CN101580722B - Pressure control pneumatic unit sectional cabinet - Google Patents
Pressure control pneumatic unit sectional cabinet Download PDFInfo
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- CN101580722B CN101580722B CN2009100627534A CN200910062753A CN101580722B CN 101580722 B CN101580722 B CN 101580722B CN 2009100627534 A CN2009100627534 A CN 2009100627534A CN 200910062753 A CN200910062753 A CN 200910062753A CN 101580722 B CN101580722 B CN 101580722B
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Abstract
The invention provides a pressure control pneumatic unit sectional cabinet, belonging to the field of the manual and automatic control device of the pneumatic actuating mechanism in the pressure control system of large-scale coke oven carbonization chamber. The pressure control pneumatic unit sectional cabinet provided by the invention comprises a box body, a gas circuit integrated package, a pilot valve, an electromagnetic valve, pipes, pipe fittings and a first manual air-circuit reversing valve, and three position five-way air-circuit reversing is adopted in the first manual reversing valveto realize the conversion among the three processes: coke pushing, coaling and coking in the coke oven carbonization chamber by conversion operation. The invention is applicable to being used for the in-situ control and the remote control of the pneumatic actuating mechanism in the pressure control system of large-scale coke oven carbonization chamber and the pressure precise control in the carbo nization chamber in the production process of coking can be conveniently realized.
Description
Technical field
The present invention relates to the manual and automatic control device of the pneumatic actuator of capacity coke oven coking chamber pressure regulating system, relate to pressure control pneumatic unit sectional cabinet especially.
Background technology
At present; Coke furnace system generally adopts automated control technology; Change into traditional coke oven through regulating each coking chamber upcast pressure to the regulative mode of Air suction pipe pressure extensive style and to control the regulative mode that becomes more meticulous of Air suction pipe pressure; And realized each coking chamber coke pushing, coaling, the full-automatic operation of coking process, improved the quality of coke, reduce the environmental pollution degree.And pressure controlled all topworkies of capacity coke oven coking chamber for safety anti-explosive, all be to transfer electrical control to gas circuit control through pressure control pneumatic unit sectional cabinet; Realize that all topworkies on the spot or telesecurity operation, are the pressure controlled core cells of coking chamber.But existing pressure control pneumatic unit sectional cabinet technology also exists a lot of deficiencies to be further improved, and mainly shows the following aspects:
1, pressure control pneumatic unit sectional cabinet does not have emergency operation function on the spot; When Long-distance Control fault or technology need on the spot emergency operation; Then must switch operating mode, just can carry out the independent operation that upcast covers, annotates ammoniacal liquor valve, piston machine soon, production and maintenance are brought very big inconvenience;
2, in the pressure control pneumatic unit sectional cabinet; The gas control pilot valve of precision machined gas circuit, mechanical seal in the gas circuit integrated package; All need the driving medium drying pure; But the not integrated filtering unit of air-channel system contains impurity in case drive source of the gas, very easily causes wearing and tearing even gas circuit to stop up and cisco unity malfunction to its gas circuit;
3. in the pressure control pneumatic unit sectional cabinet, gas circuit flow adjustment screw hole is too little on the valve plate, and the position is unreasonable, is not easy to adjust;
4. pressure control pneumatic unit sectional cabinet produces very big exhaust noise in the course of the work.
The problems referred to above are technical barriers that the present technique field needs to be resolved hurrily.
Summary of the invention
The objective of the invention is to solve the existing problem of above-mentioned existing gas control cabinet technology, propose a kind of novel pressure control pneumatic unit sectional cabinet.
The pressure control pneumatic unit sectional cabinet that the present invention proposes; Comprise casing, gas circuit integrated package, pilot valve, SV, pipeline and pipe fitting; Also comprise the first-hand way reversing valve of taking offence; The said first-hand way reversing valve of taking offence adopts the switching-over of 3 position-5 way gas circuit, be used for through blocked operation realize the coke furnace carbonization chamber coke pushing, coaling and three kinds of technologies of coking between conversion.
Preferably, when the said first-hand way reversing valve of taking offence was changed to position, a left side, the piston mechanism cylinder stretched out, and said coke furnace carbonization chamber is in the coke pushing state of arts; When the said first-hand way reversing valve of taking offence was changed to right, the piston mechanism cylinder was regained, and said coke furnace carbonization chamber is in the state of arts of coalingging; When the said first-hand way reversing valve of taking offence was changed to meta, piston mechanism received the signal control of double-purpose valve door holder, and said coke furnace carbonization chamber is in the coking state of arts.
Preferably, also comprise second-hand's way reversing valve of taking offence, the said second-hand way reversing valve of taking offence adopts the switching-over of two-bit triplet gas circuit, is used for that manually control is fast annotates opening or closing of ammoniacal liquor valve.
Preferably, also comprise order gas control pilot valve with lock, can control the switching-over of this order gas control pilot valve with lock, thereby control upcast lid opens or closes through manual operation.
Preferably, be provided with vacuum breaker, be used to prevent that the power gas source that gets into said gas circuit integrated package from moving back to pipeline at the front end of said gas circuit integrated package, simultaneously when source of the gas is died in short-term chien shih topworks keep original state.
Preferably, comprise also and filter the pressure regulation unit that this filtration pressure regulation unit links to each other with said vacuum breaker, is used for filtering the impurity of power gas source, and adjusts the source of the gas WP in the said pressure control pneumatic unit sectional cabinet.
Preferably, on said gas circuit integrated package, be provided with the tolerance regulon, be used to regulate the gas flow that power gas source gets into said gas circuit integrated package.
Preferably, install four exhausting silencer unit additional, be respectively applied for and carry out upcast lid and begin to rehearse that gas is eliminated the noise, the upcast lid closes exhausting silencer, annotate the ammoniacal liquor valve gas that begins to rehearse soon and eliminate the noise, annotate soon the ammoniacal liquor valve and close exhausting silencer in the front of said gas circuit integrated package.
Preferably, also comprise electric switching and manual test button; Said electric switching is used for the conversion of normal mode of operation and test pattern; Said manual test button is used under said test pattern, realizing upcast lid and the fast test that opens or closes of annotating the ammoniacal liquor valve through the control to said SV.
Preferably, said casing adopts 304 stainless materials, and said pipeline connects the bloated hoop formula type of attachment of employing stainless steel, and each tube stub adopts tapered mouthful of jointing of stainless steel, and said gas circuit integrated package adopts aviation aluminium precision sizing to form.
Pressure control pneumatic unit sectional cabinet proposed by the invention and pressure control system have successfully solved problems such as existing operation inconvenience in the prior art, gas circuit obstruction easy to wear, noise is big.The present invention is applicable to that the pressure of capacity coke oven coking chamber regulates occasion, can realize effectively that the pressure of coking chamber in the coking production process accurately controls.
Description of drawings
Fig. 1 is the control principle block diagram of a kind of embodiment of pressure control pneumatic unit sectional cabinet of the present invention;
Fig. 2 is the structure iron of a kind of embodiment of pressure control pneumatic unit sectional cabinet of the present invention.
Reference numeral:
The outside gas circuit communication port of 1～10-, the first-hand way reversing valve of taking offence of 11-, 12-second-hand's way reversing valve of taking offence, the 13-band double air controlled pilot valve that resets; 14-order gas control with lock pilot valve, 15-is with the double air controlled pilot valve that resets, and 16～20-is with single gas control pilot valve that resets; 21～24-explosion-proof solenoid valve, 25～28-hand push button, 29-vacuum breaker; 30-filters decompressing unit, 31-tolerance regulon, 32～35-exhausting silencer unit; 36-bleed pressure indicating gauge, 37～40-electrical terminal row, 41-electric switching.
Embodiment
Below in conjunction with Fig. 1 and Fig. 2, the technical scheme in the embodiment of the invention is carried out clear, complete description.Below described embodiment only be a part of embodiment of the present invention, rather than whole embodiment.Based on technical scheme of the present invention, those of ordinary skills belong to protection scope of the present invention at the every other embodiment that does not carry out being obtained under the situation of creative work.
This pressure control pneumatic unit sectional cabinet mainly adopts manual gas circuit reversing valve, vacuum breaker, single gas control pilot valve, double air controlled pilot valve, anti-explosion is electromagnetic to change, and cooperates formants such as gas circuit integrated package and electric test button to carry out logical combination completion technology controlling and process.
When the first-hand way reversing valve 11 of taking offence is in position, a left side, get into the coke pushing operating mode.Concrete implementation procedure is following:
Pressurized air arrives the gas control end of being with single gas control pilot valve 17 that resets through the first-hand way reversing valve 11 of taking offence; Promote to be with single gas control pilot valve 17 switching-overs that reset; Pressurized air can not be through band single gas control pilot valve 17, band single gas control pilot valve 19 and the band single gas control pilot valve 18 that resets that resets that resets; Band single gas control pilot valve 20 gas control end emptyings that reset, behind spring reset, pressurized air arrives outside gas circuit communication port 6 through the first-hand way reversing valve 11 of taking offence of valve, band single gas control pilot valve 19 that resets; Drive outer piston cylinder descending (stretching out); Outside gas circuit communication port 6 breaks off with the outside gas circuit communication port that is connected Valve positioner 9, and outside gas circuit communication port 7 breaks off with the outside gas circuit communication port that is connected Valve positioner 8, and the external valve steady arm can not the piston cylinder operation.At this moment; Explosion-proof solenoid valve 23 and explosion-proof solenoid valve 24 no matter be during electric or dead electricity; Be with single gas control pilot valve 16 valves that reset under spring action, to reset, can not commutate the outside gas circuit communication port 5 of pressurized air on band resets single gas control pilot valve 16 valves and gas circuit integrated package; Promote outside ammoniacal liquor valve fast and open, the outside gas circuit communication port 4 on the gas circuit integrated package is communicated with exhausting silencer unit 33 and carries out the gas noise elimination that begins to rehearse of quick ammoniacal liquor valve simultaneously.Manually operated directional valve 12 is inoperative.At this moment; Explosion-proof solenoid valve 21 and explosion-proof solenoid valve 22 no matter be during electric or dead electricity; Order gas control pilot valve 14 with lock resets under spring action, can not commutate the outside gas circuit communication port 3 of pressurized air on order gas control pilot valve 14 with lock and gas circuit integrated package; Promote outside upcast lid and open, the outside gas circuit communication port 2 on the gas circuit integrated package is communicated with exhausting silencer unit 32 and carries out upcast and cover the gas noise elimination that begins to rehearse simultaneously.But, can commutating through the mechanical manual function of order gas control pilot valve 14 with lock, realization should outside upcast lid action.
When the first-hand way reversing valve 11 of taking offence is in meta, get into the coking operating mode.Concrete implementation procedure is following:
Be with the gas control pilot valve 17 that resets, be with single gas control pilot valve 18 first air guide emptyings that reset; Behind spring reset; Pressurized air arrives band single gas control pilot valve 19, band single gas control pilot valve 20 pilot port that reset that reset through band gas control pilot valve 17, the band single gas control pilot valve 18 that resets that resets; Promote band single gas control pilot valve 19, band single gas control pilot valve 20 switching-overs that reset that reset; Outside gas circuit communication port 6 on the gas circuit integrated package is communicated with the outside gas circuit communication port that is connected Valve positioner 9; Outside gas circuit communication port 7 on the gas circuit integrated package is communicated with the outside gas circuit communication port that is connected Valve positioner 8, and cylinder location is controlled, regulated to the outer piston cylinder by external Valve positioner.Explosion-proof solenoid valve 24 gets at this moment; During explosion-proof solenoid valve 23 dead electricity; Pressurized air flows to the reset right pilot port of double air controlled pilot valve 15 of biobelt through explosion-proof solenoid valve 24 SVs; Promote to be with double air controlled pilot valve 15 switching-overs that reset; Flow through the pressurized air that comes and flow to the reset left pilot port of single gas control pilot valve 16 of band through band double air controlled pilot valve 15, the second-hand way reversing valve 12 of taking offence that resets through band single gas control pilot valve 17 that resets, promote band single gas control pilot valve 16 switching-overs that reset, pressurized air flows to outside ammoniacal liquor valve control cylinder fast through band single gas control pilot valve 16 that resets with outside gas circuit communication port 4 on the gas circuit integrated package; Control this valve closes, simultaneously the outside gas circuit communication port 5 on the gas circuit integrated package is communicated with exhausting silencer unit 35 and carries out quick ammoniacal liquor valve pass exhausting silencer.Can control the reset break-make of single gas control pilot valve 16 first air guides of band, single gas control pilot valve 16 valves switching-over thereby the control band resets, and then the outside switch of ammoniacal liquor valve fast of control this moment through second-hand's way reversing valve 12 of taking offence.When explosion-proof solenoid valve 23 gets; During explosion-proof solenoid valve 24 dead electricity; Pressurized air flows to the left pilot port of being with the double air controlled pilot valve 15 that resets through explosion-proof solenoid valve 23; Promote band double air controlled pilot valve 15 switching-overs that reset, through band reset single gas control pilot valve 17 flow through the pressurized air that comes can not be through the band double air controlled pilot valve 15 that resets, block reset guide's source of the gas of single gas control pilot valve 16 of band; Be with single gas control pilot valve 16 that resets under the spring force effect, to reset; Pressurized air flows to outside ammoniacal liquor valve cylinder fast through the band single gas control pilot valve 16 that resets with outside gas circuit communication port 5 on the gas circuit integrated package, and the outside ammoniacal liquor valve fast of control is opened, and the outside gas circuit communication port 4 on the gas circuit integrated package is communicated with exhausting silencer unit 33 and carries out the gas noise elimination that begins to rehearse of quick ammoniacal liquor valve simultaneously.This moment, second-hand's way reversing valve 12 of taking offence was inoperative.When explosion-proof solenoid valve 22 gets; During explosion-proof solenoid valve 21 dead electricity; Pressurized air flows to the right pilot port of being with the double air controlled pilot valve 13 that resets through explosion-proof solenoid valve 22; Promote to be with double air controlled pilot valve 13 switching-overs that reset; Flow through the pressurized air that comes and flow to the left pilot port of order gas control pilot valve 14 with lock through the band double air controlled pilot valve 13 that resets through band single gas control pilot valve 17 that resets, promote order gas control pilot valve 14 switching-overs with lock, pressurized air flows to outside upcast lid cylinder through order gas control pilot valve 14 with lock and outside gas circuit communication port 2 on the gas circuit integrated package; Control outside upcast lid and close, the outside gas circuit communication port 3 on the gas circuit integrated package is communicated with exhausting silencer unit 34 and carries out upcast and cover the pass exhausting silencer simultaneously.This moment, second-hand's way reversing valve 12 of taking offence was inoperative.When explosion-proof solenoid valve 21 gets; During explosion-proof solenoid valve 22 dead electricity; Pressurized air flows to the left pilot port of being with the double air controlled pilot valve 13 that resets through explosion-proof solenoid valve 21; Promote band double air controlled pilot valve 13 switching-overs that reset, flow through the pressurized air that comes and can not block guide's source of the gas of order gas control pilot valve 14 with lock through the band double air controlled pilot valve 13 that resets through band single gas control pilot valve 17 that resets; Order gas control pilot valve 14 with lock resets under the spring force effect; Pressurized air flows to outside upcast lid cylinder through order gas control pilot valve with lock 14 and outside gas circuit communication port 3 on the gas circuit integrated package, controls outside upcast lid and opens, and the outside gas circuit communication port 2 on the gas circuit integrated package is communicated with exhausting silencer unit 32 and carries out upcast and cover the gas noise elimination that begins to rehearse simultaneously.This moment, the machinery of order gas control pilot valve 14 with lock manually worked, and can manually control the switching-over of order gas control pilot valve 14 with lock through machinery, opened or closed thereby control outside upcast lid.
When the first-hand way reversing valve 11 of taking offence is in right, get into the operating mode of coalingging.Concrete implementation procedure is following:
Band single gas control pilot valve 17, band the reset first air guide emptying of single gas control pilot valve 20 of single gas control pilot valve 19, band that resets that resets; Behind spring reset; Outside gas circuit communication port 6 outputs of pressurized air on the first-hand way reversing valve 11 of taking offence, band reset single gas control pilot valve 20 valves and gas circuit integrated package; Drive outer piston cylinder up (withdrawal); Outside gas circuit communication port 6 on the gas circuit integrated package breaks off with the outside gas circuit communication port that is connected Valve positioner 9, and the outside gas circuit communication port 7 on the gas circuit integrated package breaks off with the outside gas circuit communication port that is connected Valve positioner 8, and the external valve steady arm can not the piston cylinder operation.At this moment, be with single gas control pilot valve 17 that resets to reset, be with single gas control pilot valve 18 valve gas controls switching-over that resets, have pilot air to go into next stage.At this moment; When explosion-proof solenoid valve 24 gets electric and explosion-proof solenoid valve 23 dead electricity; Pressurized air flows to the right pilot port of being with the double air controlled pilot valve 15 that resets through explosion-proof solenoid valve 24 SVs; Promote band double air controlled pilot valve 15 switching-overs that reset, pressurized air flows to the reset left pilot port of single gas control pilot valve 16 of band through band single gas control pilot valve 17 and band double air controlled pilot valve 15, the second-hand way reversing valve 12 of taking offence that resets that resets, and promotes band single gas control pilot valve 16 switching-overs that reset; The outside gas circuit communication port 4 of pressurized air on band resets single gas control pilot valve 16 and gas circuit integrated package promotes outside ammoniacal liquor valve fast and closes.At this moment, can control the reset break-make of single gas control pilot valve 16 first air guides of band, single gas control pilot valve 16 switching-overs thereby the control band resets, and then outside the opening or closing of ammoniacal liquor valve fast of control through second-hand's way reversing valve 12 of taking offence.When explosion-proof solenoid valve 23 gets; During explosion-proof solenoid valve 24 dead electricity; Pressurized air flows to the left pilot port of being with the double air controlled pilot valve 15 that resets through explosion-proof solenoid valve 23; Promote band double air controlled pilot valve 15 switching-overs that reset, through band reset single gas control pilot valve 17 flow through the pressurized air that comes can not be through the band double air controlled pilot valve 15 that resets, and blocked reset guide's source of the gas of single gas control pilot valve 16 of band; Be with single gas control pilot valve 16 that resets under the spring force effect, to reset; The outside gas circuit communication port 5 of pressurized air on band resets single gas control pilot valve 16 and gas circuit integrated package promotes outside ammoniacal liquor valve fast and opens, and the outside gas circuit communication port 4 on the gas circuit integrated package is communicated with exhausting silencer unit 33 and carries out the gas noise elimination that begins to rehearse of quick ammoniacal liquor valve simultaneously.At this moment, the second-hand take offence way reversing valve 12 not control use.Explosion-proof solenoid valve 22 gets at this moment; During explosion-proof solenoid valve 21 dead electricity; Pressurized air flows to the right pilot port of being with the double air controlled pilot valve 13 that resets through explosion-proof solenoid valve 22; Promote band double air controlled pilot valve 13 switching-overs that reset, flow through the pressurized air that comes and flow to the left pilot port of order gas control pilot valve 14 with lock, promote order gas control pilot valve 14 switching-overs with lock through the band double air controlled pilot valve 13 that resets through band single gas control pilot valve 17 that resets; The outside gas circuit communication port 2 of pressurized air on order gas control pilot valve 14 with lock and gas circuit integrated package flows to outside upcast lid cylinder, and the outside upcast of simultaneously outside gas circuit communication port 3 connection exhausting silencer unit control covers and closes.This moment, the machinery of order gas control pilot valve 14 with lock was manually inoperative.When explosion-proof solenoid valve 21 gets; During explosion-proof solenoid valve 22 dead electricity; Pressurized air flows to the left pilot port of being with the double air controlled pilot valve 13 that resets through explosion-proof solenoid valve 21; Promote band double air controlled pilot valve 13 switching-overs that reset, through band reset single gas control pilot valve 17 flow through the pressurized air that comes can not be through the band double air controlled pilot valve 13 that resets, and blocked guide's source of the gas of order gas control pilot valve 14 with lock; Order gas control pilot valve 14 with lock resets under the spring force effect; Pressurized air flows to outside upcast lid cylinder through order gas control pilot valve with lock 14 and outside gas circuit communication port 3 on the gas circuit integrated package, controls outside upcast lid and opens, and the outside gas circuit communication port 2 on the gas circuit integrated package is communicated with exhausting silencer unit 32 and carries out upcast and cover the gas noise elimination that begins to rehearse simultaneously.This moment, the machinery of order gas control pilot valve 14 with lock manually worked, and can pass through the mechanical manual reverse of direction of order gas control pilot valve 14 with lock, thereby controlled opening or closing of outside upcast lid.
Pressure control pneumatic unit sectional cabinet provided by the present invention adds tolerance regulon 31 in the right on of gas circuit integrated package, and this tolerance regulon 31 is a screw hole, is used to regulate the gas flow that gets into the gas circuit integrated package.
The outside gas circuit communication port 10 of pressure control pneumatic unit sectional cabinet provided by the present invention on the gas circuit integrated package is for connecting the gas source interface of external valve steady arm, being used to the work source of the gas that provides the Valve positioner gas circuit necessary.
The electrical terminal row 37 of pressure control pneumatic unit sectional cabinet provided by the present invention in cabinet is used to connect outside upcast lid, the switch pole of the ammoniacal liquor valve gas signal of rationing the power supply fast; Electrical terminal row 38 is used to connect outer piston mechanism position signal and other peripheral equipment electric signal; Electrical terminal row 39 is used to connect the Long-distance Control electric signal of 21,22,23,24 explosion-proof solenoid valves, and electrical terminal row 40 is used to connect the electric signal of hand push button on the spot of 21,22,23,24 explosion-proof solenoid valves.
Pressure control pneumatic unit sectional cabinet provided by the present invention installs bleed pressure indicating gauge 36 additional in the right on of gas circuit integrated package, is used for the work bleed pressure that indication in real time gets into the gas circuit integrated package.
Pressure control pneumatic unit sectional cabinet provided by the present invention adds loaded check valve 29 at the front end of gas circuit integrated package, prevents that the power gas source that gets into the gas circuit integrated package from moving back to pipeline, and has reduced mechanism's execution speed.When source of the gas was died, chien shih topworks kept original state in short-term simultaneously.
Pressure control pneumatic unit sectional cabinet provided by the present invention is that outside gas circuit communication port 1 place has installed filtration decompressing unit 30 additional at the gas circuit inlet, is used to filter the source of the gas WP of external impetus source of the gas impurity and adjustment entering pressure control pneumatic unit sectional cabinet.
The state of a control table of pressure control pneumatic unit sectional cabinet provided by the present invention is as shown in table 1.In the table, the operating mode manually operated directional valve is the first-hand way reversing valve of taking offence described in the present embodiment, annotates valve manual switchover valve soon and is the way reversing valve of taking offence of the second-hand described in the present embodiment.
Table 1 state of a control table
This pressure control pneumatic unit sectional cabinet is that on-the-spot Installation and Debugging are convenient; The spy has increased that upcast lid opens 25, the upcast lid closes 26, the ammoniacal liquor valve opens 27 fast, the ammoniacal liquor valve closes 28 4 hand push buttons fast; Be used to simulate the self contained function situation of outside upcast lid of control and quick ammoniacal liquor valve, thereby offer convenience for installation, routine maintenance and maintenance.This pressure control pneumatic unit sectional cabinet has adopted electric switching 41.When electric switching 41 is changed to the left side, control the electric or dead electricity that gets of explosion- proof solenoid valve 21,22,23,24 respectively by the PLG remote control signal.When electric switching 41 is changed to the right, control the electric or dead electricity that gets of explosion- proof solenoid valve 21,22,23,24 respectively by hand push button 25,26,27,28.
Inner air path of the present invention adopts the gas circuit integrated package to cooperate with the high-level efficiency long-life type gas control pilot valve that has mechanical seal; The gas circuit height is integrated; Be swift in response, operational paradigm is high; The built-in tolerance adjustment structure of gas circuit integrated package is simplified gas circuit more, and stainless steel casing and all steel pipe fitting ensure flexibility and the wearing quality of pressure control pneumatic unit sectional cabinet in severe environment.Pressure control pneumatic unit sectional cabinet described in the invention and pressure control system are applied to capacity coke oven coking chamber pressure-controlling production technique.
The above; Be merely a part of embodiment of the present invention, protection scope of the present invention is not limited thereto, and any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.The protection domain of the embodiment of the invention should be as the criterion with the protection domain of claim.
Claims (10)
1. a pressure control pneumatic unit sectional cabinet comprises casing, gas circuit integrated package, pilot valve, SV, pipeline and pipe fitting, it is characterized in that:
Also comprise the first-hand way reversing valve of taking offence; The said first-hand way reversing valve of taking offence is connected with said gas circuit integrated package; The said first-hand way reversing valve of taking offence adopts the switching-over of 3 position-5 way gas circuit, be used for through blocked operation realize the coke furnace carbonization chamber coke pushing, coaling and three kinds of technologies of coking between conversion.
2. pressure control pneumatic unit sectional cabinet according to claim 1 is characterized in that:
When the said first-hand way reversing valve of taking offence was changed to position, a left side, the piston mechanism cylinder stretched out, and said coke furnace carbonization chamber is in the coke pushing state of arts;
When the said first-hand way reversing valve of taking offence was changed to right, the piston mechanism cylinder was regained, and said coke furnace carbonization chamber is in the state of arts of coalingging;
When the said first-hand way reversing valve of taking offence was changed to meta, piston mechanism received the signal control of double-purpose valve door holder, and said coke furnace carbonization chamber is in the coking state of arts.
3. pressure control pneumatic unit sectional cabinet according to claim 1 and 2 is characterized in that:
Also comprise second-hand's way reversing valve of taking offence, the said second-hand way reversing valve of taking offence adopts the switching-over of two-bit triplet gas circuit, is used for that manually control is fast annotates opening or closing of ammoniacal liquor valve.
4. pressure control pneumatic unit sectional cabinet according to claim 3 is characterized in that:
Also comprise order gas control pilot valve with lock, can control the switching-over of this order gas control pilot valve with lock, thereby control upcast lid opens or closes through manual operation.
5. pressure control pneumatic unit sectional cabinet according to claim 4 is characterized in that:
Front end at said gas circuit integrated package is provided with vacuum breaker, is used to prevent that the power gas source that gets into said gas circuit integrated package from moving back to pipeline, simultaneously when source of the gas is died in short-term chien shih topworks keep original state.
6. pressure control pneumatic unit sectional cabinet according to claim 5 is characterized in that:
Comprise also and filter the pressure regulation unit that this filtration pressure regulation unit links to each other with said vacuum breaker, is used for filtering the impurity of power gas source, and adjusts the source of the gas WP in the said pressure control pneumatic unit sectional cabinet.
7. pressure control pneumatic unit sectional cabinet according to claim 6 is characterized in that:
On said gas circuit integrated package, be provided with the tolerance regulon, be used to regulate the gas flow that power gas source gets into said gas circuit integrated package.
8. pressure control pneumatic unit sectional cabinet according to claim 7 is characterized in that:
Install four exhausting silencer unit additional in the front of said gas circuit integrated package, be respectively applied for and carry out upcast lid and begin to rehearse that gas is eliminated the noise, the upcast lid closes exhausting silencer, annotate the ammoniacal liquor valve gas that begins to rehearse soon and eliminate the noise, annotate soon the ammoniacal liquor valve and close exhausting silencer.
9. pressure control pneumatic unit sectional cabinet according to claim 8 is characterized in that:
Also comprise electric switching and manual test button;
Said electric switching is used for the conversion of normal mode of operation and test pattern;
Said manual test button is used under said test pattern, realizing upcast lid and the fast test that opens or closes of annotating the ammoniacal liquor valve through the control to said SV.
10. pressure control pneumatic unit sectional cabinet according to claim 9 is characterized in that:
Said casing adopts 304 stainless materials, and said pipeline connects the bloated hoop formula type of attachment of employing stainless steel, and each tube stub adopts tapered mouthful of jointing of stainless steel, and said gas circuit integrated package adopts aviation aluminium precision sizing to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100627534A CN101580722B (en) | 2009-06-19 | 2009-06-19 | Pressure control pneumatic unit sectional cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100627534A CN101580722B (en) | 2009-06-19 | 2009-06-19 | Pressure control pneumatic unit sectional cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101580722A CN101580722A (en) | 2009-11-18 |
| CN101580722B true CN101580722B (en) | 2012-06-27 |
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| CN2009100627534A Expired - Fee Related CN101580722B (en) | 2009-06-19 | 2009-06-19 | Pressure control pneumatic unit sectional cabinet |
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| CN108215085B (en) * | 2016-12-14 | 2023-08-04 | 柳道万和(苏州)热流道系统有限公司 | Pneumatic electromagnetic valve assembly and hot runner system with same |
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| CN2641048Y (en) * | 2003-07-09 | 2004-09-15 | 武汉科技大学 | Monitor for pushing procedure |
| WO2008057403A2 (en) * | 2006-11-03 | 2008-05-15 | Howe-Baker Engineers, Ltd. | Method of performing a decoking cycle |
| CN201136849Y (en) * | 2007-12-06 | 2008-10-22 | 临汾同世达实业有限公司 | Automatic recognition device for regulating collecting main pressure of coke ovens |
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| CN101580722A (en) | 2009-11-18 |
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Application publication date: 20091118 Assignee: Wuhan Steel Engineering Technology Group Communication Co., Ltd. Assignor: Wuhan Iron & Steel (Group) Corp. Contract record no.: 2014420000065 Denomination of invention: Pressure control pneumatic unit sectional cabinet Granted publication date: 20120627 License type: Exclusive License Record date: 20140508 |
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