CN105953634A - Graphite pipe with heat exchange function - Google Patents
Graphite pipe with heat exchange function Download PDFInfo
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- CN105953634A CN105953634A CN201610313635.6A CN201610313635A CN105953634A CN 105953634 A CN105953634 A CN 105953634A CN 201610313635 A CN201610313635 A CN 201610313635A CN 105953634 A CN105953634 A CN 105953634A
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- Prior art keywords
- graphite
- heat exchange
- exchange function
- pipe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/02—Constructions of heat-exchange apparatus characterised by the selection of particular materials of carbon, e.g. graphite
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/38—Non-oxide ceramic constituents or additives
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
- C04B2235/424—Carbon black
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/446—Sulfides, tellurides or selenides
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5454—Particle size related information expressed by the size of the particles or aggregates thereof nanometer sized, i.e. below 100 nm
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a graphite pipe with a heat exchange function. The graphite pipe with the heat exchange function is formed by combining a high-temperature fire-proof material on the outermost layer, phenolic aldehyde resin on the middle layer and graphite on the innermost layer. The high-temperature fire-proof material comprises molybdenum disulfide, nano aluminum oxide, composite dispersing agents, nanoscale calcium carbonate and carbon black powder and accounts for 21%-25% of the total weight of the graphite pipe with the heat exchange function. The phenolic aldehyde resin accounts for 25%-26% of the total weight of the graphite pipe with the heat exchange function. The graphite accounts for 48%-56% of the total weight of the graphite pipe with the heat exchange function. The provided graphite pipe with the heat exchange function has the advantages that the preparation cost is low, the using effect is good, and the heat exchange efficiency is improved.
Description
Technical field
The present invention relates to a kind of graphite-pipe with heat exchange function.
Background technology
Graphite heat exchanger can be divided into block cellular type shell-and-tube and board-like 3 types by its structure.Block cellular type is formed by several blocky graphite assembling components with holes.Shell-and-tube shell-and-tube heat exchanger occupies critical role in graphite heat exchanger and is divided into again fixed and floating head type two kinds by structure.Board-like plate type heat exchanger graphite cake bonding is made.In addition with (see coil heat exchanger double pipe heat exchangers) such as immersion fountain and bushing types.The less scaling heat transfer property of graphite heat exchanger corrosion resistance and good heat-transfer area is good.But graphite easy embrittlement bending resistance and tensile strength is low thus even if that be only used for low pressure bearing capacity best its operating pressure of block cavernous structure is typically also only 0.3～0.5 MPa.The cost big use of height volume of graphite heat exchanger is few.It is mainly used in the heat exchange of the Korrosionsmediums such as hydrochloric acid sulphuric acid acetic acid and phosphoric acid as acetic acid and the condenser etc. of acetic anhydride.Graphite pipe is different according to its material impregnated, and is divided into synthetic resin dipping, waterglass resin dipping and bituminizing.Graphite heat exchanger corrosion resistance and good, heat-transfer area is less scaling, and heat transfer property is good.But the easy embrittlement of graphite, bending resistance and tensile strength are low, thus are only used for low pressure, even if the block cavernous structure that bearing capacity is best, its operating pressure is typically also only 0.3～0.5 MPa.
The cost of graphite heat exchanger is high, and volume is big, uses few.It is mainly used in the heat exchange of the Korrosionsmediums such as hydrochloric acid, sulphuric acid, acetic acid and phosphoric acid, such as the condenser etc. as acetic acid and acetic anhydride.It is used primarily in the production industries such as chemical industry for making chlorine and alkali, petrochemical industry, fluoride salt, titanium white, zirconium industry, monoxone, chlorinated paraffin, monocrystal silicon fluorination work.1. block cellular type: the blocky graphite element with holes by several assembles.2. shell-and-tube: shell-and-tube heat exchanger occupies critical role in graphite heat exchanger, is divided into again fixed and floating head type two kinds by structure.Shell-and-tube heat exchanger is also known as tubular heat exchanger.It is to close the wall restrained the in the housing dividing wall type heat exchanger as heat-transfer area.This heat exchanger structure is relatively simple, and operation is reliable, and available various structural materials (mainly metal material) manufacture, and can use, be the most most widely used type under high temperature, high pressure.The most board-like: plate type heat exchanger graphite cake bonding is made.Additionally, also immersion, fountain and bushing type etc. (see coil heat exchanger, double pipe heat exchanger).Plate type heat exchanger is by a kind of new type high efficient heat exchanger of a series of sheet metal closed assemblies with certain bellows-shaped.Form thin rectangular shape passage between various plates, carry out heat exchange by half.Plate type heat exchanger is the ideal equipment that liquid liquid, liquid vapour carry out heat exchange.The features such as it has that heat exchange efficiency is high, heat loss is little, advantages of compact and light structure, floor space are little, it is easy to clean to install, be widely used, length in service life.Under uniform pressure damaed cordition, its ratio of heat transfer coefficient pipe heat exchanger height 3-5 times, floor space is 1/3rd of pipe heat exchanger, and heat recovery rate may be up to more than 90%.
Summary of the invention
It is low that the present invention provides one to have preparation cost, and using effect is good, improves the graphite-pipe with heat exchange function of heat exchange efficiency advantage.
The technical scheme is that a kind of graphite-pipe with heat exchange function, the described graphite-pipe with heat exchange function includes outermost high-temperature refractory, the phenolic resin in intermediate layer and the graphite of innermost layer combine, described high-temperature refractory includes molybdenum bisuphide, nano-aluminium oxide, composite dispersing agent, nanometer grade calcium carbonate, carbon powder, described high-temperature refractory accounts for the 21%-25% of the overall component of graphite-pipe with heat exchange function, described phenolic resin accounts for the 25%-26% of the overall component of graphite-pipe with heat exchange function, described graphite accounts for the 48%-56% of the overall component of graphite-pipe with heat exchange function.
In a preferred embodiment of the present invention, described graphite includes nanoscale graphite powder, silica flour, Borax, boric acid.
In a preferred embodiment of the present invention, described high-temperature refractory accounts for 23% of the overall component of graphite-pipe with heat exchange function, described phenolic resin accounts for 25% of the overall component of graphite-pipe with heat exchange function, and described graphite accounts for 52% of the overall component of graphite-pipe with heat exchange function.
A kind of graphite-pipe with heat exchange function of the present invention, has preparation cost low, and using effect is good, the advantage that improve heat exchange 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, the described graphite-pipe with heat exchange function includes that the graphite of outermost high-temperature refractory, the phenolic resin in intermediate layer and innermost layer combines, described high-temperature refractory includes molybdenum bisuphide, nano-aluminium oxide, composite dispersing agent, nanometer grade calcium carbonate, carbon powder, described high-temperature refractory accounts for the 21%-25% of the overall component of graphite-pipe with heat exchange function, described phenolic resin accounts for the 25%-26% of the overall component of graphite-pipe with heat exchange function, and described graphite accounts for the 48%-56% of the overall component of graphite-pipe with heat exchange function.
Further illustrate, described graphite includes nanoscale graphite powder, silica flour, Borax, boric acid, described high-temperature refractory accounts for 23% of the overall component of graphite-pipe with heat exchange function, described phenolic resin accounts for 25% of the overall component of graphite-pipe with heat exchange function, and described graphite accounts for 52% of the overall component of graphite-pipe with heat exchange function.
Further illustrating, refractory material typically refers to be resistant to the inorganic material of 1580 DEG C of temperatures above.They are to build kiln, combustor and other resistant to elevated temperatures construction materials of need.General quartz sand, clay, magnesite, dolomite etc. are made raw material and are made, thermostable heat-isolating coating will is contained, it it is a kind of component inorganic coating, heatproof amplitude is at-80 1800 DEG C, heat conductivity is 0.03W/m.K, heat radiation and the conduction heat of high temp objects and cryogenic object can be suppressed, the heat of 70% can be kept for high temp objects not lose.Will is contained coating and is coated 8mm thermostable heat-isolating coating at the body surface of 1100 DEG C, body surface temperature just can from 1100 DEG C be reduced to 100 DEG C within.Additionally thermostable heat-isolating coating also has the features such as insulation, lightweight, easy construction, length in service life, it is possible to being used as inorganic material high temperature-resistant acid-resistant alkali glue crosslinking agent and use, attachment object is firm.Such as refractory cement, magnesia brick etc..In broad terms, inorganic refractory, heat proof material refer to that the hardness of these compounds is high, fragility is good, resistance to chemical corrosion is good, and fusing point is more than 1500, such as high temp glass, falls within refractory material.Main parting belong to and nonmetallic compound and nonmetal between compound two class.The former is such as the refractory metals such as tungsten, molybdenum, tantalum, niobium, vanadium, chromium, titanium, zirconium and the boride of rare earth metal, carbide, nitride, silicide, phosphide and sulfide etc.；The latter such as boron carbide, carborundum, boron nitride, silicon nitride, boron phosphide, phosphatization silicon etc..The latter has epochmaking purposes, can be used as high-temperature refractory (such as abrasive material, mold, nozzle, pyrometer couple sleeve pipe), heat proof material (such as the structural detail of rocket, nuclear engineering material, heating), electrical material (such as pyrometer couple, ignitor), be additionally used as chemical resistant material and hard material etc..Heat-resistant polymer can be used as high-temperature resistant membrane insulant, high-temperature fibre, high-temperature resistant coating, high-temperature-resistant adhesive etc..According to the resistant to elevated temperatures time, divide again the exotic material of moment exotic material and long period.The former is resistant to several seconds to a few minutes at 1000～10000 DEG C.Wherein ablator is also exotic material.Such as at 300～600 DEG C, its mechanical strength, resistance to chemical attack etc. can be kept in atmosphere.The present invention provides a kind of graphite-pipe with heat exchange function, has preparation cost low, and using effect is good, the advantage that improve heat exchange 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 graphite-pipe with heat exchange function, it is characterized in that: the described graphite-pipe with heat exchange function includes outermost high-temperature refractory, the phenolic resin in intermediate layer and the graphite of innermost layer combine, described high-temperature refractory includes molybdenum bisuphide, nano-aluminium oxide, composite dispersing agent, nanometer grade calcium carbonate, carbon powder, described high-temperature refractory accounts for the 21%-25% of the overall component of graphite-pipe with heat exchange function, described phenolic resin accounts for the 25%-26% of the overall component of graphite-pipe with heat exchange function, described graphite accounts for the 48%-56% of the overall component of graphite-pipe with heat exchange function.
The graphite-pipe with heat exchange function the most according to claim 1, it is characterised in that: described graphite includes nanoscale graphite powder, silica flour, Borax, boric acid.
The graphite-pipe with heat exchange function the most according to claim 1, it is characterized in that: described high-temperature refractory accounts for 23% of the overall component of graphite-pipe with heat exchange function, described phenolic resin accounts for 25% of the overall component of graphite-pipe with heat exchange function, and described graphite accounts for 52% of the overall component of graphite-pipe with heat exchange function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610313635.6A CN105953634A (en) | 2016-05-12 | 2016-05-12 | Graphite pipe with heat exchange function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610313635.6A CN105953634A (en) | 2016-05-12 | 2016-05-12 | Graphite pipe with heat exchange function |
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| Publication Number | Publication Date |
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| CN105953634A true CN105953634A (en) | 2016-09-21 |
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| CN201610313635.6A Pending CN105953634A (en) | 2016-05-12 | 2016-05-12 | Graphite pipe with heat exchange function |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101539379A (en) * | 2009-04-03 | 2009-09-23 | 南通京通石墨设备有限公司 | Large-scale tube graphite heat exchanger using modified resin to extrude graphite tube |
| CN102141350A (en) * | 2011-04-29 | 2011-08-03 | 南通京通石墨设备有限公司 | Large-scale shell and tube graphite heat exchanger structure |
| CN102249203A (en) * | 2011-04-29 | 2011-11-23 | 南通京通石墨设备有限公司 | Phosphoric acid evaporation process and device thereof |
| CN202155191U (en) * | 2011-05-30 | 2012-03-07 | 南通三鑫碳素石墨设备有限公司 | Acryl chloride synthesizing tube prepared by graphite |
| CN102807356A (en) * | 2011-05-30 | 2012-12-05 | 南通三鑫碳素石墨设备有限公司 | Glass fiber-reinforced compressed graphite tube |
| CN104048540A (en) * | 2013-03-11 | 2014-09-17 | 焦作东方海纳科技发展有限公司 | S-shaped pipeline heat exchanger |
-
2016
- 2016-05-12 CN CN201610313635.6A patent/CN105953634A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101539379A (en) * | 2009-04-03 | 2009-09-23 | 南通京通石墨设备有限公司 | Large-scale tube graphite heat exchanger using modified resin to extrude graphite tube |
| CN102141350A (en) * | 2011-04-29 | 2011-08-03 | 南通京通石墨设备有限公司 | Large-scale shell and tube graphite heat exchanger structure |
| CN102249203A (en) * | 2011-04-29 | 2011-11-23 | 南通京通石墨设备有限公司 | Phosphoric acid evaporation process and device thereof |
| CN202155191U (en) * | 2011-05-30 | 2012-03-07 | 南通三鑫碳素石墨设备有限公司 | Acryl chloride synthesizing tube prepared by graphite |
| CN102807356A (en) * | 2011-05-30 | 2012-12-05 | 南通三鑫碳素石墨设备有限公司 | Glass fiber-reinforced compressed graphite tube |
| CN104048540A (en) * | 2013-03-11 | 2014-09-17 | 焦作东方海纳科技发展有限公司 | S-shaped pipeline heat exchanger |
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Application publication date: 20160921 |