CN221063147U - Venturi tube flash rust-proof agent filling device - Google Patents
Venturi tube flash rust-proof agent filling device Download PDFInfo
- Publication number
- CN221063147U CN221063147U CN202322754455.XU CN202322754455U CN221063147U CN 221063147 U CN221063147 U CN 221063147U CN 202322754455 U CN202322754455 U CN 202322754455U CN 221063147 U CN221063147 U CN 221063147U
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- venturi
- flowmeter
- pipeline
- flash rust
- medicament
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 31
- 239000003814 drug Substances 0.000 claims abstract description 20
- 229910001369 Brass Inorganic materials 0.000 claims description 4
- 239000010951 brass Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 2
- 230000003449 preventive effect Effects 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000010276 construction Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Landscapes
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The utility model relates to a venturi tube flash rust preventive agent filling device, which comprises: a venturi jet; one end of the venturi flowmeter is connected with the output end of the venturi jet device, and the other end of the venturi flowmeter is connected with the high-pressure pipeline; one end of the medicament flowmeter is connected with the Venturi ejector through a pipeline, and the other end of the medicament flowmeter is connected with the medicament storage tank through a pipeline; the control valve is arranged on a pipeline between the medicament flowmeter and the Venturi ejector; and the differential pressure calculator is respectively connected with the inlet end of the Venturi flowmeter and the necking part through pipelines and calculates the differential pressure between the inlet end and the necking part. According to the scheme of the utility model, under the action of high-speed fluid, negative pressure is generated at the necking position, the flash rust agent is automatically sucked into the pipeline to be fully mixed, and the opening of the valve is adjusted through the degree of the flowmeter, so that the adjustment of the filling concentration of the agent is realized. Simple structure, work efficiency is high, has solved the even stable filling problem of anti-flash rust agent. The device is safe and reliable, and can be used in areas with high explosion-proof requirements in the oil and gas industry.
Description
Technical Field
The utility model relates to the technical field of steel structure external anti-corrosion coating high-pressure water rust removal surface treatment, in particular to a venturi tube flash rust inhibitor filling device.
Background
Along with the progress of the process and the enhancement of environmental awareness, the high-pressure water rust removal technology is gradually replacing the traditional high-pollution low-efficiency rust removal technology. The water for rust removal usually needs to be filled with a trace amount of anti-flash rust agent to eliminate the problem of rapid rust on the surface of clean steel, so that the construction quality is improved.
In order to facilitate transportation and adapt to more construction sites, high-pressure water rust removal equipment often needs skid-mounted treatment, a rust removal water buffer tank is small, the retention time in the buffer tank after filling the anti-flash rust agent is short, the agent and water are insufficiently mixed, the concentration of the anti-flash rust agent in a part of rust removal area is possibly too low, the metal matrix is subjected to flash rust, and the construction quality and the progress are affected.
Disclosure of utility model
The utility model aims to solve at least one technical problem in the background art and provides a venturi tube flash rust prevention agent filling device.
In order to achieve the above object, the present utility model provides a venturi anti-flash rust agent filling device, comprising:
A venturi jet;
One end of the venturi flowmeter is connected with the output end of the venturi jet device, and the other end of the venturi flowmeter is connected with a high-pressure pipeline;
One end of the medicament flowmeter is connected with the venturi jet device through a pipeline, and the other end of the medicament flowmeter is connected with the medicament storage tank through a pipeline;
The control valve is arranged on a pipeline between the medicament flowmeter and the Venturi ejector;
And the differential pressure calculator is respectively connected with the inlet end of the Venturi flowmeter and the necking part through pipelines and used for calculating the differential pressure between the inlet end and the necking part.
According to one aspect of the utility model, the outer wall of the inlet end and the outer wall of the necking part of the venturi flowmeter are provided with connecting branch pipes, and the connecting branch pipes are communicated with the inner pipeline of the venturi flowmeter.
According to one aspect of the utility model, the differential pressure calculator is a differential pressure gauge or a U-tube.
According to one aspect of the utility model, the control valve ball valve, butterfly valve or pinch valve.
According to one aspect of the utility model, the medicament flow meter
Is a rotameter, a dual rotameter or an elliptic gear flowmeter.
According to one aspect of the utility model, the venturi jet and the venturi flow meter are made of brass or stainless steel.
According to one aspect of the utility model, a venturi anti-flash rust agent filling device comprises: a venturi jet; one end of the venturi flowmeter is connected with the output end of the venturi jet device, and the other end of the venturi flowmeter is connected with the high-pressure pipeline; one end of the medicament flowmeter is connected with the Venturi ejector through a pipeline, and the other end of the medicament flowmeter is connected with the medicament storage tank through a pipeline; the control valve is arranged on a pipeline between the medicament flowmeter and the Venturi ejector; and the differential pressure calculator is respectively connected with the inlet end of the Venturi flowmeter and the necking part through pipelines and calculates the differential pressure between the inlet end and the necking part. So set up, can make venturi ejector one end pass through threaded connection force (forcing) pump high pressure water export, the other end passes through threaded connection venturi flowmeter, and its lower extreme passes through little branch connection control valve. Thus, when the high-speed rust removing water flows through the necking position of the venturi jet device, the flow speed is increased due to the reduction of the caliber of the pipeline, so that the pressure is reduced to form negative pressure, and the negative pressure is used as power to suck the flash rust preventing agent stored in the agent storage tank through the small branch pipe at the lower end.
According to one scheme of the utility model, the outer wall of the inlet end of the venturi flowmeter and the outer wall of the necking part are provided with connecting branch pipes which are communicated with an internal pipeline of the venturi flowmeter. The differential pressure calculator is a differential pressure meter or a U-shaped pipe. So set up, can make one end at venturi flowmeter pass through threaded connection venturi ejector, the other end passes through on the basis of threaded connection high pressure pipeline, respectively be equipped with the connection branch pipe in venturi flowmeter's entry end and necking down position, can read the pressure differential between two connection branch pipes through differential pressure table or U type pipe, calculate rust cleaning water flow.
According to one aspect of the utility model, the valve ball, butterfly or pinch valve is controlled. By means of the arrangement, the filling speed and the filling concentration of the flash rust preventive can be adjusted by adjusting the opening degree of the control valve.
According to one aspect of the utility model, the venturi jet and venturi flow meter are made of brass or stainless steel. By the arrangement, the venturi jet device and the venturi flowmeter can withstand high-pressure and high-flow-rate environments and have enough strength and rigidity.
According to the scheme, the utility model provides the venturi tube flash rust preventive agent filling device, negative pressure is generated at a necking position under the action of high-speed fluid according to Bernoulli's law, the flash rust preventive agent is automatically sucked into a pipeline to be fully mixed, and the opening degree of a valve is adjusted through the degree of a flowmeter, so that the adjustment of the filling concentration of the medicament is realized. Simple structure, work efficiency is high, has solved the even stable filling problem of anti-flash rust agent. The device is of a pure mechanical structure, is safe and reliable, and can be used in areas with high explosion-proof requirements in the oil and gas industry.
Drawings
Fig. 1 schematically shows a structural layout of a venturi anti-flash rust agent filling device according to an embodiment of the present utility model.
Detailed Description
The present disclosure will now be discussed with reference to exemplary embodiments. It should be understood that the embodiments discussed are merely to enable those of ordinary skill in the art to better understand and thus practice the teachings of the present utility model and do not imply any limitation on the scope of the utility model.
As used herein, the term "comprising" and variants thereof are to be interpreted as meaning "including but not limited to" open-ended terms. The term "based on" is to be interpreted as "based at least in part on". The terms "one embodiment" and "an embodiment" are to be interpreted as "at least one embodiment.
Fig. 1 schematically shows a structural layout of a venturi anti-flash rust agent filling device according to an embodiment of the present utility model. As shown in fig. 1, in the present embodiment, the venturi anti-flash rust agent filling device includes:
A venturi jet 1;
One end (left end in the figure) of the venturi flowmeter 2 is connected with the output end of the venturi ejector 1, and the other end (right end in the figure) of the venturi flowmeter is connected with a high-pressure pipeline;
A chemical flowmeter 3, one end (upper end in the figure) of which is connected with the venturi jet device 1 through a pipeline, and the other end (lower end in the figure) of which is connected with a chemical storage tank 7 through a pipeline;
a control valve 4 provided on a line between the medicament flow meter 3 and the venturi ejector 1;
The differential pressure calculator 5 is connected to the inlet end 8 and the constriction 9 of the venturi flowmeter 2 via pipes, respectively, and calculates the differential pressure between the inlet end 8 and the constriction 9.
So set up, can make venturi ejector 1 one end (left end in the figure) pass through threaded connection force (forcing) pump high pressure water outlet, the other end passes through threaded connection venturi flowmeter 2, and its lower extreme passes through little branch pipe 10 and connects control valve 4. Thus, when the high-speed rust removing water flows through the constriction position of the venturi jet 1, the flow velocity increases due to the reduction of the pipe diameter, so that the pressure is reduced to form a negative pressure, and the anti-flash rust agent stored in the agent tank 7 is sucked as power through the lower branch pipe 10.
Further, as shown in fig. 1, in the present embodiment, the inlet end outer wall and the necked-down portion outer wall of the venturi meter 4 are provided with a connection branch pipe 6, and the connection branch pipe 6 communicates with the internal piping of the venturi meter 4. In the present embodiment, the differential pressure calculator 5 is a differential pressure gauge or a U-tube. So set up, can make on the basis that venturi flowmeter 4's one end passes through threaded connection venturi ejector 1, and the other end passes through threaded connection high pressure pipeline, respectively be equipped with connecting branch pipe 6 in venturi flowmeter 4's entry end and necking down position, can read the pressure differential between two connecting branch pipes 6 through differential pressure table or U type pipe, calculate rust cleaning water flow.
Further, in the present embodiment, the control valve 3 is a ball valve, a butterfly valve, or a pinch valve. So arranged, the anti-flash rust agent filling speed and the filling concentration can be adjusted by adjusting the opening of the control valve 3.
The medicament flowmeter 2 is a rotameter, a dual rotameter or an elliptic gear flowmeter.
The venturi jet 1 and the venturi flow meter 2 are made of brass or stainless steel. By this arrangement, the venturi jet device 1 and the venturi flow meter 2 can withstand a high-pressure and high-flow-rate environment and have sufficient strength and rigidity.
According to the scheme, the utility model provides the venturi tube flash rust preventive agent filling device, negative pressure is generated at a necking position under the action of high-speed fluid according to Bernoulli's law, the flash rust preventive agent is automatically sucked into a pipeline to be fully mixed, and the opening degree of a valve is adjusted through the degree of a flowmeter, so that the adjustment of the filling concentration of the medicament is realized. Simple structure, work efficiency is high, has solved the even stable filling problem of anti-flash rust agent. The device is of a pure mechanical structure, is safe and reliable, and can be used in areas with high explosion-proof requirements in the oil and gas industry.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the utility model, and that, although the utility model has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the utility model as defined by the appended claims.
Claims (6)
1. Venturi tube flash rust prevention agent filling device, characterized by comprising:
A venturi jet (1);
One end of the venturi flowmeter (2) is connected with the output end of the venturi ejector (1), and the other end of the venturi flowmeter is connected with a high-pressure pipeline;
A medicament flowmeter (3), one end of which is connected with the venturi jet device (1) through a pipeline, and the other end of which is connected with a medicament storage tank through a pipeline;
A control valve (4) arranged on a pipeline between the medicament flowmeter (3) and the venturi jet device (1);
And the differential pressure calculator (5) is respectively connected with the inlet end of the Venturi flowmeter (2) and the necking part through pipelines and calculates the differential pressure between the inlet end and the necking part.
2. The venturi anti-flash rust filling device according to claim 1, wherein the outer wall of the inlet end and the outer wall of the necking part of the venturi flowmeter (2) are provided with connecting branch pipes (6), and the connecting branch pipes (6) are communicated with an internal pipeline of the venturi flowmeter (2).
3. The venturi anti-flash rust agent filling device according to claim 1, wherein the differential pressure calculator (5) is a differential pressure gauge or a U-tube.
4. The venturi anti-flash rust filling device according to claim 1, characterized in that the control valve (4) is a ball valve, a butterfly valve or a pinch valve.
5. The venturi anti-flash rust agent filling device according to claim 1, characterized in that the agent flow meter (3) is a rotameter, a dual rotameter or an elliptic gear flow meter.
6. The venturi anti-flash rust agent filling device according to claim 1, characterized in that the venturi jet (1) and the venturi flow meter (2) are made of brass or stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322754455.XU CN221063147U (en) | 2023-10-13 | 2023-10-13 | Venturi tube flash rust-proof agent filling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322754455.XU CN221063147U (en) | 2023-10-13 | 2023-10-13 | Venturi tube flash rust-proof agent filling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221063147U true CN221063147U (en) | 2024-06-04 |
Family
ID=91253553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322754455.XU Active CN221063147U (en) | 2023-10-13 | 2023-10-13 | Venturi tube flash rust-proof agent filling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221063147U (en) |
-
2023
- 2023-10-13 CN CN202322754455.XU patent/CN221063147U/en active Active
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