CN202732517U - Safety interlocking oil way of gas-making hydraulic control valve station of gas furnace - Google Patents
Safety interlocking oil way of gas-making hydraulic control valve station of gas furnace Download PDFInfo
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- CN202732517U CN202732517U CN 201220193083 CN201220193083U CN202732517U CN 202732517 U CN202732517 U CN 202732517U CN 201220193083 CN201220193083 CN 201220193083 CN 201220193083 U CN201220193083 U CN 201220193083U CN 202732517 U CN202732517 U CN 202732517U
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Abstract
The utility model relates to a hydraulic control system used for a gas-making valve station of a fixed bed gas furnace. A safety interlocking oil way of a gas-making hydraulic control valve station of a gas furnace provided by the utility model comprises an upwardly-blowing steam valve hydraulic cylinder, a three-way valve hydraulic cylinder, a downwardly-blowing steam valve hydraulic cylinder, a blowing valve hydraulic cylinder, an air baffle plate hydraulic cylinder, a first reversing valve, a second reversing valve, a third reversing valve, a fourth reversing valve, a fifth reversing valve, a sixth reversing valve, a seventh reversing valve, an eighth reversing valve, a first hydraulic control one-way valve and a second hydraulic control one-way valve, wherein each reversing valve is a two-position four-way electromagnetic reversing valve; oil inlets of the reversing valves are communicated with an oil inlet pipe; and oil return ports of the reversing valves are communicated with an oil return pipe. The safety interlocking oil way of the gas-making hydraulic control valve station of the gas furnace enables the three-way valve hydraulic cylinder and the downwardly-blowing steam valve hydraulic cylinder to form oil way interlocking together with the blowing valve hydraulic cylinder and the air baffle plate hydraulic cylinder through the arrangement of the first hydraulic control one-way valve at a working oil port A2 of the second reversing valve and the arrangement of the second hydraulic control one-way valve at a working oil port A3 of the third reversing valve; and therefore, the explosion accidents are prevented from occurring, and the equipment operation and the human safety are guaranteed.
Description
Technical field
The utility model relates to a kind of fixed bed gasifier, particularly relates to a kind of hydraulic control system for fixed bed gasifier air valve processed station.
Background technique
Oxygen enrichment, the intermittently work cycle control of the pipeline valve switch of dual-purpose gas stove, former employing automaton hydraulic pressure system, its shortcoming is the manpower intervention operation, and automaticity is low, and work tempo is fixed, and the gas making quality is restive.In addition, hydraulic pressure system leaks, and corrosion is serious, and energy consumption is large, and maintenance expenses is high.After changing in recent years the microcomputer HYDRAULIC CONTROL SYSTEM, have system effectiveness height, power saving, low in energy consumption, the advantages such as valve event is fast, actuation time is accurate, system's selflubricating, long service life, existing most of chemical fertilizer manufactory, coal gas or smelter etc. generally use micro-computer controlled hydraulic system.Being arranged at valve on the pipeline by strict control during gas stove coal gas processed opens with the logic beat that closes and concerns to realize.It is straight reciprocating motion that valve is opened with the action of closing, and adopts oil cylinder to link to each other with valve and just in time realizes This move, and because valve has only allowed standard-sized sheet and two extreme positions of full cut-off, two solenoid directional control valves are adopted in the control of forward and reverse motion of oil cylinder.The opening and close work cycle of gas stage pipeline valve processed, by the microcomputer output signal, the solenoid valve magnet in the control hydraulic system on the integrated valve block makes the selector valve commutation, thereby makes cylinder movement reverse, realizes opening and closing of valve.
The hydraulic system of gas making valve station of gas furnace, comprise valve station integrated package, chimney valve oil cylinder, blowing up steam valve oil cylinder, three-way valve oil cylinder, blowing down steam valve oil cylinder, blowing valve having oil cylinder, air register oil cylinder, steam valve oil cylinder, oxygen valve oil cylinder, large distributor oil cylinder, little distributor oil cylinder, push-pull valve oil cylinder, each oil cylinder is all controlled by solenoid directional control valve.The coal gas manufacturing generally divides five steps: blowing, blowing up, blowing down, secondary blowing up, air blow off.The most alarming is in the blowing down process, and the blowing valve having accident is opened, or the unexpected unlatching of three-way valve in the blowing process, all can cause air and coal gas to meet in equipment and blast, harm equipment and personal safety under the both of these case.
The model utility content
The technical problems to be solved in the utility model provides the safety interlocking oil circuit at a kind of gas stove gas-liquid pressure control valve processed station, can prevent the unexpected unlatching of blowing valve having or three-way valve, guarantees to produce and personal safety.
The safety interlocking oil circuit at a kind of gas stove of the utility model gas-liquid pressure control valve processed station, comprise chimney valve oil hydraulic cylinder, blowing up steam valve oil hydraulic cylinder, the three-way valve oil hydraulic cylinder, blowing down steam valve oil hydraulic cylinder, the blowing valve having oil hydraulic cylinder, the air register oil hydraulic cylinder, the steam valve oil hydraulic cylinder, the oxygen valve oil hydraulic cylinder, large distributor oil hydraulic cylinder, little distributor oil hydraulic cylinder, the push-pull valve oil hydraulic cylinder, first, second, the 3rd, the 4th, the 5th, the 6th, the 7th, the 8th selector valve, selector valve is two four-way electromagnetic reversing valves, first, second, the 3rd, the 4th, the 5th, the 6th, the 7th, the filler opening of the 8th selector valve all is communicated with oil inlet pipe, and return opening all is communicated with return tube; The actuator port A1 of the first selector valve is communicated with the rod chamber of chimney valve oil hydraulic cylinder, and the actuator port B1 of the first selector valve is communicated with the rodless cavity of chimney valve oil hydraulic cylinder; The actuator port A4 of the 4th selector valve is communicated with the rodless cavity of steam valve oil hydraulic cylinder, and the actuator port B4 of the 4th selector valve is communicated with the rod chamber of steam valve oil hydraulic cylinder; The actuator port A5 of the 5th selector valve and oxygen valve oil hydraulic cylinder) rodless cavity be communicated with, the actuator port B5 of the 5th selector valve is communicated with the rod chamber of oxygen valve oil hydraulic cylinder; The actuator port A6 of the 6th selector valve is communicated with the rodless cavity of large distributor oil hydraulic cylinder, and the actuator port B6 of the 6th selector valve is communicated with the rod chamber of large distributor oil hydraulic cylinder; The actuator port A7 of the 7th selector valve is communicated with the rodless cavity of little distributor oil hydraulic cylinder, and the actuator port B7 of the 7th selector valve is communicated with the rod chamber of little distributor oil hydraulic cylinder; The actuator port A8 of the 8th selector valve is communicated with the rodless cavity of push-pull valve oil hydraulic cylinder, the actuator port B8 of the 8th selector valve is communicated with the rod chamber of push-pull valve oil hydraulic cylinder, this device also comprises the first Pilot operated check valve and the second Pilot operated check valve, the actuator port A2 of the second selector valve is communicated with the hydraulic fluid port P of the first Pilot operated check valve, the hydraulic fluid port A of the first Pilot operated check valve and the rodless cavity of three-way valve oil hydraulic cylinder, the rodless cavity of blowing down steam valve oil hydraulic cylinder, the rod chamber of blowing up steam valve oil hydraulic cylinder all is communicated with, and the control port LS of the first Pilot operated check valve is communicated with the actuator port A3 of the 3rd selector valve; The actuator port B2 of the second selector valve all is communicated with the rod chamber of the rodless cavity of blowing up steam valve oil hydraulic cylinder, blowing down steam valve oil hydraulic cylinder, the rod chamber of three-way valve oil hydraulic cylinder; The actuator port A3 of the 3rd selector valve is communicated with the hydraulic fluid port P of the second Pilot operated check valve, the hydraulic fluid port A of the second Pilot operated check valve all is communicated with the rodless cavity of the rodless cavity of blowing valve having oil hydraulic cylinder, air register oil hydraulic cylinder, the control port LS of the second Pilot operated check valve is communicated with the actuator port A2 of the second selector valve, and the actuator port B3 of the 3rd selector valve all is communicated with the rod chamber of the rod chamber of blowing valve having oil hydraulic cylinder, air register oil hydraulic cylinder.
The safety interlocking oil circuit at a kind of gas stove of the utility model gas-liquid pressure control valve processed station also comprises valve station integrated package, and the first, second, third, fourth, the 5th, the 6th, the 7th, the 8th selector valve all is integrated on the integrated package of valve station.
The safety interlocking oil circuit difference from prior art at a kind of gas stove of the utility model gas-liquid pressure control valve processed station is that the utility model arranges the first Pilot operated check valve by the actuator port A2 place at the second selector valve, actuator port A3 place at the 3rd selector valve arranges the second Pilot operated check valve, make the three-way valve oil hydraulic cylinder, blowing down valve oil hydraulic cylinder and blowing valve having oil hydraulic cylinder, it is chain that the air register oil hydraulic cylinder consists of oil circuit, when three-way valve and blowing down steam valve are opened, blowing valve having and air register can not be opened, when blowing valve having and air register were opened, three-way valve and blowing down steam valve can not be opened; Prevented from guaranteeing equipment operation and personal safety because misoperation causes air and the coal gas accident of blasting after meeting in the gas stove bottom.
The utility model is described in further detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the structural representation of the safety interlocking oil circuit at a kind of gas stove of the utility model gas-liquid pressure control valve processed station.
Embodiment
As shown in Figure 1, the safety interlocking oil circuit at a kind of gas stove of the utility model gas-liquid pressure control valve processed station comprises the safety interlocking oil circuit at a kind of gas stove gas-liquid pressure control valve processed station, comprise valve station integrated package 24, the first Pilot operated check valve 22, the second Pilot operated check valve 23 chimney valve oil hydraulic cylinders 1, blowing up steam valve oil hydraulic cylinder 2, three-way valve oil hydraulic cylinder 3, blowing down steam valve oil hydraulic cylinder 4, blowing valve having oil hydraulic cylinder 5, air register oil hydraulic cylinder 6, steam valve oil hydraulic cylinder 7, oxygen valve oil hydraulic cylinder 8, large distributor oil hydraulic cylinder 9, little distributor oil hydraulic cylinder 10, push-pull valve oil hydraulic cylinder 11, be integrated with first on the valve station integrated package 24, second, the 3rd, the 4th, the 5th, the 6th, the 7th, the 8th selector valve 12,13,14,15,16,17,18,19, selector valve is two four-way electromagnetic reversing valves, first, second, the 3rd, the 4th, the 5th, the 6th, the 7th, the 8th selector valve 12,13,14,15,16,17,18,19 filler opening all is communicated with oil inlet pipe 20, and return opening all is communicated with return tube 21.
The actuator port A1 of the first selector valve 12 is communicated with the rod chamber of chimney valve oil hydraulic cylinder 1, and the actuator port B1 of the first selector valve 12 is communicated with the rodless cavity of chimney valve oil hydraulic cylinder 1; The actuator port A2 of the second selector valve 13 is communicated with the hydraulic fluid port P of the first Pilot operated check valve 22, the hydraulic fluid port A of the first Pilot operated check valve 22 all is communicated with the rodless cavity of the rodless cavity of three-way valve oil hydraulic cylinder 3, blowing down steam valve oil hydraulic cylinder 4, the rod chamber of blowing up steam valve oil hydraulic cylinder 2, the control port LS of the first Pilot operated check valve 22 is communicated with the actuator port A3 of the 3rd selector valve 14, and the actuator port B2 of the second selector valve 13 all is communicated with the rodless cavity of blowing up steam valve oil hydraulic cylinder 2, the rod chamber of blowing down steam valve oil hydraulic cylinder 4, the rod chamber of three-way valve oil hydraulic cylinder 3; The actuator port A3 of the 3rd selector valve 14 is communicated with the hydraulic fluid port P of the second Pilot operated check valve 23, the hydraulic fluid port A of the second Pilot operated check valve 23 all is communicated with the rodless cavity of the rodless cavity of blowing valve having oil hydraulic cylinder 5, air register oil hydraulic cylinder 6, the control port LS of the second Pilot operated check valve 23 is communicated with the actuator port A2 of the second selector valve 13, and the actuator port B3 of the 3rd selector valve 14 all is communicated with the rod chamber of the rod chamber of blowing valve having oil hydraulic cylinder 5, air register oil hydraulic cylinder 6; The actuator port A4 of the 4th selector valve 15 is communicated with the rodless cavity of steam valve oil hydraulic cylinder 7, and the actuator port B4 of the 4th selector valve 15 is communicated with the rod chamber of steam valve oil hydraulic cylinder 7; The actuator port A5 of the 5th selector valve 16 is communicated with the rodless cavity of oxygen valve oil hydraulic cylinder 8, and the actuator port B5 of the 5th selector valve 16 is communicated with the rod chamber of oxygen valve oil hydraulic cylinder 8; The actuator port A6 of the 6th selector valve 17 is communicated with the rodless cavity of large distributor oil hydraulic cylinder 9, and the actuator port B6 of the 6th selector valve 17 is communicated with the rod chamber of large distributor oil hydraulic cylinder 9; The actuator port A7 of the 7th selector valve 18 is communicated with the rodless cavity of little distributor oil hydraulic cylinder 10, and the actuator port B7 of the 7th selector valve 18 is communicated with the rod chamber of little distributor oil hydraulic cylinder 10; The actuator port A8 of the 8th selector valve 19 is communicated with the rodless cavity of push-pull valve oil hydraulic cylinder 11, and the actuator port B8 of the 8th selector valve 19 is communicated with the rod chamber of push-pull valve oil hydraulic cylinder 11.
Working principle of the present utility model is as follows:
When the outage of the first selector valve 12, pressure oil enters the rod chamber of chimney valve oil hydraulic cylinder 1 through the A1 mouth of oil inlet pipe 20, the first selector valve 12, and chimney valve oil hydraulic cylinder 1 piston rod is retracted, and the chimney valve is opened; When 12 energising of the first selector valve, its B1 mouth is communicated with pressure oil oil inlet pipe 20, and pressure oil enters the rodless cavity of chimney valve oil hydraulic cylinder 1, and piston rod stretches out, and the chimney valve cuts out.
When the second selector valve 13, when the 3rd selector valve 14 all cuts off the power supply, the A2 mouth of the second selector valve 13 is communicated with oil inlet pipe 20, the B2 mouth of the second selector valve 13 is communicated with return tube 21, the A3 mouth of the 3rd selector valve 14 is communicated with oil inlet pipe 20, the B3 mouth of the 3rd selector valve 14 is communicated with return tube 21, blowing up steam valve oil hydraulic cylinder 2 piston rods are retracted, and the blowing up steam valve is opened; The piston rod of three-way valve oil hydraulic cylinder 3, blowing down steam valve oil hydraulic cylinder 4, blowing valve having oil hydraulic cylinder 5 and air register oil hydraulic cylinder 6 all stretches out, and three-way valve, blowing down steam valve, blowing valve having and air register are all closed.
When 13 energisings of the second selector valve, during 14 outage of the 3rd selector valve, the A2 mouth of the second selector valve 13 is communicated with return tube 21, the B2 mouth of the second selector valve 13 is communicated with oil inlet pipe 20, the A3 mouth of the 3rd selector valve 14 is communicated with oil inlet pipe 20, the B3 mouth of the 3rd selector valve 14 is communicated with return tube 21, and blowing up steam valve oil hydraulic cylinder 2 piston rods stretch out, and the blowing up steam valve cuts out; At this moment, the first Pilot operated check valve 22 reverse-conductings, the second Pilot operated check valve 23 oppositely ends, the rodless cavity of the rodless cavity of three-way valve oil hydraulic cylinder 3 and blowing down steam valve oil hydraulic cylinder 4 all is communicated with return tube 21, the piston rod of three-way valve oil hydraulic cylinder 3, blowing down steam valve oil hydraulic cylinder 4 is all retracted, and three-way valve, blowing down steam valve are opened; The piston rod of blowing valve having oil hydraulic cylinder 5 and air register oil hydraulic cylinder 6 all stretches out, and blowing valve having and air register are all closed.
When 13 outages of the second selector valve, during 14 energising of the 3rd selector valve, the A2 mouth of the second selector valve 13 is communicated with oil inlet pipe 20, the B2 mouth of the second selector valve 13 is communicated with return tube 21, the A3 mouth of the 3rd selector valve 14 is communicated with return tube 21, the B3 mouth of the 3rd selector valve 14 is communicated with oil inlet pipe 20, and blowing up steam valve oil hydraulic cylinder 2 piston rods are retracted, and the blowing up steam valve is opened; The piston rod of three-way valve oil hydraulic cylinder 3, blowing down steam valve oil hydraulic cylinder 4 all stretches out, and three-way valve, blowing down steam valve are all closed; At this moment, the second Pilot operated check valve 23 reverse-conductings, the first Pilot operated check valve 22 oppositely ends, the rodless cavity of the rodless cavity of blowing valve having oil hydraulic cylinder 5 and air register oil hydraulic cylinder 6 all is communicated with return tube 21, the piston rod of blowing valve having oil hydraulic cylinder 5, air register oil hydraulic cylinder 6 is all retracted, and blowing valve having, air register are opened.
When the second selector valve 13, when the 3rd selector valve 14 is all switched on, the A2 mouth of the second selector valve 13 is communicated with return tube 21, the B2 mouth of the second selector valve 13 is communicated with oil inlet pipe 20, the A3 mouth of the 3rd selector valve 14 is communicated with return tube 21, the B3 mouth of the 3rd selector valve 14 is communicated with oil inlet pipe 20, blowing up steam valve oil hydraulic cylinder 2 piston rods stretch out, and the blowing up steam valve cuts out; At this moment, the first Pilot operated check valve 22, the second Pilot operated check valve 23 be oppositely cut-off all, the piston rod of three-way valve oil hydraulic cylinder 3, blowing down steam valve oil hydraulic cylinder 4, blowing valve having oil hydraulic cylinder 5 and air register oil hydraulic cylinder 6 all maintains the original state, and three-way valve, blowing down steam valve can not opened simultaneously with blowing valve having, air register.Break down or system cut-off when re-powering after jumping car in system, simultaneously electrification phenomenon of the second selector valve 13, the 3rd selector valve 14 might appear, because the non-return effect of first, second Pilot operated check valve 23, be that three-way valve oil hydraulic cylinder 3 rodless cavities, blowing down steam valve oil hydraulic cylinder 4 rodless cavities, blowing up steam valve oil hydraulic cylinder 2 rod chambers, blowing valve having oil hydraulic cylinder 5 rodless cavities, the 6 rodless cavity oil returns of air register oil hydraulic cylinder can't return fuel tank, so above-mentioned oil cylinder all can not move, still be in the emergency position of power failure state, pernicious explosive accident can not occur.
When 15 outage of the 4th selector valve, the A4 mouth of the 4th selector valve 15 is communicated with oil inlet pipe 20, and the B4 mouth is communicated with return tube 21, and steam valve oil hydraulic cylinder 7 piston rods stretch out, and steam valve cuts out; When 15 energising of the 4th selector valve, its A4 mouth is communicated with return tube 21, and the B4 mouth is communicated with oil inlet pipe 20, and steam valve oil hydraulic cylinder 7 piston rods are retracted, and steam valve is opened.
When 16 outage of the 5th selector valve, the A5 mouth of the 5th selector valve 16 is communicated with oil inlet pipe 20, and the B5 mouth is communicated with return tube 21, and the piston rod of oxygen valve oil hydraulic cylinder 8 stretches out, and oxygen valve is closed; When 16 energising of the 5th selector valve, the A5 mouth of the 5th selector valve 16 is communicated with return tube 21, and the B5 mouth of the 3rd selector valve 14 is communicated with oil inlet pipe 20, and oxygen valve oil hydraulic cylinder 8 piston rods are retracted, and oxygen valve is opened.
When 17 outage of the 6th selector valve, the A6 mouth of the 6th selector valve 17 is communicated with oil inlet pipe 20, and the B6 mouth is communicated with return tube 21, and large distributor oil hydraulic cylinder 9 piston rods stretch out, and large distributor cuts out; When 17 energising of the 6th selector valve, its A6 mouth is communicated with return tube 21, and the B6 mouth is communicated with oil inlet pipe 20, and large distributor oil hydraulic cylinder 9 piston rods are retracted, and large distributor is opened.
When 18 outage of the 7th selector valve, the A7 mouth of the 7th selector valve 18 is communicated with oil inlet pipe 20, and the B7 mouth is communicated with return tube 21, and little distributor oil hydraulic cylinder 10 piston rods stretch out, and little distributor cuts out; When 18 energising of the 7th selector valve, its A7 mouth is communicated with return tube 21, and the B7 mouth is communicated with oil inlet pipe 20, and little distributor oil hydraulic cylinder 10 piston rods are retracted, and little distributor is opened.
When 19 outage of the 8th selector valve, the A8 mouth of the 8th selector valve 19 is communicated with oil inlet pipe 20, and the B8 mouth is communicated with return tube 21, and push-pull valve oil hydraulic cylinder 11 piston rods stretch out, and push-pull valve cuts out; When 19 energising of the 8th selector valve, the A8 mouth of the 8th selector valve 19 is communicated with return tube 21, and the B8 mouth is communicated with oil inlet pipe 20, and push-pull valve oil hydraulic cylinder 11 piston rods are retracted, and push-pull valve is opened.
Above-described embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model all should fall in the definite protection domain of the utility model claims.
Claims (2)
1. the safety interlocking oil circuit at a gas stove gas-liquid pressure control valve processed station, comprise chimney valve oil hydraulic cylinder (1), blowing up steam valve oil hydraulic cylinder (2), three-way valve oil hydraulic cylinder (3), blowing down steam valve oil hydraulic cylinder (4), blowing valve having oil hydraulic cylinder (5), air register oil hydraulic cylinder (6), steam valve oil hydraulic cylinder (7), oxygen valve oil hydraulic cylinder (8), large distributor oil hydraulic cylinder (9), little distributor oil hydraulic cylinder (10), push-pull valve oil hydraulic cylinder (11), first, second, the 3rd, the 4th, the 5th, the 6th, the 7th, the 8th selector valve (12,13,14,15,16,17,18,19), described selector valve is two four-way electromagnetic reversing valves, first, second, the 3rd, the 4th, the 5th, the 6th, the 7th, the 8th selector valve (12,13,14,15,16,17,18,19) filler opening all is communicated with oil inlet pipe (20), and return opening all is communicated with return tube (21);
The actuator port A1 of described the first selector valve (12) is communicated with the rod chamber of chimney valve oil hydraulic cylinder (1), and the actuator port B1 of the first selector valve (12) is communicated with the rodless cavity of chimney valve oil hydraulic cylinder (1); The actuator port A4 of the 4th selector valve (15) is communicated with the rodless cavity of steam valve oil hydraulic cylinder (7), and the actuator port B4 of the 4th selector valve (15) is communicated with the rod chamber of steam valve oil hydraulic cylinder (7); The actuator port A5 of the 5th selector valve (16) is communicated with the rodless cavity of oxygen valve oil hydraulic cylinder (8), and the actuator port B5 of the 5th selector valve (16) is communicated with the rod chamber of oxygen valve oil hydraulic cylinder (8); The actuator port A6 of the 6th selector valve (17) is communicated with the rodless cavity of large distributor oil hydraulic cylinder (9), and the actuator port B6 of the 6th selector valve (17) is communicated with the rod chamber of large distributor oil hydraulic cylinder (9); The actuator port A7 of the 7th selector valve (18) is communicated with the rodless cavity of little distributor oil hydraulic cylinder (10), and the actuator port B7 of the 7th selector valve (18) is communicated with the rod chamber of little distributor oil hydraulic cylinder (10); The actuator port A8 of the 8th selector valve (19) is communicated with the rodless cavity of push-pull valve oil hydraulic cylinder (11), and the actuator port B8 of the 8th selector valve (19) is communicated with the rod chamber of push-pull valve oil hydraulic cylinder (11),
It is characterized in that: also comprise the first Pilot operated check valve (22) and the second Pilot operated check valve (23), the actuator port A2 of described the second selector valve (13) is communicated with the hydraulic fluid port P of the first Pilot operated check valve (22), the rodless cavity of the hydraulic fluid port A of the first Pilot operated check valve (22) and three-way valve oil hydraulic cylinder (3), the rodless cavity of blowing down steam valve oil hydraulic cylinder (4), the rod chamber of blowing up steam valve oil hydraulic cylinder (2) all is communicated with, and the control port LS of the first Pilot operated check valve (22) is communicated with the actuator port A3 of the 3rd selector valve (14); The actuator port B2 of the second selector valve (13) all is communicated with the rodless cavity of blowing up steam valve oil hydraulic cylinder (2), the rod chamber of blowing down steam valve oil hydraulic cylinder (4), the rod chamber of three-way valve oil hydraulic cylinder (3);
The actuator port A3 of described the 3rd selector valve (14) is communicated with the hydraulic fluid port P of the second Pilot operated check valve (23), the hydraulic fluid port A of the second Pilot operated check valve (23) all is communicated with the rodless cavity of the rodless cavity of blowing valve having oil hydraulic cylinder (5), air register oil hydraulic cylinder (6), the control port LS of the second Pilot operated check valve (23) is communicated with the actuator port A2 of the second selector valve (13), and the actuator port B3 of the 3rd selector valve (14) all is communicated with the rod chamber of the rod chamber of blowing valve having oil hydraulic cylinder (5), air register oil hydraulic cylinder (6).
2. the safety interlocking oil circuit at a kind of gas stove according to claim 1 gas-liquid pressure control valve processed station, it is characterized in that: also comprise valve station integrated package (24), described the first, second, third, fourth, the 5th, the 6th, the 7th, the 8th selector valve (12,13,14,15,16,17,18,19) all is integrated on the valve station integrated package (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220193083 CN202732517U (en) | 2012-04-28 | 2012-04-28 | Safety interlocking oil way of gas-making hydraulic control valve station of gas furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220193083 CN202732517U (en) | 2012-04-28 | 2012-04-28 | Safety interlocking oil way of gas-making hydraulic control valve station of gas furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202732517U true CN202732517U (en) | 2013-02-13 |
Family
ID=47658220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220193083 Expired - Fee Related CN202732517U (en) | 2012-04-28 | 2012-04-28 | Safety interlocking oil way of gas-making hydraulic control valve station of gas furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202732517U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352588A (en) * | 2022-01-06 | 2022-04-15 | 中国人民解放军92228部队 | Overwater hydraulic transmission system, control method and amphibious vehicle comprising system |
-
2012
- 2012-04-28 CN CN 201220193083 patent/CN202732517U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352588A (en) * | 2022-01-06 | 2022-04-15 | 中国人民解放军92228部队 | Overwater hydraulic transmission system, control method and amphibious vehicle comprising system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20160428 |