CN107356095A - A kind of steam dryer of pressure intelligent control - Google Patents
A kind of steam dryer of pressure intelligent control Download PDFInfo
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- CN107356095A CN107356095A CN201610783735.5A CN201610783735A CN107356095A CN 107356095 A CN107356095 A CN 107356095A CN 201610783735 A CN201610783735 A CN 201610783735A CN 107356095 A CN107356095 A CN 107356095A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 157
- 238000010438 heat treatment Methods 0.000 claims abstract description 96
- 238000005259 measurement Methods 0.000 claims description 57
- 238000007667 floating Methods 0.000 claims description 36
- 239000012530 fluid Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 238000012546 transfer Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 5
- 230000003416 augmentation Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009841 combustion method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- 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
- F22B1/282—Methods of steam generation characterised by form of heating method in boilers heated electrically with water or steam circulating in tubes or ducts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention provides a kind of steam dryer, including body of heater, water tank, water pump, the water tank connects water pump by the first pipeline, the water pump connects body of heater by the second pipeline, electric heater unit is set in the body of heater, the upper of furnace body sets steam (vapor) outlet pipeline, the water tank inlet porting pipeline；Characterized in that, pressure sensor is set in the body of heater, for measuring pressure in body of heater；The pressure sensor, electric heater unit and controller data connect, and the pressure that the controller measures according to pressure sensor automatically controls the heating power of electric heater unit.The present invention realizes the intelligent control of electric heater heating power in steam dryer by pressure detecting, so as to keep the stabilization of pressure, ensures gas efficiency, improves intellectuality.
Description
Technical field
The present invention relates to technical field of drying, more particularly to a kind of steam dryer of intelligent control, more particularly, to one
Kind can utilize the steam dryer that steam be dried.
Background technology
Steam dryer is the plant equipment for water being heated as using the heat energy of fuel or other energy steam.Steam is done
Dry machine application field is extensive, is widely used in clothing factory, drycleaner's, restaurant, steamed bun shop, dining room, dining room, factories and miness, Bean Products Factory etc.
Place.Current steam dryer uses combustion gas or fuel Heating more, and the efficiency of heating surface, intelligence degree is not high.
The content of the invention
The present invention is directed to deficiency of the prior art, there is provided a kind of steam dryer of intelligent control, also provides simultaneously
A kind of Electrothermic steam drying machine of Novel structure, and the steam dryer has that heating is rapid, uniformity of temperature profile, power
Automatically control, safe and reliable function, improve the efficiency of heating surface.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of steam dryer, including body of heater, water tank, water pump, the water tank connect water pump, the water by the first pipeline
Pump connects body of heater by the second pipeline, and electric heater unit is set in the body of heater, and the upper of furnace body sets steam (vapor) outlet pipeline,
The water tank inlet porting pipeline；Characterized in that, pressure sensor is set in the body of heater, for measuring pressure in body of heater；
The pressure sensor, electric heater unit and controller data connect, the pressure that the controller measures according to pressure sensor
To automatically control the heating power of electric heater unit.
Preferably, if the pressure of pressure sensor measurement is less than certain pressure, controller control electrical heating dress
Put startup heating；If the temperature of pressure sensor measurement is higher than pressure upper limit, controller control electric heater unit stops heating.
Preferably, if the pressure of pressure sensor measurement is less than a certain numerical value, controller control electric heater unit
Improve heating power；If the temperature of pressure sensor measurement is higher than certain numerical value, controller control electric heater unit, which reduces, to be added
Thermal power.
Preferably, when the pressure of measurement is higher than first pressure, the heating power drop of controller control electric heater unit
It is low to be heated to the first power；When the pressure of measurement is higher than the second pressure higher than first pressure, controller control electricity adds
The heating power of thermal is reduced to second power lower than the first power and heated；When the pressure of measurement is higher than than the second pressure
During high three pressure of power, the heating power of controller control electric heater unit is reduced to threeth power lower than the second power and entered
Row heating；When the pressure of measurement is higher than four pressure higher than the 3rd pressure, controller controls the heating work(of electric heater unit
Rate is reduced to fourth power higher than the 3rd power and heated；When the pressure of measurement is higher than fiveth pressure higher than the 4th pressure
When, controller stops the heating of electric heater unit.
Preferably, the 4th power is 0.4-0.6 times of the 3rd power, the 3rd power is 0.6-0.8 times of the second power,
Second power is 0.7-0.9 times of the first power.
Preferably, the 4th power is 0.5 times of the 3rd power, the 3rd power is 0.7 times of the second power, the second power
It is 0.8 times of the first power.
Preferably, the pressure sensor is arranged on the upper position of body of heater.
Preferably, the pressure sensor is multiple, the pressure data of the controller foundation is multiple pressure sensings
The temperature of device measurement, to control the operation of steam dryer.
Preferably, the electric heater unit includes left pipe box, right pipe box and floating coiled pipe, floating coiled pipe and left pipe box and
Right pipe box is connected, and forms heating fluid closed circulation, and electrically heated rod is arranged in left pipe box and right pipe box；Left pipe box, right pipe
Filling heating fluid in case and floating coiled pipe；Floating coiled pipe is one or more, and each floating coiled pipe includes more circular arcs
Tube bank, the center line of the tube bank of more circular arc is the circular arc of concentric circles, the end connection of adjacent tube bank, so that tube bank
End formed tube bank free end.
Preferably, the concentric circles is the circle using the center of left pipe box as the center of circle, the internal diameter of left pipe box is D1, right pipe box
Internal diameter be D2, the power of the electrically heated rod of left pipe box is G1, and the power of the electrically heated rod of right pipe box is G2, is met such as ShiShimonoseki
System：
G1/G2=a* (D1/D2)2-b*(D1/D2)+c；
A, b, c are coefficients, wherein the ＜ c ＜ 2.77 of 0.82 ＜ a ＜, 0.91,1.95 ＜ b ＜ 2.05,2.67；
Wherein 58mm ＜ D1 ＜ 87mm；
29mm ＜ D2 ＜ 68mm；
1.2 ＜ D1/D2 ＜ 2.1：
1600W ＜ G1 ＜ 2500W；
670W ＜ G2 ＜ 1680W.
Preferably, as D1/D2 increase, a, c increase, b reduce.
The invention has the advantages that：
1st, the present invention realizes the intelligent control of electric heater heating power in steam dryer by pressure detecting, so as to protect
The stabilization of pressure is held, ensures gas efficiency, the energy is saved, improves security, improve the intellectuality of steam dryer.
2nd, floating coiled pipe is applied to the steam generation of steam dryer by the present invention, by setting floating coiled pipe, heating stream
Volumetric expansion, induction floating coiled pipe free end BC, B can be produced after body is heated ' C ' vibration is produced, so as to augmentation of heat transfer.
3rd, the present invention optimizes the best relation of the parameter of floating coiled pipe, so as to further improve by largely testing
The efficiency of heating surface.
4th, the present invention is by the way that electric heater is arranged in bobbin carriage, therefore directly fluid can be avoided to be connect with electric heater
Touch, so as to avoid getting an electric shock, play a part of protection.
5th, the present invention is by the setting of the electric heater capacities of different bobbin carriages, improves the uniform of the efficiency of heating surface and its heating
Property.
Brief description of the drawings：
Fig. 1 is the structural representation of steam dryer of the present invention.
Fig. 2 is the control structure schematic diagram of Fig. 1 steam dryers.
Fig. 3 is the Section A-A view in Fig. 1.
Fig. 4 is the electric heater unit section view in Fig. 1.
Fig. 5 is the Section A-A view in Fig. 4.
Fig. 6 is the scale diagrams of Fig. 5 structures.
Fig. 7 is the schematic flow sheet being controlled to steam dryer.
In figure：1st, body of heater, 2 water tanks, 3 tank entry pipelines, 4 water pumps, 5 jet pipes, 6 electric heater units, 7 steam outlet pipes
Road, 8 controllers, 9 flow sensors, 10 valves, 11 level sensors, 12 temperature sensors, 13 spouts, 14 nozzle entry pipes
Road, 15 pipelines, 16 shell bodies, 17 pressure sensors, 18 floating coiled pipes, 19 left pipe box, 20 free ends, 21 right pipe box, 22 tube banks,
23 electric heaters, 231 first electrically heated rods, 232 second electrically heated rods
Embodiment
A kind of steam dryer as shown in Figure 1, including body of heater 1, water tank 2, water pump 4, the water tank 2 are connected by pipeline 15
Water pump 4, the water pump 4 connect body of heater 1 by pipeline 14, electric heater unit 6, the top of body of heater 1 are set in the body of heater 1
Steam (vapor) outlet pipeline 7, the inlet porting pipeline 3 of water tank 2 are set.Steam (vapor) outlet pipeline 7 connects jet chimney, passes through steam pipe
Material is dried in road.After steam is utilized, entered by entrance pipe 3 in water tank 2, to reach the mesh recycled
's.
Described water is entered in body of heater 1 from water tank 3 by water pump 4, is heated in body of heater 1 by electric heater unit 6, is produced
Steam discharged by steam (vapor) outlet pipeline 7.
Needed preferably, the steam that steam (vapor) outlet pipeline 7 is discharged is set for example into jet chimney, on the jet chimney
The object to be dried, such as clothes etc..Certainly, steam can also enter in the steam pipe in dry kiln, such as rotary kiln.Steam
After being utilized, entered by entrance pipe 3 in water tank 2, to reach the purpose recycled.
Preferably, entrance pipe 3 connects running water pipe, water is supplemented by running water pipe.Preferably, running water pipe and
Purifier is set between water tank 2, running water is purified, avoids the fouling of electric heater unit in water tank, influences heating
Effect.
Preferably, the cross section of the body of heater 1 is circular configuration.
Preferably, the outside of body of heater 1 sets shell body 16, the water tank 4, water pump 2 are arranged in shell body 16.
Preferably, the electric heater unit 6 is multiple.The electric heating feeder apparatus 6 is set close to the vertical inner wall face of body of heater 1
Put, as shown in Figure 1.
Preferably, setting jet pipe 5 on the wall of the body of heater 1, spray orifice 13 is set on the jet pipe 5.The pipeline 14
Connecting spray nozzle 5, water is sent into by jet pipe 5 by water pump, then sprayed by spray orifice 13.
By setting jet pipe and spray orifice, water can be caused more to be evenly dispersed in the hot device of motor, further promoted
The generation of steam.
Preferably, as shown in figure 3, the jet pipe 5 sets a whole circle around the vertical inner wall of body of heater.By so setting
Put, the jet pipe 5 on whole inwall can be caused to connect so that water can be in the position of a whole circle of inboard wall of furnace body after entering jet pipe 5
Ejection water is put, so as to improve the output capacity of steam.
The present invention can realize following control：
(1) temperature control
Preferably, temperature sensor 12 is set, for measuring the temperature of the reclaimed water of body of heater 1 in the body of heater 1.The temperature
Sensor 12, electric heater unit 6 are connected with the data of controller 8, the temperature that the controller 8 measures according to temperature sensor 12 come
The heating power of automatic control electrical heating device 6.
Preferably, if the temperature that temperature sensor 12 measures is less than certain temperature, controller control electrical heating
Device 6 starts heating.If the temperature of temperature sensor measurement is higher than certain temperature, such as the critical-temperature higher than danger,
Then in order to avoid overheat, controller control electric heater unit 6 stop heating.
Preferably, if detection temperature data are less than the first numerical value, controller 8 improves electric heater unit 6 automatically
Heating power, if the temperature data of measurement is higher than second value, controller 8 reduces the heating work(of electric heater unit 6 automatically
Rate, the second value are more than the first numerical value.
Preferably, when the temperature of measurement is less than the first temperature, electric heater unit 6 starts heating, and with the first power
Heated；When the temperature of measurement is less than the second temperature lower than the first temperature, electric heater unit 6 is with higher than the first power
Second power is heated；When the temperature of measurement is less than three temperature lower than second temperature, electric heater unit 6 is with higher than
3rd power of two power is heated；When the temperature of measurement is less than four temperature lower than the 3rd temperature, electric heater unit 6
Heated with the 4th power higher than the 3rd power；When the temperature of measurement is less than five temperature lower than the 4th temperature, electricity
Heater 6 is heated with the 5th power higher than the 4th power.
Preferably, the first temperature is more than 4-6 degrees Celsius of second temperature, second temperature is more than the 3rd 4-6 degrees Celsius of temperature,
3rd temperature is more than the 4th 4-6 degrees Celsius of temperature, and the 4th temperature is more than the 5th 4-6 degrees Celsius of temperature.
Further preferably, the first temperature is more than 5.5-6 degrees Celsius of second temperature, and second temperature is more than the 3rd temperature 5-5.5
Degree Celsius, the 3rd temperature is more than the 4th 4.5-5 degrees Celsius of temperature, and the 4th temperature is more than the 5th 4-4.5 degrees Celsius of temperature.
Preferably, the 5th power is 1.1-1.3 times of the 4th power, the 4th power is 1.1-1.3 times of the 3rd power,
3rd power is 1.1-1.3 times of the second power, and the second power is 1.1-1.3 times of the first power.
Preferably, the 5th power is 1.1-1.15 times of the 4th power, the 4th power is the 1.15-1.2 of the 3rd power
Times, the 3rd power is 1.2-1.25 times of the second power, and the second power is 1.25-1.3 times of the first power.
, can be with especially by the setting of differential heating power and the temperature difference by the preferred of said temperature and power
The efficiency of heating surface is further improved, saves the time.It is found through experiments that, it is possible to increase 10-15% or so the efficiency of heating surface.
Preferably, the temperature sensor 12 is arranged on the bottom wall of body of heater.
Preferably, the temperature sensor 12 is multiple, the temperature data of the controller foundation is that multiple temperature pass
The temperature that sensor 12 measures, to control the operation of steam dryer.
(2) water level control
Preferably, level sensor 11, the level sensor 11, electric heater 6, water are set in described body of heater 1
Pump 4 is connected with the data of controller 8, and the controller 8 is according to the power of the water level automatically controlled water pump 4 in the body of heater 1 of measurement.
If preferably, water level decreasing, controller is then increased into body of heater 1 by controlling the power of raising water pump 4
Water flow, if water level is too high, 4 reduced by reducing the power of water pump 4 or switching off the pump into water in body of heater 1
Flow stops supplying water into body of heater 1.
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 produce security incident, on the other hand, avoid and caused because water level is too high
Water it is excessive, so as to cause steam generation rate too low.
Preferably, when the water level of measurement is less than the first water level, controller 8 controls water pump 4 to be supplied with the first power
Water；When the water level of measurement is less than second water level lower than the first water level, controller 8 controls water pump 4 with higher than the first power
Second power is supplied water；When the water level of measurement is less than three water level lower than the second water level, controller 8 control water pump 4 with
The 3rd power higher than the second power is supplied water；When the water level of measurement is less than four water level lower than the 3rd water level, control
Device 8 controls water pump 4 to be supplied water with the 4th power higher than the 3rd power；When the water level of measurement is less than lower than the 4th water level the
During five water levels, controller 8 controls water pump 4 to be supplied water with the 5th power higher than the 4th power.
Preferably, the first water level is 1.1-1.3 times of the second water level, the second water level is 1.1-1.3 times of the 3rd water level,
3rd water level is 1.1-1.3 times of the 4th water level, and the 4th water level is 1.1-1.3 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 the 3rd water level
Times, the 3rd 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 the 3rd power,
3rd 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,
The constant of water level can be quickly realized, steam generation rate is improved, saves the time.It is found through experiments that, it is possible to increase 12-16%
The steam output of left and right.
(3) according to control of the water level to heating power
Preferably, level sensor 11 is set in described body of heater 1, the level sensor 11, electric heater 6 and control
Data of device 8 processed connection, the controller 8 is according to the heating power of the water level automatic controlled electric heater in the body of heater 1 of measurement.
Preferably, if water level is too low, controller then reduces the power of electric heater 6 by controlling or directly closed
The heating of electric heater 6, so as to avoid, because steam output caused by heating power is too high is excessive, causing the further drop of water level
It is low, if water level is too high, by increasing the heating power of electric heater 6, steam output is improved, so as 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, causes electrical heating to fill
The damage put and produce security incident, on the other hand, avoid because water level is too high and caused by water in body of heater it is excessive,
So as to cause steam generation rate too low.
Preferably, when the water level of measurement is less than the first water level, controller 8 controls electric heater unit 6 with the first power
Heated；When the water level of measurement is less than second water level lower than the first water level, controller 8 controls electric heater unit 6 with low
Heated in the second power of the first power；When the water level of measurement is less than three water level lower than the second water level, controller 8
Control electric heater unit 6 is heated with the 3rd power less than the second power；When the water level of measurement is less than lower than the 3rd water level
Four water levels when, controller 8 control electric heater unit 6 heated with the 4th power less than the 3rd power；When measurement
When water level is less than five water level lower than the 4th water level, controller 8 controls electric heater unit with the 5th work(less than the 4th power
Rate is heated；When the water level of measurement is less than six water level lower than the 5th water level, controller 8 controls electric heater unit to stop
Heating.
Preferably, the first water level is 1.1-1.3 times of the second water level, the second water level is 1.1-1.3 times of the 3rd water level,
3rd water level is 1.1-1.3 times of the 4th water level, and the 4th water level is 1.1-1.3 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 the 3rd water level
Times, the 3rd 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 the 3rd power,
3rd 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 electrical heating
The setting for the power put, it can quickly realize being protected in predetermined home, and when water level is too high for water level
Steam generation rate is demonstrate,proved, saves the time.
(4) Stress control
Preferably, pressure sensor 17 is set, for measuring pressure in body of heater 1 in the body of heater 1.The pressure sensing
Device 17, electric heater unit 6 be connected with the data of controller 8, and the pressure that the controller 8 measures according to pressure sensor is controlled automatically
The heating power of electric heater unit 6 processed.
Preferably, if the pressure that pressure sensor 17 measures is less than certain pressure, controller 8 controls electrical heating
Device 6 starts heating.If the temperature of pressure sensor measurement is higher than pressure upper limit, danger is produced in order to avoid pressure is excessive
Danger, controller control electric heater unit 6 stop heating.
By being arranged such, heating power can be adjusted according to the pressure in body of heater 1, so as to ensure to maximize steam
In the case of output, ensure the safety of steam dryer.
Preferably, if the pressure that pressure sensor 17 measures is less than a certain numerical value, controller 8 controls electrical heating dress
Put 6 raising heating powers.If the temperature of pressure sensor measurement is higher than certain numerical value, danger is produced in order to avoid pressure is excessive
Danger, controller control electric heater unit 6 reduce heating power.
Preferably, when the pressure of measurement is higher than first pressure, controller 8 controls the heating power of electric heater unit 6
The first power is reduced to be heated；When the pressure of measurement is higher than the second pressure higher than first pressure, controller 8 controls electricity
The heating power of heater 6 is reduced to second power lower than the first power and heated；When the pressure of measurement is higher than than the
During high three pressure of two pressure, controller 8 controls the heating power of electric heater unit 6 to be reduced to threeth lower than the second power
Power is heated；When the pressure of measurement is higher than four pressure higher than the 3rd pressure, controller 8 controls electric heater unit 6
Heating power be reduced to fourth power higher than the 3rd power and heated；When the pressure of measurement is higher than higher than the 4th pressure
During five pressure, controller 8 stops the heating of electric heater unit 6.
Preferably, the 4th power is 0.4-0.6 times of the 3rd power, the 3rd 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 the 3rd power, the 3rd 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.
The pressure sensor 17 is arranged on the upper position of body of heater.
Preferably, the pressure sensor 17 is multiple, the pressure data of the controller foundation is that multiple pressure pass
The temperature that sensor 17 measures, to control the operation of steam dryer.
(5) steam flow controls
Preferably, flow sensor 9, the steaming for cooling water of units of measurement time output are set on the steam (vapor) outlet pipeline 7
Steam flow amount, the flow sensor 9, electric heater 6 are connected with the data of controller 8.The controller 8 is according to the steam stream of measurement
Measure the power of automatic controlled electric heater.
Preferably, if the steam flow of measurement is less than certain numerical value, controller 8 controls electric heater unit 6 to increase
Add heating power.If the temperature of pressure sensor measurement is higher than certain numerical value, controller control electric heater unit 6, which reduces, to be added
Thermal power.
By being arranged such, it quantity of steam can adjust heating power according to caused by steam dryer, ensure steam
Output quantity it is constant, avoid quantity excessive or too small, cause quantity of steam deficiency or waste.
Preferably, when the flow of measurement is higher than first flow, controller 8 controls the heating power of electric heater unit 6
The first power is reduced to be heated；When the flow of measurement is higher than the second flow higher than first flow, controller 8 controls electricity
The heating power of heater 6 is reduced to second power lower than the first power and heated；When the flow of measurement is higher than than the
During high three flow of two flows, controller 8 controls the heating power of electric heater unit 6 to be reduced to threeth lower than the second power
Power is heated；When the flow of measurement is higher than four flow higher than the 3rd flow, controller 8 controls electric heater unit 6
Heating power be reduced to fourth power higher than the 3rd power and heated；When the flow of measurement is higher than higher than the 4th flow
During five flows, controller 8 stops the heating of electric heater unit 6.
Preferably, the 4th power is 0.4-0.6 times of the 3rd power, the 3rd 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 the 3rd power, the 3rd 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 the 3rd flow
Times, the 3rd 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 electrical heating
The setting for the power put, the constant of flow can be quickly realized, saves the time.
Another object of the present invention is to provide a kind of new-type electric heater unit, steam dryer is particularly suitable for
Electric heater unit.
Fig. 4 illustrates the section schematic diagram of electric heater unit 6, and the electric heater unit 6 includes left pipe box 19, right pipe box 21
With floating coiled pipe 18, floating coiled pipe 18 is connected with left pipe box 19 and right pipe box 21, and heating fluid is in left pipe box 19 and right pipe box
21 and floating coiled pipe in carry out closed circulation, electric heater 23 is set in the electric heater unit 6, and the electric heater 23 is used
In the interior fluid of heating electric heater unit 6, then by the fluid of heating come the water in heating water tank.
Preferably, electric heater unit 6 is arranged in left pipe box 19 or right pipe box 21.
Floating coiled pipe 18 is for one group or multigroup, and every group of floating coiled pipe 18 includes the tube bank 22 of more circular arc, more circles
The center line of the tube bank 22 of arc is the circular arc of concentric circles, the end connection of adjacent tube bank 22, so that the end of coil pipe 18
Form tube bank free end 20, such as the free end 20 in Fig. 5.
Heating fluid is subsequently filled preferably, being vacuumized in described electric heater unit.
Preferably, heating fluid is ammonia, methanol or ethanol.
Preferably, heating fluid is one kind in caesium, rubidium.
Traditional floating coiled pipe is all to carry out vibrating scale removal effect progress augmentation of heat transfer using the impact of the flowing of fluid, all
It is to be used for forced-convection heat transfer, and the water poor fluidity in steam dryer, can not carries out forced-convection heat transfer flowing, and this hair
It is bright that floating coiled pipe is applied to steam dryer first, it is swollen volume to be produced by setting floating coiled pipe, after heating fluid is heated
Swollen, induction floating coiled pipe 18 free end 20 produces vibration, because the vibration is transferred to ambient water, disturbance effect is produced to the water of surrounding
Fruit, so as to generate the effect of augmentation of heat transfer.
In the present invention, because electric heater 23 is arranged in bobbin carriage 19,21, therefore fluid can be directly avoided to add with electricity
Hot device contact, so as to avoid getting an electric shock, plays a part of protection.
As with preferred, the left pipe box 19, right pipe box 21 and floating coiled pipe 18 are all circular tube structures.
Preferably, the tube bank of floating coiled pipe 18 is elastic tube bundle.
By the way that the tube bank of floating coiled pipe 18 is set into elastic tube bundle, the coefficient of heat transfer can be further improved.
Preferably, the concentric circles is the circle using the center of left pipe box 19 as the center of circle.That is the tube bank 22 of floating coiled pipe 18
Center line around left pipe box 19 is arranged.
As shown in figure 5, tube bank 22 is not a complete circle, but an oral area is reserved, so as to form the freedom of tube bank
End.Angle where the circular arc of the oral area is 65-85 degree, i.e. Fig. 6 angles b and c sum is 65-85 degree.
Preferably, the caliber of the left pipe box 19 is more than the caliber of right pipe box 21.
By above-mentioned setting, can further augmentation of heat transfer, improve 8-15% heat exchange efficiency.
Preferably, the internal diameter of left pipe box is D1, the internal diameter of right pipe box is D2, then 1.5 ＜ DI/D2 ＜ 2.5.
It is preferably provided with by above-mentioned, enables to heat exchange efficiency to reach optimal.
Preferably, with more remote apart from the center of left pipe box 19, the distance between adjacent tube bank is increasing.
Preferably, the increasing amplitude of the distance between adjacent tube bank constantly increases.
It is preferably provided with by above-mentioned, can further improves heat exchange efficiency, increases the uniformity of heating.Sent out by testing
It is existing, 10-11% heat exchange efficiency can be improved by above-mentioned setting.
Preferably, with more remote apart from the center of left pipe box 19, the diameter of tube bank is increasing.
Preferably, the increasing amplitude of diameter of tube bank constantly increases.
It is preferably provided with by above-mentioned, can further improves heat exchange efficiency, increases the uniformity of heating.Sent out by testing
It is existing, 10% or so heat exchange efficiency can be improved by above-mentioned setting.
Preferably, electric heater 23 is separately positioned in left pipe box 19 and right pipe box 21 as described in Figure 4, i.e., the first electricity adds
Hot device 231 is arranged in left pipe box 19, and the second electric heater 232 is arranged in right pipe box 21.
Preferably, left pipe box 19 is identical with the length of right pipe box 21.
Caliber as preferred left pipe box is more than the caliber of right pipe box.
Preferably, as shown in figure 4, when steam dryer is run, the heating power of the first electric heater 231 is big
In the heating power of the second electric heater 232.By above-mentioned setting, be found through experiments that, enable to hot water in water tank plus
Heat is more uniform.
Preferably, the heating power of the first electric heater 231 is 1.3-1.8 times of the power of the second electric heater 232,
Preferably 1.4-1.65 times.
Found in numerical simulation and corresponding experiment, left pipe box 19, the size of right pipe box 21 and primary heater
Proportionate relationship between 231 and secondary heater 232 can have an impact to the efficiency of heating surface and uniformity.If left pipe box 19
It is too many with the size difference of right pipe box 21, and primary heater 231 and the heating power of secondary heater 232 difference are smaller, then
Can produce the efficiency of heating surface it is low and heating there is non-uniform phenomenon, similarly if left pipe box 19, right pipe box 21 size disparity too
Small and primary heater 231 and the heating power of secondary heater 232 difference are bigger, also occur that the efficiency of heating surface is low and adds
There is non-uniform phenomenon in heat.Therefore the present invention is summarized to above-mentioned relation by substantial amounts of numerical simulation, passes through experiment
Verified.Left pipe box 19, the size of right pipe box 21 and primary heater 231 are obtained and secondary heater 232 heat
Best relation between power.
Preferably, the internal diameter of left pipe box is D1, the internal diameter of right pipe box is D2, and the power of the electrically heated rod of left pipe box is
G1, the power of the electrically heated rod of right pipe box is G2, meets following relation：
G1/G2=a* (D1/D2)2-b*(D1/D2)+c；
A, b, c are coefficients, wherein the ＜ c ＜ 2.77 of 0.82 ＜ a ＜, 0.91,1.95 ＜ b ＜ 2.05,2.67；
Wherein 58mm ＜ D1 ＜ 87mm；
29mm ＜ D2 ＜ 68mm；
1.2 ＜ D1/D2 ＜ 2.1；It is preferred that 1.5 ＜ G1/G2 ＜ 2.3；
It is preferred that；1600W ＜ G1 ＜ 2500W；670W ＜ G2 ＜ 1680W.
Preferably, as D1/D2 increase, a, c increase, b reduce.
Preferably, the quantity of tube bank is 3-5 roots, preferably 3 or 4.
Preferably, a=0.87, b=2, c=2.72.
The distance of left pipe box 19 and the center line of right pipe box 21 is 220-270mm；Preferably 240-250mm.
The radius of tube bank is preferably 10-25mm；
Preferably, in the tube bank adjacent thereto of the circular arc where the tube bank center line of left pipe box center line recently
The distance between circular arc where heart line (such as the distance between center of arc's line in Fig. 4 where tube bank A and B) is two pipes
1.1-2.0 times of beam mean outside diameter (outer dia), preferably preferably 1.2-1.7 times, 1.3-1.5 times.
The weighted average of two pipe diameters of average out to of the diameter of two tube banks.
Preferably, end part aligning of the tube bank in the same side, in approximately the same plane, the extended line of end (or end
The plane at place) pass through left pipe box 19 center line, as shown in Figure 5.
Further preferably, the electric heater 23 is electrically heated rod.
Electric heater unit of the present invention, as shown in figure 5, the left pipe box 19 is connected with floating coiled pipe A ends；Right pipe box
21 are connected with floating coiled pipe D ends.
Preferably, as shown in figure 5, floating coiled pipe 18 inner side tube bank first end be connected with the first bobbin carriage 19, second
End is restrained one end with adjacent outside and is connected, and one end of the outermost tube bank of floating coiled pipe 18 is connected with the second bobbin carriage 8, adjacent
The end connection of tube bank, so as to form the structure of a series connection.
Plane and the angle c of the plane formation where the first bobbin carriage 19 and the center line of the second bobbin carriage 8 where first end are
40-50 degree.
Plane and the angle b of the plane formation where the first bobbin carriage 19 and the center line of the second bobbin carriage 8 where second end are
25-35 degree.
Pass through the design of above-mentioned preferable angle so that the vibration of free end reaches optimal, so that the efficiency of heating surface reaches
To optimal.
As shown in figure 5, the tube bank of floating coiled pipe is 4, tube bank A, B, C, D UNICOMs.Certainly, four are not limited to, can be with
It is arranged as required to multiple, specific attachment structure is identical with Fig. 5.
The floating coiled pipe 18 is multiple, and multiple floating coiled pipes 18 independently connect the first bobbin carriage 19 and the second bobbin carriage 8,
I.e. multiple floating coiled pipes 18 are parallel-connection structure.
Although the present invention is disclosed as above with preferred embodiment, the present invention is not limited to this.Any art technology
Personnel, without departing from the spirit and scope of the present invention, it can make various changes or modifications, therefore protection scope of the present invention should
It is defined when by claim limited range.
Claims (9)
1. a kind of steam dryer, including body of heater, water tank, water pump, the water tank connects water pump, the water pump by the first pipeline
Body of heater is connected by the second pipeline, electric heater unit is set in the body of heater, and the upper of furnace body sets steam (vapor) outlet pipeline, institute
State water tank inlet porting pipeline；Steam (vapor) outlet pipeline connects jet chimney, and material is dried by jet chimney；Steam enters
After row utilizes, entered by entrance pipe in water tank；Characterized in that, pressure sensor is set in the body of heater, for measuring
Pressure in body of heater；The pressure sensor, electric heater unit and controller data connect, and the controller is according to pressure sensor
The pressure of measurement automatically controls the heating power of electric heater unit.
2. steam dryer as claimed in claim 1, it is characterised in that if the pressure of pressure sensor measurement is less than certain
Pressure, then controller control electric heater unit start heating；If the temperature of pressure sensor measurement is higher than pressure upper limit, control
Device control electric heater unit processed stops heating.
3. steam dryer as claimed in claim 1 or 2, it is characterised in that if the pressure of pressure sensor measurement is less than
A certain numerical value, then controller control electric heater unit improve heating power；If the temperature of pressure sensor measurement is higher than certain
Numerical value, controller control electric heater unit reduce heating power.
4. steam dryer as claimed in claim 3, it is characterised in that when the pressure of measurement is higher than first pressure, control
The heating power of device control electric heater unit is reduced to the first power and heated；When the pressure of measurement is higher than higher than first pressure
Second pressure when, the heating power of controller control electric heater unit is reduced to second power lower than the first power and added
Heat；When the pressure of measurement is higher than three pressure higher than second pressure, the heating power drop of controller control electric heater unit
The 3rd as little as lower than the second power power is heated；When the pressure of measurement is higher than four pressure higher than the 3rd pressure,
The heating power of controller control electric heater unit is reduced to fourth power higher than the 3rd power and heated；When the pressure of measurement
When power is higher than five pressure higher than the 4th pressure, controller stops the heating of electric heater unit.
5. steam dryer as claimed in claim 4, it is characterised in that the 4th power is 0.4-0.6 times of the 3rd power, the
Three power are 0.6-0.8 times of the second power, and the second power is 0.7-0.9 times of the first power.
6. steam dryer as claimed in claim 5, it is characterised in that the 4th power is 0.5 times of the 3rd power, the 3rd work(
Rate is 0.7 times of the second power, and the second power is 0.8 times of the first power.
7. steam dryer as claimed in claim 1, it is characterised in that the pressure sensor is arranged on the upper bit of body of heater
Put.
8. steam dryer as claimed in claim 1, it is characterised in that the pressure sensor is multiple, the controller
The pressure data of foundation is the temperature of multiple pressure sensor measurements, to control the operation of steam dryer.
9. steam dryer as claimed in claim 1, it is characterised in that the electric heater unit includes left pipe box, right pipe box
And floating coiled pipe, floating coiled pipe are connected with left pipe box and right pipe box, heating fluid closed circulation is formed, electrically heated rod is arranged on
In left pipe box and right pipe box；Filling heating fluid in left pipe box, right pipe box and floating coiled pipe；Floating coiled pipe is for one or more
Individual, each floating coiled pipe includes the tube bank of more circular arc, and the center line of the tube bank of more circular arc is the circular arc of concentric circles, phase
The end connection of neighbour's tube bank, so that the end of tube bank forms tube bank free end.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910029889.9A CN109780522B (en) | 2016-08-31 | 2016-08-31 | Steam drying machine for controlling heating uniformity by tube bundle spacing |
| CN201610783735.5A CN107356095B (en) | 2016-08-31 | 2016-08-31 | A kind of steam dryer of pressure intelligent control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610783735.5A CN107356095B (en) | 2016-08-31 | 2016-08-31 | A kind of steam dryer of pressure intelligent control |
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| CN201910029889.9A Division CN109780522B (en) | 2016-08-31 | 2016-08-31 | Steam drying machine for controlling heating uniformity by tube bundle spacing |
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| CN107356095B CN107356095B (en) | 2019-02-22 |
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| CN201910029889.9A Active CN109780522B (en) | 2016-08-31 | 2016-08-31 | Steam drying machine for controlling heating uniformity by tube bundle spacing |
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| CN108916842A (en) * | 2018-08-16 | 2018-11-30 | 珠海格力智能装备有限公司 | Steam generation device and have its car washer |
| CN110067999A (en) * | 2018-11-28 | 2019-07-30 | 山东交通学院 | A kind of steam generator design method of segmentally heating |
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| CN110067999A (en) * | 2018-11-28 | 2019-07-30 | 山东交通学院 | A kind of steam generator design method of segmentally heating |
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| CN112797823A (en) * | 2020-01-19 | 2021-05-14 | 山东建筑大学 | Gas heat exchanger for heating according to pressure |
| CN112665414A (en) * | 2020-01-19 | 2021-04-16 | 山东大学 | Three-heat-source shell-and-tube heat exchanger capable of switching heat sources according to speed |
| CN112797821B (en) * | 2020-01-19 | 2022-05-24 | 山东大学 | Shell-and-tube heat exchanger for switching heat source to heat gas |
| CN112648862B (en) * | 2020-01-19 | 2022-05-27 | 山东大学 | Three-heat-source shell-and-tube heat exchanger capable of switching heat sources according to temperature |
| CN112665414B (en) * | 2020-01-19 | 2022-05-31 | 山东大学 | Three-heat-source shell-and-tube heat exchanger capable of switching heat sources according to speed |
| CN113137876A (en) * | 2020-03-04 | 2021-07-20 | 山东大学 | Loop heat pipe heat exchanger for switching heat source to heat gas |
| CN113137875A (en) * | 2020-03-04 | 2021-07-20 | 山东大学 | Loop heat pipe heat exchanger for heating according to pressure difference |
| CN113137876B (en) * | 2020-03-04 | 2022-03-15 | 山东大学 | Loop heat pipe heat exchanger for switching heat source to heat gas |
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| CN112129093A (en) * | 2020-04-29 | 2020-12-25 | 山东大学 | Hot water steam switching heating device provided with balance part |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107356095B (en) | 2019-02-22 |
| CN109780522A (en) | 2019-05-21 |
| CN109780522B (en) | 2020-03-24 |
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Effective date of registration: 20230407 Address after: Taoyuan Qiandong Street Village, Taoyuan Ji Town, Cao County, Heze City, Shandong Province, 274400 Patentee after: Heze Longtai Heating Co.,Ltd. Address before: 535500 southern suburb of Shangsi County, Fangchenggang City, Guangxi Zhuang Autonomous Region Patentee before: Guangxi SHIWANSHAN Pharmaceutical Co.,Ltd. |