CN115076503A - Full-automatic distributed control nitrogen making system - Google Patents

Full-automatic distributed control nitrogen making system Download PDF

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Publication number
CN115076503A
CN115076503A CN202210616933.8A CN202210616933A CN115076503A CN 115076503 A CN115076503 A CN 115076503A CN 202210616933 A CN202210616933 A CN 202210616933A CN 115076503 A CN115076503 A CN 115076503A
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China
Prior art keywords
buffer tank
tank body
fixed
piston
shaped pipe
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Pending
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CN202210616933.8A
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Chinese (zh)
Inventor
罗保林
李振国
赵芮
单军民
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Cng Shaanxi New Technology Co ltd
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Cng Shaanxi New Technology Co ltd
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Application filed by Cng Shaanxi New Technology Co ltd filed Critical Cng Shaanxi New Technology Co ltd
Priority to CN202210616933.8A priority Critical patent/CN115076503A/en
Publication of CN115076503A publication Critical patent/CN115076503A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/04Devices damping pulsations or vibrations in fluids
    • F16L55/045Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer
    • F16L55/05Buffers therefor
    • F16L55/052Pneumatic reservoirs
    • F16L55/053Pneumatic reservoirs the gas in the reservoir being separated from the fluid in the pipe

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The invention discloses a full-automatic distributed control nitrogen making system, which belongs to the field of nitrogen making and comprises a buffer tank body, a hydraulic cylinder, a piston mechanism and a standby pressure regulating mechanism, wherein the piston mechanism is arranged below the inner part of the buffer tank body, the bottom end of the piston mechanism is connected with the hydraulic cylinder, and the standby pressure regulating mechanism is arranged above one side of the buffer tank body. The invention has the advantages that the pressure is adjusted by controlling the size of the nitrogen storage space in the buffer tank body, and the operation is efficient and quick; when one of the first piston disc or the second piston disc is damaged and has no sealing effect, the other one can still work normally; when the first piston disc and the second piston disc are completely damaged, the pressure inside the buffer tank body is controlled through the standby pressure regulating mechanism.

Description

Full-automatic distributed control nitrogen making system
Technical Field
The invention relates to the field of nitrogen production, in particular to a full-automatic distributed control nitrogen production system.
Background
The distributed control nitrogen making system mainly comprises an air compressor, a precooling and purifying device, an adsorber, a fractionating tower, a cooler, a purifier, a nitrogen buffer tank and a DCS control system, wherein air is compressed to 0.80MPa by an air compressor, passes through the precooling and purifying device, adsorbs water, acetylene, carbon dioxide and other impurities in high-pressure air and then is input into the fractionating tower, the fractionating tower carries out rectification separation according to different boiling points of nitrogen and oxygen, the start and stop of a pneumatic valve are controlled by a DCS control system to complete oxygen-nitrogen separation, nitrogen is continuously output, the pressure of the nitrogen is balanced by the nitrogen passing through a nitrogen buffer tank to ensure that the nitrogen is continuously supplied stably, the nitrogen is controlled to be sent to a tin bath when the oxygen content of the nitrogen is less than or equal to 3PPm, in addition, oxygen (polluted nitrogen) passes through a cold box of the reheating fractionation tower, one part of the oxygen is used as regeneration gas for a purifier, and the regenerated oxygen and the other part of the polluted nitrogen are collected to a gas producer to be used as combustion-supporting gas.
The buffer tank is mainly used for buffering pressure fluctuation of the system in various systems, so that the system works more stably. The cushioning properties of the buffer tank are mainly achieved by compressing the compressed air in the tank. The buffer tank has two types, namely a diaphragm type buffer tank and a gas bag type buffer tank. The nitrogen buffer tank is used as a ring in the distributed control nitrogen making system, and the nitrogen buffer tank is used for buffering the pressure of nitrogen.
The pressure of a general nitrogen buffer tank is controlled by controlling the amount of introduced nitrogen, the introduced nitrogen is not well pumped out, the pressure of the nitrogen stored in the nitrogen buffer tank can be directly influenced, and the control on the internal pressure of the nitrogen buffer tank is not simple and efficient.
In view of this, we propose a fully automated distributed control nitrogen generation system, especially a nitrogen buffer tank.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to provide a full-automatic distributed control nitrogen generation system to solve the problems in the background technology.
2. Technical scheme
A full-automatic distributed control nitrogen making system comprises a buffer tank body, a bottom plate, a hydraulic cylinder, a piston mechanism and a standby pressure regulating mechanism, wherein the piston mechanism is arranged below the inner part of the buffer tank body, the bottom end of the piston mechanism is connected with the hydraulic cylinder, and the standby pressure regulating mechanism is arranged above one side of the buffer tank body;
the piston mechanism is composed of a first piston disc, a cylinder, a second piston disc and a connecting disc, the first piston disc and the second piston disc are connected through the cylinder, the outer sides of the first piston disc and the second piston disc are respectively contacted with the inner wall of the buffer tank body, and the connecting disc is fixed on the lower surface of the second piston disc;
a connecting rod is fixed at the top end of a push rod arranged in the hydraulic cylinder, and the top end of the connecting rod is fixedly connected with the middle of the lower surface of the connecting disc;
reserve pressure regulating mechanism comprises connecting pipe, U-shaped pipe, third solenoid valve and fourth solenoid valve, and the U-shaped pipe is fixed in buffer tank body one side top, and the buffer tank body is stretched out respectively at the both ends of U-shaped pipe, the U-shaped pipe is located the middle department of the inside vertical end of buffer tank body and is fixed with the connecting pipe, the one end that the U-shaped pipe is located the top is connected with the third solenoid valve, the one end that the U-shaped pipe is located the below is connected with the fourth solenoid valve.
Preferably, the outside of buffer tank body bottom is the annular array and is fixed with three pillar, and the bottom of three pillar is fixed respectively on the bottom plate, and the opening part of buffer tank body bottom is fixed with the closing cap, and the closing cap is sealed with buffer tank body bottom open-ended junction.
Preferably, the top cover is fixed with at buffer tank body top, and the inner chamber and the inside intercommunication of buffer tank body of top cover have intake pipe and outlet duct in the symmetry grafting on the top cover, and intake pipe and outlet duct stretch into inside the top cover respectively, and intake pipe and outlet duct are sealed respectively with the junction of top cover, and the top of intake pipe is fixed with first solenoid valve, and the top of outlet duct is fixed with the second solenoid valve, and the opening part that first solenoid valve and second solenoid valve deviate from one end mutually is fixed with first joint and second joint respectively.
Preferably, the top of the hydraulic cylinder penetrates through the middle of the sealing cover and extends into the buffer tank body, and a first sealing ring is arranged at the joint of the top of the hydraulic cylinder and the sealing cover.
Preferably, a second sealing ring is arranged at the joint of the U-shaped pipe and the upper part of one side of the buffer tank body.
Preferably, the connecting pipe is located inside the buffer tank body, and the inside of the connecting pipe is communicated with the inside of the U-shaped pipe.
Preferably, one end of the U-shaped pipe above the U-shaped pipe is set as an air outlet end, and one end of the U-shaped pipe below the U-shaped pipe is set as an air inlet end.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
1. after nitrogen gas is introduced into the interior of the buffer tank body, the pressure detector on the top cover detects the pressure inside the buffer tank body, when the pressure in the buffer tank body is too low, the push rod in the hydraulic cylinder pushes the control connecting rod upwards to move upwards to drive the piston mechanism to move upwards, so that the nitrogen storage space in the buffer tank body is reduced, and the interior of the buffer tank body is pressurized through the compression space. When this internal pressure of buffer tank was too high, the push rod in the pneumatic cylinder pushed down the control connecting rod and moved down and drive piston mechanism and move down, made the inside nitrogen gas parking space grow of buffer tank body, through the inside step-down of release space to the buffer tank body. Pressure is adjusted through the size of the inside nitrogen gas parking space of control buffer tank body, and the operation is high-efficient swift.
2. The piston mechanism is provided with a first piston disc and a second piston disc, when one of the first piston disc or the second piston disc is damaged and does not have a sealing effect, the other piston disc can also continue to work normally, and the pressure can be continuously adjusted by controlling the size of the nitrogen storage space in the buffer tank body.
3. When the first piston disc and the second piston disc on the piston mechanism are completely damaged, the pressure inside the buffer tank body is controlled through the standby pressure regulating mechanism, and when the pressure inside the buffer tank body is overlarge, the third electromagnetic valve is opened to release nitrogen outwards, so that the pressure inside the buffer tank body is reduced; when the internal pressure of the buffer tank body is too small, the fourth electromagnetic valve is opened to introduce nitrogen into the buffer tank body, so that the internal pressure of the buffer tank body is increased.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the connecting structure of the surge tank body of the present invention in a front cross-sectional view;
FIG. 3 is an enlarged schematic view of the gas inlet and outlet mechanism connection structure of FIG. 2 according to the present invention;
FIG. 4 is an enlarged schematic view of the hydraulic mechanism connection structure of FIG. 2 of the present invention;
fig. 5 is an enlarged schematic view of the connection structure of the standby voltage regulating mechanism of fig. 2 according to the present invention.
The reference numbers in the figures illustrate: 1. a buffer tank body; 101. a pillar; 102. a base plate; 103. a top cover; 104. a first solenoid valve; 105. a second solenoid valve; 106. sealing the cover; 107. a second joint; 108. a first joint; 109. an air inlet pipe; 1010. an air outlet pipe; 1011. a first seal ring; 2. a hydraulic cylinder; 201. a connecting rod; 3. a piston mechanism; 301. a first piston disc; 302. a cylinder; 303. a second piston disc; 304. a connecting disc; 4. a standby pressure regulating mechanism; 401. a connecting pipe; 402. a U-shaped tube; 403. a third electromagnetic valve; 404. a fourth solenoid valve; 405. and a second seal ring.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-5, the present invention provides a technical solution:
the utility model provides a full automatization distributed control nitrogen system, including buffer tank body 1, bottom plate 102, pneumatic cylinder 2, piston mechanism 3 and reserve pressure regulating mechanism 4, 1 top of buffer tank body is fixed with top cap 103, the inner chamber and the inside intercommunication of buffer tank body 1 of top cap 103, the symmetry is pegged graft on top cap 103 and is had intake pipe 109 and outlet duct 1010, intake pipe 109 and outlet duct 1010 stretch into inside top cap 103 respectively, intake pipe 109 and outlet duct 1010 are sealed respectively with the junction of top cap 103, the top of intake pipe 109 is fixed with first solenoid valve 104, the top of outlet duct 1010 is fixed with second solenoid valve 105, first solenoid valve 104 and the opening part of second solenoid valve 105 back to back from one end are fixed with first joint 108 and second joint 107 respectively. As is well known to those skilled in the art, the provision of the first solenoid valve 104 and the second solenoid valve 105 is common to those skilled in the art, and is not described herein in detail, and any selection may be made by those skilled in the art as needed or convenient. The first joint 108 and the second joint 107 are respectively connected with an external nitrogen conveying pipeline, the first electromagnetic valve 104 is opened, and nitrogen is introduced into the buffer tank body 1 through the air inlet pipe 109; when the nitrogen gas is discharged, the second electromagnetic valve 105 is opened, and the nitrogen gas in the buffer tank body 1 is discharged through the gas outlet pipe 1010.
Piston mechanism 3 is installed to the inside below of buffer tank body 1, and piston mechanism 3 bottom is connected with pneumatic cylinder 2, and 1 one side top of buffer tank body is provided with reserve pressure regulating mechanism 4.
Specifically, referring to fig. 2 and 4, the piston mechanism 3 is composed of a first piston disc 301, a cylinder 302, a second piston disc 303 and a connecting disc 304, the first piston disc 301 and the second piston disc 303 are connected through the cylinder 302, the outer sides of the first piston disc 301 and the second piston disc 303 are respectively in contact with the inner wall of the buffer tank body 1, and the connecting disc 304 is fixed on the lower surface of the second piston disc 303.
The top end of a push rod arranged in the hydraulic cylinder 2 is fixed with a connecting rod 201, and the top end of the connecting rod 201 is fixedly connected with the middle of the lower surface of the connecting disc 304. As is well known to those skilled in the art, the provision of the hydraulic cylinder 2 is well known and is conventional and will not be described herein, and any selection may be made by those skilled in the art as needed or convenient.
After nitrogen gas is introduced into the interior of the buffer tank body 1, the pressure detector on the top cover 103 detects the pressure inside the buffer tank body 1, when the pressure in the buffer tank body 1 is too low, the push rod in the hydraulic cylinder 2 pushes the control connecting rod 201 upwards to move up and drive the piston mechanism 3 to move up, so that the nitrogen gas storage space inside the buffer tank body 1 is reduced, and the interior of the buffer tank body 1 is pressurized through the compression space. When the pressure in the buffer tank body 1 is too high, the push rod in the hydraulic cylinder 2 pushes the control connecting rod 201 downwards to drive the piston mechanism 3 to move downwards, so that the nitrogen storage space in the buffer tank body 1 is enlarged, and the pressure in the buffer tank body 1 is reduced through the release space. Pressure is adjusted through the size of the inside nitrogen gas parking space of control buffer tank body 1, and the operation is high-efficient swift.
Further, referring to fig. 2 and 5, the standby pressure regulating mechanism 4 is composed of a connecting pipe 401, a U-shaped pipe 402, a third electromagnetic valve 403 and a fourth electromagnetic valve 404, the U-shaped pipe 402 is fixed above one side of the buffer tank body 1, two ends of the U-shaped pipe 402 respectively extend out of the buffer tank body 1, the connecting pipe 401 is fixed in the middle of the vertical end of the U-shaped pipe 402 inside the buffer tank body 1, the third electromagnetic valve 403 is connected to the upper end of the U-shaped pipe 402, and the fourth electromagnetic valve 404 is connected to the lower end of the U-shaped pipe 402, as is well known to those skilled in the art, the third electromagnetic valve 403 and the fourth electromagnetic valve 404 are provided with common knowledge and are all in the conventional manner or common knowledge, and will not be described herein again, and those skilled in the art can perform any optional matching according to their needs or convenience. The end of the U-shaped tube 402 above is set as the air outlet end, and the end of the U-shaped tube 402 below is set as the air inlet end.
When the first piston disc 301 and the second piston disc 303 on the piston mechanism 3 are completely damaged, the pressure inside the buffer tank body 1 is controlled through the standby pressure regulating mechanism 4, and when the pressure inside the buffer tank body 1 is overlarge, the third electromagnetic valve 403 is opened to release nitrogen outwards, so that the pressure inside the buffer tank body 1 is reduced; when the internal pressure of the buffer tank body 1 is too low, the fourth electromagnetic valve 404 is opened to introduce nitrogen gas into the buffer tank body 1, so that the internal pressure of the buffer tank body 1 is increased.
Still further, referring to fig. 1, three pillars 101 are fixed to the outer side of the bottom of the buffer tank body 1 in an annular array, bottom ends of the three pillars 101 are respectively fixed to a bottom plate 102, the bottom plate 102 is fixed to the ground, and the three pillars 101 support the buffer tank body 1. A sealing cover 106 is fixed at the opening at the bottom end of the buffer tank body 1, and the joint of the sealing cover 106 and the opening at the bottom end of the buffer tank body 1 is sealed.
Further, referring to fig. 2 and 4, the top of the hydraulic cylinder 2 extends into the buffer tank body 1 from the middle of the cover 106, and a first sealing ring 1011 is disposed at the connection between the top of the hydraulic cylinder 2 and the cover 106. The first seal 1011 secures the inside of the surge tank body 1 in a closed state.
It should be noted that, referring to fig. 5, a second sealing ring 405 is disposed at a connection portion between the U-shaped pipe 402 and the buffer tank body 1. The second seal 405 ensures that the inside of the surge tank body 1 is closed.
It should be noted that, referring to fig. 5, the connecting pipe 401 is located inside the buffer tank body 1, and the inside of the connecting pipe 401 is communicated with the inside of the U-shaped pipe 402. The nitrogen gas in the surge tank body 1 can enter the U-shaped pipe 402 through the connection pipe 401.
Besides, the circuits, electronic components and modules involved in the invention are all the prior art, and can be fully realized by those skilled in the art, needless to say, the protection content of the invention also does not involve the improvement of the internal structure and method.
The working principle is as follows: the first joint 108 and the second joint 107 are respectively connected with an external nitrogen conveying pipeline, the first electromagnetic valve 104 is opened, and nitrogen is introduced into the buffer tank body 1 through the air inlet pipe 109; when the nitrogen gas is discharged, the second electromagnetic valve 105 is opened, and the nitrogen gas in the buffer tank body 1 is discharged through the gas outlet pipe 1010.
After nitrogen gas is introduced into the interior of the buffer tank body 1, the pressure detector on the top cover 103 detects the pressure inside the buffer tank body 1, when the pressure in the buffer tank body 1 is too low, the push rod in the hydraulic cylinder 2 pushes the control connecting rod 201 upwards to move up and drive the piston mechanism 3 to move up, so that the nitrogen gas storage space inside the buffer tank body 1 is reduced, and the interior of the buffer tank body 1 is pressurized through the compression space. When the pressure in the buffer tank body 1 is too high, the push rod in the hydraulic cylinder 2 pushes the control connecting rod 201 downwards to drive the piston mechanism 3 to move downwards, so that the nitrogen storage space in the buffer tank body 1 is enlarged.
When the first piston disc 301 and the second piston disc 303 on the piston mechanism 3 are completely damaged, the pressure inside the buffer tank body 1 is controlled through the standby pressure regulating mechanism 4, and when the pressure inside the buffer tank body 1 is overlarge, the third electromagnetic valve 403 is opened to release nitrogen outwards, so that the pressure inside the buffer tank body 1 is reduced; when the internal pressure of the buffer tank body 1 is too low, the fourth electromagnetic valve 404 is opened to introduce nitrogen gas into the buffer tank body 1, so that the internal pressure of the buffer tank body 1 is increased.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a full automatization distributed control nitrogen system, includes buffer tank body (1), bottom plate (102), pneumatic cylinder (2), piston mechanism (3) and reserve pressure regulating mechanism (4), its characterized in that: a piston mechanism (3) is arranged below the inner part of the buffer tank body (1), the bottom end of the piston mechanism (3) is connected with a hydraulic cylinder (2), and a standby pressure regulating mechanism (4) is arranged above one side of the buffer tank body (1);
the piston mechanism (3) is composed of a first piston disc (301), a cylinder (302), a second piston disc (303) and a connecting disc (304), the first piston disc (301) and the second piston disc (303) are connected through the cylinder (302), the outer sides of the first piston disc (301) and the second piston disc (303) are respectively contacted with the inner wall of the buffer tank body (1), and the connecting disc (304) is fixed on the lower surface of the second piston disc (303);
a connecting rod (201) is fixed at the top end of a push rod arranged in the hydraulic cylinder (2), and the top end of the connecting rod (201) is fixedly connected with the middle of the lower surface of the connecting disc (304);
reserve pressure regulating mechanism (4) comprise connecting pipe (401), U-shaped pipe (402), third solenoid valve (403) and fourth solenoid valve (404), and buffer tank body (1) one side top is fixed in U-shaped pipe (402), and buffer tank body (1) is stretched out respectively at the both ends of U-shaped pipe (402), the middle department that U-shaped pipe (402) are located buffer tank body (1) inside vertical end is fixed with connecting pipe (401), the one end that U-shaped pipe (402) are located the top is connected with third solenoid valve (403), the one end that U-shaped pipe (402) are located the below is connected with fourth solenoid valve (404).
2. The fully automated distributed control nitrogen generation system according to claim 1, wherein: the outer side of the bottom of the buffer tank body (1) is fixed with three pillars (101) in an annular array mode, the bottom ends of the three pillars (101) are fixed on the bottom plate (102) respectively, a sealing cover (106) is fixed at an opening of the bottom end of the buffer tank body (1), and a joint of the sealing cover (106) and the opening of the bottom end of the buffer tank body (1) is sealed.
3. The fully automated distributed control nitrogen generation system according to claim 1, wherein: buffer tank body (1) top is fixed with top cap (103), the inner chamber and the inside intercommunication of buffer tank body (1) of top cap (103), the symmetry is gone up and is pegged graft and have intake pipe (109) and outlet duct (1010), intake pipe (109) and outlet duct (1010) stretch into inside top cap (103) respectively, intake pipe (109) and outlet duct (1010) are sealed respectively with the junction of top cap (103), the top of intake pipe (109) is fixed with first solenoid valve (104), the top of outlet duct (1010) is fixed with second solenoid valve (105), first solenoid valve (104) and second solenoid valve (105) are fixed with first joint (108) and second joint (107) respectively apart from the opening part of one end mutually.
4. The fully automated distributed control nitrogen generation system according to claim 2, wherein: the top of the hydraulic cylinder (2) penetrates through the middle of the sealing cover (106) and extends into the buffer tank body (1), and a first sealing ring (1011) is arranged at the joint of the top of the hydraulic cylinder (2) and the sealing cover (106).
5. The fully automated distributed control nitrogen generation system according to claim 1, wherein: and a second sealing ring (405) is arranged at the joint of the U-shaped pipe (402) and the upper part of one side of the buffer tank body (1).
6. The fully automated distributed control nitrogen generation system according to claim 1, wherein: the connecting pipe (401) is located inside the buffer tank body (1), and the inside of the connecting pipe (401) is communicated with the inside of the U-shaped pipe (402).
7. The fully automated distributed control nitrogen generation system according to claim 1, wherein: one end of the U-shaped pipe (402) above is set as an air outlet end, and one end of the U-shaped pipe (402) below is set as an air inlet end.
CN202210616933.8A 2022-06-01 2022-06-01 Full-automatic distributed control nitrogen making system Pending CN115076503A (en)

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Application Number Priority Date Filing Date Title
CN202210616933.8A CN115076503A (en) 2022-06-01 2022-06-01 Full-automatic distributed control nitrogen making system

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Application Number Priority Date Filing Date Title
CN202210616933.8A CN115076503A (en) 2022-06-01 2022-06-01 Full-automatic distributed control nitrogen making system

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1555911A (en) * 2003-12-31 2004-12-22 广州市白云化工实业有限公司 Buffer reaction storage tank
CN105562302A (en) * 2015-12-22 2016-05-11 广州市白云化工实业有限公司 Anti-skinning device of sealant storage tank
CN106247170A (en) * 2016-08-03 2016-12-21 镇江飞利达电站设备有限公司 Nitrogen buffer tank
WO2019163664A1 (en) * 2018-02-23 2019-08-29 三菱日立パワーシステムズ株式会社 Powder supply hopper pressurization device, gasification furnace facility, gasification combined power generation facility, and control method for powder supply hopper pressurization device
CN111174022A (en) * 2020-03-25 2020-05-19 黄河勘测规划设计研究院有限公司 Water hammer protection device suitable for long-distance water delivery system
CN111198071A (en) * 2018-11-20 2020-05-26 西安天衡计量仪表有限公司 Crude oil pressure gauge buffer tank
CN212430425U (en) * 2020-05-14 2021-01-29 沧州蓝润生物制药有限公司 Chlorine gas buffer tank for producing chlorobromoisocyanuric acid product
CN212759095U (en) * 2020-05-12 2021-03-23 兖矿国宏化工有限责任公司 Compressed gas continuous supply device of coal grinding system
CN213866220U (en) * 2020-09-22 2021-08-03 上海昌进生物科技有限公司 Biological fermentation buffer tank
CN214126875U (en) * 2020-08-20 2021-09-07 四川澳尖尖信息科技有限公司 Vacuum pressure-changing buffering equipment for food processing
CN215597046U (en) * 2021-03-22 2022-01-21 山东珍益药业有限公司 Buffer tank convenient to pipeline butt joint
CN114433413A (en) * 2022-01-06 2022-05-06 中自环保科技股份有限公司 Honeycomb carrier ration is given thick liquid coating equipment

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1555911A (en) * 2003-12-31 2004-12-22 广州市白云化工实业有限公司 Buffer reaction storage tank
CN105562302A (en) * 2015-12-22 2016-05-11 广州市白云化工实业有限公司 Anti-skinning device of sealant storage tank
CN106247170A (en) * 2016-08-03 2016-12-21 镇江飞利达电站设备有限公司 Nitrogen buffer tank
WO2019163664A1 (en) * 2018-02-23 2019-08-29 三菱日立パワーシステムズ株式会社 Powder supply hopper pressurization device, gasification furnace facility, gasification combined power generation facility, and control method for powder supply hopper pressurization device
CN111198071A (en) * 2018-11-20 2020-05-26 西安天衡计量仪表有限公司 Crude oil pressure gauge buffer tank
CN111174022A (en) * 2020-03-25 2020-05-19 黄河勘测规划设计研究院有限公司 Water hammer protection device suitable for long-distance water delivery system
CN212759095U (en) * 2020-05-12 2021-03-23 兖矿国宏化工有限责任公司 Compressed gas continuous supply device of coal grinding system
CN212430425U (en) * 2020-05-14 2021-01-29 沧州蓝润生物制药有限公司 Chlorine gas buffer tank for producing chlorobromoisocyanuric acid product
CN214126875U (en) * 2020-08-20 2021-09-07 四川澳尖尖信息科技有限公司 Vacuum pressure-changing buffering equipment for food processing
CN213866220U (en) * 2020-09-22 2021-08-03 上海昌进生物科技有限公司 Biological fermentation buffer tank
CN215597046U (en) * 2021-03-22 2022-01-21 山东珍益药业有限公司 Buffer tank convenient to pipeline butt joint
CN114433413A (en) * 2022-01-06 2022-05-06 中自环保科技股份有限公司 Honeycomb carrier ration is given thick liquid coating equipment

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