CN108759069A - Keep flowing out the method and device of fluid constant temperature when wide flow material flow mutation - Google Patents
Keep flowing out the method and device of fluid constant temperature when wide flow material flow mutation Download PDFInfo
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- CN108759069A CN108759069A CN201810860448.9A CN201810860448A CN108759069A CN 108759069 A CN108759069 A CN 108759069A CN 201810860448 A CN201810860448 A CN 201810860448A CN 108759069 A CN108759069 A CN 108759069A
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- fluid
- electric heater
- temperature
- deflector
- flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/101—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2028—Continuous-flow heaters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Temperature (AREA)
Abstract
Keep flowing out the method and device of fluid constant temperature when wide flow material flow mutation, main into installation fluid inlet detection sensor in flow tube, installation fluid outlet detection sensor is exported in main outflow tube simultaneously, and setting temperature sensor is exported in deflector electric heater；It is obtained by fluid inlet detection sensor and enters the main various data of influent stream pipe fluid, and these data are transferred to controller；Controller is previously set the upper and lower bound of fluid heating temperature and compares data and setting value after controller receives the data that fluid inlet detection sensor transmits, and according to relatively more determining opens solenoid valve and deflector electric heater group number；The deflector electric heater exit fluid temperature data that deflector outlet temperature of electric heater sensor measures simultaneously, and the main outflow tube outlet fluid data that fluid outlet detection sensor measures, every group of deflector electric heater capacity size is adjusted in real time, and the fluid temperature (F.T.) of outflow heating device is made to be maintained in constant range.
Description
Technical field
The present invention relates to a kind of fluid temperature (F.T.) control method and device, refer in particular to a kind of wide flow material flow of holding
The method and device that fluid constant temperature is flowed out when mutation, fluid temperature (F.T.) when wide changes in flow rate may be implemented by this method and device
Constant problem；The heated at constant temperature technical field that can be widely applied to various wide range of flow fluids, belongs to fluid constant temperature control
Technical field processed.
Background technology：
Electronic device can all generate heat when working normally, and heat cannot such as shed in time, and electronic device just cannot keep its normal work
Make temperature, the heat dissipation of electronic device is particularly important to the normal work of device.Dissipation from electronic devices has air-cooled, water cooling, impregnates cold
Since its is small, power density is high for equal various ways, wherein water-cooling, heat dissipation effect is excellent and safe efficient,
The advantages that environmentally friendly and energy saving, is widely used in the cooling system of power electronic equipment.
Current existing electric fluid heating device, including the heating of electrothermal tube tank body, electromagnetic type tank body agitating and heating and heat conduction
Oil heating is not suitable for the heated at constant temperature of wide range of flow fluid with upper heater.The temperature of existing fluid heater on the market
Control mode mainly has：It is constant that one is heater powers, and temperature is controlled by adjusting the flow of fluid, the big heating of flow
Fluid temperature (F.T.) is low, and flow hour temperature is high.Another kind is that the flow of heater heating is constant, and heater power is larger, heater
Power adjustable, by adjusting the power of heater, to reach the temperature for adjusting heating fluid.Be not suitable for wide changes in flow rate range
Fluid heated at constant temperature.
By patent retrieval to some patents about fluid heated at constant temperature, but patent same as the present invention is not found
Technology and control method, patent related to the present invention mainly have following some：
1, Patent No. CN201320222948.2, entitled " liquid constant-temperature control device ", patentee Shang Haidong
The utility model patent of new metallurgical technology Engineering Co., Ltd, two kinds of streams which disclose a kind of by changing different temperatures
The temperature control equipment of the blending ratio of body.Electric-heating water is first just used, then is exchanged heat by water and heated liquid.Pass through control
System heats the temperature of water to realize the constant of heated liquid temperature.Including thermometric and temperature control, when thermometric, when fluid continues from defeated
When outlet pipe exports, temperature sensor measures the temperature of output fluid by temperature probe, and temperature data is transmitted to controller；Control
The upper limit value and lower limiting value of fluid temperature (F.T.) is previously set in Wen Shi, controller, and controller receives the fluid of temperature sensor transmission
After temperature data, measured value and setting value are compared：If measured value is higher than the upper limit value of setting value, controller controls to adjust valve
Intensifying valve open amount increases the cooling water water conveyed from cooling water inlet pipe to circulating water pipe, to reduce recirculated water
Water temperature, by the heat exchange of circulating water pipe and heat exchanger, the final temperature for reducing fluid；If measured value is less than the lower limit of setting value
Value, controller control to adjust valve and reduce valve opening amount, reduce the cooling water water conveyed from cooling water inlet pipe to circulating water pipe
Amount, to improve the water temperature of recirculated water, by the heat exchange of circulating water pipe and heat exchanger, the final temperature for improving fluid；If real
Measured value then maintains the open amount of regulating valve constant between the upper limit value and lower limiting value of setting value.
2, number of patent application CN201210280934.6, entitled " PTC Heater Control Systems ", patent right
The artificially patent of invention of " Kunshan Lianhua Printing Co., Ltd. ", which disclose constant to water volume using PTC heater elements
Heating chamber in water be added to the control system for keeping constant water temperature after set temperature by the alternation of PTC heater elements, packet
Include power supply, Switching Power Supply, control module, drive module, water pump and the heater for including several groups PTC heater elements, power supply with
Switching Power Supply is connected, and Switching Power Supply is connected with control module and drive module respectively, water pump and several groups parallel with one another
PTC heater elements are connected to both ends of power respectively, control module and drive module can mutual data transmission, drive module can
It controls water pump to open and close, drive module can control that several groups PTC heater elements are opened successively, be staggered closing and alternate wheel
Work is flowed, is equipped with several temperature sensors in the heating cavity of heater, temperature sensor is connected with control module, temperature
Sensor can transmit data to the control module.
3, Patent No. CN201480005672.X, it is entitled " multicomponent system heater ", patentee be " watt
The patent of invention of Ge Na spraying technologies Co., Ltd ", which disclose use multigroup heater module individually to flowing into every group
The different fluid of heater module is heated, and is mixed again after different fluid heating.Including：Multiple heater modules, often
A heater module has the multiple holes at least forming first group of sub-path and second group of sub-path；And at least one heating
Component container, at least one heating element container are configured as accommodating for heating first group of sub-path and second
The heating element of group sub-path.
4, Patent No. JP1993291263, entitled " fluid constant temperature method and び そ devices ", application is artificial
The patent of invention of " エ ス エ ム シ ー Co., Ltd. ", which disclose a kind of " fluid temperature (F.T.) change Move The smoothing て
High Accuracy Constant Temperature と The Ru, fluid constant temperature method and び thermostat The provide The Ru ", device apparatus structure is " the 1st temperature
It spends 23 Ga of セ Application サ and calculates 15 The stream れ Ru fluid inlet Side mean temperature signals と of the 1st Hot Jiao Change devices of, the 2nd temperature
21 To of note Hot Jiao Change devices outlet Side fluid temperature signal と The temperature U Application ト ロ ー ラ enters on 24 Ga of セ Application サ detection
Power, The temperature U Application ト ロ ー ラ In drives Move さ れ Ru systems and drives 22 Ga of circuit, mean temperature signal The Wen Du Let definite value と て
Fluid temperature signal The PID systems drive The Ru こ と To I り, upper note Hot Jiao Change device The adds Hot and び cools down The る サ ー モ モ ジ
ュ ー Le 17, logical Electricity amounts と lead to the imperial て, サ ー モ モ ジ ュ ー Le of the directions Electricity と The systems and Hot と coolings を Kuri り are added to return
The こ と To I っ て, upper note fluid temperature (F.T.) become Move The smoothing て High Accuracy Constant Temperature fluid と The Ru ".
By being carefully analyzed to these above-mentioned patents, although these patents have been directed to the temprature control method of fluid
Or device, it was also proposed that some improved technology schemes, but by carefully analyzing, still without proposing to solve not noted earlier to be not suitable for
The method of the fluid heated at constant temperature problem of wide changes in flow rate range, therefore solve existing electric fluid heating device noted earlier not
The problem of being suitble to the fluid constant temperature of width changes in flow rate range, still remains, so still needing further to be researched and solved.
Invention content
It is permanent it is an object of the invention to be not suitable for the fluid of wide changes in flow rate range for existing electric fluid heating device
The problem of temperature heating, propose a kind of new fluid thermostatic heating method and device, this kind of fluid thermostatic heating method and device can
To be suitble to the fluid heated at constant temperature of wide changes in flow rate range, the fluid temperature (F.T.) of outflow fluid heater is made to be in setting heating temperature
Between the upper and lower bound value of degree, reaches and keep flowing out fluid constant temperature when wide flow material flow mutation.
In order to reach this purpose, outflow fluid constant temperature when the present invention provides a kind of holding width flow material flow mutation
Method, in the master of fluid heater into installing fluid inlet detection sensor in flow tube, while in the master of fluid heater
Outflow tube outlet installation fluid outlet detection sensor, and export setting temperature sensor in deflector electric heater；Pass through stream
Body entrance detection sensor obtains the various data for entering main influent stream pipe fluid, and these data are transferred to controller, controls
The upper and lower bound of fluid heating temperature is previously set in device, and controller receives the data that fluid inlet detection sensor transmits
Afterwards, data and setting value are compared, and according to the group number for relatively determining opens solenoid valve and deflector electric heater；Root simultaneously
Go out according to the fluid temperature data for the deflector electric heater outlet that deflector outlet temperature of electric heater sensor measures, and master
The main outflow tube outlet fluid data that the fluid outlet detection sensor of flow tube outlet measures, adjusts every group of deflector electricity and adds in real time
The watt level of hot device, make outflow fluid heater fluid temperature (F.T.) be in setting heating temperature upper and lower bound value it
Between, it reaches and keeps flowing out fluid constant temperature when wide flow material flow mutation.
Further, the master in heating device into installation fluid inlet detection sensor in flow tube be to add in fluid
Hot charging centers multigroup deflector and electric heater component, and multigroup deflector is led with electric heater component parallel arrangement, every group
The import of flowing plate and electric heater component is connect with solenoid valve, and the outlet of every group of deflector electric heater is connect with manual ball valve,
Solenoid valve connects current divider, and manual ball valve connects current collector, and current divider connection is main into flow tube, and current collector connects main outflow tube, main
Inlet solenoid valve, inlet pressure sensor and inlet temperature sensor are housed on into flow tube.
Further, while described the main outflow tube of heating device export installation fluid outlet detection sensor be
In main outflow tube outlet port installation outlet temperature sensor and outlet pressure sensor.
Further, each deflector electric heater, solenoid valve, inlet solenoid valve, inlet pressure sensor, import
Temperature sensor, outlet temperature sensor, outlet pressure sensor are connect by signal wire with control controller, and controller passes through
The solenoid valve that different number is opened in control meets flow system flow variation requirement, and passes through the fever work(for controlling deflector electric heater
Rate realizes the control of the constant temperature to flowing out heating device fluid temperature (F.T.).
Further, if the main flow into flow tube of actual measurement increases, controller control increases opens solenoid valve and water conservancy diversion
According to deflector outlet temperature of electric heater and main outflow tube Outlet Temperatures, adjustment is every in real time simultaneously for plate electric heater quantity
The watt level of group deflector electric heater makes the fluid temperature (F.T.) of outflow heating device be in the upper limit of setting heating temperature under
Between limit value.
Further, if the main flow into flow tube of actual measurement is reduced, controller control reduces opens solenoid valve and water conservancy diversion
Plate electric heater quantity is adjusted according to deflector outlet temperature of electric heater and main outflow tube exit fluid temperature data in real time simultaneously
The watt level of whole every group of deflector electric heater makes the fluid temperature (F.T.) of outflow heating device be in the upper limit of setting heating temperature
Between lower limiting value.
Further, the deflector electrical heating calorifier inlets are connect with solenoid valve connection outlet with manual ball valve,
Solenoid valve valve in front of this group of deflector electric heater and rear need to be only closed when every group of diversion electric heater needs to safeguard
Manual ball valve does not influence the normal use of heating device.
Further, the controller selects PLC controls or programmable controller.
Further, the master connects current divider into flow tube；Current divider connects solenoid valve；Solenoid valve connects deflector electricity
Heater；Deflector electric heater connects manual ball valve；Manual ball valve connects current collector；Current collector connects main outflow tube；Ensure
The identical flow resistance in path that fluid flows through each deflector electric heater is consistent.
A kind of device for keeping flowing out fluid constant temperature when wide flow material flow mutation, including deflector electric heater, master
Into flow tube and main outflow tube, deflector electric heater is multigroup deflector electric heater more than two, and multigroup deflector is electric
Heater is arranged in parallel in fluid heater；The entrance of every group of deflector electric heater is respectively equipped with entrance fluid data prison
Examining system, outlet are equipped with outlet fluid data and monitor system；Entrance fluid data monitors system and outlet fluid data monitoring system
System carries out data exchange, and the output control fluid heater deflector for passing through data exchange with fluid heater controller
The unlatching group number of electric heater, to ensure the fluid temperature (F.T.) flowed out from main outflow tube within the scope of controlled.
Further, the import of every group of deflector electric heater is connected to current divider by inlet control valve, then by shunting
Device connection is main into flow tube；Inlet control valve is electric control valve, is controlled by fluid heater controller；Every group of water conservancy diversion
Equipped at least with two temperature sensors on plate electric heater, one is inlet temperature sensor, for detecting deflector electrical heating
Peak temperature on device；One is outlet temperature sensor, for detecting deflector electric heater exit fluid temperature.
The advantage of the invention is that：
Proposed by the invention a kind of wide flow material method for heating and controlling and its device can be suitble to the stream of different flow range
Body heating remains to keep the stabilization of outflow heating device fluid temperature (F.T.) when flow increases and reduces suddenly during heating.Work
Increase or decrease the deflector electric heater while root for participating in heating in time according to the size of main influent stream pipe fluid flow in the process
Adjust the work(of every group of deflector electric heater in real time according to deflector outlet temperature of electric heater and main outflow tube Outlet Temperatures
Rate size makes the fluid temperature (F.T.) of outflow heating device be between the upper and lower bound value of setting heating temperature;With the efficiency of heating surface
High, the features such as power consumption is small, heating temperature stability is good, occupied space is seldom, outflow port stream can be kept when flow is constant
Temperature can keep the fluid temperature (F.T.) of outflow heating device in ± 3 DEG C, and in 1min in ± 1.5 DEG C when flow is mutated
So that the fluid temperature (F.T.) of outflow heating device is reached in ± 1.5 DEG C afterwards, is heated than traditional mode of heating using water conservancy diversion board heating apparatus
It is safer.The present invention can be widely applied to the fluid heating of various wide range of flows.
Description of the drawings
Fig. 1 is one embodiment of the present of invention structure diagram schematic diagram.
It is main into flow tube 1, inlet solenoid valve 2, flow sensor 3, inlet pressure sensor 4, inlet temperature sensor in figure
5, current divider 6, solenoid valve 7, deflector electric heater 8, manual ball valve 9, current divider 10, outlet temperature sensor 11, outlet pressure
Force snesor 12, main outflow tube 13, controller 14.
Specific implementation mode
It is next in the following with reference to the drawings and specific embodiments that the present invention is further explained.
Embodiment one
A kind of device for keeping flowing out fluid constant temperature when wide flow material flow mutation, including deflector electric heater 8, main influent stream
Pipe 1 and main outflow tube 13, deflector electric heater 8 is multigroup deflector electric heater more than two, and multigroup deflector is electric
Heater is arranged in parallel in fluid heater；The entrance of every group of deflector electric heater 8 is respectively equipped with entrance fluid data
Monitoring system, outlet are equipped with outlet fluid data and monitor system；Entrance fluid data monitors system and outlet fluid data monitoring
System carries out data exchange, and the output control fluid heater water conservancy diversion for passing through data exchange with fluid heater controller
The unlatching group number of plate electric heater, to ensure the fluid temperature (F.T.) flowed out from main outflow tube within the scope of controlled.
The import of every group of deflector electric heater is connected to current divider by inlet control valve, then by current divider connection it is main into
Flow tube；Inlet control valve is electric control valve, is controlled by fluid heater controller；Every group of deflector electric heater
On equipped at least with two temperature sensors, one is inlet temperature sensor, for detecting the highest on deflector electric heater
Point temperature；One is outlet temperature sensor, for detecting deflector electric heater exit fluid temperature.
It is main into flow tube equipped with inlet solenoid valve, inlet pressure sensor, inlet temperature sensor；It is equipped on main outflow tube
Outlet temperature sensor, outlet pressure sensor.
The outlet of every group of deflector electric heater connects current collector by discharge control valve, then goes out to flow by current collector connection is main
Pipe；
It is described as follows below in conjunction with the accompanying drawings：
By attached drawing 1 as can be seen that the present invention relates to a kind of dresses for keeping flowing out fluid constant temperature when wide flow material flow mutation
It sets, including deflector electric heater 8, main into flow tube 1 and main outflow tube 13, deflector electric heater 8 is more than two multigroup
Deflector electric heater, and multigroup deflector electric heater is arranged in parallel in fluid heater；Every group of deflector
Electric heater（8）Import connect solenoid valve（7）, every group of deflector electric heater（8）Outlet connect manual ball valve（9）, electricity
Magnet valve（7）Connect current divider（6）, manual ball valve（9）Connect current collector（10）, current divider（6）Connection is main into flow tube（1）, afflux
Device（10）Connect main outflow tube（13）, main into flow tube（1）It is upper that inlet solenoid valve is housed（2）, inlet pressure sensor（4）, import
Temperature sensor（5）.Main outflow tube（13）It is upper that outlet temperature sensor is housed（11）, outlet pressure sensor（12）.
Each deflector electric heater（8）, solenoid valve（7）, inlet solenoid valve（2）, inlet pressure sensor（4）,
Inlet temperature sensor（5）, outlet temperature sensor（11）, outlet pressure sensor（12）It is connect with controller by signal wire
（14）, controller（14）The solenoid valve of different number is opened by control（7）Meet flow system flow variation to require, and passes through control
Deflector electric heater（8）Heating power realize to fluid flow out heating device temperature thermostatic control.
The fluid has one group of conductance plate electric heater when flowing into heating device（8）Preceding solenoid valve（7）It is open;
Every group of deflector electric heater（8）Including at least a deflector electric heater（8）, each deflector electric heater up to
There are two temperature sensors for few dress, and a temperature sensor is for detecting deflector electric heater（8）On peak temperature, one
It is a to be used to detect deflector electric heater（8）Exit fluid temperature.
The stabilization that outflow heating device fluid temperature (F.T.) when different flow range fluid heats may be implemented by the present apparatus, when
It leads into flow tube upper inlet solenoid valve（2）Fluid is lasting from main into flow tube when opening（1）Heating device is flowed into, is led into flow tube
（1）Flow sensor（3）, inlet temperature sensor（5）, inlet pressure sensor（4）Measure flow, the import of incoming fluid
Temperature, inlet pressure, and fluid flow, inlet temperature, inlet pressure data are transferred to controller（14）.
Controller（14）The upper and lower bound of fluid heating temperature, controller is previously set（14）Receive flow sensor
（3）, inlet temperature sensor（5）After the flow of transmission, inlet temperature data, measured value and setting value are compared, according to than
Compared with controller（14）How many groups of solenoid valves are opened in control（7）With how many groups of deflector electric heaters（8）Simultaneously according to deflector electricity
Heater（8）Exit fluid temperature data and main outflow tube（13）Exit fluid temperature data adjust every group of deflector electricity and add in real time
Hot device（8）Watt level, make outflow heating device fluid temperature (F.T.) be in setting heating temperature upper and lower bound value between.
It is main into flow tube when work（1）On inlet solenoid valve（2）It opens, fluid is from main into flow tube（1）It flows into, main influent stream
Pipe（1）On flow sensor（3）, inlet temperature sensor（5）, inlet pressure sensor（4）.By the flow of incoming fluid,
Inlet temperature, inlet pressure data are transferred to controller（14）；Controller（14）Measured value and setting value are compared, according to than
Compared with controller（14）How many groups of solenoid valves are opened in control（7）With multigroup deflector electric heater（8）Heating, fluid is by leading into flow tube
（1）Flow into current divider（6）, then through solenoid valve（7）Uniformly flow into every group of heat-conducting plate electric heater（8）, pass through to deflector electricity and add
Hot device（8）The fluid of heating is through manual ball valve（9）Flow into current collector（10）, eventually by main outflow tube（13）Flow out fluid heating
Device.
Deflector outlet temperature of electric heater sensor and main outflow tube simultaneously（13）Outlet temperature sensor（11）Survey
The temperature data for obtaining fluid outflow deflector electric heater and main outflow tube is transmitted to controller（14）, controller（14）Adjustment in real time
Every group of deflector electric heater（8）Watt level, push fluid out heating device temperature be in setting heating temperature it is upper
Between limit and lower limiting value, continuous heating is carried out.
If actual measurement is main into flow tube（1）In flow increase when, controller（14）Control increases opens solenoid valve（7）And water conservancy diversion
Plate electric heater（8）Quantity is adjusted according to deflector outlet temperature of electric heater and main outflow tube Outlet Temperatures in real time simultaneously
Every group of deflector electric heater（8）Watt level, make outflow heating device fluid temperature (F.T.) be in setting heating temperature it is upper
Between limit and lower limiting value.
If actual measurement is main into flow tube（1）In flow reduce when, controller（14）Control reduces opens solenoid valve（7）And water conservancy diversion
Plate electric heater（8）Quantity is real-time according to deflector outlet temperature of electric heater and main outflow tube exit fluid temperature data simultaneously
Adjust every group of deflector electric heater（8）Watt level, make outflow heating device fluid temperature (F.T.) be in setting heating temperature
Upper and lower bound value between.
Above-mentioned listed embodiment, only carries out clear, complete description in conjunction with attached drawing to technical scheme of the present invention；It is aobvious
So, described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, all other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
By the description of above-described embodiment, it is known that the invention further relates to a kind of wide flow material flow mutation of holding
When flow out the method for fluid constant temperature, in the master of fluid heater into installing fluid inlet detection sensor in flow tube, at the same
The main outflow tube outlet installation fluid outlet detection sensor of fluid heater, and export setting temperature in deflector electric heater
Spend sensor；The various data for entering main influent stream pipe fluid are obtained by fluid inlet detection sensor, and these data are passed
It is defeated by controller, the upper and lower bound of fluid heating temperature is previously set in controller, and controller receives fluid inlet detection sensing
After the data that device transmits, data and setting value are compared, and are added according to relatively more determining opens solenoid valve and deflector electricity
The group number of hot device；The fluid of the deflector electric heater outlet measured simultaneously according to deflector outlet temperature of electric heater sensor
The main outflow tube outlet fluid data that temperature data and the fluid outlet detection sensor of main outflow tube outlet measure, in real time
The watt level for adjusting every group of deflector electric heater makes the fluid temperature (F.T.) of outflow fluid heater be in setting heating temperature
Upper and lower bound value between, reach and keep flowing out fluid constant temperature when wide flow material flow mutation.
Further, the master in heating device into installation fluid inlet detection sensor in flow tube be to add in fluid
Hot charging centers multigroup deflector and electric heater component, and multigroup deflector is led with electric heater component parallel arrangement, every group
The import of flowing plate and electric heater component is connect with solenoid valve, and the outlet of every group of deflector electric heater is connect with manual ball valve,
Solenoid valve connects current divider, and manual ball valve connects current collector, and current divider connection is main into flow tube, and current collector connects main outflow tube, main
Inlet solenoid valve, inlet pressure sensor and inlet temperature sensor are housed on into flow tube.
Further, while described the main outflow tube of heating device export installation fluid outlet detection sensor be
In main outflow tube outlet port installation outlet temperature sensor and outlet pressure sensor.
Further, each deflector electric heater, solenoid valve, inlet solenoid valve, inlet pressure sensor, import
Temperature sensor, outlet temperature sensor, outlet pressure sensor are connect by signal wire with control controller, and controller passes through
The solenoid valve that different number is opened in control meets flow system flow variation requirement, and passes through the fever work(for controlling deflector electric heater
Rate realizes the control of the constant temperature to flowing out heating device fluid temperature (F.T.).
Further, if the main flow into flow tube of actual measurement increases, controller control increases opens solenoid valve and water conservancy diversion
According to deflector outlet temperature of electric heater and main outflow tube Outlet Temperatures, adjustment is every in real time simultaneously for plate electric heater quantity
The watt level of group deflector electric heater makes the fluid temperature (F.T.) of outflow heating device be in the upper limit of setting heating temperature under
Between limit value.
Further, if the main flow into flow tube of actual measurement is reduced, controller control reduces opens solenoid valve and water conservancy diversion
Plate electric heater quantity is adjusted according to deflector outlet temperature of electric heater and main outflow tube exit fluid temperature data in real time simultaneously
The watt level of whole every group of deflector electric heater makes the fluid temperature (F.T.) of outflow heating device be in the upper limit of setting heating temperature
Between lower limiting value.
Further, the deflector electrical heating calorifier inlets are connect with solenoid valve connection outlet with manual ball valve,
Solenoid valve valve in front of this group of deflector electric heater and rear need to be only closed when every group of diversion electric heater needs to safeguard
Manual ball valve does not influence the normal use of heating device.
Further, the controller selects PLC controls or programmable controller.
Further, the master connects current divider into flow tube；Current divider connects solenoid valve；Solenoid valve connects deflector electricity
Heater；Deflector electric heater connects manual ball valve；Manual ball valve connects current collector；Current collector connects main outflow tube；Ensure
The identical flow resistance in path that fluid flows through each deflector electric heater is consistent.
The advantage of the invention is that：
Proposed by the invention a kind of wide flow material method for heating and controlling and its device can be suitble to the stream of different flow range
Body heating remains to keep the stabilization of outflow heating device fluid temperature (F.T.) when flow increases and reduces suddenly during heating.Work
Increase or decrease the deflector electric heater while root for participating in heating in time according to the size of main influent stream pipe fluid flow in the process
Adjust the work(of every group of deflector electric heater in real time according to deflector outlet temperature of electric heater and main outflow tube Outlet Temperatures
Rate size makes the fluid temperature (F.T.) of outflow heating device be between the upper and lower bound value of setting heating temperature;With the efficiency of heating surface
High, the features such as power consumption is small, heating temperature stability is good, occupied space is seldom, outflow port stream can be kept when flow is constant
Temperature can keep the fluid temperature (F.T.) of outflow heating device in ± 3 DEG C, and in 1min in ± 1.5 DEG C when flow is mutated
So that the fluid temperature (F.T.) of outflow heating device is reached in ± 1.5 DEG C afterwards, is heated than traditional mode of heating using water conservancy diversion board heating apparatus
It is safer.The present invention can be widely applied to the fluid heating of various wide range of flows.
Claims (10)
1. a kind of method for keeping flowing out fluid constant temperature when wide flow material flow mutation, it is characterised in that：It heats and fills in fluid
The master set exports installation fluid into installation fluid inlet detection sensor in flow tube, while in the main outflow tube of fluid heater
Detection sensor is exported, and setting temperature sensor is exported in deflector electric heater；It is obtained by fluid inlet detection sensor
The various data into main influent stream pipe fluid are taken, and these data are transferred to controller, fluid heating is previously set in controller
The upper and lower bound of temperature, after controller receives the data that fluid inlet detection sensor transmits, by data and setting value
It compares, and according to the group number for relatively determining opens solenoid valve and deflector electric heater；Simultaneously according to deflector electric heater
The fluid temperature data for the deflector electric heater outlet that outlet temperature sensor measures and the fluid of main outflow tube outlet go out
The main outflow tube outlet fluid data that mouth detection sensor measures, adjusts the watt level of every group of deflector electric heater in real time,
So that the fluid temperature (F.T.) of outflow fluid heater is between the upper and lower bound value of setting heating temperature, reaches and keep wide flow
Fluid constant temperature is flowed out when fluid flow is mutated.
2. the method as described in claim 1 for keeping flowing out fluid constant temperature when wide flow material flow mutation, it is characterised in that：
The master in heating device into installation fluid inlet detection sensor in flow tube be arranged in fluid heater it is multigroup
Deflector and electric heater component, multigroup deflector and electric heater component parallel arrangement, every group of deflector and electric heater group
The import of part is connect with solenoid valve, and the outlet of every group of deflector electric heater is connect with manual ball valve, and solenoid valve connects current divider,
Manual ball valve connects current collector, and current divider connects master into flow tube, and current collector connects main outflow tube, main into electric equipped with import in flow tube
Magnet valve, inlet pressure sensor and inlet temperature sensor.
3. the method as described in claim 1 for keeping flowing out fluid constant temperature when wide flow material flow mutation, it is characterised in that：
It is to export position in main outflow tube to export installation fluid outlet detection sensor in the main outflow tube of heating device while described
Set installation outlet temperature sensor and outlet pressure sensor.
4. the method as described in claim 1 for keeping flowing out fluid constant temperature when wide flow material flow mutation, it is characterised in that：
Each deflector electric heater, solenoid valve, inlet solenoid valve, inlet pressure sensor, inlet temperature sensor, outlet temperature
Degree sensor, outlet pressure sensor are connect by signal wire with control controller, and controller opens different number by control
Solenoid valve meet flow system flow variation require, and by control deflector electric heater heating power realize to outflow heat
The control of the constant temperature of device fluid temperature (F.T.).
5. the method as described in claim 1 for keeping flowing out fluid constant temperature when wide flow material flow mutation, it is characterised in that：
If the main flow into flow tube of actual measurement increases, controller control increases opens solenoid valve and deflector electric heater quantity simultaneously
Every group of deflector electric heater is adjusted in real time according to deflector outlet temperature of electric heater and main outflow tube Outlet Temperatures
Watt level makes the fluid temperature (F.T.) of outflow heating device be between the upper and lower bound value of setting heating temperature；If actual measurement master
When being reduced into the flow in flow tube, controller control reduces opens solenoid valve and deflector electric heater quantity simultaneously according to water conservancy diversion
Plate outlet temperature of electric heater and main outflow tube exit fluid temperature data adjust the power of every group of deflector electric heater in real time
Size makes the fluid temperature (F.T.) of outflow heating device be between the upper and lower bound value of setting heating temperature.
6. the method as described in claim 1 for keeping flowing out fluid constant temperature when wide flow material flow mutation, it is characterised in that：
The deflector electrical heating calorifier inlets are connect with solenoid valve connection outlet with manual ball valve, when every group of diversion electric heater
The manual ball valve of the solenoid valve valve and rear that need to only be closed in front of this group of deflector electric heater when needing to safeguard does not influence to heat
The normal use of device.
7. the method as described in claim 1 for keeping flowing out fluid constant temperature when wide flow material flow mutation, it is characterised in that：
The controller selects PLC controls or programmable controller.
8. the method as described in claim 1 for keeping flowing out fluid constant temperature when wide flow material flow mutation, it is characterised in that：
The master connects current divider into flow tube；Current divider connects solenoid valve；Solenoid valve connects deflector electric heater；Deflector electricity adds
Hot device connects manual ball valve；Manual ball valve connects current collector；Current collector connects main outflow tube；Ensure that fluid flows through each deflector
The identical flow resistance in path of electric heater is consistent.
9. a kind of device for keeping flowing out fluid constant temperature when wide flow material flow mutation, including deflector electric heater, it is main into
Flow tube and main outflow tube, which is characterized in that deflector electric heater is multigroup deflector electric heater more than two, and multigroup
Deflector electric heater is arranged in parallel in fluid heater；The entrance of every group of deflector electric heater is respectively equipped with entrance stream
Volume data monitors system, and outlet is equipped with outlet fluid data and monitors system；Entrance fluid data monitors system and outlet number of fluids
Data exchange is carried out according to monitoring system and fluid heater controller, and is heated and is filled by the output control fluid of data exchange
The unlatching group number for setting deflector electric heater, to ensure the fluid temperature (F.T.) flowed out from main outflow tube within the scope of controlled.
10. the device as claimed in claim 9 for keeping flowing out fluid constant temperature when wide flow material flow mutation, feature exist
In：The import of every group of deflector electric heater is connected to current divider by inlet control valve, then main into flow tube by current divider connection；
Inlet control valve is electric control valve, is controlled by fluid heater controller；Every group of deflector electric heater up to
Few dress is there are two temperature sensor, and one is inlet temperature sensor, for detecting the peak temperature on deflector electric heater
Degree；One is outlet temperature sensor, for detecting deflector electric heater exit fluid temperature.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810860448.9A CN108759069A (en) | 2018-08-01 | 2018-08-01 | Keep flowing out the method and device of fluid constant temperature when wide flow material flow mutation |
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| CN201810860448.9A CN108759069A (en) | 2018-08-01 | 2018-08-01 | Keep flowing out the method and device of fluid constant temperature when wide flow material flow mutation |
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