CN207386088U - A kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device - Google Patents
A kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device Download PDFInfo
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- CN207386088U CN207386088U CN201721204449.5U CN201721204449U CN207386088U CN 207386088 U CN207386088 U CN 207386088U CN 201721204449 U CN201721204449 U CN 201721204449U CN 207386088 U CN207386088 U CN 207386088U
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- 239000005997 Calcium carbide Substances 0.000 title claims abstract description 38
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000009530 blood pressure measurement Methods 0.000 claims abstract description 79
- 239000007789 gas Substances 0.000 claims description 81
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims 1
- 238000010926 purge Methods 0.000 abstract description 20
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 238000007664 blowing Methods 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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- Furnace Details (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model provides a kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device, which includes：Source of the gas supply valve, device for pressure measurement, safety valve, the first Self controlling valve and controller；The input terminal of source of the gas supply valve is connected with source of the gas, the one end of one end of first Self controlling valve respectively with the output terminal of source of the gas supply valve and safety valve is connected, the other end of first Self controlling valve is connected with the first sample point, the other end of safety valve is connected with device for pressure measurement, and the first Self controlling valve, source of the gas supply valve and safety valve are connected respectively with controller.A kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device provided by the utility model by setting source of the gas supply valve and the first Self controlling valve, purges pressure measurement pipeline using source of the gas；And by setting controller, each valve is carried out automatically controlling, it can be achieved that purged automatically to pressure measurement pipeline and automatic voltage measurement, so as to solve during furnace pressure is detected, artificially carry out the security hidden trouble of purging pressure measurement pipeline.
Description
Technical field
It is automatically anti-more particularly, to a kind of furnace of calcium carbide furnace pressure pipeline the utility model is related to controling of the pressure of the oven technical field
Blowing apparatus.
Background technology
Furnace of calcium carbide furnace pressure detection technique can effectively reflect the working of a furnace of furnace of calcium carbide in real time, and technologist is instructed to carry out furnace of calcium carbide
Operation control.Furnace of calcium carbide furnace pressure it is either large or small be all it is worthless, when furnace pressure it is excessive formed positive pressure CO can be made to leak, make bell
Fire is altered outward, be easy to cause sebific duct and other equipment burnouts and personnel's poisoning；When furnace pressure too small formation negative pressure, easily
Charge level temperature is caused to raise, increases branch current, causes to lift on electrode, the working of a furnace is caused to deteriorate.
Furnace pressure detection technique generally use differential pressure transmitter reflects the size of furnace pressure.When furnace pressure impulse pipeline blocks up
During plug, the numerical value that furnace pressure detection transmitter measures will be caused less than normal, guiding operating personnel's progress maloperation.In order to ensure to detect
The authenticity of the furnace pressure data arrived then needs frequently to purge furnace pressure pipeline, to ensure the dredging of furnace pressure pipeline so that
The furnace pressure data detected are true in real time.
Furnace of calcium carbide furnace pressure detection generally existing furnace pressure impulse pipeline blocks in furnace of calcium carbide industry at present, causes the number detected
According to authenticity there are problem, it is necessary to which personnel frequently carry out manual valve opening purging impulse pipeline on demand.
Furnace of calcium carbide belongs to danger zone, and frequently entering danger zone easily increases security risk, while adds operating personnel
Workload；If by increasing impulse pipeline to safety zone, easily cause the blocking of pipeline dust and be not easily cleaned, while in this situation
Under be unfamiliar with technique carry out furnace pressure purging be easy to cause differential pressure transmitter damage.It is this in furnace pressure detection process, hand on demand
There are larger security hidden troubles for the method for dynamic purging furnace pressure impulse pipeline.
Utility model content
The utility model provides one kind and overcomes above-mentioned in furnace pressure detection process, purging furnace pressure impulse pipeline manually on demand
A kind of furnace of calcium carbide furnace pressure pipeline that method has larger security risk or solves the above problems at least partly is automatic
Back-blowing device.
According to the utility model, a kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device is provided, which includes：Source of the gas supplies
Valve, device for pressure measurement, safety valve, the first Self controlling valve and controller；The input terminal of the source of the gas supply valve is connected with source of the gas,
The one end of one end of first Self controlling valve respectively with the output terminal of the source of the gas supply valve and the safety valve is connected, described
The other end of first Self controlling valve is connected with the first sample point, the other end of the safety valve and the device for pressure measurement phase
Even, first Self controlling valve, the source of the gas supply valve and the safety valve are connected respectively with the controller.
On the basis of said program, a kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device further includes：Second Self controlling valve；
The one end of one end of second Self controlling valve respectively with the output terminal of the source of the gas supply valve and the safety valve is connected, described
The other end of second Self controlling valve is connected with the second sample point, and second Self controlling valve is connected with the controller.
On the basis of said program, first sample point and second sample point are arranged in opposite in stove
Both sides.
On the basis of said program, first manual valve is set at first Self controlling valve.
On the basis of said program, the second hand-operated valve is set at second Self controlling valve.
On the basis of said program, a kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device further includes：Host computer；On described
Position machine is connected with the controller.
On the basis of said program, first Self controlling valve, second Self controlling valve, the source of the gas supply valve and
The safety valve includes motor-driven valve respectively.
On the basis of said program, the source of the gas includes nitrogen or furnace gas.
On the basis of said program, a kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device further includes：Supercharging device, it is described
Supercharging device is arranged between the source of the gas and the source of the gas supply valve.
On the basis of said program, the device for pressure measurement includes differential pressure transmitter.
A kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device provided by the utility model, by setting source of the gas supply valve and
One Self controlling valve purges pressure measurement pipeline using source of the gas, can effectively solve the obstructing problem of pressure measurement pipeline；And by setting
Controller is put, each valve is carried out automatically controlling, it can be achieved that purged automatically to pressure measurement pipeline and automatic voltage measurement, so as to
It solves during furnace pressure is detected, artificially carries out the security hidden trouble of purging pressure measurement pipeline.
Description of the drawings
Fig. 1 is the structural representation according to a kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device of the utility model embodiment
Figure；
Fig. 2 is the automatic back blow stream according to a kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device of the utility model embodiment
Cheng Tu.
Reference sign：
1-source of the gas supply valve；2-safety valve；3-device for pressure measurement；
4-the first Self controlling valve；5-the first sample point；6-the second Self controlling valve；
7-the second sample point；8-first manual valve；9-the second hand-operated valve.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
Fig. 1 is the structural representation according to a kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device of the utility model embodiment
Figure.With reference to figure 1, the present embodiment provides a kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device, the device bag according to the utility model
It includes：Source of the gas supply valve 1, device for pressure measurement 3, safety valve 2, the first Self controlling valve 4 and controller；The source of the gas supply valve 1
Input terminal is connected with source of the gas, one end of first Self controlling valve 4 respectively with the output terminal of the source of the gas supply valve 1 and the peace
One end of full valve 2 is connected, and the other end of first Self controlling valve 4 is connected with the first sample point 5, the safety valve 2 it is another
End is connected with the device for pressure measurement 3, and first Self controlling valve 4, the source of the gas supply valve 1 and the safety valve 2 are distinguished
It is connected with the controller.
A kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device provided in this embodiment is to the using device for pressure measurement 3
One sample point 5 carries out pressure measurement.It is connected between 3 and first sample point 5 of device for pressure measurement by pressure measurement pipeline, is known as first
Pressure measurement pipeline.Device for pressure measurement 3 is connected with safety valve 2, and when need not detect pressure, safety valve 2, which is in, closes shape
State plays a protective role to device for pressure measurement 3.
First Self controlling valve 4, the first Self controlling valve 4 and 2 phase of safety valve are set between 2 and first sample point 5 of safety valve
One end even is connected simultaneously by pipeline with source of the gas supply valve 1.Source of the gas supply valve 1 is used to control whether connection source of the gas.Open gas
1 and first Self controlling valve 4 of source supply valve, closed safe valve 2 can make gas purge the first pressure measurement pipeline, to remove first
Sundries in pressure measurement pipeline ensures the unobstructed of the first pressure measurement pipeline.It opens the first Self controlling valve 4 and safety valve 2, close source of the gas confession
To valve 1 pressure measurement can be carried out to the first sample point 5.
First Self controlling valve 4, source of the gas supply valve 1 and safety valve 2 are connected respectively with controller.Controller is for control first
The opening and closing of Self controlling valve 4, source of the gas supply valve 1 and safety valve 2.Controller can be programmable logic controller (PLC), can control
Device processed is inputted by program, comes the order of each valve opening of remote control and the time of unlatching, so as to fulfill automatically to first
The purging and automatic voltage measurement of pressure measurement pipeline.
A kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device provided in this embodiment, by setting source of the gas supply valve 1 and
One Self controlling valve 4 purges the first pressure measurement pipeline using source of the gas, can effectively solve the obstructing problem of the first pressure measurement pipeline；
And by setting controller, each valve is carried out automatically controlling, it can be achieved that the first pressure measurement pipeline is purged automatically with
And automatic voltage measurement, so as to solve during furnace pressure is detected, the security risk for artificially carrying out the first pressure measurement pipeline of purging is asked
Topic.
On the basis of above-described embodiment, further, with reference to figure 1, a kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device
It further includes：Second Self controlling valve 6；One end of second Self controlling valve 6 respectively with the output terminal of the source of the gas supply valve 1 and institute
The one end for stating safety valve 2 is connected, and the other end of second Self controlling valve 6 is connected with the second sample point 7, second internally piloted valve
Door 6 is connected with the controller.
A kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device provided in this embodiment, it is right on the basis of above-described embodiment
The measurement of furnace pressure adds the second sample point 7.It is similar with the connection of above-mentioned first sample point 5, the second sample point 7 and safety valve 2
One end be connected by pressure measurement pipeline, be known as the second pressure measurement pipeline.Second is set between 2 and second sample point 7 of safety valve certainly
Valve 6 is controlled, one end that the second Self controlling valve 6 is connected with safety valve 2 is connected simultaneously by pipeline with source of the gas supply valve 1.
Gas pair can be made by opening source of the gas supply valve 1 and the second Self controlling valve 6,2 and first Self controlling valve 4 of closed safe valve
Second pressure measurement pipeline is purged, and to remove the sundries in the second pressure measurement pipeline, ensures the unobstructed of the second pressure measurement pipeline.Open the
One Self controlling valve 4, the second Self controlling valve 6 and safety valve 2, closing source of the gas supply valve 1 can be to the first sample point 5 and the second sample point
7 are carried out at the same time pressure measurement.
Second Self controlling valve 6 is equally connected with the controller, and controller can be closed the unlatching of the second Self controlling valve 6
And the time opened carries out remote control.
A kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device provided in this embodiment sets the second Self controlling valve 6, for controlling
Make the pressure measurement to the second sample point 7 and the purging to the second pressure measurement pipeline；By increasing by the second sample point 7, can improve
The accuracy of furnace pressure measurement.
Further, when carrying out pressure measurement pipeline automatic back blow, closed safe valve 2 is passed through with protecting from source of the gas supply valve 1
Gas device for pressure measurement 3 will not be caused to damage.The second Self controlling valve can be opened simultaneously by closing the first Self controlling valve 4
It 6 and closes the second Self controlling valve 6 and opens simultaneously the first Self controlling valve 4, realize successively suitable to the different sample points of pressure measurement pipeline
The function of sequence purging.
On the basis of above-described embodiment, further, with reference to figure 1, first sample point 5 and second sample point
7 are arranged in the opposite sides in stove.
The position of the first sample point 5 and the second sample point 7 is illustrated in the present embodiment.It can make 5 He of the first sample point
Second sample point 7 is arranged in the different zones in stove, such as the opposite sides being arranged in stove.First sample point 5 and second takes
Sampling point 7 is sampled detection pressure to different zones in stove, can improve the accuracy and reliability to furnace pressure detection.
On the basis of above-described embodiment, further, with reference to figure 1, set at first Self controlling valve 4 first-hand
Dynamic valve 8.
The present embodiment is based on above-described embodiment, and first manual valve 8 is added at the first Self controlling valve 4.First manual valve 8 is logical
It crosses and is opened and closed manually to control.It is connected on the first pressure measurement pipeline before and after 8 and first Self controlling valve 4 of first manual valve, the
The tandem of one hand-operated valve 8 and the first Self controlling valve 4 is unlimited.
First manual valve 8 is in opening when the first Self controlling valve 4 works normally, and the first pressure measurement pipeline is by the
One Self controlling valve 4 controls whether to connect.When the first Self controlling valve 4 needs repairing, it can be controlled by first manual valve 8
Whether the first pressure measurement pipeline connects.It adds first manual valve 8 conveniently to carry out maintenance the first Self controlling valve 4, providing one kind can
The pressure measurement mode controlled manually.
Further, with reference to figure 1, the second hand-operated valve 9 is set at second Self controlling valve 6.Second hand-operated valve 9 is
In opening when two Self controlling valves 6 work normally, the second pressure measurement pipeline is by 6 company of controlling whether of the second Self controlling valve
It is logical.When the second Self controlling valve 6 needs repairing, the connection of the second pressure measurement pipeline can be controlled by the second hand-operated valve 9.Increase
Second Self controlling valve 6 is carried out maintenance if the second hand-operated valve 9 is convenient, it, can when the second 6 cisco unity malfunction of Self controlling valve
Ensure being normally carried out for furnace pressure detection.
Further, the 3rd hand-operated valve at source of the gas supply valve 1 can be set, the 4th hand-operated valve is set at safety valve 2.
On the basis of above-described embodiment, further, a kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device further includes：On
Position machine；The host computer is connected with the controller.
On the basis of a kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device that the present embodiment is provided in above-described embodiment, increase
Host computer.Host computer is connected with controller, for sending instructions under controller.Host computer can carry out human-computer interaction, such as can
For computer etc..
On the basis of above-described embodiment, further, with reference to figure 1, first Self controlling valve 4, second automatic control
Valve 6, the source of the gas supply valve 1 and the safety valve 2 include motor-driven valve respectively.
The present embodiment is explanation, and the first Self controlling valve 4, the second Self controlling valve 6, source of the gas supply valve 1 and safety valve 2 can be used
Motor-driven valve.Specifically, electrical ball valve can be used.But this is not construed as limiting or operated pneumatic valve and other and executing agency
Similar valve automatically controls as long as can realize.
By the way that each valve is controlled to close the order opened and each valve switch limit signal detected by controller
Realize the requirement automatically controlled.
Further, each valve, which closes the order opened, can make programmable controller connect each motor-driven valve, by programmable
Controller realizes self-clocking blowback in order with host computer.
On the basis of above-described embodiment, the source of the gas includes nitrogen or furnace gas.
The present embodiment is that the source of the gas in above-described embodiment is illustrated, and source of the gas should not have an impact the technique in stove.
Source of the gas can be inert gas, such as nitrogen；Or furnace gas can be drawn as source of the gas.
On the basis of above-described embodiment, further, a kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device further includes：Increase
Pressure device, the supercharging device are arranged between the source of the gas and the source of the gas supply valve 1.
The present embodiment adds supercharging device based on above-described embodiment.Because having certain pressure in stove, to the
One pressure measurement pipeline or the second pressure measurement pipeline carry out blowback, and source of the gas must have certain pressure.Therefore supplied in source of the gas and source of the gas
To increase device is added between valve 1, make that there is certain blowback pressure by the source of the gas of source of the gas supply valve 1, so as to be surveyed to first
Pressure pipeline or the second pressure measurement pipeline realize purging.
On the basis of above-described embodiment, further, the device for pressure measurement 3 includes differential pressure transmitter.
Differential pressure transmitter can be used in the present embodiment as device for pressure measurement 3, furnace pressure is detected.But to this not
It is construed as limiting, for the purpose of it can detect pressure.
The various embodiments described above provide a kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device according to the utility model, for tradition
The drawback of furnace pressure pressure measurement pipeline easily blocking, passes through programmable logic controller (PLC) and safety valve 2, source of the gas supply valve 1, the first internally piloted valve
Door 4, which is connected with 6 wiring of the second Self controlling valve and communicated by host computer, realizes blow orderly to pressure measurement pipeline difference sample point
It sweeps, mitigate manually work burden and reduces furnace pressure pipeline blocking probability.By electrically operated valve, furnace pressure detection operation principle with it is automatic
Change technology combines, so as to fulfill pressure measurement pipeline is automatic, function of timing blowback, finite reduction operating personnel
The labor intensity of purging furnace pressure branch pipeline manually, improves production efficiency.
On the basis of above-described embodiment, a kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device is provided, with reference to figure 1, the dress
Put including：Source of the gas supply valve 1, device for pressure measurement 3, safety valve 2, the first Self controlling valve 4, the second Self controlling valve 6, controller and
Host computer.Source of the gas supply valve 1 is connected with source of the gas, it is possible to provide has the source of the gas of certain pressure.Device for pressure measurement 3 is elementary errors buckling
Send device.Each valve is electrically connected with the controller.The concrete operations flow of the device is：
It is 2 and second Self controlling valve 6 of safety valve closed before differential pressure transmitter first, it is ensured that do not damage differential pressure pick-up
Device.Open the first Self controlling valve 4,2 and second Self controlling valve 6 of safety valve before differential pressure transmitter is detected close in place, with
And first Self controlling valve 4 open in place after, controlled by controller and automatically turn on source of the gas supply valve 1, source of the gas is to the first pressure measurement pipeline
It is purged.
After the default time, open the second Self controlling valve 6 and simultaneously close off the first Self controlling valve 4, to the second pressure measurement
Pipeline carries out automatic blowing.After the default time, by controller control automatic closing gas source supply valve 1, automatically open
First Self controlling valve 4 and the second Self controlling valve 6, while detect whether source of the gas supply valve 1 closes in place, it is beaten if condition meets
Safety valve 2 is opened, differential pressure transmitter measures furnace pressure instantly.
A kind of basic functional principle of furnace of calcium carbide furnace pressure pipeline automatic back blow device provided in this embodiment is according to production
It needs, automatic back blow first is carried out to each pressure measurement pipeline respectively, remove sundries in each pressure measurement pipeline and then to each pressure measurement pipeline
The sample point of connection carries out pressure detecting.
Controller can be placed in the home of live easy access.Self-clocking is remotely realized by host computer and according to one
Determine order Open valve to carry out counter blast pressure survey pipeline and detect the function of furnace pressure.
Further, Manual safety valve, manual source of the gas supply valve, the first manual valve 8 and used in the prior art
Electrical ball valve is installed, each electrical ball valve is respectively that safety valve 2, source of the gas in the present embodiment supply before two hand-operated valves, 9 each hand-operated valve
Valve 1, the first Self controlling valve 4 and the second Self controlling valve 6.Each hand-operated valve is in opening.
Do not change original control mode in the operation of technology controlling and process furnace pressure, i.e., it is constant to the control in stove.
A kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device provided in this embodiment, for traditional furnace pressure detection technique and
The drawbacks of blocking of pressure measurement pipeline is manually purged, by increasing each automatic valve, controller and host computer, solves existing skill
Art carries out the frequent personnel operation purged when pressure measurement pipeline blocks and can reduce the blocking of pressure measurement pipeline, ensures furnace of calcium carbide furnace pressure
The true actual effect for the data that pipeline automatic back blow device measures.
Further, with reference to figure 1 and Fig. 2, a kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device is controlled each by controller
Valve opens the order with closing, and pressure measurement pipeline can both be purged with self-clocking, that is, set interval time, Mei Geyi
The fixed time purges pressure measurement pipeline with regard to automatic opening valve in order, for example can set interval time as 120 minutes,
Then every 120 minutes, device will be purged automatically；Furnace pressure automatic blowing can be controlled manually again, that is, needing pressure measurement
When, it assigns instruction manually by host computer, starts automatic blowing pressure measurement.Specifically operating process is：
Signal in place is closed by host computer acquisition source of the gas supply valve 1 first and reaches a signal with safety valve 2, passes through controller
It is programmed with host computer, selects the function of pressure measurement pipeline self-timing blowback or the manual automatic single cycle blowback of a key on demand.It closes
Safety valve 2 is in order to avoid the too big damage differential pressure transmitter of gas pressure.The first Self controlling valve 4 is opened, closes the second Self controlling valve 6.
Detection safety valve 2 closes signal feedback in place, is unsatisfactory for requiring, then before checking the reason for safety valve 2 is without closing in place and repeating
The step of.If meeting the requirements, opening source of the gas supply valve 1 makes gas be carried out into the first pressure measurement pipeline to the first pressure measurement pipeline
Automatic blowing.
After the time value for purging setting, for example purge time can be set as two minutes, open the second Self controlling valve 6 and close
First Self controlling valve 4 carries out automatic blowing to the second pressure measurement pipeline.Source of the gas supply valve 1 is closed afterwards and is closed in source of the gas supply valve 1
Close feed back in place value signal for it is genuine when open the safety-valve 2, open simultaneously the first Self controlling valve 4 and the second Self controlling valve 6, it is real
The measurement of existing furnace pressure data.
The present embodiment can replace artificial according to a kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device provided by the utility model
Manual execute-in-place mitigates worker-hours and labor intensity；It is carried out at the same time the automatic blowing function of long-range pressure measurement pipeline
It can reduce personnel safety hidden danger, increase stealthy income, while the hair of equipment damage situation caused by decreasing personnel's maloperation
It is raw.
Finally, the present processes are only preferable embodiment, are not intended to limit the scope of protection of the utility model.
Within the spirit and principle of the utility model, any modifications, equivalent replacements and improvements are made should be included in this reality
Within new protection domain.
Claims (10)
1. a kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device, which is characterized in that including：Source of the gas supply valve, device for pressure measurement,
Safety valve, the first Self controlling valve and controller；The input terminal of the source of the gas supply valve is connected with source of the gas, first Self controlling valve
One end respectively with the output terminal of the source of the gas supply valve and the safety valve of one end be connected, first Self controlling valve it is another
One end is connected with the first sample point, and the other end of the safety valve is connected with the device for pressure measurement, first internally piloted valve
Door, the source of the gas supply valve and the safety valve are connected respectively with the controller.
2. the apparatus according to claim 1, which is characterized in that further include：Second Self controlling valve；Second Self controlling valve
One end respectively with the output terminal of the source of the gas supply valve and the safety valve of one end be connected, second Self controlling valve it is another
One end is connected with the second sample point, and second Self controlling valve is connected with the controller.
3. the apparatus of claim 2, which is characterized in that first sample point and second sample point difference cloth
Put the opposite sides in stove.
4. according to the device described in claim 1 or 2 or 3, which is characterized in that set at first Self controlling valve first-hand
Dynamic valve.
5. the device according to Claims 2 or 3, which is characterized in that second is set at second Self controlling valve manually
Valve.
6. device according to claim 5, which is characterized in that further include：Host computer；The host computer and the controller
It is connected.
7. device according to claim 6, which is characterized in that first Self controlling valve, second Self controlling valve, institute
State source of the gas supply valve and the safety valve includes motor-driven valve respectively.
8. the device according to claim 1 or 7, which is characterized in that the source of the gas includes nitrogen or furnace gas.
9. device according to claim 8, which is characterized in that further include：Supercharging device, the supercharging device are arranged on institute
It states between source of the gas and the source of the gas supply valve.
10. the device according to claim 1 or 9, which is characterized in that the device for pressure measurement includes differential pressure pick-up
Device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721204449.5U CN207386088U (en) | 2017-09-20 | 2017-09-20 | A kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device |
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|---|---|---|---|
| CN201721204449.5U CN207386088U (en) | 2017-09-20 | 2017-09-20 | A kind of furnace of calcium carbide furnace pressure pipeline automatic back blow device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081729A (en) * | 2019-05-22 | 2019-08-02 | 国核维科锆铪有限公司 | A kind of toxic reaction distillation furnace body pressure-detecting device of high temperature and its application method |
| CN113720169A (en) * | 2021-09-07 | 2021-11-30 | 上海呈彧智能科技有限公司 | Regenerative heating furnace flue gas back flushing method and system based on dual-target feedback |
| CN113739594A (en) * | 2021-09-22 | 2021-12-03 | 新疆宜化化工有限公司 | Automatic breaking process and device for preventing hardening of materials in calcium carbide furnace |
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2017
- 2017-09-20 CN CN201721204449.5U patent/CN207386088U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081729A (en) * | 2019-05-22 | 2019-08-02 | 国核维科锆铪有限公司 | A kind of toxic reaction distillation furnace body pressure-detecting device of high temperature and its application method |
| CN113720169A (en) * | 2021-09-07 | 2021-11-30 | 上海呈彧智能科技有限公司 | Regenerative heating furnace flue gas back flushing method and system based on dual-target feedback |
| CN113720169B (en) * | 2021-09-07 | 2023-08-25 | 上海呈彧智能科技有限公司 | Double-target feedback-based back-flushing method and system for flue gas of regenerative heating furnace |
| CN113739594A (en) * | 2021-09-22 | 2021-12-03 | 新疆宜化化工有限公司 | Automatic breaking process and device for preventing hardening of materials in calcium carbide furnace |
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