CN115321042A - Steel band winding pressure vessel - Google Patents
Steel band winding pressure vessel Download PDFInfo
- Publication number
- CN115321042A CN115321042A CN202210974379.0A CN202210974379A CN115321042A CN 115321042 A CN115321042 A CN 115321042A CN 202210974379 A CN202210974379 A CN 202210974379A CN 115321042 A CN115321042 A CN 115321042A
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- Prior art keywords
- fixedly connected
- barrel
- piston cylinder
- steel strip
- pressure vessel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/12—Supports
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/02—Large containers rigid
- B65D88/06—Large containers rigid cylindrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/02—Wall construction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/54—Gates or closures
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
Abstract
The invention discloses a steel strip winding pressure vessel which comprises a barrel and a bearing plate, wherein two support plates are fixedly connected to the bearing plate, the two support plates are fixedly connected with the barrel, an inner steel strip layer and an outer steel strip layer are wound on the barrel, the end surface, close to the barrel, of the inner steel strip layer is smooth, the inner steel strip layer and the outer steel strip layer are buckled with each other, the end surface, far away from the inner steel strip layer, of the outer steel strip layer is smooth, a barrel cover used for covering the top end of the barrel is arranged on the barrel, a first piston barrel is arranged on the barrel cover, a first sealing plug is connected onto the first piston barrel in a sliding mode, a first piston rod is fixedly connected onto the first sealing plug, a pressing plate is fixedly connected onto the first piston rod, and a pressurizing mechanism used for gradually pressurizing the pressing plate is arranged on the bearing plate. The invention achieves the effect that the pressure plate slides downwards for a certain distance each time by the matching of the integral structure, thereby gradually increasing the pressure in the cylinder, improving the reaction rate and improving the reaction quality.
Description
Technical Field
The invention relates to the technical field of pressure containers, in particular to a steel belt wound pressure container.
Background
The pressure vessel is widely applied to various modern industrial production and high-tech departments, in particular to equipment of various large-scale, high-temperature, cryogenic, high-pressure, corrosion-resistant and other special noble pressure vessels, such as a large urea synthesis tower, a petroleum hydrogenation reactor, a full stainless steel liquid hydrogen high-pressure vessel, a nuclear reactor pressure shell, various ultra-large pressure storage tanks and the like, and is more key equipment of the industrial and technical departments of chemical industry, energy, high-tech and the like.
At present, when a pressure container needs to react, the pressure of the pressure container is often manually adjusted at different time ends, time and labor are wasted, and accidents can happen due to negligence, so that a steel belt is wound on the pressure container to solve the problems.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a steel strip-wound pressure vessel.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a steel band winding pressure vessel, includes barrel and bearing plate, two backup pads of fixedly connected with on the bearing plate, two backup pad and barrel fixed connection, the winding has interior steel band layer and outer steel band layer on the barrel, interior steel band layer is close to the terminal surface of barrel and levels, mutual lock between interior steel band layer and the outer steel band layer, the terminal surface on steel band layer keeps away from in outer steel band layer levels, be equipped with the cover that is used for closing with barrel top lid on the barrel, be equipped with first piston cylinder on the cover, sliding connection has first sealing plug on the first piston cylinder, first piston rod of fixedly connected with on the first sealing plug, fixedly connected with clamp plate on the first piston rod, be equipped with on the bearing plate and be used for the pressure mechanism progressively pressurized for the clamp plate.
As a further preferred aspect of the present technical solution, a first spring is sleeved on the first piston rod, and two ends of the first spring are respectively fixedly connected with the first sealing plug and the first piston cylinder.
As a further preferred aspect of the present technical solution, the pressurizing mechanism includes a motor frame fixedly connected to the bearing plate, the motor frame is fixedly connected to a motor, an output end of the motor is fixedly connected to a rotation shaft, and the rotation shaft is fixedly connected to a cam.
As a further preferable mode of the present technical solution, the pressurizing mechanism further includes a second piston cylinder fixedly connected to the bearing plate, a second sealing plug is slidably connected to the second piston cylinder, a second piston rod is fixedly connected to the second sealing plug, and the second piston rod abuts against the cam.
As a further preferable mode of the present technical solution, the pressurizing mechanism further includes a second spring disposed in the second piston cylinder, and two ends of the second spring are respectively fixedly connected to the second sealing plug and the second piston cylinder.
As a further preferred aspect of the present technical solution, the pressurizing mechanism further includes an intake pipe and an exhaust pipe, the first piston cylinder is communicated with the outside through the intake pipe, the first piston cylinder is fixedly communicated with the second piston cylinder through the exhaust pipe, and the intake pipe and the exhaust pipe are both fixedly connected with a check valve.
As a further preferable feature of the present invention, the first piston cylinder is provided with an exhaust valve.
As a further preferred option of the technical scheme, a protective sleeve is sleeved on the outer steel belt layer, and rubber pads are arranged on the two supporting plates.
The invention provides a steel strip winding pressure container which has the following beneficial effects:
(1) The invention achieves the effect that the pressure plate slides downwards for a certain distance each time by the cooperation of the integral structure, thereby gradually increasing the pressure in the cylinder, improving the reaction rate and improving the reaction quality.
(2) According to the invention, through the pressurizing mechanism, the effect that the gas in the second piston cylinder is sent to the first piston cylinder through the exhaust pipe, so that the first piston rod and the first sealing plug in the first piston cylinder drive the pressing plate to gradually slide downwards is achieved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional structural view of an inner steel belt layer and an outer steel belt layer according to the present invention;
FIG. 3 is a schematic cross-sectional view of the pressing mechanism of the present invention;
fig. 4 is a schematic cross-sectional view of the first piston cylinder according to the present invention.
In the figure: 1. a barrel; 11. a bearing plate; 12. a support plate; 13. an inner steel belt layer; 14. an outer steel belt layer; 2. a cylinder cover; 21. a first piston cylinder; 22. a first piston rod; 23. pressing a plate; 24. a first sealing plug; 25. a first spring; 3. a motor; 31. a motor frame; 32. a rotating shaft; 33. a cam; 4. a second piston cylinder; 41. a second piston rod; 42. a second sealing plug; 43. a second spring; 44. an air inlet pipe; 45. a one-way valve; 46. and (4) exhausting the gas.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The invention provides the technical scheme that: as shown in fig. 1, fig. 2, and fig. 4, in this embodiment, a steel strip-wound pressure vessel includes a barrel 1 and a bearing plate 11, two support plates 12 are fixedly connected to the bearing plate 11, the two support plates 12 are fixedly connected to the barrel 1, an inner steel strip layer 13 and an outer steel strip layer 14 are wound on the barrel 1, an end surface of the inner steel strip layer 13 close to the barrel 1 is flat, the inner steel strip layer 13 and the outer steel strip layer 14 are buckled with each other, an end surface of the outer steel strip layer 14 far from the inner steel strip layer 13 is flat, a barrel cover 2 for covering a top end of the barrel 1 is arranged on the barrel 1, a first piston barrel 21 is arranged on the barrel cover 2, a first sealing plug 24 is slidably connected on the first piston barrel 21, a first piston rod 22 is fixedly connected to the first piston rod 24, a pressing plate 23 is fixedly connected to the first piston rod 22, and a pressurizing mechanism for gradually pressurizing the pressing plate 23 is arranged on the bearing plate 11.
The inner steel belt layer 13 and the outer steel belt layer 14 are buckled with each other, so that effective axial bearing is guaranteed, the circumferential strength of the barrel body 1 is not weakened due to the inner steel belt layer 13 and the outer steel belt layer 14, and the axial bearing force is large; even if the leakage occurs in the can 1, the inner and outer steel belt layers 13 and 14 are wound.
When a pressure vessel needs to react, the pressure of the pressure vessel is often manually adjusted at different time ends, which is time consuming, laborious and possibly inadvertent, and therefore an accident occurs.
By arranging the pressing plate 23, the pressure can be applied to the interior of the cylinder 1, so that the reaction rate and the reaction quality are improved.
As shown in fig. 4, a first spring 25 is sleeved on the first piston rod 22, and two ends of the first spring 25 are fixedly connected with the first sealing plug 24 and the first piston cylinder 21, respectively.
Through the arrangement of the first spring 25, the elastic force of the first spring 25 is released after the exhaust valve is started, so that the pressure plate 23 cancels the pressure application and resets.
As shown in fig. 1 and 3, the pressurizing mechanism includes a motor frame 31 fixedly connected to the bearing plate 11, a motor 3 is fixedly connected to the motor frame 31, a rotating shaft 32 is fixedly connected to an output end of the motor 3, and a cam 33 is fixedly connected to the rotating shaft 32.
The pressurizing mechanism further comprises a second piston cylinder 4 fixedly connected to the bearing plate 11, a second sealing plug 42 is slidably connected to the second piston cylinder 4, a second piston rod 41 is fixedly connected to the second sealing plug 42, and the second piston rod 41 abuts against the cam 33.
The pressurizing mechanism further comprises a second spring 43 disposed in the second piston cylinder 4, and both ends of the second spring 43 are fixedly connected with the second sealing plug 42 and the second piston cylinder 4, respectively.
The pressurizing mechanism further comprises an air inlet pipe 44 and an air outlet pipe 46, the first piston cylinder 21 is communicated with the outside through the air inlet pipe 44, the first piston cylinder 21 is fixedly communicated with the second piston cylinder 4 through the air outlet pipe 46, and the air inlet pipe 44 and the air outlet pipe 46 are both fixedly connected with a one-way valve 45.
The motor 3 is started, the rotating shaft 32 rotates, so that the cam 33 on the rotating shaft rotates, the cam 33 abuts against the second piston rod 41, when the cam 33 rotates towards the most ' convex ' position, the second piston rod 41 drives the second sealing plug 42 to slide downwards along the second piston cylinder 4, when the cam 33 rotates from the most ' convex ' position to the non-convex ' position, the elastic force of the second spring 43 is released, so that the second piston rod 41 drives the second sealing plug 42 to slide upwards along the second piston cylinder 4, and the second piston rod 41 drives the second sealing plug 42 to slide upwards and downwards along the second piston cylinder 4 in a reciprocating manner, so that the air pressure of the second piston cylinder 4 changes in a reciprocating manner.
When the second piston rod 41 and the second sealing plug 42 slide upwards in the second piston cylinder 4, negative pressure is generated under the cooperation of the one-way valve 45, so that outside air is sucked into the second piston cylinder 4 through the air inlet pipe 44, and when the second piston rod 41 and the second sealing plug 42 slide downwards in the second piston cylinder 4, high pressure is generated under the cooperation of the one-way valve 45, so that the air in the second piston cylinder 4 is sent to the first piston cylinder 21 through the air outlet pipe 46, so that the first piston rod 22 and the first sealing plug 24 in the first piston cylinder 21 drive the pressing plate 23 to slide downwards, and the reciprocating is performed in such a way, so that the pressing plate 23 slides downwards for a certain distance each time, and the pressure in the cylinder body 1 is gradually increased, thereby not only increasing the reaction rate, but also improving the reaction effect.
As shown in fig. 1, the first piston cylinder 21 is provided with an exhaust valve.
After the reaction is finished, the motor 3 is turned off, then the gas in the first piston cylinder 21 is exhausted by the exhaust valve manually, and then the cylinder cover 2 is opened to take out the reactant.
As shown in FIG. 1, a protective sleeve is sleeved on the outer steel belt layer 14, and rubber pads are arranged on the two supporting plates 12.
Through setting up rubber sleeve and rubber pad, reached the effect of protection barrel 1.
The invention provides a steel strip winding pressure container, which specifically adopts the following working principle: the inner steel belt layer 13 and the outer steel belt layer 14 are buckled with each other, so that effective axial bearing is guaranteed, the circumferential strength of the cylinder body 1 is not weakened due to the inner steel belt layer 13 and the outer steel belt layer 14, and the axial bearing capacity is large; even if the leakage occurs in the can 1, the inner and outer steel belt layers 13 and 14 are wound.
When the pressure vessel needs to react, the pressure of the pressure vessel is often manually adjusted at different time ends, which is time-consuming, laborious and may be inadvertent, thereby causing accidents.
When the motor 3 is started, the rotating shaft 32 rotates, so that the cam 33 thereon rotates, and because the cam 33 abuts against the second piston rod 41, when the cam 33 rotates to the most "convex" position, the second piston rod 41 drives the second sealing plug 42 to slide downwards along the second piston cylinder 4, and when the cam 33 rotates from the most "convex" position to the non "convex" position, the elastic force of the second spring 43 is released, so that the second piston rod 41 drives the second sealing plug 42 to slide upwards along the second piston cylinder 4, so that the second piston rod 41 drives the second sealing plug 42 to slide upwards and downwards along the second piston cylinder 4 in a reciprocating manner, so as to change the air pressure of the second piston cylinder 4 in a reciprocating manner, which is described in detail as follows:
in the above, when the second piston rod 41 and the second sealing plug 42 slide upwards in the second piston cylinder 4, a negative pressure is generated in cooperation with the check valve 45, so that outside air is sucked into the second piston cylinder 4 through the air inlet pipe 44, and when the second piston rod 41 and the second sealing plug 42 slide downwards in the second piston cylinder 4, a high pressure is generated in cooperation with the check valve 45, so that air in the second piston cylinder 4 is sent into the first piston cylinder 21 through the air outlet pipe 46, the first piston rod 22 and the first sealing plug 24 in the first piston cylinder 21 drive the pressing plate 23 to slide downwards, and the reciprocating is performed in such a way that the pressing plate 23 slides downwards for a distance each time, so that the pressure in the cylinder body 1 is gradually increased, thereby not only increasing the reaction rate, but also improving the reaction effect.
After the reaction is finished, the motor 3 is closed, then the gas in the first piston cylinder 21 is exhausted by the exhaust valve manually, and then the cylinder cover 2 is opened, and the reactant is taken out.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a steel band winding pressure vessel, includes barrel (1) and bearing plate (11), two backup pad (12) of fixedly connected with on bearing plate (11), two backup pad (12) and barrel (1) fixed connection, the winding has interior steel band layer (13) and outer steel band layer (14) on barrel (1), the terminal surface that interior steel band layer (13) are close to barrel (1) levels, lock each other between interior steel band layer (13) and outer steel band layer (14), the terminal surface that interior steel band layer (13) were kept away from to outer steel band layer (14) levels, be equipped with on barrel (1) and be used for cylinder cover (2) that close with barrel (1) top, its characterized in that: be equipped with first piston cylinder (21) on cover (2), sliding connection has first sealing plug (24) on first piston cylinder (21), fixedly connected with first piston rod (22) on first sealing plug (24), fixedly connected with clamp plate (23) on first piston rod (22), be equipped with on bearing plate (11) and be used for the gradual pressurized loading system of clamp plate (23).
2. A steel strip wound pressure vessel according to claim 1, wherein: and a first spring (25) is sleeved on the first piston rod (22), and two ends of the first spring (25) are respectively fixedly connected with a first sealing plug (24) and the first piston cylinder (21).
3. A steel strip-wound pressure vessel as claimed in claim 1, in which: the pressurization mechanism is including motor frame (31) of fixed connection on bearing plate (11), fixedly connected with motor (3) on motor frame (31), the output end fixedly connected with axis of rotation (32) of motor (3), fixedly connected with cam (33) on axis of rotation (32).
4. A steel strip-wound pressure vessel as claimed in claim 3, in which: the pressurizing mechanism further comprises a second piston cylinder (4) fixedly connected to the bearing plate (11), a second sealing plug (42) is connected to the second piston cylinder (4) in a sliding mode, a second piston rod (41) is fixedly connected to the second sealing plug (42), and the second piston rod (41) is abutted to the cam (33).
5. The steel strip-wound pressure vessel of claim 4, wherein: the pressurizing mechanism further comprises a second spring (43) placed in the second piston cylinder (4), and two ends of the second spring (43) are fixedly connected with the second sealing plug (42) and the second piston cylinder (4) respectively.
6. A steel strip wound pressure vessel according to claim 5, wherein: the pressurization mechanism further comprises an air inlet pipe (44) and an air outlet pipe (46), the first piston cylinder (21) is communicated with the outside through the air inlet pipe (44), the first piston cylinder (21) is fixedly communicated with the second piston cylinder (4) through the air outlet pipe (46), and the air inlet pipe (44) and the air outlet pipe (46) are both fixedly connected with one-way valves (45).
7. A steel strip wound pressure vessel according to claim 1, wherein: an exhaust valve is arranged on the first piston cylinder (21).
8. A steel strip-wound pressure vessel as claimed in claim 1, in which: the outer steel belt layer (14) is sleeved with a protective sleeve, and rubber pads are arranged on the two supporting plates (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210974379.0A CN115321042A (en) | 2022-08-15 | 2022-08-15 | Steel band winding pressure vessel |
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CN202210974379.0A CN115321042A (en) | 2022-08-15 | 2022-08-15 | Steel band winding pressure vessel |
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CN115321042A true CN115321042A (en) | 2022-11-11 |
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CN202210974379.0A Pending CN115321042A (en) | 2022-08-15 | 2022-08-15 | Steel band winding pressure vessel |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115888559A (en) * | 2023-02-27 | 2023-04-04 | 烟台兴隆压力容器制造有限公司 | Steel band winding pressure vessel |
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GB423396A (en) * | 1933-11-01 | 1935-01-31 | Borsig Mashcinenbau A G A | Improvements in and relating to the regulation of air compressors |
US4431384A (en) * | 1982-06-01 | 1984-02-14 | Automated Food Systems, Inc. | Food pump |
CN106382462A (en) * | 2016-11-18 | 2017-02-08 | 贵州望江气体有限公司 | High pressure gas filling process |
CN108916379A (en) * | 2018-07-30 | 2018-11-30 | 山东合特晨喆机械科技有限公司 | A kind of pressure vessel and application method with pressure adjusting function |
CN209909545U (en) * | 2019-02-22 | 2020-01-07 | 天津华泰压力容器有限公司 | Section steel strip winding pressure vessel |
CN212960873U (en) * | 2020-06-22 | 2021-04-13 | 巴州美力维机械有限公司 | Supercharging equipment for liquefied natural gas |
CN213668590U (en) * | 2020-10-26 | 2021-07-13 | 深圳市怡禾技术有限公司 | Pressure swing adsorption air separation nitrogen making device |
CN214741973U (en) * | 2021-06-02 | 2021-11-16 | 上海燊茂机电设备有限公司 | Air compressor with internal heat dissipation mechanism |
CN215061249U (en) * | 2021-03-18 | 2021-12-07 | 四川华川基业建设集团珑威容器制造有限公司 | Dedicated non-standard pressure vessel of environment-friendly of petrochemical |
CN216046836U (en) * | 2021-09-08 | 2022-03-15 | 大庆弘久亿机械设备制造有限责任公司 | Pressure container with pressure regulating device |
CN216062123U (en) * | 2021-11-03 | 2022-03-18 | 吴忠领航生物药业科技有限公司 | Chromatographic separation equipment for pesticide production |
CN216798510U (en) * | 2021-12-20 | 2022-06-24 | 南京华伟医疗设备有限公司 | Ultraviolet body surface physical therapy handle |
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2022
- 2022-08-15 CN CN202210974379.0A patent/CN115321042A/en active Pending
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GB423396A (en) * | 1933-11-01 | 1935-01-31 | Borsig Mashcinenbau A G A | Improvements in and relating to the regulation of air compressors |
US4431384A (en) * | 1982-06-01 | 1984-02-14 | Automated Food Systems, Inc. | Food pump |
CN106382462A (en) * | 2016-11-18 | 2017-02-08 | 贵州望江气体有限公司 | High pressure gas filling process |
CN108916379A (en) * | 2018-07-30 | 2018-11-30 | 山东合特晨喆机械科技有限公司 | A kind of pressure vessel and application method with pressure adjusting function |
CN209909545U (en) * | 2019-02-22 | 2020-01-07 | 天津华泰压力容器有限公司 | Section steel strip winding pressure vessel |
CN212960873U (en) * | 2020-06-22 | 2021-04-13 | 巴州美力维机械有限公司 | Supercharging equipment for liquefied natural gas |
CN213668590U (en) * | 2020-10-26 | 2021-07-13 | 深圳市怡禾技术有限公司 | Pressure swing adsorption air separation nitrogen making device |
CN215061249U (en) * | 2021-03-18 | 2021-12-07 | 四川华川基业建设集团珑威容器制造有限公司 | Dedicated non-standard pressure vessel of environment-friendly of petrochemical |
CN214741973U (en) * | 2021-06-02 | 2021-11-16 | 上海燊茂机电设备有限公司 | Air compressor with internal heat dissipation mechanism |
CN216046836U (en) * | 2021-09-08 | 2022-03-15 | 大庆弘久亿机械设备制造有限责任公司 | Pressure container with pressure regulating device |
CN216062123U (en) * | 2021-11-03 | 2022-03-18 | 吴忠领航生物药业科技有限公司 | Chromatographic separation equipment for pesticide production |
CN216798510U (en) * | 2021-12-20 | 2022-06-24 | 南京华伟医疗设备有限公司 | Ultraviolet body surface physical therapy handle |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115888559A (en) * | 2023-02-27 | 2023-04-04 | 烟台兴隆压力容器制造有限公司 | Steel band winding pressure vessel |
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