CN109405054A - A kind of temperature adjustment unit and its method for regulating temperature making same heat source system decoupling operation - Google Patents
A kind of temperature adjustment unit and its method for regulating temperature making same heat source system decoupling operation Download PDFInfo
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- CN109405054A CN109405054A CN201811207970.3A CN201811207970A CN109405054A CN 109405054 A CN109405054 A CN 109405054A CN 201811207970 A CN201811207970 A CN 201811207970A CN 109405054 A CN109405054 A CN 109405054A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 173
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 239000008400 supply water Substances 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 abstract description 12
- 238000010438 heat treatment Methods 0.000 abstract description 11
- 238000012423 maintenance Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000005338 heat storage Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004801 process automation Methods 0.000 description 1
Classifications
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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
- F24D19/1012—Arrangement or mounting of control or safety devices for water heating systems for central heating by regulating the speed of a pump
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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
- F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves
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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
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/04—Sensors
- F24D2220/042—Temperature sensors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention discloses a kind of temperature adjustment units and its method for regulating temperature for making same heat source system decoupling operation, its temperature adjustment unit includes external box of microvave, water supplying pipe, return pipe are provided in the external box of microvave, the water supplying pipe right end is water feed inlet, its left end is service water outlet, and the return pipe left end is return water entrance, and right end is backwater outlet, it is provided with water supply isocon and backwater diffluence pipe between the water supplying pipe, return pipe, is provided with variable frequency pump in the return pipe.Its method for regulating temperature, comprising the following steps: setting target temperature, control backwater diffluence pipe electric control valve, control water supply isocon electric control valve, variable frequency pump frequency conversion, terminates collecting sensor signal.The present invention can be efficiently separated in same heat source system for the influence between hot side and accumulation of heat side, realize heating according to need, stable operation to for hot side, can simplify the process supplied when storing, high efficiency to accumulation of heat side with high-temperature stable accumulation of heat.
Description
Technical field
The invention belongs to temperature to adjust field, and in particular to a kind of temperature adjustment unit for making the decoupling operation of same heat source system and its
Method for regulating temperature.
Background technique
With in the heat supply and heat-accumulating process of heat source system, it should heating according to need and high-efficiency thermal storage can be met simultaneously.To realize
Heating according to need needs the flow to heating system, supply water temperature etc. to be adjusted when the variation of user's thermic load.
It is to make the heat dissipation capacity of the heat dissipation equipment of heating user and the changing rule of user's thermic load for the purpose of thermal conditioning
It is adapted, to prevent heating family from the too high or too low situation of room temperature occur.In water hold over system, heat storage is situated between first
Matter --- water, and be stored in hot water storage tank.In order to utilize the abundant accumulation of energy of thermal storage time, water tank water intake should ensure that first
Maintain the condition of high temperature.But in the heat supply hold over system of same heat source, also need to store water tank while to user's heat supply
Heat, if system integrally using matter adjusting by the way of, i.e., based on heat supply, to reach the equilibrium of supply and demand, for hot side outside different chamber
Required supply water temperature is different under the influence of temperature, due to being same heat source water outlet, so will have a direct impact on the inflow temperature of water tank, from
And the heat storage efficiency of water tank is reduced, or even be difficult to reach highest regenerator temperature；The adjusting side integrally adjusted using amount such as extraction system
Method, accumulation of heat side can guarantee high-temperature heat accumulation, but can be because the variation of thermic load causes circulating water flow in system for hot side
Variation may will affect the room temperature of user, or even generate the consequence of hydraulic misadjustment.
To solve the problems, such as that the mode of single adjusting is brought, currently, the country is frequently with adjustment pump rotary speed or adjustment boiler
Power solves to obtain the method for operation of flow, temperature while variation, but to be related to variable excessive for this method of operation, can not essence
Variable needed for really controlling, has seriously affected the stability of system, has led to the increase of operation energy consumption, or even affected heating system
Regulation performance.
Summary of the invention
The present invention proposes that the purpose is to provide one kind to decouple same heat source system in order to solve the problems existing in the prior art
The temperature adjustment unit and its method for regulating temperature of operation.
The technical scheme is that a kind of temperature adjustment unit for making same heat source system decoupling operation, including external box of microvave, institute
It states and is provided with water supplying pipe, return pipe in external box of microvave, the water supplying pipe right end is water feed inlet, and left end is service water outlet, institute
Stating return pipe left end is return water entrance, and right end is backwater outlet, and water supply isocon is provided between the water supplying pipe, return pipe
With backwater diffluence pipe, variable frequency pump is provided in the return pipe, it is electronic to be provided with water supply isocon in the water supply isocon
Regulating valve is provided with backwater diffluence pipe electric control valve in the backwater diffluence pipe.
It is provided with No. I tee pipe fitting, No. II tee pipe fitting in the water supplying pipe, is provided with No. III threeway in the return pipe
Pipe fitting, No. IV tee pipe fitting, the water supply isocon are connected to No. II tee pipe fitting, No. III tee pipe fitting, the backwater diffluence
Pipe is connected to No. I tee pipe fitting, No. IV tee pipe fitting.
The water feed inlet, water supplying pipe are provided with sensor module at service water outlet.The return water entrance, return pipe,
Sensor module is also equipped at backwater outlet.
Sensor module is provided in the water supply isocon, backwater diffluence pipe.
No. I tee pipe fitting be heat supply mixed flow node, No. I tee pipe fitting be Two In and One Out tee tube, supply water from
Water feed inlet flows into, and reflux water-dividing is flowed into from backwater diffluence pipe, and water supplying pipe is entered after mixed flow.
No. II tee pipe fitting is water supply forking node, and No. II tee pipe fitting is One In and Two Out tee tube, is supplied water
It is flowed into from water supplying pipe, water outlet is flowed out from service water outlet, water supply isocon.
No. III tee pipe fitting is return water mixed flow node, and No. III tee pipe fitting is Two In and One Out tee tube, return water
It is flowed into from return water entrance, water supply isocon, water outlet is flowed out from return pipe.
No. IV tee pipe fitting is backwater diffluence node, and No. IV tee pipe fitting is One In and Two Out tee tube, if water is from returning
Water pipe flows into, and water outlet is flowed out from backwater outlet, backwater diffluence pipe.
The sensor module includes pressure sensor, temperature sensor, flow sensor.
A kind of method for regulating temperature for the temperature adjustment unit making same heat source system decoupling operation, comprising the following steps:
Target temperature is arranged in I
Changed first according to outdoor temperature, calculates the supply water temperature T for hot sidem, and temperature adjustment unit is set on temperature adjustment unit and is supplied
The target temperature T of water water outletm。
II collecting sensor signal
High-temperature water outlet from boiler enters temperature adjustment unit through water feed inlet, and temperature adjustment unit is collected for No. I temperature at water inlet and passes
No. VIII temperature sensor T8 is transmitted at supply water temperature that sensor T1 is transmitted, backwater diffluence pipe backwater diffluence in-pipe flow temperature and
The target temperature of setting.
III controls backwater diffluence pipe electric control valve
The water mixing proportion at No. I tee pipe fitting is calculated, the backwater diffluence pipe motorized adjustment valve opening on backwater diffluence pipe is controlled, makes
High-temperature water outlet from boiler mixes at No. I tee pipe fitting with shunting return water reaches target temperature Tm。
IV controls water supply isocon electric control valve
The water supply isocon electric control valve on water supply isocon is controlled, keeps it electronic with the backwater diffluence pipe on backwater diffluence pipe
Control valve opening is identical, to guarantee that water supply isocon is identical as the flow of backwater diffluence pipe, for hot side circular flow and boiler
Circular flow is identical.
V variable frequency pump frequency conversion
No. II flow sensor P2 at service water outlet transmits signals to temperature adjustment unit, and control changes the revolving speed of variable frequency pump, protects
Testimony hot side circular flow is always maintained at constant in each control period.
VI terminates
In next control period, target temperature changes, and repeats the above process.
Beneficial effects of the present invention are as follows:
1, temperature adjustment unit of the present invention can be efficiently separated in same heat source system for the shadow between hot side and accumulation of heat side
It rings, on the one hand realizes heating according to need, stable operation to for hot side, another aspect accumulation of heat side can make side with high-temperature stable accumulation of heat
The process that side supplies is stored to simplify, is efficient.
2, temperature adjustment unit supply water temperature adjustment process be with for hot side return water adjustment ratio mixed flow process, in entire temperature adjustment
In the process, the thermal energy for not losing temperature adjustment unit entirety, effectively raises the efficiency in heat source heating operations.
3, temperature adjustment unit of the present invention, be make for hot side integrally using matter adjusting by the way of, realize heating load and need
The balance of heat.Management is simple, easy to operate, and network hydraulic regime is stablized.
4, temperature adjustment unit of the present invention keeps entire temperature adjustment process easy to operate, rationally efficiently.Whole process automation
Degree is higher, only needs manually combustion adjustment at times, reduces the manpower consumption in heat supplying process.
5, increase temperature adjustment unit during same heat source system heat supply and accumulation of heat, heat-accumulating process can be made not by heat supply
The influence that Cheng Zhongzhi is adjusted not only has alleviated peak power insufficiency of supply-demand, but also promote to make full use of paddy electricity time high-temperature heat accumulation
The distributing rationally of electric power resource.
6, temperature adjustment set structure of the present invention is simple, operating cost can be made to be greatly reduced after being added in system, has
There are significant economic advantages, is more advantageous to a wide range of popularization and use.
Detailed description of the invention
Fig. 1 is the connection schematic diagram of box house in the present invention；
Fig. 2 is the schematic diagram of cabinet in the present invention；
The step of Fig. 3 is method for regulating temperature of the present invention figure；
Wherein:
1 water supplying pipe, 2 water supply isocon
3 return pipe, 4 backwater diffluence pipe
5 No. I 6 water feed inlets of tee pipe fitting
7 No. II 8 service water outlets of tee pipe fitting
9 No. III 10 return water entrances of tee pipe fitting
11 No. IV 12 backwater outlets of tee pipe fitting
13 variable frequency pump, 14 water supply isocon electric control valve
15 backwater diffluence pipe electric control valve, 16 power control cabinet
17 operation 18 display screens of keyboard
19 maintenance door, 20 ventilation hole
21 pressure sensors of external box of microvave L1 I
The flow sensor of temperature sensor P1 I of T1 I
The temperature sensor of pressure sensor T2 II of L2 II
The pressure sensor of flow sensor L3 III of P2 II
The flow sensor of temperature sensor P3 III of T3 III
The temperature sensor of pressure sensor T4 IV of L4 IV
The pressure sensor of flow sensor L5 V of P4 IV
The flow sensor of temperature sensor P5 V of T5 V
The temperature sensor of pressure sensor T6 VI of L6 VI
The pressure sensor of flow sensor L7 VII of P6 VI
The flow sensor of temperature sensor P7 VII of T7 VII
The temperature sensor of pressure sensor T8 VIII of L8 VIII
No. VIII flow sensor of P8.
Specific embodiment
Hereinafter, referring to drawings and examples, the present invention is described in detail:
As shown in Fig. 1 ~ 3, a kind of temperature adjustment unit making same heat source system decoupling operation, including external box of microvave 21, the external case
Water supplying pipe 1, return pipe 3 are provided in body 21,1 right end of water supplying pipe is water feed inlet 6, and left end is service water outlet 8, described
3 left end of return pipe is return water entrance 10, and right end is backwater outlet 12, is provided with water supply between the water supplying pipe 1, return pipe 3
Isocon 2 and backwater diffluence pipe 4 are provided with variable frequency pump 13 in the return pipe 3, are provided with confession in the water supply isocon 2
Moisture flow tube electric control valve 14 is provided with backwater diffluence pipe electric control valve 15 in the backwater diffluence pipe 4.
It is provided with 5, No. II tee pipe fittings 7 of No. I tee pipe fitting in the water supplying pipe 1, is provided with No. III in the return pipe 3
9, No. IV tee pipe fittings 11 of tee pipe fitting, the water supply isocon 2 are connected to 7, No. III tee pipe fittings 9 of No. II tee pipe fitting, institute
Backwater diffluence pipe 4 is stated to be connected to 5, No. IV tee pipe fittings 11 of No. I tee pipe fitting.
The water feed inlet 6, water supplying pipe 1 are provided with sensor module at service water outlet 8.The return water entrance 10 returns
Sensor module is also equipped at water pipe 3, backwater outlet 12.
Sensor module is provided in the water supply isocon 2, backwater diffluence pipe 4.
No. I tee pipe fitting 5 is heat supply mixed flow node, and No. I tee pipe fitting 5 is Two In and One Out tee tube, is supplied water
It is flowed into from water feed inlet 6, reflux water-dividing is flowed into from backwater diffluence pipe 4, and water supplying pipe 1 is entered after mixed flow.
No. II tee pipe fitting 7 is water supply forking node, and No. II tee pipe fitting 7 is One In and Two Out tee tube, is supplied
Water is flowed into from water supplying pipe 1, and water outlet is flowed out from service water outlet 8, water supply isocon 2.
No. III tee pipe fitting 9 is return water mixed flow node, and No. III tee pipe fitting 9 is Two In and One Out tee tube, is returned
Water is flowed into from return water entrance 10, water supply isocon 2, and water outlet is flowed out from return pipe 3.
No. IV tee pipe fitting 11 is backwater diffluence node, and No. IV tee pipe fitting 11 is One In and Two Out tee tube, such as water
It is flowed into from return pipe 3, water outlet is flowed out from backwater outlet 12, backwater diffluence pipe 4.
The sensor module includes pressure sensor, temperature sensor, flow sensor.
21 upper end of external box of microvave forms multiple ventilation holes 20, to radiate for temperature adjustment unit.
The side-walls of the external box of microvave 21 are provided with the display screen 18 of display and the enter key of input target temperature
Disk.
21 side-walls of external box of microvave are provided with the maintenance door 19 inside maintenance temperature adjustment unit,
Power control cabinet 16 is provided in the external box of microvave 21, the power control cabinet 16 controls water supply isocon electric control valve 14, returns
The opening degree of moisture flow tube electric control valve 15 and the frequency of variable frequency pump 13.
Sensor module at the water feed inlet 6 includes No. I pressure sensor L1, No. I temperature sensor T1, No. I stream
Quantity sensor P1.
Sensor module at the service water outlet 8 includes No. II pressure sensor L2, No. II temperature sensor T2, No. II
Flow sensor P2.
Sensor module at the return water entrance 10 includes No. III pressure sensor L3, No. III temperature sensor T3, III
Number flow sensor P3.
Sensor module at the backwater outlet 12 includes No. IV pressure sensor L4, No. IV temperature sensor T4, IV
Number flow sensor P4.
Sensor module at the water supplying pipe 1 includes No. V pressure sensor L5, No. V temperature sensor T5, No. V stream
Quantity sensor P5.
Sensor module at the return pipe 3 includes No. VI pressure sensor L6, No. VI temperature sensor T6, No. VI stream
Quantity sensor P6.
Sensor module at the water supply isocon 2 includes No. VII pressure sensor L7, No. VII temperature sensor T7, VII
Number flow sensor P7.
Sensor module at the backwater diffluence pipe 4 includes No. VIII pressure sensor L8, No. VIII temperature sensor T8, VIII
Number flow sensor P8.
A kind of method for regulating temperature for the temperature adjustment unit making same heat source system decoupling operation, comprising the following steps:
Target temperature is arranged in I
Changed first according to outdoor temperature, calculates the supply water temperature T for hot sidem, and temperature adjustment unit is set on temperature adjustment unit and is supplied
The target temperature T of water water outletm。
II collecting sensor signal
High-temperature water outlet from boiler enters temperature adjustment unit through water feed inlet 6, and temperature adjustment unit is collected for No. I temperature at water inlet 6
The backwater diffluence in-pipe flow temperature that No. VIII temperature sensor T8 is transmitted at supply water temperature that sensor T1 is transmitted, backwater diffluence pipe 4
The target temperature of degree and setting.
III controls backwater diffluence pipe electric control valve
The water mixing proportion at No. I tee pipe fitting 5 is calculated, the backwater diffluence pipe electric control valve 15 controlled on backwater diffluence pipe 4 is opened
Degree mixes the high-temperature water outlet from boiler at No. I tee pipe fitting 5 with shunting return water and reaches target temperature Tm。
IV controls water supply isocon electric control valve
The water supply isocon electric control valve 14 on water supply isocon 2 is controlled, itself and the backwater diffluence pipe on backwater diffluence pipe 4 are made
15 aperture of electric control valve is identical, to guarantee that water supply isocon 2 is identical as the flow of backwater diffluence pipe 4, for hot side recycle stream
It measures identical with boiler circular flow.
V variable frequency pump frequency conversion
No. II flow sensor P2 at service water outlet 8 transmits signals to temperature adjustment unit, and control changes the revolving speed of variable frequency pump 13,
Guarantee to be always maintained at for hot side circular flow in each control period constant.
VI terminates
In next control period, target temperature changes, and repeats the above process.
Water in temperature adjustment unit is after mixed flow at No. I tee pipe fitting 5, and mixed water flows through water supplying pipe 1, in No. II tee pipe fitting
7 punishment streams, service water outlet 8 of a part through temperature adjustment unit flow out, and another part flows into water supply isocon 2.In No. III tee tube
At part 9, supplying water to shunt is mixed with what the return water entrance 10 of temperature adjustment unit entered for hot side return water, return pipe 3 is flowed through, at No. IV three
The punishment stream of way pipe fitting 11, backwater outlet 12 of a part through temperature adjustment unit are flowed out back into heat source, and another part flows through backwater diffluence
Pipe 4 is at No. I tee pipe fitting 5 and the high-temperature water outlet mixed flow of heat source.
The temperature adjustment process that the present invention uses is heat source high temp water outlet and the mixed flow process for hot side return water adjustment ratio, heat supply
The method that side matter is adjusted makes heating load meet calorific requirement, makes for hot side and the decoupling operation of accumulation of heat side.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (10)
1. a kind of temperature adjustment unit for making same heat source system decoupling operation, including external box of microvave (21), it is characterised in that: the outside
Water supplying pipe (1), return pipe (3) are provided in cabinet (21), water supplying pipe (1) right end is water feed inlet (6), and left end is to supply
Water out (8), return pipe (3) left end be return water entrance (10), right end be backwater outlet (12), the water supplying pipe (1),
It is provided with water supply isocon (2) and backwater diffluence pipe (4) between return pipe (3), is provided with variable frequency pump in the return pipe (3)
(13), it is provided with water supply isocon electric control valve (14) in the water supply isocon (2), is set in the backwater diffluence pipe (4)
It is equipped with backwater diffluence pipe electric control valve (15).
2. a kind of temperature adjustment unit for making same heat source system decoupling operation according to claim 1, it is characterised in that: the confession
It is provided with No. I tee pipe fitting (5), No. II tee pipe fitting (7) in water pipe (1), is provided with No. III tee tube in the return pipe (3)
Part (9), No. IV tee pipe fitting (11), the water supply isocon (2) and No. II tee pipe fitting (7), No. III tee pipe fitting (9) are even
Logical, the backwater diffluence pipe (4) is connected to No. I tee pipe fitting (5), No. IV tee pipe fitting (11).
3. a kind of temperature adjustment unit for making same heat source system decoupling operation according to claim 2, it is characterised in that: the confession
Water inlet (6), water supplying pipe (1) are provided with sensor die at service water outlet (8), the return water entrance (10), return pipe (3),
Backwater outlet is also equipped with sensor module at (12).
4. a kind of temperature adjustment unit for making same heat source system decoupling operation according to claim 3, it is characterised in that: the confession
Moisture flow tube (2), backwater diffluence pipe are provided with sensor module in (4).
5. a kind of temperature adjustment unit for making same heat source system decoupling operation according to claim 4, it is characterised in that: described I
Number tee pipe fitting (5) is heat supply mixed flow node, and No. I tee pipe fitting (5) is Two In and One Out tee tube, is supplied water from water feed inlet
(6) it flows into, reflux water-dividing is flowed into from backwater diffluence pipe (4), enters water supplying pipe (1) after mixed flow.
6. a kind of temperature adjustment unit for making same heat source system decoupling operation according to claim 5, it is characterised in that: described II
Number tee pipe fitting (7) is water supply forking node, and No. II tee pipe fitting (7) is One In and Two Out tee tube, is supplied water from water supplying pipe
(1) it flows into, water outlet is flowed out from service water outlet (8), water supply isocon (2).
7. a kind of temperature adjustment unit for making same heat source system decoupling operation according to claim 6, it is characterised in that: described III
Number tee pipe fitting (9) is return water mixed flow node, and No. III tee pipe fitting (9) is Two In and One Out tee tube, and return water enters from return water
Mouth (10), water supply isocon (2) flow into, and water outlet is flowed out from return pipe (3).
8. a kind of temperature adjustment unit for making same heat source system decoupling operation according to claim 7, it is characterised in that: described IV
Number tee pipe fitting (11) is backwater diffluence node, and No. IV tee pipe fitting (11) is One In and Two Out tee tube, if water is from return pipe (3)
It flows into, water outlet is flowed out from backwater outlet (12), backwater diffluence pipe (4).
9. a kind of temperature adjustment unit for making same heat source system decoupling operation according to claim 8, it is characterised in that: the biography
Sensor mould group includes pressure sensor, temperature sensor, flow sensor.
10. a kind of method for regulating temperature for the temperature adjustment unit for making same heat source system decoupling operation, it is characterised in that: the following steps are included:
Target temperature is arranged in (I)
Changed first according to outdoor temperature, calculates the supply water temperature T for hot sidem, and temperature adjustment unit is set on temperature adjustment unit and is supplied water
The target temperature T of water outletm；
(II) collecting sensor signal
High-temperature water outlet from boiler enters temperature adjustment unit through water feed inlet (6), and temperature adjustment unit is collected at water inlet (6) No. I
In the backwater diffluence pipe that No. VIII temperature sensor T8 is transmitted at supply water temperature that temperature sensor T1 is transmitted, backwater diffluence pipe (4)
The target temperature of water flow temperature and setting；
(III) controls backwater diffluence pipe electric control valve
Calculate the water mixing proportion at No. I tee pipe fitting (5), the backwater diffluence pipe electric control valve in control backwater diffluence pipe (4)
(15) aperture mixes the high-temperature water outlet from boiler at No. I tee pipe fitting (5) with shunting return water and reaches target temperature Tm；
(IV) controls water supply isocon electric control valve
The water supply isocon electric control valve (14) on water supply isocon (2) is controlled, itself and the return water on backwater diffluence pipe (4) are made
Isocon electric control valve (15) aperture is identical, thus guarantee that water supply isocon (2) is identical as the flow of backwater diffluence pipe (4),
It is identical with boiler circular flow for hot side circular flow；
(V) variable frequency pump frequency conversion
No. II flow sensor P2 at service water outlet (8) transmits signals to temperature adjustment unit, and control changes variable frequency pump (13)
Revolving speed guarantees to be always maintained at for hot side circular flow in each control period constant；
(VI) terminates
In next control period, target temperature changes, and repeats the above process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811207970.3A CN109405054A (en) | 2018-10-17 | 2018-10-17 | A kind of temperature adjustment unit and its method for regulating temperature making same heat source system decoupling operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811207970.3A CN109405054A (en) | 2018-10-17 | 2018-10-17 | A kind of temperature adjustment unit and its method for regulating temperature making same heat source system decoupling operation |
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| CN109405054A true CN109405054A (en) | 2019-03-01 |
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| CN201811207970.3A Pending CN109405054A (en) | 2018-10-17 | 2018-10-17 | A kind of temperature adjustment unit and its method for regulating temperature making same heat source system decoupling operation |
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Application publication date: 20190301 |