second regulating valve, a first electromagnetic valve, a four-way joint, a second electromagnetic valve, an odor agent detection mechanism, a third electromagnetic valve and a gas pressure detection switch, the output end of the gas source to be detected is connected with the input end of the first regulating valve, the output end of the first regulating valve is connected with the input end of the third electromagnetic valve through a first pipeline, the output end of the correction standard gas source is connected with the input end of the second regulating valve, the output end of the second regulating valve is connected with the input end of the first electromagnetic valve through a second pipeline, the output end of the first electromagnetic valve and the output end of the third electromagnetic valve are respectively connected with two interfaces of the four-way joint through a third pipeline and a fourth pipeline, the other two interfaces of the four-way joint are respectively connected with the input end of the second electromagnetic valve and the input end of the odor agent detection mechanism through a fifth pipeline and a sixth pipeline, the air pressure detection switch is arranged between the output end of the correction standard air source and the input end of the second regulating valve, and the detection threshold value of the air pressure detection switch is 1.2 Mpa.
Optionally, the first solenoid valve, the second solenoid valve and the third solenoid valve are all one-way solenoid valves.
Optionally, the first solenoid valve, the second solenoid valve and the third solenoid valve are all CYBM2115-08 solenoid valves.
Optionally, the first regulating valve and the second regulating valve respectively regulate the gas pressure values of the gas output by the gas source to be detected and the corrected standard gas source to be higher than a standard atmospheric pressure value.
Optionally, the first regulating valve and the second regulating valve both adopt pressure reducing valves, and respectively regulate the pressure values of the output gases of the gas source to be detected and the calibration standard gas source to be higher than the standard atmospheric pressure value by 0.06 MPa.
Optionally, odor agent detection mechanism includes the shell body, just be equipped with spindle type cavity in the shell body, the shell body is kept away from the screw has been seted up on one side outer wall of sixth pipeline, just screw inner wall spiro union has sensor housing, the one end joint that sensor housing is close to spindle type cavity has odor agent to detect the sensor, all sets up the exhaust hole of intercommunication spindle type cavity on the outer wall of shell body both sides, and the jack has been seted up on the outer wall of sensor housing one side is kept away from to the shell body, the one end of sixth pipeline with the jack is pegged graft, and one side that spindle type cavity is close to sixth pipeline is equipped with hopper-shaped vortex cover, just be equipped with the blowing nozzle that the equidistance is annular distribution on the hopper-shaped vortex cover lateral wall.
Optionally, the odor agent detection sensor is a three-electrode tetrahydrothiophene sensor.
Optionally, the system further comprises a field control cabinet and a server, wherein the field control cabinet is electrically connected with the pneumatic detection system, and the field control cabinet is in wireless connection with the server.
Compared with the prior art, the utility model beneficial effect who has is:
through set up the atmospheric pressure detection switch on the second pipeline that the standard gas that rectifies flows out, can real-time supervision rectify the atmospheric pressure value that the standard gas flows out from the standard gas source of correction, when the atmospheric pressure value of proofreading and correct is less than certain numerical value for the difference of standard atmospheric pressure value, can regard as the standard gas source of correction to lack of gas, suggestion producer in time invigorate qi, before guaranteeing next calibration, the gaseous quantity of proofreading and correct enough the demand that satisfies calibration odor agent detection sensor, through the setting of field control cabinet and server, make producer can the distal end open close and control each components and parts in the pneumatic detecting system, the operation is convenient and fast safety more.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the air pressure detecting switch of the present invention;
fig. 3 is a schematic structural diagram of the middle odor agent detection mechanism of the present invention.
Description of reference numerals:
1-a gas source to be detected;
2-a first regulating valve;
3-a pneumatic detection system; 31-correcting a standard gas source; 32-a second regulating valve; 33-a first solenoid valve; 34-a four-way joint; 35-a second solenoid valve; 36-odor agent detection mechanism; 361-outer shell; 362-a sensor housing; 363-spindle type cavity; 364-vent hole; 365-an odorant detection sensor; 366-air blowing nozzle; 367-bucket-shaped turbulence cover; 37-a third solenoid valve; 38-air pressure detection switch;
4-a field control cabinet;
5-server.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
Referring to fig. 1 and 2, the residual gas discharging device includes a gas source 1 to be detected, a first regulating valve 2, a pneumatic detection system 3, a field control cabinet 4 and a server 5, the pneumatic detection system 3 includes a calibration standard gas source 31, a second regulating valve 32, a first electromagnetic valve 33, a four-way joint 34, a second electromagnetic valve 35, an odor agent detection mechanism 36, a third electromagnetic valve 37 and a gas pressure detection switch 38, an output end of the gas source 1 to be detected is connected with an input end of the first regulating valve 2, an output end of the first regulating valve 2 is connected with an input end of the third electromagnetic valve 37 through a first pipeline, an output end of the calibration standard gas source 31 is connected with an input end of the second regulating valve 32, an output end of the second regulating valve 32 is connected with an input end of the first electromagnetic valve 33 through a second pipeline, an output end of the first electromagnetic valve 33 and an output end of the third electromagnetic valve 37 are respectively connected with two interfaces of the four-, the other two interfaces of the four-way joint 34 are respectively connected with the input end of the second electromagnetic valve 35 and the input end of the odor agent detection mechanism 36 through a fifth pipeline and a sixth pipeline, the air pressure detection switch 38 is arranged between the output end of the correction standard air source 31 and the input end of the second regulating valve 32, the detection threshold value set by the air pressure detection switch 38 is 1.2Mpa, namely when the air pressure detection switch 38 detects that the difference value of the correction standard air in the second pipeline relative to the standard atmospheric pressure is less than 0.2Mpa, an air shortage signal can be sent to the server 5 through the field control cabinet 5, and production personnel is prompted to supplement the correction standard air or replace the correction standard air source 31. The field control cabinet 4 is electrically connected with the pneumatic detection system 3, and the field control cabinet 4 is wirelessly connected with the server 5. The field control cabinet 4 and the server 5 are arranged, so that production personnel can open and close the pneumatic detection system 3 at a far end and control all components in the pneumatic detection system, and the operation is more convenient, faster and safer.
In the present embodiment, the first solenoid valve 33, the second solenoid valve 35, and the third solenoid valve 37 are all one-way solenoid valves, and CYBM2115-08 solenoid valves are used.
In the present embodiment, the first regulating valve 2 and the second regulating valve 32 respectively regulate the gas pressure values of the output gases of the gas source to be detected 1 and the calibration standard gas source 31 to be higher than the standard atmospheric pressure value. Further, the first regulating valve 2 and the second regulating valve 32 both adopt pressure reducing valves, the air pressure value of the gas in the gas source 1 to be detected is 16MPa, the air pressure value of the gas in the standard gas source 31 to be corrected is 1MPa, and the residual gas discharging device respectively regulates the air pressure values of the gas output by the gas source 1 to be detected and the standard gas source 31 to be corrected to be higher than the standard atmospheric pressure value (0.1MPa) by 0.06MPa through the gas source 1 to be detected and the second regulating valve 32.
Referring to fig. 3, the odor detection mechanism 36 includes an outer casing 361, a spindle-shaped cavity 363 is disposed in the outer casing 361, a screw hole is disposed on an outer wall of one side of the outer casing away from the sixth pipeline, a sensor housing 362 is screwed to an inner wall of the screw hole, an odor detection sensor 365 is fastened to an end of the sensor housing 362 close to the spindle-shaped cavity 363, and in this embodiment, the odor detection sensor 365 is a three-electrode tetrahydrothiophene sensor. The outer walls of two sides of the outer shell 361 are provided with exhaust holes 364 communicated with the spindle-shaped cavity 363, the outer wall of one side, away from the sensor shell 362, of the outer shell 361 is provided with a jack, one end of the sixth pipeline is connected with the jack in an inserting mode, one side, close to the sixth pipeline, of the spindle-shaped cavity 362 is provided with a bucket-shaped turbulence cover 367, the side wall of the bucket-shaped turbulence cover 367 is provided with blowing nozzles 366 which are distributed annularly at equal intervals, and the blowing nozzles 366 are connected with air pumps.
Odor agent detection mechanism 36 is favorable to promoting the probability that gas and odor agent detect sensor 365 contact through setting up hopper-shaped vortex cover 367, improves the reliability of testing result, and the rethread sets up blowing mouth 366, cooperates outside air pump (can be miniature air pump), conveniently clears up the maintenance to odor agent detect sensor 365 surface, and easy operation is favorable to keeping odor agent detect sensor 365's sensitivity for the testing result is more reliable.
The utility model discloses a theory of operation:
through set up atmospheric pressure detection switch 38 on the second pipeline that the standard gas that rectifies flows out, can real-time supervision rectify the atmospheric pressure value that the standard gas flows out from rectifying standard air supply 31, when the atmospheric pressure value of rectifying standard gas is less than certain numerical value for the difference of standard atmospheric pressure value, can regard as and rectify standard air supply 31 and lack of gas, suggestion producer in time invigorates qi, before guaranteeing next calibration, the volume of rectifying standard gas is enough to satisfy the demand of calibration odorant detection sensor 365, setting through field control cabinet 4 and server 5, make producer can the distal end open and close and control each components and parts in the pneumatic detection system 3, the operation is convenient and fast safety more.
This device realizes through following step the utility model discloses a function, and then solved the utility model provides a technical problem:
step one, preparation before inspection: closing the gas source 1 to be detected and the standard gas source 31 to be corrected, checking whether the installation of each pipeline and each valve body is finished and whether the pipeline and the valve body are damaged, replacing damaged components in time, and setting parameters of the valve body;
step two, calibrating before measurement: opening a correction standard gas source 31 and a second regulating valve 32, reducing the pressure of correction standard gas flowing out of the correction standard gas source 31 through the second regulating valve 32, then entering a second pipeline, opening a first electromagnetic valve 33, enabling the reduced pressure correction standard gas to enter an odor agent detection mechanism 36 along a third pipeline and a four-way joint 34, keeping the correction standard gas in the correction standard gas source 31 flowing out according to a set flow rate, when the correction standard gas enters a cavity in an outer shell 361, receiving a feedback signal of an odor agent detection sensor 365 by a microprocessor in the field control cabinet 4, correcting and correcting a measurement coefficient of a correction system, and after the correction is finished, closing the correction standard gas source 31, the second regulating valve 32 and the first electromagnetic valve 33;
when the calibration is carried out before the measurement, the air pressure detection switch 38 can detect the air pressure value of the calibration standard gas in the second pipeline in real time, and when the air pressure detection switch 38 detects that the difference value of the calibration standard gas in the second pipeline relative to the standard atmospheric pressure is less than 0.2Mpa, an air shortage signal can be sent to the server 5 through the field control cabinet 5 to prompt a producer to supplement the calibration standard gas or replace the calibration standard gas source 31;
step three, standard gas evacuation is corrected: opening the second electromagnetic valve 35, wherein the pressure value of the decompressed correction standard gas is still higher than the standard atmospheric pressure value, so that the correction standard gas remained in the sixth pipeline and the third pipeline can be discharged from the second electromagnetic valve 35 along the fifth pipeline, the opening time of the second electromagnetic valve 35 is set, the second electromagnetic valve 35 is closed after the specified time is reached, the residual correction standard gas is emptied, and the accuracy of the measurement result of the subsequent gas to be detected is ensured;
step four, measuring a gas source to be detected: opening an air source 1 to be detected and a first regulating valve 2, reducing the pressure of the gas to be detected flowing out from the air source 1 to be detected through the first regulating valve 2, then entering a first pipeline, periodically opening a third electromagnetic valve 37 by a microprocessor in a field control cabinet 4 according to a set measuring period, entering the gas to be detected after the pressure is reduced into an odor agent detecting mechanism 36 along a fourth pipeline and a four-way joint 34, keeping the gas to be detected in the air source 1 to be detected flowing out according to a set flow, when the gas to be detected enters a cavity in a 361 outer shell, receiving a feedback signal of an odor agent detecting sensor 365 by the microprocessor in the field control cabinet 4, detecting the content data of the odor agent in the air source 1 to be detected, wirelessly transmitting the detection data to a server 5 through the field control cabinet 4, if the measured value exceeds a preset content standard, sending an alarm signal to the server 5 by the field control cabinet 4, after the measurement is finished, closing the gas source 1 to be detected, the first regulating valve 2 and the third electromagnetic valve 37;
step five, emptying the gas to be detected: and opening the second electromagnetic valve 35, wherein the air pressure value of the gas to be detected after decompression is still higher than the standard atmospheric pressure value, so that the correction standard gas remained in the sixth pipeline and the fourth pipeline can be discharged from the second electromagnetic valve 35 along the fifth pipeline, the opening time of the second electromagnetic valve 35 is set, the second electromagnetic valve 35 is closed after the specified time is reached, the residual gas to be detected is emptied, and the calibration accuracy before the next measurement is ensured.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The gas supplementing reminding device of the gas odorous agent on-line monitoring equipment is characterized by comprising a gas source (1) to be detected, a first regulating valve (2) and a pneumatic detection system (3), wherein the pneumatic detection system (3) comprises a correction standard gas source (31), a second regulating valve (32), a first electromagnetic valve (33), a four-way joint (34), a second electromagnetic valve (35), an odorous agent detection mechanism (36), a third electromagnetic valve (37) and a pneumatic detection switch (38), the output end of the gas source (1) to be detected is connected with the input end of the first regulating valve (2), the output end of the first regulating valve (2) is connected with the input end of the third electromagnetic valve (37) through a first pipeline, the output end of the correction standard gas source (31) is connected with the input end of the second regulating valve (32), the output end of the second regulating valve (32) is connected with the input end of the first electromagnetic valve (33) through a second pipeline, the output of first solenoid valve (33) and the output of third solenoid valve (37) respectively through third pipeline and fourth pipeline with wherein two interface connection of four-way connection (34), two other interfaces of four-way connection (34) are respectively through fifth pipeline and sixth pipeline, with the input of second solenoid valve (35) with the input of odorant detection mechanism (36) is connected, is equipped with between the output of correction standard air supply (31) and the input of second governing valve (32) atmospheric pressure detection switch (38), and atmospheric pressure detection switch (38) detect the threshold value and be 1.2 Mpa.
2. The gas supplementing reminding device of the gas odorous agent on-line monitoring equipment according to claim 1, wherein the first solenoid valve (33), the second solenoid valve (35) and the third solenoid valve (37) are all one-way solenoid valves.
3. The gas supplementing reminding device of the gas odorous agent on-line monitoring equipment as claimed in claim 2, wherein the models of the first solenoid valve (33), the second solenoid valve (35) and the third solenoid valve (37) are CYBM2115-08 solenoid valves.
4. The gas supplementing reminding device of the gas odorous agent on-line monitoring equipment according to claim 1, wherein the first regulating valve (2) and the second regulating valve (32) respectively regulate the gas pressure values of the output gases of the gas source to be detected (1) and the corrected standard gas source (31) to be higher than a standard atmospheric pressure value.
5. The gas supplementing reminding device of the gas odorous agent on-line monitoring equipment as claimed in claim 4, wherein the first regulating valve (2) and the second regulating valve (32) both adopt pressure reducing valves, and respectively regulate the pressure values of the output gases of the gas source to be detected (1) and the calibration standard gas source (31) to be higher than the standard atmospheric pressure value by 0.06 MPa.
6. The gas supplementing reminding device of the gas odoriferous agent on-line monitoring equipment as claimed in claim 1, wherein the odoriferous agent detection mechanism (36) comprises an outer shell (361), a spindle-shaped cavity (363) is arranged in the outer shell (361), a screw hole is formed in the outer wall of one side of the outer shell, which is away from the sixth pipeline, a sensor housing (362) is screwed in the inner wall of the screw hole, an odoriferous agent detection sensor (365) is fastened to one end of the sensor housing (362) which is close to the spindle-shaped cavity (363), exhaust holes (364) communicated with the spindle-shaped cavity (363) are formed in the outer wall of both sides of the outer shell (361), a jack is formed in the outer wall of one side of the outer shell (361), which is away from the sensor housing (362), one end of the sixth pipeline is connected with the jack, and a bucket-shaped spoiler cover (367) is arranged on one, and the side wall of the bucket-shaped turbulence cover (367) is provided with air blowing nozzles (366) which are distributed annularly at equal intervals, and the air blowing nozzles (366) are connected with air pumps.
7. The gas supplementing reminding device of the gas odoriferous agent on-line monitoring equipment as claimed in claim 6, wherein the odoriferous agent detection sensor (365) is a three-electrode tetrahydrothiophene sensor.
8. The gas supplementing reminding device of the gas odorous agent on-line monitoring equipment according to claim 1, further comprising a field control cabinet (4) and a server (5), wherein the field control cabinet (4) is electrically connected with the pneumatic detection system (3), and the field control cabinet (4) is wirelessly connected with the server (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022187799.3U CN213689459U (en) | 2020-09-29 | 2020-09-29 | Gas supply reminding device of gas odorous agent on-line monitoring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022187799.3U CN213689459U (en) | 2020-09-29 | 2020-09-29 | Gas supply reminding device of gas odorous agent on-line monitoring equipment |
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| Publication Number | Publication Date |
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| CN213689459U true CN213689459U (en) | 2021-07-13 |
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| CN202022187799.3U Active CN213689459U (en) | 2020-09-29 | 2020-09-29 | Gas supply reminding device of gas odorous agent on-line monitoring equipment |
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| CN (1) | CN213689459U (en) |
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- 2020-09-29 CN CN202022187799.3U patent/CN213689459U/en active Active
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