CN221076188U - Gas odorizing control device - Google Patents
Gas odorizing control device Download PDFInfo
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- CN221076188U CN221076188U CN202322989354.0U CN202322989354U CN221076188U CN 221076188 U CN221076188 U CN 221076188U CN 202322989354 U CN202322989354 U CN 202322989354U CN 221076188 U CN221076188 U CN 221076188U
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- storage tank
- gas
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- odorizing
- dosing pump
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- 239000003795 chemical substances by application Substances 0.000 claims abstract description 76
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 238000002347 injection Methods 0.000 claims abstract description 16
- 239000007924 injection Substances 0.000 claims abstract description 16
- 239000003381 stabilizer Substances 0.000 claims abstract description 13
- 230000001960 triggered effect Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 62
- 238000012937 correction Methods 0.000 description 3
- 230000009123 feedback regulation Effects 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 206010017740 Gas poisoning Diseases 0.000 description 1
- 208000005374 Poisoning Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
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- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The utility model discloses a gas odorizing control device, which belongs to the field of gas odorizing, and comprises a first storage tank, a second storage tank, a dosing pump and a controller, wherein the first storage tank and the second storage tank are connected in parallel, a liquid inlet of the dosing pump is connected with a rotor meter through a pipeline, the rotor meter is respectively connected with liquid outlets of the first storage tank and the second storage tank, the dosing pump is sequentially connected with a one-way valve, a current stabilizer and an injection valve through a pipeline, and a liquid outlet of the injection valve is connected with a gas pipeline; the gas pipeline is connected with a flowmeter and a concentration meter, and the flowmeter, the injection valve and the concentration meter are sequentially arranged along the gas conveying direction of the gas pipeline, and the dosing pump, the flowmeter and the concentration meter are electrically connected with the controller. The utility model can realize continuous non-stop supply of the odorizing agent and improve the stability and safety of the odorizing agent supply and the accuracy of the gas odorizing proportion.
Description
Technical Field
The utility model relates to the technical field of gas odorization, in particular to a gas odorization control device.
Background
Because town gas has the characteristics of inflammability, explosiveness and toxicity, in a relatively closed gas environment, once the gas leaks, accidents such as gas poisoning and explosion are easily caused, and the like, the gas brings threats to personnel and public safety. In order to prevent and reduce the occurrence of serious accidents such as poisoning, explosion and the like which cannot be found in time due to gas leakage, town gas is required to be odorized. The gas odorization has positive effects on the safe supply and use of the gas. The odor agent is added into the fuel gas, so that if the fuel gas leaks in the process of transportation and distribution or use, the odor agent can be timely perceived by staff or users. The occurrence of gas leakage safety accidents is reduced through timely treatment such as rush repair. Has positive effects on ensuring safe air supply and air utilization.
The prior Chinese patent with publication number of CN103629532A discloses an automatic gas odorizing device, which comprises a flowmeter, an electric control flow valve and a liquid filling tank connected with two ends of the electric control flow valve in parallel, wherein the flowmeter and the electric control flow valve are sequentially connected on a gas pipeline in series; the bottom of the liquid filling tank is connected with a liquid filling pipe, the liquid filling pipe is connected with the odor agent storage tank, and an electric control pump is arranged on the liquid filling pipe.
In view of the above-described conventional techniques, the inventors considered that when the odorizing agent in the odorizing agent tank is about to be consumed, the worker needs to stop the machine to replenish the odorizing agent or to supply the odorizing agent to the gas pipe while replenishing the odorizing agent, and it is difficult to continuously supply the odorizing agent or cause the odorizing agent supply flow rate to be unstable, and the accuracy of the gas odorizing ratio is lowered.
Disclosure of utility model
The utility model aims to provide a gas odorizing control device which can realize continuous non-stop supply of odorizing agent and improve the stability, safety and accuracy of odorizing agent supply.
In order to achieve the above purpose, the utility model provides a gas odorizing control device, which comprises a first storage tank, a second storage tank, a dosing pump and a controller, wherein the first storage tank and the second storage tank are connected in parallel through a pipeline, a liquid inlet of the dosing pump is connected with a rotor meter through a pipeline, the rotor meter is respectively connected with liquid outlets at the bottoms of the first storage tank and the second storage tank, the liquid outlet of the dosing pump is sequentially connected with a one-way valve, a current stabilizer and an injection valve through a pipeline, and the liquid outlet of the injection valve is connected with a gas pipeline; the gas pipeline is connected with a flowmeter and a concentration meter, the flowmeter, the injection valve and the concentration meter are sequentially arranged along the gas conveying direction of the gas pipeline, the flowmeter is used for detecting the gas flow, the concentration meter is used for detecting the concentration of the odorizing agent after gas mixing, and the dosing pump, the flowmeter and the concentration meter are electrically connected with the controller.
Further, electromagnetic liquid level meters are arranged on the first storage tank and the second storage tank, the electromagnetic liquid level meters are used for detecting the reserves of odorizing agents in the first storage tank and the second storage tank, and the electromagnetic liquid level meters are connected with alarms; and triggering an alarm when the storage amount of the odorizing agent in the first storage tank or the second storage tank is lower than 10%.
Further, be provided with the pressure valve between charge pump and the check valve, be provided with the manometer on the pressure valve, the liquid outlet of charge pump is connected with the return line, the one end of keeping away from the charge pump of return line divides into two ways, is connected with the return valve at first storage tank and second storage tank top respectively.
Further, the roof of first storage tank and second storage tank all is connected with feed liquor valve and breather valve, the bottom of first storage tank and second storage tank is connected with the blowoff valve.
Further, a filter and a first switching valve are sequentially connected to a pipeline on one side of the rotor meter, which is far away from the dosing pump, a switching pipeline is connected in parallel between the filter and the first switching valve, and a second switching valve is connected to the switching pipeline.
The utility model has the beneficial effects that:
The utility model realizes continuous supply of the odorizing agent, does not need to stop machine to supplement the odorizing agent or supplement the odorizing agent and simultaneously supply the odorizing agent to the gas pipeline, thereby ensuring that the supply of the odorizing agent is more stable and the operation is safer. Wherein the one-way valve plays a role in the check of the odorizing agent; the flow stabilizer plays a role in stabilizing the flow rate of the odorizing agent conveyed into the gas pipeline, and the pulse type odorizing agent is converted into stable continuous addition, so that the gas and the odorizing agent are mixed more uniformly and fully; in addition, when the storage tank is switched, the current stabilizer also has the problem of odorizing agent supply flow fluctuation caused by stable switching of the storage tank;
The controller transmits pulse signals to the dosing pump through the gas flow obtained by the flow meter, and controls the dosage of the odorizing agent transmitted by the dosing pump to realize accurate odorizing; the gas and the odorizing agent are mixed and then pass through a concentration meter, the concentration meter is used for detecting the concentration of the odorizing agent in the gas, and if the mixed odorizing agent in the gas does not meet the set content requirement, the signal of the concentration meter is transmitted to a dosing pump through a controller to carry out feedback regulation and correction, so that the accuracy of controlling the odorizing amount of the gas is further improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
In the figure, 1, a first storage tank; 11. an electromagnetic level gauge; 12. a liquid outlet valve; 13. a return valve; 14. a liquid inlet valve; 15. a blow-down valve; 16. a respiratory valve; 2. a second storage tank; 3. a filter; 31. a first switching valve; 32. a second switching valve; 33. switching the pipeline; 4. a rotor gauge; 5. a dosing pump; 51. a one-way valve; 52. a current stabilizer; 53. an injection valve; 6. a return line; 61. a pressure valve; 62. a pressure gauge; 7. a controller; 71. a flow meter; 72. a concentration meter; 8. a gas line.
Description of the embodiments
The present utility model will be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic views illustrating the basic structure of the present utility model by way of illustration only, and thus show only the constitution related to the present utility model.
Referring to fig. 1, a gas odorizing control device includes a first tank 1, a second tank 2, a dosing pump 5, and a controller 7. The first storage tank 1 and the second storage tank 2 are connected in parallel through pipelines, and liquid outlet valves 12 are connected to the bottoms of the first storage tank 1 and the second storage tank 2. In the embodiment, the dosing pump 5 adopts an electromagnetic diaphragm type plunger metering pump, the movement stroke of a plunger is mechanically locked, and the output quantity is kept stable, so that the gas odorization proportion is more accurate. The liquid inlet of the dosing pump 5 is connected with a rotor meter 4 through a pipeline, the rotor meter 4 is respectively connected with liquid outlet valves 12 at the bottoms of the first storage tank 1 and the second storage tank 2, the liquid outlet of the dosing pump 5 is sequentially connected with a one-way valve 51, a current stabilizer 52 and an injection valve 53 through a pipeline, and the liquid outlet of the injection valve 53 is connected with a gas pipeline 8.
The two storage tanks of the gas odorizing device are arranged, when gas odorizing is carried out, the liquid outlet valve 12 of the second storage tank 2 is in a closed state initially, the liquid outlet valve 12 of the first storage tank 1 is opened, odorizing agent enters the dosing pump 5 through the rotor meter 4, and enters the gas pipeline 8 to be mixed with gas under the conveying action of the dosing pump 5 through the one-way valve 51, the current stabilizer 52 and the injection valve 53 in sequence, so that odorizing is carried out. When the odorizing agent in the first storage tank 1 is conveyed to the set residual reserve, the storage tank is closed, the liquid outlet valve 12 of the second storage tank 2 is opened to switch the storage tanks, and meanwhile the first storage tank 1 is supplemented with the odorizing agent, so that continuous supply of the odorizing agent is realized, shutdown for supplementing the odorizing agent is not needed, or the odorizing agent is supplied to the gas pipeline 8 while supplementing the odorizing agent, so that the supply of the odorizing agent is more stable, and the operation is safer. Wherein the one-way valve 51 functions as a odorizing agent check; the flow stabilizer 52 plays a role in stabilizing the flow rate of the odorizing agent conveyed into the gas pipeline 8, and converts the pulse type odorizing agent into stable continuous addition, so that the gas and the odorizing agent are mixed more uniformly and fully; in addition, when the tank is switched, the stabilizer 52 also causes a problem of fluctuation in the odorizing agent supply flow rate due to smooth switching of the tank.
Referring to fig. 1, an electromagnetic liquid level meter 11 is arranged on each of a first storage tank 1 and a second storage tank 2, the electromagnetic liquid level meter 11 is used for detecting the storage amount of odorizing agent in the first storage tank 1 and the second storage tank 2, and the electromagnetic liquid level meter 11 is connected with an alarm; when the content of the odorizing agent in the first storage tank 1 or the second storage tank 2 is lower than 10%, an alarm is triggered to remind a worker to switch the storage tanks and supplement the odorizing agent. The top wall of the first storage tank 1 and the top wall of the second storage tank 2 are respectively connected with a liquid inlet valve 14 and a breather valve 16, the odorizing agent is supplemented through the liquid inlet valve 14, the breather valve 16 is used for guaranteeing that the pressure in the storage tank is kept stable, and the bottoms of the first storage tank 1 and the second storage tank 2 are connected with a drain valve 15.
Referring to fig. 1, a flow meter 71 and a concentration meter 72 are connected to the gas line 8, the flow meter 71, the injection valve 53 and the concentration meter 72 are sequentially disposed along the gas conveying direction of the gas line 8, the flow meter 71 is used for detecting the gas flow, the concentration meter 72 is used for detecting the concentration of the odorizing agent after the gas is mixed, and the dosing pump 5, the flow meter 71 and the concentration meter 72 are electrically connected to the controller 7. The controller 7 transmits pulse signals to the dosing pump 5 through the gas flow obtained by the flowmeter 71, controls the dosage of the odorizing agent transmitted by the dosing pump 5, ensures that the mixing proportion between the gas and the odorizing agent meets the industry standard, and realizes accurate odorizing. The gas and the odorizing agent are mixed and then pass through the concentration meter 72, the concentration meter 72 is used for detecting the concentration of the odorizing agent in the gas, and if the mixed odorizing agent in the gas does not meet the set content requirement, the signal of the concentration meter 72 is transmitted to the dosing pump 5 through the controller 7 for feedback regulation and correction, so that the accuracy of controlling the odorizing agent in the gas is further improved.
Referring to fig. 1, a pressure valve 61 is provided between a dosing pump 5 and a check valve 51, a pressure gauge 62 is provided on the pressure valve 61, a liquid outlet of the dosing pump 5 is connected with a return line 6, and one end of the return line 6, which is far away from the dosing pump 5, is divided into two paths, and is respectively connected with return valves 13 at the tops of a first storage tank 1 and a second storage tank 2. The pressure valve 61 is used for monitoring the delivery pressure of the dosing pump 5, and when the pressure is too high, the reflux valve 13 at the top of the first storage tank 1 or the second storage tank 2 in the corresponding state is opened to reflux the odorizing agent into the corresponding storage tank.
Referring to fig. 1, a filter 3 and a first switching valve 31 are sequentially connected to a pipe on a side of the rotor meter 4 remote from the dosing pump 5, a switching pipe 33 is connected in parallel between the filter 3 and the first switching valve 31, and a second switching valve 32 is connected to the switching pipe 33. The filter 3 filters impurities in the odorizing agent to prevent the impurities from polluting the dosing pump 5, causing damage to the dosing pump 5. The arrangement of the switching pipeline 33 facilitates the replacement of the filter element in the filter 3, the first switching valve 31 is opened in a normal state, the second switching valve 32 is closed, when the filter element in the filter 3 needs to be replaced, the first switching valve 31 is closed, the second switching valve 32 is opened, and the odorizing agent circulates from the switching pipeline 33, so that the filter element of the filter 3 is replaced without stopping, and the continuous supply of the odorizing agent is ensured.
The working principle of the gas odorizing control device is as follows: the liquid outlet valve 12 of the second storage tank 2 is in a closed state at the beginning, the liquid outlet valve 12 of the first storage tank 1 is opened, the odorizing agent sequentially passes through the filter 3 and the rotor meter 4 to enter the dosing pump 5, the dosing pump 5 is more controlled by a control signal of the controller 7 to convey a proper amount of odorizing agent, and the odorizing agent sequentially passes through the pressure valve 61, the one-way valve 51, the flow stabilizer 52 and the injection valve 53 to enter the gas pipeline 8 to be mixed with the gas for odorizing. When the odorizing agent in the first storage tank 1 is conveyed to the set residual reserve, the first storage tank 1 is closed, the liquid outlet valve 12 of the second storage tank 2 is opened, the storage tanks are switched, meanwhile, the odorizing agent is supplemented for the first storage tank 1, further, continuous supply of the odorizing agent is achieved, shutdown is not needed, or the odorizing agent is supplemented while being supplied to the gas pipeline 8, so that the odorizing agent is supplied more stably, and the operation is safer. The flow stabilizer 52 plays a role in stabilizing the flow rate of the odorizing agent conveyed into the gas pipeline 8, and converts the pulse type odorizing agent into stable continuous addition, so that the gas and the odorizing agent are mixed more uniformly and fully; in addition, when the tank is switched, the stabilizer 52 also causes a problem of fluctuation in the supply flow rate due to smooth switching of the tank. When the concentration detection gas odorizing agent concentration does not meet the set content requirement, the controller 7 controls the dosing pump 5 to perform feedback regulation and correction on the odorizing agent delivery quantity, so that the accuracy of the gas odorizing agent control is further improved.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (5)
1. A gas odorizing control device, which is characterized in that: the liquid injection device comprises a first storage tank (1), a second storage tank (2), a dosing pump (5) and a controller (7), wherein the first storage tank (1) and the second storage tank (2) are connected in parallel through a pipeline, a liquid inlet of the dosing pump (5) is connected with a rotor meter (4) through a pipeline, the rotor meter (4) is respectively connected with liquid outlets at the bottoms of the first storage tank (1) and the second storage tank (2), the liquid outlets of the dosing pump (5) are sequentially connected with a one-way valve (51), a current stabilizer (52) and an injection valve (53) through pipelines, and the liquid outlet of the injection valve (53) is connected with a gas pipeline (8); the gas pipeline (8) is connected with a flowmeter (71) and a concentration meter (72), the flowmeter (71), the injection valve (53) and the concentration meter (72) are sequentially arranged along the gas conveying direction of the gas pipeline (8), the flowmeter (71) is used for detecting the gas flow, the concentration meter (72) is used for detecting the concentration of the odorizing agent after gas mixing, and the dosing pump (5), the flowmeter (71) and the concentration meter (72) are electrically connected with the controller (7).
2. The gas odorizing control device of claim 1, characterized in that: electromagnetic liquid level meters (11) are arranged on the first storage tank (1) and the second storage tank (2), the electromagnetic liquid level meters (11) are used for detecting the reserves of odorizing agents in the first storage tank (1) and the second storage tank (2), and the electromagnetic liquid level meters (11) are connected with alarms; when the storage amount of the odorizing agent in the first storage tank (1) or the second storage tank (2) is lower than 10%, an alarm is triggered.
3. The gas odorizing control device of claim 1, characterized in that: be provided with pressure valve (61) between dosing pump (5) and check valve (51), be provided with manometer (62) on pressure valve (61), the liquid outlet of dosing pump (5) is connected with return line (6), the one end of keeping away from dosing pump (5) of return line (6) divide into two ways, are connected with return valve (13) at first storage tank (1) and second storage tank (2) top respectively.
4. A gas odorizing control device as defined in claim 3, characterized by: the top wall of the first storage tank (1) and the top wall of the second storage tank (2) are respectively connected with a liquid inlet valve (14) and a breather valve (16), and the bottoms of the first storage tank (1) and the second storage tank (2) are connected with a drain valve (15).
5. A gas odorizing control device as defined in any one of claims 1-4, characterized by: the rotor metering device is characterized in that a filter (3) and a first switching valve (31) are sequentially connected to a pipeline on one side, far away from the dosing pump (5), of the rotor metering device (4), a switching pipeline (33) is connected between the filter (3) and the first switching valve (31) in parallel, and a second switching valve (32) is connected to the switching pipeline (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322989354.0U CN221076188U (en) | 2023-11-07 | 2023-11-07 | Gas odorizing control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322989354.0U CN221076188U (en) | 2023-11-07 | 2023-11-07 | Gas odorizing control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221076188U true CN221076188U (en) | 2024-06-04 |
Family
ID=91267123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322989354.0U Active CN221076188U (en) | 2023-11-07 | 2023-11-07 | Gas odorizing control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221076188U (en) |
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- 2023-11-07 CN CN202322989354.0U patent/CN221076188U/en active Active
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