CN109959268A - A kind of fluoroplastics tubular type liquid-liquid heat-exchange system - Google Patents
A kind of fluoroplastics tubular type liquid-liquid heat-exchange system Download PDFInfo
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- CN109959268A CN109959268A CN201711500580.0A CN201711500580A CN109959268A CN 109959268 A CN109959268 A CN 109959268A CN 201711500580 A CN201711500580 A CN 201711500580A CN 109959268 A CN109959268 A CN 109959268A
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- heat
- fluoroplastics
- liquid
- tube bundle
- heating
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
- F28D1/0475—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits having a single U-bend
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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
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/01—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using means for separating solid materials from heat-exchange fluids, e.g. filters
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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
- F28F5/00—Elements specially adapted for movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/005—Other auxiliary members within casings, e.g. internal filling means or sealing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of fluoroplastics tubular type liquid-liquid heat-exchange systems, it is able to solve the problem of existing fluorine plastic tube shell heat exchanger effectively cannot be significantly increased or reduce the temperature with deep-etching feed liquid to be processed, existing fluorine plastic tube shell heat exchanger is overcome to be not suitable with the shortcomings and deficiencies of the constant high temperature of large capacity constant volume deep-etching liquid or the heat exchange process of permanent low temperature requirements.Including by heat channel, should by installed in heat channel by more fluoroplastics set of heat exchange tubes at heat-exchanging tube bundle, both ends are heat transferring medium inlet end and an outlet end, the U-shaped distribution of the heat-exchanging tube bundle；The heat transferring medium outlet end is connected to the return water entrance of heating tank through transfer pipeline, the heating tank is additionally provided with stoste outflow, it, which is exported, is connected to the heat transferring medium input end through delivery pump, device for filtering impurities by transfer pipeline, wherein device for filtering impurities is successively coupled by reducer pipe, sedimentation pipe and filter, and drain valve is installed below in the sedimentation pipe.
Description
Technical field
The present invention relates to the fields such as chemical industry, light industry, pharmacy, pesticide, alkaline, dyestuff, metallurgy and plating more particularly to fluorine to mould
Expect liquid-liquid heat-exchange system.
Background technique
Further attention with the development and country of new material to environmental protection, the economy of enterprise is imitated in energy-saving and emission-reduction in addition
The influence of benefit, so that traditional metal material (such as carbon steel, stainless steel, titanium) heat exchanger exchanges heat in strong acid alkalinity and strong oxidizing property
It is easy to corrosion and scaling in system and the influence for the unfavorable factors such as service life is short, teflon heat exchanger is answered with the requirement in epoch
It transports and gives birth to.Teflon heat exchanger has been developed in recent years for the anti-corrosion heat exchange equipment in strong corrosive medium, and current grinds
Study carefully the heat exchange element mainly as high effective flue gas heat exchange equipment, for the recycling of fume afterheat depth and further dedusting, obtains
Gratifying effect.
Teflon heat exchanger is used as heat exchange material using fluoroplastics, mainly since fluoroplastics have excellent performance, such as:
(in addition to molten metal sodium and liquid fluorine, all acid, alkali, salt and all other chemical drugs are resistant to splendid corrosion resistance
Product), surface it is (surface is not easy to stain fouling, have automatic cleaning action) non-stick, heat resistance it is good (using temperature -200~
200 DEG C of ranges), ageing-resistant performance is good and long service life (outdoor service life is up to 20 years), light weight, coefficient of friction are small etc.
Advantage, but compared with metal for, it may have some shortcomings or defect, such as: thermal coefficient is low, it is not high pressure resistant (pressure-resistant 3Kg/cm2 with
Under), wearability it is more low.Certain methods and measure can be used, alleviate and overcome the above deficiency, such as: teflon heat exchanger is mostly
Big, the good effect of heat exchange using thin micro tube production (4~20mm of caliber, pipe thickness are less than 1mm) heat exchange area；Reinforce and improves
Front end deflector is added in tube sheet connection type and single tube support constraint mechanism and tube bank pipe clamp, heat transferring medium import, is improved and is stablized
Resistance to pressure and wearability.
Currently, the research of teflon heat exchanger is concentrated mainly on the heat exchange element of high effective flue gas heat exchange equipment.But fluorine is moulded
Expect that heat exchanger is used as having strong corrosive medium in chemical industry, light industry, pharmacy, pesticide, alkaline, dyestuff, metallurgy and plating production
The research of heat exchange element of liquid-liquid heat exchange equipment be rarely reported, particularly suitable for the perseverance of large capacity constant volume deep-etching liquid
The fluoroplastics pipe heat exchanger of the heat exchange process of high temperature or permanent low temperature requirements has not been reported.Chemical inert material fluoroplastics change
Hot device does not have particular/special requirement to heated solution acid and alkali corrosion system, rotten by force with fluoroplastics thin micro tube production large capacity constant volume
The heat exchanger of erosion liquid has broad application prospects.
Existing teflon heat exchanger is essentially shell-and-tube heat exchanger, treat the target solution being heated or cooled heating or
Cooling extent is limited, and amplitude is raised and lowered not in the heat exchange medium of once-through tube side and shell side and the temperature of processing feed liquid
Greatly, general only 10 DEG C or so of lifting temperature.Therefore, this fluorine plastic tube shell heat exchanger is raised to tens degree very to from room temperature
The heating of the solution of supreme Baidu or the solution for even going up Baidu from tens degree drop to room temperature and lower temperature just and seem extremely not
It adapts to and does not reach requirement, even if being reached by repeatedly recycling feed liquid to be processed with the shell journey heat exchange energy that liquid is heated or cooled
To the temperature of needs, but heat exchange efficiency is low, and the solution in shell journey all must repeatedly be recycled by pump offer power and is just able to achieve, energy
Consumption is big, inconvenient for operation.
Therefore, a kind of novel fluoroplastics liquid-liquid heat-exchanger rig is developed, heat transferring medium can be made to continue to flow through fluoroplastics heat exchanger tube
It is heated or cooled the liquid to be processed with strong corrosive by the large volume in tank therefor, and is heating up or cooling to desirable value
After keep constant temperature, liquid to be processed and other reagents complete chemical reaction process or electrolytic process under constant temperature conditions later, overcome
The heat of constant high temperature or permanent low temperature requirements that existing fluorine plastic tube shell heat exchanger is not suitable with large capacity constant volume deep-etching liquid is handed over
Processing shortcomings and deficiencies are changed, it is imperative to develop a kind of novel fluoroplastics liquid-liquid heat-exchanger rig.
Summary of the invention
In view of the deficiencies of the prior art, technical problem to be solved by the invention is to provide a kind of fluoroplastics tubular type liquid-liquids
Heat-exchange system, being able to solve existing fluorine plastic tube shell heat exchanger and effectively cannot being significantly increased or reduce has strong corruption
The problem of losing the temperature of feed liquid to be processed, overcome existing fluorine plastic tube shell heat exchanger to from room temperature be raised to tens degree even on
The heating of the solution of Baidu or the solution for even going up Baidu from tens degree drop to room temperature and lower temperature just and seem extremely inadaptable
With the defect not reached requirement, existing fluorine plastic tube shell heat exchanger is overcome to be not suitable with the perseverance of large capacity constant volume deep-etching liquid
The shortcomings and deficiencies of the heat exchange process of high temperature or permanent low temperature requirements.
The present invention is using the basic conception of technical solution: a kind of fluoroplastics tubular type liquid-liquid heat-exchange system, including heated
Slot, should by heat channel install by more fluoroplastics set of heat exchange tubes at heat-exchanging tube bundle, both ends be heat transferring medium input end and go out
Mouth end, the U-shaped distribution of the heat-exchanging tube bundle；The heat transferring medium outlet end is connected to the return water entrance of heating tank through transfer pipeline, should
Heating tank is additionally provided with stoste outflow, and outlet is connected to the heat transferring medium through delivery pump, device for filtering impurities by transfer pipeline
Input end, wherein device for filtering impurities is successively coupled by reducer pipe, sedimentation pipe and filter, and the sedimentation pipe is installed below
Drain valve.
Preferably, the filter is by sieve and clamping flange to forming, and wherein sieve uses the piano-wire screen of 20~40 mesh
Net production.
Preferably, the heating tank is using electric heating, steam heating, hot water heating, waste heat boiler heating, natural steam pot
Any one of stove heating and solar energy heating or several combinations.
Preferably, the two-arm of the heat-exchanging tube bundle is equipped with the vertical protect-ing frame structure of cuboid, and bottom is equipped with cuboid water
Flat protect-ing frame structure is fixed with limit plate in the horizontal protect-ing frame structure in the width direction, which is equipped with logical for heat-exchanging tube bundle
The central poling slot crossed is equipped with cover sheet, the vertical protect-ing frame structure, horizontal protecting frame above the horizontal protect-ing frame structure
Array small sircle hole is opened up on frame, limit plate and cover sheet.
Preferably, the inlet end and an outlet end is separately connected transfer pipeline by connecting flange, the input end and goes out
The structure at mouth end is identical, includes tube sheet and pressing plate, is equipped with open corresponding with fluoroplastics heat exchanger tube on the tube sheet, pressing plate
Hole, the fluoroplastics heat exchanger tube of the heat-exchanging tube bundle pass through the tube sheet aperture and form flange, and the pressing plate passes through sunk screw
It is connect with the tube sheet, and the flange of the fluoroplastics heat exchanger tube, which is tightly pressed against between the pressing plate and tube sheet, fixes it.
Preferably, inverted U rack support is installed horn-like rack on the rack support by heat channel across described, should
Frame top is equipped with motor and retarder, which couples agitating shaft by shaft coupling, is equipped on the agitating shaft
Blender, the blender be located at by heat channel, close to heat-exchanging tube bundle U-shaped bottom.
The invention has the advantages that the present invention is particularly adapted to, corrosivity is extremely serious should not to use metallic recuperator
Heat-exchanging state in, can be widely applied in chemical industry, light industry, pharmacy, pesticide, alkaline, dyestuff, metallurgy and plating production have strong
The liquid-liquid heat exchange process of corrosive medium；, processing simple with structure and it is easy to use, heat exchange efficiency is high, light weight, corrosion resistant
Erosion, long service life, adaptability is good, has the advantages that be easy to modular.The heat exchanger can make heat transferring medium continue to flow through fluorine modeling
Expects pipe is heated or cooled the strong corrosive liquid to be processed by the large volume in tank therefor, and after heating up or cooling to desirable value
Constant temperature is kept, liquid to be processed and other reagents complete the good effect of chemical reaction process or electrolytic process under constant temperature conditions.
It can be stirred under different rotating speeds by the blender in heat channel, liquid-liquid two-phase in fluoroplastics heat-exchanger rig can be promoted preferably microcosmic
Mixing, strengthen " transport " chemical reaction process, it is ensured that be rapidly heated and make under constant temperature conditions by big in heat channel
The strong corrosive of volume liquid to be processed and other reagents complete chemical reaction process.Teflon heat exchanger tube sheet joint is moulded using fluorine
Material heat exchanger tube flange is connect with the mode that pressing plate compresses, so that the connection between exchanger tubes and tubesheets becomes simple and convenient, and even
It connects relatively reliable, heat transferring medium will not be revealed.The impurity that device for filtering impurities plays in filtering and in time discharge heat transferring medium is made
With, avoid and reduce impurity enter heat-exchanging tube bundle bring it is biggish abrasion and easily damaged fluoroplastics heat exchanger tube occur leakage it is several
Rate greatly reduces the service works such as leakage detection, closure, replacement heat exchanger tube.Filter and the sedimentation pipe of its front end setting rise simultaneously
Buffer function has been arrived, has kept the hydraulic pressure into fluoroplastics heat exchanger tube in a basic balance, will not occur because of fluoroplastics heat exchanger tube local pressure
It is excessive to lead to concussion fracture phenomenon, extend the service life of fluoroplastics heat exchanger tube.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of fluoroplastics tubular type liquid-liquid heat-exchange system；
Fig. 2 is the structural schematic diagram of heat-exchanging tube bundle；
Fig. 3 is the structural schematic diagram of limit plate.
In figure: 2- rack support；3- is by heat channel；5- heating tank；6- motor；7- retarder；8- rack；9- shaft coupling；
10- blender；11- agitating shaft；12- cover board；The vertical protect-ing frame structure I of 13- cuboid；14- control valve I；15- connecting flange I；
16- tube sheet I；17- pressure plates I；18- cover sheet；The horizontal protect-ing frame structure of 19- cuboid；20- small sircle hole；The heat exchange of 21- fluoroplastics
Pipe；The vertical protect-ing frame structure II of 22- cuboid；23- limit plate；24- heat-exchanging tube bundle；25- pressure plates II；26- tube sheet II；27- connection
Flange II；29- sieve；30- clamping flange pair；31- sedimentation pipe；32- reducer pipe；33- drain valve；34- control valve II；35- control
Valve III processed；36- delivery pump；The outlet 37-；38- stoste outflow；39- return water entrance；The center 40- poling slot.
Specific embodiment
As shown in Figure 1, Figure 2 and Figure 3, U-shaped heat-exchanging tube bundle 24 is by tiny 21 groups of fluoroplastics heat exchanger tube of more root canal diameters
At heat-exchanging tube bundle 24 is protected by the vertical protect-ing frame structure II 22 of cuboid, the vertical protect-ing frame structure I 13 of cuboid, cuboid level
The protection of the protective devices such as frame 19, cover sheet 18,24 bottom horizontal portion of heat-exchanging tube bundle support fixed limit by limit plate 23.
The vertical protect-ing frame structure II 22 of cuboid, the vertical protect-ing frame structure I 13 of cuboid, the horizontal protect-ing frame structure 19 of cuboid, cover sheet
18, array small sircle hole 20 is opened up on limit plate 23, convenient for the protection of soft heat-exchanging tube bundle 24, limit and carries out efficient heat
Amount exchange.
Limit plate 23 makes 1-3 row/column heat-exchanging tube bundle 24 pass through central poling slot 40 just；In the horizontal protect-ing frame structure of cuboid
19 in the width direction inside be welded and fixed or slot is fixed, 1~8 limit plate 23 is set along its length, and spacing is distributed, limit
Position 23 quantity of plate does not hang down into bottom with heat-exchanging tube bundle 24 and is limited, and is preferably preferred with pico- sagging serpentine-like curve-like, in this way may be used
To reduce the impact force of flow instabilities heat transferring medium, the concussion fracture risk of heat-exchanging tube bundle is avoided.
One end of fluoroplastics heat exchanger tube 21 reaches the outside of tube sheet I 16 and is equipped with flange, and pressure plates I 17 passes through countersunk head spiral shell
Nail is connect with tube sheet I 16, and pressure plates I 17 is pressed on tube sheet I 16, while tightly by the flange of fluoroplastics heat exchanger tube 21
Being pressed between pressure plates I 17 and tube sheet I 16 keeps fluoroplastics heat exchanger tube 21 fixed.The connection side of the other end of fluoroplastics heat exchanger tube 21
Formula is identical with this, repeats no more.Pressure plates I 17, tube sheet II 26, is equipped in pressure plates II 25 and fluoroplastics tube sheet I 16
The corresponding aperture of heat exchanger tube 21.Tube sheet I 16 passes through the pressure plates I that connecting flange I 15 connect, and abutted with transfer pipeline
17 press to tube sheet I 16, the flange of compression and the fluoroplastics heat exchanger tube 21 between fixation clip I 17 and tube sheet I 16；Similarly, it manages
Plate II 26 is connect with transfer pipeline by connecting flange II 27.
Inverted U rack support 2 installs horn-like rack 8, rack across on the shell by heat channel 3 on rack support 2
8 tops are equipped with motor 6 and retarder 7, and the shaft of retarder 7 passes through heated tank cover plate 12, by the connection stirring of shaft coupling 9
Axis 11, is equipped with blender 10 on agitating shaft 11, blender 10 be located at by heat channel 3, close to the U-shaped bottom of heat-exchanging tube bundle 24.It stirs
Mixing device 10 can stir under the drive of motor 6 under different rotating speeds, can promote in fluoroplastics tubular type liquid-liquid heat-exchange system
The preferably microcosmic mixing of liquid-liquid two-phase.
Entered by the return water that the heat transferring medium outlet end that tube sheet I 16, pressure plates I 17 form is connected to heating tank 5 through transfer pipeline
Mouth 39, heating tank 5 are additionally provided with stoste outflow 38, and the outlet 37 of heating tank 5 is filled by transfer pipeline through delivery pump 36, contaminant filter
The heat transferring medium input end for being connected to and being made of pressure plates II 25, tube sheet II 26 is set, wherein device for filtering impurities is by reducer pipe 32, heavy
Drop pipe 31 and filter are successively coupled, and the filter is made of sieve 29 and clamping flange to 30, and wherein sieve 29 is adopted
It is made of the steel-wire screen of 20~40 mesh, drain valve 33 is installed below in sedimentation pipe 31.
With by corrosive liquid medium to be processed in heat channel 3 heat exchange occurs for the heat transferring medium in heat-exchanging tube bundle 24
Process.Its process realizes contactless heat exchange, close to change when being reduced by the strong corrosive solution temperature to be processed in heat channel 3
Hot face region solution absorbs heat, and temperature increases, and thermal medium heat release in heat-exchanging tube bundle 24 and be cooled, realize heat friendship
It changes；Vice versa.Ensure that strong corrosive liquid to be processed completes chemical reaction process or electrolysis with other reagents under constant temperature conditions
Process.
U-shaped heat-exchanging tube bundle 24 be placed in the rectangular shape for filling strong corrosive solution to be processed by heat channel 3,
Across by 3 both ends of heat channel heat transferring medium input end, heat transferring medium outlet end respectively with connecting flange II 27, connecting flange I
15 are connected；Heat transferring medium is squeezed into transfer pipeline by heat transferring medium delivery pump 36 through outlet 37 from heating tank 5 and is filled through contaminant filter
Set, heat transferring medium input end enters in U heat exchange beam 24, after heat exchanging process, by heat transferring medium outlet end through return water
Entrance 39 enters in heating tank 5, and heating (or cooling) and the conveying of high temperature (or low temperature) closed cycle, realize heat-exchanging tube bundle 24 again
In heat transferring medium exchanged with by the heat of the strong corrosive liquid to be processed in heat channel 3.
Fluoroplastics heat exchanger tube 21 plays heat exchanger tube, and the fluoroplastics used is polytetrafluoroethylene (PTFE) (PTFE), tetrafluoroethene-
One or both of perfluorinated alkoxy vinyl ether copolymer (PFA).Within the scope of a diameter of 4~20mm, most preferably 4~
Within the scope of 10mm, pipe thickness≤1.0mm, such heat exchanger effectiveness is higher.
It can be cylindrical, cuboid or the square bodily form by heat channel 3, be most preferably easier to matched length with heat-exchanging tube bundle 24
Cube shape or the square bodily form, are made by 3 entirety of heat channel or the corrosion resistant material of inner liner material selection (such as PP, PE plastics).
The vertical protect-ing frame structure II 22 of cuboid, the vertical protect-ing frame structure I 13 of cuboid, the horizontal protect-ing frame structure 19 of cuboid,
Other engineering plastics (PE, PP plastics etc.) can also be used in the optional fluoroplastics of material of cover sheet 18, limit plate 23；Cuboid
Vertical protect-ing frame structure II 22, the vertical protect-ing frame structure I 13 of cuboid, the horizontal protect-ing frame structure 19 of cuboid are using heat expansion fusion welding
Mode connects, and cover sheet 18 is in horizontal 19 upper end of protect-ing frame structure of cuboid and the two is using heat expansion fusion welding manner connection.
Tube sheet I 16, the material of tube sheet II 26 are optional with the consistent fluoroplastics of fluoroplastics heat exchanger tube 21, and other engineering plastics can also be used
(PE, PP plastics etc.)；Pressure plates I 17, pressure plates II 25 are using fluorubber plate production soft and that elasticity is good.
Electric heating, steam heating, hot water heating, waste heat boiler can be used in the heating means of heat transferring medium in heating tank 5
Heating, natural gas boiler heating and any one of solar energy heating or several combinations, from saving the energy and easily operated
From the point of view of stability contorting temperature, natural gas boiler is more reasonable.
One heat-exchanging tube bundle 24 contains 50~500 fluoroplastics heat exchanger tubes 21, and one by can place 1-3 in heat channel 3 side by side
A heat-exchanging tube bundle 24, heat exchange area is up to 40m2 or more, specifically depending on heat exchange capacity；Heat-exchanging tube bundle 24 can be installed in series in phase
Neighbour is used by between heat channel, can be substantially reduced power energy consumption in this way and be improved heat exchange efficiency.
It should be understood by those skilled in the art that the present invention is not limited to the embodiments described above, above embodiment and
It is merely illustrated the principles of the invention described in specification, shape, named title of components etc. can be different, do not departing from
Under the premise of spirit and scope of the invention, the present invention also has various change, variation, modifications, equivalent substitutions and improvements etc., should all
Within the protection scope that technical solution of the present invention requires.
Claims (6)
1. a kind of fluoroplastics tubular type liquid-liquid heat-exchange system, including by heat channel, it should be by installation in heat channel by more fluoroplastics heat exchanger tubes
The heat-exchanging tube bundle of composition, both ends are heat transferring medium inlet end and an outlet end, which is characterized in that the U-shaped distribution of the heat-exchanging tube bundle；
The heat transferring medium outlet end is connected to the return water entrance of heating tank through transfer pipeline, which is additionally provided with stoste outflow, goes out
Be connected to the heat transferring medium input end through delivery pump, device for filtering impurities mouthful by transfer pipeline, wherein device for filtering impurities by
Reducer pipe, sedimentation pipe and filter are successively coupled, and drain valve is installed below in the sedimentation pipe.
2. fluoroplastics tubular type liquid-liquid heat-exchange system according to claim 1, which is characterized in that the filter is by sieve
With clamping flange to composition, wherein sieve is made of the steel-wire screen of 20~40 mesh.
3. fluoroplastics tubular type liquid-liquid heat-exchange system according to claim 1, which is characterized in that the heating tank uses
Any one of electric heating, steam heating, hot water heating, waste heat boiler heating, natural gas boiler heating and solar energy heating
Or several combination.
4. fluoroplastics tubular type liquid-liquid heat-exchange system according to claim 1, which is characterized in that the heat-exchanging tube bundle
Two-arm is equipped with the vertical protect-ing frame structure of cuboid, and bottom is equipped with the horizontal protect-ing frame structure of cuboid, and the horizontal protect-ing frame structure is interior along width
Degree direction is fixed with limit plate, which is equipped with the central poling slot passed through for heat-exchanging tube bundle, the horizontal protect-ing frame structure
It is equipped with cover sheet above, opens up array on the vertical protect-ing frame structure, horizontal protect-ing frame structure, limit plate and cover sheet
Small sircle hole.
5. fluoroplastics tubular type liquid-liquid heat-exchange system according to claim 1, which is characterized in that the input end and outlet
End by connecting flange is separately connected transfer pipeline, and the structure of the inlet end and an outlet end is identical, including tube sheet and pressing plate,
Aperture corresponding with fluoroplastics thin micro tube is equipped on the tube sheet, pressing plate, the fluoroplastics thin-walled of the heat-exchanging tube bundle is micro-
Pipe is across the tube sheet aperture and forms flange, and the pressing plate is connect by sunk screw with the tube sheet, and the fluorine is moulded
The flange of material thin micro tube, which is tightly pressed against between the pressing plate and tube sheet, fixes it.
6. fluoroplastics tubular type liquid-liquid heat-exchange system according to claim 1, which is characterized in that inverted U rack support across
Described by heat channel, horn-like rack is installed on the rack support, which is equipped with motor and retarder, this subtracts
Fast device couples agitating shaft by shaft coupling, is equipped with blender on the agitating shaft, the blender be located at by heat channel, it is close
Heat-exchanging tube bundle U-shaped bottom.
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| CN201711500580.0A CN109959268A (en) | 2017-12-26 | 2017-12-26 | A kind of fluoroplastics tubular type liquid-liquid heat-exchange system |
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| CN201711500580.0A CN109959268A (en) | 2017-12-26 | 2017-12-26 | A kind of fluoroplastics tubular type liquid-liquid heat-exchange system |
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| CN1297133A (en) * | 2000-11-30 | 2001-05-30 | 赵永镐 | Tube-shell type teflon heat exchange |
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