CN202956160U - Automatic sweeping device of converter smoke flowmeter - Google Patents
Automatic sweeping device of converter smoke flowmeter Download PDFInfo
- Publication number
- CN202956160U CN202956160U CN 201220397841 CN201220397841U CN202956160U CN 202956160 U CN202956160 U CN 202956160U CN 201220397841 CN201220397841 CN 201220397841 CN 201220397841 U CN201220397841 U CN 201220397841U CN 202956160 U CN202956160 U CN 202956160U
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- pipeline
- solenoid valve
- arm
- measurement
- measurement pipeline
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Abstract
The utility model relates to a device relevant to measurement of smoke in a converter in the metallurgy field, in particular to an automatic sweeping device of a converter smoke flowmeter. According to the automatic sweeping device of the converter smoke flowmeter, a sweeping return circuit is added, wherein the sweeping return circuit is composed of a main pipe and two branch pipes, the main pipe is connected with an air source, the two branch pipes are led from the main pipe and are connected in parallel, a first branch pipe is connected with a positive-pressure pipe of a measurement pipeline, a second branch pipe is connected with a negative-pressure pipe of the measurement pipeline, a fourth electromagnetic valve is arranged on the first branch pipe, a fifth electromagnetic valve is arranged on the second branch pipe, a first electromagnetic valve is arranged on the positive-pressure pipe of the measurement pipeline, a second electromagnetic valve is arranged on the negative-pressure pipe of the measurement pipeline, a connection pipe is arranged between the positive-pressure pipe of the measurement pipeline and the negative-pressure pipe of the measurement pipeline, and a third electromagnetic valve is arranged on the connection pipe. According to the automatic sweeping device of the converter smoke flowmeter, the sweeping return circuit is adopted to sweep a throttling element and the measurement pipeline, the sweeping effect is achieved on the premise that a measurement meter is not damaged, the measurement pipeline of the converter smoke flowmeter and the throttling element are effectively prevented from being blocked, and then accuracy of measurement is guaranteed.
Description
Technical field
The utility model relates to the converter gas flow measurement relevant apparatus of field of metallurgy, specifically a kind of converter gas flowmeter automatic blowout device.
Background technology
Converter gas generally adopts the differential pressure method measuring flow, restricting element is installed on flue, carry out measuring flow by differential pressure before and after measuring it, the formation of converter gas flowmeter generally as shown in Figure 1, comprise restricting element 2, measure pipeline 3, three valve groups 4 and differential pressure transmitter 5, restricting element 2 is installed on flue 1, measure pipeline 3 one end connecting joint fluid elements 2, the other end connects three valve groups 4, measurement pipeline 3 is provided with forward voltage diode and is connected with the plemum of restricting element 2, measurement pipeline 3 is provided with negative tube and is connected with the negative pressure chamber of restricting element 2, differential pressure transmitter 5 connects three valve groups 4, because the converter gas dustiness is large and humidity is higher, therefore restricting element 2 and measurement pipeline 3 easily produce and stop up, thus the measuring error of causing.
The utility model content
Technical problem to be solved in the utility model is, overcomes the shortcoming of prior art, and a kind of converter gas flowmeter automatic blowout device is provided, and can avoid the obstruction of converter gas flowmeter survey pipeline and restricting element, guarantees the accuracy of measuring.
The technical scheme that the utility model solves above technical matters is:
Converter gas flowmeter automatic blowout device, comprise restricting element, measure pipeline, three valve group and differential pressure transmitters, restricting element is installed on flue, measure pipeline one end connecting joint fluid element, the other end connects three valve groups, the measurement pipeline is provided with forward voltage diode and is connected with the plemum of restricting element, and the measurement pipeline is provided with negative tube and is connected with the negative pressure chamber of restricting element, and differential pressure transmitter connects three valve groups; Also comprise purge circuit, purge circuit is comprised of the first arm and second arm of a house steward who is connected with source of the gas and the parallel connection that separates from house steward, the first arm is connected to the forward voltage diode of measuring pipeline, the second arm is connected to the negative tube of measuring pipeline, the first arm is provided with the 4th solenoid valve, the second arm is provided with the 5th solenoid valve, the forward voltage diode of measuring pipeline is provided with the first solenoid valve, the negative tube of measuring pipeline is provided with the second solenoid valve, be connected to connecting pipe between the forward voltage diode of measurement pipeline and negative tube, connecting pipe is provided with the 3rd solenoid valve.
The technical scheme that the utility model further limits is:
Aforesaid converter gas flowmeter automatic blowout device, the first solenoid valve be connected on the first arm and measure the contact of pipeline forward voltage diode and the forward voltage diode of the measurement pipeline between three valve groups on, on the contact that the second solenoid valve is connected on the second arm and measures the pipeline negative tube and the negative tube of the measurement pipeline between three valve groups, connecting pipe is connected between the first solenoid valve and the second solenoid valve and three valve groups on the measurement pipeline.
Aforesaid converter gas flowmeter automatic blowout device, source of the gas is source nitrogen.
The beneficial effects of the utility model are: pass through automatic blowout device of the present utility model when converter tapping, adopt purge circuit to restricting element and measure pipeline according to steering logic of the present utility model and purged, not only reached the purging effect but also do not damage measurement instrument, effectively avoid the obstruction of converter gas flowmeter survey pipeline and restricting element, guaranteed the accuracy of measuring.
The accompanying drawing explanation
Fig. 1 is the connection diagram of converter gas flowmeter.
Fig. 2 is connection diagram of the present utility model.
Embodiment
Embodiment 1
The present embodiment is a kind of converter gas flowmeter automatic blowout device, connect as shown in Figure 2, comprise restricting element 2, measure pipeline 3, three valve groups 4 and differential pressure transmitter 5, restricting element 2 is installed on flue 1, measure pipeline 3 one end connecting joint fluid elements 2, the other end connects three valve groups 4, and measurement pipeline 3 is provided with forward voltage diode and is connected with the plemum of restricting element 2, measurement pipeline 3 is provided with negative tube and is connected with the negative pressure chamber of restricting element 2, and differential pressure transmitter 5 connects three valve groups 4; Also comprise purge circuit, purge circuit is comprised of two arm N1 and the N2 of a house steward N who is connected with source of the gas and the parallel connection that separates from house steward N, arm N1 is connected to the forward voltage diode of measuring pipeline 3, arm N2 is connected to the negative tube of measuring pipeline 3, arm N1 is provided with solenoid valve 6-4, arm N2 is provided with solenoid valve 6-5, the forward voltage diode of measuring pipeline 3 is provided with solenoid valve 6-1, the negative tube of measuring pipeline 3 is provided with solenoid valve 6-2, be connected to connecting pipe N3 between the forward voltage diode of measurement pipeline 3 and negative tube, connecting pipe N3 is provided with solenoid valve 6-3.Solenoid valve 6-1 be connected on arm N1 and measure the contact of pipeline forward voltage diode and the forward voltage diode of the measurement pipeline 3 between three valve groups 4 on, on the contact that solenoid valve 6-2 is connected on arm N2 and measures the pipeline negative tube and the negative tube of the measurement pipeline 3 between three valve groups 4, connecting pipe N3 is connected between solenoid valve 6-1 and solenoid valve 6-2 and three valve groups 4 on measurement pipeline 3.
Like this, control 5 solenoid valves by certain logical order, carry out impulse blowing during converter tapping, solenoid valve 6-4 and 6-5 pulsed are opened, utilize purge circuit to restricting element and measure pipeline and purged, solenoid valve is opened and shut-in time and purge the number of times capable of regulating, generally opens 3-6 second, closes 8-12 second, purges 40-60 time.Adopt nitrogen to carry out the pulsed purging bessemerizing gap, can avoid the obstruction of converter gas flowmeter survey pipeline and restricting element, guarantee the accuracy of measuring.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (3)
1. converter gas flowmeter automatic blowout device, comprise restricting element (2), measure pipeline (3), three valve groups (4) and differential pressure transmitter (5), at the upper restricting element (2) of installing of flue (1), measure pipeline (3) one end connecting joint fluid elements (2), the other end connects three valve groups (4), measurement pipeline (3) is provided with forward voltage diode and is connected with the plemum of restricting element (2), measurement pipeline (3) is provided with negative tube and is connected with the negative pressure chamber of restricting element (2), and differential pressure transmitter (5) connects three valve groups (4), it is characterized in that: also comprise purge circuit, described purge circuit is comprised of the first arm (N1) and second arm (N2) of a house steward who is connected with source of the gas (N) and the parallel connection that separates from house steward (N), described the first arm (N1) is connected to the forward voltage diode of measuring pipeline (3), described the second arm (N2) is connected to the negative tube of measuring pipeline (3), described the first arm (N1) is provided with the 4th solenoid valve (6-4), described the second arm (N2) is provided with the 5th solenoid valve (6-5), the forward voltage diode of described measurement pipeline (3) is provided with the first solenoid valve (6-1), the negative tube of described measurement pipeline (3) is provided with the second solenoid valve (6-2), be connected to connecting pipe (N3) between the forward voltage diode of described measurement pipeline (3) and negative tube, described connecting pipe (N3) is provided with the 3rd solenoid valve (6-3).
2. converter gas flowmeter automatic blowout device as claimed in claim 1, it is characterized in that: described the first solenoid valve (6-1) be connected on the first arm (N1) and measure the contact of pipeline forward voltage diode and the forward voltage diode of the measurement pipeline (3) between three valve groups (4) on, described the second solenoid valve (6-2) be connected on the second arm (N2) and measure the contact of pipeline negative tube and the negative tube of the measurement pipeline (3) between three valve groups (4) on, described connecting pipe (N3) is connected between the first solenoid valve (6-1) and the second solenoid valve (6-2) and three valve groups (4) and measures on pipeline (3).
3. converter gas flowmeter automatic blowout device as claimed in claim 1 or 2, it is characterized in that: described source of the gas is source nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220397841 CN202956160U (en) | 2012-08-10 | 2012-08-10 | Automatic sweeping device of converter smoke flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220397841 CN202956160U (en) | 2012-08-10 | 2012-08-10 | Automatic sweeping device of converter smoke flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202956160U true CN202956160U (en) | 2013-05-29 |
Family
ID=48461727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220397841 Expired - Lifetime CN202956160U (en) | 2012-08-10 | 2012-08-10 | Automatic sweeping device of converter smoke flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202956160U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102778264A (en) * | 2012-08-10 | 2012-11-14 | 南京钢铁股份有限公司 | Automatic blowing device of converter flue gas flowmeter and control method thereof |
| CN104043168A (en) * | 2014-06-27 | 2014-09-17 | 计宁翔 | Automatic cleaning device of exhalation differential pressure flow sensor |
-
2012
- 2012-08-10 CN CN 201220397841 patent/CN202956160U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102778264A (en) * | 2012-08-10 | 2012-11-14 | 南京钢铁股份有限公司 | Automatic blowing device of converter flue gas flowmeter and control method thereof |
| CN104043168A (en) * | 2014-06-27 | 2014-09-17 | 计宁翔 | Automatic cleaning device of exhalation differential pressure flow sensor |
| CN104043168B (en) * | 2014-06-27 | 2016-05-04 | 计宁翔 | Exhalation differential pressure flow sensor automatic cleaning apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130529 |
|
| CX01 | Expiry of patent term |