CN106089821A - A kind of coal-gas recovering bell-shaped valve hydraulic control device - Google Patents
A kind of coal-gas recovering bell-shaped valve hydraulic control device Download PDFInfo
- Publication number
- CN106089821A CN106089821A CN201610738271.6A CN201610738271A CN106089821A CN 106089821 A CN106089821 A CN 106089821A CN 201610738271 A CN201610738271 A CN 201610738271A CN 106089821 A CN106089821 A CN 106089821A
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- Prior art keywords
- valve
- hydraulic control
- oil cylinder
- bell
- coal
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/024—Installations or systems with accumulators used as a supplementary power source, e.g. to store energy in idle periods to balance pump load
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/044—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The present invention provides a kind of coal-gas recovering bell-shaped valve hydraulic control device, including oil cylinder and hydraulic control device;Including oil cylinder, accumulator, major loop oil return pipe, main drain mast and main oil inlet pipe, first hydraulic fluid port and second hydraulic fluid port of described oil cylinder are connected to the 3rd high-pressure ball valve, the 4th high-pressure ball valve, described 3rd high-pressure ball valve and the 4th high-pressure ball valve other end are connected with overlapping two, stacking type hydraulic control check valve and solenoid directional control valve in turn, and described solenoid directional control valve connects respectively at major loop oil return pipe and main oil inlet pipe.The present invention is by adjusting each flow speed control valve and inserted valve, and output speed scope is big, meets technique and uses requirement.It is an advantage of the invention that low cost, reliability are high, under emergency episode state, oil cylinder can hurtle down, and does not results in industrial accident.
Description
Technical field
The present invention relates to RECOVERY OF CONVERTER GAS control field, be specifically related to a kind of coal-gas recovering bell-shaped valve hydraulic control dress
Put.
Background technology
The bell-shaped valve of current domestic RECOVERY OF CONVERTER GAS switching station is all to control unlatching and the pass of valve by hydraulic jack
Close.RECOVERY OF CONVERTER GAS switching station hydraulic control device according to different working condition requirements, need control oil cylinder realize different under
Terminal-velocity degree.When diffusing when requiring coal-gas recovering bell-shaped valve to be normally switched to, oil cylinder needs to fall with even pace;When requiring coal gas
Recovery bell-shaped valve is quickly switched into when diffusing, and oil cylinder quickly falls with fast speed;When requiring that coal-gas recovering bell-shaped valve is promptly
When being switched to diffuse under accident condition, oil cylinder is switched to, with prestissimo, the state of diffusing.
Conventional solution is Set scale direction valve in the loop, owing to the output speed scope of oil cylinder is relatively big, is
The required total flow of system and proportioning valve latus rectum are very big, and proportioning valve is higher to the requirement of hydraulic system mounting, commissioning and maintenance simultaneously, electricity
Gas control system is the most complicated.Coincidence circuit there is provision of Normal hydraulic valve as back-up circuit, it is ensured that oil under emergency episode state
Cylinder can quickly fall, and uses this conventional scheme cost the highest.
Summary of the invention
In order to overcome existing adoption rate valve higher to the requirement of hydraulic system mounting, commissioning and maintenance, electrical control is also
The most complicated problem, the invention provides a kind of coal-gas recovering bell-shaped valve hydraulic control device, low cost of the present invention, reliability
High.The element that the present invention relates to includes accumulator, flow speed control valve, hydraulic control one-way valve, solenoid directional control valve and check valve etc., low cost,
Easy to maintenance.By ingenious setting, it is possible to realize the output of multiple speed;Electrical system has only to provide conventional switching signal to enter
Row controls, and simultaneously under emergency episode state, relies on the weight of valve self, and oil cylinder can be switched to put by urgent fast loop
Bulk state.
The technical scheme that the present invention takes is:
A kind of coal-gas recovering bell-shaped valve hydraulic control device, including oil cylinder, accumulator, major loop oil return pipe, main drain mast and master
Oil inlet pipe, the first hydraulic fluid port of described oil cylinder and the second hydraulic fluid port be connected to the 3rd high-pressure ball valve, the 4th high-pressure ball valve, and described
Three high-pressure ball valves and the 4th high-pressure ball valve other end be connected with in turn overlapping two, stacking type hydraulic control check valve and
Solenoid directional control valve, described solenoid directional control valve connects respectively at major loop oil return pipe and main oil inlet pipe;
Described accumulator connects with main oil inlet pipe, main drain mast and major loop oil return pipe respectively, the oil-out of told accumulator
Also connect with the second hydraulic fluid port of oil cylinder;Described accumulator is provided with the first smash, described accumulator with the pipeline of main oil inlet pipe
Overflow valve and the second smash it is set side by side with on the pipeline connected with major loop oil return pipe;Described accumulator and the second hydraulic fluid port connection
It is disposed with the first cartridge insertion direction valve and the 3rd check valve on logical pipeline;The pipeline that described accumulator connects with main drain mast
On be provided with the first electromagnetism direction stop valve, the first described electromagnetism direction stop valve the most respectively with the first high-pressure ball valve and first
Cartridge insertion direction valve connects;
First hydraulic fluid port of described oil cylinder connects with major loop oil return pipe, main drain mast respectively, and described first hydraulic fluid port returns with major loop
Hydraulic control one-way valve, the first check valve, the first flow speed control valve and the 4th check valve it is disposed with on the pipeline of oil pipe;Described oil cylinder
First hydraulic fluid port is provided with the 3rd electromagnetism direction stop valve, described 3rd electromagnetism direction stop valve on the connection pipeline of main drain mast
It is arranged in parallel with hydraulic control one-way valve, and the 3rd electromagnetism direction stop valve is also connected with hydraulic control one-way valve.
It is provided with superposing type return check valve between described major loop oil return pipe and solenoid directional control valve.
The model that described solenoid directional control valve uses is 4WE10J31B.
Described 3rd electromagnetism direction stop valve connects with pipeline, and is provided with the second electromagnetism direction cut-off on this pipeline
Valve.
The second check valve that described 3rd check valve is also arranged in parallel with the first cartridge insertion direction valve is connected, described second unidirectional
Valve is between check valve and flow speed control valve.
Described oil cylinder energy speed governing, its speed adjustable range is 200mm/s ~ 700mm/s.
The second flow speed control valve, the second described flow speed control valve it is provided with on pipeline between described hydraulic control one-way valve and the first hydraulic fluid port
It is connected in parallel to the second cartridge insertion direction valve after connecting with hydraulic control one-way valve.
The model of described overlapping two is Z2FS10-S2.
The invention have the benefit that
1, in the situation that flow system flow is constant, it is by the liquid of the ingenious composition uniqueness such as each solenoid directional control valve, check valve, accumulator
Voltage-controlled loop processed, can export three kinds of different speed according to technological requirement, simultaneously under emergency episode state, when oil cylinder falls
Hydraulic control circuit forms feed circuit, and closing velocity is fast.
2, this device performance is reliable, easy to maintenance, low cost, especially when emergency episode state under valve Gravitative Loads
Oil cylinder quickly falls and is switched to diffuse, and does not results in industrial accident, and dependability is high, security of system highlights.
3, for driving the oil cylinder of different size bell-shaped valve, as long as being replaced with the hydraulic valve with flows match latus rectum i.e.
Can, adaptability is the strongest.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the present invention.
Accompanying drawing 1 is labeled as: 101 first electromagnetism direction stop valves, 102 second electromagnetism direction stop valves, and 201
One cartridge insertion direction valve, 202 second cartridge insertion direction valves, 301 first high-pressure ball valves, 302 second high-pressure ball valves, 303
Three high-pressure ball valves, 304 the 4th high-pressure ball valves, 4 accumulators, 5 overflow valves, 6 the 4th check valves, 701 first speed governing
Valve, 702 second flow speed control valves, 801 first check valves, 802 second check valves, 803 the 3rd check valves, 9 the 3rd electricity
Magnetic direction stop valve, 10 hydraulic control one-way valves, 11 solenoid directional control valves, 12 stacking type hydraulic control check valves, 13 superposing types are double
One-way throttle valve, 14 superposing type return check valves, 15 oil cylinders;The main oil inlet pipe of P1, the main oil return pipe of T1, the main draining of L1
Pipeline, P pressure oil port, Y drain tap, T oil return opening.
Detailed description of the invention
Embodiment 1:
In order to overcome existing adoption rate valve higher to the requirement of hydraulic system mounting, commissioning and maintenance, electrical control is the most multiple
Miscellaneous problem, the invention provides a kind of coal-gas recovering bell-shaped valve hydraulic control device as shown in Figure 1, low cost of the present invention,
Reliability is high.The element that the present invention relates to includes accumulator, flow speed control valve, hydraulic control one-way valve, solenoid directional control valve and check valve etc., becomes
This is low, easy to maintenance.By ingenious setting, it is possible to realize the output of multiple speed;Electrical system has only to provide conventional switch
Signal is controlled, and simultaneously under emergency episode state, relies on the weight of valve self, and oil cylinder can be cut by urgent fast loop
Change to the state of diffusing.
A kind of coal-gas recovering bell-shaped valve hydraulic control device, lets out including oil cylinder 15, accumulator 4, major loop oil return pipe T1, master
Oil pipe L1 and main oil inlet pipe P1, the first hydraulic fluid port A1 and the second hydraulic fluid port B1 of described oil cylinder 15 are connected to the 3rd high-pressure ball valve
303, the 4th high-pressure ball valve 304, described 3rd high-pressure ball valve 303 and the 4th high-pressure ball valve 304 other end are connected with superposition in turn
Formula Double throttle check valve 13, stacking type hydraulic control check valve 12 and solenoid directional control valve 11, described solenoid directional control valve 11 is respectively at leading back
Road oil return pipe T1 and main oil inlet pipe P1 connects;
Described accumulator 4 connects with main oil inlet pipe P1, main drain mast L1 and major loop oil return pipe T1 respectively, told accumulator 4
Oil-out also connect with the second hydraulic fluid port B1 of oil cylinder 15;It is high that described accumulator 4 and the pipeline of main oil inlet pipe P1 are provided with first
Pressure ball 301, the pipeline that described accumulator 4 connects with major loop oil return pipe T1 is set side by side with overflow valve 5 and the second smash
302;It is disposed with the first cartridge insertion direction valve 201 and the 3rd unidirectional on described accumulator 4 and the pipeline of the second hydraulic fluid port B1 UNICOM
Valve 803;The first electromagnetism direction stop valve 101, described it is provided with main drain mast L1 on the pipeline that described accumulator 4 connects
One electromagnetism direction stop valve 101 is connected with the first high-pressure ball valve 301 and the first cartridge insertion direction valve 201 the most respectively;
First hydraulic fluid port A1 of described oil cylinder 15 connects with major loop oil return pipe T1, main drain mast L1 respectively, described first hydraulic fluid port A1
Be disposed with on the pipeline of major loop oil return pipe T1 hydraulic control one-way valve the 10, first check valve the 801, first flow speed control valve 701 and
4th check valve 6;It is provided with the 3rd electromagnetism direction on the connection pipeline of the first hydraulic fluid port A1 and main drain mast L1 of described oil cylinder 15
Stop valve 9, described 3rd electromagnetism direction stop valve 9 is arranged in parallel with hydraulic control one-way valve 10, and the 3rd electromagnetism direction stop valve 9 with
Hydraulic control one-way valve 10 is also connected with.
Seeing accompanying drawing 1, a kind of coal-gas recovering bell-shaped valve hydraulic control device that the present invention relates to, oil cylinder 15 of the present invention is just
When often working, the electric magnet YV1 energising of the first electromagnetism direction stop valve 101, make the second cartridge insertion direction valve 201 close;Second electricity
The electric magnet YV3 energising of magnetic direction stop valve 102 electric magnet YV2 and the 3rd electromagnetism direction stop valve 9, makes hydraulic control one-way valve 10 He
Second cartridge insertion direction valve 202 cuts out;Solenoid directional control valve 11 electric magnet YV4a energising in speed stabilizing loop, oil cylinder 15 falls, and electromagnetism changes
Being energized to valve 11 electric magnet YV4b, oil cylinder 15 rises, and makes oil cylinder increase by regulation overlapping two 13 and falls
Speed meets technique and uses requirement, and accumulator 4 can be oil-filled and drain the oil through the 3rd high-pressure ball valve 301 as Emergency power source, it is ensured that fills
The high-voltage oil liquid of foot also can effective Absorbing hydraulic pulsation.
Oil cylinder 15 of the present invention is when rapid operation, and the electric magnet YV1 of the first electromagnetism direction stop valve 101 is energized, and makes first
Cartridge insertion direction valve 201 cuts out;The electric magnet YV3 power-off of the 3rd electromagnetism direction stop valve 9, hydraulic control one-way valve 10 opens, the second electricity
Magnetic direction stop valve 102 electric magnet YV2 is energized, and the second cartridge insertion direction valve 202 cuts out;Solenoid directional control valve 11 electric magnet YV4a leads to
Electricity, now the first hydraulic fluid port A1 of oil cylinder 15 passes through speed stabilizing loop and fast loop the second speed governing that the 3rd high-pressure ball valve 303 connects
Valve 702, hydraulic control one-way valve the 10, first check valve the 801, first flow speed control valve 701, check valve 6 are also turned on main oil return pipe T1, oil cylinder
15 hurtle down, and make oil cylinder 15 closing velocity meet technique use requirement by regulating the second flow speed control valve 702.
Oil cylinder 15 of the present invention under emergency episode state, all electric magnet power-off, now the first cartridge insertion direction valve 201,
Two cartridge insertion direction valves 202, hydraulic control one-way valve 10 are fully open, and the high-pressure oil flow being stored in accumulator 4 is through the first high-pressure ball valve
301, the first cartridge insertion direction valve the 201, the 3rd check valve 803 enters the second hydraulic fluid port B1 of oil cylinder 15, the most main oil inlet pipe P1 fluid
Flow through the first cartridge insertion direction valve the 201, the 3rd check valve 803 and enter the second hydraulic fluid port B1 of oil cylinder 15, the first hydraulic fluid port A1 of oil cylinder 15
Fluid flows through the second flow speed control valve 702, hydraulic control one-way valve the 10, first check valve the 801, first flow speed control valve the 701, the 4th check valve 6 enters
Become owner of oil return pipe T1, simultaneously the first hydraulic fluid port A1 fluid of oil cylinder 15 flow through second cartridge insertion direction valve the 202, first check valve 801,
One flow speed control valve the 701, the 4th check valve 6 enters main oil return pipe T1, and the 4th check valve 6 has certain back pressure, suitably regulation the first tune
Speed valve 701, in the case of oil sources deficiency met an urgent need by accumulator 4, when bell-shaped valve valve makes oil cylinder 15 fall under Gravitative Loads, oil
The fluid that first hydraulic fluid port A1 of cylinder 15 gets rid of, when flowing through the first check valve 801, can simultaneously flow through the second check valve the 802, the 3rd
Check valve 803 enters the second hydraulic fluid port B1 of oil cylinder 15, forms feed circuit, it is ensured that under emergency episode state oil cylinder 15 can quickly under
Fall, meet technique and use requirement.
Accumulator 4 provides urgent oil sources for loop under emergency episode state, makes hydraulic control device can meet work
Skill uses requirement, prevents industrial accident, provide simultaneously oil cylinder 15 when normal and rapid operation required instantaneous greatly
Flow.
The present invention provide this hydraulic control device it by ingenious group of each solenoid directional control valve, check valve, accumulator etc.
Become unique hydraulic control circuit, three kinds of different speed can be exported according to technological requirement, simultaneously under emergency episode state,
When oil cylinder falls, hydraulic control circuit forms feed circuit, and closing velocity is fast.This device performance is reliable, easy to maintenance, low cost,
Especially when emergency episode state, under valve Gravitative Loads, oil cylinder quickly falls and is switched to diffuse, and does not results in safety in production thing
Therefore, dependability is high, security of system highlights.For driving the oil cylinder of different size bell-shaped valve, as long as being replaced with and flow
Match the hydraulic valve of latus rectum, and adaptability is the strongest.
Embodiment 2: on the basis of 1, in the present embodiment, described major loop oil return pipe T1 and solenoid directional control valve 11 it
Between be provided with superposing type return check valve 14.
The model that described solenoid directional control valve 11 uses is 4WE10J31B.
Described 3rd electromagnetism direction stop valve 9 connects with 202 pipelines, and is provided with the second electromagnetism direction on this pipeline and cuts
Only valve 102.
The second check valve 802 that described 3rd check valve 803 is also arranged in parallel with the first cartridge insertion direction valve 201 is connected, institute
State the second check valve 802 between check valve 801 and flow speed control valve 701.
Described oil cylinder 15 adjustable speed, its speed adjustable range is 200mm/s ~ 700mm/s.
The second flow speed control valve 702 it is provided with on pipeline between described hydraulic control one-way valve 10 and the first hydraulic fluid port (A1), described
It is connected in parallel to the second cartridge insertion direction valve 202 after second flow speed control valve 702 and hydraulic control one-way valve 10 series connection.
In the present embodiment, parts and the structure of not narration in detail belong to well-known components and the common structure of the industry or commonly use
Means, describe the most in detail, and meanwhile, the model of the overlapping two 13 used in the present embodiment is
Z2FS10-S2.Overlapping two 13 is Beijing China moral selected from producer and model is Z2FS10-S2, stacking type hydraulic control
The model that the model that check valve 12 uses is Z2S10, solenoid directional control valve 11 uses is 4WE10J31B, described superposing type oil return list
It is Z1S10T to the model of valve 14.
High-pressure ball valve 302, when examination and repair system, empties the fluid of storage in accumulator 4.
Overflow valve 5, for the maximum working pressure of initialization system, prevents accident.
Cartridge insertion direction valve 201 and cartridge insertion direction valve 202 flow are adjustable, and speed range of accommodation is big.
The present invention provide this hydraulic control device it by ingenious group of each solenoid directional control valve, check valve, accumulator etc.
Become unique hydraulic control circuit, three kinds of different speed can be exported according to technological requirement, simultaneously under emergency episode state,
When oil cylinder falls, hydraulic control circuit forms feed circuit, and closing velocity is fast.This device performance is reliable, easy to maintenance, low cost,
Especially when emergency episode state, under valve Gravitative Loads, oil cylinder quickly falls and is switched to diffuse, and does not results in safety in production thing
Therefore, dependability is high, security of system highlights.
For driving the oil cylinder of different size bell-shaped valve in the present invention, as long as being replaced with and the hydraulic pressure of flows match latus rectum
Valve, adaptability is the strongest.
Parts that the present embodiment describes the most in detail and structure belong to the well-known components of the industry and common structure or conventional hands
Section, describes the most one by one.
Claims (8)
1. a coal-gas recovering bell-shaped valve hydraulic control device, it is characterised in that: include oil cylinder (15), accumulator (4), major loop
Oil return pipe (T1), main drain mast (L1) and main oil inlet pipe (P1), first hydraulic fluid port (A1) of described oil cylinder (15) and the second hydraulic fluid port
(B1) the 3rd high-pressure ball valve (303), the 4th high-pressure ball valve (304), described 3rd high-pressure ball valve (303) and the 4th it are connected to
High-pressure ball valve (304) other end is connected with overlapping two (13), stacking type hydraulic control check valve (12) and electricity in turn
Magnetic reversal valve (11), described solenoid directional control valve (11) connects respectively at major loop oil return pipe (T1) and main oil inlet pipe (P1);
Described accumulator (4) connects with main oil inlet pipe (P1), main drain mast (L1) and major loop oil return pipe (T1) respectively, is told
The oil-out of accumulator (4) also connects with second hydraulic fluid port (B1) of oil cylinder (15);Described accumulator (4) and main oil inlet pipe (P1)
Pipeline is provided with the first smash (301), and the pipeline that described accumulator (4) connects with major loop oil return pipe (T1) is set up in parallel
There are overflow valve (5) and the second smash (302);Described accumulator (4) sets gradually on the pipeline of the second hydraulic fluid port (B1) UNICOM
There are the first cartridge insertion direction valve (201) and the 3rd check valve (803);The pipeline that described accumulator (4) connects with main drain mast (L1)
On be provided with the first electromagnetism direction stop valve (101), the first described electromagnetism direction stop valve (101) the most respectively with the first high pressure
Ball valve (301) and the first cartridge insertion direction valve (201) connect;
First hydraulic fluid port (A1) of described oil cylinder (15) connects with major loop oil return pipe (T1), main drain mast (L1) respectively, and described
Be disposed with on the pipeline of one hydraulic fluid port (A1) and major loop oil return pipe (T1) hydraulic control one-way valve (10), the first check valve (801),
First flow speed control valve (701) and the 4th check valve (6);First hydraulic fluid port (A1) of described oil cylinder (15) and the connection of main drain mast (L1)
Be provided with the 3rd electromagnetism direction stop valve (9) on pipeline, described 3rd electromagnetism direction stop valve (9) and hydraulic control one-way valve (10) and
Connection is arranged, and the 3rd electromagnetism direction stop valve (9) is also connected with hydraulic control one-way valve (10).
A kind of coal-gas recovering bell-shaped valve hydraulic control device, it is characterised in that: described major loop returns
Superposing type return check valve (14) it is provided with between oil pipe (T1) and solenoid directional control valve (11).
A kind of coal-gas recovering bell-shaped valve hydraulic control device, it is characterised in that: described electromagnetic switch
The model that valve (11) uses is 4WE10J31B.
A kind of coal-gas recovering bell-shaped valve hydraulic control device, it is characterised in that: described 3rd electromagnetism
Direction stop valve (9) connects with (202) pipeline, and is provided with the second electromagnetism direction stop valve (102) on this pipeline.
A kind of coal-gas recovering bell-shaped valve hydraulic control device, it is characterised in that: described 3rd unidirectional
The second check valve (802) that valve (803) is also arranged in parallel with the first cartridge insertion direction valve (201) is connected, described second check valve
(802) it is positioned between check valve (801) and flow speed control valve (701).
A kind of coal-gas recovering bell-shaped valve hydraulic control device, it is characterised in that: described oil cylinder (15)
Energy speed governing, its speed adjustable range is 200mm/s ~ 700mm/s.
A kind of coal-gas recovering bell-shaped valve hydraulic control device, it is characterised in that: described fluid-control one-way
Be provided with the second flow speed control valve (702) on pipeline between valve (10) and the first hydraulic fluid port (A1), described the second flow speed control valve (702) and
It is connected in parallel to the second cartridge insertion direction valve (202) after hydraulic control one-way valve (10) series connection.
A kind of coal-gas recovering bell-shaped valve hydraulic control device, it is characterised in that: described superposing type is double
The model of one-way throttle valve (13) is Z2FS10-S2.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610738271.6A CN106089821A (en) | 2016-08-29 | 2016-08-29 | A kind of coal-gas recovering bell-shaped valve hydraulic control device |
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CN201610738271.6A CN106089821A (en) | 2016-08-29 | 2016-08-29 | A kind of coal-gas recovering bell-shaped valve hydraulic control device |
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CN201610738271.6A Pending CN106089821A (en) | 2016-08-29 | 2016-08-29 | A kind of coal-gas recovering bell-shaped valve hydraulic control device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL426071A1 (en) * | 2018-06-26 | 2019-01-28 | Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie | System and method for recovery of compressed gas waste energy |
CN113355467A (en) * | 2021-06-11 | 2021-09-07 | 马鞍山钢铁股份有限公司 | Opening device and opening method for ignition hole cover of iron-making blast furnace |
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CN201746567U (en) * | 2010-06-29 | 2011-02-16 | 中冶东方工程技术有限公司 | Hydraulic quick-acting switching-off control device for gas switching-off valve used for blast stove |
CN202968594U (en) * | 2012-11-20 | 2013-06-05 | 宣化钢铁集团有限责任公司 | Dry-type dedusting hydraulic system |
CN204985137U (en) * | 2015-09-16 | 2016-01-20 | 中冶南方工程技术有限公司 | Converter activity petticoat pipe lift hydraulic control system |
CN206159139U (en) * | 2016-08-29 | 2017-05-10 | 中国重型机械研究院股份公司 | Gas recovery bell -shaped valve hydraulic control device |
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2016
- 2016-08-29 CN CN201610738271.6A patent/CN106089821A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201746567U (en) * | 2010-06-29 | 2011-02-16 | 中冶东方工程技术有限公司 | Hydraulic quick-acting switching-off control device for gas switching-off valve used for blast stove |
CN202968594U (en) * | 2012-11-20 | 2013-06-05 | 宣化钢铁集团有限责任公司 | Dry-type dedusting hydraulic system |
CN204985137U (en) * | 2015-09-16 | 2016-01-20 | 中冶南方工程技术有限公司 | Converter activity petticoat pipe lift hydraulic control system |
CN206159139U (en) * | 2016-08-29 | 2017-05-10 | 中国重型机械研究院股份公司 | Gas recovery bell -shaped valve hydraulic control device |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL426071A1 (en) * | 2018-06-26 | 2019-01-28 | Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie | System and method for recovery of compressed gas waste energy |
CN113355467A (en) * | 2021-06-11 | 2021-09-07 | 马鞍山钢铁股份有限公司 | Opening device and opening method for ignition hole cover of iron-making blast furnace |
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