CN109269330A - A kind of three-stage heat pipe rotational flow heat exchanger - Google Patents
A kind of three-stage heat pipe rotational flow heat exchanger Download PDFInfo
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- CN109269330A CN109269330A CN201811274737.7A CN201811274737A CN109269330A CN 109269330 A CN109269330 A CN 109269330A CN 201811274737 A CN201811274737 A CN 201811274737A CN 109269330 A CN109269330 A CN 109269330A
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- 239000012530 fluid Substances 0.000 claims abstract description 244
- 230000008676 import Effects 0.000 claims abstract description 22
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000003447 ipsilateral effect Effects 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims 1
- 230000003044 adaptive effect Effects 0.000 abstract description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 19
- 239000003546 flue gas Substances 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 238000006477 desulfuration reaction Methods 0.000 description 15
- 230000023556 desulfurization Effects 0.000 description 13
- 239000002002 slurry Substances 0.000 description 11
- 238000001816 cooling Methods 0.000 description 7
- 235000019504 cigarettes Nutrition 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
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- 230000007797 corrosion Effects 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000003009 desulfurizing effect Effects 0.000 description 3
- 239000008246 gaseous mixture Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- -1 inflammable Substances 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (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 three-stage heat pipe rotational flow heat exchangers, it include: rack, it is equipped with and does not contact and there are the cold fluid tube bodies in space and hot fluid cabinet on the rack, cold fluid is set into horn mouth in cold fluid cabinet import, outlet sets cold fluid and goes out horn mouth, hot fluid is set into horn mouth in hot fluid cabinet import, outlet sets hot fluid and goes out horn mouth, several heat exchange units being made of several heat pipes are set along fluid flow direction between hot fluid cabinet and cold fluid cabinet, hot fluid cabinet is protruded into one end of every heat pipe, the other end protrudes into cold fluid cabinet, every heat pipe is separated by cold fluid tube body and hot fluid cabinet positioned at the intracorporal heat pipe evaporator section of hot fluid case, heat pipe insulation section between hot fluid cabinet and cold fluid cabinet, and it is located at the intracorporal heat pipe condenser section of cold fluid case.The present invention has the advantages that heat exchange efficiency is high, adaptive temperature is wide.
Description
Technical field
The present invention relates to smoke-gas wet desulfurization energy-saving and emission-reduction technical field of heat exchangers, and in particular to a kind of three-stage heat pipe
Rotational flow heat exchanger.
Background technique
Currently, China's atmosphere polluting problem very severe, the compound atmosphere pollution such as gray haze, photochemical fog and acid rain is asked
It inscribes still more prominent.Increase, national successively appearance energy-saving and emission-reduction policy very urgent to the comprehensive improvement dynamics of atmospheric environment, reinforcing
Control to key industrys such as coal-burning power plant, coal-burned industrial boilers to atmosphere pollution, and flue gas is taken off and white has been included in improvement
Schedule.The multiple provinces and cities in the whole nation propose that " boiler should take fibre selection and other effective measures to eliminate gypsum rain, coloured plume in succession
Phenomena such as " requirement.
White cigarette refers to the combustion heating technique back segment in industries such as electric power, petrochemical industry, waste incinerations, after desulfurization,
Temperature drastically reduces when into smoke stack emission into atmospheric environment, drops to 50 from 110, flue gas water content sharply increases, substantially
Reach saturation state and contain a large amount of droplets, such wet flue gas is directly discharged in atmosphere through traditional chimney, goes out in chimney
It meets at mouthful with low ambient temperature air, dew point or less will be dropped to rapidly and condensed, generate a large amount of droplets, generate visual chimney
" emitting white cigarette " phenomenon, white cigarette can live to surrounding resident and cause to perplex, and influence environmental perception, it is serious can also be on chimney periphery one
Determine to form " chimney rain ", " gypsum rain " pollution environment in range, also creates the waste of water resource.
Misty rain is eliminated it is necessary to improve the temperature and humidity of flue gas emission, makes flue gas in surrounding air in diffusion process
Always it will not become saturation state, the vapor in wet flue gas will not be condensed, is precipitated.Cooling and dehumidification, condensation water removal, heating flue gas
Heating is that flue gas disappears white most effective processing route, and contains 50 degree of mixed flue gas temperature or so after conventional wet lay desulfurization at present
A large amount of saturated steam further decreases the temperature of gaseous mixture in desulfurizing tower, prevents vapor Forming Mechanism, thoroughly eliminates out
Aqueous vapor in mouth flue gas, therefore researching and developing large-scale low-temperature high-performance heat exchanger is one of necessary equipment.But current used heat exchanger
Deposit the considerable low-temperature flue gas disadvantage low in heat exchange efficiency.
Existing market has a kind of high-performance heat transfer components of heat superconducting body, and the remote part of the efficient heat transfer is known as heat pipe, it is to utilize
The lasting transfer of heat is completed in the continuous phase transistion evaporation of Totally enclosed vacuum pipe internal working medium with condensation, itself does not generate heat
Amount has very high thermal conductivity and good isothermal.The structure of gravity assisted heat pipe includes: tube body, and one end of tube body passes through first
End socket closing, the other end of tube body are provided with the second end socket, are provided centrally with fluid injection drain hole in the second end socket, infuse and arrange in liquid
It is provided with emptying adapter tube at emptying aperture, by the closed one end of the first end socket institute is seal head end on tube body, working medium is marked in tube body.Heat
Pipe has the characteristics that reply temperature sensitivity is good, heat transfer is quick, thus needs to invent a kind of utilization adopting heat pipes for heat transfer feature and heat exchange
High-efficient heat exchange of heat pipe.
Summary of the invention
The object of the present invention is to provide a kind of three-stage heat pipe rotational flow heat exchangers that heat exchange efficiency is high.
To achieve the above object, present invention employs following technical solutions: a kind of three-stage heat pipe eddy flow heat exchange
Device, comprising: rack is provided with relatively independent parallel cold fluid tube body and hot fluid cabinet on the rack, cold fluid cabinet with
Do not contacted between hot fluid cabinet and there are space, the import of cold fluid cabinet be provided with bore along fluid flow direction by
Cumulative big cold fluid is provided with what bore was gradually reduced along fluid flow direction into horn mouth, in the outlet of cold fluid cabinet
Cold fluid goes out horn mouth, the import of hot fluid cabinet be provided with hot fluid that bore is gradually increased along fluid flow direction into
Horn mouth is provided with bore in the outlet of hot fluid cabinet and goes out horn mouth along the hot fluid that fluid flow direction is gradually reduced,
Fluid flow direction is provided with several heat exchange units between hot fluid cabinet and cold fluid cabinet, if each heat exchange unit by
Dry root heat pipe composition, hot fluid cabinet is protruded into one end of every heat pipe, the other end protrudes into cold fluid cabinet, and every heat pipe is by cold flow
Body tube body and hot fluid cabinet are separated into positioned at the intracorporal heat pipe evaporator section of hot fluid case, are located at hot fluid cabinet and cold fluid case
Heat pipe insulation section between body and it is located at the intracorporal heat pipe condenser section of cold fluid case.
Further, a kind of three-stage heat pipe rotational flow heat exchanger above-mentioned, in which: the import of cold fluid cabinet and hot fluid
The outlet of cabinet is located at ipsilateral, and the outlet of cold fluid cabinet and the import of hot fluid cabinet are positioned at ipsilateral.
Further, a kind of three-stage heat pipe rotational flow heat exchanger above-mentioned, in which: in heat pipe and cold fluid wall box phase
The position that the position of contact and heat pipe are in contact with hot fluid wall box is arranged with protection sleeve pipe, the middle section of heat pipe respectively
It is mutually fixed by each protection sleeve pipe with corresponding fluid cabinet sealing welding.
Further, a kind of three-stage heat pipe rotational flow heat exchanger above-mentioned, in which: the both ends of heat pipe not with corresponding stream
Body cabinet is mutually fixed.
Further, a kind of three-stage heat pipe rotational flow heat exchanger above-mentioned, in which: heat pipe is obliquely installed on hot fluid
On cabinet and cold fluid cabinet.
Further, a kind of three-stage heat pipe rotational flow heat exchanger above-mentioned, in which: in hot fluid cabinet and cold fluid cabinet
Between along fluid flow direction at least provided with two heat exchange units, stayed between adjacent heat exchange unit at regular intervals.
Further, a kind of three-stage heat pipe rotational flow heat exchanger above-mentioned, in which: also set in the entrance of hot fluid cabinet
It is equipped with sieve.
Further, a kind of three-stage heat pipe rotational flow heat exchanger above-mentioned, in which: hot fluid into bell-mouthed import,
Hot fluid goes out bell-mouthed outlet, cold fluid goes out bell-mouthed exit into bell-mouthed import, cold fluid and is respectively arranged with pipe
Road compensator.
Further, a kind of three-stage heat pipe rotational flow heat exchanger above-mentioned, in which:: it is set on the side wall of hot fluid cabinet
It is equipped with several inspection holes and cleaning hole.
Further, a kind of three-stage heat pipe rotational flow heat exchanger above-mentioned, in which: in cold fluid cabinet and hot fluid cabinet
Between be also connected with several reinforcement angle steel, the both ends of every reinforcement angle steel respectively with the outer wall of cold fluid cabinet and hot fluid cabinet
Outer wall mutually fix.
Through the implementation of the above technical solution, the beneficial effects of the present invention are:
(1) in the process of running when single heat pipe because when the reasons such as abrasion, burn into overtemperature are destroyed, also only single heat
Tube failure, the doping without cold fluid and hot fluid occurs, high safety and reliability are applicable to changing for the fluids such as inflammable, explosive, corrosion
Thermal field closes；
(2) the completely separable flowing of the cold and hot fluid of heat exchange of heat pipe can be relatively easy to and realize the complete inverse of cold and hot fluid
Stream heat exchange；Cold fluid and hot fluid flows outside heat pipe simultaneously, since the coefficient of heat transfer that flows outside heat pipe in heat pipe much higher than flowing
The coefficient of heat transfer, the recycling for the lower thermal energy of temperature are very economical；
(3) it for the fluid more containing sundries, is blocked using the abrasion that the sieve being arranged in import can solve heat exchanger
Problem；
(4) to cooling down with mordant fluid it when, is adjusted by adjusting the heat transfer area of heat pipe condenser section and evaporator section
Whole thermotube wall temperature makes heat pipe avoid maximum corrosion area as far as possible, and the low temperature resistant corrosive nature of heat exchange of heat pipe is good, same
Under the conditions of sample fluid temperature (F.T.), wall temperature is higher, and compact-sized, small in size, light-weight, collateral resistance is small；
(5) heat pipe is tilting interior in a limited space to utilize heat pipe volume to greatest extent, further increase heat transfer efficiency；Heat
Pipe is separated into heat pipe evaporator section, heat pipe insulation section and heat pipe evaporator section by cold fluid cabinet and hot fluid cabinet, so that in heat pipe
Vapour-liquid conversion sufficiently, further improves heat exchange efficiency；
(6) heat exchange efficiency is high, and structural stability is good, and long service life is safe to use；
(7) this structure heat exchange of heat pipe occupied area is small, and adaptive temperature is wide, can be widely used for the recycling of large flow fluid waste heat, also
It can cool down as needed, heat a variety of different fluids；
(8) hot fluid is sprayed into desulfurizing tower by spray equipment after heat exchange of heat pipe cooling down and is mixed with flue gas, is reduced
Flue-gas temperature, prevents the generation of vapor in gaseous mixture, reduces exiting flue gas water capacity to the maximum extent, eliminate white
Cigarette generting machanism, while desulfurization moisturizing is decreased, save water resource；On the other hand after heat exchange of heat pipe cooling down
Fluid can be mixed sufficiently with flue gas, further improve desulfuration efficiency.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of three-stage heat pipe rotational flow heat exchanger of the present invention.
Fig. 2 is the structural schematic diagram of the left view direction of Fig. 1.
Fig. 3 is the structural schematic diagram of A-A section shown in Fig. 1.
Fig. 4 is the enlarged diagram at the position H shown in Fig. 3.
Fig. 5 is the structural schematic diagram of C-C section shown in Fig. 3.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples.
As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, a kind of three-stage heat pipe rotational flow heat exchanger, comprising: rack 1,
Relatively independent parallel cold fluid cabinet 2 and hot fluid cabinet 3, cold fluid cabinet 2 and hot fluid cabinet are provided in rack 1
It is not contacted between 3 and stays at regular intervals, the import of cold fluid cabinet 2 is provided with bore and gradually increases along fluid flow direction
Big cold fluid into horn mouth 4, the outlet of cold fluid cabinet 2 be provided with bore be gradually reduced along fluid flow direction it is cold
Fluid goes out horn mouth 5, the import of hot fluid cabinet 3 be provided with hot fluid that bore is gradually increased along fluid flow direction into
Horn mouth 6 is provided with bore in the outlet of hot fluid cabinet 3 and goes out horn mouth along the hot fluid that fluid flow direction is gradually reduced
7, when fluid passes through corresponding fluid cabinet respectively into horn mouth 6 with hot fluid into horn mouth 4 by cold fluid, the stream of fluid
Speed can slow down, to extend the heat-exchange time between the fluid in the fluid in cold fluid cabinet 2 and hot fluid cabinet 3, make cold
Fluid in fluid cabinet 2 can sufficiently exchange heat with the fluid in hot fluid cabinet 3, and then improve heat exchange efficiency；When in each runner
Fluid after heat exchange goes out horn mouth 5 by corresponding cold fluid and when hot fluid goes out horn mouth 7, and the flow velocity of fluid can add
Fastly, enable the fluid after heat exchange that heat exchanger is quickly discharged, further increase heat exchange efficiency；In hot fluid cabinet 3 and cold fluid
Fluid flow direction is provided with several heat exchange units between cabinet 2, if each heat exchange unit is made of dry heat pipe 8, every heat
Hot fluid cabinet 3 is protruded into one end of pipe 8, the other end protrudes into cold fluid cabinet 2, and every heat pipe 8 is by cold fluid tube body 2 and hot fluid
Cabinet 3 is separated into positioned at the intracorporal heat pipe evaporator section of hot fluid case, the heat pipe between hot fluid cabinet and cold fluid cabinet
Adiabatic section and be located at the intracorporal heat pipe condenser section of cold fluid case；In the present embodiment, the import of cold fluid cabinet 2 and hot-fluid
The outlet of body cabinet 3 be located at it is ipsilateral, the outlet of cold fluid cabinet 2 is located at ipsilateral, such cold fluid with the import of hot fluid cabinet 3
Cold fluid in cabinet 2 exchanges heat with the hot fluid in hot fluid cabinet 3 in reflux type, exchanges heat more abundant；
In the present embodiment, in the position that heat pipe 8 is in contact with 2 side wall of cold fluid cabinet and heat pipe 8 and hot fluid cabinet 3
The position that side wall is in contact is arranged with protection sleeve pipe 9 respectively, and the middle section of heat pipe 8 passes through each protection sleeve pipe 9 and corresponding fluid tank
Body sealing welding is mutually fixed, and can preferably protect heat pipe by protection sleeve pipe, extends the service life of heat pipe, and then extend and change
The service life of hot device entirety；In the present embodiment, the both ends of heat pipe 8 are not fixed mutually with corresponding fluid cabinet, hot in this way
The both ends of pipe can with free wxpansion so that the expansion of heat pipe will not heat exchanging device integrally cause generate damage, further extend
The service life of heat exchanger entirety；In the present embodiment, heat pipe 8 is obliquely installed on hot fluid cabinet 3 and cold fluid cabinet 2
On, this tilting mode of heat pipe can lengthen the effective length of heat pipe, improve heat exchange efficiency；
In the present embodiment, it stays at regular intervals between adjacent heat exchange unit, fluid can be made more to have when flowing in cabinet in this way
Rhythm further increases heat exchange efficiency；In the present embodiment, it is additionally provided with sieve 10 in the entrance of hot fluid cabinet 3, in this way
The block impurity in hot fluid can be stopped to enter in hot fluid cabinet, thus prevent because the intracorporal block impurity of hot-fluid into
The occurrence of entering in heat exchanger and resulting in blockage with impact failure heat pipe, further protects heat exchanger, extends heat exchanger
Whole service life；In the present embodiment, go out the outlet, cold of horn mouth 7 into the import of horn mouth 6, hot fluid in hot fluid
Fluid is respectively arranged with pipeline compensator 11 into the exit that the import of horn mouth 4, cold fluid go out horn mouth 5, in this way can be more
It protects heat exchanger whole well, further extends the service life of heat exchanger entirety；In the present embodiment, in hot fluid cabinet 3
Side wall on be provided with several inspection holes 12 and cleaning hole 13, can be convenient by inspection hole 12 and cleaning hole 13 to hot fluid case
Body 3 repairs；In the present embodiment, several reinforcement angle steel are also connected between cold fluid cabinet 2 and hot fluid cabinet 3
14, the both ends of every reinforcement angle steel 14 are mutually fixed with the outer wall of the outer wall of cold fluid cabinet 2 and hot fluid cabinet 3 respectively, are passed through
The intensity of heat exchanger entirety can effectively be enhanced by reinforcing angle steel, extend the service life of heat exchanger；
In actual use, the cold medium flowed in cold fluid cabinet 2 is generally cold water.
When work, desulfurization slurry is tangentially entered into hot fluid cabinet into horn mouth 6 with certain pressure, make desulfurization slurry from
Hot fluid tangentially enters hot fluid cabinet 3 into horn mouth 6, desulfurization slurry by hot fluid into horn mouth 6 during, encounter
It is forced to make rotary motion after loudspeaker wall, under the promotion of subsequent feed, and under the joint action of its own gravity, along wall spiral shell
Rotation travels forward, while the flow velocity of slurries can be slack-off, while cold water is also tangentially entered cold fluid into loudspeaker with certain pressure
Mouthfuls 4, so that cold water is tangentially entered cold fluid cabinet 2 from cold fluid into horn mouth 4, in cold water by cold fluid into the mistake of horn mouth 4
Cheng Zhong is forced to make rotary motion after equally encountering loudspeaker wall, under the promotion of subsequent feed, and in the collective effect of self gravity
Under, it travels forward along wall spiral, while the flow velocity of cold water also can be slack-off；Cold and hot fluid goes in the same direction in respective cabinet,
Heat transfer is come into full contact with heat pipe, completes heat transfer exchange；
During desulfurization slurry is through superheated fluid cabinet 3, desulfurization slurry can occur irregularly to revolve in hot fluid cabinet 3
It flows and exchanges heat with the evaporator section of each heat pipe 8 in hot fluid cabinet 3, it will boiling after the working medium in 8 evaporator section of heat pipe is heated
Or evaporation, steam is become from liquid, the steam of generation under the action of small pressure difference, first flows upwardly into heat pipe insulation in heat pipe
Section, then through operation pipe adiabatic section flow upward to the heat pipe condenser section in cold fluid cabinet 2 and by the pipe of heat pipe condenser section
Also the cold water that irregular eddy flow occurs in wall and cold fluid cabinet 2 exchanges heat, and cold water temperature after exchanging heat is got higher, and heat pipe cold
Steam in solidifying section can be condensed into liquid again after exchanging heat, and flow back downwards along tube wall through heat pipe insulation section under the effect of gravity
To heat pipe evaporator section, heat exchange evaporation is carried out with the desulfurization slurry in hot fluid runner again, one cycle is completed, by heat pipe
The continuous repeated evaporation and condensation process of working medium, to realize in the desulfurization slurry and cold fluid cabinet 2 in hot fluid cabinet 3
Heat transfer between cold water with exchange；
Desulfurization slurry temperature after heat pipe heat exchanging is lower and goes out horn mouth 6 from hot fluid and is discharged, and goes out loudspeaker through superheated fluid in slurries
During mouth 6, the flow velocity of slurries can become faster；And cold water will become hot water after heat pipe heat exchanging and go out horn mouth from cold fluid
5 discharges, during hot water goes out horn mouth 5 by cold fluid, the flow velocity of hot water can also become faster.
The invention has the advantages that
(1) in the process of running when single heat pipe because when the reasons such as abrasion, burn into overtemperature are destroyed, also only single heat
Tube failure, the doping without cold fluid and hot fluid occurs, high safety and reliability are applicable to changing for the fluids such as inflammable, explosive, corrosion
Thermal field closes；
(2) the completely separable flowing of the cold and hot fluid of heat exchange of heat pipe can be relatively easy to and realize the complete inverse of cold and hot fluid
Stream heat exchange；Cold fluid and hot fluid flows outside heat pipe simultaneously, since the coefficient of heat transfer that flows outside heat pipe in heat pipe much higher than flowing
The coefficient of heat transfer, the recycling for the lower thermal energy of temperature are very economical；
(3) it for the higher fluid containing sundries, is blocked using the abrasion that the sieve being arranged in import can solve heat exchanger
Problem；
(4) to cooling down with mordant fluid it when, is adjusted by adjusting the heat transfer area of heat pipe condenser section and evaporator section
Whole thermotube wall temperature makes heat pipe avoid maximum corrosion area as far as possible, and the low temperature resistant corrosive nature of heat exchange of heat pipe is good, same
Under the conditions of sample fluid temperature (F.T.), wall temperature is higher, and compact-sized, small in size, light-weight, collateral resistance is small；
(5) heat pipe is tilting interior in a limited space to utilize heat pipe volume to greatest extent, further increase heat transfer efficiency；Heat
Pipe is separated into heat pipe evaporator section, heat pipe insulation section and heat pipe evaporator section by cold fluid cabinet and hot fluid cabinet, so that in heat pipe
Vapour-liquid conversion sufficiently, further improves heat exchange efficiency；
(6) heat exchange efficiency is high, and structural stability is good, and long service life is safe to use；
(7) this structure heat exchange of heat pipe occupied area is small, and adaptive temperature is wide, can be widely used for the recycling of large flow fluid waste heat, also
It can cool down as needed, heat a variety of different fluids；
(8) hot fluid is sprayed into desulfurizing tower by spray equipment after heat exchange of heat pipe cooling down and is mixed with flue gas, is reduced
Flue-gas temperature, prevents the generation of vapor in gaseous mixture, reduces exiting flue gas water capacity to the maximum extent, eliminate white
Cigarette generting machanism, while desulfurization moisturizing is decreased, save water resource；On the other hand after heat exchange of heat pipe cooling down
Fluid can be mixed sufficiently with flue gas, further improve desulfuration efficiency.
Claims (10)
1. a kind of three-stage heat pipe rotational flow heat exchanger, comprising: rack, it is characterised in that: be provided on the rack it is relatively independent simultaneously
Capable cold fluid tube body and hot fluid cabinet, does not contact between cold fluid cabinet and hot fluid cabinet and there are space, in cold flow
The import of body cabinet is provided with cold fluid that bore is gradually increased along fluid flow direction into horn mouth, in cold fluid cabinet
Outlet is provided with bore and goes out horn mouth along the cold fluid that fluid flow direction is gradually reduced, and is arranged in the import of hot fluid cabinet
It is suitable to be provided with bore in the outlet of hot fluid cabinet into horn mouth for the hot fluid for having bore to be gradually increased along fluid flow direction
The hot fluid that is gradually reduced of fluid flow direction go out horn mouth, flowed between hot fluid cabinet and cold fluid cabinet along fluid
Direction is provided with several heat exchange units, and each heat exchange unit is made of several heat pipes, and hot fluid is protruded into one end of every heat pipe
Cabinet, the other end protrude into cold fluid cabinet, and every heat pipe is separated by cold fluid tube body and hot fluid cabinet positioned at hot fluid case
Intracorporal heat pipe evaporator section, the heat pipe insulation section between hot fluid cabinet and cold fluid cabinet and be located at cold fluid case
Intracorporal heat pipe condenser section.
2. a kind of three-stage heat pipe rotational flow heat exchanger according to claim 1, it is characterised in that: the import of cold fluid cabinet
Outlet with hot fluid cabinet is located at ipsilateral, and the outlet of cold fluid cabinet and the import of hot fluid cabinet are positioned at ipsilateral.
3. a kind of three-stage heat pipe rotational flow heat exchanger according to claim 1 or 2, it is characterised in that: in heat pipe and cold flow
The position that the position and heat pipe that body wall box is in contact are in contact with hot fluid wall box is arranged with protective case respectively
Pipe, the middle section of heat pipe is fixed by each protection sleeve pipe with corresponding fluid box side phase sealing welding.
4. a kind of three-stage heat pipe rotational flow heat exchanger according to claim 3, it is characterised in that: the both ends of heat pipe not with
Corresponding fluid cabinet is mutually fixed.
5. a kind of three-stage heat pipe rotational flow heat exchanger according to claim 1, it is characterised in that: heat pipe is obliquely installed
In on hot fluid cabinet and cold fluid cabinet.
6. a kind of three-stage heat pipe rotational flow heat exchanger according to claim 1, it is characterised in that: hot fluid cabinet with it is cold
Along fluid flow direction at least provided with two heat exchange units between fluid cabinet, there are between certain between adjacent heat exchange unit
Away from.
7. a kind of three-stage heat pipe rotational flow heat exchanger according to claim 1, it is characterised in that: hot fluid cabinet into
Sieve is additionally provided at mouthful.
8. a kind of three-stage heat pipe rotational flow heat exchanger according to claim 1, it is characterised in that: in hot fluid into horn mouth
Import, hot fluid go out that bell-mouthed outlet, cold fluid goes out bell-mouthed exit into bell-mouthed import, cold fluid and set respectively
It is equipped with pipeline compensator.
9. a kind of three-stage heat pipe rotational flow heat exchanger according to claim 1, it is characterised in that: in the side of hot fluid cabinet
Several inspection holes and cleaning hole are provided on wall.
10. a kind of three-stage heat pipe rotational flow heat exchanger according to claim 1, it is characterised in that: cold fluid cabinet with
Be also connected with several reinforcement angle steel between hot fluid cabinet, the both ends of every reinforcement angle steel respectively with the outer wall of cold fluid cabinet and
The outer wall of hot fluid cabinet is mutually fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811274737.7A CN109269330A (en) | 2018-10-30 | 2018-10-30 | A kind of three-stage heat pipe rotational flow heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811274737.7A CN109269330A (en) | 2018-10-30 | 2018-10-30 | A kind of three-stage heat pipe rotational flow heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109269330A true CN109269330A (en) | 2019-01-25 |
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ID=65195266
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| CN201811274737.7A Pending CN109269330A (en) | 2018-10-30 | 2018-10-30 | A kind of three-stage heat pipe rotational flow heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779350A (en) * | 2019-11-04 | 2020-02-11 | 北京金茂绿建科技有限公司 | Shell-and-tube heat pipe cooling tower |
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| CN110779350A (en) * | 2019-11-04 | 2020-02-11 | 北京金茂绿建科技有限公司 | Shell-and-tube heat pipe cooling tower |
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