CN212370733U - Barrel internal surface degassing and degreasing device - Google Patents
Barrel internal surface degassing and degreasing device Download PDFInfo
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- CN212370733U CN212370733U CN202020421770.4U CN202020421770U CN212370733U CN 212370733 U CN212370733 U CN 212370733U CN 202020421770 U CN202020421770 U CN 202020421770U CN 212370733 U CN212370733 U CN 212370733U
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- gas
- inlet pipeline
- cylinder
- combustion system
- jacking
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Abstract
The utility model provides a barrel internal surface degassing and degreasing device, structural design is reasonable, convenient operation, degree of automation is high, the time is short, the clean up. The gas inlet pipe and the air inlet pipeline are respectively connected with two inlets of the Venturi mixer; the gas electromagnetic valve is arranged on the gas inlet pipeline; the combustion-supporting fan is connected with the air inlet pipeline; the gas pipeline is connected with the Venturi mixer, and the outlet of the gas pipeline is connected with the combustor; the ignition needle is arranged on the combustor; the conveying mechanism is arranged on the frame; the cylinder is arranged on the frame; the jacking mechanism support is arranged on the rack in a lifting sliding manner and is connected with the cylinder; the roller is rotatably arranged on the jacking mechanism bracket; the transmission mechanism is connected with the roller; the guide rail is vertically arranged on the frame; the fixed bracket is arranged on the sliding block, and the sliding block is arranged on the guide rail; the screw rod of the ball screw rod pair is rotatably arranged on the rack and is vertically arranged, and the nut of the ball screw rod pair is connected with the fixed support.
Description
Technical Field
The utility model relates to a barrel internal surface degassing and degreasing device for the barrel internal surface degassing and degreasing of LNG low temperature insulation gas cylinder.
Background
LNG cryogenic insulation gas cylinders have been widely used at home and abroad as a pressure vessel for cryogenic liquid storage. The pressure container is structurally divided into an outer shell and an inner cylinder, an interlayer between the outer shell and the inner cylinder is a high-vacuum interlayer, and the outer surface of the inner cylinder of the interlayer is coated with a heat insulating material. In order to obtain high vacuum of the interlayer, the interlayer must be vacuumized, and the degree of vacuum of the interlayer is affected by many factors, such as gas and oil adsorbed on the surface of metal, and gas adsorbed on the surface of heat insulation material, so that degassing and degreasing operations are required. At present, the LNG low-temperature heat-insulation gas cylinder vacuum pumping produced in the market generally adopts two modes of internal heating and internal and external simultaneous heating to carry out degassing and degreasing operation, the two modes all adopt high-temperature hot gas to sweep the metal surface, the problem of the gas discharge amount on the metal surface can be effectively solved, the time is longer, the gas cylinder vacuum degree is reduced, and the heat preservation effect is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a structural design is reasonable, convenient operation, degree of automation is high, the time is short, clean up's barrel internal surface degassing and degreasing device.
The utility model provides a technical scheme that above-mentioned problem adopted is: the utility model provides a barrel internal surface degassing and degreasing device which characterized in that: the device comprises a combustion system, a jacking rotary mechanism, a conveying mechanism, a combustion system lifting mechanism and a rack; the combustion system comprises a combustor, an ignition needle, a gas pipeline, a Venturi mixer, a gas electromagnetic valve, a combustion fan, a gas inlet pipeline and an air inlet pipeline; the outlet of the gas inlet pipeline and the outlet of the air inlet pipeline are respectively connected with two inlets of the Venturi mixer; the gas electromagnetic valve is arranged on the gas inlet pipeline; the combustion-supporting fan is connected with the inlet of the air inlet pipeline; the inlet of the gas pipeline is connected with the outlet of the Venturi mixer, and the outlet of the gas pipeline is connected with the combustor; the ignition needle is arranged on the combustor; the conveying mechanism is arranged on the frame; the jacking rotating mechanism comprises a rotating mechanism, a transmission mechanism and a jacking mechanism; the jacking mechanism comprises a cylinder and a jacking mechanism bracket; the cylinder is arranged on the frame; the jacking mechanism support is arranged on the rack in a lifting sliding manner and is connected with a piston rod of the cylinder; the rotating mechanism comprises a roller and a connecting shaft; the roller is rotatably arranged on the jacking mechanism bracket through a connecting shaft; the transmission mechanism is connected with the roller; the combustion system lifting mechanism is arranged at one end of the conveying mechanism and comprises a sliding block, a guide rail, a fixed support and a ball screw pair; the fixed bracket is provided with the combustion system; the guide rail is vertically arranged on the frame; the fixed bracket is arranged on the sliding block, and the sliding block is arranged on the guide rail; the screw rod of the ball screw rod pair is rotatably arranged on the rack and is vertically arranged, and the nut of the ball screw rod pair is connected with the fixed support.
The combustion system of the utility model also comprises a gas pressure switch, a pressure gauge, a gas pressure reducing valve, an air regulating valve and an air pressure switch; the gas electromagnetic valve, the gas pressure switch, the pressure gauge and the gas pressure reducing valve are sequentially arranged on the gas inlet pipeline; and the air regulating valve and the air pressure switch are both arranged on the air inlet pipeline.
The surface of the roller is made into a corrugated shape.
The rotating mechanism of the utility model also comprises a sprocket which is connected with the roller;
drive mechanism include actuating mechanism and sprocket chain, actuating mechanism passes through the sprocket chain and is connected with the sprocket.
Actuating mechanism adopt motor direct connection speed reducer.
Combustion system hoist mechanism still include the hand wheel, the hand wheel is connected with the vice screw rod of ball screw.
Compared with the prior art, the utility model, have following advantage and effect: structural design is reasonable, convenient operation, degree of automation are high, the time is short, the greasy dirt clean up, can effectively carry out the gas removal degreasing operation to LNG low temperature heat insulation gas cylinder barrel internal surface.
Drawings
Fig. 1 is a schematic structural diagram of the embodiment of the present invention in side view.
Fig. 2 is a schematic structural view of a lifting mechanism of a combustion system according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a portion a of fig. 1.
Fig. 4 is a schematic structural diagram of a combustion system according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Referring to fig. 1-4, the embodiment of the present invention includes a combustion system 1, a jacking and rotating mechanism 2, a conveying mechanism 3, a combustion system lifting mechanism 4, and a frame 5.
The combustion system 1 combusts through the mixed gas of the fuel gas and the air, the flame temperature reaches 800-1000 ℃, and the water and the oil stains adsorbed on the surface of the cylinder can be effectively and fully combusted, so that the degassing and degreasing effects are achieved.
The combustion system 1 includes a burner 111, an ignition needle 112, a gas pipe 113, a venturi mixer 114, a gas solenoid valve 115, a gas pressure switch 116, a pressure gauge 117, a gas pressure reducing valve 118, an air regulating valve 119, an air pressure switch 120, a combustion fan 121, a gas inlet pipe 122, and an air inlet pipe 123.
The outlet of the gas inlet pipe 122 and the outlet of the air inlet pipe 123 are connected to two inlets of the venturi mixer 114, respectively. The gas solenoid valve 115, the gas pressure switch 116, the pressure gauge 117 and the gas pressure reducing valve 118 are sequentially installed on a gas inlet pipe 122. The air adjustment valve 119 and the air pressure switch 120 are both mounted on the air intake duct 123. The combustion fan 121 is connected to an inlet of the air intake duct 123. An inlet of the gas pipe 113 is connected to an outlet of the venturi mixer 114, and an outlet of the gas pipe 113 is connected to the burner 111. The ignition needle 112 is mounted on the burner 111.
The burner 111 is made of a high temperature resistant material such as stainless steel. The combustion systems 1 are arranged in sections according to different lengths of workpieces, and each section of combustion system 1 is connected through a flange to realize the installation and fixation of two adjacent combustion systems 1. Each section of the combustion system is independently controlled.
The conveying mechanism 3 is arranged on the rack 5 and used for carrying and conveying the barrel, and the conveying mechanism 3 can be selected according to different aspects such as the size of a workpiece, the beat requirement, the manufacturing requirement and the like, for example, a roller conveying line mechanism, a chain conveying line mechanism and the like are adopted.
The jacking rotary mechanism 2 is used for enabling the workpiece to rotate in a fixed direction on the fixed table position, and ensuring that the workpiece is uniformly heated. The jacking rotary mechanism 2 comprises a rotary mechanism 21, a transmission mechanism 22 and a jacking mechanism 23.
The jacking mechanism 23 comprises a cylinder 231, a guide rod 233, a linear bearing 234 and a jacking mechanism bracket 232. The cylinder 231 is mounted on the frame 5. The guide rod 233 is installed on the frame 5 in a lifting and sliding manner through a linear bearing 234, the jacking mechanism support 232 is installed on the guide rod 233, so that the jacking mechanism support 232 is installed on the frame 5 in a lifting and sliding manner, and the jacking mechanism support 232 is connected with a piston rod of the cylinder 231. The jacking mechanism 23 jacks up the cylinder through the rotating mechanism 21, and the cylinder is separated from the conveying mechanism 3, so that the online rotating function is realized.
The rotating mechanism 21 includes a roller 211, a sprocket 212, and a connecting shaft 213. The roller 211 is rotatably mounted on the jacking mechanism bracket 232 through a connecting shaft 213. The sprocket 212 is connected to the roller 211. The surface of the roller 211 is corrugated, so that the friction force is increased, and the large workpiece is effectively driven to rotate.
The transmission mechanism 22 includes a drive mechanism 222 and a sprocket chain 221. The driving mechanism 222 is mounted on the jacking mechanism bracket 232 and connected with the sprocket 212 through the sprocket chain 221, so that the transmission mechanism 22 is connected with the roller 211. The driving mechanism drives the sprocket 212 to rotate, so as to drive the roller 211 to rotate, and further drive the barrel to rotate. The driving mechanism 222 adopts a motor direct-connection speed reducer.
The combustion system lifting mechanism 4 is arranged at one end of the conveying mechanism 3 and used for adjusting the height of the combustion system 1 so as to meet the requirements of cylinders with different diameters. The combustion system lifting mechanism 4 includes a slider 41, a guide rail 42, a fixed bracket 43, a ball screw pair 44, and a hand wheel 45. The combustion system 1 is mounted on the fixed bracket 43. The guide rail 42 is vertically installed on the frame 5. The fixed bracket 43 is mounted on the slider 41, and the slider 41 is mounted on the guide rail 42. The screw of the ball screw pair 44 is rotatably mounted on the frame 5 and is vertically disposed, and the nut of the ball screw pair 44 is connected to the fixing bracket 43. The hand wheel 45 is connected with the screw of the ball screw pair 44. The ball screw pair 44 further achieves the nut up-and-down lifting function through the rotation of the hand wheel 45, so that the height of the combustion system 1 is adjusted, the distance between the combustion system 1 and the inner surface of the cylinder workpiece 6 is adjusted, and the function is mainly used for replacing the diameter specification of the cylinder.
A working method of a cylinder inner surface degassing and degreasing device comprises the following steps:
s1, carrying and conveying the cylinder workpiece 6 of the LNG low-temperature heat-insulation gas cylinder which is not welded with the end enclosure to the upper end of the jacking rotating mechanism 2 through the conveying mechanism 3, and meanwhile, the combustion system 1 already extends into the cylinder workpiece 6;
s2, the lifting mechanism 23 lifts the rotating mechanism 21 by the cylinder 231, so as to lift the cylindrical workpiece 6 by the roller 211;
s3, opening the gas electromagnetic valve 115 and simultaneously opening the gas pressure switch 116, so that gas enters from the gas inlet pipeline 122; the pressure of the fuel gas can be adjusted in advance;
s4, starting a combustion fan 121, simultaneously opening an air regulating valve 119 and an air pressure switch 120, and allowing air to enter an air inlet pipeline 123 through the combustion fan 121; the pressure of the air can be adjusted in advance;
s5, mixing the two paths of gas according to a certain proportion by a Venturi mixer 114, and then entering a combustor 111 through a gas pipeline 113;
s6, the ignition needle 112 is switched on, the gas is burnt into flame in the burner 111, and the combustion system 1 successfully strikes sparks;
s7, starting the jacking rotating mechanism 2, driving the sprocket 212 to rotate by the driving mechanism, so as to drive the roller 211 to rotate, and rotating the cylinder workpiece 6 according to the appointed direction;
s8, directly burning the inner surface of the cylinder by the flame of the combustion system 1, and realizing the functions of degassing and degreasing;
and S9, according to the requirement of appointed degassing time, automatically closing the gas electromagnetic valve 115 and the air pressure switch 120 by the system, closing the flame, descending the cylinder of the jacking mechanism 23, and falling the cylinder workpiece 6 onto the conveying mechanism 3 again, and then conveying to the next process.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (7)
1. The utility model provides a barrel internal surface degassing and degreasing device which characterized in that: the device comprises a combustion system, a jacking rotary mechanism, a conveying mechanism, a combustion system lifting mechanism and a rack; the combustion system comprises a combustor, an ignition needle, a gas pipeline, a Venturi mixer, a gas electromagnetic valve, a combustion fan, a gas inlet pipeline and an air inlet pipeline; the outlet of the gas inlet pipeline and the outlet of the air inlet pipeline are respectively connected with two inlets of the Venturi mixer; the gas electromagnetic valve is arranged on the gas inlet pipeline; the combustion-supporting fan is connected with the inlet of the air inlet pipeline; the inlet of the gas pipeline is connected with the outlet of the Venturi mixer, and the outlet of the gas pipeline is connected with the combustor; the ignition needle is arranged on the combustor; the conveying mechanism is arranged on the frame; the jacking rotating mechanism comprises a rotating mechanism, a transmission mechanism and a jacking mechanism; the jacking mechanism comprises a cylinder and a jacking mechanism bracket; the cylinder is arranged on the frame; the jacking mechanism support is arranged on the rack in a lifting sliding manner and is connected with a piston rod of the cylinder; the rotating mechanism comprises a roller and a connecting shaft; the roller is rotatably arranged on the jacking mechanism bracket through a connecting shaft; the transmission mechanism is connected with the roller; the combustion system lifting mechanism is arranged at one end of the conveying mechanism and comprises a sliding block, a guide rail, a fixed support and a ball screw pair; the fixed bracket is provided with the combustion system; the guide rail is vertically arranged on the frame; the fixed bracket is arranged on the sliding block, and the sliding block is arranged on the guide rail; the screw rod of the ball screw rod pair is rotatably arranged on the rack and is vertically arranged, and the nut of the ball screw rod pair is connected with the fixed support.
2. The cylinder inner surface degassing and degreasing device as recited in claim 1, wherein: the combustion system also comprises a gas pressure switch, a pressure gauge, a gas pressure reducing valve, an air regulating valve and an air pressure switch; the gas electromagnetic valve, the gas pressure switch, the pressure gauge and the gas pressure reducing valve are sequentially arranged on the gas inlet pipeline; and the air regulating valve and the air pressure switch are both arranged on the air inlet pipeline.
3. The cylinder inner surface degassing and degreasing device as recited in claim 1, wherein: the surface of the roller is made into a corrugated shape.
4. The cylinder inner surface degassing and degreasing device as recited in claim 1, wherein: the rotating mechanism further comprises a sprocket, and the sprocket is connected with the roller.
5. The cylinder inner surface degassing and degreasing device as recited in claim 4, wherein: the transmission mechanism comprises a driving mechanism and a chain wheel chain, and the driving mechanism is connected with the chain teeth through the chain wheel chain.
6. The cylinder inner surface degassing and degreasing device as recited in claim 5, wherein: the driving mechanism adopts a motor direct-connection speed reducer.
7. The cylinder inner surface degassing and degreasing device as recited in claim 1, wherein: the combustion system lifting mechanism further comprises a hand wheel, and the hand wheel is connected with a screw rod of the ball screw rod pair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020421770.4U CN212370733U (en) | 2020-03-28 | 2020-03-28 | Barrel internal surface degassing and degreasing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020421770.4U CN212370733U (en) | 2020-03-28 | 2020-03-28 | Barrel internal surface degassing and degreasing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212370733U true CN212370733U (en) | 2021-01-19 |
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ID=74159282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020421770.4U Withdrawn - After Issue CN212370733U (en) | 2020-03-28 | 2020-03-28 | Barrel internal surface degassing and degreasing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212370733U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111318519A (en) * | 2020-03-28 | 2020-06-23 | 中国联合工程有限公司 | Degassing and degreasing device and method for inner surface of cylinder |
-
2020
- 2020-03-28 CN CN202020421770.4U patent/CN212370733U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111318519A (en) * | 2020-03-28 | 2020-06-23 | 中国联合工程有限公司 | Degassing and degreasing device and method for inner surface of cylinder |
| CN111318519B (en) * | 2020-03-28 | 2023-10-13 | 中国联合工程有限公司 | Degassing and degreasing device and method for inner surface of cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210119 Effective date of abandoning: 20231013 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20210119 Effective date of abandoning: 20231013 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |