CN110067995A - A kind of vapor heat exchanger of pipeline connection - Google Patents
A kind of vapor heat exchanger of pipeline connection Download PDFInfo
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- CN110067995A CN110067995A CN201811169871.0A CN201811169871A CN110067995A CN 110067995 A CN110067995 A CN 110067995A CN 201811169871 A CN201811169871 A CN 201811169871A CN 110067995 A CN110067995 A CN 110067995A
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- steam pipe
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- temperature
- pipe
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Classifications
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- 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
- F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
- F22B1/284—Methods of steam generation characterised by form of heating method in boilers heated electrically with water in reservoirs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/10—Water tubes; Accessories therefor
-
- 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
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
- F28D7/163—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing
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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
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The present invention provides a kind of vapor heat exchangers, including header and steam pipe, the steam pipe is upwardly extended from header, and the header setting steam inlet and condensation-water drain, steam enter header, then steam pipe is flowed up into from header, condensed water is formed after steam pipe and external progress heat exchange, then returns to header under gravity, then from the water return outlet outflow of collection lower box part, the steam pipe is more, and communicating pipe is arranged between at least two adjacent steam pipes；From steam pipe lower part to steam pipe top, are set between adjacent steam pipe, from steam pipe lower part to steam pipe top, the diameter of communicating pipe is continuously increased multiple communicating pipes.Because the continuous heat release of fluid, with the continuous heat release of fluid, the heat release in different thermal-collecting tubes is more and more uneven, therefore by above-mentioned setting with flowing up for fluid, can guarantee to reach pressure equilibrium as soon as possible in process fluid flow.
Description
Technical field
The present invention relates to the evaporators and its steam of boiler technology and field of heat exchangers more particularly to a kind of intelligent control
Heat exchanger.
Background technique
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.Steam
Generating system includes evaporator, and the steam that evaporator generates is generally used for steam utilization apparatus, but steam utilization apparatus and
Lack corresponding intelligent control between evaporator to adjust, such as controls the steam of evaporator according to the condition of steam utilization equipment
It generates.Therefore present invention is generally directed to the improvement in terms of the carry out intelligent control of steam generating system.
In addition, there are steam water interfaces for general pipeline in steam utilization equipment.Heat exchanger tube can not be kept away in evaporation process
In the meeting carrying of liquids to steam pipe exempted from, simultaneously as the exothermic condensation of condensation end, so that there are liquid, liquid in condensation end
Body also inevitably enters steam pipe, so that the fluid in heat exchanger tube is liquid-vapor mixture, liquid-vapor mixture, which exists, is led
Steam is caused to blend together one, exchange capability of heat declines between liquid, greatly affects the efficiency of heat exchange.
Summary of the invention
The present invention aiming at the shortcomings in the prior art, provides a kind of evaporator of intelligent control, while also providing one kind
The evaporator of Novel structure utilize equipment, and the evaporator have heating rapidly, uniformity of temperature profile, power automatically control,
Safe and reliable function, improves heating efficiency.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of vapor heat exchanger, including header and steam pipe, the steam pipe are upwardly extended from header, and steam is arranged in the header
Entrance and condensation-water drain, steam enter header, and steam pipe, steam pipe and external progress are then flowed up into from header
Condensed water is formed after heat exchange, then returns to header under gravity, it is described then from the water return outlet outflow of collection lower box part
Steam pipe is more, and communicating pipe is arranged between at least two adjacent steam pipes；It is adjacent from steam pipe lower part to steam pipe top
Steam pipe between multiple communicating pipes are set, from steam pipe lower part to steam pipe top, the diameter of communicating pipe is continuously increased.
Preferably, from steam pipe lower part to steam pipe top, the ever-increasing amplitude of the diameter of communicating pipe is increasing.
Preferably, constant-current stabilizer is arranged in the steam pipe, the constant-current stabilizer is laminated structure, the laminated structure
It is arranged on the cross section of steam pipe；The constant-current stabilizer is square through-hole and octagon through-hole composition, the square
The side length of through-hole is equal to the side length of octagon through-hole, and four of the square through-hole are when being respectively four different positive eight
The side of shape through-hole, four of octagon through-hole apart from one another by while be respectively four different square through-holes while.
Preferably, the heat exchanger is medicinal material drying device, the medicinal material is arranged on connecting plate, to form multilayer
Medicinal material drying plate.
Preferably, the cross section of steam pipe is square.
Preferably, the multiple constant-current stabilizers of setting in steam pipe, the distance between adjacent constant-current stabilizer is M1, and square is logical
The side length in hole is B1, and the side length of steam pipe is B2, meets following require:
M1/B2=a*Ln(B1/B2) +b
Wherein a, b are parameters, wherein 1.725 < a < 1.733,4.99 <b < 5.01；
11<B2<46mm；
1.9 < B1 < 3.2mm；
18<M1<27mm。
Further preferably, with the increase of B1/B2, a is smaller and smaller, and b is increasing.
Preferably, a=1.728, b=4.997；
Preferably, the constant-current stabilizer includes at least one of following two type, the first seed type is square center
Constant-current stabilizer, square through-hole are located at the center of steam pipe, and second of type is octagon center constant-current stabilizer, octagon
Through-hole is located at the center of steam pipe.
Preferably, the constant-current stabilizer type being disposed adjacent is different.
Preferably, the multiple constant-current stabilizers of setting in steam pipe, the distance apart from steam tube inlet is H, adjacent current stabilization dress
Spacing between setting is S, S=F1(H), meet following require:
S’<0, S”>0。
Preferably, the multiple constant-current stabilizers of setting in steam pipe, the distance apart from steam tube inlet is H, constant-current stabilizer
The side length of square through-hole is D, D=F3(H), meet following require:
D’<0, D”>0。
Preferably, groove is arranged in the steam inside pipe wall, the shell of the constant-current stabilizer is arranged in groove, described outer
The inner wall of shell and the aligning inner of steam pipe.
The present invention has the advantage that
1) because of flowing up with fluid, the continuous heat release of fluid, with the continuous heat release of fluid, in different thermal-collecting tubes
Heat release is more and more uneven, therefore by above-mentioned setting, can guarantee to reach pressure equilibrium as soon as possible in process fluid flow.
2) present invention provides a kind of steam utilization apparatus of Novel structure, can be with by setting steam pipe and connection sheet
It realizes and expands steam pipe heat exchange area, but also the purpose of augmentation of heat transfer can be played.
3) current stabilization of the Novel structure combined the present invention provides a kind of new-type square through-hole and octagon through-hole
Device, by square and octagon, so that the angle that the side of the square hole and octagon hole that are formed is formed all is big
In being equal to 90 degree, so that fluid can sufficiently flow through each position in each hole, the short of fluid flowing is avoided or reduced
Road.Two-phase fluid is separated into liquid and gas by the constant-current stabilizer of Novel structure by the present invention, and liquid phase is divided into small liquid group,
Gas phase is divided into minute bubbles, inhibits the reflux of liquid phase, promotes gas phase smooth outflow, plays the role of regime flow, has and subtracts
The effect of vibration noise reduction, improves heat transfer effect.Constant-current stabilizer in compared with the existing technology further increases steady flow result, strengthens
Heat transfer, and be simple to manufacture.
4) present invention is by being reasonably laid out, so that square and octagon through-hole are evenly distributed, so that whole
On rank street face on fluid segmentation uniformly, avoid the segmentation of ring structure in the prior art circumferentially and unevenly ask
Topic.
5) present invention is uniformly distributed by the interval of square hole and octagon hole, so that macropore and aperture are whole
Body is evenly distributed on cross section, and by the change in location of the macropore of adjacent constant-current stabilizer and aperture, so that segregation
More preferably.
6) present invention is laminated structure by setting constant-current stabilizer, so that constant-current stabilizer structure is simple, cost is reduced.
7) hole that the present invention passes through the distance, constant-current stabilizer that are arranged between adjacent constant-current stabilizer in absorbing pipe short transverse
Side length, the parameters size such as caliber, the tube spacing of absorbing pipe rule variation, have studied the optimal relationship ruler of above-mentioned parameter
It is very little, to further reach steady flow result, noise is reduced, improves heat transfer effect.
8) present invention is conducted extensive research by heat exchange rule caused by the variation to constant-current stabilizer parameters,
In the case of meeting flow resistance, the best relation formula of heat transfer effect is realized.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of evaporator system of the present invention.
Fig. 2 is evaporation structure schematic diagram of the present invention.
Fig. 3 is the control structure schematic diagram of Fig. 2 evaporator.
Fig. 4 is vapor heat exchanger front section schematic diagram of the invention.
Fig. 5 is vapor heat exchanger side section schematic diagram of the invention.
Fig. 6 is another concrete structure schematic diagram of vapor heat exchanger of the present invention.
Fig. 7 is communicating pipe and the connecting board structure schematic diagram of vapor heat exchanger of the present invention.
Fig. 8 constant-current stabilizer cross-sectional structure schematic diagram of the present invention；
Another cross-sectional structure schematic diagram of Fig. 9 constant-current stabilizer of the present invention；
Figure 10 is constant-current stabilizer of the present invention arrangement schematic diagram in steam pipe；
Figure 11 is that constant-current stabilizer of the present invention arranges cross-sectional view in steam pipe
Figure 12 is the top Fig. 4 observation schematic.
Figure 13 is the top Fig. 6 observation schematic.
In figure: 1, evaporator, 11, vaporium, 12, water supply tank, 13, electric heater unit, 14 water inlet pipelines, 15 steam go out
Mouth pipeline, 16 water pumps, 2 steam utilization equipment, 21 steam inlet tubes, 22 steam pipes, 23 connecting plates, 24 headers, 25 water outlet pipes,
3 communicating pipes, 4 constant-current stabilizers, 41 square through-holes, 42 octagon through-holes, 43 sides, 5 controllers.
Specific embodiment
A kind of evaporator system, including evaporator 1 and steam utilization equipment 2.In evaporator 1 plus thermogenetic steam passes through
Steam inlet tube 21 enters steam utilization equipment 2, and sufficiently heat exchange is recycled in evaporator 1 after utilizing in steam utilization equipment
It is heated.
The evaporation structure is as shown in Figure 1, include vaporium 11, water supply tank 12, water pump 16, the water supply tank 12 passes through
Piping connection water pump 16, for the water pump 16 by piping connection vaporium 11, the vaporium 11 is interior to be arranged electric heater unit 13,
Steam (vapor) outlet pipeline 15 is arranged in 11 top of vaporium, and water inlet pipeline 14 is arranged in the vaporium 11.
The water is entered in vaporium 11 from water supply tank 12 by water pump 16, passes through electric heater unit in vaporium 11
The steam of 13 heating, generation is discharged by steam (vapor) outlet pipeline 15.
Preferably, entering steam by water inlet pipeline 14 after the steam that steam (vapor) outlet pipeline 15 is discharged is utilized
In room 11, to achieve the purpose that recycle.
Preferably, the 12 inlet porting pipeline of water supply tank, the entrance pipe connects running water pipe, passes through tap water
Pipe supplements water.Preferably, purification device is arranged between running water pipe and water supply tank 12, tap water is purified, avoids mending
The fouling of electric heater unit in water tank influences the effect of heating.
Preferably, the cross section of the vaporium 11 is circular configuration.
Preferably, the electric heater unit 13 is multiple.The electric heater unit is electric heating tube.The electric heating installs additional
It sets 13 to be vertically arranged upwards from 11 bottom wall of vaporium, as shown in Figure 1.
The present invention may be implemented control as follows:
(1) temperature controls
Preferably, temperature sensor is arranged in the steam inlet tube 21, for measuring the temperature of steam in steam inlet tube 21
Degree.The temperature sensor, electric heater unit 13 and 5 data connection of controller, the controller 5 is according to temperature sensor measurement
Temperature automatically control the heating power of electric heater unit 13.
Preferably, controller controls electric heating dress if the temperature of temperature sensor measurement is lower than certain temperature
Set increase heating power.If the temperature of temperature sensor measurement is higher than certain temperature, in order to avoid heat waste, control
Device, which controls electric heater unit, reduces heating power.
By control heating power, guarantees that inlet temperature is met the requirements, avoids inlet temperature excessively high, cause thermal loss,
Inlet temperature is too low, and heat is caused to be unsatisfactory for actual requirement.
Preferably, controller 5 improves electric heater unit 13 automatically if detection temperature data is lower than the first numerical value
Heating power, if the temperature data of measurement is higher than second value, controller 5 reduces the heating function of electric heater unit 13 automatically
Rate, the second value are greater than the first numerical value.
Preferably, electric heater unit 13 is heated when the temperature of measurement is lower than the first temperature with the first power；When
The temperature of measurement be lower than the second temperature lower than the first temperature when, electric heater unit 13 be higher than the first power the second power into
Row heating；When the temperature of measurement is lower than the third temperature lower than second temperature, electric heater unit 13 is to be higher than the second power
Third power is heated；When the temperature of measurement is lower than four temperature lower than third temperature, electric heater unit 13 is to be higher than
4th power of third power is heated；When the temperature of measurement is lower than five temperature lower than the 4th temperature, electric heating dress
13 are set to be heated with the 5th power for being higher than the 4th power.
Preferably, the first temperature is greater than 2-3 degrees Celsius of second temperature, second temperature is greater than 2-3 degrees Celsius of third temperature,
Third temperature is greater than the 4th 2-3 degrees Celsius of temperature, and the 4th temperature is greater than the 5th 2-3 degrees Celsius of temperature.
Further preferably, the first temperature is greater than 5.5-6 degrees Celsius of second temperature, and second temperature is greater than third temperature 2.5 and takes the photograph
Family name's degree, third temperature are greater than 2.5 degrees Celsius of the 4th temperature, and the 4th temperature is greater than 2.5 degrees Celsius of the 5th temperature.
Preferably, the 5th power is 1.08-1.18 times of the 4th power, the 4th power is the 1.08- of third power
1.18 times, third power is 1.08-1.18 times of the second power, and the second power is 1.08-1.18 times of the first power.
Preferably, the 5th power is 1.14 times of the 4th power, the 4th power is 1.14 times of third power, third function
Rate is 1.14 times of the second power, and the second power is 1.14 times of the first power.
It, can be with especially by the setting of differential heating power and the temperature difference by the preferred of above-mentioned temperature and power
Heating efficiency is further increased, the time is saved.It is found through experiments that, can be improved the heating efficiency of 10-15% or so.
Preferably, the temperature sensor be it is multiple, the temperature data of the controller foundation is multiple temperature sensing
The temperature of device measurement, to control the operation of evaporator.
(2) water level control
Preferably, water level sensor, the water level sensor, electric heater 13, water pump 16 are arranged in the vaporium 11
With 5 data connection of controller, the controller 5 is according to the power of the water level automatically controlled water pump 16 in the vaporium 11 of measurement.
Preferably, if water level decreasing, the power of water pump 16 is improved to increase into steam by control if controller
The flow of the water of room 11, if water level is excessively high, by reduce water pump 16 power or switch off the pump 16 come reduce into steam
Water flow or stop the moisturizing into vaporium 11 in steam chest 11.
By above-mentioned setting, on the one hand avoid water level it is too low caused by steam generation rate is too low and electric heater unit
Dry combustion method, cause electric heater unit damage and generate safety accident, on the other hand, avoiding and being caused because water level is excessively high
Water it is excessive, to cause steam generation rate too low.
Preferably, controller 5 is controlled water pump 16 and is mended with the first power when the water level of measurement is lower than the first water level
Water；When the water level of measurement is lower than second water level lower than the first water level, controller 5 controls water pump 16 to be higher than the first power
Second power carries out moisturizing；When the water level of measurement be lower than the third water level lower than the second water level when, controller 5 control water pump 16 with
Third power higher than the second power carries out moisturizing；When the water level of measurement is lower than four water level lower than third water level, control
Device 5 controls water pump 16 to be higher than the 4th power of third power and carry out moisturizing；When the water level of measurement is lower than lower than the 4th water level
When five water levels, controller 5 controls water pump 16 to be higher than the 5th power of the 4th power and carry out moisturizing.
Preferably, the first water level is 1.08-1.18 times of the second water level, the second water level is the 1.08- of third water level
1.18 times, third water level is 1.08-1.18 times of the 4th water level, and the 4th water level is 1.08-1.18 times of the 5th water level.
Preferably, the first water level is 1.1-1.15 times of the second water level, the second water level is the 1.15-1.2 of third water level
Times, third water level is 1.2-1.25 times of the 4th water level, and the 4th water level is 1.25-1.3 times of the 5th water level.
Preferably, the 5th power is 1.7-1.9 times of the 4th power, the 4th power is 1.6-1.8 times of third power,
Third power is 1.5-1.7 times of the second power, and the second power is 1.3-1.5 times of the first power.
By the preferred of above-mentioned water level and pump power, especially by the setting of differential water level and pump power,
It can quickly realize the constant of water level, improve steam generation rate, save the time.It is found through experiments that, can be improved 12-
16% or so steam output.
(3) control according to water level to heating power
Preferably, water level sensor is set in the vaporium 11, the water level sensor, electric heater 6 and controller 5
Data connection, the controller 5 is according to the heating power of the water level automatic controlled electric heater in the vaporium 11 of measurement.
Preferably, if water level is too low, controller if, which passes through control, to reduce the power of electric heater 6 or directly closes
The heating of electric heater 6, to avoid causing the further drop of water level because steam output caused by heating power is excessively high is excessive
It is low, if water level is excessively high, by increasing the heating power of electric heater 6, steam output is improved, to reduce water level.
By above-mentioned setting, the too low dry combustion method for causing electric heater unit of water level is on the one hand avoided, electric heating is caused to fill
The damage set and generate safety accident, on the other hand, avoid because water level is excessively high and caused by the indoor water mistake of steam
Greatly, to cause steam generation rate too low.
Preferably, controller 5 controls electric heater unit 13 with the first power when the water level of measurement is lower than the first water level
It is heated；When the water level of measurement is lower than second water level lower than the first water level, controller 5 controls electric heater unit 13 with low
It is heated in the second power of the first power；When the water level of measurement is lower than the third water level lower than the second water level, controller 5
Control electric heater unit 13 is heated with the third power lower than the second power；When the water level of measurement is lower than lower than third water level
Four water levels when, controller 5 controls electric heater unit 13 to be heated lower than the 4th power of third power；When measurement
When water level is lower than five water level lower than the 4th water level, controller 5 controls electric heater unit to be lower than the 5th function of the 4th power
Rate is heated；When the water level of measurement is lower than six water level lower than the 5th water level, controller 5, which controls electric heater unit, to be stopped
Heating.
Preferably, the first water level is 1.08-1.18 times of the second water level, the second water level is the 1.08- of third water level
1.18 times, third water level is 1.08-1.18 times of the 4th water level, and the 4th water level is 1.08-1.18 times of the 5th water level.
Preferably, the first water level is 1.1-1.15 times of the second water level, the second water level is the 1.15-1.2 of third water level
Times, third water level is 1.2-1.25 times of the 4th water level, and the 4th water level is 1.25-1.3 times of the 5th water level.
Preferably, the first power is 1.6-1.7 times of the second power, the second power is 1.5-1.6 times of third power,
Third power is 1.4-1.5 times of the 4th power, and the 4th power is 1.3-1.4 times of the 5th power.
By the preferred of the power of above-mentioned water level and electric heater unit, filled especially by differential water level and electric heating
The setting for the power set, can quickly realize water level in scheduled home, and water level is excessively high when, can protect
Steam generation rate is demonstrate,proved, the time is saved.
(4) pressure controls
Preferably, pressure sensor is arranged on the steam inlet tube 21 of the steam utilization equipment, for measuring steam inlet
Pressure in pipe 21.The pressure sensor, electric heater unit 13 and 5 data connection of controller, the controller 5 are passed according to pressure
The pressure of sensor measurement automatically controls the heating power of electric heater unit 13.
Preferably, controller 5 controls electric heating dress if the pressure of pressure sensor measurement is lower than certain pressure
Set 13 startings heating.If the temperature of pressure sensor measurement is higher than pressure upper limit, in order to avoid the excessive generation of pressure is dangerous,
Controller controls electric heater unit 13 and stops heating.
By so set, heating power can be adjusted according to the pressure of steam inlet tube 21, to guarantee steam benefit
Reach requirement with the heat exchange amount of equipment, while in the case where maximizing steam output, guaranteeing the safety of evaporator.
Preferably, controller 5 controls electric heater unit if the pressure of pressure sensor measurement is lower than a certain numerical value
13 improve heating power.If the temperature of pressure sensor measurement is higher than certain numerical value, in order to avoid the excessive generation danger of pressure
Danger, controller, which controls electric heater unit 13, reduces heating power.
Preferably, controller 5 controls the heating power of electric heater unit 13 when the pressure of measurement is higher than first pressure
The first power is reduced to be heated；When the pressure of measurement is higher than the second pressure higher than first pressure, controller 5 controls electricity
The heating power of heating device 13 is reduced to second power lower than the first power to be heated；When the pressure of measurement is higher than than the
When the high third pressure of two pressure, the heating power that controller 5 controls electric heater unit 13 is reduced to lower than the second power the
Three power are heated；When the pressure of measurement is higher than four pressure higher than third pressure, controller 5 controls electric heater unit
13 heating power is reduced to fourth power higher than third power to be heated；When the pressure of measurement is higher than higher than the 4th pressure
Five pressure when, controller 5 stop electric heater unit 13 heating.
Preferably, the 4th power is 0.4-0.6 times of third power, third power is 0.6-0.8 times of the second power,
Second power is 0.7-0.9 times of the first power.
Further preferably, preferably, the 4th power is 0.5 times of third power, third power is the 0.7 of the second power
Times, the second power is 0.8 times of the first power.
5th pressure is exactly pressure upper limit.
Preferably, the pressure sensor be it is multiple, the pressure data of the controller foundation is multiple pressure sensings
The pressure of device measurement, to control the operation of evaporator.
(5) steam flow controls
Preferably, flow sensor is arranged on the steam inlet tube 21 of the steam utilization equipment, it to be used for cooling water of units of measurement time
Into the steam flow of steam utilization equipment, the flow sensor, electric heater 6 and 5 data connection of controller.The control
Device 5 is according to the power of the steam flow automatic controlled electric heater of measurement.
Preferably, controller 5 controls electric heater unit 13 and increases if the steam flow of measurement is lower than certain numerical value
Add heating power.If the temperature of pressure sensor measurement is higher than certain numerical value, controller controls electric heater unit 13 and reduces
Heating power.
Pass through the quantity of steam for so set, heating power can be adjusted according to the quantity of steam of entrance, guaranteeing to enter
It is constant, avoid quantity too large or too small, cause quantity of steam insufficient or waste.
Preferably, controller 5 controls the heating power of electric heater unit 13 when the flow of measurement is higher than first flow
The first power is reduced to be heated；When the flow of measurement is higher than the second flow higher than first flow, controller 5 controls electricity
The heating power of heating device 13 is reduced to second power lower than the first power to be heated；When the flow of measurement is higher than than the
When the high third flow of two flows, the heating power that controller 5 controls electric heater unit 13 is reduced to lower than the second power the
Three power are heated；When the flow of measurement is higher than four flow higher than third flow, controller 5 controls electric heater unit
13 heating power is reduced to fourth power higher than third power to be heated；When the flow of measurement is higher than higher than the 4th flow
Five flows when, controller 5 stop electric heater unit 13 heating.
Preferably, the 4th power is 0.4-0.6 times of third power, third power is 0.6-0.8 times of the second power,
Second power is 0.7-0.9 times of the first power.
Further preferably, preferably, the 4th power is 0.5 times of third power, third power is the 0.7 of the second power
Times, the second power is 0.8 times of the first power.
Further preferably, the 5th flow is 1.1-1.2 times of the 4th flow, and the 4th flow is the 1.2-1.3 of third flow
Times, third flow is 1.3-1.4 times of second flow, and second flow is 1.4-1.5 times of first flow.
By the preferred of the power of above-mentioned flow and electric heater unit, filled especially by differential flow and electric heating
The setting for the power set can quickly realize the constant of flow, save the time.
(6) water outlet line temperature controls
Preferably, temperature sensor is arranged on the water outlet line 21 of the steam utilization equipment, after measuring heat exchange
The temperature of water, the temperature sensor, electric heater 6 and 5 data connection of controller.The controller 5 is according to temperature sensor
The temperature of measurement carrys out the heating power of automatic controlled electric heater.By controlling heating power, the temperature after guaranteeing heat exchange meets
It is required that avoiding water temperature over-high, thermal loss is caused, water temperature is too low, and heat is caused to be unsatisfactory for actual requirement.
Preferably, controller controls electric heating dress if the temperature of temperature sensor measurement is lower than certain temperature
Set increase heating power.If the temperature of temperature sensor measurement is higher than certain temperature, such as cause heat waste, then in order to
Heat waste is avoided, controller, which controls electric heater unit, reduces heating.By reducing heating power, so that steam output quantity is few,
So that avoiding wasting.
Preferably, controller 5 improves electric heater unit 13 automatically if detection temperature data is lower than the first numerical value
Heating power, if the temperature data of measurement is higher than second value, controller 5 reduces the heating function of electric heater unit 13 automatically
Rate, the second value are greater than the first numerical value.
Preferably, electric heater unit 13 is heated when the temperature of measurement is lower than the first temperature with the first power；When
The temperature of measurement be lower than the second temperature lower than the first temperature when, electric heater unit 13 be higher than the first power the second power into
Row heating；When the temperature of measurement is lower than the third temperature lower than second temperature, electric heater unit 13 is to be higher than the second power
Third power is heated；When the temperature of measurement is lower than four temperature lower than third temperature, electric heater unit 13 is to be higher than
4th power of third power is heated；When the temperature of measurement is lower than five temperature lower than the 4th temperature, electric heating dress
13 are set to be heated with the 5th power for being higher than the 4th power.
Preferably, the first temperature is greater than 2-3 degrees Celsius of second temperature, second temperature is greater than 2-3 degrees Celsius of third temperature,
Third temperature is greater than the 4th 2-3 degrees Celsius of temperature, and the 4th temperature is greater than the 5th 2-3 degrees Celsius of temperature.
Further preferably, the first temperature is greater than 2.5 degrees Celsius of second temperature, and it is Celsius that second temperature is greater than third temperature 2.5
Degree, third temperature are greater than 2.5 degrees Celsius of the 4th temperature, and the 4th temperature is greater than 2.5 degrees Celsius of the 5th temperature.
Preferably, the 5th power is 1.08-1.18 times of the 4th power, the 4th power is the 1.08- of third power
1.18 times, third power is 1.08-1.18 times of the second power, and the second power is 1.08-1.18 times of the first power.
Preferably, the 5th power is 1.14 times of the 4th power, the 4th power is 1.14 times of third power, third function
Rate is 1.14 times of the second power, and the second power is 1.14 times of the first power.
It, can be with especially by the setting of differential heating power and the temperature difference by the preferred of above-mentioned temperature and power
Heating efficiency is further increased, the time is saved.It is found through experiments that, can be improved the heating efficiency of 10-15% or so.
Preferably, the temperature sensor be it is multiple, the temperature data of the controller foundation is multiple temperature sensing
The temperature that device 12 measures, carrys out the operation of control system.
(7) steam room temperature controls
Preferably, temperature sensor is arranged in the vaporium, for measuring the temperature of middle steam in vaporium.The temperature
Sensor, electric heater unit 13 and 5 data connection of controller, the controller 5 come from according to the temperature of temperature sensor measurement
The heating power of dynamic control electric heater unit 13.
Preferably, controller controls electric heating dress if the temperature of temperature sensor measurement is lower than certain temperature
Set increase heating power.If the temperature of temperature sensor measurement is higher than certain temperature, such as higher than dangerous critical-temperature,
Then in order to avoid overheat, controller controls electric heater unit and stops heating.
Preferably, controller 5 improves electric heater unit 13 automatically if detection temperature data is lower than the first numerical value
Heating power, if the temperature data of measurement is higher than second value, controller 5 reduces the heating function of electric heater unit 13 automatically
Rate, the second value are greater than the first numerical value.
Preferably, electric heater unit 13 is heated when the temperature of measurement is lower than the first temperature with the first power；When
The temperature of measurement be lower than the second temperature lower than the first temperature when, electric heater unit 13 be higher than the first power the second power into
Row heating；When the temperature of measurement is lower than the third temperature lower than second temperature, electric heater unit 13 is to be higher than the second power
Third power is heated；When the temperature of measurement is lower than four temperature lower than third temperature, electric heater unit 13 is to be higher than
4th power of third power is heated；When the temperature of measurement is lower than five temperature lower than the 4th temperature, electric heating dress
13 are set to be heated with the 5th power for being higher than the 4th power.
Preferably, the first temperature is greater than 2-3 degrees Celsius of second temperature, second temperature is greater than 2-3 degrees Celsius of third temperature,
Third temperature is greater than the 4th 2-3 degrees Celsius of temperature, and the 4th temperature is greater than the 5th 2-3 degrees Celsius of temperature.
Further preferably, the first temperature is greater than 2.5 degrees Celsius of second temperature, and it is Celsius that second temperature is greater than third temperature 2.5
Degree, third temperature are greater than 2.5 degrees Celsius of the 4th temperature, and the 4th temperature is greater than 2.5 degrees Celsius of the 5th temperature.
Preferably, the 5th power is 1.08-1.18 times of the 4th power, the 4th power is the 1.08- of third power
1.18 times, third power is 1.08-1.18 times of the second power, and the second power is 1.08-1.18 times of the first power.
Preferably, the 5th power is 1.14 times of the 4th power, the 4th power is 1.14 times of third power, third function
Rate is 1.14 times of the second power, and the second power is 1.14 times of the first power.
It, can be with especially by the setting of differential heating power and the temperature difference by the preferred of above-mentioned temperature and power
Heating efficiency is further increased, the time is saved.It is found through experiments that, can be improved the heating efficiency of 10-15% or so.
Preferably, the temperature sensor is arranged on the bottom wall of vaporium.
Preferably, the temperature sensor be it is multiple, the temperature data of the controller foundation is multiple temperature sensing
The temperature that device 12 measures, to control the operation of evaporator.
Preferably, the steam utilization apparatus 2 is vapor heat exchanger.The vapor heat exchanger includes header 24 and steam
Pipe 22, the steam pipe 22 are upwardly extended from header.As shown in Figure 5,6, the steam pipe 22 is more, the more steam pipes
22 arrange according to matrix-style, have parallel rows and columns, connecting plate 23 is arranged between the more steam pipes, passes through company
Fishplate bar 23 links together the steam pipe of rows and columns.The steam that the evaporator 1 generates enters header 24, then from collection
Steam pipe 22 is flowed up into case 24.Condensed water is formed after steam pipe 22 and external progress heat exchange, then in gravity
Effect is lower to return to header 24, then returns in evaporator 1 from the water return outlet of 24 lower part of header.
Preferably, the one or both ends of header 24 are arranged in steam inlet tube 21.
By the way that connecting plate 23 is arranged, so that expanding heat exchange area, play the role of similar fin.
Preferably, multilayer is arranged in the connecting plate 23 along the short transverse of steam pipe 22.Along steam pipe 22
Short transverse, the distance of the connecting plate 23 in the height direction are smaller and smaller.It is primarily due to find under study for action, hot steam
It is all walked to top, therefore being continuously increased with height, exchange capability of heat is more and more stronger.In the height direction by connecting plate 23
The variation of distance avoids local temperature excessively high or too low so that overall heat exchange is uniform.
Preferably, the distance of the connecting plate 23 in the height direction is increasingly along the short transverse of steam pipe 22
Small amplitude is continuously increased.Above-mentioned rule variation is the conclusion come out with research through a large number of experiments, passes through above-mentioned width
It is excessively high or too low to further avoid local temperature so that overall heat exchange is more uniform for the variation of degree.
Alternatively, as shown in Fig. 6,13, communicating pipe 3 is set between the steam pipe.At least two is adjacent
Communicating pipe 3 is set between steam pipe 22.It finds under study for action, during evaporation tube is exothermic, it may appear that different location is put
The thermal discharge of heat pipe is different, leads to pressure or temperature difference between steam pipe 22, will lead to 22 temperature of some vapor pipe in this way
Height is spent, the lost of life is caused, once a steam pipe 22 goes wrong, may cause that not being available occurs in entire heat pipe is asked
Topic.Communicating pipe 3 is arranged by largely studying, in adjacent steam pipe in the present invention, can cause in the heated difference of steam pipe
In the case that pressure is different, the fluid in steam pipe 22 that pressure can be made big quickly flows to the small steam pipe 22 of pressure,
To keep integral pressure balanced, hot-spot or supercooling are avoided.
Figure 13 illustrates only horizontally-arranged setting communicating pipe, but the application is not limited to horizontally-arranged, can be only vertical setting of types or conjunction
Horizontally-arranged vertical setting of types is all arranged.
Preferably, multiple connections are arranged between adjacent steam pipe 22 from 22 lower part of steam pipe to 22 top of steam pipe
Pipe 3.By the way that multiple communicating pipes are arranged, fluid continuous counterpressure in heat absorption evaporation process is enabled to, guarantees entire steam
Pressure in steam pipe is balanced.
Preferably, constantly reducing the distance between adjacent communicating pipe 3 from 22 lower part of steam pipe to 22 top of steam pipe.
This purpose be in order to which more communicating pipes are arranged, because of flowing up with fluid, the continuous heat release of fluid, not with fluid
Disconnected heat release, the heat release in different thermal-collecting tubes is more and more uneven, therefore by above-mentioned setting, can guarantee to flow in fluid
Reach pressure equilibrium in journey as soon as possible.
Preferably, the distance between adjacent communicating pipe is ever-reduced from 22 lower part of steam pipe to 22 top of steam pipe
Amplitude is increasing.It is found through experiments that, above-mentioned setting, can guarantee more excellent in process fluid flow to reach pressure faster
It is balanced.This is also the optimal mode of communicating got and largely studying pressure changes in distribution rule.
Preferably, from 22 lower part of steam pipe to 22 top of steam pipe, the diameter of communicating pipe 3 is continuously increased.This purpose is
Guarantee bigger connection area, because of flowing up with fluid, the continuous heat release of fluid, as steam is continuous to be arranged
Heat release, the temperature, pressure in different thermal-collecting tubes is more and more uneven, therefore by above-mentioned setting, can guarantee to flow in fluid
Reach pressure equilibrium as soon as possible in the process.
Preferably, from 22 lower part of steam pipe to 22 top of steam pipe, the ever-increasing amplitude of the diameter of communicating pipe 3 is more next
It is bigger.Be found through experiments that, above-mentioned setting, can guarantee in process fluid flow it is more excellent faster reach pressure equilibrium.This
And the optimal mode of communicating got and largely studying pressure changes in distribution rule.
Preferably, as shown in figure 13, the connecting plate 23 connects adjacent communicating pipe 3.
Preferably, the heat exchanger is medicinal material drying device, the medicinal material is arranged on connecting plate 23, to be formed more
The medicinal material drying plate of layer.
Preferably, the heat exchanger is medical fluid heat exchanger, steam pipe is protruded into the medical fluid of cabinet, for heating medicine
Liquid.
Preferably, the heat exchanger is health care product heat exchanger, steam pipe is protruded into the health care product of cabinet, for heating
Health care product.
Because of the heat exchange of steam in steam pipe, so that there is stream-liquid two-phase flow in steam pipe, on the one hand, steam pipe was evaporating
Cheng Zhong, inevitably in carrying of liquids to steam pipe, simultaneously as the exothermic condensation of condensation end, so that in condensation end
There are liquid, liquid also inevitably enters steam pipe and steams simultaneously so that the fluid in steam pipe is liquid-vapor mixture
The on-condensible gas that steam pipe can generate in the process of running because of aging, on-condensible gas are typically raised to the condensation on steam pipe top
End, the presence of on-condensible gas lead to the pressure increase in steam pipe condensation end, and pressure flows liquid into steam pipe.Greatly
The big efficiency for affecting heat exchange.Therefore this invention takes new structures, to divide liquid and vapor capacity, so that heat exchange is reinforced.
Constant-current stabilizer 4 is set in steam pipe, and the structure of the constant-current stabilizer 4 is as shown in Figure 8,9.The constant-current stabilizer 4 is
Laminated structure, the laminated structure are arranged on the cross section of steam pipe 3；The constant-current stabilizer 4 is square and octagon
Structure composition, to form square through-hole 41 and octagon through-hole 42.The side length of square through-hole 41 as described in Figure 1 is equal to
The side length of octagon through-hole 42, four of the square through-hole while 43 be respectively four different octagon through-holes while
43, positive eight deformation four of through-hole apart from one another by while 43 be respectively four different square through-holes while 43.
The present invention uses the constant-current stabilizer of Novel structure, has the advantages that
1) constant-current stabilizer of the Novel structure combined the present invention provides a kind of new-type square through-hole and octagon through-hole,
By square and octagon, so that the angle that the side of the square hole and octagon hole that are formed is formed all is greater than and is equal to
90 degree, so that fluid can sufficiently flow through each position in each hole, avoid or reduce the short circuit of fluid flowing.This hair
It is bright that two-phase fluid is separated by liquid and gas by the constant-current stabilizer of Novel structure, liquid phase is divided into small liquid group, by gas phase
Minute bubbles are divided into, the reflux of liquid phase is inhibited, promotes gas phase smooth outflow, plays the role of regime flow, there is vibration and noise reducing
Effect, improve heat transfer effect.Constant-current stabilizer in compared with the existing technology, further increases steady flow result, augmentation of heat transfer, and
And it is simple to manufacture.
2) present invention is by being reasonably laid out, so that square and octagon through-hole are evenly distributed, so that whole
On rank street face on fluid segmentation uniformly, avoid the segmentation of ring structure in the prior art circumferentially and unevenly ask
Topic.
3) present invention is uniformly distributed by the interval of square hole and octagon through-hole, so that macropore and aperture exist
It is evenly distributed on whole cross section, and by the change in location of the macropore of adjacent constant-current stabilizer and aperture, so that separating effect
Fruit is more preferable.
4) present invention is laminated structure by setting constant-current stabilizer, so that constant-current stabilizer structure is simple, cost is reduced.
The present invention is equivalent to by setting annular constant-current device and increases interior heat exchange area changing in steam pipe, enhanced
Heat exchange, improves heat transfer effect.
The present invention is because gas-liquid two-phase is divided in all cross-section locations for changing steam pipe, thus whole
A change on steam tube section realizes the segmentation of gas-liquid interface and gas phase boundary and the contact area of cooling wall and enhancing is disturbed
It is dynamic, noise and vibration greatly reduces, enhances heat transfer.
Preferably, the constant-current stabilizer includes two types, such as Fig. 8, shown in 9, the first seed type is square center
Constant-current stabilizer, square are located at the center of steam pipe or condenser pipe, as shown in Figure 9.Second is octagon center current stabilization
Device, octagon are located at the center of steam pipe or condenser pipe, as shown in Figure 8.Preferably as one, above two type
Constant-current stabilizer is disposed adjacent, that is, the constant-current stabilizer type being disposed adjacent is different.I.e. adjacent with square center constant-current stabilizer is
Octagon center constant-current stabilizer, adjacent with octagon center constant-current stabilizer is square center constant-current stabilizer.The present invention
It is uniformly distributed by the interval of square hole and octagon hole, so that macropore and aperture are distributed on whole cross section
It is even, and by the change in location of the macropore of adjacent constant-current stabilizer and aperture so that by the fluid of macropore followed by
Aperture, by the fluid of aperture followed by macropore, further progress separates, and promotes the mixing of vapour-liquid, so that separating and changing
Thermal effect is more preferable.
Preferably, the cross section of the steam pipe 3 is square.
Preferably, along the direction that fluid flows, the caliber of steam pipe 3 is constantly reduced.Main cause is as follows: passing through
Increase reduce steam pipe caliber, the resistance of flowing can be increased so that the steam of steam in-tube evaporation reduces towards caliber increasing
The direction movement added, to further promote the heat exchange of whole steam pipe uniform, avoids heat from all concentrating on steam pipe top
It exchanges heat.
Preferably, constantly increased amplitude is increasing for the caliber of steam pipe 3 along the direction that fluid flows.On
The amplitude variation for stating caliber is that the applicant obtains with numerical simulation through a large number of experiments as a result, by above-mentioned setting,
Circulating for loop steam pipe can further be promoted, it is whole uniform to reach heat exchange.
Preferably, the multiple constant-current stabilizers of setting in steam pipe, from 22 lower part of steam pipe to 22 top of steam pipe, current stabilization is filled
Spacing between setting constantly becomes smaller, if the distance apart from steam tube inlet is H, the spacing between adjacent constant-current stabilizer is S, S=F1
(H), i.e. S is using height H as the function of variable, and S ' is the first order derivative of S, meets following require:
S’<0;
Main cause is because the steam in steam pipe understands carrier's liquid in uphill process, and in uphill process, steam is not
Disconnected increasingly concentrates to top, causes the steam in biphase gas and liquid flow more and more, because the vapour phase in stream-liquid two-phase flow is got over
Come it is more, the exchange capability of heat in steam pipe can increase with vapour phase and it is opposite weaken, vibration and its noise can also increase with vapour phase
Add and constantly increases.Therefore the distance between the adjacent constant-current stabilizer for needing to be arranged is shorter and shorter.
It is found through experiments that, by above-mentioned setting, can both reduce vibration and noise to the full extent, while can mention
High heat transfer effect.
Further preferably, from 22 lower part of steam pipe to 22 top of steam pipe, the distance between adjacent constant-current stabilizer is increasingly
Short amplitude is continuously increased.That is S " is the second derivative of S, meets following require:
S”>0;
It is found through experiments that, by so set, 7% or so vibration and noise can be further decreased, while it is left to improve 8%
Right heat transfer effect.
Preferably, the multiple constant-current stabilizers of setting in steam pipe, square from 22 lower part of steam pipe to 22 top of steam pipe
Side length it is smaller and smaller.Distance apart from steam tube inlet is H, and square side length is C, C=F2(H), C ' is once leading for C
Number meets following require:
C’<0;
Further preferably, from 22 lower part of steam pipe to 22 top of steam pipe, the smaller and smaller amplitude of square side length is continuous
Increase.C " is the second derivative of C, meets following require:
C”>0。
Specific reason changes referring to front constant-current stabilizer spacing.
Preferably, the distance between adjacent constant-current stabilizer remains unchanged.
Preferably, gap is arranged in the steam inside pipe wall, the outer end of the constant-current stabilizer is arranged in gap.
Preferably, steam pipe is welded for multi-segment structure, constant-current stabilizer is arranged in the junction of multi-segment structure.
It is learnt by analyzing and testing, the spacing between constant-current stabilizer cannot be excessive, leads to damping noise reduction if excessive
And the effect separated is bad, and while it can not be too small, cause resistance excessive if too small, similarly, square side length is not yet
Can be too large or too small, the effect for also resulting in damping noise reduction is bad or resistance is excessive, therefore the present invention pass through it is a large amount of real
Test, preferentially meet normal flow resistance (total pressure-bearing be 2.5Mpa hereinafter, single steam pipe on-way resistance be less than etc.
In 5Pa/M) in the case where, so that being optimal of damping noise reduction, has arranged the optimal relationship of parameters.
Preferably, the distance between adjacent constant-current stabilizer is M1, the side length of square through-hole is B1, and tedge is pros
Tee section, the side length of tedge square section are B2, meet following require:
M1/B2=a*Ln(B1/B2) +b
Wherein a, b are parameters, wherein 1.725 < a < 1.733,4.99 <b < 5.01；
11<B2<46mm；
1.9 < B1 < 3.2mm；
18<M1<27mm。
Further preferably, with the increase of B1/B2, a is smaller and smaller, and b is increasing.
Preferably, a=1.728, b=4.997；
Preferably, the side length B1 of square through-hole is the average value of side length and outer side length in square through-hole, tedge is square
The side length B2 of tee section is the average value of side length and outer side length in tedge.
Preferably, the outer side length of square through-hole is equal to the interior side length of tedge square section.
Preferably, with the increase of B2, B1 is also continuously increased.But with the increase of B2, the ever-increasing amplitude of B1
It is smaller and smaller.This rule variation is obtained by a large amount of numerical simulation and experiment, and the variation of above-mentioned rule, Neng Goujin are passed through
One step improves heat transfer effect, reduces noise.
Preferably, with the increase of B2, M1 constantly reduces.But with the increase of B2, the ever-reduced amplitude of M1 is got over
Come smaller.This rule variation is obtained by a large amount of numerical simulation and experiment, can be into one by the variation of above-mentioned rule
Step improves heat transfer effect, reduces noise.
It is learnt by analyzing and testing, the spacing of tedge will also meet certain requirements, such as cannot excessive or mistake
It is small, no matter it is too large or too small all heat transfer effect can be caused bad, and because the application tedge in be provided with constant-current stabilizer,
Therefore constant-current stabilizer also there are certain requirements rising tube spacing.Therefore the present invention through a large number of experiments, meets normally preferential
Flow resistance (total pressure-bearing be 2.5Mpa hereinafter, single riser on-way resistance be less than or equal to 5Pa/M) in the case where,
So that being optimal of damping noise reduction, has arranged the optimal relationship of parameters.
The distance between adjacent constant-current stabilizer is M1, and square side length is B1, and tedge is square section, tedge
Side length be B2, the adjacent spacing risen between tube hub is that M2 meets following require:
M2/B2=d*(M1/B2)2+e+f*(M1/B2)3-h*(M1/B2)；
Wherein d, e, f, h are parameters,
1.239<d<1.240,1.544<e<1.545,0.37<f<0.38,0.991<h<0.992；
11<B2<46mm；
1.9 < B1 < 3.2mm；
18<M1<27mm。
16<M2<76mm。
Spacing between adjacent rising tube hub is that M2 refers to the distance between rising tube hub line.
Further preferably, d=1.2393, e=1.5445, f=0.3722, h=0.9912；
Preferably, d, e, f is increasing with the increase of M1/B2, h is smaller and smaller.
Preferably, M2 is continuously increased with the increase of B2, but with the increase of B2, the ever-increasing amplitude of M2 is got over
Come smaller.This rule variation is obtained by a large amount of numerical simulation and experiment, can be into one by the variation of above-mentioned rule
Step improves heat transfer effect.
Preferably, steam length of tube L is between 2000-2500mm.Further preferably, between 2200-2300mm.
By the preferred of the optimal geometric scale of above-mentioned formula, can be realized under the conditions of meeting normal flow resistance,
Damping noise reduction reaches optimum efficiency.
For parameters such as other parameters, such as tube wall, shell wall thickness according to normal standard setting.
Preferably, the caliber of the steam pipe is greater than the caliber of return pipe.The resistance for mainly increasing return pipe, reduces
The resistance of steam pipe, so that steam is easier from evaporation part flowing, loop steam pipe preferably forms circulation.
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 (4)
1. a kind of vapor heat exchanger, including header and steam pipe, the steam pipe are upwardly extended from header, the header setting is steamed
Vapour entrance and condensation-water drain, steam enter header, then flow up into steam pipe from header, steam pipe and it is external into
Condensed water is formed after row heat exchange, then returns to header under gravity, then from the water return outlet outflow of collection lower box part, institute
Stating steam pipe is more, and communicating pipe is arranged between at least two adjacent steam pipes；It is characterized in that, from steam pipe lower part Xiang Zheng
Multiple communicating pipes are arranged between adjacent steam pipe in steam pipe top, from steam pipe lower part to steam pipe top, the diameter of communicating pipe
It is continuously increased.
2. vapor heat exchanger as described in claim 1, from steam pipe lower part to steam pipe top, the diameter of communicating pipe constantly increases
The amplitude added is increasing.
3. vapor heat exchanger as described in claim 1, the steam pipe is interior to be arranged constant-current stabilizer, and the constant-current stabilizer is sheet
Structure, the laminated structure are arranged on the cross section of steam pipe；The constant-current stabilizer is square through-hole and octagon is logical
Hole composition, the side length of the square through-hole are equal to the side length of octagon through-hole, four sides difference of the square through-hole
The side of four different octagon through-holes, four of octagon through-hole apart from one another by side be respectively four it is different just
The side of square through hole.
4. vapor heat exchanger as described in claim 1, which is characterized in that the heat exchanger is medicinal material drying device, the medicine
Material is arranged on connecting plate, to form the medicinal material drying plate of multilayer.
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| CN201810674827 | 2018-06-27 | ||
| CN2018106748279 | 2018-06-27 |
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| CN203719473U (en) * | 2013-09-18 | 2014-07-16 | 张伟 | Round header shell and tube water storage and heating multi-tube heat conducting heat exchanger |
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Effective date of registration: 20201010 Address after: 264006 No. 331, Changjiang Road, Yantai Economic and Technological Development Zone, Shandong Province Applicant after: YANTAI MOON HEAT EXCHANGE TECHNOLOGY Co.,Ltd. Address before: 266109 Office 512, Building 32, 89 Great Wall Road, Chengyang District, Qingdao City, Shandong Province Applicant before: QINGDAO XINZHONGHE TRADE Co.,Ltd. |
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