CN109469941A - A kind of classification multifunctional pump user's unit in single building - Google Patents
A kind of classification multifunctional pump user's unit in single building Download PDFInfo
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- CN109469941A CN109469941A CN201811313976.9A CN201811313976A CN109469941A CN 109469941 A CN109469941 A CN 109469941A CN 201811313976 A CN201811313976 A CN 201811313976A CN 109469941 A CN109469941 A CN 109469941A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 199
- 230000005540 biological transmission Effects 0.000 claims abstract description 53
- 239000008400 supply water Substances 0.000 claims description 31
- 238000001816 cooling Methods 0.000 claims description 28
- 238000010438 heat treatment Methods 0.000 claims description 19
- 238000012544 monitoring process Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 description 11
- 230000017525 heat dissipation Effects 0.000 description 11
- 238000011067 equilibration Methods 0.000 description 10
- 238000012876 topography Methods 0.000 description 9
- 230000006872 improvement Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 210000000582 semen Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000036413 temperature sense Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 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
- F24D3/00—Hot-water central heating systems
- F24D3/02—Hot-water central heating systems with forced circulation, e.g. by pumps
-
- 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
-
- 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
- F24D3/00—Hot-water central heating systems
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
- F24D3/1058—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system disposition of pipes and pipe connections
- F24D3/1066—Distributors for heating liquids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
Classification multifunctional pump user's unit that the present invention provides a kind of in single building, comprising: be mounted on the mixed water pipe between water supplying pipe and return pipe, the classification pump being mounted on the pervious water supplying pipe of mixed water pipe, the multifunctional pump that is mounted on the pervious return pipe of mixed water pipe；The classification pump flow to water supplying pipe for the water in total transmission & distribution water supply network and provides power, and the multifunctional pump supplies user after the return water in the water and return pipe in water supplying pipe is mixed into user's required temperature.The present invention only needs to adjust the motor speed of classification pump and multifunctional pump, just can change the flow of classification pump and multifunctional pump, the flow oversupply of effective solution pipe network front end, the problem that flow supply in end is insufficient.
Description
Technical field
The present invention relates to pipe network distributing system field more particularly to a kind of classification multifunctional pump users in single building
Unit.
Background technique
Within the past few decades, use is all centralized pipe network transmission & distribution system for China's cooling supply, the pipe network transmission & distribution mode of heat supply
System, will appear that pipe network near-end user available pressure is excessive, and flow is excessive in operation；Remote subscriber available pressure is too small, flow
Very few, the water admixing device that centralized cooling supply, heating network distributing system are arranged at user is respectively provided with throttle, consumes proximal end
The overpressure of pipe network generates idle power consumption, reduces cooling supply, heating network transfer efficiency.
Therefore, it is badly in need of developing new pipe network transmission & distribution mode, conveys effect present in overcome in a manner of existing pipe network transmission & distribution
The low problem of rate.
Summary of the invention
Classification multifunctional pump user's unit that the purpose of the present invention is to provide a kind of in single building, on water supplying pipe
Installation classification pump and multifunctional pump solve throttle existing in the prior art and consume a large amount of pipe network power consumptions, before causing pipe network
Flow oversupply is held, flow supply in end is insufficient, it is uneven to make hydraulic pipeline, so that cooling capacity, the loss of the transmission & distribution of heat are caused,
The problem of wasting electric energy.
Realize that the technical solution of the object of the invention is as follows:
A kind of classification multifunctional pump user's unit in single building, comprising: be mounted on mixed between water supplying pipe and return pipe
The multifunctional pump that water pipe, the classification being mounted on the pervious water supplying pipe of mixed water pipe are pumped, are mounted on the pervious return pipe of mixed water pipe；
The classification pump flow to water supplying pipe for the water in total transmission & distribution water supply network and provides power, and the multifunctional pump will be in water supplying pipe
Return water in water and return pipe supplies user after being mixed into user's required temperature.The present invention only needs to adjust classification pump and multifunctional pump
Motor speed, just can change classification pump and multifunctional pump flow, the flow oversupply of effective solution pipe network front end, end stream
The problem that amount supply is insufficient.
It as a further improvement of the present invention, further include controller, the controller is connect with classification pump and multifunctional pump, is used
In the motor working frequency of control classification pump and the motor working frequency of multifunctional pump.The present invention using controller control classification pump and
The electric machine frequency of multifunctional pump changes the flow of classification pump, multifunctional pump to control the running speed of classification pump and multifunctional pump.
As a further improvement of the present invention, the water supplying pipe is equipped with the first temperature sensor and second temperature senses
Device, first temperature sensor be mounted on mixed water pipe connectivity part and classification pump between, for monitor water supplying pipe for water temperature
Degree；The second temperature sensor is mounted between the connectivity part and multifunctional pump of mixed water pipe, is mixed for monitoring to supply water with return water
Water-mixing temperature afterwards；
The return pipe is equipped with the third temperature sensor for monitoring return water temperature；
First temperature sensor, second temperature sensor, third temperature sensor are connect with the input terminal of controller respectively.
Sensor of the invention acquires a kind of supply water temperature of classification multifunctional pump user unit in single building, returns
Coolant-temperature gage and water-mixing temperature, controller determine the electric machine frequency of classification pump and multifunctional pump, control by supply water temperature and return water temperature
Device processed judges whether current classification pump work frequency, multifunctional pump working frequency are suitable by water-mixing temperature.
As a further improvement of the present invention, the water supplying pipe is equipped with first pressure sensor and second pressure senses
Device, the first pressure sensor be mounted on mixed water pipe connectivity part and classification pump between, for monitor water supplying pipe for hydraulic pressure
Power；The second pressure sensor is mounted between the connectivity points and multifunctional pump of mixed water pipe, is mixed for monitoring to supply water with return water
Mixed water pressure afterwards；
The return pipe is equipped with third pressure sensor and the 4th pressure sensor, third pressure sensor setting with
Family end is mixed between the connectivity points of water pipe, and the connectivity part for mixing water pipe and total transmission & distribution return pipe is arranged in the 4th pressure sensor
Between net；
The first pressure sensor, second pressure sensor, third pressure sensor, the 4th pressure sensor respectively with control
The input terminal of device connects, and the controller receives first pressure sensor, second pressure sensor, third pressure sensor, the
The data of four pressure sensors transmission simultaneously control classification pump and multifunctional pump work.
As a further improvement of the present invention, flow G=Q/(T4-T1 of the classification pump), wherein Q is the cold of building
Thermic load, T1 are the supply water temperature of total transmission and distribution network, and T2 is the return water temperature in return pipe, and G is the flow of classification pump.This hair
Bright classification pump undertakes the mixed pervious pressure loss of water pipe after total pipe network balance pipe, is classified the flow of pump by the cold and hot of building
The supply backwater temperature difference of load and total transmission and distribution network determines flow, does not have to additional.
As a further improvement of the present invention, the multifunctional pump flow presses formula G1=Q/(T3-T4), Q is the cold of building
Thermic load, T3 are the supply water temperature (supplying water and the mixed water-mixing temperature of return water) of pipe network in building, and T4 is return pipe
Return water temperature, G1 are the flow of multifunctional pump.Multifunctional pump of the invention undertakes the pressure loss after mixed water pipe and in building,
The flow of multifunctional pump determines flow by the supply backwater temperature difference of pipe network in the cooling and heating load and building of building, does not have to additional.
As a further improvement of the present invention, the mixed water coefficient u=(T1-T3 of the mixed water pipe)/(T3-T4), wherein
T1 is the supply water temperature of total transmission and distribution network, and T3 is that the supply water temperature of pipe network in building (supplies water and the mixed mixed water of return water
Temperature), T4 be return pipe return water temperature, T1-T3 be total transmission and distribution network supply water temperature and building in pipe network for water temperature
The difference of degree, T3-T4 are the difference of the return water temperature of pipe network in the supply water temperature and building of total transmission and distribution network.Mixed water of the invention
Pipe is mounted on the confession between classification pump and multifunctional pump, on return pipe, according to the supply and return water temperature of pipe network and user's supply and return water temperature
Mixed water coefficient is determined, so that it is determined that mixed water pipe caliber, guarantees the bypass flow for entering building.Since mixed water pipe of the invention is pacified
In confession, return pipe between classification pump and multifunctional pump, determined according to the supply and return water temperature of pipe network and user's supply and return water temperature
Mixed water coefficient, so that it is determined that mixed water pipe caliber, guarantees the bypass flow for entering building.
Compared with prior art, the beneficial effects of the present invention are:
The classification water mixing pump system mutually concatenated with Cooling and Heat Source circulating pump is arranged in cold and hot user side by the present invention, and each user is as needed
Automatically extract cold and hot amount from pipe network, the flow rate of pipe network is changed by the speed change of user's variable frequency pump to change resistance of pipe system come
Pipe network balance is realized, without installing any balanced valve before a kind of classification multifunctional pump subscriber computer group interface in single building
Door, to reduce transmission & distribution energy consumption, electricity saving and energy saving obtains higher transfer efficiency, has been really achieved energy conservation, efficient purpose.
Detailed description of the invention
Fig. 1 is a kind of working principle diagram one of classification multifunctional pump user unit in single building；
Fig. 2 is a kind of principle of automatic control figure of classification multifunctional pump user unit in single building；
Fig. 3 is a kind of working principle diagram two of classification multifunctional pump user unit in single building.
In figure, 1, control cabinet；2, classification pump；3, multifunctional pump；4, energy meter；5, shut-off valve；6, check-valves；7, filter；
8, temperature sensor；9, pressure sensor；10, pressure gauge；R1, total transmission & distribution water supply network；R2, total transmission & distribution return pipe net；R3, it mixes
Water pipe.
Specific embodiment
The present invention is described in detail for each embodiment shown in reference to the accompanying drawing, but it should be stated that, these
Embodiment is not limitation of the present invention, those of ordinary skill in the art according to these embodiments made by function, method,
Or equivalent transformation or substitution in structure, all belong to the scope of protection of the present invention within.
Term " first ", " second ", " third " etc. are used for description purposes only, and are not understood to indicate or imply relatively heavy
The property wanted or the quantity for implicitly indicating indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can be bright
Show or implicitly include one or more of the features.In the description of the invention, unless otherwise indicated, " multiple "
It is meant that two or more.
Term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to removable
Connection is unloaded, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, can pass through
Concrete condition understands concrete meaning of the above-mentioned term in the invention.
The shortcomings that in order to overcome existing centralized pipe network transmission & distribution to apply, the purpose of the present invention is the distributing pipes in building
A kind of classification multifunctional pump user's unit in single building is provided in net distributing system, pipe network classification is installed on water supplying pipe
The device that multifunctional pump is installed on pump and return pipe solves throttle existing in the prior art and consumes a large amount of pipe network power consumptions,
The flow oversupply of pipe network front end is caused, flow supply in end is insufficient, keeps hydraulic pipeline uneven, to cause cooling capacity, heat
Transmission & distribution loss, waste electric energy the problem of.
In the present invention the technical solution adopted is that: in building in distributing pipe network distributing system, one kind built in monomer
Classification multifunctional pump user's unit in object is built, the shut-off valve installed on water supplying pipe, classification pump, check-valves, shutdown are mainly included back
Valve, mixed water pipe etc., install shut-off valve, multifunctional pump, check-valves, shut-off valve, filter, energy meter etc., for return pipe on return pipe
Pressure sensor, temperature sensor, robot control system(RCS) etc. are installed.Analog signals (each user totally 9 moulds of each sensor acquisition
The input of analog quantity signal) being transmitted separately to STEC2000 controller, (its quantity is determining with collection point and number of control points, STEC2000
It can be with group net operation).Wherein classification pump, multifunctional pump are common water pump, are furnished with frequency-variable controller, frequency-variable controller control classification
The electric machine frequency of pump, multifunctional pump changes the flow of classification pump, multifunctional pump to control the running speed of water pump.
In building in distributing transmission and distribution network system, a kind of classification in single building in building mixes water
The supply water temperature for pumping user's unit is different from total transmission and distribution network supply water temperature, and total transmission and distribution network accesses one kind in list in building
After classification multifunctional pump user's unit in body building, for setting mixed water pipe between return pipe, divide from total transmission and distribution network return pipe
Partial discharge is sent after being adjusted to user's supply water temperature to user in building to water supplying pipe out；One kind in building is in monomer
The return water temperature of classification multifunctional pump user unit in building is identical as total transmission and distribution network return water temperature, that is to say, that building
A kind of supply backwater temperature difference of interior classification multifunctional pump user unit in single building is with total transmission and distribution network for return water temperature
It is poor different.
Multifunctional pump is installed on the classification pump and return pipe installed on water supplying pipe in building, is respectively one, inventory is spare, with
It is energy-efficient when guarantee separate unit pump variable frequency operation, shut-off valve, pressure gauge are respectively mounted before pump；Pressure gauge, non-return are respectively mounted after pump
Valve, shut-off valve, the shut-off valve that pump front and back is installed, it is therefore an objective to pipeline is cut off when pumping maintenance, it is detachable to overhaul；It installs pump front and back
Pressure gauge, it is therefore an objective to the operating pressure of detection pump front and back；Check-valves is installed, it is therefore an objective to prevent water reflux after pump after pump.
Classification pump undertakes the mixed pervious pressure loss of water pipe after total pipe network balance pipe, is classified the flow of pump by building
The supply backwater temperature difference of cooling and heating load and total transmission and distribution network determines flow, does not have to additional.It is classified pump discharge and presses formula G=Q/(T4-
T1), it is known that the cooling and heating load Q of building and supply water temperature T1, the return water temperature T4 of total transmission and distribution network obtain the flow of classification pump
G。
Multifunctional pump undertakes mixed water pipe and bears later with the pressure loss in building, the flow of multifunctional pump by the cold and hot of building
The supply backwater temperature difference of pipe network determines flow in lotus and building, does not have to additional.Multifunctional pump flow presses formula G1=Q/(T3-T4),
Supply water temperature T3, the return water temperature T4 for knowing pipe network in the cooling and heating load Q and building of building, obtain the flow G1 of multifunctional pump.
Mixed water pipe is mounted on the confession between classification pump and multifunctional pump, on return pipe, according to the supply and return water temperature and use of pipe network
Family supply and return water temperature determines mixed water coefficient, so that it is determined that mixed water pipe caliber, guarantees the bypass flow for entering building.Mixed water coefficient
By formula u=(T1-T3)/(T3-T4), it is known that in the supply water temperature and building of total transmission and distribution network the supply water temperature of pipe network it
The difference of the return water temperature of pipe network, obtains mixed water coefficient u in difference, and the supply water temperature and building of total transmission and distribution network.
The mixed pervious caliber for return pipe net of water pipe is determining by flow of the cooling and heating load in building in pipe network,
Flow is determined by the cooling and heating load of building and the supply backwater temperature difference of pipe network, is not had to additional.
The mixed later caliber for return pipe net of water pipe by the cooling and heating load and building in building for return water temperature
What difference determined, do not have to additional.
On water supplying pipe install check-valves, shut-off valve, pressure gauge, filter, shut-off valve, classification pump, check-valves, shut-off valve,
Mixed waterpipe jointing, into user.
Shut-off valve, multifunctional pump, check-valves, shut-off valve, mixed waterpipe jointing, filter, energy meter, pressure are installed on return pipe
Table, shut-off valve, into pipe network.
Energy meter is mounted on pipe network return pipe, sets shut-off valve before and after energy meter, in energy meter maintenance when cutting pipeline
It uses；Water filter is set before energy meter, guarantees that energy meter normal work does not block.
Pressure gauge is set before and after water filter.Water pipe front and back is mixed on water supplying pipe, and pressure sensor, classification pump and multifunctional pump are installed
Front and back is installed by pressure sensor；Water pipe front and back mounting temperature sensor is mixed on water supplying pipe, temperature sensing is installed in classification pump suction side
Device.
A kind of classification multifunctional pump user unit in single building makes according in outdoor climate conditions and building
With situation, control cabinet passes through the parameter of pipe network temperature sensor and pressure sensor, is computed processing and is transmitted to controller, control point
The rotation speed operation of grade pump and multifunctional pump, decreases or increases into the flow in building, guarantees the constant of room temperature.
Robot control system(RCS) is by measuring cell (sensors such as temperature, pressure), STEC2000 controller, executive component (for classification
Pump, the frequency-variable controller matched of multifunctional pump) etc. composition, and form closed-loop control system.Control cabinet passes through outdoor temperature sensor, builds
Build confession in object, the parameter of return water temperature sensor and pressure sensor transmission and classification pump and the revolving speed of multifunctional pump feedback (often
A user totally 11 analog signals inputs) with after setup parameter progress operation comparison, controller exports two analog signals
The revolving speed of control classification pump and multifunctional pump respectively changes the flow in building in real time, keeps the perseverance of room temperature in building
It is fixed.
A kind of classification multifunctional pump user's machine set control cabinet Centralizing inspection and control in single building has long-range logical
Communication function is also subjected to the control instruction for concentrating energy centre to assign.
The beneficial effects of the invention are as follows one kind in distributing pipe network distributing system, is arranged in building in single building
Interior classification multifunctional pump user's unit, that is, classification pump in single building undertake it is after transmission and distribution network balance pipe and mixed
The pressure loss before water pipe, multifunctional pump undertake pipe network mix water pipe after and building in the pressure loss, classification pump and mixed water
Pump makes transmission and distribution network not have idle power consumption or lesser idle power consumption, improves pipe all in accordance with user's service condition converting operation
The transfer efficiency of net is arranged a kind of in single building under the conditions of compared with centralized distributing system in building
Being classified multifunctional pump user unit can get 30 ~ 60% installation power saving rate；Converting operation with time stage pump can also adjust entrance
The mixed water coefficient of flow in building meets the real-time variable-flow operation of user, guarantees indoor stable cooling supply, heat supply, improves and use
A kind of classification in single building is arranged under the conditions of compared with centralized distributing system in family comfort level in building
Multifunctional pump user's unit can get 20% ~ 50% operation power saving rate；By adjusting the revolving speed of classification pump and multifunctional pump, each building
It is easy to reach the dynamic equilibrium of flow with the system of other buildings of transmission and distribution network, to guarantee the waterpower of entire distributing system
Balance, thermodynamic equilibrium, the excessive loss of cold and hot amount is not set in building under the conditions of compared with centralized distributing system
Set a kind of section heating rate of classification multifunctional pump user unit available 10% in single building.
In Fig. 1, a kind of classification multifunctional pump user's unit in single building includes control cabinet 1, and classification pump 2 mixes water
Pump 3, energy meter 4, shut-off valve 5, check-valves 6, filter 7, temperature sensor 8, pressure sensor 9, pressure gauge 10.
As shown in Figure 1, 2, the present embodiment is a kind of in building one in the building of distributing pipe network distributing system
Classification multifunctional pump user unit of the kind in single building.Pipe network in building, which matches to use with defeated pipe network, to be directly connected to,
Pipe network in building and transmission and distribution network using being directly connected to, in building water supplying pipe successively install check-valves, shut-off valve,
Pressure gauge, shut-off valve, pressure sensor, classification pump, check-valves, pressure sensor, shut-off valve, temperature sensor, mixes filter
Waterpipe jointing, pressure sensor, temperature sensor, into user.
Pipe network in building, which matches to use with defeated pipe network, to be directly connected to, and successively installs pressure sensing in building on return pipe
Device, shut-off valve, multifunctional pump, pressure sensor, check-valves, shut-off valve, mixed waterpipe jointing, temperature sensor, pressure sensor, mistake
Filter, energy meter, pressure gauge, shut-off valve, into pipe network.Wherein check-valves is that transmission and distribution network water flow is avoided to drive in the wrong direction；In filter
Front and back is respectively mounted pressure gauge, and whether detection filter blocks failure；Energy meter can carry out metering and monitoring in building, from
And the data of user's energy consumption are obtained, energy meter output line connects control cabinet, and building is interior and the confession of pipe network, return water temperature can be from energy
It is read on meter or control cabinet.
Classification pump group is mounted in building on water supplying pipe, is connected to after filter, and classification pump is respectively mounted shutdown before pump
Valve is respectively mounted pressure gauge, check-valves and shut-off valve after pump.Classification pump undertake in building mix water pipe before after pipe network balance pipe
Ductwork pressure loss in transmission and distribution network to building, while the mixed water coefficient in adjustment building in real time, classification pump speed change
Operation, is controlled by control cabinet.
Multifunctional pump group is mounted on return pipe in building, is connected to after shut-off valve, multifunctional pump be respectively mounted before pump shut-off valve,
Pressure gauge is respectively mounted pressure gauge, check-valves and shut-off valve after pump.Multifunctional pump undertakes the pressure damage of interior of building pipe network circulation
It loses, user mixes water converting operation, also controlled by control cabinet.
The operation of Cooling and Heat Source pump at the operation of classification pump and multifunctional pump and the Cooling and Heat Source of total pipe network is associated, by control cabinet
Control and management.
Mixed water pipe, which is mounted in the building among classification pump group and multifunctional pump group, to be supplied, on return pipe, is installed on mixed water pipe
Shut-off valve only open in engineering operation, be off in debugging at the beginning of engineering.
A kind of classification multifunctional pump user's unit in single building is suitable for building to be in pipe network defeated in building
The flat position of match system topography.In heating and cooling system, owned building user is steady of system press by their entirety, relatively together
The position of other users in an operating system, it is moderate that the flat classification multifunctional pump user of building topography understands pressure-bearing,
Pipeline, heat dissipation equipment are also not easy air inlet after long-play, are not in the phenomenon with fate row, pipeline, heat dissipation equipment
Do not allow perishable, will not influence the normal use of whole system.
To adapt to the relatively low building of pipe network water supplying pipe temperature, the classification pump of classification multifunctional pump user unit is mounted on
On water supplying pipe, multifunctional pump is mounted on return pipe, and equilibration time is short between each user when being pipe network system initial adjustment for advantage.
It being mounted on return pipe relative to classification pump, multifunctional pump is mounted on classification multifunctional pump user's unit on water supplying pipe,
The relatively high building of pipe network water supplying pipe temperature is adapted to, the classification pump of classification multifunctional pump user unit is mounted on water supplying pipe,
Multifunctional pump is mounted on return pipe, and equilibration time is short between each user when being also pipe network system initial adjustment for advantage.
A kind of classification multifunctional pump subscriber computer group classification pump heatproof in single building is lower in building；Multifunctional pump is resistance to
Temperature is higher, lower suitable for pipe network water supply temperature, the lower system of return water temperature.Transmission and distribution network Relatively centralized formula pipe network transmission & distribution system
System lasts a long time.
Unit regulation process in pipe network system initial adjustment in each building is simple and easy, and the hydraulic equilibrium time is than collection
Chinese style pipe network distributing system is short.
A kind of classification multifunctional pump user's unit in single building is suitable for transmission and distribution network and building in building
The interior lesser system of pipe network hydraulic pressure value deviation, that is to say, that the comparable feelings of pipe network water pressure in transmission and distribution network pressure of supply water and building
It is suitble to select a kind of classification multifunctional pump user's unit in single building under condition.
A kind of classification multifunctional pump user's unit in single building sets outdoor temperature sensor, building in building
It is interior to supply, set temperature sensor and pressure sensor on return pipe.
As shown in Fig. 2, a kind of classification multifunctional pump user unit in single building is carried out by control cabinet in building
Automatic Control, control cabinet pass through supply water temperature sensor, return water temperature sensor and pressure in outdoor temperature sensor, building
The revolving speed of the state modulators such as force snesor classification pump and multifunctional pump, changes the flow in building in real time, keeps building interior room
Interior temperature it is constant.
Classification pump, multifunctional pump are mounted on classification multifunctional pump user's unit on water supplying pipe: being suitable for building high-land, user
(in heating and cooling system, owned building user is steady of system press by their entirety, phase to the small building user of water supply pipe pressure
To the position with the other users in an operating system, it is lower that the classification multifunctional pump user of building high-land understands pressure-bearing,
Top floor is the minimum position of system pressure-bearing, and pipeline, heat dissipation equipment are easy air inlet after long-play, band gas occurs
The phenomenon that operation, pipeline, heat dissipation equipment easily corrode, and influence the normal use of whole system.For the building for avoiding high-land
Pipeline, heat dissipation equipment air inlet corrosion, the classification pump and multifunctional pump of classification multifunctional pump user unit are arranged at the water supplying pipe of pipe network
On).Advantage: equilibration time is short between each user when pipe network system initial adjustment, and system energy saving in running rate is high.Disadvantage: classification pump exists
It is installed on water supplying pipe, needs to be classified pump heatproof height, the opposite water pump service life is shorter；Transmission and distribution network and building user's pipe network water pressure are inclined
Difference is larger.
Classification pump, multifunctional pump are mounted on classification multifunctional pump user's unit on return pipe:, user low suitable for building topography
(in heating and cooling system, owned building user is steady of system press by their entirety, phase to the big building user of water supply pipe pressure
To the position with the other users in an operating system, it is higher that the low classification multifunctional pump user of building topography understands pressure-bearing,
The floor of the bottom is the highest position of system pressure-bearing, and pipeline, heat dissipation equipment are easy booster after long-play, race occurs and emits
Weeping influences the normal use of whole system.It is excessively high for the architecture pipe that avoids topography low, heat dissipation equipment pressure-bearing, point
The classification pump and multifunctional pump of grade multifunctional pump user's unit are arranged on the return pipe of pipe network).Advantage: when pipe network system initial adjustment
Equilibration time is short between each user, and system energy saving in running rate is high, and classification pump is installed on return pipe, and classification pump heatproof is lower, phase
Water pump is lasted a long time.Disadvantage: transmission and distribution network and building user's pipe network water pressure deviation are larger.
Classification pump be mounted on return pipe, classification multifunctional pump user's unit that multifunctional pump is mounted on water supplying pipe: be suitable for
Building the flat building user of topography, (in heating and cooling system, owned building user is steady of system press by their entirety, phase
To the position with the other users in an operating system, it is suitable that the flat classification multifunctional pump user of building topography understands pressure-bearing
In, it is not in the phenomenon with fate row that pipeline, heat dissipation equipment, which are also not easy air inlet, after long-play, and pipeline, heat dissipation are set
It is perishable for also not allowing, it will not influence the normal use of whole system.To adapt to the relatively high building of pipe network water supplying pipe temperature
The classification pump of object, classification multifunctional pump user unit is mounted on return pipe, and multifunctional pump is mounted on water supplying pipe, and advantage is pipe network system
Equilibration time is short between each user when initial adjustment of uniting.Relative to classification pump be mounted on water supplying pipe, multifunctional pump is mounted on water supply
Classification multifunctional pump user's unit on pipe adapts to the relatively high building of pipe network water supplying pipe temperature, is classified multifunctional pump subscriber computer
The classification pump of group is mounted on water supplying pipe, and multifunctional pump is mounted on return pipe, advantage each user when being also pipe network system initial adjustment
Between equilibration time it is short).Advantage: equilibration time is short between each user when pipe network system initial adjustment, and system energy saving in running rate is high, point
Grade pump is installed on return pipe, and classification pump heatproof is lower, and opposite water pump lasts a long time；Transmission and distribution network and building user pipe network water
Press deviation smaller.Disadvantage: multifunctional pump is installed on the water supplying pipe of building pipe network, and multifunctional pump heatproof is higher.
Classification pump be mounted on water supplying pipe, classification multifunctional pump user's unit that multifunctional pump is mounted on return pipe: be suitable for
Building the flat building user of topography, (in heating and cooling system, owned building user is steady of system press by their entirety, phase
To the position with the other users in an operating system, it is suitable that the flat classification multifunctional pump user of building topography understands pressure-bearing
In, it is not in the phenomenon with fate row that pipeline, heat dissipation equipment, which are also not easy air inlet, after long-play, and pipeline, heat dissipation are set
It is perishable for also not allowing, it will not influence the normal use of whole system.To adapt to the relatively low building of pipe network water supplying pipe temperature
The classification pump of object, classification multifunctional pump user unit is mounted on water supplying pipe, and multifunctional pump is mounted on return pipe, and advantage is pipe network system
Equilibration time is short between each user when initial adjustment of uniting.Relative to classification pump be mounted on return pipe, multifunctional pump is mounted on water supply
Classification multifunctional pump user's unit on pipe adapts to the relatively high building of pipe network water supplying pipe temperature, is classified multifunctional pump subscriber computer
The classification pump of group is mounted on water supplying pipe, and multifunctional pump is mounted on return pipe, advantage each user when being also pipe network system initial adjustment
Between equilibration time it is short).Advantage: equilibration time is short between each user when pipe network system initial adjustment, and system energy saving in running rate is high, mixes
Water pump is installed on return pipe, and multifunctional pump heatproof is lower, and opposite water pump lasts a long time；Transmission and distribution network and building user pipe network water
Press deviation smaller.Disadvantage: classification pump is installed on the water supplying pipe of building pipe network, and classification pump heatproof is higher.
Working principle: distributing transmission and distribution network system is the setting Cooling and Heat Source circulating pump at Cooling and Heat Source, is provided in Cooling and Heat Source
The pervious available pressure of portion's balance pipe.Control cabinet is set in Cooling and Heat Source pump house, by the confession for acquiring outdoor temperature and pipe network system
Water temperature controls pipe network pressure difference and supply water temperature, controls the revolving speed of pipe network water circulating pump, that is, water circulating pump runs at high speed, with
Being raised and lowered for outdoor temperature, the heating load or semen donors of user also change therewith, the control loop water pump slow-speed of revolution operation,
Keep the constant of user indoor temperature.The setting classification pump at building user provides user after pipe network balance pipe to building
Available pressure before object user；Multifunctional pump is set at building user, provides the available pressure inside building user, and real
Now mix water function.It is pressed according to building in the location of transmission and distribution network and user and the opposite of pipe network in building with indoor
Four kinds of connection types can be used in power: classification pump, multifunctional pump are mounted on classification multifunctional pump user's unit on water supplying pipe；Classification pump,
Multifunctional pump is mounted on classification multifunctional pump user's unit on return pipe；Classification pump is mounted on return pipe, multifunctional pump is mounted on confession
Classification multifunctional pump user's unit on water pipe；It is mixed that classification pump is mounted on water supplying pipe, multifunctional pump is mounted on the classification on return pipe
Water pump user's unit.Frequency-conversion control cabinet is arranged in the indoor classification multifunctional pump user's unit of building to control classification pump and mix
Pump variable frequency speed governing operation, when outdoor temperature is raised and lowered, the speed regulation pumped by classification changes the mixed water coefficient of user, adjusts
Save the mixed water of custom system；By the speed regulation of user's multifunctional pump, user's changeable flow adjustment is realized, supply to reach control user
Cooling capacity, the purpose of heating load.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope bright, that they are not intended to limit the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention
Or change should all be included in the protection scope of the present invention.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (8)
1. a kind of classification multifunctional pump user's unit in single building characterized by comprising be mounted on water supplying pipe and return
Mixed water pipe between water pipe, is mounted on the pervious return pipe of mixed water pipe at the classification being mounted on the pervious water supplying pipe of mixed water pipe pump
On multifunctional pump；
The classification pump flow to water supplying pipe for the water in total transmission & distribution water supply network and provides power, and the multifunctional pump will be in water supplying pipe
Return water in water and return pipe supplies user after being mixed into user's required temperature.
2. a kind of classification multifunctional pump user's unit in single building according to claim 1, which is characterized in that institute
State flow G=Q/(T4-T1 of classification pump), wherein Q is the cooling and heating load of building, and T1 is the supply water temperature of total transmission and distribution network,
T4 is the return water temperature in return pipe, and G is the flow of classification pump.
3. a kind of classification multifunctional pump user's unit in single building according to claim 1 or 2, feature exist
In the multifunctional pump flow presses formula G1=Q/(T3-T4), Q is the cooling and heating load of building, and T3 is the confession of pipe network in building
Coolant-temperature gage, T4 are the return water temperature of return pipe, and G1 is the flow of multifunctional pump.
4. a kind of classification multifunctional pump user's unit in single building according to claim 1 or 2, feature exist
In the mixed water coefficient u=(T1-T3 of the mixed water pipe)/(T3-T4), wherein T1 is the supply water temperature of total transmission and distribution network, T3
For the supply water temperature of pipe network in building, T4 is the return water temperature of return pipe, T1-T3 be total transmission and distribution network supply water temperature and
The difference of the supply water temperature of pipe network in building, T3-T4 are the return water temperature of pipe network in the supply water temperature and building of total transmission and distribution network
The difference of degree.
5. a kind of classification multifunctional pump user's unit in single building according to claim 1, which is characterized in that also
Including controller, the controller is connect with classification pump and multifunctional pump, for controlling the motor working frequency and mixed water that classification pumps
The motor working frequency of pump.
6. a kind of classification multifunctional pump user's unit in single building according to claim 5, which is characterized in that institute
Water supplying pipe is stated equipped with the first temperature sensor and second temperature sensor, first temperature sensor is mounted on mixed water pipe
Between connectivity part and classification pump, for monitoring the supply water temperature of water supplying pipe；The second temperature sensor is mounted on mixed water pipe
Between connectivity part and multifunctional pump, supply water and the mixed water-mixing temperature of return water for monitoring；
The return pipe is equipped with the third temperature sensor for monitoring return water temperature；
First temperature sensor, second temperature sensor, third temperature sensor are connect with the input terminal of controller respectively.
7. a kind of classification multifunctional pump user's unit in single building according to claim 6, which is characterized in that institute
Stating the collected temperature value of the first temperature sensor is T1, and the collected temperature value of second temperature sensor is T3, described
The collected temperature value of third temperature sensor is T4.
8. special according to a kind of described in any item classification multifunctional pump user's units in single building of claim 5-7
Sign is that the water supplying pipe is equipped with first pressure sensor and second pressure sensor, the first pressure sensor installation
Between the connectivity part and classification pump of mixed water pipe, for monitoring the pressure of supply water of water supplying pipe；The second pressure sensor installation
Between the connectivity points and multifunctional pump of mixed water pipe, supply water and the mixed mixed water pressure of return water for monitoring；
The return pipe is equipped with third pressure sensor and the 4th pressure sensor, third pressure sensor setting with
Family end is mixed between the connectivity points of water pipe, and the connectivity part for mixing water pipe and total transmission & distribution return pipe is arranged in the 4th pressure sensor
Between net；
The first pressure sensor, second pressure sensor, third pressure sensor, the 4th pressure sensor respectively with control
The input terminal of device connects, and the controller receives first pressure sensor, second pressure sensor, third pressure sensor, the
The data of four pressure sensors transmission simultaneously control classification pump and multifunctional pump work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811313976.9A CN109469941A (en) | 2018-11-06 | 2018-11-06 | A kind of classification multifunctional pump user's unit in single building |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811313976.9A CN109469941A (en) | 2018-11-06 | 2018-11-06 | A kind of classification multifunctional pump user's unit in single building |
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| CN109469941A true CN109469941A (en) | 2019-03-15 |
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| CN201811313976.9A Pending CN109469941A (en) | 2018-11-06 | 2018-11-06 | A kind of classification multifunctional pump user's unit in single building |
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