CN1936411A - Method for applying a corrosion protection on a pressurized container and a pressurized container for fire-extinguishing agent - Google Patents
Method for applying a corrosion protection on a pressurized container and a pressurized container for fire-extinguishing agent Download PDFInfo
- Publication number
- CN1936411A CN1936411A CNA2006101058293A CN200610105829A CN1936411A CN 1936411 A CN1936411 A CN 1936411A CN A2006101058293 A CNA2006101058293 A CN A2006101058293A CN 200610105829 A CN200610105829 A CN 200610105829A CN 1936411 A CN1936411 A CN 1936411A
- Authority
- CN
- China
- Prior art keywords
- pressurized container
- described method
- coated
- coating
- extinguishing agent
- Prior art date
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/002—Processes for applying liquids or other fluent materials the substrate being rotated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0218—Pretreatment, e.g. heating the substrate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
- B05D7/227—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes of containers, cans or the like
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/76—Details or accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2401/00—Form of the coating product, e.g. solution, water dispersion, powders or the like
- B05D2401/30—Form of the coating product, e.g. solution, water dispersion, powders or the like the coating being applied in other forms than involving eliminable solvent, diluent or dispersant
- B05D2401/32—Form of the coating product, e.g. solution, water dispersion, powders or the like the coating being applied in other forms than involving eliminable solvent, diluent or dispersant applied as powders
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention relates to a method for applying a corrosion protection on a pressurized container and a pressurized container for fire-extinguishing agent. The method involves heating of pressurized container preferably in heating oven on a specific temperature. A duroplastic synthetic material is applied on the inner wall of the preheated pressurized container, which rotates about its longitudinal axis. After partial cooling, if necessary, a duroplastischer plastic on the exterior surface of the pressurized container at lower temperature is applied, after which the pressurized container is mounted, installed and tested. An independent claim is also included for the pressure vessel. The pressurized container is preferably a fire-extinguisher, having advantage of a longer life span due to the higher tenacity of their interior and external coating.
Description
Technical field
The present invention relates to a kind of described in the method that is used on the pressurized container of extinguishing agent applying corrosion protection by claim 1, and a kind of pressurized container that is used for extinguishing agent that applies by this method.
Background technique
The present invention can be used in the place that produces the pressurized container that is used for extinguishing agent everywhere, promptly so-called fire extinguisher, and it has a undercoating and an external coating, and described coating must have a long serviceability.
Inside and outside coating the to pressurized container is necessary, thereby makes pressurized container such as fire extinguisher have a long serviceability.Conventional fire extinguisher has a coating in inside, it should prevent extinguishing agent corrosion container wall.The external coating of fire extinguisher is defined as red color usually in Germany, and the outer wall that it should prevent fire extinguisher is corroded or by the too early damage of mechanical pressure.Because fire extinguisher not only takes available many years or many decades, but also must realize its function, so these coatings have been proposed quite special requirement.The coating surface characteristic of fire extinguisher inside must be as far as possible to fire-extinguisher fluid have for many years resistivity, described fire-extinguisher fluid may be chemical corrosion arranged and be under the pressure.When this external container wall machinery changed, it may produce by the collision fire extinguisher, and coating can not peeled off.Must guarantee that in addition coating is coated on the total inner surface of fire extinguisher equably, thereby can therefore weak spot not occur, the position that coating is too thin on the fire extinguisher is etched at many Nian Houhui.The external coating of fire extinguisher must be resisted to be present in rodent medium in the fire extinguisher surrounding atmosphere, wherein also should not have the possibility that makes disbonding owing to mechanical pressure, and must guarantee that it is within the limits prescribed to the resistivity of temperature.
Conventional fire extinguisher applies in inside, and coating is coated on the internal surface of fire extinguisher by a jet pipe.This coating is a kind of thermoplastic material, and it is ejected on the internal surface of pressurized container.This container can be cold in this operating process.The charging of pressurized container helps inerrably applying.The outer surface of container is also used red thermoplastic coated materials, makes its drying then.
By known a kind of method that is used for making corrosion-resistant and chemical-resistant barrier coating on pipeline and hollow body internal surface among the DD 160 392, wherein this coating is an electrostatic coating.This prior art has reflected that present coating is used for the prior art of the pressurized container of fire extinguisher, and wherein workpiece uses the high-tension electrode of input to apply under the temperature that is higher than the coated powder fusing point.
Apply when inhomogeneous when being subjected to mechanical load or coating, the pressurized container coating that applies by this method is through especially can occurring damaging in each position on coating after the use of certain hour.Container just must be replaced so.
Summary of the invention
Therefore the objective of the invention is, provide a kind of in the method that is used for applying on the pressurized container of extinguishing agent corrosion protection, this method can simply be implemented and the life-span of this pressurized container has improved with respect to traditional pressurized container that is used for extinguishing agent.
This purpose is achieved by the described method of a kind of feature by claim 1 with by the described pressurized container of the feature of claim 11.Dependent claims has provided favorable structure of the present invention.
Solution of the present invention has been stipulated a kind of method that applies corrosion protection on the wall of the pressurized container that is used for extinguishing agent, in the method, be applied on the good pressurized container inwall of preheating by a kind of thermosetting plastics of the present invention, after pressurized container partly cooled off, a kind of thermosetting plastics had been applied on the outer surface of pressurized container under the lower temperature.The pressurized container that is used for extinguishing agent should be understood to the housing of fire extinguisher.
In first operation, pressurized container preferably is heated to a temperature of stipulating in advance in an oven.The temperature that the coating that this temperature is predesignated corresponding to coating is required.This temperature is 250 ℃ to 300 ℃, is preferably 250 ℃ for heat cured material.This thermosetting plastics is coated in equably on the good pressurized container inwall of preheating then.This can be advantageously realizes by a jet pipe, and heat cured material enters into jet pipe inside by means of jet pipe with the form of granulation liquid from a tank, and is injected on the good pressurized container inwall of preheating according to known systems.This moment, advantageously pressurized container was around its longitudinal axis rotation.Rotational speed is between per minute 0.2 circle encloses to 1.5.In addition preferably, undercoating is coated to the coating thickness that has between 500 to 1000 μ m.Control the flow of jet pipe according to the shape of inwall.Necessity is thus, and barrel surface vertical on the inwall is stipulated an identical coating flow, and the bottom of top arch and pressurized container is then sprayed with another flow.Be favourable this moment when undercoating evenly constitutes on total inner surface.Be used for controlling the program that is used for internally coated jet pipe and use always, need not repeat at this for the technician.
After undercoating is coated on the wall of the good pressurized container of preheating equably, next be cooling to pressurized container.Corresponding to the hardening characteristics of thermosetting plastics, the rate of cooling of prior authorized pressure container.Correspondingly, this pressurized container cools off during can depositing (Zwischenlage) in the centre, and its time can accurately be set.This time can for example be 1 to 2 hours.If the hardening characteristics of coated substance needs, can certainly regulate described part cooling by means of the circuit air.Described air can cool off pressurized container outside, or also can meet the inside that the destination imports pressurized container where necessary.
Be cooled to the temperature of regulation in advance at pressurized container and thermosetting plastics after, apply a thermosetting plastics in the outside of pressurized container.Temperature when for the present invention importantly, the temperature of pressurized container is lower than the coating undercoating when applying external coating.The temperature of pressurized container should be lower than 250 ℃, preferably 160 to 250 ℃ when applying external coating.
By on a rotating pressure vessel, spraying, and spray by rounded each nozzle around the pressurized container setting, thermosetting plastics can be applied on the outer surface of pressurized container, and wherein pressurized container is done relative movement with respect to nozzle or nozzle with respect to pressurized container.Coated external coating should have a uniform thickness between 500 μ m and 1500 μ m.Pressurized container can continue cooling behind the application of plastics coatings, cool off up to thermoset coating.Also can by air-flow cooling be accelerated according to the hardening characteristics of plastics.
In addition preferably, the external coating to the pressurized container of external coating with coating once toasts.
After coating procedure finished, manufacture process just can be finished the inspection of inspection, general assembly, can and finished container.
The method of this suggestion and the pressurized container of according to said method making that is used for extinguishing agent have the more advantage of long life with respect to traditional pressurized container.The replacing frequency of the fire extinguisher that this mode applies is lower, because it has a longer working life, this is especially owing to the high tenacity of its undercoating and external coating.
Description of drawings
In a circuti diagram and an accompanying drawing, the present invention is described below.Numeral among Fig. 1 is as follows:
1. be placed into container on the operation or on the production line
2. heating container in oven
3. heat cured coated powder is coated in internal tank
4. by the cooling procedure and the internally coated sclerosis of air-flow
5. deposit the centre
6. coating external coating
7. the baking of external coating
8. the inspection of general assembly, can and finished container
Embodiment
As shown in Figure 1, pressurized container is placed on the operation and production line on, it can be a conveyor belt.Next be in an oven, pressurized container to be heated.Brown thermoset coating powder applies, just is injected in pressurized container inside by means of jet pipe, thus total inner surface be uniformly and thickness identical.As long as reached the thickness of for example 1mm that predesignates, just in an air-flow, pressurized container is cooled off, this has caused internally coated sclerosis.The external coating of a redness sprays by this way when temperature for example reaches 200 ℃, and promptly the cladding material of thermosetting property applies by means of the nozzle around pressurized container, reaches 1.2mm until the thickness of external coating.
After this be in a baking oven external coating to be toasted, its temperature is 300 ℃.Then this pressure housing is placed ambient air, make its cooling through 12 hours placements.Next be control, general assembly, can extinguishing agent and finished container checked.This fire extinguisher just can be supplied to client then.
Shown in schematic representation, also can get around operation 5 and 7.This provides another selection for certain thermosets.
Claims (12)
1. one kind in the method that is used on the pressurized container of extinguishing agent applying corrosion protection, wherein pressurized container preferably is heated to a temperature of predesignating in oven, a kind of thermosetting plastics is coated in equably on the pressurized container inwall of preheating, after part cooling and middle in case of necessity depositing, a kind of thermosetting plastics is being coated under the lower temperature on the outer surface of pressurized container, after this to pressurized container assemble, can and inspection.
2. by the described method of claim 1, it is characterized in that internally coated application temperature is 250 ℃ to 300 ℃.
3. by the described method of claim 2, it is characterized in that, undercoating is coated to thickness always with 500 μ m to 1000 μ m.
4. by the described method of claim 1 to 3, it is characterized in that, when applying undercoating, pressurized container is rotated around its longitudinal axis.
5. by the described method of claim 1 to 4, it is characterized in that, according to the rate of cooling of the hardening characteristics pressure of pressure vessel of coated substance (powder).
6. by the described method of claim 5, it is characterized in that, regulate rate of cooling by circulating air.
7. by the described method of claim 1 to 6, it is characterized in that the application temperature of external coating is 165 ℃ to 250 ℃.
8. by the described method of claim 1 to 7, it is characterized in that, external coating is carried out subsequent treatment by baking.
9. by the arbitrary described method of claim 1 to 8, it is characterized in that, apply undercoating by jet pipe.
10. by the described method of claim 9, it is characterized in that, control the flow of jet pipe according to the shape of inwall.
11. be used for the pressurized container of extinguishing agent, it applies by the described method of claim 1 to 10, it is characterized in that a kind of heat cured coating.
12., it is characterized in that internally coated color is blue by the described pressurized container of claim 11, the color of external coating is red.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005033008A DE102005033008A1 (en) | 2005-07-12 | 2005-07-12 | Method for applying a corrosion protection and pressure vessel for fire extinguishing agent |
| DE102005033008.8 | 2005-07-12 | ||
| EG2006090508A EG24307A (en) | 2005-07-12 | 2006-09-19 | Process for appling a corrosion on a pressure vessel and pressure vessel for fire extinguishing medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1936411A true CN1936411A (en) | 2007-03-28 |
Family
ID=43828261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101058293A Pending CN1936411A (en) | 2005-07-12 | 2006-07-12 | Method for applying a corrosion protection on a pressurized container and a pressurized container for fire-extinguishing agent |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP1743709B1 (en) |
| CN (1) | CN1936411A (en) |
| AT (1) | ATE476264T1 (en) |
| DE (2) | DE102005033008A1 (en) |
| DK (1) | DK1743709T3 (en) |
| EG (1) | EG24307A (en) |
| ES (1) | ES2350233T3 (en) |
| PL (1) | PL1743709T3 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111660068A (en) * | 2020-06-09 | 2020-09-15 | 绍兴市盛远消防设备有限公司 | Method for manufacturing steel fire extinguisher bottle body |
| CN111660069A (en) * | 2020-06-09 | 2020-09-15 | 绍兴市盛远消防设备有限公司 | Method for manufacturing aluminum fire extinguisher bottle body |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD160392A3 (en) | 1981-06-17 | 1983-07-27 | Dieter Auerbach | METHOD FOR ELECTROSTATIC INTERIOR COATING OF PIPES AND HOLLOW BODIES |
| DE3677811D1 (en) * | 1985-04-19 | 1991-04-11 | Nippon Steel Corp | RIFLE AND METHOD FOR PRODUCING RIFLES. |
| GB0019311D0 (en) * | 2000-08-08 | 2000-09-27 | Jactone Products Ltd | Method of coating of safety equipment |
-
2005
- 2005-07-12 DE DE102005033008A patent/DE102005033008A1/en not_active Ceased
-
2006
- 2006-07-03 DK DK06013711.4T patent/DK1743709T3/en active
- 2006-07-03 AT AT06013711T patent/ATE476264T1/en active
- 2006-07-03 EP EP06013711A patent/EP1743709B1/en active Active
- 2006-07-03 PL PL06013711T patent/PL1743709T3/en unknown
- 2006-07-03 DE DE502006007570T patent/DE502006007570D1/en active Active
- 2006-07-03 ES ES06013711T patent/ES2350233T3/en active Active
- 2006-07-12 CN CNA2006101058293A patent/CN1936411A/en active Pending
- 2006-09-19 EG EG2006090508A patent/EG24307A/en active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111660068A (en) * | 2020-06-09 | 2020-09-15 | 绍兴市盛远消防设备有限公司 | Method for manufacturing steel fire extinguisher bottle body |
| CN111660069A (en) * | 2020-06-09 | 2020-09-15 | 绍兴市盛远消防设备有限公司 | Method for manufacturing aluminum fire extinguisher bottle body |
| CN111660068B (en) * | 2020-06-09 | 2021-10-26 | 绍兴市盛远消防设备有限公司 | Method for manufacturing steel fire extinguisher bottle body |
| CN111660069B (en) * | 2020-06-09 | 2021-11-30 | 绍兴市盛远消防设备有限公司 | Method for manufacturing aluminum fire extinguisher bottle body |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102005033008A1 (en) | 2007-01-18 |
| EP1743709B1 (en) | 2010-08-04 |
| DK1743709T3 (en) | 2010-11-22 |
| EG24307A (en) | 2009-01-14 |
| DE502006007570D1 (en) | 2010-09-16 |
| PL1743709T3 (en) | 2011-01-31 |
| ATE476264T1 (en) | 2010-08-15 |
| EP1743709A1 (en) | 2007-01-17 |
| ES2350233T3 (en) | 2011-01-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20070328 |