CN111930155A - Automatic pressure regulating system of coke oven gas chamber - Google Patents
Automatic pressure regulating system of coke oven gas chamber Download PDFInfo
- Publication number
- CN111930155A CN111930155A CN202010652455.7A CN202010652455A CN111930155A CN 111930155 A CN111930155 A CN 111930155A CN 202010652455 A CN202010652455 A CN 202010652455A CN 111930155 A CN111930155 A CN 111930155A
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- gas chamber
- pressure
- pressure regulating
- ring
- coke oven
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 38
- 239000000571 coke Substances 0.000 title claims abstract description 25
- 230000006698 induction Effects 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 7
- 239000011521 glass Substances 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 82
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
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Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means
- G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
- G05D16/2013—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means
- G05D16/2022—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means actuated by a proportional solenoid
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means
- G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
- G05D16/2013—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means
- G05D16/2026—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means with a plurality of throttling means
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention discloses an automatic pressure regulating system of a coke oven gas chamber, which comprises an output pipeline, wherein the output pipeline is connected with the gas chamber through an output pipeline, a pressure regulating cover is arranged in the gas chamber, an adjustable pressure control device is arranged in the pressure regulating cover, a pressure regulating device is arranged in an installation block, a signal exchanging device is arranged at one side of the gas chamber, and the output end of a hydraulic pump penetrates into the gas chamber and is connected with the pressure control device. According to the invention, the pressure regulating cover is arranged in the gas chamber to sense the internal gas pressure, the gas pressure control regulating block is used for moving, the resistance of a component arranged in the induction ring at the upper end and the lower end is reduced when the pressure is increased, so that the current of the component in the induction ring is increased, the PLC is enabled to convert the current signal into digital quantity and output the digital quantity to the hydraulic proportional valve group, the flow of the oil cylinder is controlled through the hydraulic proportional valve, the hydraulic cylinder is controlled to move, and the controllable regulation of the internal gas pressure is realized.
Description
Technical Field
The invention relates to the technical field of pressure control of gas chambers, in particular to an automatic pressure regulating system of a coke oven gas chamber.
Background
The coke oven gas cabinet is a low-pressure storage device for clean gas with basically stable pressure and variable volume in a certain range. The device is positioned between a coke oven gas purification system and a clean gas user, plays a role in balancing the required amount of the clean gas, and is divided into a wet type coke oven gas cabinet and a dry type coke oven gas cabinet. The dry coke oven gas cabinet has one cabinet body welded or riveted with steel plate and one piston capable of moving downwards and with guide frame for stable movement. When air is fed, the piston rises, when air is discharged, the piston falls, and the gas is pressed out by the mass of the piston.
The gas chamber is in the certain limit constantly and changes in the use pressure, when pressure supply is greater than output, can make the pressure increase in the gas chamber, produce the hidden danger, when pressure supply is less than output, can cause the gas chamber internal pressure not enough, influences output, when the supply capacity exceeds the limit of the interior piston of cabinet, very easily causes the coal gas to reveal because of cabinet body pressure is too big, causes the potential safety hazard, provides a coke oven gas chamber's pressure automatic regulating system now.
Disclosure of Invention
The invention aims to solve the problem that gas leakage is easily caused by overlarge cabinet pressure when the supply quantity exceeds the limit of a piston in a gas cabinet in the prior art, and provides an automatic pressure regulating system of a coke oven gas cabinet, which can effectively display the cabinet pressure and effectively control the gas pressure by regulating space and transferring gas.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a coke oven gas chamber's pressure automatic regulating system, includes the output pipeline of being connected with the user pipeline, the output pipeline is connected with the gas chamber through output pipeline, gas chamber one end is connected with the gas cooler through the input pipeline, the gas chamber top is provided with the installation piece, is located installation piece bottom seted up the connector in the gas chamber, be provided with the pressure regulation cover in the connector, be provided with adjustable pressure control device in the pressure regulation cover, the annular groove has been seted up in the installation piece, be provided with pressure regulating device in the annular groove, the gas chamber top is provided with two hydraulic pumps, the hydraulic pump is connected with the hydro-cylinder through the pressure pipe, the hydro-cylinder lateral wall is provided with signal exchange device, the hydraulic pump output runs through to the gas chamber in and is connected pressure control device.
Preferably, the adjustable pressure control device comprises an adjusting block arranged in a pressure adjusting cover, pistons are arranged at two ends of the adjusting block, a connecting pipe is arranged at the top of the pressure adjusting cover, and a pressure display meter is arranged on the connecting pipe.
Preferably, the pressure adjusting device comprises two induction rings arranged at the upper end and the lower end in the annular groove, an inner magnetic ring is arranged on the outer side wall of the adjusting block, an outer magnetic ring is sleeved on the outer side wall of the pressure adjusting cover, and the outer magnetic ring and the inner magnetic ring are attracted magnetically.
Preferably, a plurality of induction cavities are formed in the induction ring, resistance spiral coils are arranged on the inner side wall of the induction cavity, a sliding hole is formed in the top of the induction cavity, a power supply ring is arranged on the inner side wall of the sliding hole, a conductive column is connected to the inner side wall of the power supply ring in a sliding mode, the top of the conductive column is connected with the same pressed ring, and the bottom of the conductive column is fixedly connected with a conductive ring in sliding contact with the resistance spiral coils.
Preferably, the signal exchange device comprises a PLC controller arranged on the side wall of the gas holder, one end of the PLC controller is connected with the resistance spiral coil through a lead, and the other end of the PLC controller is connected with the oil cylinder through a hydraulic proportional valve assembly.
Preferably, the pressure control device comprises an adjusting piston ring arranged in the gas holder, a collision groove is formed in the top of the adjusting piston ring, and the output end of the hydraulic pump is connected with a collision ball matched with the collision groove.
Preferably, be located the regulation piston ring top the gas chamber lateral wall has seted up the hole of disappointing, the hole of disappointing is connected with the deposit room through the pipe that loses heart, be provided with the check valve on the pipe that loses heart, the deposit room bottom is passed through the back flow and is connected with the input pipeline, the overflow valve that is provided with on the back flow.
Preferably, the output pipeline and the input pipeline are both provided with glasses valves.
Compared with the prior art, the invention has the beneficial effects that:
1. inside gas pressure is responded to through setting up the pressure adjustment cover in the gas chamber, and remove through gas pressure control regulating block, the part that sets up in the response ring of upper and lower extreme can make resistance reduce when pressure increases, cause the current increase through the part in the response ring, thereby make the PLC controller be the digital quantity with the current signal conversion and export in the hydraulic pressure proportional valve group, flow through hydraulic pressure proportional valve control hydro-cylinder, thereby control hydraulic cylinder removes, realize the controllable regulation to inside gas pressure.
2. When pressure is too big, can make the regulation piston ring shift up for inside gas can transfer to the deposit room through disappointing the pipeline, thereby avoids causing the accident when atmospheric pressure is too big, and the gas that is in the deposit room can be when the pressure reduces in the input pipeline, in the automatic input pipeline that supplyes, realizes feedback adjustment.
Drawings
FIG. 1 is a schematic structural diagram of an automatic pressure regulating system for a coke oven gas chamber according to the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a signal conversion flow chart of an automatic pressure regulating system for a coke oven gas chamber according to the present invention;
FIG. 4 is a schematic diagram of the operation of a hydraulic proportional valve in the automatic pressure regulating system of the coke oven gas chamber according to the present invention.
In the figure: the device comprises an output pipeline 1, an output pipeline 2, a gas cabinet 3, an input pipeline 4, a gas cooler 5, a mounting block 6, a pressure adjusting cover 7, a hydraulic pump 8, an oil cylinder 9, an adjusting block 10, a piston 11, a connecting pipe 12, a pressure display meter 13, an induction ring 14, an internal magnetic ring 15, an external magnetic ring 16, a resistance spiral coil 17, a power supply ring 18, a conductive column 19, a pressed ring 20, a conductive ring 21, a PLC (programmable logic controller) 22, a hydraulic proportional valve assembly 23, an adjusting piston ring 24, a collision ball 25, a storage chamber 26, a one-way control valve 27, a return pipe 28, an overflow valve 29 and a glasses valve 30.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, an automatic pressure regulating system for a coke oven gas chamber comprises an output pipeline 1 connected with a user pipeline, the output pipeline 1 is connected with a gas chamber 3 through an output pipeline 2, one end of the gas chamber 3 is connected with a gas cooler 5 through an input pipeline 4, furthermore, the output pipeline 2 and the input pipeline 4 are both provided with an eye valve 30, the eye valve 30 is the prior art, and the description is omitted here, so that the toxic gas can be cut off; the top of the gas chamber 3 is provided with a mounting block 6, a connector is arranged in the gas chamber 3 at the bottom of the mounting block 6, a pressure adjusting cover 7 is arranged in the connector, a pressure adjusting control device is arranged in the pressure adjusting cover 7, further, the pressure adjusting control device comprises an adjusting block 10 arranged in the pressure adjusting cover 7, pistons 11 are arranged at two ends of the adjusting block 10, a connecting pipe 12 is arranged at the top of the pressure adjusting cover 7, and a pressure display meter 13 is arranged on the connecting pipe 12, wherein the connecting pipe 12 is connected with an air pump for adjusting the air pressure at the upper part of the pressure adjusting cover 7, so that the pressure in the gas chamber 3 can be adjusted, and under the action of the upper pressure, the adjusting block 10 can fluctuate within a certain range under the combined action of the lower pressure and the gravity of the upper pressure;
an annular groove is formed in the mounting block 6, a pressure adjusting device is arranged in the annular groove, furthermore, the pressure adjusting device comprises two induction rings 14 which are arranged at the upper end and the lower end in the annular groove, an inner magnetic ring 15 is arranged on the outer side wall of the adjusting block 10, an outer magnetic ring 16 is sleeved on the outer side wall of the pressure adjusting cover 7, the outer magnetic ring 16 and the inner magnetic ring 15 are attracted in a magnetic manner, when the adjusting block 10 moves under the action of pistons at the two ends, the outer magnetic ring 16 is driven to move gradually under the action of the inner magnetic ring 15, and the outer magnetic ring 16 generates a certain acting force on the pressed ring;
furthermore, a plurality of induction cavities are formed in the induction ring 14, a resistance spiral coil 17 is arranged on the inner side wall of each induction cavity, a sliding hole is formed in the top of each induction cavity, a power supply ring 18 is arranged on the inner side wall of each sliding hole, a conductive column 19 is connected to the inner side wall of each power supply ring 18 in a sliding manner, the tops of a plurality of conductive columns 19 are connected with the same pressure ring 20, a conductive ring 21 in sliding contact with the resistance spiral coil 17 is fixedly connected to the bottom of each conductive column 19, the induction ring 4 on the upper portion and the induction ring 4 on the lower portion correspond to different PLC controllers 22, the PLC controller 22 on the upper portion controls backflow flow through a hydraulic proportional valve assembly 23, and the PLC controller;
two hydraulic pumps 8 are arranged above the gas chamber 3, the hydraulic pumps 8 are connected with an oil cylinder 9 through pressure pipes, the side wall of the oil cylinder 9 is provided with a signal exchange device, further, the signal exchange device comprises a PLC 22 arranged at the side wall of the gas chamber 3, one end of the PLC 22 is connected with a resistance spiral coil 17 through a lead, the other end of the PLC 22 is connected with the oil cylinder 9 through a hydraulic proportional valve assembly 23, the hydraulic proportional valve assembly 23 is a combination of a plurality of control valves, the concrete working raw materials of the hydraulic proportional valve assembly please refer to FIG. 4, and the two groups of hydraulic proportional valve assemblies 23 respectively control output flow and backflow flow;
the output end of the hydraulic pump 8 penetrates into the gas chamber 3 and is connected with a pressure control device, further, the pressure control device comprises an adjusting piston ring 24 arranged in the gas chamber 3, the adjusting piston ring 24 has the function of controlling the gas pressure in the bottom space of the gas chamber 3 by moving up and down, the top of the adjusting piston ring 24 is provided with a collision groove, and the output end of the hydraulic pump 8 is connected with a collision ball 25 matched with the collision groove;
still further, the lateral wall of the gas holder 3 above the adjusting piston ring 24 is provided with a gas release hole, the gas release hole is connected with the storage chamber 26 through a gas release pipe, the gas release pipe is provided with a one-way control valve 27, the bottom of the storage chamber 26 is connected with the input pipeline 4 through a return pipe 28, the return pipe 28 is provided with an overflow valve 29, the overflow valve 29 is the prior art and is not described herein again, wherein the return pipe 28 is also provided with the one-way control valve 27 to prevent gas from entering the storage chamber 26 from the return pipe 28.
In the invention, when the gas entering the gas chamber 3 through the input pipeline is greater than the output quantity of the output pipeline, sufficient gas is generated to increase the gas pressure in the gas chamber 3, the adjusting block 10 communicated with the gas chamber can move upwards under the action of pressure, when the adjusting block 10 moves upwards, the inner magnetic ring 15 arranged on the adjusting block 10 drives the outer magnetic ring 16 arranged on the outer side wall of the pressure adjusting cover 7 to move upwards, when the outer magnetic ring 16 moves upwards, the outer magnetic ring collides with the pressure receiving ring 20 arranged on the induction ring 14 on the mounting block, so that the pressure receiving ring 20 moves upwards, when the pressure receiving ring 20 moves upwards, the conductive post 19 connected with the pressure receiving ring 20 moves upwards, when the pressure receiving ring 19 moves upwards, the length of the resistance spiral coil 17 contacted with the outer side wall of the conductive post 19 is reduced, the resistance of the resistance spiral coil 17 is gradually reduced, and the current passing through the power supply ring 18, the conductive post 19, the conductive ring 21 and the resistance spiral, therefore, the modulus input quantity supplied into the PLC 22 is increased, the PLC 22 generates retraction digital quantity output data to the hydraulic proportional valve assembly 23, the flow of return oil generated at the output end of the oil cylinder 9 is gradually increased under the combined action of the hydraulic proportional valve assembly 23, the output end of the hydraulic pump 8 is gradually moved upwards, and the adjusting piston ring 24 in the gas holder 3 is gradually moved upwards under the action of pressure, so that the gas pressure in the gas holder 3 is reduced;
when the pressure intensity is continuously increased, the conductive column 19 can be enabled to continuously move upwards, so that the resistance is continuously reduced, the output end of the hydraulic pump 8 is continuously retracted, when the adjusting piston ring 24 moves to the air release hole at the top, the gas in the gas chamber 3 can be discharged into the storage chamber from the air release pipe to be stored, so that the pressure intensity of the gas is basically close to overlarge gas pressure intensity, when the discharged gas is reduced, the adjusting block 10 can be gradually moved downwards, so that the hydraulic cylinder is restored, the pressure in the gas chamber 3 is adjusted, the pressure of the gas in the gas chamber 3 is enabled to fluctuate within a certain range at any moment, the gas transferred into the storage chamber can be automatically compensated into the input pipeline under the action of the overflow valve, and when the pressure intensity in the input pipeline is reduced;
when the pressure is too small, the adjusting block 10 in the pressure adjusting cover 7 will gradually move downwards under the action of the gas generated by the connecting pipe, so that the adjusting block 10 is extruded into the adjusting block 10 at the bottom, and will collide with the pressed ring 20 on the induction ring 14 in the mounting block, so that the pressed ring 20 moves downwards, when the pressed ring 20 moves downwards, the conductive post 19 connected with the pressed ring will move downwards, when the conductive post 19 moves downwards, the length of the resistance spiral coil 17 contacted with the outer side wall of the conductive post 19 will be reduced, so that the resistance thereof will gradually decrease, the current passing through the power supply ring 18, the conductive post 19, the conductive ring 21 and the resistance spiral coil 17 will gradually increase, so that the modulus input quantity supplied to the PLC controller 22 will increase, and the PLC controller 22 will generate the digital quantity of the extension output data to the hydraulic proportional valve assembly 23, so that the flow rate of the oil cylinder 9 to the hydraulic pump 8 will increase, therefore, the output end of the hydraulic pump 8 moves downwards to drive the adjusting piston ring 24 to move downwards, the pressure in the gas chamber 3 is increased, and the output pressure can be supplied to a pipeline for conveying.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention should be covered by the scope of the present invention.
Claims (8)
1. The automatic pressure regulating system of the coke oven gas chamber comprises an output pipeline (1) connected with a user pipeline, and is characterized in that the output pipeline (1) is connected with a gas chamber (3) through an output pipeline (2), one end of the gas chamber (3) is connected with a gas cooler (5) through an input pipeline (4), the top of the gas chamber (3) is provided with an installation block (6), the bottom of the installation block (6) is provided with a connecting port in the gas chamber (3), a pressure regulating cover (7) is arranged in the connecting port, an adjustable pressure control device is arranged in the pressure regulating cover (7), an annular groove is formed in the installation block (6), a pressure regulating device is arranged in the annular groove, two hydraulic pumps (8) are arranged above the gas chamber (3), and the hydraulic pumps (8) are connected with an oil cylinder (9) through pressure pipes, the side wall of the oil cylinder (9) is provided with a signal exchange device, and the output end of the hydraulic pump (8) penetrates into the gas chamber (3) and is connected with a pressure control device.
2. The automatic pressure regulating system of the coke oven gas chamber as claimed in claim 1, wherein the adjustable pressure control device comprises an adjusting block (10) arranged in a pressure regulating cover (7), pistons (11) are arranged at both ends of the adjusting block (10), a connecting pipe (12) is arranged at the top of the pressure regulating cover (7), and a pressure display meter (13) is arranged on the connecting pipe (12).
3. The automatic pressure regulating system of the coke oven gas chamber as claimed in claim 2, wherein the pressure regulating device comprises two induction rings (14) arranged at the upper end and the lower end in the annular groove, an inner magnetic ring (15) is arranged on the outer side wall of the regulating block (10), an outer magnetic ring (16) is sleeved on the outer side wall of the pressure regulating cover (7), and the outer magnetic ring (16) and the inner magnetic ring (15) are attracted magnetically.
4. The automatic pressure regulating system for the coke oven gas chamber of claim 3, wherein a plurality of induction cavities are formed in the induction ring (14), the resistance spiral coil (17) is arranged on the inner side wall of each induction cavity, a sliding hole is formed in the top of each induction cavity, a power supply ring (18) is arranged on the inner side wall of each sliding hole, a conductive column (19) is connected to the inner side wall of each power supply ring (18) in a sliding manner, the tops of the conductive columns (19) are connected with the same pressure receiving ring (20), and the bottom of each conductive column (19) is fixedly connected with a conductive ring (21) in sliding contact with the resistance spiral coil (17).
5. The automatic pressure regulating system for the coke oven gas chamber as claimed in claim 4, wherein the signal exchanging device comprises a PLC (programmable logic controller) 22 arranged on the side wall of the gas chamber (3), one end of the PLC (22) is connected with the resistance spiral coil (17) through a wire, and the other end is connected with the oil cylinder (9) through a hydraulic proportional valve assembly (23).
6. The automatic pressure regulating system of the coke oven gas chamber as claimed in claim 1, wherein the pressure control device comprises a regulating piston ring (24) arranged in the gas chamber (3), the top of the regulating piston ring (24) is provided with an interference groove, and the output end of the hydraulic pump (8) is connected with an interference ball (25) matched with the interference groove.
7. The automatic pressure regulating system for the coke oven gas chamber as claimed in claim 6, wherein the side wall of the coke oven gas chamber (3) above the regulating piston ring (24) is provided with a gas release hole, the gas release hole is connected with a storage chamber (26) through a gas release pipe, the gas release pipe is provided with a one-way control valve (27), the bottom of the storage chamber (26) is connected with the input pipeline (4) through a return pipe (28), and the return pipe (28) is provided with an overflow valve (29).
8. The automatic pressure regulating system for the coke oven gas tank as claimed in claim 1, characterized in that the output pipeline (2) and the input pipeline (4) are provided with a glasses valve (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010652455.7A CN111930155A (en) | 2020-07-08 | 2020-07-08 | Automatic pressure regulating system of coke oven gas chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010652455.7A CN111930155A (en) | 2020-07-08 | 2020-07-08 | Automatic pressure regulating system of coke oven gas chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111930155A true CN111930155A (en) | 2020-11-13 |
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ID=73313585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010652455.7A Pending CN111930155A (en) | 2020-07-08 | 2020-07-08 | Automatic pressure regulating system of coke oven gas chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111930155A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0044518A1 (en) * | 1980-07-23 | 1982-01-27 | Wolfgang Prof. Dr.-Ing. Backé | Displacement control system for a variable displacement pump |
| CN206877130U (en) * | 2017-07-17 | 2018-01-12 | 辽宁科技大学 | The automatic control system of coke gas desulfurization regeneration integrated tower |
-
2020
- 2020-07-08 CN CN202010652455.7A patent/CN111930155A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0044518A1 (en) * | 1980-07-23 | 1982-01-27 | Wolfgang Prof. Dr.-Ing. Backé | Displacement control system for a variable displacement pump |
| CN206877130U (en) * | 2017-07-17 | 2018-01-12 | 辽宁科技大学 | The automatic control system of coke gas desulfurization regeneration integrated tower |
Non-Patent Citations (4)
| Title |
|---|
| 刘纳新 等: "焦炉煤气柜内"浮力"问题及对策", 《煤化工》 * |
| 徐蕾 等: "煤气柜自动化控制系统的开发与应用", 《山东冶金》 * |
| 谢玉东 等: "基于电液调节阀的大流量混合煤气压力控制研究", 《武汉理工大学学报(交通科学与工程版)》 * |
| 郭亮亮: "焦炉煤气柜安全控制系统工艺浅析与功能实现", 《山西电子技术》 * |
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Application publication date: 20201113 |
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