CN203513572U - Unit control cabinet of pneumatic execution mechanism - Google Patents
Unit control cabinet of pneumatic execution mechanism Download PDFInfo
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- CN203513572U CN203513572U CN201320560771.7U CN201320560771U CN203513572U CN 203513572 U CN203513572 U CN 203513572U CN 201320560771 U CN201320560771 U CN 201320560771U CN 203513572 U CN203513572 U CN 203513572U
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- cabinet
- solenoid operated
- operated directional
- directional valve
- valve
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Abstract
The utility model relates to a unit control cabinet of a pneumatic execution mechanism. The unit control cabinet comprises a cabinet body, air source treatment devices, electromagnetic reversing valves, speed control valves, an operation panel, buttons, gas circuit manifold blocks, gas circuit main valves, pipelines and pipe fittings, wherein the gas circuit main valves, the air source treatment devices and the speed control valves are sequentially connected through the pipelines and the pipe fittings; the operation panel and the buttons are arranged in the cabinet body; the buttons are arranged on the operation panel; indicator lamps are also arranged on the operation panel, and the buttons comprise switching knobs and knob switches. The unit control cabinet has the advantages that the field mounting and the debugging are facilitated; the electromagnetic reversing valves and the speed control valves are matched to be used in an inner gas circuit, so that the gas circuit is greatly simplified by functional integration, and the high reaction efficiency and the high reaction speed are ensured; due to the adoption of the stainless steel cabinet body and totally-stainless steel sealing pipe fittings, the adaptability and the durability of a pneumatic control unit combination under severe working conditions of a coking furnace are ensured.
Description
Technical field
The present invention relates to the manual and automatic control device of the pneumatic actuator of capacity coke oven upcast manhole cover open and close system and high-low pressure ammoniacal liquor switched system, relate in particular to a kind of unit control cabinet of pneumatic actuator.
Background technology
At present, oneself generally adopts automated control technology coke furnace system, upcast manhole cover in coke oven coal-charging and coke pushing operation opens and closes and the switching of high-low pressure ammoniacal liquor changes Long-distance Control mode into by original manual regulation mode, thereby realize coke oven at coke pushing, unmanned and the full-automatic operation of coalingging in process, further improve the quality of coke, reduce environmental pollution degree.The switching of upcast manhole cover and the high-low pressure ammoniacal liquor switched system of capacity coke oven are explosion-proof for fire safety, transfer electrical control to gas circuit control by solenoid operated directional valve, with this, realize relevant pneumatic actuator on the spot or telesecurity operation.At present, the unit control cabinet of existing pneumatic actuator also exists a lot of deficiencies to need further to be transformed, and is mainly manifested in the following aspects:
1, the unit control cabinet of pneumatic actuator is without emergency operation function on the spot, when Long-distance Control fault or technique need on the spot emergency operation, must switch operating mode, just can carry out the independent operation of the switching of upcast manhole cover, the switching of high-low pressure ammoniacal liquor, production and maintenance are brought to very big inconvenience.
2, in the unit control cabinet of pneumatic actuator, in solenoid operated directional valve, be provided with the speed-regulating valve of precision machined gas circuit, mechanical seal, all demand motive medium is dry pure, but the not integrated air supply processing equipment of air-channel system, once drive source of the gas to contain impurity, very easily cause the even gas circuit of wearing and tearing to stop up and cisco unity malfunction to its gas circuit.
3, the unit control cabinet of pneumatic actuator is installed on coke oven collecting main operator's console inner side, work condition environment is severe, and temperature height is easily subject to flame and scorches, and easily damages electromagnetic control element in housing, therefore very high to the anti-hazard classification requirement of housing integral body, should be not less than IP54.
4, the unit control cabinet of pneumatic actuator produces very large exhaust noise in the course of the work.
Number of patent application: 200910062753.4 disclose a kind of pressure control pneumatic unit sectional cabinet, can realize the pressure-controlling of coking chamber in coking production process, this combination sideboard can only regulation system pressure, cannot realize the switching between high pressure aqua ammonia and low pressure ammoniacal liquor, complicated structure.
Summary of the invention
For overcoming the deficiencies in the prior art, the unit control cabinet that the object of this invention is to provide a kind of pneumatic actuator, without switching operating mode, just can be able to carry out the independent operation of the switching of upcast manhole cover, the switching of high-low pressure ammoniacal liquor, maintain easily, can reduce source of the gas impurity, improve anti-hazard classification, reduce noise.
For achieving the above object, the present invention is achieved through the following technical solutions:
A kind of unit control cabinet of pneumatic actuator, comprise cabinet, air supply processing equipment, solenoid operated directional valve, speed-regulating valve, operating panel, button, gas path integrated block, gas circuit main valve, pipeline and pipe fitting, gas circuit main valve, air supply processing equipment, speed-regulating valve are connected by pipeline and pipe fitting successively; Operating panel and button are located in cabinet, and button is located on operating panel, are also provided with pilot lamp on operating panel, and described button comprises switch knob, twist switch;
On operating panel, corresponding each firehole hole arranges respectively " on the spot/long-range " switch knob, described " on the spot/long-range " switch knob is connected with gas path integrated block, when " on the spot/long-range " switch knob is got on the spot state, watch-keeping cubicle is controlled inoperative, and give watch-keeping cubicle signal, show it is local operation state;
Under running status on the spot, on housing panel, corresponding each solenoid operated directional valve is respectively arranged with the three manually operated twist switches in position, be respectively: open/stop/close the manual operation knob switch of three positions, open and close position respectively control cylinder is stretched out and is retracted, thereby opens and closes manhole cover; Or realize and switching between high pressure aqua ammonia and low pressure ammoniacal liquor; When twist switch is switched to off-position and puts, just switch to remote auto state of a control;
When switch knob is got to remote status, be watch-keeping cubicle automatic control state, local operation is inoperative; Each firehole arranges separately power switch function;
Described solenoid operated directional valve is selected twin coil form, and with hand push button, when coil breaks down, by manual operation solenoid operated directional valve, cylinder is moved; When remote auto is controlled, when cylinder is stretched, is reduced to when spacing, magnetic switch sends signal to watch-keeping cubicle, watch-keeping cubicle makes two coils while dead electricity of solenoid operated directional valve, the solenoid operated directional valve vent position that mediates, make two pores that lead to cylinder in pressure release state, cylinder pressure at two ends is discharged into atmosphere, in free state;
Described speed-regulating valve is the air volume regulating device in cabinet, for regulating source of the gas to enter the gas flow of solenoid operated directional valve.
Described solenoid operated directional valve is 3 position-5 way mid-way pressure release type; When coke pushing, by blocked operation, open upcast manhole cover, by solenoid operated directional valve, pass into low pressure ammoniacal liquor; When coalingging, by blocked operation, close upcast manhole cover, by solenoid operated directional valve, pass into high pressure aqua ammonia; Described solenoid operated directional valve is with pilot lamp and Overvoltage Protection, and working pressure scope is 0.2 ~ 0.7MPa.
Described air supply processing equipment is provided with bleed pressure table, is provided with filter core, automatic bailer in described air supply processing equipment, and filter element filtering precision is 5um.
Described cabinet is stainless steel, is fixed on the inner side of effuser operator's console with channel-section steel, and in cabinet, pipeline material adopts stainless steel; Cabinet is opened layer door structure for two, and the first layer is protection cabinet door, and button, operating panel are located on the interior second layer panel of cabinet; Cabinet is provided with pipe interface, switching line cable joint, cabinet power cable joint, the cabinet DI/DO mouth cable connector of pneumatic actuator.
Described pipeline and pipe fitting adopt stainless steel section, and the connection of described pipeline adopts the swollen hoop formula of stainless steel type of attachment, and each tube stub adopts tapered mouthful of jointing of stainless steel.
The described pipeline end being connected with speed-regulating valve arranges four exhausting silencer unit, is respectively used to carry out upcast manhole cover and opens that exhausting silencer, upcast manhole cover close exhausting silencer, high pressure ammonia water valve begins to rehearse, and gas is eliminated the noise, high pressure ammonia water valve closes exhausting silencer.
Compared with prior art, the invention has the beneficial effects as follows:
Be applied to that capacity coke oven is coaling and the production control technique of coke pushing, site installation test is convenient, is provided with that upcast manhole cover opens and closes and the hand push button of high-low pressure ammoniacal liquor switching, for installation, routine maintenance and maintenance facilitate.Inner air path adopts solenoid operated directional valve and speed-regulating valve to coordinate, and by the integrated gas circuit of greatly simplifying of function, reaction is rapidly efficient.Adopt stainless steel cabinet and all steel sealed pipe fittings, ensure adaptability and the wearing quality of pneumatic control unit combination under coke oven bad working environments.
Accompanying drawing explanation
Fig. 1 is the pneumatic schematic diagram of the unit control cabinet of pneumatic actuator of the present invention.
Fig. 2 is the unit control cabinet card layout drawing of pneumatic actuator of the present invention.
Fig. 3 is the interior schematic diagram of arranging of the unit control cabinet cabinet of pneumatic actuator of the present invention.
In figure: 1-gas circuit main valve 2-air supply processing equipment 3-bleed pressure table 4-speed-regulating valve 5-solenoid operated directional valve 6-muffling unit 7-vacuum breaker 8-switch knob 9-twist switch 10-pilot lamp.
Embodiment
Below in conjunction with Figure of description, the present invention is described in detail, but should be noted that enforcement of the present invention is not limited to following embodiment.
See Fig. 1-Fig. 3, the unit control cabinet of pneumatic actuator, comprises the gas circuit main valve 1, air supply processing equipment 2, the speed-regulating valve 4 that by pipeline and pipe fitting, are connected successively, cabinet, solenoid operated directional valve 5, operating panel and button; Operating panel and button are located in cabinet, and button is located on operating panel, are also provided with pilot lamp 10 on operating panel, and described button comprises switch knob 8, twist switch 9.
On operating panel, corresponding each firehole hole arranges respectively " on the spot/long-range " switch knob 8, described " on the spot/long-range " switch knob 8 is connected with gas path integrated block, when " on the spot/long-range " switch knob 8 is got on the spot state, watch-keeping cubicle is controlled inoperative, and give watch-keeping cubicle signal, show it is local operation state.
Under running status on the spot, on housing panel, corresponding each solenoid operated directional valve 5 is respectively arranged with the three manually operated twist switches 9 in position, be respectively: open/stop/close the manual operation knob switch 9 of three positions, open and close position respectively control cylinder is stretched out and is retracted, thereby opening and closing manhole cover, and realize and switching between high pressure aqua ammonia and low pressure ammoniacal liquor; When twist switch 9 is switched to off-position and puts, just switch to remote auto state of a control.
When switch knob 8 is got to remote status, be watch-keeping cubicle automatic control state, local operation is inoperative; Each firehole arranges separately power switch.
During local operation, panel configuration has the operation pilot lamp 10 that puts in place, greenly opens or high pressure aqua ammonia sprays for manhole cover, redly seals or the sprinkling of low pressure ammoniacal liquor for manhole cover.After local operation completes, in the middle of position operation knob being reverted to, be " stopping " position, just switch to remote auto and control.
Described solenoid operated directional valve 5 is selected twin coil form, and with hand push button, when coil breaks down, by manual operation solenoid operated directional valve 5, cylinder is moved; When remote auto is controlled, when cylinder is stretched, is reduced to when spacing, magnetic switch sends signal to watch-keeping cubicle, watch-keeping cubicle makes two coils while dead electricity of solenoid operated directional valve 5, solenoid operated directional valve 5 vent position that mediates, make two pores that lead to cylinder in pressure release state, cylinder pressure at two ends is discharged into atmosphere, in free state;
Described speed-regulating valve 4 is the air volume regulating device in cabinet, for regulating source of the gas to enter the gas flow of solenoid operated directional valve 5.
Described cabinet adopts stainless steel 06Cr19Ni10, is mounted on the inner side (the pact mid-ways of 5 hole coking chambers) of effuser operator's console with channel-section steel, and in cabinet, pipeline material adopts stainless steel.Cabinet is opened layer door structure for two, and the first layer is protection cabinet door, and button is in cabinet on second layer panel, and cabinet is fire-proof and explosion-proof, and integral protection grade is IP65.Cabinet is according to pipe interface, switching line cable joint, cabinet power cable joint, the cabinet DI/DO mouth cable connector of the reserved pneumatic actuator of process requirements.
Described air supply processing equipment 2, for filtering the impurity of source of the gas, is adjusted the source of the gas operating pressure of the unit control cabinet of described pneumatic actuator.Air supply processing equipment 2 adopts import filter core, and filtering accuracy reaches 5um, possesses automatic drainage function.Each cabinet is equipped with 2 liang of covers of air supply processing equipment, comprising bleed pressure indicating gauge.
Described air supply processing equipment 2 is provided with bleed pressure table 3, in described air supply processing equipment 2, is provided with filter core, automatic bailer, and filter element filtering precision is 5um.Described automatic bailer is mainly comprised of moisture eliminator and water vent, drainage pipeline, in cupboard bottom surface, is provided with water vent, and moisture eliminator is connected with drainage pipeline, and pipe end is connected with water vent.
Described solenoid operated directional valve 5 is 3 position-5 way mid-way pressure release type, for realize the switching of upcast manhole cover, the switching of high-low pressure ammoniacal liquor, the conversion that realizes the coke pushing of coke furnace carbonization chamber and coaling between two kinds of techniques with this by blocked operation; Both when coke pushing, by blocked operation, open upcast manhole cover, by solenoid operated directional valve 5, passed into low pressure ammoniacal liquor; When coalingging, by blocked operation, close upcast manhole cover, by solenoid operated directional valve 5, pass into high pressure aqua ammonia; Solenoid operated directional valve 5 comprises pilot lamp 10 and Overvoltage Protection, and working pressure scope is 0.2 ~ 0.7MPa; Allow manual operation, for instrument is depressed manual operation type, degree of protection is IP65 simultaneously.
On solenoid operated directional valve 5, there is manual operation button, need under powering-off state, carry out.Use instrument presses the button (in housing, having disposed operational tool), by manual operation, between 3 positions of solenoid operated directional valve 5, changes, and realizes that cylinder stretches out or retract action, the switching between high-low pressure ammoniacal liquor.
Described speed-regulating valve 4 is the tolerance regulon in cabinet, for regulating source of the gas to enter the gas flow of described solenoid operated directional valve 5.
Described pipeline and pipe fitting adopt stainless steel section, and described pipeline connects the swollen hoop formula of employing stainless steel type of attachment, and each tube stub adopts tapered mouthful of jointing of stainless steel.
The unit control cabinet of described pneumatic actuator installs four exhausting silencer unit 6 additional at pipeline end, is respectively used to carry out upcast manhole cover and opens that exhausting silencer, upcast manhole cover close exhausting silencer, high pressure ammonia water valve begins to rehearse, and gas is eliminated the noise, high pressure ammonia water valve closes exhausting silencer.
Embodiment:
The unit control cabinet of this pneumatic actuator mainly adopts speed-regulating valve 4, vacuum breaker 7, solenoid operated directional valve 5, and coordinates the formants such as gas path integrated block and switching push button to carry out logical combination to complete technology controlling and process.
See Fig. 1, the state of a control button on housing panel, when " on the spot " state, can carry out the manual operation of pneumatic actuator.When entering coke pushing ready state, switching push button is positioned at left position " opening ", and pressurized air, through gas circuit main valve 1, air supply processing equipment 2, after speed-regulating valve 44 coutroi velocities, enters solenoid operated directional valve 55 promotion cylinders and stretches out, and realizes opening of upcast manhole cover.After coke pushing finishes, switching push button is positioned at right position " pass ", and the pressurized air in pipeline is realized noiseless discharge through vacuum breaker 7 and muffling unit 6, removes the working order of cylinder, realizes closing of upcast manhole cover.When coking state after coalingging, switching push button is positioned at meta and " stops ".State of a control switching push button on housing panel, when " long-range " state, can be realized the Remote Open of upcast manhole cover and close at master control room.
See Fig. 1, the state of a control button on housing panel, when " on the spot " state, can carry out the manual operation of high-low pressure ammoniacal liquor switching.After finishing, coke pushing enters while coalingging state, switching push button is positioned at left position " height ", and pressurized air is through gas circuit main valve 1, air supply processing equipment 2, after speed-regulating valve 44 coutroi velocities, enter solenoid operated directional valve 55 and promote the action of high-low pressure ammoniacal liquor tee ball valve, realize switching and the sprinkling of high pressure aqua ammonia.After finishing when coalingging, switching push button is positioned at right position " low ", and the pressurized air in pipeline is realized noiseless discharge through vacuum breaker 7 and muffling unit 6, changes the working order of high-low pressure ammoniacal liquor tee ball valve, realizes switching and the sprinkling of low pressure ammoniacal liquor.State of a control switching push button on housing panel, when " long-range " state, can be realized long-range switching and the sprinkling of high-low pressure ammoniacal liquor at master control room.
See Fig. 2, one of the corresponding state of a control switching push button of every hole coke furnace carbonization chamber, one, manhole cover open and close controlling button, 10 1 of manhole cover off-position pilot lamp, manhole cover are opened 10 1 of pilot lamp, one, high-low pressure ammoniacal liquor switching controls button, 10 1 of high pressure aqua ammonia pilot lamp, 10 1 of low pressure ammoniacal liquor pilot lamp.
Each cabinet is equipped with gas circuit main valve 1, speed-regulating valve 4, muffling unit 6,2 liang of covers of air supply processing equipment, comprising bleed pressure indicating gauge.
The present invention is applied to that capacity coke oven is coaling and the production control technique of coke pushing, and site installation test is convenient, is provided with that upcast manhole cover opens and closes and the hand push button of high-low pressure ammoniacal liquor switching, for installation, routine maintenance and maintenance facilitate.Inner air path adopts solenoid operated directional valve 5 and speed-regulating valve to coordinate, and by the integrated gas circuit of greatly simplifying of function, reaction is rapidly efficient.Adopt stainless steel cabinet and all steel sealed pipe fittings, ensure adaptability and the wearing quality of pneumatic control unit combination under coke oven bad working environments.
Claims (6)
1. the unit control cabinet of a pneumatic actuator, it is characterized in that, comprise cabinet, air supply processing equipment, solenoid operated directional valve, speed-regulating valve, operating panel, button, gas path integrated block, gas circuit main valve, pipeline and pipe fitting, gas circuit main valve, air supply processing equipment, speed-regulating valve are connected by pipeline and pipe fitting successively; Operating panel and button are located in cabinet, and button is located on operating panel, are also provided with pilot lamp on operating panel, and described button comprises switch knob, twist switch;
On operating panel, corresponding each firehole hole arranges respectively " on the spot/long-range " switch knob, described " on the spot/long-range " switch knob is connected with gas path integrated block, when " on the spot/long-range " switch knob is got on the spot state, watch-keeping cubicle is controlled inoperative, and give watch-keeping cubicle signal, show it is local operation state;
Under running status on the spot, on housing panel, corresponding each solenoid operated directional valve is respectively arranged with the three manually operated twist switches in position, be respectively: open/stop/close the manual operation knob switch of three positions, open and close position respectively control cylinder is stretched out and is retracted, thereby opening and closing manhole cover, and realize and switching between high pressure aqua ammonia and low pressure ammoniacal liquor; When twist switch is switched to off-position and puts, just switch to remote auto state of a control;
When switch knob is got to remote status, be watch-keeping cubicle automatic control state, local operation is inoperative; Each firehole arranges separately power switch;
Described solenoid operated directional valve is selected twin coil form, and with hand push button, when coil breaks down, by manual operation solenoid operated directional valve, cylinder is moved; When remote auto is controlled, when cylinder is stretched, is reduced to when spacing, magnetic switch sends signal to watch-keeping cubicle, watch-keeping cubicle makes two coils while dead electricity of solenoid operated directional valve, the solenoid operated directional valve vent position that mediates, make two pores that lead to cylinder in pressure release state, cylinder pressure at two ends is discharged into atmosphere, in free state;
Described speed-regulating valve is the air volume regulating device in cabinet, for regulating source of the gas to enter the gas flow of solenoid operated directional valve.
2. the unit control cabinet of a kind of pneumatic actuator according to claim 1, is characterized in that, described solenoid operated directional valve is 3 position-5 way mid-way pressure release type; When coke pushing, by blocked operation, open upcast manhole cover, by solenoid operated directional valve, pass into low pressure ammoniacal liquor; When coalingging, by blocked operation, close upcast manhole cover, by solenoid operated directional valve, pass into high pressure aqua ammonia; Described solenoid operated directional valve is with pilot lamp and Overvoltage Protection, and working pressure scope is 0.2 ~ 0.7MPa.
3. the unit control cabinet of a kind of pneumatic actuator according to claim 1, is characterized in that, described air supply processing equipment is provided with bleed pressure table, is provided with filter core, automatic bailer in described air supply processing equipment, and filter element filtering precision is 5um.
4. the unit control cabinet of a kind of pneumatic actuator according to claim 1, is characterized in that, described cabinet is stainless steel, is fixed on the inner side of effuser operator's console with channel-section steel, and in cabinet, pipeline material adopts stainless steel; Cabinet is opened layer door structure for two, and the first layer is protection cabinet door, and button, operating panel are located on the interior second layer panel of cabinet; Cabinet is provided with pipe interface, switching line cable joint, cabinet power cable joint, the cabinet DI/DO mouth cable connector of pneumatic actuator.
5. the unit control cabinet of a kind of pneumatic actuator according to claim 1, it is characterized in that, described pipeline and pipe fitting adopt stainless steel section, and the connection of described pipeline adopts the swollen hoop formula of stainless steel type of attachment, and each tube stub adopts tapered mouthful of jointing of stainless steel.
6. the unit control cabinet of a kind of pneumatic actuator according to claim 1, it is characterized in that, the described pipeline end being connected with speed-regulating valve arranges four exhausting silencer unit, is respectively used to carry out upcast manhole cover and opens that exhausting silencer, upcast manhole cover close exhausting silencer, high pressure ammonia water valve begins to rehearse, and gas is eliminated the noise, high pressure ammonia water valve closes exhausting silencer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320560771.7U CN203513572U (en) | 2013-09-10 | 2013-09-10 | Unit control cabinet of pneumatic execution mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320560771.7U CN203513572U (en) | 2013-09-10 | 2013-09-10 | Unit control cabinet of pneumatic execution mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203513572U true CN203513572U (en) | 2014-04-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320560771.7U Withdrawn - After Issue CN203513572U (en) | 2013-09-10 | 2013-09-10 | Unit control cabinet of pneumatic execution mechanism |
Country Status (1)
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|---|---|
| CN (1) | CN203513572U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103484133A (en) * | 2013-09-10 | 2014-01-01 | 中冶焦耐工程技术有限公司 | Unit control cabinet for pneumatic actuating mechanism |
| CN108614457A (en) * | 2018-05-29 | 2018-10-02 | 山东沃柏斯实验室工程有限公司 | A kind of special switch board in laboratory |
-
2013
- 2013-09-10 CN CN201320560771.7U patent/CN203513572U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103484133A (en) * | 2013-09-10 | 2014-01-01 | 中冶焦耐工程技术有限公司 | Unit control cabinet for pneumatic actuating mechanism |
| CN103484133B (en) * | 2013-09-10 | 2015-03-04 | 中冶焦耐工程技术有限公司 | Unit control cabinet for pneumatic actuating mechanism |
| CN108614457A (en) * | 2018-05-29 | 2018-10-02 | 山东沃柏斯实验室工程有限公司 | A kind of special switch board in laboratory |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140402 Effective date of abandoning: 20150304 |
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| RGAV | Abandon patent right to avoid regrant |