CN108731100A - A kind of team control temperature regulating device and boiler team control temperature-controlling system - Google Patents
A kind of team control temperature regulating device and boiler team control temperature-controlling system Download PDFInfo
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- CN108731100A CN108731100A CN201810572807.0A CN201810572807A CN108731100A CN 108731100 A CN108731100 A CN 108731100A CN 201810572807 A CN201810572807 A CN 201810572807A CN 108731100 A CN108731100 A CN 108731100A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
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Abstract
The present invention provides a kind of team control temperature regulating device and boiler team control temperature-controlling systems, to solve the technical issues of temperature sensor acquisition trend data is distorted in the prior art.Team control temperature regulating device, for being connected on water main pipe front end, by the internal diameter of variation by heating water that the boiler hot-water mixed flow of inflow is heat balance.So that the data acquisition of the temperature sensor of setting not because the Acquisition Error runed counter to balanced calorific value occurs in the influence of installation position, ensure that temperature sensor may be used more effective layout stracture and obtain accurate trend data.Be conducive to following temperature controller and the temperature components data of related each pipeline are formed into accurate temperature trend and predicted temperature.
Description
Technical field
The present invention relates to temperature control technology fields, and in particular to a kind of team control temperature regulating device and boiler team control temperature-controlling system.
Background technology
During the boiler combustion of existing heating system control, generally use PID (ratio proportion, integral
Integral, differential derivative) closed loop systems method, prime number is wanted by the state of sensor acquisition output pipe
According to, using temperature controller formed corresponding state element variation tendency, preset control parameters corresponding with trend are sent to
Corresponding burner control is to control the combustion process of burner and the course of work of corollary system.
As shown in Figure 1, existing heating system at least may include 01 and second boiler 02 of parallel arrangement of first boiler with
Adapt to the heat demand of dynamic change.The outlet pipeline (11,21) and 03 unicom of water main pipe of each boiler, each boiler return
Water lines (12,22) and 04 unicom of return water main pipe are provided with the states such as temperature sensor 05 on outlet pipeline and water main pipe and want
Plain sensor is respectively arranged on the water return pipeline of each boiler along the tactic water circulating pump in return water direction (13,23), ultrasound
Wave flowmeter (14,24) and electric control valve (15,25).The burner (16,26) of each boiler connects corresponding combustion controller
(17,27), each combustion controller (17,27) are connected to Water temperature control device.
The basis that the prior art carries out accurately judgement-control using closed loop systems method is to obtain accurate state to want
Prime number evidence.But the real-time water-flowing amount of pipeline and real-time leaving water temperature due to the outlet pipeline of each boiler (11,21) exist random
The difference of variation or artificial control so that the fluid water temperature mixed in water main pipe 03 exists violent on fluid different location
Variation, leading to the state element information that sensor 06 acquires, there are the larger discretenesses in time domain, become with actual temperature and temperature
There are larger drift bias for change trend so that and the temperature changing trend and predicted temperature error that temperature controller 05 is formed are larger,
Cause the control effect of burner control (17,27) low with practical heat supply power consumption state degree of fitting.
Invention content
In view of this, a kind of team control temperature regulating device of offer of the embodiment of the present invention and boiler team control temperature-controlling system, existing to solve
There is the technical issues of temperature sensor acquisition trend data distortion in technology.
The team control temperature regulating device of the embodiment of the present invention will be flowed for being connected on water main pipe front end by the internal diameter of variation
The boiler hot-water mixed flow entered is the heating water of heat balance.
In an embodiment of the present invention, the team control temperature regulating device includes the conformal pipe being connected in the water main pipe
With the mixed flow revolving body being fixed in the conformal pipe, the mixed flow revolving body surface seamlessly transits, and is returned according to the mixed flow
Team control temperature regulating device described in the diameter change of swivel is axially formed continuous first expansion peak segment, gradual expansion section, second
Peak segment and progressive contraction section are expanded, the internal diameter of the conformal pipe is with the gradual expansion section, the second expansion peak segment
With the diameter change of the progressive contraction section.
In an embodiment of the present invention, the mixed flow revolving body includes several hollow cavities, several hollow cavities from
It dissipates and is distributed in the gradual expansion section, the second expansion peak segment and the progressive contraction section, several hollow cavities
Volume has differences, and includes antiresonance liquid having a specific gravity smaller than that of water in the hollow cavity of part.
In an embodiment of the present invention, the rank of the first expansion peak segment and the gradual expansion section of the mixed flow revolving body
Place is met, the first support bar part for connecting the conformal pipe is uniformly arranged in the circumferential direction, in the tail end edge week of the mixed flow revolving body
To the second support bar part for connecting the conformal pipe is uniformly arranged, first support element and the second support bar part are backwards
The front end of the mixed flow revolving body tilts.
In an embodiment of the present invention, the front-end surface of the mixed flow revolving body is rotarily formed by the first busbar, described
First busbar be located at it is described first expand peak segment on the outside of, first busbar be a minor arc, the line at the first busbar both ends with
The axis of the mixed flow revolving body is vertical and intersects, the center of circle of first busbar towards the end of the mixed flow revolving body, with
The internal diameter of the corresponding conformal pipe of the front-end surface 100 is kept constant.
In an embodiment of the present invention, the first expansion peak value section surface passes through the second mother in the first expansion peak segment
Line is rotarily formed, and second busbar is a minor arc, and the center of circle of second busbar is towards the axis of the mixed flow revolving body, institute
It states the radial direction of the second busbar and axis is in same plane, described first expands the internal diameter of the conformal pipe 100 in peak segment
It keeps constant；
It can also further limit, the first expansion peak value section surface lays several flow-disturbing columns.
In an embodiment of the present invention, gradual expansion section surface passes through third busbar jatharapanvartanasana in the gradual expansion section
At the third busbar is a minor arc, and the center of circle of the third busbar is backwards to the axis of the mixed flow revolving body, the third mother
The radial direction of line and axis are in same plane, and the internal diameter of the conformal pipe is with the mixed flow revolving body in the gradual expansion section
The increase of diameter and increase；
It can also further limit, around the circumferential uniformly distributed in the gradual expansion section surface of the mixed flow revolving body
One group surrounds the progressive winding protrusion advanced in the axial direction.
In an embodiment of the present invention, the second expansion peak value section surface passes through the 4th mother in the second expansion peak segment
Line is rotarily formed, and the 4th busbar is a minor arc, the axis of the line and the mixed flow revolving body at the 4th busbar both ends
It is parallel, the center of circle of the 4th busbar towards the mixed flow revolving body axis, it is described conformal in the second expansion peak segment
The internal diameter of pipe is with the mixed flow revolving body diameter change；
It can also further limit, around the circumferential uniform in the second expansion peak value section surface of the mixed flow revolving body
It lays one group and surrounds the quick winding protrusion advanced in the axial direction.
In an embodiment of the present invention, progressive contraction section surface passes through the 5th busbar jatharapanvartanasana in the progressive contraction section
At the 5th busbar is a minor arc, and towards the axis of the mixed flow revolving body, the described 5th is female in the center of circle of the 5th busbar
One end of line is intersected with the axis of the mixed flow revolving body, and radial direction and the axis of the 5th busbar are in same plane, described
The internal diameter of the conformal pipe reduces with the mixed flow revolving body diameter and is reduced in progressive contraction section；
It can also further limit, it is circumferential in the conformal pipe around the conformal pipe in the progressive contraction section
Uniformly distributed one group of inner wall surrounds the enhancing winding protrusion advanced in the axial direction.
The boiler team control temperature-controlling system of the embodiment of the present invention includes the team control temperature control dress as described in claim 1 to 9 is any
It sets, which is characterized in that further include：
Outlet pipeline temperature sensor group, the temperature data for acquiring outlet pipeline structure in real time.
Water main pipe temperature sensor group, the temperature for acquiring the water main pipe after connecting the team control temperature regulating device in real time
Degrees of data.
Encoder is encapsulated as same step number for temperature data described in real-time reception and by the temperature data of synchronization
According to output.
Water temperature control device, temperature data and high-precision temperature become when for the synchrodata to be formed high-precision real
The temperature data when high-precision real and the high-precision temperature trend data are converted to burning by gesture data according to PID strategies
Device control parameter.
The team control temperature regulating device and boiler team control temperature-controlling system of the embodiment of the present invention utilize resistance caused by the internal diameter of variation
Variation is so that the heating water mixing in water main pipe reaches heat balance so that the acquisition of the data of the temperature sensor of setting not because
There is the Acquisition Error runed counter to balanced calorific value in the influence of installation position, ensure that more effective cloth may be used in temperature sensor
If structure obtains accurate trend data.Be conducive to following temperature controller and the temperature components data of related each pipeline are formed into essence
True temperature trend and predicted temperature.
Description of the drawings
Fig. 1 show the configuration diagram of redundance boiler heating system in the prior art.
Fig. 2 show the agent structure schematic cross-sectional view of team control temperature regulating device of the embodiment of the present invention.
Fig. 3 show the partial schematic sectional view (one) of team control temperature regulating device of the embodiment of the present invention.
Fig. 4 show the partial schematic sectional view (two) of team control temperature regulating device of the embodiment of the present invention.
Fig. 5 show the partial schematic sectional view (three) of team control temperature regulating device of the embodiment of the present invention.
Fig. 6 show the partial schematic sectional view (four) of team control temperature regulating device of the embodiment of the present invention.
Fig. 7 show the configuration diagram of boiler team control temperature-controlling system of the embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a kind of team control temperature regulating devices to pass through variation for being connected on water main pipe front end
The boiler hot-water mixed flow of inflow is the heating water of heat balance by internal diameter.Water main pipe front end is usually the water outlet for being connected to each boiler
The complete initiating terminal of water main pipe after pipeline.
The team control temperature regulating device of the embodiment of the present invention is changed using resistance caused by the internal diameter of variation so that in water main pipe
Heating water mixing reach heat balance so that the acquisition of the data of the temperature sensor of setting is not because the influence of installation position occurs
The Acquisition Error runed counter to balanced calorific value ensure that temperature sensor may be used more effective layout stracture acquisition and accurately become
Gesture data.Be conducive to following temperature controller and the temperature components data of related each pipeline are formed into accurate temperature trend and prediction
Temperature.
As shown in Fig. 2, the team control temperature regulating device of the embodiment of the present invention includes conformal circle of the one-stage serial in water main pipe
Pipe 100 and the mixed flow revolving body 200 being fixed in conformal pipe 100, the axis of mixed flow revolving body 200 and conformal pipe 100
Axis overlaps.The inner wall of conformal pipe 100 and the surface of mixed flow revolving body 200 form ring-shaped round pipe.The inner wall of conformal pipe 100
As ring-shaped round pipe lateral wall, the surface of mixed flow revolving body 200 is as ring-shaped round pipe madial wall.
The surface of mixed flow revolving body 200 by front end (aqueous fluid come to, in attached drawing be left side) to end (aqueous fluid whereabouts,
It is right side in attached drawing) it seamlessly transits, mixed flow revolving body 200 makes team control temperature regulating device form company by the diameter change of front end to end
Continuous the first expansion peak segment 91, the expansion peak segment 93 of gradual expansion section 92, second and progressive contraction section 94.Conformal pipe 100
Pipe wall internal diameters with gradual expansion section 92, second expand peak segment 93 and progressive contraction section 94 diameter change.
The team control temperature regulating device of the embodiment of the present invention using ring-shaped round pipe madial wall and lateral wall difference in internal diameters abnormity at
The flow velocity difference of aqueous fluid realizes the abundant fusion of each hot water in water main pipe.Utilize the incompressible of aqueous fluid
Characteristic makes aqueous fluid change in flow occur by continuously changing annular tube wall outboard sidewalls diameter and outboard sidewalls spacing, because
Influence of the frictional force of annular tube wall to contact fluid so that diametrically (can be understood as the section diametrically formed work
For same position, in same position) fluid each section flow velocity generate difference, cause aqueous fluid axial along conformal pipe 100
While flowing, each adjacent part of aqueous fluid forms mixing, collision or is vortexed, and each aqueous fluid fully melts in conformal pipe 100
It closes, uniform heat aqueous fluid is formed after flowing out conformal pipe 100.State is carried out to the follow-up shell that uniform heat aqueous fluid flows through
Element acquisition can obtain accurate water main pipe real time temperature data.
In an embodiment of the present invention, mixed flow revolving body 200 includes several hollow cavities, and hollow cavity is discrete to be distributed in gradually
Peak segment 93 is expanded into expansion arc 92, second and progressive contraction section 94, the volume of hollow cavity have differences, part hollow cavity
In include antiresonance liquid having a specific gravity smaller than that of water.Antiresonance liquid can be Ester, such as ethyl acetate, grease.
The team control temperature regulating device of the embodiment of the present invention reduces mixed flow revolving body 200 using hollow cavity and antiresonance liquid
Resonance-characteristic overcomes potential frequency resonance using the mal-distribution of cavity and liquid.Avoid the fluid stream in ring-shaped round pipe
Make conformal pipe 100 when fast quickly variation or generates bad vibration with mixed flow revolving body 200.
In an embodiment of the present invention, first in mixed flow revolving body 200 expands peak segment 91 and gradual expansion section 92
Joining place is uniformly arranged in the circumferential direction the first support bar part 201 for connecting conformal pipe 100, on the tail end edge of mixed flow revolving body 200
It is circumferentially uniformly arranged the second support bar part 202 for connecting conformal pipe 100, the first support element 201 and second support bar part 202 are carried on the back
It is tilted to the front end of mixed flow revolving body 200, the first angle that the axis of the first support element 201 and mixed flow revolving body 200 is formed exists
The second angle that the axis of 48 to 80 degree, the second support element 202 and mixed flow revolving body 200 is formed is in 55 to 85 degree.As special case
To meet the first angle simultaneously at least below 7 degree of the second angle.
The setting of the first support element of team control temperature regulating device 201 and second support bar part 202 of the embodiment of the present invention avoids
There are distances, and aqueous fluid change in flow to be caused to be formed for the barycenter of supporting point and mixed flow revolving body 200 on mixed flow revolving body 200
Pressure conversion is the oscillatory torque of mixed flow revolving body 200, and the stability that oscillatory torque can destroy ring-shaped round pipe forms fluid flowing
Water attack disturbing factor.First the second angle of angle of difference can ensure when there is vibration trend, 201 He of the first support element
Second support bar part 202 stablizes the two kinds of support arm of forces provided and forms torque at a stalemate, changes the internal stress point of mixed flow revolving body 200
Cloth offsets vibration.The angle difference of special case is to ensure the later optimal angle for internal stress variation occur of mixed flow revolving body 200, can
To adapt to the oscillatory torque gradually increased, the influence of the flow and flow rate of hydrothermal fluid when especially heating to non-peak flow has
Effect.
The surface of the mixed flow revolving body 200 of the embodiment of the present invention is the surface of revolution, by the first busbar being sequentially smoothly connected
291, the second busbar 292, third busbar 293, the 4th busbar 294 and the 5th busbar 295 are rotarily formed.
As shown in figure 3, in the team control temperature regulating device of the embodiment of the present invention, the first busbar 291 expands peak segment 91 first
Outside (being left side in attached drawing), the first busbar 291 are a minor arc, line and the mixed flow revolving body 200 at 291 both ends of the first busbar
Axis is vertical and intersects, and towards the end of mixed flow revolving body 200, the first busbar 291 is rotarily formed mixed flow in the center of circle of the first busbar
The front-end surface of revolving body 200.Front-end surface holding surface is smooth.
The internal diameter of conformal pipe corresponding with the front-end surface of mixed flow revolving body 200 100 is kept constant.
The front-end surface of mixed flow revolving body rushes the aqueous fluid directly born in the team control temperature regulating device of the embodiment of the present invention
It hits alleviation to turn to circumferentially to flow into, broken dissipate of aqueous fluid smooth-going is imported in the tube chamber of subsequent ring-shaped round pipe, aqueous fluid can be made
It is further separated into ring-shaped round pipe with smaller resistance.The minor diameter fit of front-end surface and conformal pipe 100 can make brokenly aproll stream steady
Determine directed flow, flow and flow rate maintenance is basically unchanged, the resistance for avoiding mixed flow revolving body shunting aqueous fluid to generate to greatest extent
Power.
As shown in figure 3, in the first expansion peak segment 91 of the team control temperature regulating device of the embodiment of the present invention, mixed flow revolving body
200 and the corresponding part of conformal pipe 100 have the following structure：
First expansion peak segment 91 includes the second busbar 292, and the second busbar 292 is a minor arc, the center of circle of the second busbar 292
Towards the axis of mixed flow revolving body 200, radial direction and the axis of the second busbar 292 are in same plane, 292 jatharapanvartanasana of the second busbar
Peak value section surface is expanded at the first of mixed flow revolving body 200.First expansion peak value section surface holding surface is smooth.
Several flow-disturbing columns 203 are laid in the first expansion peak value section surface, flow-disturbing column 203 and first expands peak segment
Surface vertical connection.Using flow-disturbing column to being disturbed along the aqueous fluid of the first expansion peak segment surface flow, formed to not
With the small local assault of source aqueous fluid, aqueous fluid of the preliminary fusion along the first expansion peak segment surface flow.First expansion
Peak value section surface, which simultaneously squeezes aqueous fluid, makes aqueous fluid generate current difference on radial depth, tentatively makes different radial depths
Aqueous fluid stir.It induces aqueous fluid to enhance to the flow tendency of gradual expansion section 92 using smaller lateral pressure, is
The incremental variations of follow-up flow velocity and extruding force provide stable aqueous fluid original state.
Height along 200 front end of mixed flow revolving body to end direction flow-disturbing column 203 gradually increases.Utilize the increase of height
The agitation efficiency for improving the aqueous fluid along the first expansion peak segment surface flow is conducive to generate more unstable vortex realization height
Effect disturbance.
The internal diameter of conformal pipe corresponding with the first expansion peak segment 91 100 is kept constant, in corresponding conformal pipe 100
Wall keeps smooth.The smooth flow for ensureing aqueous fluid is kept constant using the internal diameter of conformal pipe 100, avoids expanding peak first
Value section 91 generates excessive flow resistance, and cooperation is more also easy to produce the flow velocity difference of radial depth along mixed flow revolving body 200.First is swollen
The diameter of mixed flow revolving body 200 reduces after reaching peak value in swollen peak segment, can effectively squeeze aqueous fluid first to improve stream
Speed, at the same avoid it is premature water area of section crossed into channel do too fast compression, cause 200 front end of mixed flow revolving body to shift to an earlier date stress
It is excessive to generate unstable vibration.It ensure that while improving flow velocity realization aqueous fluid single face disturbance, mixed flow revolving body
Rock-steady structure pressure-bearing is smaller, and potential resonance probability reduces.
As shown in figure 4, in the gradual expansion section 92 of the team control temperature regulating device of the embodiment of the present invention, mixed flow revolving body 200
It is had the following structure with the corresponding part of conformal pipe 100：
Gradual expansion section 92 includes third busbar 293, and third busbar 293 is a minor arc, and the center of circle of third busbar 293 is backwards
The axis of mixed flow revolving body 200, radial direction and the axis of third busbar 293 are in same plane, and third busbar 293 is rotarily formed mixed
Flow back to the gradual expansion section surface of swivel 200.Gradual expansion section surface keeps smooth.
Around mixed flow revolving body 200 advance is surrounded in the axial direction for uniformly distributed one group circumferentially in gradual expansion section surface
Progressive winding protrusion 204, the quantity of progressive winding protrusion 204 is 30 to 50, and progressive winding protrusion 204 is twined away from being progressive
The 50% to 70% of 92 axial length of expansion arc.Progressive winding protrusion 204 can ensure the flow close to gradual expansion section surface
Body unitary rotation is realized and is fully merged in radial depth that the aqueous fluid of separate sources is gradually expanded at one.Using progressive swollen
Swollen section of larger axial length and 200 diameter change of mixed flow revolving body relatively mitigated, gradually squeeze aqueous fluid, improve flow velocity.
It is preferred that twine away from making aqueous fluid that can induce water hammer to avoid because squeezing excessive change in flow in rotating fusion process,
It can be to avoid the appearance of resonance.The diameter that the first expansion 91 diameter peak value of peak segment cooperation gradual expansion section 92 relatively mitigates simultaneously is passed
Increase variation, makes the resultant force that aqueous fluid squeezes that there is trend enhancement, will not be formed reversely because of the increasing diameter of gradual expansion section 92
Aqueous fluid pressure.
Along 200 front end of mixed flow revolving body to end direction, the height of progressive winding protrusion 204 gradually increases, progressive winding
Height ratio of the protrusion 204 at 92 both ends of gradual expansion section is 1:1.2 to 1:3.2.The ratio range is to ensure this section of flow
The preferred scope of radial depth aqueous fluid rotation fusion is driven on the basis of body flow velocity as far as possible
The internal diameter of conformal pipe corresponding with gradual expansion section 92 100 increases with the increase of 200 diameter of mixed flow revolving body.
The inner wall of corresponding conformal pipe 100 keeps smooth.
In an embodiment of the present invention, corresponding with gradual expansion section 92 along 200 front end of mixed flow revolving body to end direction
Play the increasing with 200 diameter of mixed flow revolving body in 1/3 to 2/5 place of interior 92 axial length of the section of gradual expansion without leave of conformal pipe 100
Increase greatly.The internal diameter of conformal pipe 100, which is adaptively adjusted to meet cooperation mixed flow revolving body 200 and formed, aqueous fluid
The crooked route squeezed is imitated, the incompressible characteristic of facedown water is also avoided.
As shown in figure 5, in the second expansion peak segment 93 of the team control temperature regulating device of the embodiment of the present invention, mixed flow revolving body
200 and the corresponding part of conformal pipe 100 have the following structure：
Second expansion peak segment 93 includes the 4th busbar 294, and the 4th busbar 294 is a minor arc, 294 both ends of the 4th busbar
Line is parallel with the axis of mixed flow revolving body 200, and towards the axis of mixed flow revolving body 200, the 4th is female in the center of circle of the 4th busbar 294
Line 294 is rotarily formed the second expansion peak value section surface of mixed flow revolving body 200.Second expansion peak value section surface keeps smooth.
Circumferential around mixed flow revolving body 200 surrounds in the axial direction in the second uniformly distributed one group of peak value section surface of expansion
The quick winding protrusion 205 advanced, quickly the quantity of winding protrusion 205 is 15 to 30, quickly wind raised 205 twine away from for
The 30% to 45% of second expansion 93 axial length of peak segment.Quickly winding protrusion 205 is attached positioned at the barycenter of mixed flow revolving body 200
Closely, larger aqueous fluid rotation agitation frequency can be born and resonance do not occur, smaller twines away from the flow for being conducive to separate sources
The aqueous fluid of body or different radial depths quickly mixes.
Along 200 front end of mixed flow revolving body to end direction, the height for quickly winding protrusion 205 remains unchanged, and quickly winds
The height of protrusion 205 and the ratio of raised 204 maximum heights of progressive winding are 1:1.05 to 1:1.15.Height change can be advantageous
Flood rotation is not formed in the aqueous fluid in same radial depth so that the aqueous fluid rotating speed of high-speed rotation has differences, and avoids
Resonance phenomena occurs.
The internal diameter of conformal pipe corresponding with gradual expansion section 92 100 is with 200 diameter change of mixed flow revolving body.Corresponding guarantor
The inner wall of shape pipe 100 keeps smooth.
As shown in fig. 6, in the progressive contraction section 94 of the team control temperature regulating device of the embodiment of the present invention, mixed flow revolving body 200
It is had the following structure with the corresponding part of conformal pipe 100：
Progressive contraction section 94 includes the 5th busbar 295, and the 5th busbar 295 is a minor arc, the center of circle direction of the 5th busbar 295
One end of the axis of mixed flow revolving body 200, the 5th busbar 295 is intersected with axis, and radial direction and the axis of the 5th busbar 295 are in same
One plane, the progressive contraction section surface that the 5th busbar 295 is rotarily formed mixed flow revolving body 200 (include the tail of mixed flow revolving body 200
End surfaces).Progressive contraction section surface keeps smooth.
The internal diameter of conformal pipe corresponding with progressive contraction section 94 100 reduces with 200 diameter of mixed flow revolving body and is reduced.It is right
The inner wall for the conformal pipe 100 answered keeps smooth.
It is surrounded in the axial direction for uniformly distributed one group circumferentially in 100 inner wall of conformal pipe around corresponding conformal pipe 100
The quantity of the quick winding protrusion 205 advanced, enhancing winding protrusion 206 is 40 to 90, enhancing wind raised 206 twine away from for
The 55% to 75% of 94 axial length of progressive contraction section.Using quick winding protrusion 205 can aqueous fluid another single side into
The adjustment of row flow velocity so that the orderly reduction of speed rotation of aqueous fluid through high-speed rotation on last stage avoids the occurrence of vacuole or water attack is existing
As.Using twining away from making the aqueous fluid flow speed stability after fully merging for this stage, when being flowed in subsequent water main pipe
Necessary spin is kept, maintains aqueous fluid bulk temperature balanced.
Along 200 front end of mixed flow revolving body to end direction, the height of enhancing winding protrusion 206 is gradually reduced, enhancing winding
Height ratio of the protrusion 206 at 94 both ends of progressive contraction section is 1:2.2 to 1:1.2.Difference in height can ensure the aqueous fluid of rotation
Be not in flood rotation, avoid resonating.
In an embodiment of the present invention, a kind of equilibrium water fluid flow rate variation, aqueous fluid agitation efficiency and non-peak state
The optimum structure arrange parameter of boiler hot-water aqueous fluid dynamic fusion degree is as follows：
The maximum gauge of first expansion peak segment 91 is less than the maximum gauge of the second expansion peak segment 93, the first expansion peak value
The axial length of section 91<The axial length of gradual expansion section 92, the axial length of the second expansion peak segment 93>Progressive contraction section 94
Axial length, while the axial length of gradual expansion section 92>The axial length of second expansion peak segment 93.
As shown in fig. 7, the boiler team control temperature-controlling system packet formed using the team control temperature regulating device of the above embodiment of the present invention
It includes；
Outlet pipeline temperature sensor group 52, the temperature data for being grouped acquisition outlet pipeline structure in real time.
One group of temperature sensor is laid according to pipeline structure on each outlet pipeline, is included in the water inlet of outlet pipeline
(i.e. boiler water outlet) and water outlet (water outlet being connected to water main pipe) are laid, and further include being laid in pipeline bending place.
The temperature change that each outlet pipeline main calorific value dissipation and aggregation position can be effectively obtained using this layout stracture, is improved whole
The accuracy of temperature acquisition.
Water main pipe temperature sensor group 53, the temperature for acquiring the water main pipe after connecting team control temperature regulating device in real time
Data.
Temperature sensor, including temperature sensing is linearly arranged in follow-up water main pipe upper edge after team control temperature regulating device of connecting
Device spacing use etc. increases than relationship with far from the ratio such as team control temperature regulating device temperature sensor spacing.Using this layout stracture
It can effectively obtain with apart from relevant calorific value variation tendency, be provided to correct calorific value drift of the water main pipe in transmission process
Foundation.
It is defeated to be encapsulated as synchrodata for real-time reception temperature data and by the temperature data of synchronization for encoder 51
Go out.
Water temperature control device 05, temperature data and high-precision temperature trend when for synchrodata to be formed high-precision real
Temperature data when high-precision real and high-precision temperature trend data are converted to burner control parameter by data according to PID strategies.
Benefit from series connection team control temperature regulating device bring technique effect high-precision real when temperature data and high-precision temperature trend data with
Existing real time temperature data can relatively significantly improve the concentration class of temperature data, and high-precision temperature trend data and scene are artificial
The temperature trend of field survey is consistent, eliminates original temperature trend prediction temperature trend in random time section can occur and float at random
The defect of shifting.
Water temperature control device 05, the Time-temperature for being additionally operable to be formed each sensor temperature data according to synchrodata become
Change curve.The data correlation of basis of formation data, using the basis analyzed as high accuracy data.
In an embodiment of the present invention, Water temperature control device 05 is additionally operable to be changed according to the Time-temperature of water main pipe
Curve matching forms water main pipe real time temperature change curve.It can be corrected by the fitting of water main pipe correlated temperature data single
Such environmental effects during data precision is insufficient or trap signal acquisition.
In an embodiment of the present invention, Water temperature control device 05 is additionally operable to be changed according to water main pipe real time temperature bent
Line forms water main pipe temperature change expecting curve.Water main pipe temperature change expecting curve can provide in advance for closed-loop control
Feedback control mechanism so that small control signal may be used in closed loop control process and accumulate to form final control result.
In an embodiment of the present invention, Water temperature control device 05 is additionally operable to be changed according to the Time-temperature of outlet pipeline
Curve matching forms each outlet pipeline real time temperature change curve.It can be as additional boiler working condition parameter for Upper system point
Analysis is to form more accurate combustion control parameter.
In an embodiment of the present invention, Water temperature control device 05 is additionally operable to be changed according to outlet pipeline real time temperature bent
Line forms boiler calorific value and exports real time temperature change curve.Can as additional boiler working condition parameter for Upper system analyze with
Form more accurate combustion control parameter.
The boiler team control temperature-controlling system of the embodiment of the present invention is obtained high-precision using above-mentioned series connection team control temperature regulating device
Water main pipe real time temperature, and the correlation between the temperature data of sensor acquisition is further obtained by sensor layout stracture
Data further improve the accuracy of real time temperature by correlation data, to improve combustion parameter control accuracy and improvement
PID strategies provide effective solution scheme.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Within god and principle, made by any modification, equivalent replacement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of team control temperature regulating device, for being connected on water main pipe front end, by the internal diameter of variation by the boiler hot-water of inflow
Mixed flow is the heating water of heat balance.
2. team control temperature regulating device according to claim 1, which is characterized in that the team control temperature regulating device includes being connected on institute
The mixed flow revolving body stated the conformal pipe in water main pipe and be fixed in the conformal pipe, the mixed flow revolving body surface are flat
It slips over and crosses, continuous first expansion peak is axially formed according to team control temperature regulating device described in the diameter change of the mixed flow revolving body
It is worth section, gradual expansion section, the second expansion peak segment and progressive contraction section, the internal diameter of the conformal pipe is with the gradual expansion
The diameter change of section, the second expansion peak segment and the progressive contraction section.
3. team control temperature regulating device according to claim 2, which is characterized in that the mixed flow revolving body includes several hollow cavities
Body, several hollow cavities are discrete to be distributed in the gradual expansion section, the second expansion peak segment and the progressive contraction
Section, the volume of several hollow cavities have differences, and include antiresonance liquid having a specific gravity smaller than that of water in the hollow cavity of part
Body.
4. team control temperature regulating device according to claim 2, which is characterized in that the first expansion peak value of the mixed flow revolving body
The joining place of section and the gradual expansion section, is uniformly arranged in the circumferential direction the first support bar part for connecting the conformal pipe, in institute
The tail end for stating mixed flow revolving body is uniformly arranged in the circumferential direction the second support bar part for connecting the conformal pipe, first support element
It is tilted backwards to the front end of the mixed flow revolving body with the second support bar part.
5. team control temperature regulating device according to claim 2, which is characterized in that the front-end surface of the mixed flow revolving body passes through
First busbar is rotarily formed, and first busbar is located at described first and expands on the outside of peak segment, and first busbar is a minor arc,
The line at the first busbar both ends is vertical with the axis of the mixed flow revolving body and intersects, and the center of circle of first busbar is described in
The internal diameter of the end of mixed flow revolving body, conformal pipe corresponding with the front-end surface 100 is kept constant.
6. team control temperature regulating device according to claim 2, which is characterized in that first is swollen in the first expansion peak segment
Swollen peak value section surface is rotarily formed by the second busbar, and second busbar is a minor arc, the center of circle direction of second busbar
The axis of the mixed flow revolving body, radial direction and the axis of second busbar are in same plane, the first expansion peak segment
The internal diameter of the interior conformal pipe 100 is kept constant；
It can also further limit, the first expansion peak value section surface lays several flow-disturbing columns.
7. team control temperature regulating device according to claim 2, which is characterized in that the gradual expansion section in the gradual expansion section
Surface is rotarily formed by third busbar, and the third busbar is a minor arc, and the center of circle of the third busbar is backwards to the mixed flow
The axis of revolving body, the radial direction of the third busbar and axis are in same plane, the conformal circle in the gradual expansion section
The internal diameter of pipe increases with the increase of the mixed flow revolving body diameter；
It can also further limit, around circumferential one group uniformly distributed in the gradual expansion section surface of the mixed flow revolving body
The progressive winding protrusion advanced is surrounded in the axial direction.
8. team control temperature regulating device according to claim 2, which is characterized in that second is swollen in the second expansion peak segment
Swollen peak value section surface is rotarily formed by the 4th busbar, and the 4th busbar is a minor arc, the line at the 4th busbar both ends
It is parallel with the axis of mixed flow revolving body, the center of circle of the 4th busbar towards the mixed flow revolving body axis, described
The internal diameter of the conformal pipe is with the mixed flow revolving body diameter change in two expansion peak segments；
It can also further limit, around the circumferential uniformly distributed in the second expansion peak value section surface of the mixed flow revolving body
One group surrounds the quick winding protrusion advanced in the axial direction.
9. team control temperature regulating device according to claim 2, which is characterized in that the progressive contraction section in the progressive contraction section
Surface is rotarily formed by the 5th busbar, and the 5th busbar is a minor arc, and the center of circle of the 5th busbar is towards the mixed flow
One end of the axis of revolving body, the 5th busbar is intersected with the axis of the mixed flow revolving body, the radial direction of the 5th busbar
It is in same plane with axis, the internal diameter of the conformal pipe reduces with the mixed flow revolving body diameter in the progressive contraction section
And reduce；
It can also further limit, it is circumferential in the conformal round tube inner wall around the conformal pipe in the progressive contraction section
Uniformly distributed one group surrounds the enhancing winding protrusion advanced in the axial direction.
10. a kind of boiler team control temperature-controlling system, includes the team control temperature regulating device as described in claim 1 to 9 is any, feature exists
In further including：
Outlet pipeline temperature sensor group, the temperature data for acquiring outlet pipeline structure in real time.
Water main pipe temperature sensor group, the temperature number for acquiring the water main pipe after connecting the team control temperature regulating device in real time
According to.
It is defeated to be encapsulated as synchrodata for temperature data described in real-time reception and by the temperature data of synchronization for encoder
Go out.
Water temperature control device, temperature data and high-precision temperature trend number when for the synchrodata to be formed high-precision real
According to temperature data when the high-precision real and the high-precision temperature trend data are converted to burner control according to PID strategies
Parameter processed.
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| CN108731100B (en) | 2019-06-28 |
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