CN112576924A - Processing method of high-strength composite heat-insulation high-pressure winding tank - Google Patents
Processing method of high-strength composite heat-insulation high-pressure winding tank Download PDFInfo
- Publication number
- CN112576924A CN112576924A CN202011270044.8A CN202011270044A CN112576924A CN 112576924 A CN112576924 A CN 112576924A CN 202011270044 A CN202011270044 A CN 202011270044A CN 112576924 A CN112576924 A CN 112576924A
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- China
- Prior art keywords
- inner tank
- tank
- winding
- drying
- pressure
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/12—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge with provision for thermal insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/03—Thermal insulations
- F17C2203/0304—Thermal insulations by solid means
- F17C2203/0345—Fibres
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/03—Thermal insulations
- F17C2203/0391—Thermal insulations by vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0658—Synthetics
- F17C2203/0663—Synthetics in form of fibers or filaments
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/21—Shaping processes
- F17C2209/2154—Winding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/23—Manufacturing of particular parts or at special locations
- F17C2209/232—Manufacturing of particular parts or at special locations of walls
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The technical scheme discloses a processing method of a high-strength composite heat-preservation high-pressure winding tank, which comprises the following steps of (1) manufacturing an inner tank; (2) testing the pressure of the inner tank; (3) preparing an inner tank drying operation space environment; (4) drying the inner tank; (5) detecting the drying index of the inner tank; (6) after the inner tank is dried to meet the winding standard, carrying out fiber winding on the inner tank in a drying environment; (7) detecting a winding index; (8) the outer wall of the inner tank is additionally provided with an inner tank and an outer tank supporting connecting piece which are sleeved with an outer liner; (9) vacuumizing an interlayer of the inner tank and the outer container; (10) detecting the vacuum degree; (11) coating a finished product; because the outer wall of the inner tank is wound with the carbon fibers, a composite structure with optimized materials is formed, the high strength and low quality physical properties of the carbon fibers improve the bearing capacity of the tank body, improve the product quality and reduce the product weight.
Description
The technical field is as follows:
the technical scheme relates to a high-pressure tank and a processing method thereof, in particular to a high-strength composite heat-preservation high-pressure winding tank and a processing method thereof.
Background
The general high-pressure tank is a tank body with the bearing pressure higher than 1 atmosphere, belongs to special equipment, has relatively strict requirements on design and processing and material selection, and particularly has the requirement on the pressure bearing capacity of the tank body for the high-pressure tank needing heat insulation, and the common pressure bearing mode is to optimize materials, optimize the structural mode of the tank body and the like, for example, the wall thickness of steel materials is increased, or a pressure-bearing auxiliary structure is added, so that the material cost is increased, and the weight of the equipment is increased;
on the other hand, the high-pressure tank is required to have a heat preservation effect, a common heat preservation mode of the tank body generally comprises a double-layer tank body design, and the interlayer is vacuumized or the interlayer of the double-layer tank body is filled with materials for heat preservation to achieve the heat preservation of the tank body, (1) the vacuumizing heat preservation mode is adopted, and once the vacuum degree does not reach the standard, the attenuation amplitude of the heat preservation effect is large; (2) the filler heat preservation form has obvious advantages in heat preservation service life, but compared with the vacuum-pumping form, the heat preservation effect of the filler heat preservation form has the advantages that the heat conduction and heat dissipation coefficient is relatively difficult to control, the filler heat preservation form has a great relation with the properties of heat preservation materials, the structure of equipment, the heat preservation installation mode and the like, and compared with the vacuum heat preservation mode, the heat preservation effect is relatively poor.
In conclusion, in the field of manufacturing of common heat-insulation high-pressure tanks, the material and the structure of the tank body are optimized in the aspect of pressure bearing of the tank body, and the optimized heat-insulation effect is relatively improved, so that the material and the structure are substantially required.
Technical content
The technical problem to be solved by the technology of the scheme is to substantially improve the objective conditions of unsatisfactory material, structure and heat insulation effect of the double-layer high-pressure tank, and achieve the aims of structural optimization, material optimization, product performance and quality improvement and good heat insulation effect.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
the utility model provides a high strength compound incubation high pressure winding jar, this high strength compound incubation high pressure winding jar from interior to exterior sequence structure be inner tank, fibrous layer, support connecting piece, vacuum intermediate layer, outer jar, fibrous layer winding cladding in inner tank outer wall, the coaxial setting of inner tank is in outer jar, and the vacuum intermediate layer between inner tank and outer jar sets up the support connecting piece of fixed inner tank and outer jar, constitutes this high strength compound incubation high pressure winding jar.
The processing method of the high-strength composite heat-preservation high-pressure winding tank comprises the following steps:
(1) manufacturing an inner tank;
(2) testing the pressure of the inner tank;
(3) preparing an inner tank drying operation space environment;
(4) drying the inner tank;
(5) detecting the drying index of the inner tank;
(6) after the inner tank is dried to meet the winding standard, carrying out fiber winding on the inner tank in a drying environment;
(7) detecting a winding index;
(8) the outer wall of the inner tank is additionally provided with an inner tank and an outer tank supporting connecting piece which are sleeved with an outer liner;
(9) vacuumizing an interlayer of the inner tank and the outer container;
(10) detecting the vacuum degree;
(11) and coating the finished product.
The inner tank drying operation environment is as follows: the temperature is controlled between 100 ℃ and 150 ℃, and the humidity is controlled below 15%.
The preferable temperature of the inner tank working space environment is 120-140 ℃, and the preferable humidity is controlled below 6%.
The method for drying the inner tank comprises the following steps: and (3) placing a drying heat source at one side or the bottom of the rotary table, starting the heat source, placing the inner tank on the rotary table when the temperature of the operation environment rises to 100-150 ℃, starting the rotary table to rotate, detecting the moisture on the outer surface of the inner tank, and starting the winding machine to wind fibers on the outer surface of the inner tank after the moisture meets the standard.
The fiber is one or the combination of two of carbon fiber and glass fiber.
The heat source is one of an electric oven and an electromagnetic heater.
The winding index detection index is one or more of fiber winding thickness, fiber tensile yield strength and fiber shear strength index.
The pressure bearing test is one of a water pressure test or an air pressure test.
And the drying index of the inner tank is detected as that the humidity is less than 5%.
Due to the adoption of the technical scheme
1. The carbon fiber is wound on the outer wall of the inner tank, so that a composite structure with optimized materials is formed, the high strength and low quality physical properties of the carbon fiber improve the bearing capacity of the tank body, improve the product quality and reduce the product weight;
2. the carbon fiber layer wound on the outer wall of the inner tank forms an effective heat insulation layer of the inner tank, and meanwhile, the carbon fiber layer is arranged in the interlayer of the inner tank and the outer tank, so that the mechanical strength and the heat insulation effect are not reduced due to external force damage caused by external force in the transportation and use processes;
3. the double-layer vacuumizing structure of the inner tank and the outer tank can meet the heat preservation effect;
4. the inner tank is heated before the inner container is wound, so that moisture on the outer surface of the inner tank is removed, the moisture is prevented from being gasified after vacuum pumping, the adverse effect on vacuum is reduced, and the quality and stability of vacuum pumping are ensured.
5. The automatic control system of the auxiliary processing equipment facilities of the turntable, the heat source and the winding machine effectively reduces the labor intensity of operators, improves the operating environment and ensures the processing quality of the tank body.
Detailed Description
The utility model provides a high strength compound incubation high pressure winding jar, this high strength compound incubation high pressure winding jar from interior to exterior sequence structure be inner tank, fibrous layer, support connecting piece, vacuum intermediate layer, outer jar, fibrous layer winding cladding in inner tank outer wall, the coaxial setting of inner tank is in outer jar, and the vacuum intermediate layer between inner tank and outer jar sets up the support connecting piece of fixed inner tank and outer jar, constitutes this high strength compound incubation high pressure winding jar.
The processing method of the high-strength composite heat-preservation high-pressure winding tank comprises the following steps:
(1) manufacturing an inner tank;
(2) testing the pressure of the inner tank;
(3) preparing an inner tank drying operation space environment;
(4) drying the inner tank;
(5) detecting the drying index of the inner tank;
(6) after the inner tank is dried to meet the winding standard, carrying out fiber winding on the inner tank in a drying environment;
(7) detecting a winding index;
(8) the outer wall of the inner tank is additionally provided with an inner tank and an outer tank supporting connecting piece which are sleeved with an outer liner;
(9) vacuumizing an interlayer of the inner tank and the outer container;
(10) detecting the vacuum degree;
(11) and coating the finished product.
The inner tank drying operation environment is as follows: the temperature is controlled between 100 ℃ and 150 ℃, and the humidity is controlled below 15%.
The preferable temperature of the inner tank working space environment is 120-140 ℃, and the preferable humidity is controlled below 6%.
The method for drying the inner tank comprises the following steps: and (3) placing a drying heat source at one side or the bottom of the rotary table, starting the heat source, placing the inner tank on the rotary table when the temperature of the operation environment rises to 100-150 ℃, starting the rotary table to rotate, detecting the moisture on the outer surface of the inner tank, and starting the winding machine to wind fibers on the outer surface of the inner tank after the moisture meets the standard.
The fiber is one or the combination of two of carbon fiber and glass fiber.
The heat source is one of an electric oven and an electromagnetic heater.
The winding index detection index is one or more of fiber winding thickness, fiber tensile yield strength and fiber shear strength index.
The pressure bearing test is one of a water pressure test or an air pressure test.
And the drying index of the inner tank is detected as that the humidity is less than 5%.
The technology of the scheme has the following technical advantages:
1. the carbon fiber is wound on the outer wall of the inner tank, so that a composite structure with optimized materials is formed, the high strength and low quality physical properties of the carbon fiber improve the bearing capacity of the tank body, improve the product quality and reduce the product weight;
2. the carbon fiber layer wound on the outer wall of the inner tank forms an effective heat insulation layer of the inner tank, and meanwhile, the carbon fiber layer is arranged in the interlayer of the inner tank and the outer tank, so that the mechanical strength and the heat insulation effect are not reduced due to external force damage caused by external force in the transportation and use processes;
3. the double-layer vacuumizing structure of the inner tank and the outer tank can meet the heat preservation effect;
4. the inner tank is heated before the inner container is wound, so that moisture on the outer surface of the inner tank is removed, the moisture is prevented from being gasified after vacuum pumping, the adverse effect on vacuum is reduced, and the quality and stability of vacuum pumping are ensured.
5. The automatic control system of the auxiliary processing equipment facilities of the turntable, the heat source and the winding machine effectively reduces the labor intensity of operators, improves the operating environment and ensures the processing quality of the tank body.
The detailed description of the present technology is intended to provide a form of solution, and any insubstantial extensions or modifications made by those skilled in the art based on the disclosure of the present technology are intended to be covered by the claims of the present technology.
Claims (9)
1. The utility model provides a high strength composite insulation high pressure winding jar which characterized in that: the processing method of the high-strength composite heat-preservation high-pressure winding tank comprises the following steps:
(1) manufacturing an inner tank;
(2) testing the pressure of the inner tank;
(3) preparing an inner tank drying operation space environment;
(4) drying the inner tank;
(5) detecting the drying index of the inner tank;
(6) after the inner tank is dried to meet the winding standard, carrying out fiber winding on the inner tank in a drying environment;
(7) detecting a winding index;
(8) the outer wall of the inner tank is additionally provided with an inner tank and an outer tank supporting connecting piece which are sleeved with an outer liner;
(9) vacuumizing an interlayer of the inner tank and the outer container;
(10) detecting the vacuum degree;
(11) and coating the finished product.
2. The method for processing the high-strength composite heat-preservation high-pressure winding tank as claimed in claim 1, wherein the method comprises the following steps: the inner tank drying operation environment is as follows: the temperature is controlled between 100 ℃ and 150 ℃, and the humidity is controlled below 15%.
3. The method for processing the high-strength composite heat-preservation high-pressure winding tank as claimed in claim 1, wherein the method comprises the following steps: the preferable temperature of the inner tank working space environment is 120-140 ℃, and the preferable humidity is controlled below 6%.
4. The method for processing the high-strength composite heat-preservation high-pressure winding tank as claimed in claim 1, wherein the method comprises the following steps: the method for drying the inner tank comprises the following steps: and (3) placing a drying heat source at one side or the bottom of the rotary table, starting the heat source, placing the inner tank on the rotary table when the temperature of the operation environment rises to 100-150 ℃, starting the rotary table to rotate, detecting the moisture on the outer surface of the inner tank, and starting the winding machine to wind fibers on the outer surface of the inner tank after the moisture meets the standard.
5. The method for processing the high-strength composite heat-preservation high-pressure winding tank as claimed in claim 4, wherein the method comprises the following steps: the fiber is one or the combination of two of carbon fiber and glass fiber.
6. The method for processing the high-strength composite heat-preservation high-pressure winding tank as claimed in claim 4, wherein the method comprises the following steps: the heat source is one of an electric oven and an electromagnetic heater.
7. The method for processing the high-strength composite heat-preservation high-pressure winding tank as claimed in claim 1, wherein the method comprises the following steps: the winding index detection index is one or more of fiber winding thickness, fiber tensile yield strength and fiber shear strength index.
8. The method for processing the high-strength composite heat-preservation high-pressure winding tank as claimed in claim 1, wherein the method comprises the following steps: the pressure bearing test is one of a water pressure test or an air pressure test.
9. The method for processing the high-strength composite heat-preservation high-pressure winding tank as claimed in claim 1, wherein the method comprises the following steps: and the drying index of the inner tank is detected as that the humidity is less than 5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011270044.8A CN112576924B (en) | 2020-11-13 | 2020-11-13 | Processing method of high-strength composite heat-insulation high-pressure winding tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011270044.8A CN112576924B (en) | 2020-11-13 | 2020-11-13 | Processing method of high-strength composite heat-insulation high-pressure winding tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112576924A true CN112576924A (en) | 2021-03-30 |
| CN112576924B CN112576924B (en) | 2022-12-30 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1762773A1 (en) * | 2005-09-09 | 2007-03-14 | H.P.O. Helderse Project Ontwikkeling B.V. | Method for producing a pressure vessel and such vessel |
| CN103112181A (en) * | 2013-02-28 | 2013-05-22 | 浙江凯博压力容器有限公司 | Glass fiber all-winding aluminum liner composite cylinder and manufacturing process thereof |
| CN105333301A (en) * | 2014-08-14 | 2016-02-17 | 丹阳市利旺车辆部件有限公司 | Processing technology for inner container of vehicle-mounted LNG cylinder |
| CN105546326A (en) * | 2016-01-30 | 2016-05-04 | 汇达重工股份有限公司 | Vacuum insulation container interlayer electric heating device and rapid vacuumizing and drying method thereof |
| CN107228274A (en) * | 2017-06-02 | 2017-10-03 | 浙江大学 | Fixed vacuum multilayer insulation high pressure liquid hydrogen storage tank |
-
2020
- 2020-11-13 CN CN202011270044.8A patent/CN112576924B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1762773A1 (en) * | 2005-09-09 | 2007-03-14 | H.P.O. Helderse Project Ontwikkeling B.V. | Method for producing a pressure vessel and such vessel |
| CN103112181A (en) * | 2013-02-28 | 2013-05-22 | 浙江凯博压力容器有限公司 | Glass fiber all-winding aluminum liner composite cylinder and manufacturing process thereof |
| CN105333301A (en) * | 2014-08-14 | 2016-02-17 | 丹阳市利旺车辆部件有限公司 | Processing technology for inner container of vehicle-mounted LNG cylinder |
| CN105546326A (en) * | 2016-01-30 | 2016-05-04 | 汇达重工股份有限公司 | Vacuum insulation container interlayer electric heating device and rapid vacuumizing and drying method thereof |
| CN107228274A (en) * | 2017-06-02 | 2017-10-03 | 浙江大学 | Fixed vacuum multilayer insulation high pressure liquid hydrogen storage tank |
Non-Patent Citations (1)
| Title |
|---|
| 张七斤: "高真空多层绝热槽车制造工艺要点分析", 《深冷技术》 * |
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| CN112576924B (en) | 2022-12-30 |
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