CN108387126B - A kind of steam generator of drug fumigation in treating function - Google Patents
A kind of steam generator of drug fumigation in treating function Download PDFInfo
- Publication number
- CN108387126B CN108387126B CN201810219228.8A CN201810219228A CN108387126B CN 108387126 B CN108387126 B CN 108387126B CN 201810219228 A CN201810219228 A CN 201810219228A CN 108387126 B CN108387126 B CN 108387126B
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- flue gas
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- 239000003814 drug Substances 0.000 title claims abstract description 9
- 229940079593 drug Drugs 0.000 title claims abstract description 9
- 238000003958 fumigation Methods 0.000 title claims abstract description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000003546 flue gas Substances 0.000 claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 230000008020 evaporation Effects 0.000 claims abstract description 29
- 238000001704 evaporation Methods 0.000 claims abstract description 29
- 239000007789 gas Substances 0.000 claims abstract description 14
- 230000005494 condensation Effects 0.000 claims abstract description 12
- 238000009833 condensation Methods 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims description 26
- 239000002737 fuel gas Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 26
- 239000000463 material Substances 0.000 abstract description 12
- 238000009826 distribution Methods 0.000 description 27
- 238000004088 simulation Methods 0.000 description 14
- 238000002474 experimental method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 241000826860 Trapezium Species 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 238000005457 optimization Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000004781 supercooling Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 208000017667 Chronic Disease Diseases 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 210000004262 dental pulp cavity Anatomy 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 238000005303 weighing Methods 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
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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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Sustainable Energy (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention provides a kind of steam generators of drug fumigation in treating function, including water tank and heat pipe, the water tank includes water inlet and steam (vapor) outlet, the heat pipe includes the first vertical portion, horizontal component and the second vertical portion, wherein the bottom end of the first vertical portion is connected to horizontal component, the horizontal component lower part is connected to multiple vertical pipes, wherein the second vertical portion is the evaporation ends of heat pipe, first vertical portion is the condensation end of heat pipe, first vertical portion extend into water tank bottom, and second vertical portion and horizontal component are arranged in heat source；It is characterized in that, first vertical portion is the more condenser pipes for extending to water tank bottom, along flow of flue gas direction, the spacing between the condenser pipe is smaller and smaller.The present invention is different by the spacing being arranged between condenser pipe in the different location of exhaust gases passes, so that along flow of flue gas direction, the heat absorption capacity of condenser pipe constantly declines, be adapted with the heat absorption capacity of vertical pipe, thus make along flow of flue gas direction so that integral heat pipe temperature keeps essentially identical, to improve whole heat exchange efficiency, material is saved, local damage caused by non-uniform temperature is avoided, extends the service life of heat pipe.
Description
Technical field
The present invention relates to a kind of hot pipe technique more particularly to a kind of evaporators of the heat pipe of Novel structure.
Background technique
Hot pipe technique is George Ge Luofo of U.S. Los Alamos (Los Alamos) National Laboratory in 1963
One kind of (George Grover) invention is known as the heat transfer element of " heat pipe ", it takes full advantage of heat-conduction principle and phase transformation is situated between
The heat of thermal objects is transmitted to outside heat source rapidly by the quick thermal transport property of matter through heat pipe, and the capacity of heat transmission is more than to appoint
The capacity of heat transmission of what known metal.
The industries such as aerospace, military project were widely used in front of hot pipe technique, since being introduced into radiator manufacturing, so that
People change the mentality of designing of traditional heat sinks, get rid of the list for obtaining more preferable heat dissipation effect by high air quantity motor merely
One radiating mode makes radiator obtain satisfied heat transfer effect using hot pipe technique, opens heat dissipation industry new world.At present
Heat pipe is widely used in various heat exchange equipments, including power domain, such as the UTILIZATION OF VESIDUAL HEAT IN of power plant etc..
Evaporator is the mechanical equipment for water being heated as using the thermal energy of fuel or other energy steam.Evaporator application
Field is extensive, is widely used in clothing factory, drycleaner's, restaurant, steamed bun shop, dining room, dining room, factories and miness, the places such as Bean Products Factory.At present
Evaporator be also widely used in the treatment of various diseases, be particularly applied to muscle, ligament etc. because of aging and old damage
The treatment of caused chronic disease, such as CN2167709Y patent, but at present in the prior art, such as CN2167709Y special
Benefit, because directly generating steam by heating, the vapor (steam) temperature that will lead to generation is excessively high, and will lead in the steam of generation
Excess moisture, and drug is because be that particle it is possible that will appear is deposited on lower part, effective component contains in the steam sprayed
Measure too low, and temperature is excessively high, and intelligence degree is not high in the prior art, can not carry out effective intelligent operation.
In the prior art, when heat pipe in evaporator, the shape of heat pipe affects the endotherm area of evaporation ends, because
This general evaporation ends heat absorption range is smaller, sometimes needs that multiple heat pipes are arranged in heat source to meet heat absorption demand；And
More evaporation ends there are when, each evaporation ends or condensation end can generate heat absorption because the position in heat source or cold source is different
Non-uniform phenomenon.
In view of the above-mentioned problems, the present invention is improved on the basis of invention in front, a kind of new heat pipe knot is provided
The evaporator of structure makes full use of heat source, reduces energy consumption, improves smoke discharging effect.
Summary of the invention
In view of the above-mentioned problems, the present invention is improved on the basis of invention in front, a kind of new heat pipe knot is provided
Structure evaporator, to realize making full use of for waste heat.
To achieve the goals above, technical scheme is as follows:
A kind of heat pipe steam generator, including water tank and heat pipe, the water tank include water inlet and steam (vapor) outlet, the heat
Pipe includes the first vertical portion, horizontal component and the second vertical portion, wherein the bottom end of the first vertical portion is connected to horizontal component,
The horizontal component lower part is connected to multiple vertical pipes, wherein the second vertical portion is the evaporation ends of heat pipe, the first vertical portion is
The condensation end of heat pipe, first vertical portion extend into water tank bottom, and second vertical portion and horizontal component setting exist
In heat source；First vertical portion is the more condenser pipes for extending to water tank bottom, along flow of flue gas direction, the condensation
Spacing between pipe is increasing.
Preferably, along the flow direction of flue gas, the increasing amplitude of spacing between the condenser pipe is continuous
Increase.
Preferably, the heat source is flue gas.
Preferably, medical fluid is arranged in the water tank.
Preferably, the heat source is the thermal energy that fuel gas buring generates.
Preferably, the second vertical portion includes multiple vertical pipes, the horizontal component is flat tube structure, and vertical pipe is
Circular tube structure, horizontal component are square structure；The vertical pipe is multiple rows of, wherein adjacent two rows are to be staggered in arrangement；Vertical pipe
The center of circle and adjacent row two closed on the vertical pipe center of circle constitute isosceles triangle, the center of circle of the vertical pipe is located at isosceles three
The position of the point of angular apex angle.
Preferably, the vertical pipe be it is multiple, along the flow direction of flue gas, the caliber of the vertical pipe is increasingly
It is small.
Preferably, the amplitude that the caliber of the vertical pipe is smaller and smaller constantly increases along the flow direction of flue gas.
Preferably, the length of horizontal component is L, along flow of flue gas direction, heat pipe tail portion along flow of flue gas direction
The caliber of vertical pipe be DTail, then apart from heat pipe tail portion, distance is that the vertical pipe caliber D rule of the position l is as follows: D2=b*(DTail)2+
C*(DTail)2* (l/L)a, wherein a, b, c are coefficients, meet following require:
1.085 < a < 1.125,0.985 <b+c < 1.015,0.485 <b < 0.645.
Preferably, second vertical portion is arranged in exhaust gases passes.
Preferably, the outer diameter of vertical pipe is d, the distance between adjacent vertical pipe center of circle of same row is L, vertical pipe
The center of circle and adjacent row two closed on the vertical pipe center of circle constitute isosceles triangle apex angle be A, then meet claimed below:
Sin(A)=a* (d/L)2- b* (d/L)+c, wherein a, b, c are parameters, meet following require:
1.03<a<1.09,1.73<b<1.74；0.895<c<0.906,0.1< d/L<0.7.
Preferably, a=1.07, b=1.735, c=0.901.
Preferably, 0.3 < d/L < 0.5.
Preferably, gradually becoming smaller with d/L, a is increasing, and b is smaller and smaller, and c is increasing.
Preferably, the vertical pipe and horizontal component are arranged in exhaust gases passes；The vertical pipe be it is multiple, along
The distribution density of the flow direction of flue gas, the vertical pipe is smaller and smaller.
Along flow of flue gas direction, the length of horizontal component is L, along flow of flue gas direction, the vertical pipe of heat pipe tail portion
Density be MTail, then apart from heat pipe tail portion, distance is that the vertical pipe density M rule of the position l is as follows: M=b*MTail+c*MTail* (l/L)a,
Wherein a, b, c are coefficients, meet following require:
1.083 < a < 1.127,0.982 <b+c < 1.019,0.483 <b < 0.648.
Preferably, a is gradually reduced as l/L increases.
Preferably, 1.09 < a < 1.11, b+c=1,0.543 <b < 0.578；
Preferably, the amplitude that the distribution density of the vertical pipe is smaller and smaller is continuous along the flow direction of flue gas
Increase.
Compared with prior art, the present invention has the advantage that:
1) present invention is different by the spacing being arranged between condenser pipe in the different location of exhaust gases passes, so that along cigarette
The heat absorption capacity in flow of air direction, condenser pipe constantly declines, and is adapted with the heat absorption capacity of vertical pipe, thus make along flue gas
So that integral heat pipe temperature keeps essentially identical, to improve whole heat exchange efficiency, material is saved, temperature is avoided in flow direction
Local damage caused by degree is uneven, extends the service life of heat pipe.
2) present invention improves the structure of the evaporation ends of the heat pipe in evaporator, and the evaporation ends of heat pipe are extended to
Farther direction, in the case where not changing the condensation end volume of heat pipe, so that the endotherm area of the evaporation ends of heat pipe increases, this
Sample can expand the heat absorption range of heat pipe, and the heat of heat source distalmost end can be absorbed.Heat pipe evaporation in compared with the existing technology
End and condensation end are consistent size.The volume and occupied area for reducing heat exchanger simultaneously, so that compact-sized.
3) it the present invention provides a kind of evaporator of new heat pipe structure, is carried out by the structure of the evaporation ends of opposite heat tube
It improves, keeps it different according to the vertical pipe density of different positions, be capable of the absorption of further satisfaction heat, improve exhaust-heat absorption
Ability.
4) research of a large amount of numerical simulation and experiment has been carried out, distributed architecture of the opposite heat tube in UTILIZATION OF VESIDUAL HEAT IN carries out
Optimal structure, and the best relative formula that heat pipe is distributed is obtained by research, the distribution of heat pipe is further increased, reaches best
Heat absorption, reduce cost.
5) communicating pipe is arranged in adjacent evaporation ends in the present invention, pressure can be caused different in the heated difference of vertical pipe
In the case of, the fluid in evaporation ends that pressure can be made big quickly flows to the small evaporation ends of pressure, to keep whole pressure
Power is balanced, avoids hot-spot or supercooling.
Detailed description of the invention
Fig. 1 is steam generator first embodiment schematic diagram of the present invention.
Fig. 2 is steam generator second embodiment schematic diagram of the present invention.
Fig. 3 is heat pipe structure schematic diagram of the present invention.
Fig. 4 is schematic diagram of the Fig. 3 from bottom.
Fig. 5 is the heat pipe partial structural diagram of present invention setting communicating pipe.
Fig. 6 is steam generator 3rd embodiment schematic diagram of the present invention.
Fig. 7 is the partial enlargement mark schematic diagram of Fig. 4.
Fig. 8 is Fig. 3 left view of the present invention, i.e. vertical portion preferred embodiment schematic diagram.
Fig. 9 is Fig. 3 of the present invention one schematic diagram of improved preferred embodiment.
Figure 10 is another schematic diagram of the improved preferred embodiment of Fig. 3 of the present invention.
In figure: 10- heat pipe, 101- vertical portion, 102- horizontal component, 103- vertical pipe, 104- round tube, 105- water tank,
106- heat source passages, 107- communicating pipe, 108- water inlet, 109- steam (vapor) outlet, 110- condenser pipe.
Specific embodiment
Specific embodiments of the present invention will be described in detail with reference to the accompanying drawing.
Herein, if without specified otherwise, it is related to formula, "/" indicates that division, "×", " * " indicate multiplication.
Specific embodiments of the present invention will be described in detail with reference to the accompanying drawing.
If Fig. 1-8 discloses a kind of steam generator using heat pipe, the steam generator includes water tank 105 and heat pipe
10, the water tank 105 includes water inlet 108 and steam (vapor) outlet 109, and the heat pipe includes vertical portion 101, horizontal component 102
With vertical pipe 103, wherein the bottom end of vertical portion 101 is connected to horizontal component 102, and the horizontal component 102 is from vertical portion 101
Bottom end extend away from the direction of vertical portion 101,102 lower part of horizontal component is connected to multiple vertical pipes 103, wherein
Vertical pipe 103 is the evaporation ends of heat pipe, and vertical portion 101 is the condensation end of heat pipe.The vertical portion 101 extend into water tank
105 bottoms, for the liquid in heating water tank.The vertical pipe 103 and horizontal component 102 are arranged in heat source.
Evaporator of the present invention absorbs heat in operation, by vertical pipe 103 from heat source, then in vertical pipe 103
Fluid is evaporated, and enters vertical portion by horizontal component, then rejects heat to the water in water tank in vertical portion,
Fluid is condensed, and enters back into vertical pipe 103 by the effect of gravity.
Evaporator of the present invention is improved by the way that the structure of the evaporation ends of heat pipe is arranged, and the evaporation ends of heat pipe are extended to
Farther direction, in the case where not changing the condensation end volume of heat pipe, so that the endotherm area of the evaporation ends of heat pipe increases, this
Sample can expand the heat absorption range of heat pipe, and the heat of heat source distalmost end can be absorbed.Heat pipe evaporation in compared with the existing technology
End and condensation end are consistent size, can be improved 45% or more heat exchange efficiency.Volume and the land occupation face of condensation end are reduced simultaneously
Product, so that compact-sized.
Preferably, the heat source is flue.
Preferably, the heat source is the thermal energy that fuel gas buring generates.
Preferably, directly the setting of vertical pipe 103 is heated in the burner.
Preferably, medical fluid is arranged in the water tank.The evaporator is a kind of evaporator of drug fumigation in treating function.
Preferably, the steam generated is directly gone out from steam (vapor) outlet 109.
Alternatively, the evaporator further includes medical fluid evaporation tank, and the medical fluid evaporation tank passes through pipeline and water
Case 105 is connected to, and atomizer is arranged in the medical fluid evaporation tank, and steam (vapor) outlet is arranged in the medical fluid evaporation tank.
Drug is set in the water tank, the drug immersion in water, in use, being added in water tank by heat pipe
Hot water, by water come Heating Drug, to generate medical fluid in water tank 105.The medical fluid of generation enters medical fluid evaporation by pipeline
It in case, and is atomized in medical fluid evaporation tank, is then discharged by steam (vapor) outlet.Steam (vapor) outlet can be directly against patient's
Sick position discharge, for treating.
Preferably, the heat source is flue gas.The vertical pipe 103 is arranged in exhaust gases passes.
The vertical pipe be it is multiple, along the flow direction of flue gas, the distribution density of the vertical pipe is smaller and smaller.?
Numerical simulation and it was found that, along flue gas flow direction, the received heat of vertical pipe is smaller and smaller, and different location
The temperature of vertical pipe is also different, to cause local heating uneven.Since with the continuous heat exchange of flue gas, the temperature of flue gas
Also constantly declining, exchange capability of heat is caused also to decline, therefore, the present invention is arranged perpendicular by the different location in exhaust gases passes
The density of straight tube is different, thus make along flow of flue gas direction, the heat absorption capacity of vertical pipe constantly declines, so that whole
Heat pipe temperature keeps essentially identical, to improve whole heat exchange efficiency, saves material, avoids part caused by non-uniform temperature
Damage, extends the service life of heat pipe.
Preferably, the amplitude that the distribution density of the vertical pipe is smaller and smaller is continuous along the flow direction of flue gas
Increase.As the variation of vertical pipe distribution density, the present invention has carried out a large amount of numerical simulation and experiment, to obtain above-mentioned
The changing rule of vertical pipe distribution density.By above-mentioned changing rule, material can be saved, while 9% or so can also be improved
Heat exchange efficiency.
Preferably, the diameter and length of each vertical pipe 103 are identical.
Preferably, the length of horizontal component 102 is L, along flow of flue gas direction, heat pipe along flow of flue gas direction
The density of the vertical pipe 103 of 10 tail portions is MTail, then apart from 10 tail portion of heat pipe, distance is that the vertical pipe density M rule of the position l is as follows:
M=b*MTail+c*MTail* (l/L)a, wherein a, b, c are coefficients, meet following require:
1.083 < a < 1.127,0.982 <b+c < 1.019,0.483 <b < 0.648.
Preferably, a is gradually reduced as l/L increases.
Preferably, 1.09 < a < 1.11, b+c=1,0.543 <b < 0.578；
The formula of above-mentioned optimization is obtained with numerical simulation through a large number of experiments, enables to the vertical pipe of heat pipe
The distribution of being optimal of distribution density, can uniform heat distribution, good effect of heat exchange on the whole, while material can be saved.
Preferably, the setting of vertical portion 101 is in the air passageway.By warmed up air passage, so that the air of heating is direct
For burning.
Preferably, the vertical pipe be it is multiple, along the flow direction of flue gas, the caliber of the vertical pipe is increasingly
It is small.Numerical simulation and it was found that, along flue gas flow direction, the received heat of vertical pipe is smaller and smaller, and different
The temperature of the vertical pipe of position is also different, to cause local heating uneven.Since with the continuous heat exchange of flue gas, flue gas
Temperature also constantly declining, cause exchange capability of heat also declining, therefore, the present invention passes through the different location in exhaust gases passes
The caliber that vertical pipe is arranged is different, thus make along flow of flue gas direction, the heat absorption capacity of vertical pipe constantly declines, to make
It obtains integral heat pipe temperature and keeps essentially identical, to improve whole heat exchange efficiency, save material, non-uniform temperature is avoided to cause
Local damage, extend the service life of heat pipe.
Preferably, the amplitude that the caliber of the vertical pipe is smaller and smaller constantly increases along the flow direction of flue gas.
As the variation of vertical pipe caliber, the present invention has carried out a large amount of numerical simulation and experiment, to obtain above-mentioned vertical pipe pipe
The changing rule of diameter.By above-mentioned changing rule, material can be saved, while 8% or so heat exchange efficiency can also be improved.
Preferably, the distribution density and length of all vertical pipes 103 are all identical.
Along flow of flue gas direction, the length of horizontal component is L, along flow of flue gas direction, the vertical pipe of heat pipe tail portion
Caliber be DTail, then apart from heat pipe tail portion, distance is that the vertical pipe caliber D rule of the position l is as follows:
D2=b*(DTail)2+ c*(DTail)2* (l/L)a, wherein a, b, c are coefficients, meet following require:
1.085 < a < 1.125,0.985 <b+c < 1.015,0.485 <b < 0.645.
Preferably, a is gradually reduced as l/L increases.
Preferably, 1.093 < a < 1.106, b+c=1,0.548 <b < 0.573；
The formula of above-mentioned optimization is obtained with numerical simulation through a large number of experiments, enables to the vertical pipe of heat pipe
The distribution of being optimal of distribution density, can uniform heat distribution, good effect of heat exchange on the whole, while material can be saved.
Preferably, as shown in figure 8, the vertical portion 101 includes the more condenser pipes 110 for extending to water tank bottom.
By the way that more root canal are arranged, the heat dissipation area of condensation end of heat pipe can be further expanded, heat exchange efficiency is improved.
Preferably, as shown in Figure 10, along flow of flue gas direction, the spacing between the condenser pipe 110 is increasing.
Numerical simulation and it was found that, along flue gas flow direction, the received heat of vertical pipe is smaller and smaller, and with flue gas
Continuous heat exchange, the temperature of flue gas also constantly declining, cause exchange capability of heat also declining, therefore, the present invention by
Spacing between the different location setting condenser pipe of exhaust gases passes is different, so that along flow of flue gas direction, the heat absorption of condenser pipe
Ability constantly declines, and is adapted with the heat absorption capacity of vertical pipe, thus make along flow of flue gas direction so that overall thermal tube temperature
Degree keeps essentially identical, to improve whole heat exchange efficiency, saves material, avoids local damage caused by non-uniform temperature,
Extend the service life of heat pipe.
Preferably, along the flow direction of flue gas, the increasing amplitude of spacing between the condenser pipe 110 is continuous
Increase.As the variation of the spacing between condenser pipe, the present invention has carried out a large amount of numerical simulation and experiment, to obtain
The changing rule for the condenser pipe distribution density stated, and be adapted with the variation of vertical pipe.It, can by above-mentioned changing rule
Save material, while the heat exchange efficiency that can also be further increased.
Preferably, the caliber of the condenser pipe 110 is smaller and smaller along flow of flue gas direction.In numerical simulation and reality
Middle discovery is tested, along the flow direction of flue gas, the received heat of vertical pipe is smaller and smaller, and with the continuous heat exchange of flue gas,
The temperature of flue gas is also constantly declining, and exchange capability of heat is caused also to decline, and therefore, the present invention passes through the difference in exhaust gases passes
The caliber that condenser pipe is arranged in position is different, and vertical so that the heat absorption capacity of condenser pipe constantly declines along flow of flue gas direction
The heat absorption capacity of pipe is adapted, thus make along flow of flue gas direction so that integral heat pipe temperature keeps essentially identical, thus
Whole heat exchange efficiency is improved, material is saved, avoids local damage caused by non-uniform temperature, extend the service life of heat pipe.
Preferably, the amplitude that the caliber of the condenser pipe 110 is smaller and smaller constantly increases along the flow direction of flue gas
Add.As the variation of condenser pipe caliber, the present invention has carried out a large amount of numerical simulation and experiment, to obtain above-mentioned condenser pipe
The changing rule of distribution density, and be adapted with the variation of vertical pipe.By above-mentioned changing rule, material can be saved,
The heat exchange efficiency that can also be further increased simultaneously.
Preferably, as shown in figure 9, along flow of flue gas direction, the length for extending to water tank 105 of the condenser pipe 110
It spends smaller and smaller.
Preferably, the amplitude that the length of the condenser pipe 110 is smaller and smaller constantly increases along the flow direction of flue gas
Add.The variation of above-mentioned rule and the distribution density diameter change of front are similar, are all in the flow direction along flue gas, reduction is changed
Heat area so that the heat absorption capacity of condenser pipe constantly declines along flow of flue gas direction, be applicable in heat exchange quantity gradually under
Drop.
Preferably, the round tube 104 divides for top under as shown in Figure 1, the heat pipe 10 is arranged in round tube 104
Portion's two parts, top are water tank 105, and lower part is exhaust gases passes 106.It, can be by heat pipe and heat exchange by above-mentioned setting
Fluid is all provided entirely in round tube pipeline, can make full use of exterior space in this way, is achieved the purpose that compact-sized.
Preferably, as shown in Figure 1, the sectional area on the top is the 50-80% of lower section product, further preferably
60-70%.By above-mentioned area distributions, the heat absorption of heat pipe and heat dissipation can be made to achieve the purpose that uniformly to coordinate.
Preferably, the vertical portion 101 of the heat pipe 10 is close as shown in Figure 1, two heat pipes are arranged in the round tube
Setting.
Preferably, the distance between the opposite face of vertical portion 101 is heat pipe vertical portion width (heat pipe in Fig. 3
The distance of vertical portion in left and right directions be width) 20-40%, preferably 30%.
Fig. 2 illustrates the embodiment of second distribution of the heat pipe in flue.As shown in Fig. 2, the air duct is
Trapezium structure.The upper bottom of trapezium structure is located at the top of vertical portion 101, and bottom is the upper wall surface of exhaust gases passes.Pass through setting
New-type trapezium structure shown in Fig. 2, can be further improved heat exchange efficiency.Because the vertical portion with heat pipe is upward, heat
The vertical portion of pipe constantly participates in exchanging heat, therefore vertical portion temperature of lower highest, by the way that trapezium structure is arranged, can make
Lower air flow is more, and upper air flow is few, achievees the purpose that uniform heat exchange.And by setting trapezium structure, can make
External structure it is compact, exterior space may be implemented to make full use of.Such as other portions can be arranged in the position of trapezium structure waist
Part, such as pipeline.
Preferably, the upper bottom of the trapezium structure is the 40-60% of bottom, it is further preferred that 50%.
Preferably, it is described it is trapezoidal be isosceles trapezoid.
Further preferably, the trapezoidal bottom and kidney-shaped at angle be 29-67 °, preferably 40-50 °.
By above-mentioned structure optimization, uniform and heat exchange efficiency the raising of heat exchange can be realized to the full extent.
Fig. 6 illustrates the embodiment of third distribution of the heat pipe in flue.As shown in fig. 6, the water tank is rectangle
Structure.The upper bottom of rectangular configuration is located at the top of vertical portion 101, and bottom is a part of the upper wall surface of exhaust gases passes.Pass through
New-type rectangular configuration shown in fig. 6 is set, it can be with further such that external structure is compact, abundant benefit be may be implemented in exterior space
With.Such as other component, such as pipeline can be arranged in the position outside rectangular configuration.
Preferably, the long side of the rectangular configuration is parallel with vertical portion.
Preferably, the long side of rectangular configuration is 1.5-3 times of short side, preferably 2 times.
Preferably, the short side of rectangular configuration is 0.6-0.8 times of 106 radius of exhaust gases passes, preferably 0.72 times.Pass through
Above-mentioned structure optimization can realize the raising of heat exchange efficiency to the full extent.
In addition, evaporation ends of the present invention by the multiple vertical pipes 103 of setting as heat pipe, so that each vertical pipe 103 is made
The absorption of heat is added for independent absorbing pipe one by one, also increases the endotherm area of integral heat pipe evaporation ends.
Preferably, the horizontal component 102 is flat tube structure, vertical pipe 103 is circular tube structure.It is horizontal by setting
Part is flat tube structure, can increase the distribution of vertical pipe 103, further increase the absorption of heat.
Further preferably, horizontal component 102 is square structure.
Preferably, as shown in figure 4, the vertical pipe 103 is multiple rows of, wherein adjacent two rows are to be staggered in arrangement.Pass through
It is staggered in arrangement, can be further improved the caloric receptivity of heat pipe.
Preferably, vertical pipe 103 is located at the extension of the middle line of the center of circle connecting line segment of the adjacent upright pipe 103 of adjacent row
On line.I.e. two closed on vertical pipe, 103 center of circle in the center of circle of vertical pipe 103 and adjacent row constitutes isosceles triangle, described perpendicular
The center of circle of straight tube is located at the position of the point of isosceles triangle apex angle.
Preferably, as shown in figure 5, communicating pipe 107 is arranged between at least two adjacent vertical pipes 103.Under study for action
It was found that during vertical section heat absorption, it may appear that the absorption heat of the absorbing pipe of different location is different, leads to vertical pipe 103
Between pressure or temperature it is different, will lead to straightened portion pipe 103 in this way and be heated excessively high, cause the lost of life, once one
Vertical pipe 103 goes wrong, and may cause the problem of entire heat pipe is not available.The present invention, which passes through, largely to be studied,
Communicating pipe 107 is arranged in adjacent vertical pipe, can make in the case where vertical pipe is heated different to cause pressure different
Fluid in the big vertical pipe 103 of pressure quickly flows to the small vertical pipe 103 of pressure, to keep integral pressure balanced, keeps away
Exempt from hot-spot or supercooling.
Preferably, multiple companies are arranged between adjacent vertical pipe 103 from 103 lower part of vertical pipe to 103 top of vertical pipe
Siphunculus 107.By the way that multiple communicating pipes are arranged, fluid continuous counterpressure in heat absorption evaporation process is enabled to, is guaranteed whole
Pressure in a vertical pipe is balanced.
Preferably, constantly subtracting the distance between adjacent communicating pipe 107 from 103 lower part of vertical pipe to 103 top of vertical pipe
It is small.This purpose is in order to which more communicating pipes are arranged, because of flowing up with fluid, fluid is constantly heated, with stream
Body is constantly heated, heated more and more uneven in different thermal-collecting tubes, therefore by above-mentioned setting, can guarantee in fluid stream
Reach pressure equilibrium during dynamic as soon as possible.
Preferably, constantly reducing the distance between adjacent communicating pipe from 103 lower part of vertical pipe to 103 top of vertical pipe
Amplitude it is increasing.It is found through experiments that, above-mentioned setting, can guarantee more excellent in process fluid flow to reach pressure faster
Power is balanced.This is also the optimal mode of communicating got and largely studying pressure changes in distribution rule.
Preferably, from 103 lower part of vertical pipe to 103 top of vertical pipe, the diameter of communicating pipe 107 is continuously increased.This mesh
Be to be arranged and guarantee bigger connection area, because of flowing up with fluid, fluid is constantly heated, with fluid
It is continuous heated, it is heated more and more uneven in different thermal-collecting tubes, therefore by above-mentioned setting, it can guarantee to flow in fluid
Reach pressure equilibrium as soon as possible in the process.
Preferably, from 103 lower part of vertical pipe to 103 top of vertical pipe, the ever-increasing amplitude of the diameter of communicating pipe 107
It is increasing.It is found through experiments that, above-mentioned setting, can guarantee that more excellent in process fluid flow to reach pressure equal faster
Weighing apparatus.This is also the optimal mode of communicating got and largely studying pressure changes in distribution rule.
By numerical simulation and experiment discovery, the distance between vertical pipe 103, distance and adjacent row including same row it
Between distance cannot be too small, it is too small to will lead to that heat pipe distribution is excessive, cause the caloric receptivity of every heat pipe insufficient, it is excessive to will lead to heat
Pipe distribution is very little, causes heat pipe to overheat, therefore the application sums up by a large amount of numerical simulation and experiment and carrys out heat pipe vertical pipe
The distribution of the optimization of 103 distributions, the deficiency so that heat pipe can neither recept the caloric, and it is excessive to recept the caloric.
As shown in fig. 7, the outer diameter of vertical pipe 103 is d, the distance between adjacent 103 center of circle of vertical pipe of same row is
The apex angle that L, the center of circle of vertical pipe 103 and two closed on vertical pipe, 103 center of circle of adjacent row constitute isosceles triangle is A, then
Meet claimed below:
Sin(A)=a* (d/L)2- b* (d/L)+c, wherein a, b, c are parameters, meet following require:
1.03<a<1.09,1.73<b<1.74；0.895<c<0.906,0.1< d/L<0.7.
Preferably, a=1.07, b=1.735, c=0.901.
Preferably, gradually becoming smaller with d/L, a is increasing, and b is smaller and smaller, and c is increasing.
Preferably, 15 ° < A < 80 °.
Further preferably, 20 ° < A < 40 °.
Further preferably, 0.3 < d/L < 0.5.
Above-mentioned empirical equation is obtained by a large amount of numerical simulations and experiment, the structure obtained by above-mentioned relation formula, energy
It is enough to realize the heat pipe structure optimized, and pass through verification experimental verification, error is substantially within 3%.
The heat absorption capacity 900-1100W of heat pipe, further preferably 1000W；
90-110 degrees Celsius of the temperature of flue gas, further preferably 100 DEG C.
Heat pipe horizontal component shown in Fig. 3 is preferably square, side length be 400-600 millimeters, further preferably 500
Millimeter.
103 outside diameter d of vertical pipe is 9-12 millimeters, further preferably 11mm.
Preferably, as shown in figure 4, including two heat pipes, the horizontal component 102 of described two heat pipes in the system
It is respectively facing opposite direction and extends by two symmetrical heat pipes of setting, can absorb heat in different directions, meet heat exchange
Demand.
Although the present invention has been disclosed in the preferred embodiments as above, present invention is not limited to this.Any art technology
Personnel can make various changes or modifications, therefore protection scope of the present invention is answered without departing from the spirit and scope of the present invention
When being defined by the scope defined by the claims..
Claims (8)
1. a kind of steam generator of drug fumigation in treating function, including water tank and heat pipe, medical fluid is set in the water tank, it is described
Water tank includes water inlet and steam (vapor) outlet, and the heat pipe includes the first vertical portion, horizontal component and the second vertical portion, wherein
The bottom end of first vertical portion is connected to horizontal component, and the horizontal component lower part is connected to multiple vertical pipes, wherein the second vertical portion
It point is the evaporation ends of heat pipe, the first vertical portion is the condensation end of heat pipe, and first vertical portion extend into water tank bottom, institute
It states the second vertical portion and horizontal component is arranged in heat source；It is extended to it is characterized in that, first vertical portion is more
The condenser pipe of water tank bottom, along flow of flue gas direction, the spacing between the condenser pipe is increasing；Along flow of flue gas side
To the length of horizontal component is L, and along flow of flue gas direction, the caliber of the vertical pipe of heat pipe tail portion is DTail, then apart from heat pipe tail
Portion's distance is that the vertical pipe caliber D rule of the position l is as follows: D2=b*(DTail)2+ c*(DTail)2* (l/L)a, wherein a, b, c are coefficients,
Meet following require:
1.085 < a < 1.125,0.985 <b+c < 1.015,0.485 <b < 0.645.
2. steam generator as described in claim 1, which is characterized in that along the flow direction of flue gas, the condenser pipe it
Between the increasing amplitude of spacing constantly increase.
3. steam generator as described in claim 1, which is characterized in that the heat source is flue gas.
4. steam generator as described in claim 1, which is characterized in that the heat source is the thermal energy that fuel gas buring generates.
5. steam generator as described in claim 1, which is characterized in that the second vertical portion includes multiple vertical pipes, described
Horizontal component is flat tube structure, and vertical pipe is circular tube structure, and horizontal component is square structure；The vertical pipe be it is multiple rows of,
Wherein adjacent two rows are to be staggered in arrangement；The center of circle of vertical pipe and two closed on the vertical pipe center of circle of adjacent row constitute isoceles triangle
Shape, the center of circle of the vertical pipe are located at the position of the point of isosceles triangle apex angle.
6. steam generator as described in claim 1, which is characterized in that the vertical pipe be it is multiple, along the stream of flue gas
Dynamic direction, the caliber of the vertical pipe are smaller and smaller.
7. steam generator as claimed in claim 6, which is characterized in that along the flow direction of flue gas, the vertical pipe
The smaller and smaller amplitude of caliber constantly increases.
8. steam generator as described in claim 1, which is characterized in that second vertical portion is arranged in exhaust gases passes
In.
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| CN201810219228.8A CN108387126B (en) | 2018-03-16 | 2018-03-16 | A kind of steam generator of drug fumigation in treating function |
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| CN201810219228.8A CN108387126B (en) | 2018-03-16 | 2018-03-16 | A kind of steam generator of drug fumigation in treating function |
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|---|---|---|---|---|
| CN104180677A (en) * | 2013-12-09 | 2014-12-03 | 山东大学 | Cement rotary kiln waste heat exchanger with different tube bundle projection densities |
| CN106500536A (en) * | 2016-12-30 | 2017-03-15 | 张海娟 | Heat-pipe radiator |
| CN107270747A (en) * | 2017-05-11 | 2017-10-20 | 中国北方车辆研究所 | A kind of burner exhaust heat of heat exchange structure spacing change utilizes heat-exchanger rig |
| CN207407722U (en) * | 2017-08-20 | 2018-05-25 | 程长春 | Heat pipe heat exchanger unit |
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2018
- 2018-03-16 CN CN201810219228.8A patent/CN108387126B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180677A (en) * | 2013-12-09 | 2014-12-03 | 山东大学 | Cement rotary kiln waste heat exchanger with different tube bundle projection densities |
| CN106500536A (en) * | 2016-12-30 | 2017-03-15 | 张海娟 | Heat-pipe radiator |
| CN107270747A (en) * | 2017-05-11 | 2017-10-20 | 中国北方车辆研究所 | A kind of burner exhaust heat of heat exchange structure spacing change utilizes heat-exchanger rig |
| CN207407722U (en) * | 2017-08-20 | 2018-05-25 | 程长春 | Heat pipe heat exchanger unit |
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