CN204661605U - A kind of coke oven coke oven uprising tube pressure automatic adjusting device - Google Patents
A kind of coke oven coke oven uprising tube pressure automatic adjusting device Download PDFInfo
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- CN204661605U CN204661605U CN201520201235.7U CN201520201235U CN204661605U CN 204661605 U CN204661605 U CN 204661605U CN 201520201235 U CN201520201235 U CN 201520201235U CN 204661605 U CN204661605 U CN 204661605U
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Abstract
The utility model relates to a kind of coke oven coke oven uprising tube pressure automatic adjusting device, comprise the upcast pressure tester being arranged on rising pipeline section, the effuser pressure tester being arranged on gas collection pipeline section, the high-temperature pipe keying setting device being arranged on bridge tube section and Controlling System, described high-temperature pipe opens and closes setting device and is made up of drive unit and high temp .-resistant valve, and the drive unit that upcast pressure tester, effuser pressure tester open and close setting device with high-temperature pipe is connected with Controlling System respectively.The spool of high temp .-resistant valve is the V-type ball clack spool with spherical seal surface, is provided with inherent regulation and slides axially tightness system between valve seat and valve body.The utility model is used for the single coking chamber pressure-controlling of coke oven, and flue dust is not excessive when both can realize coke oven coal-charging and in the coking phase, and coking coking chamber in latter stage can be avoided again to occur negative pressure, prevent air bleed coking chamber scaling loss coke, damage body of heater; Apparatus structure is simple, easy to operate, has automatic regulation function, makes maintenance cost low.
Description
Technical field
The utility model relates to a kind of pipeline pressure setting device, particularly relates to a kind of pressure automatic adjusting device for pushing up dress coke oven or ascension pipe of tamping coke oven.
Background technology
At present, domestic and international coke oven coke oven uprising tube pressure, mainly realize regulating whole stove group by adjustment collecting main pressure, coking state residing for each coking chamber of coke oven is different, coaling early stage and coking initial stage raw gas generating capacity very large, the coal gas amount importing effuser is a lot, if can not derive in time, a large amount of raw gas may be made to escape, have a strong impact on coking technique environment, cause environmental pollution and coal gas waste, coal loading dedust system can not normally be run; Coke oven coking latter stage, the raw gas produced in coking chamber reduces, and causes the raw gas in effuser flow backwards to this coking chamber and decompose; Coking chamber wall string also can be caused to leak, affect coking furnace shaft intensity, reduce the coke oven life-span, cause coal gas to waste.Abroad have and adopt a kind of single coking chamber pressure regulating system being Proven system, the single coking chamber pressure-stabilisation of coke oven can be realized, can a large amount of raw gas be imported in effuser when coalingging, prevent flue dust excessive, coking can avoid again the raw gas in effuser to flow backwards to coke furnace carbonization chamber latter stage, is conducive to coke oven and produces and steady running.It adopts a kind of device being called fixed cup, under the control of controlling organization, realizes the adjustment to single coking chamber pressure, solve aforementioned conventional coke oven natural gas gathering system Problems existing by the circulation section changing raw gas.But this system relative complex, requires high to the making of fixed cup, and the tar that easily bonds, blocking, influential system steady running, also brings certain difficulty to working service.
Summary of the invention
The utility model provides a kind of coke oven coke oven uprising tube pressure automatic adjusting device, for the single coking chamber pressure-controlling of coke oven, flue dust is not excessive when both can realize coke oven coal-charging and in the coking phase, coking coking chamber in latter stage can be avoided again to occur negative pressure, prevent air bleed coking chamber scaling loss coke, damage body of heater; Apparatus structure is simple, easy to operate, has automatic regulation function, makes maintenance cost low.
In order to achieve the above object, the utility model realizes by the following technical solutions:
A kind of coke oven coke oven uprising tube pressure automatic adjusting device, comprise the upcast pressure tester being arranged on rising pipeline section, the effuser pressure tester being arranged on gas collection pipeline section, the high-temperature pipe keying setting device being arranged on bridge tube section and Controlling System, described high-temperature pipe opens and closes setting device and is made up of drive unit and high temp .-resistant valve, and the drive unit that upcast pressure tester, effuser pressure tester open and close setting device with high-temperature pipe is connected with Controlling System respectively.
Described high temp .-resistant valve is made up of valve body and the valve seat be arranged in valve body, spool, valve rod, and drive unit is connected with spool by valve rod, and can drive valve core rotation; Described spool is the V-type ball clack spool with spherical seal surface, is provided with inherent regulation and slides axially tightness system between valve seat and valve body.
Described drive unit is pneumatic actuator, YE, turbine head, hydro-cylinder or Electrohydraulic push rod.
Described upcast pressure tester, effuser pressure tester are pressure transmitter.
Described valve rod is Double half axle structure, and upper semiaxis is main drive shaft, and lower semiaxis is driven shaft, and upper semiaxis is connected with V-type ball clack spool by spline, and one piece of steel ball is placed as rotational support in lower semiaxis and V-type ball clack spool junction.
The described inherent regulation tightness system that slides axially comprises the floating spring seat, fixing spring seat and the set nut that are sleeved on successively from inside to outside between valve seat and valve body, multiple compression spring is provided with between floating spring seat and fixing spring seat, establish sealing member one between valve seat and valve body, between set nut and fixing spring seat, be fixed with sealing member two by pressing plate shape pad; Be provided with limited block between valve body and valve seat, the axial adjustable gap of valve seat is 0.5 ~ 1mm.
The inwall not installing valve seat in described valve cavity establishes fire-resistant material heat insulation layer, and sealing member one and sealing member two are trapezoidal filler, are composited by carbon fiber and nickel wire.
Compared with prior art, the beneficial effects of the utility model are:
1) by being arranged on the pressure tester pressure measurement of upcast and effuser, Controlling System regulates gas flow in pipeline according to pressure difference, for the single coking chamber pressure-controlling of coke oven, flue dust is not excessive when both can realize coke oven coal-charging and in the coking phase, coking coking chamber in latter stage can be avoided again to occur negative pressure, prevent air bleed coking chamber scaling loss coke, damage body of heater;
2) described high temp .-resistant valve has valve seat and spool gap automatic compensation function, ensures that valve seat and spool are fitted closely, good seal performance during closedown; When valve base sealing cutting edge and the relative movement of spool sphere, the solid dirt of tar and the mixing that spool sphere adheres to can be removed, there is self-cleaning function, the moving parts adhesion phenomenon because tar condensation produces can be prevented, greatly reduce failsafe valve rate;
3) valve interior wall establishes fire-resistant material heat insulation layer, has insulation effect, can reduce tar condensation phenomenon in valve body; Spool and valve rod junction adopt enclosed structure, and valve rod, without exposed part, can avoid the erosion of dust, coal tar wet goods material;
4) on valve rod, semiaxis and spool adopt spline joint, can ensure switch motion accurately and reliably, and under valve rod, semiaxis and spool adopt steel ball point cantact, ensure that valve rod rotates flexibly, reduce friction, be conducive to improving work-ing life;
5) apparatus structure is simple, easy to operate, can automatically regulate, and without the need to frequent regulation and control, makes maintenance cost low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the front view that high-temperature pipe opens and closes setting device.
Fig. 3 is the side-view that high-temperature pipe opens and closes setting device.
Fig. 4 is the I portion enlarged view in Fig. 2.
In figure: 1. upcast 2. upcast pressure tester 3. high-temperature pipe opens and closes semiaxis 305.V type ball clack spool 306. fire-resistant material heat insulation layer 307. inherent regulation on setting device 4. bridge tube 5. effuser 6. effuser pressure tester 301. drive unit 302. handwheel 303. connection bracket 304. valve rod and to slide axially semiaxis 310. valve body 311. spline 312. steel ball 711. set nut 712. pressing plate shape pad 713. sealing member 2 714. fixing spring seat 715. compression spring 716. floating spring seat 717. limited block 718. sealing member one under tightness system 308. valve seat 309. valve rod
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
See Fig. 1, it is structural representation of the present utility model, a kind of coke oven coke oven uprising tube pressure automatic adjusting device of the utility model, comprise the upcast pressure tester 2 being arranged on upcast 1 section, the effuser pressure tester 6 being arranged on effuser 5 sections, the high-temperature pipe keying setting device 3 being arranged on bridge tube 4 sections and Controlling System, described high-temperature pipe opens and closes setting device 3 and is made up of drive unit 301 and high temp .-resistant valve, and the drive unit that upcast pressure tester 2, effuser pressure tester 6 open and close setting device 3 with high-temperature pipe is connected with Controlling System respectively.
Seeing Fig. 2-Fig. 3, is the structural representation that high-temperature pipe described in the utility model opens and closes setting device 3.Described high-temperature pipe opens and closes setting device 3 and is made up of drive unit 301 and high temp .-resistant valve, high temp .-resistant valve is made up of valve body 310 and the valve seat 308 be arranged in valve body 310, spool 305, valve rod, drive unit 301 is connected with spool 305 by valve rod, and movable valve plug 305 can be with to rotate; Described spool 305 is the V-type ball clack spool with spherical seal surface, is provided with inherent regulation and slides axially tightness system 307 between valve seat 308 and valve body 310.
Described drive unit 301 is pneumatic actuator, YE, turbine head, hydro-cylinder or Electrohydraulic push rod.
Described upcast pressure tester 2, effuser pressure tester 6 are pressure transmitter.
Described valve rod is Double half axle structure, and upper semiaxis 304 is main drive shaft, and lower semiaxis 309 is driven shaft, and upper semiaxis 304 is connected with V-type ball clack spool 305 by spline 311, and lower semiaxis 309 places one piece of steel ball 312 as rotational support with V-type ball clack spool 305 junction.
As shown in Figure 4, the described inherent regulation tightness system 307 that slides axially comprises the floating spring seat 716, fixing spring seat 714 and the set nut 711 that are sleeved on successively from inside to outside between valve seat 308 and valve body 310, multiple compression spring 715 is provided with between floating spring seat 716 and fixing spring seat 714, establish sealing member 1 between valve seat 308 and valve body 310, between set nut 711 and fixing spring seat 714, be fixed with sealing member 2 713 by pressing plate shape pad 712; Be provided with limited block 717 between valve body 310 and valve seat 308, the axial adjustable gap of valve seat 308 is 0.5 ~ 1mm.
The inwall not installing valve seat 308 in described valve body 310 cavity establishes fire-resistant material heat insulation layer 306, and sealing member 1 and sealing member 2 713 are trapezoidal filler, are composited by carbon fiber and nickel wire.
Described in a kind of coke oven coke oven uprising tube pressure automatic adjusting device of the utility model, the valve rod of high temp .-resistant valve is Double half axle structure, on valve rod semiaxis 304 be connected with V-type ball clack spool 305 by spline 311, transmission, under valve rod, semiaxis 309 and V-type ball clack spool 305 junction are placed a steel ball 312 both holding point faces are contacted, such a configuration reduce friction and the power consumed that face and face relative movement produce, reduce the output torque of drive unit, extend product work-ing life.
See Fig. 4, be that inherent regulation described in the utility model slides axially the structural representation of tightness system, set nut 711 screws in valve body 310 and plays stationary positioned effect, limits end play and the radial displacement of valve seat 308.Compression spring 715 is compressed in the cavity of fixing spring seat 714 and floating spring seat 716 formation.When V-type ball clack spool 305 and valve seat 308 rotate and depart from, compression spring 715 promotes valve seat 308 to the direction slippage near spool 305 by floating spring seat 716; When V-type ball clack spool 305 and valve seat 308 rotate and contact, spool 305 promotes valve seat 308 and compression spring 715 is bounced back; Valve body 310 is fixed with limited block 717 radial through bolt, restriction valve seat 308 is mobile adjustment within the scope of 0.5 ~ 1mm, its objective is that therefore it has clearance automatic compensation function in order to make the cutting edge of seat valve 308 be adjacent to its spherical seal surface all the time when spool 305 rotates.
High-temperature pipe opens and closes setting device 3 in opening-closing process, the two seals cutting edge of valve seat 308 forms two-wire face with the spherical seal surface of spool 305 and contacts, when sealing cutting edge and spool 305 sphere relative movement, the solid dirt of tar and the mixing that spool 305 sphere adheres to can be removed, play the effect of automatic cleaning.
Upcast 1 is positioned at the top of coke furnace carbonization chamber, and upcast 1 top connects high-temperature pipe and opens and closes setting device 3, and high-temperature pipe opens and closes setting device 3 the other end and connects bridge tube 4, and bridge tube 4 the other end connects effuser 5.Coke furnace carbonization chamber is in retort process, and the raw gas of generation opens and closes setting device 3, bridge tube 4 by coking chamber top through upcast 1, high-temperature pipe, import effuser 5 derives under inhaling the suction function that gas line produces at gas blower again.In order to realize the automatic adjustment of coke oven coke oven uprising tube pressure, the utility model realizes upcast pressure-controlling by adjustment collecting main pressure and upcast pressure difference, control high-temperature pipe keying setting device 3 particular by Controlling System and change the circulation of high temperature raw gas in bridge tube, thus reach the object controlling coke oven coke oven uprising tube pressure.
In order to measure the pressure of each coke oven coke oven uprising tube 1, upcast 1 or bridge tube 4 arrange upcast pressure tester 2, upcast pressure tester 2 measures the instant pressure of each upcast, according to this instant pressure and effuser pressure tester 6 survey the pressure difference of collecting main pressure, steering order is sent by computer control system, the drive unit being opened and closed setting device by high-temperature pipe drives high temp .-resistant valve action, and passes through the opening and closing of high-temperature pipe valve, realizes the regulating and controlling to upcast pressure.
Under the condition that coke oven coking cycles is certain, the raw gas amount that coal produces in coking chamber retort process is a descending process progressively reduced, when upcast pressure is close to collecting main pressure, according to the pressure difference between upcast 1 and effuser 5, open and close setting device 3 by high-temperature pipe and derive raw gas in upcast 1, ensure upcast 1 pressure-stabilisation; When coking coking chamber in latter stage pressure is very low, setting device 3 can be opened and closed by closed high temperature pipeline.
Claims (7)
1. a coke oven coke oven uprising tube pressure automatic adjusting device, it is characterized in that, comprise the upcast pressure tester being arranged on rising pipeline section, the effuser pressure tester being arranged on gas collection pipeline section, the high-temperature pipe keying setting device being arranged on bridge tube section and Controlling System, described high-temperature pipe opens and closes setting device and is made up of drive unit and high temp .-resistant valve, and the drive unit that upcast pressure tester, effuser pressure tester open and close setting device with high-temperature pipe is connected with Controlling System respectively.
2. a kind of coke oven coke oven uprising tube pressure automatic adjusting device according to claim 1, it is characterized in that, described high temp .-resistant valve is made up of valve body and the valve seat be arranged in valve body, spool, valve rod, and drive unit is connected with spool by valve rod, and can drive valve core rotation; Described spool is the V-type ball clack spool with spherical seal surface, is provided with inherent regulation and slides axially tightness system between valve seat and valve body.
3. a kind of coke oven coke oven uprising tube pressure automatic adjusting device according to claim 1, is characterized in that, described drive unit is pneumatic actuator, YE, turbine head, hydro-cylinder or Electrohydraulic push rod.
4. a kind of coke oven coke oven uprising tube pressure automatic adjusting device according to claim 1, is characterized in that, described upcast pressure tester, effuser pressure tester are pressure transmitter.
5. a kind of coke oven coke oven uprising tube pressure automatic adjusting device according to claim 2, it is characterized in that, described valve rod is Double half axle structure, upper semiaxis is main drive shaft, lower semiaxis is driven shaft, upper semiaxis is connected with V-type ball clack spool by spline, and one piece of steel ball is placed as rotational support in lower semiaxis and V-type ball clack spool junction.
6. a kind of coke oven coke oven uprising tube pressure automatic adjusting device according to claim 2, it is characterized in that, the described inherent regulation tightness system that slides axially comprises the floating spring seat, fixing spring seat and the set nut that are sleeved on successively from inside to outside between valve seat and valve body, multiple compression spring is provided with between floating spring seat and fixing spring seat, establish sealing member one between valve seat and valve body, between set nut and fixing spring seat, be fixed with sealing member two by pressing plate shape pad; Be provided with limited block between valve body and valve seat, the axial adjustable gap of valve seat is 0.5 ~ 1mm.
7. a kind of coke oven coke oven uprising tube pressure automatic adjusting device according to claim 6, it is characterized in that, the inwall not installing valve seat in described valve cavity establishes fire-resistant material heat insulation layer, and sealing member one and sealing member two are trapezoidal filler, are composited by carbon fiber and nickel wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520201235.7U CN204661605U (en) | 2015-04-04 | 2015-04-04 | A kind of coke oven coke oven uprising tube pressure automatic adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520201235.7U CN204661605U (en) | 2015-04-04 | 2015-04-04 | A kind of coke oven coke oven uprising tube pressure automatic adjusting device |
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| CN204661605U true CN204661605U (en) | 2015-09-23 |
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| CN201520201235.7U Active CN204661605U (en) | 2015-04-04 | 2015-04-04 | A kind of coke oven coke oven uprising tube pressure automatic adjusting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109021984A (en) * | 2018-08-24 | 2018-12-18 | 普雷沃流体控制科技（芜湖）有限公司 | A kind of coke oven list gas collecting tube control device |
-
2015
- 2015-04-04 CN CN201520201235.7U patent/CN204661605U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109021984A (en) * | 2018-08-24 | 2018-12-18 | 普雷沃流体控制科技（芜湖）有限公司 | A kind of coke oven list gas collecting tube control device |
| CN109021984B (en) * | 2018-08-24 | 2020-04-17 | 普雷沃流体控制科技（芜湖）有限公司 | Single gas collecting pipe control device of coke oven |
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