CN105928256A - Concentric-circle sleeve type perpendicular falling film absorber for refrigeration - Google Patents
Concentric-circle sleeve type perpendicular falling film absorber for refrigeration Download PDFInfo
- Publication number
- CN105928256A CN105928256A CN201610313634.1A CN201610313634A CN105928256A CN 105928256 A CN105928256 A CN 105928256A CN 201610313634 A CN201610313634 A CN 201610313634A CN 105928256 A CN105928256 A CN 105928256A
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- CN
- China
- Prior art keywords
- falling film
- accounts
- refrigeration
- anticorrosive coat
- epoxy resin
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B37/00—Absorbers; Adsorbers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a concentric-circle sleeve type perpendicular falling film absorber for refrigeration. The concentric-circle sleeve type perpendicular falling film absorber comprises an epoxy resin composite material on the outermost layer, a modified toughening heat-resistant resin on the middle layer and crystalline flake graphite on the innermost layer in a combined manner; the epoxy resin composite material is carbon fiber reinforced epoxy resin and accounts for 41-45% of the total weight of an anticorrosive coating; the modified toughening heat-resistant resin accounts for 35-36% of the total weight of the anticorrosive coating; the crystalline flake graphite accounts for 18-26% of the total weight of the anticorrosive coating. The concentric-circle sleeve type perpendicular falling film absorber for refrigeration, provided by the invention, has the advantages of greatly increasing the falling film area and greatly improving the absorption efficiency.
Description
Technical field
The present invention relates to a kind of refrigeration concentric circle sleeve-type vertical falling film absorber.
Background technology
In developed countries such as America and Japan, vacuum switch is supporting with rc absorber, is relatively common occupation mode.Owing to China pressing some particularitys of (3～66Kv) electrical network, the domestic rc absorber that the resistance-capacitance absorption device of past import and employing foreign standard produce, all cannot adapt to the practical situation of China, agnogenic damage accident often occurs.Which results in this product development speed at home and lag far behind vacuum switch.
Capacitor used by past resistance-capacitance overvoltage absorber is not " protective condenser "; actual is exactly to reequip on overvoltage protection device; have uses as high-voltage capacitor after multiple the most up to a hundred secondary capacitors series connection; some ZnO resistors valve block and capacitor are in parallel, and some series gaps, are really multifarious; numerous; but no matter using what way, the power frequency withstanding voltage between its capacitor pole only has 2.15 times of rated voltage, and pressure-resistant time only has 10S.This does not reaches far away the requirement of GB GB311.1-1997.The capacitor of such as 10KV, its interpolar power frequency withstanding voltage only has 21.5KV/10S, and the 42KV/1min of GB311.1-1997 standard-required is too wide in the gap.And resistance-capacitance overvoltage absorber is installed in high-tension switch cabinet, in its dielectric level and switch cubicle, the dielectric level of all electrical equipments does not matches, therefore these products are write in operation instructions: " because test standard is different, when making pressure test, rc absorber individually to be carried out.Must not test together with switch cubicle and miscellaneous equipment." run counter to the principle of " Insulation Coordination of GB311.1-1997 high-tension power transmission and transformation equipment ".The most also with its protected equipment (dielectric level 35KV/1min of transformator and reactor; the most only as a example by 10kv product; the product of other electric pressures is same) do not match; that is; this kind of rc absorber can not protect other equipment at all; (aforesaid series gap and the way such as valve block, valve block in parallel; it is intended merely to protect oneself) because the withstanding voltage of its own is minimum; therefore; when there being switching overvoltage; certainly damage is these rc absorbers, so being the device of protection electrical equipment.
Summary of the invention
The present invention provides one to have falling liquid film area significantly to increase, drastically increase the refrigeration concentric circle sleeve-type vertical falling film absorber of absorption efficiency advantage.
The technical scheme is that a kind of refrigeration concentric circle sleeve-type vertical falling film absorber, described refrigeration concentric circle sleeve-type vertical falling film absorber includes anticorrosive coat and absorber body, described anticorrosive coat includes outermost epoxy resin composite material, the modified toughened heat stable resin in intermediate layer and the crystalline flake graphite of innermost layer combine, described epoxy resin composite material is carbon-fibre reinforced epoxy resin, described epoxy resin composite material accounts for the 41%-45% of the overall component of anticorrosive coat, described modified toughened heat stable resin accounts for the 35%-36% of the overall component of anticorrosive coat, described crystalline flake graphite accounts for the 18%-26% of the overall component of anticorrosive coat.
In a preferred embodiment of the present invention, described modified toughened heat stable resin is Corvic.
In a preferred embodiment of the present invention, described epoxy resin composite material accounts for the 42% of the overall component of anticorrosive coat, and described modified toughened heat stable resin accounts for the 36% of the overall component of anticorrosive coat, and described crystalline flake graphite accounts for the 21% of the overall component of anticorrosive coat.
A kind of refrigeration concentric circle sleeve-type vertical falling film absorber of the present invention, has falling liquid film area and significantly increases, the advantage drastically increasing absorption efficiency.
Detailed description of the invention
Below presently preferred embodiments of the present invention is described in detail, so that advantages and features of the invention can be easier to be readily appreciated by one skilled in the art, thus protection scope of the present invention is made apparent clear and definite defining.
Wherein, described refrigeration concentric circle sleeve-type vertical falling film absorber includes anticorrosive coat and absorber body, described anticorrosive coat includes that the crystalline flake graphite of outermost epoxy resin composite material, the modified toughened heat stable resin in intermediate layer and innermost layer combines, described epoxy resin composite material is carbon-fibre reinforced epoxy resin, described epoxy resin composite material accounts for the 41%-45% of the overall component of anticorrosive coat, described modified toughened heat stable resin accounts for the 35%-36% of the overall component of anticorrosive coat, and described crystalline flake graphite accounts for the 18%-26% of the overall component of anticorrosive coat.
Further illustrate, described modified toughened heat stable resin is Corvic, described epoxy resin composite material accounts for the 42% of the overall component of anticorrosive coat, and described modified toughened heat stable resin accounts for the 36% of the overall component of anticorrosive coat, and described crystalline flake graphite accounts for the 21% of the overall component of anticorrosive coat.
Further illustrating, crystalline flake graphite is the natural solid lubricant of a kind of layer structure, aboundresources and low price.Crystalline flake graphite perfect crystalline, sheet is thin and good toughness, and physical and chemical performance is excellent, has good conductivity electric conductivity anti-thermal shock, property corrosion resistance etc..Crystalline flake graphite is divided into high-carbon graphite (phosphorus content is more than 99.9%), medium-carbon graphite (phosphorus content 80%-93%) and low-carbon-content graphite (phosphorus content 50%-75%) by the height of phosphorus content.Crystalline flake graphite is widely used in the lubrication and seal material etc. of the refractory material of metallurgical industry, the pencil-lead of light industry, the electrode of battery process, chemical industry.Functional stuffing as coating is mainly used in anticorrosive paint, fireproof coating and electrically-conducting paint.As anti-corrosion material, the anti-corrosive primer that it and white carbon black, Pulvis Talci and oil plant etc. are made, there is good chemicals-resistant and solvent corrosion performance；If adding the chemical pigments such as zinc yellow in formula, its rust-proof effect is more preferable.As fire-proof packing is expansible graphite, and it is with natural graphite scale as raw material, a kind of compound between graphite layers obtained through chemistry or electrochemical treatments.Expansible graphite is under heating condition, and volume drastically expands (reaching as high as 300 times), and suffocated flame, generates dilatant simultaneously, reaches to completely cut off flame, postpones or interrupt the effect of propagation of flame, and itself does not fires, and flexibility is good, and surface can be high, and charring layer intensity is good.But the volume of expander and consumption to select suitably.Test shows, the granule of 150um, the expansion multiple of 30%, 5% consumption the most suitable.Crystalline flake graphite can also can be made into complex conductive fillers for electrically-conducting paint directly as carbons conductive filler.But owing to the addition of graphite flakes is relatively big, the performance of coating can be made to become fragile and make it apply by a definite limitation.Therefore, take measures to improve further the electric conductivity of graphite, effectively reduce the addition of graphite flakes.Domestic Tian Hua chemical machinery research institute develops with high temperature corrosion-resisting resin as base material, is main aggregate with the big lamellar entity graphite flakes that static conductive ability is stronger, good with bulk strength high-wearing feature.The chopped strand material that anti-deformation cracking behavior is good is the solvent-free thick-film type electrically-conducting paint of functional filler.This coating has medium corrosion-resistant infiltration, Googol motion controller matrix little, anti-deformation cracking behavior is good, workability is stable, the feature of long-acting static conductive.Can be used for crude oil storage tank inwall static conductive application.According to document announcement, using electroless plating technology to graphite composite powder plating metal, prepare complex conductive fillers such as copper, nickel, silver etc., the amount with 30% is in electrically-conducting paint, and not only its electric conductivity is fine, and anti-corrosive properties improve further.The present invention provides a kind of refrigeration concentric circle sleeve-type vertical falling film absorber, has falling liquid film area and significantly increases, the advantage drastically increasing absorption efficiency.
The detailed description of the invention of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art in the technical scope that disclosed herein, the change can expected without creative work or replacement, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims are limited.
Claims (3)
1. a refrigeration concentric circle sleeve-type vertical falling film absorber, it is characterized in that: described refrigeration concentric circle sleeve-type vertical falling film absorber includes anticorrosive coat and absorber body, described anticorrosive coat includes outermost epoxy resin composite material, the modified toughened heat stable resin in intermediate layer and the crystalline flake graphite of innermost layer combine, described epoxy resin composite material is carbon-fibre reinforced epoxy resin, described epoxy resin composite material accounts for the 41%-45% of the overall component of anticorrosive coat, described modified toughened heat stable resin accounts for the 35%-36% of the overall component of anticorrosive coat, described crystalline flake graphite accounts for the 18%-26% of the overall component of anticorrosive coat.
Refrigeration concentric circle sleeve-type vertical falling film absorber the most according to claim 1, it is characterised in that: described modified toughened heat stable resin is Corvic.
Refrigeration concentric circle sleeve-type vertical falling film absorber the most according to claim 1, it is characterized in that: described epoxy resin composite material accounts for the 42% of the overall component of anticorrosive coat, described modified toughened heat stable resin accounts for the 36% of the overall component of anticorrosive coat, and described crystalline flake graphite accounts for the 21% of the overall component of anticorrosive coat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610313634.1A CN105928256A (en) | 2016-05-12 | 2016-05-12 | Concentric-circle sleeve type perpendicular falling film absorber for refrigeration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610313634.1A CN105928256A (en) | 2016-05-12 | 2016-05-12 | Concentric-circle sleeve type perpendicular falling film absorber for refrigeration |
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| CN105928256A true CN105928256A (en) | 2016-09-07 |
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| CN201610313634.1A Pending CN105928256A (en) | 2016-05-12 | 2016-05-12 | Concentric-circle sleeve type perpendicular falling film absorber for refrigeration |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003222437A (en) * | 2002-01-31 | 2003-08-08 | Ebara Corp | Absorption refrigerating machine |
| CN102095282A (en) * | 2011-01-28 | 2011-06-15 | 上海理工大学 | Refrigeration concentric circle sleeve-type vertical falling film absorber |
| CN102964967A (en) * | 2012-12-24 | 2013-03-13 | 青岛宣威涂层材料有限公司 | Anticorrosive coating |
| CN103759282A (en) * | 2014-01-26 | 2014-04-30 | 三峡大学 | Anticorrosion method for interior of metal flue |
| CN103965746A (en) * | 2014-05-08 | 2014-08-06 | 江苏山力漆业有限公司 | High-temperature acid-resistant interface agent for inner wall of chimney |
| CN104449197A (en) * | 2013-09-23 | 2015-03-25 | 青岛兴国涂料有限公司 | Anticorrosive paint |
| KR20150125416A (en) * | 2014-04-30 | 2015-11-09 | 전북대학교산학협력단 | Heating tube coated with carbon nano material used for Absorption Refrigerator and evaporator comprising the same |
| CN105032127A (en) * | 2015-07-01 | 2015-11-11 | 太仓市顺邦防腐设备有限公司 | Graphitic modified polypropylene falling film absorber |
| CN105400373A (en) * | 2015-12-16 | 2016-03-16 | 常州大学 | Graphene/deimpurity polyaniline-containing anticorrosive coating and preparation method thereof |
-
2016
- 2016-05-12 CN CN201610313634.1A patent/CN105928256A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003222437A (en) * | 2002-01-31 | 2003-08-08 | Ebara Corp | Absorption refrigerating machine |
| CN102095282A (en) * | 2011-01-28 | 2011-06-15 | 上海理工大学 | Refrigeration concentric circle sleeve-type vertical falling film absorber |
| CN102964967A (en) * | 2012-12-24 | 2013-03-13 | 青岛宣威涂层材料有限公司 | Anticorrosive coating |
| CN104449197A (en) * | 2013-09-23 | 2015-03-25 | 青岛兴国涂料有限公司 | Anticorrosive paint |
| CN103759282A (en) * | 2014-01-26 | 2014-04-30 | 三峡大学 | Anticorrosion method for interior of metal flue |
| KR20150125416A (en) * | 2014-04-30 | 2015-11-09 | 전북대학교산학협력단 | Heating tube coated with carbon nano material used for Absorption Refrigerator and evaporator comprising the same |
| CN103965746A (en) * | 2014-05-08 | 2014-08-06 | 江苏山力漆业有限公司 | High-temperature acid-resistant interface agent for inner wall of chimney |
| CN105032127A (en) * | 2015-07-01 | 2015-11-11 | 太仓市顺邦防腐设备有限公司 | Graphitic modified polypropylene falling film absorber |
| CN105400373A (en) * | 2015-12-16 | 2016-03-16 | 常州大学 | Graphene/deimpurity polyaniline-containing anticorrosive coating and preparation method thereof |
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Application publication date: 20160907 |