CN206959107U - A kind of heating once net and secondary network system for matching low temperature well formula nuclear heat supplying pile - Google Patents
A kind of heating once net and secondary network system for matching low temperature well formula nuclear heat supplying pile Download PDFInfo
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- CN206959107U CN206959107U CN201720489304.8U CN201720489304U CN206959107U CN 206959107 U CN206959107 U CN 206959107U CN 201720489304 U CN201720489304 U CN 201720489304U CN 206959107 U CN206959107 U CN 206959107U
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Abstract
The utility model discloses a kind of heating once net and secondary network system for matching low temperature well formula nuclear heat supplying pile, including net system of heating and the secondary net system that heats, described net system of heating includes nuclear heat supplying pile, increase heat subsystem, consumption of calorie subsystem and once net heating network；The nuclear heat supplying pile, increase heat subsystem and consumption of calorie subsystem is distributed with the once net heating network；The heating secondary network system includes secondary network heating network, is distributed once net heat user and secondary network heat user in the secondary network heating network.Disclosed once net and the secondary network system of heating of the utility model, the contradiction between the unadjustable property of atmospheric low-temperature well formula nuclear heat supplying pile output and the heat demand fluctuation of user is can effectively solve the problem that, may advantageously facilitate the further genralrlization popularization of low temperature well formula nuclear heat supplying pile.
Description
Technical field
Heat supply and field of environmental technology are the utility model is related to, more particularly to a kind of matching low temperature well formula nuclear heat supplying pile
Heat once net and secondary network system.
Background technology
At present, the boiler as urban heat supplying thermal source is one of the main reason for causing atmosphere pollution, in order to effectively reduce
Atmosphere pollution, atmospheric low-temperature well formula nuclear heat supplying pile gradually substitute traditional fire coal with the security of its technology, good economy
Thermal source of the boiler as urban district heating system.Thermal source of the atmospheric low-temperature well formula nuclear heat supplying pile as city's central heating system,
It is to solve urban energy supply, mitigate transport pressure and eliminate and burn a kind of new way that coal causes environmental pollution, and at this stage
The key point of control atmosphere pollution.
For atmospheric low-temperature well formula nuclear heat supplying pile, it is from the angle for ensuring safety and economical operation, running
Only two actions of "ON" and "Off", therefore it only has " full load output " and " not exporting " two states as single thermal source,
That is the heat that the hot water of nuclear heat supplying pile output supplies water and return water temperature is constant, exports is constant, has and exports unadjustable property.
In actual production life, the space heating load that user needs is change with outdoor temperature and the moment is changing,
For existing for coal-fired, urban district heating system of the fuel-oil or fuel-gas boiler as main heating source, these conventional heat
The heat of source output and the water supply of output and return water temperature can change at any time with the change of outdoor temperature, to adapt to user's needs
Space heating load change.
But for using urban district heating system of the atmospheric low-temperature well formula nuclear heat supplying pile as independent thermal source, at present
Can not also effectively solve between the unadjustable property of atmospheric low-temperature well formula nuclear heat supplying pile output and the heat demand fluctuation of user
Contradiction.
Therefore, at present there is an urgent need to develop a kind of technology, it can ensure the space heating load of user's needs with outdoor
The change of temperature and moment while change, keep low temperature well formula nuclear heat supplying pile constant output temperature and quantity of heat given up, had
Effect solves the contradiction between the unadjustable property of atmospheric low-temperature well formula nuclear heat supplying pile output and the heat demand fluctuation of user.
Utility model content
In view of this, the purpose of this utility model be to provide it is a kind of match low temperature well formula nuclear heat supplying pile heating once net and
Secondary network system, its can ensure user need space heating load with the change of outdoor temperature and the moment change while,
Low temperature well formula nuclear heat supplying pile constant output temperature and quantity of heat given up are kept, effectively solves the output of atmospheric low-temperature well formula nuclear heat supplying pile
Unadjustable property and user heat demand fluctuation between contradiction, may advantageously facilitate low temperature well formula nuclear heat supplying pile enters one
Step popularizes, and is of great practical significance.
Therefore, the utility model provides a kind of heating for matching low temperature well formula nuclear heat supplying pile once net and secondary network system
System, including net system of heating and the secondary net system that heats, wherein：
Net system of the heating includes nuclear heat supplying pile, increase heat subsystem, consumption of calorie subsystem and once
Net heating network；
The once net heating network is used to provide recirculated water for the net system that heats once；
The nuclear heat supplying pile, increase heat subsystem and consumption of calorie subsystem is distributed with the once net heating network
System, wherein：
The nuclear heat supplying pile, the recirculated water for being provided the once net heating network carry out heat temperature raising processing,
It is then output to the increase heat subsystem or the consumption of calorie subsystem；
It is described increase heat subsystem, be connected respectively with the nuclear heat supplying pile and the once net heat user, for pair
The recirculated water that the nuclear heat supplying pile is sent carries out heat temperature raising processing, is then output in the heating secondary network system
Once net heat user；
The consumption of calorie subsystem, be connected respectively with the nuclear heat supplying pile and the once net heat user, for pair
The water that the nuclear heat supplying pile is sent carries out cooling processing of consuming energy, and is then output in the heating secondary network system once
Net heat user；
The secondary net system of heating includes once net heat user, secondary network heating network and secondary network heat user, its
In：
The heating secondary network system includes secondary network heating network, and it is the heating that the secondary network heating network, which is used for,
Secondary network system provides recirculated water；
Once net heat user and secondary network heat user are distributed in the secondary network heating network.
Wherein, the increase heat subsystem includes boiler, the circulation water inlet of the boiler left end and the core heat supply
The supply channel of heap is connected, the once net thermodynamic cycle of the circulating water outlet of the boiler right-hand member and the once net heat user
Water input is connected；
The once net thermal circulating water output end of the once net heat user is connected with the water return pipeline of the nuclear heat supplying pile
It is logical；
The circulating water outlet of the boiler right-hand member also passes through one section of bypass line for being provided with motor-driven valve and the feed pipe
Road is connected.
Wherein, the consumption of calorie subsystem includes low-temperature electricity-generating unit, the supply channel of the nuclear heat supplying pile with it is described
The circulation water inlet of low-temperature electricity-generating unit left end is connected, the circulating water outlet of the low-temperature electricity-generating unit right-hand member with it is described once
The once net thermal circulating water input of net heat user is connected.
Wherein, the once net thermal circulating water output end of the once net heat user left end bottom is once netted fixed by one
Fast water circulating pump is connected with the water return pipeline of the nuclear heat supplying pile；
The flow inlet of the once net constant speed water circulating pump with one once net water-supply and pressure-stabling device be connected.
Wherein, be additionally provided with an once net return water temperature measuring point on the water return pipeline of the nuclear heat supplying pile, it is described once
Net return water temperature measuring point is used to detect the return water temperature in the recovery pipe.
Wherein, in addition to a master controller, the master controller increase heat subsystem, the consumption with described respectively
Heat subsystem is connected with the once net return water temperature measuring point；
The master controller, the return water temperature of acquisition is detected for reading the once net return water temperature measuring point, when this
When return water temperature is more than default power consumption temperature, control signal is sent to the consumption of calorie subsystem, controls the consumption of calorie
Subsystem is run；When the return water temperature is less than default heating-up temperature, control signal is sent to the increase heat subsystem, control
Make the increase heat subsystem operation.
Wherein, it is characterised in that the once net heat user includes secondary network heat exchanger, secondary network regenerative apparatus, secondary
Net source pump, secondary network water-supply and pressure-stabling device and secondary network variable circulation water pump；
The once net thermal circulating water input of the once net heat user respectively with the secondary network heat exchanger top right
The circulation water inlet at end is connected with the circulation water inlet of the secondary network regenerative apparatus left upper part, and the once net heating power follows
Ring water the output end circulating water outlet with the secondary network heat exchanger top left and the secondary network regenerative apparatus left end respectively
The circulating water outlet of bottom is connected；
The outlet pipe of the secondary network variable circulation water pump left end and the recirculated water of the secondary network exchanger base right-hand member
Entrance is connected；
The secondary network heat exchanger, for the once net thermal circulating water input of the once net heat user to be transmitted
The water come carries out heat exchange with the backwater in the secondary heating pipe network, is then circulated by once net thermal circulating water output end
Return in the once water return pipeline of net heating network；
The secondary network regenerative apparatus, the once net thermal circulating water input for absorbing the once net heat user pass
The heat for the water brought simultaneously is stored, and the heating power for absorbing the water after heat and sending back the once net heat user is followed
Ring water output end；
The secondary network source pump is used to absorb heat from absorption secondary network regenerative apparatus, then to from described two
The once net thermal circulating water input of the water and the once net heat user of the outlet pipe output of secondary net variable circulation water pump left end
After holding the water sent to continue heating, then export to the secondary network heat user.
Wherein, the once net heat user also includes secondary network water-supply and pressure-stabling device；
The suction hose of the secondary network variable circulation water pump right-hand member also respectively with the secondary network water-supply and pressure-stabling device, secondary
The secondary network thermal circulating water output end of net heat user is connected.
Wherein, the secondary network heat exchanger, it is additionally operable to that the water of the outlet pipe of the variable circulation water pump will be come from and comes
After water from after being heated in the secondary network source pump is mixed and exchanged heat, then it is output to the input of secondary network thermal circulating water
End, then passes to secondary network heat user.
Wherein, the secondary network source pump includes secondary network evaporator with heat pump, secondary network heat pump compressor and secondary network
Heat pump condenser；
Wherein, the secondary network evaporator with heat pump is located in the secondary network regenerative apparatus, the secondary network thermo-compression evaporation
The sender property outlet on device right-hand member top is connected with the working medium entrances of the secondary network heat pump compressor left end, the secondary network heat pump
The sender property outlet of compressor right-hand member is connected with the working medium entrances of the secondary network heat pump condenser left upper part, the secondary network
The sender property outlet of heat pump condenser left end bottom sends out device right-hand member bottom by a restricting element and the secondary network steaming pump
Working medium entrances are connected.
The technical scheme provided by the utility model more than, compared with prior art, the utility model provides
Once net and secondary network system, its heating heat that can be ensured user and need are born for a kind of heating for matching low temperature well formula nuclear heat supplying pile
Lotus with the change of outdoor temperature and the moment while change, keep the constant output temperature of low temperature well formula nuclear heat supplying pile and output
Heat, effectively solve between the unadjustable property of atmospheric low-temperature well formula nuclear heat supplying pile output and the heat demand fluctuation of user
Contradiction, the further genralrlization popularization of low temperature well formula nuclear heat supplying pile is may advantageously facilitate, is of great practical significance.
Brief description of the drawings
Fig. 1 is a kind of heating for matching low temperature well formula nuclear heat supplying pile provided by the utility model once net and secondary network system
Structured flowchart；
Fig. 2 is a kind of heating for matching low temperature well formula nuclear heat supplying pile provided by the utility model once net and secondary network system
Net system of middle heating and the once attachment structure schematic diagram between net heat user；
Fig. 3 is a kind of heating for matching low temperature well formula nuclear heat supplying pile provided by the utility model once net and secondary network system
The attachment structure schematic diagram of the middle secondary net system of heating；
In figure, 2 be boiler, and 3 be low-temperature electricity-generating unit, and 4 be once net water-supply and pressure-stabling device, and 5 circulate for once net constant speed
Water pump, 6 be once net return water temperature measuring point；
101 be supply channel, and 102 be water return pipeline, and 100 be nuclear heat supplying pile, and 200 be increase heat subsystem, and 300 be to disappear
Heat dissipation quantized system, 400 be once net heating network, and 500 be once net heat user, and 51 input for once net thermal circulating water
End, 52 be once net thermal circulating water output end；
501 be secondary network heat exchanger, and 502 be secondary network regenerative apparatus, and 503 be secondary network source pump, and 504 be secondary network
Water-supply and pressure-stabling device, 505 be secondary network variable circulation water pump；
600 be secondary network heating network, and 5031 be secondary network evaporator with heat pump, and 5032 be secondary network heat pump compressor,
5033 be secondary network heat pump condenser；
700 be secondary network heat user, and 701 be secondary network thermal circulating water input, and 702 be that secondary network thermal circulating water is defeated
Go out end.
Embodiment
In order that those skilled in the art more fully understand the utility model, below in conjunction with the accompanying drawings and embodiment
The utility model is described in further detail.
Referring to Fig. 1, the utility model provides a kind of heating for matching low temperature well formula nuclear heat supplying pile once net and secondary network
System, including net system of heating and the secondary net system that heats, wherein：
Described net system of heating includes nuclear heat supplying pile 100, increase heat subsystem 200, consumption of calorie subsystem
300 and once net heating network 400；
The once net heating network 400 is used to provide recirculated water for the net system that heats once；
The nuclear heat supplying pile 100, increase heat subsystem 200 and consumption are distributed with the once net heating network 400
Heat subsystem 300, wherein：
The nuclear heat supplying pile 100, the recirculated water for being provided the once net heating network 400 carry out heat temperature raising
Processing, it is then output to the consumption of calorie subsystem 300 of increase heat subsystem 200 or described；
The increase heat subsystem 200, is connected with the nuclear heat supplying pile 100 and the once net heat user 500 respectively
Connect, the recirculated water for being sent to the nuclear heat supplying pile 100 carries out heat temperature raising processing, is then output to the heating two
Once net heat user 500 in secondary net system；
The consumption of calorie subsystem 300, it is connected respectively with the nuclear heat supplying pile 100 and the once net heat user 500
Connect, the water for being sent to the nuclear heat supplying pile 100 carries out cooling processing of consuming energy, and is then output to the heating secondary network
Once net heat user 500 in system；
The secondary net system of heating includes once net heat user 500, secondary network heating network 600 and secondary network heat and used
Family 700, wherein：
The heating secondary network system includes secondary network heating network 600, and the secondary network heating network 600 is used for for institute
State heating secondary network system and recirculated water is provided；
Once net heat user 500 and secondary network heat user 700 are distributed in the secondary network heating network 600.
In specific implementation, the nuclear heat supplying pile 100 is preferably low temperature well formula nuclear heat supplying pile.
In specific implementation, the once net heating network 400 is used to transmit for what is in the heating once net system had
The pipe network of recirculated water, including more pipelines, the recirculated water pipe network of more pipelines as shown in Figure 2 composition.
It should be noted that once net heating network 400 is also referred to as the once net that heats, refer to the nuclear heat supplying pile of central heating
Pipe network of the 100 grade heating plants to each once net heat user 500；Heat secondary network, also referred to as secondary network heating network, refers to once
The pipe network that net heat user 500 is arrived between each single building with heat unit, for exporting the recirculated water after heating to secondary network
Heat user 700, the secondary network heat user 700 are, for example, space or the heating equipment (example of default multiple user's needs heat
Such as the radiator in subscriber household room).The once net heat user 500 is preferably thermal substation, according to the position of thermal substation and
The difference of function, the types such as consumer thermal substation, area thermal substation, regional thermal substation and heat supply initial station can be divided into.
Referring to Fig. 2, in the utility model, in specific implementation, the increase heat subsystem 200 includes boiler 2, described
The circulation water inlet of the left end of boiler 2 is connected with the supply channel 101 of the nuclear heat supplying pile 100, the circulation of the right-hand member of boiler 2
Water out is connected with the once net thermal circulating water input 51 of the once net heat user 500；
The boiler 2 is used to heat to flowing into water therein；
The once net thermal circulating water output end 52 of the once net heat user 500 and the backwater of the nuclear heat supplying pile 100
Pipeline 102 is connected.
In specific implementation, the circulating water outlet of the right-hand member of boiler 2 also passes through one section of bypass line for being provided with motor-driven valve
It is connected with the supply channel 101.
Referring to Fig. 2, in the utility model, in specific implementation, the consumption of calorie subsystem 300 includes cryogenerator
Group 3, the supply channel 101 of the nuclear heat supplying pile 100 is connected with the circulation water inlet of the left end of low-temperature electricity-generating unit 3, institute
State the circulating water outlet of the right-hand member of low-temperature electricity-generating unit 3 and the once net thermal circulating water input of the once net heat user 500
51 are connected；
For the utility model, in specific implementation, the low-temperature electricity-generating unit 3, for extracting the nuclear heat supplying pile 100
The heat of the reclaimed water of supply channel 101 is simultaneously generated electricity, and the electric energy for the acquisition that generates electricity is exported (specific to the electric equipment of external user
Can be the electric equipment that any one user such as television set, refrigerator pre-sets) use (realizing generating function).
In specific implementation, the circulating water outlet of the right-hand member of low-temperature electricity-generating unit 3 also passes through one section of side for carrying motor-driven valve
Siphunculus road is connected with the supply channel 101.
In the utility model, the low-temperature electricity-generating unit 3 can be the low-temperature heat source that any one can absorb outside
The heat distributed and the device to be generated electricity.In specific implementation, such as can be that the easily logical ring in Shanxi can the scientific and technological limited public affairs of group
Department produces the Two-way Cycle low-temperature electricity-generating unit of YT series, and the low-temperature electricity-generating unit can be readily applied to 60 DEG C~150 DEG C
The effective recycling of low-temperature heat source.Certainly, in specific implementation, the low-temperature electricity-generating unit of other manufacturer productions is can also be, only
The heat that outside low temperature heat source is distributed can be absorbed and generated electricity.
It should be noted that in specific implementation, the low-temperature electricity-generating unit 3 includes evaporator, expanding machine, condenser and work
Four critical pieces such as matter pump, working medium complete organic Rankine bottoming cycle in this four parts, and specific cyclic process is：Working medium is low
Absorbed heat in the evaporator of warm generating set, turn into the working substance steam of high temperature (relatively-high temperature) high pressure, it is external subsequently into expanding machine
Expansion work, so as to drive generator cutting magnetic line to send electric energy, the steam of the low-voltage high-temperature after expanded acting enters low
Heat release is carried out in the condenser of warm generating set, is then cooled to low pressure liquid, then is returned to after working medium pump pressurizes in evaporator,
Complete a Rankine cycle.
In the utility model, the once net thermal circulating water output end 52 of the left end bottom of once net heat user 500
By one once net constant speed water circulating pump 5 be connected with the water return pipeline 102 of the nuclear heat supplying pile 100.
In specific implementation, the once net water-supply and pressure-stabling device 4 of the flow inlet of the once net constant speed water circulating pump 5 and one
It is connected.
In specific implementation, an once net return water temperature survey is additionally provided with the water return pipeline 102 of the nuclear heat supplying pile 100
Point 6, the once net return water temperature measuring point 6 are used to detect the return water temperature in the recovery pipe 102.
In the utility model, it is necessary to explanation, once net constant speed water circulating pump 5, the once net in specific implementation
Water-supply and pressure-stabling device 4, once net return water temperature measuring point 6 are all the conventional equipments in current heating network, their specific performance
The needs and the needs of user that parameter is once netted according to the heating of reality carry out selection setting.
It should be noted that for the once net that heats, it uses water as medium and leads to heat caused by nuclear heat supplying pile 100
Cross once net heating network 400 and supply once net heat user 500 (thermal substation), once changed in thermal substation etc. at net heat user 500
After heat, the Wen Duxiajiang of water is simultaneously returned at thermal source through pipe network, and heat exchange heating is carried out with three loop heat exchangers in nuclear heat supplying pile 100
After supply heat supply network, so circulation, can be by heat sustainable supply heat user caused by nuclear heat supplying pile 100.Wherein, once net constant speed
Water circulating pump 5 is to heat the water supply once netted and backwater provides circulation power, why selects constant speed water circulating pump, be in order to
Ensure that the quantity of circulating water that heat exchange is carried out with nuclear heat supplying pile 100 is constant, quantity of circulating water is constant and recirculated water passes in and out nuclear heat supplying pile
On the premise of 100 water temperature keeps constant, the constant heat output of nuclear heat supplying pile 100 can just be effectively ensured.Recirculated water is whole
Individual heat supply network flowing has water loss, by once net water-supply and pressure-stabling device 4, can be supplied with the small pump of the device toward once net
Amount of makeup water is lost in hot pipe network 400, while small pump keeps certain hydrostatic pressing for once net heating network 400, is ensured whole
Individual once net heating network 400, which does not empty, not to be vaporized, it is ensured that the normal operation of heating network.
For heat once net and secondary network system provided by the utility model, automatically controlled for convenience, specifically
In realization, in addition to a master controller, the master controller increase heat subsystem 200, the chargeable heat with described respectively
Quantized system 300 is connected with the once net return water temperature measuring point 6；
The master controller, the return water temperature obtained is detected for reading the once net return water temperature measuring point 6, when this
When return water temperature is more than default power consumption temperature (such as 58 degrees Celsius), control signal is sent to the consumption of calorie subsystem 300,
The consumption of calorie subsystem 300 is controlled to run；When the return water temperature is less than default heating-up temperature (such as 55 degrees Celsius), hair
Control signal is sent to control the increase heat subsystem 200 to run to the increase heat subsystem 200.
It should be noted that in the utility model, the default power consumption temperature and default heating-up temperature can be according to
The utility model user needs set any numerical value more than zero, but is the need to ensure that the default power consumption temperature is more than institute
State default heating-up temperature.
For the utility model, it is necessary to illustrate, between the adjacent interconnected part of any two, especially by
At least a hollow pipeline is connected.
In the utility model, in specific implementation, referring to Fig. 3, the once net heat user 500 specifically includes secondary network and changed
Hot device 501, secondary network regenerative apparatus 502, secondary network source pump 503, secondary network water-supply and pressure-stabling device 504 and secondary network speed change
Water circulating pump 505；
In specific implementation, the secondary network heating network 600 is used to transmit for what is in the heating secondary network system had
The pipe network of recirculated water, including more pipelines, the recirculated water pipe network of more pipelines as shown in Figure 3 composition.
Wherein, the once net thermal circulating water input 51 of the once net heat user 500 changes with the secondary network respectively
The circulation water inlet of the hot top right-hand member of device 501 is connected with the circulation water inlet of the left upper part of secondary network regenerative apparatus 502,
The once net thermal circulating water output end 52 circulating water outlet with the top left of secondary network heat exchanger 501 and institute respectively
The circulating water outlet for stating the left end bottom of secondary network regenerative apparatus 502 is connected；
The secondary network heat exchanger 501, for by the once net thermal circulating water input of the once net heat user 500
51 water sent carry out heat exchange with the backwater in the secondary heating pipe network 600 (to be continued to heat secondary heating pipe network
Backwater in 600, it is that the backwater in secondary heating pipe network 600 conveys heat), then pass through once net thermal circulating water output end
52 are circulated back in the water return pipeline 102 of once net heating network 400；The secondary network regenerative apparatus 502, it is described for absorbing
Once the heat for the water that the once net thermal circulating water input 51 of net heat user 500 is sent and being stored (plays
The effect of consumption of calorie), and the thermal circulating water for absorbing the water after heat and sending back the once net heat user 500 is exported
End 52.
The secondary network source pump 503 includes secondary network evaporator with heat pump 5031, the and of secondary network heat pump compressor 5032
Secondary network heat pump condenser 5033, wherein, the secondary network evaporator with heat pump 5031 is located at the secondary network regenerative apparatus 502
In, working medium (the being specially refrigerant) outlet on the right-hand member top of secondary network evaporator with heat pump 5031 and the secondary network heat pump pressure
The working medium entrances of the left end of contracting machine 5032 are connected (especially by a pipeline), the right-hand member of secondary network heat pump compressor 5032
Sender property outlet is connected with the working medium entrances of the left upper part of secondary network heat pump condenser 5033, the secondary network heat pump condensation
The sender property outlet of the left end bottom of device 5033 sends out device by a restricting element (such as motor-driven valve) and the secondary network steaming pump
The working medium entrances of 5031 right-hand member bottoms are connected.
In specific implementation, the suction hose of the right-hand member of secondary network variable circulation water pump 505 is also mended with the secondary network respectively
Water constant pressure arrangement 504, the secondary network thermal circulating water output end 702 of secondary network heat user 700 are connected.
It should be noted that the secondary network heat user 700 is specially each specific heat user, as in multiple buildings
The hot facility of use, such as radiator.
In the utility model, the circulation water inlet of the bottom of secondary network heat pump condenser 5033 respectively with it is described secondary
The circulating water outlet of the bottom right-hand member of net heat exchanger 501 is connected with the outlet pipe of the left end of secondary network variable circulation water pump 505,
The circulating water outlet at the top of the secondary network heat pump condenser 5033 follows with the bottom left end of secondary network heat exchanger 501 respectively
Ring water inlet is connected with the secondary network thermal circulating water input 701 of the secondary network heat user 700.
In the utility model, outlet pipe and the secondary network of the left end of secondary network variable circulation water pump 505 exchange heat
The circulation water inlet of the bottom right-hand member of device 501 is connected；
The secondary network source pump 503 is used to from absorption secondary network regenerative apparatus 502 absorb heat (especially by two
Working medium in secondary net evaporator with heat pump 5031 is evaporated the heat outside absorbing), then to being followed from the secondary network speed change
The water of outlet pipe output and the once net thermal circulating water input 51 of the once net heat user 500 of ring water pump 505 transmit
After the water to come over continues heating, then export to the secondary network heat user 700；
Correspondingly, the secondary network heat exchanger 501, it is additionally operable to that the outlet pipe of the variable circulation water pump 505 will be come from
Water and come from after the water after the secondary network source pump 503 heats mixed and exchanged heat, then be output to secondary network heat
Power recirculated water input 701, then passes to secondary network heat user 700.
It should be noted that as described above, the once net thermal circulating water output end 52 of the once net heat user 500
It is connected with the water return pipeline 102 of the nuclear heat supplying pile 100, so as to realize recycling for once net water supply.
In the utility model, the secondary network heat exchanger 501 is the heat exchanger of water and water, more using plate-type heat-exchange
Device, the heat entrained by once net recirculated water is passed to two in a manner of indirect heat exchange being undertaken in Tthe utility model system
Secondary net recirculated water, secondary network recirculated water bring these heats to specific secondary network heat user again.It is described in the utility model
Secondary network regenerative apparatus 502 is less than using simple hot water sensible heat accumulation of heat in secondary network heat user 700 with thermic load
During the caloric value of nuclear heat supplying pile 100, the elevated phenomenon of return water temperature of secondary network heating network 600 is presented in system, now passes through
Secondary network regenerative apparatus 502, the water that the thermal circulating water input 51 of the once net heat user 500 can be sent
Heat is simultaneously stored and (plays a part of consumption of calorie)；When secondary network heat user with thermic load when being risen, secondary network is used
Source pump 503 absorbs the heat in secondary network regenerative apparatus 502, after the upgrading of secondary network source pump 503 supplies two
Secondary net heating network 600.Because secondary network heat user 700 is all being fluctuated all the time with thermic load in whole Heating Season, two
The effect of secondary net regenerative apparatus 502 is surplus heat when storing heating daily load low ebb.
In specific implementation, the secondary network regenerative apparatus 502 can be preferably specifically hot water basin or hot water cistern.
Because the hot water temperature in secondary network regenerative apparatus 502 is relatively low, the effect of secondary network source pump 503 is to store
In extracting and sending back in the backwater in secondary network heating network wherein, the fluctuation of balance heating daily load.
In addition, secondary network recirculated water has water loss in the flowing of whole heat supply network, secondary network water-supply and pressure-stabling device 504 is used should
The small pump of device loses toward amount of makeup water in pipe network, while small pump is that pipeline keeps certain hydrostatic pressing, ensures whole pipe
Net is not emptied, not vaporized, it is ensured that the normal operation of pipe network.
Secondary network variable circulation pump 505 is to provide circulation power for secondary network heating network 600, ensures secondary network heating tube
The heat drawn in secondary network heat exchanger 501 is sent to two connected on secondary network heating network 600 by the cycle water energy in net 600
Secondary net heat user 700 (i.e. each specific heat user, such as the hot facility of use in building, such as radiator), and secondary network is supplied
Backwater in hot pipe network 600 takes back secondary network heat exchanger 501.
In the utility model, secondary network source pump 503 is compressed by secondary network evaporator with heat pump 5031, secondary network heat pump
Machine 5032, secondary network heat pump condenser 5033, restricting element are formed, and secondary network evaporator with heat pump 5031 is placed in secondary network accumulation of heat dress
In putting 502, the heat that working medium is drawn in secondary network evaporator with heat pump 5031 in secondary network regenerative apparatus 502 becomes high-temperature low-pressure
Steam, the steam that HTHP is compressed into through secondary network heat pump compressor 5032 enters secondary network heat pump condenser 5033；By
One branch line of secondary network backwater that secondary network variable circulation pump 505 exports enters secondary network heat exchanger 501, another branched pipe
Road enters secondary network heat pump condenser 5031, this part backwater and the HTHP working medium for entering secondary network heat pump condenser 5033
Heat exchange is carried out, working medium heat release turns into cryogenic high pressure liquid, and secondary network thermo-compression evaporation is returned to as low temperature and low pressure steam through throttling
Device 5031, backwater endothermic temperature rise in secondary network heat pump condenser 5033 of secondary network, with entering secondary network heat exchanger 501
It is back-flowing and branched converge, improve the supply water temperature in secondary network heating network 600 and be sent in secondary network heating network 600.
Due to 503 efficient thermal-arrest of secondary network source pump and heat transfer, the heat stored in secondary network regenerative apparatus 502 is heating
It during daily load peak, will again add in secondary network heating network 600, and balance the constant of nuclear heat source (i.e. nuclear heat supplying pile 100)
Difference between output and heating daily load fluctuating.
It should be noted that in view of the unadjustable property of low temperature well formula nuclear heat supplying pile, for the utility model, in order to realize
Using the low temperature well formula nuclear heat supplying pile thermal source normally opened as Heating Season, to undertake the purpose of the basic load of city thermal pipe network, if
Count a set of matching once net and secondary network system.Increase water supply heat and consumption water supply heat are used once online
The technical measures of amount, balance once net heat user 500 with heat demand in whole Heating Season different phase, daily different periods
With fluctuation caused by temperature Change, meanwhile, also using the skill of increase water supply heat and consumption water supply heat on secondary network
Art measure (such as source pump and secondary network regenerative apparatus), further balance once net heat user 500 uses heat demand (i.e. core
The heating demand of process heat reactor 100) daily with the fluctuation of temperature, so as to keep the constant supply and return water temperature of nuclear heat supplying pile 100 and defeated
Go out power, it is ensured that low temperature well formula nuclear heat supplying pile can be run to economic security.
For the utility model, it is necessary to which explanation, it sets respectively on the supply channel 101 of the nuclear heat supplying pile 100
Increase heat subsystem 200 and consumption of calorie subsystem 300 are put, and opens and connects in the different phase of warm season and connect accordingly
Connect road.
In the colder stage, when outside air temperature declines, once net heat user 500 is increased over core with heat demand and supplied
During the heat energy that thermal reactor 100 can be provided, at this moment, nuclear heat supplying pile 100 is maintained at full-gear, thinks heating of the present utility model
Once net and secondary network system provide basic load, and open the boiler in increase heat subsystem 200 as peaking boiler, rise
To the effect for increasing heat supply output for whole heating system, meet once net heat user 500 uses heat demand in whole warm season
Interim fluctuation；Simultaneously when nuclear heat supplying pile 100 breaks down, the boiler in increase heat subsystem 200 can also be used as standby
Thermal source, now boiler the thermic load of part can be provided for heat supply network.
In the warmer stage, when outside air temperature raises, once net heat user 500 is decreased below core with heat demand
During the heat energy that process heat reactor 100 can be provided, the low-temperature electricity-generating unit in consumption of calorie subsystem 300 starts, and consumes nuclear heat supplying pile
100 waste heats exported, it is translated into flexible electric energy and supplies electric user, play a part of the load that disappears.
Illustrate the technical solution of the utility model with reference to specific embodiment.
Embodiment 1.When outside air temperature drops to below a certain lower temperature, once net heat user 500 uses heat demand
(i.e. the heating demand of nuclear heat supplying pile 100) rises above the heat energy output quantity of nuclear heat supplying pile 100, at this time, opens increase heat
Boiler in quantized system 200 plays a part of increasing heat supply output for whole heating system, met once as peaking boiler
Net heat user 500 uses heat demand；
In specific implementation, a motor-driven valve is respectively arranged with the entrance and bypass line of the boiler 2, the two are electronic
Valve linkage adjustment open degree.
In specific implementation, a return water temperature measuring point 6, institute are additionally provided with the water return pipeline 102 of the nuclear heat supplying pile 100
Return water temperature measuring point 6 is stated to be used to detect the backwater water temperature in the recovery pipe 102, the entrance and bypass line of the boiler 2
The upper motor-driven valve set respectively can detect the return water temperature obtained by the use of return water temperature measuring point 6 and adjust signal as open degree.
For the utility model, when once net heat user 500 is with heat demand (i.e. the heating demand of nuclear heat supplying pile 100)
When rising, the return water temperature caused in water return pipeline 102 is declined, now needs to increase the unlatching of the motor-driven valve at boiler inlet
Degree, correspondingly reduce the open degree of motor-driven valve on bypass line, but the total flow being to maintain on supply channel 101 is constant, passes through
After boiler heating, the supply water temperature of supply channel 101 rises, replenishment system shortage of heat；
On the contrary, when once use heat demand (i.e. the heating demand of the nuclear heat supplying pile 100) decline of net heat user 500, will lead
Cause the return water temperature in water return pipeline 102 to rise, now need to reduce the open degree of the motor-driven valve at boiler inlet, so as to reduce
The quantity of heat production of boiler, correspondingly increase the open degree of motor-driven valve on bypass line so that the total flow on supply channel 101 is still tieed up
Hold constant, now, the supply water temperature of supply channel 101 declines.
Embodiment 2.When outside air temperature is higher, once use heat demand (the i.e. confession of nuclear heat supplying pile 100 of net heat user 500
Thermic load) it is less than the quantity of heat given up of nuclear heat supplying pile 100, at this time, open consumption of calorie subsystem 300.
Once the change with heat demand (i.e. the heating demand of nuclear heat supplying pile 100) of net heat user 500 is finally embodied in back
The change of coolant-temperature gage, when outside air temperature rises, and causes the heating demand of nuclear heat supplying pile 100 to decline, now in water return pipeline 102
Return water temperature rise, when return water temperature measuring point 6 detect the return water temperature that obtains exceed it is default consume energy temperature when, then, open
Dynamic low-temperature electricity-generating unit 3 consumes waste heat so that the supply water temperature once netted declines, and changes low-temperature electricity-generating unit by linking
3 motor-driven valve and the open degree of bypass motor-driven valve, keep the total flow on supply channel 101 constant.
In addition, the utility model is also arranged also on secondary network using the technology of increase water supply heat and consumption water supply heat
Apply (such as source pump and secondary network regenerative apparatus), further balance secondary network heat user 500 with heat demand daily with gas
The fluctuation of temperature, so as to keep nuclear heat supplying pile 100 constant supply and return water temperature and quantity of circulating water, and then keep power output, it is ensured that
Low temperature well formula nuclear heat supplying pile can be run to economic security；
For the utility model, once nuclear heat supplying pile 100 breaks down, the inlet and outlet of nuclear heat supplying pile 100 can be cut off, are opened
Bypass is opened, now boiler is as standby thermal source, there is provided heat once net and the part heating demand of secondary network system, to ensure
The safety of heating network.
Compared with prior art, a kind of heating once net for matching low temperature well formula nuclear heat supplying pile provided by the utility model
With secondary network system, there is following technique effect：
1st, in heating, once net and the supply channel initiating terminal of secondary network system set increase heat subsystem 200 and consumption
Heat subsystem 300, increase or subtract caused by outside air temperature changes to balance once the heating demand of net heat user 500, from
And keep keeping constant from the total amount of heat of the output of nuclear heat supplying pile 100 and water supply, return water temperature, without change, the utility model carries
The system matches of confession carry out the operation characteristic of heat supply in low temperature well formula nuclear heat supplying pile so that low temperature well formula nuclear heat supplying pile carries out heat supply
Mode can promote the use to the heating field in city；
2nd, the utility model uses constant speed water circulating pump, to keep the quantity of circulating water of nuclear heat supplying pile 100 invariable, to return
The return water temperature of water lines is reached as benchmark by adjusting increase heat subsystem 200 and the operation of consumption of calorie subsystem 300
To the purpose for changing the supply water temperature provided to once net heat user 500, the matter regulative mode of heat supply once net constant flow is realized.
And the coolant-temperature gage of the import and export of nuclear heat supplying pile 100 keeps constant, therefore under constant quantity of circulating water and supply and return water temperature, can protect
Card nuclear heat supplying pile 100 has constant quantity of heat given up；
3rd, boiler provided by the utility model can play the Peak Load Adjustment of increase heating load, be used as nuclear heat supplying pile 100 again
Standby heat source, the overall heat supply for heat once net and secondary network system provides safeguard safely；Simultaneously as once net is set
Low-temperature electricity-generating unit and the cooperation of secondary network regenerative apparatus and secondary network source pump that sets of secondary network, can solve
Certainly the heat energy supply of nuclear heat supplying pile and the contradiction with heat demand mismatch of secondary network heat user 700, greatly improve nuclear heat supplying pile and carry
The utilization rate of the low temperature nuclear heat of confession, and ensured the stability and security of nuclear heat supplying pile；
4th, for the utility model, increase heat subsystem 200 and consumption of calorie subsystem 300 are arranged at core and supplied by it
The supply channel initiating terminal of thermal reactor 100, that is, it is arranged in the nuclear heat well thermal source station for being provided with nuclear heat supplying pile 100, so not only just
In preferably concentration regulation and control, and pipe network main is concentrated on, the initial cost and operation and maintenance cost of heating system can be reduced；Together
When, in the once online technical measures using increase water supply heat and consumption water supply heat, once net heat user can be balanced
500 use heat demand fluctuates in whole Heating Season different phase with caused by temperature Change, in addition, the utility model is also two
It is secondary online also using increase water supply heat and technical measures (such as secondary network source pump and the secondary network of consumption water supply heat
Regenerative apparatus), the fluctuation with the daily different periods of heat demand with temperature of secondary network heat user 700 is further balanced, so as to protect
Hold the constant supply and return water temperature of nuclear heat supplying pile 100 and power output, it is ensured that low temperature well formula nuclear heat supplying pile can be transported to economic security
OK；
5th, heating provided by the utility model once net and secondary network system according to the spy of atmospheric low-temperature well formula nuclear heat supplying pile
Point, realize that nuclear heat supplying pile as single or basic thermal source and the Proper Match of existing municipal heating systems, makes nuclear heat supplying pile with its technology
Security, good economy substitutes traditional coal-burning boiler, be a control pollution sources, administer the crucial skill of atmospheric environment
Art；
6th, once net and secondary network system can keep water supply and the backwater of nuclear heat supplying pile 100 for heating provided by the utility model
Temperature is respectively the steady state value of 92 DEG C and 55 DEG C, and the water quantity holding of global cycle is constant, thus the quantity of heat given up of nuclear heat supplying pile 100 is protected
Hold constant so that nuclear heat supplying pile is in full load output state all the time in Heating Season, and it is inexpensive, low to play nuclear fuel to greatest extent
The advantage of the low operating cost of warm process heat reactor, to alleviate China's energy shortage, environment protection plays a positive role.
In summary, compared with prior art, it is provided by the utility model a kind of to match low temperature well formula nuclear heat supplying pile
Heating once net and secondary network system, it can ensure space heating load that user needs with the change of outdoor temperature and the moment exists
While change, low temperature well formula nuclear heat supplying pile constant output temperature and quantity of heat given up are kept, effectively solves atmospheric low-temperature well formula
Contradiction between the unadjustable property of nuclear heat supplying pile output and the heat demand fluctuation of user, may advantageously facilitate low temperature well formula core
The further genralrlization popularization of process heat reactor, is of great practical significance.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of heating once net and secondary network system for matching low temperature well formula nuclear heat supplying pile, it is characterised in that including heating one
Secondary net system and the secondary net system that heats, wherein：
Described net system of heating includes nuclear heat supplying pile (100), increase heat subsystem (200), consumption of calorie subsystem
(300) and once net heating network (400)；
The once net heating network (400) is used to provide recirculated water for the net system that heats once；
The nuclear heat supplying pile (100), increase heat subsystem (200) are distributed with the once net heating network (400) and disappears
Heat dissipation quantized system (300), wherein：
The nuclear heat supplying pile (100), the recirculated water for being provided the once net heating network (400) carry out heat temperature raising
Processing, it is then output to the increase heat subsystem (200) or the consumption of calorie subsystem (300)；
It is described increase heat subsystem (200), respectively with the nuclear heat supplying pile (100) and once net heat user (500) phase
Connection, the recirculated water for being sent to the nuclear heat supplying pile (100) carry out heat temperature raising processing, are then output to the confession
Once net heat user (500) in warm secondary network system；
The consumption of calorie subsystem (300), respectively with the nuclear heat supplying pile (100) and once net heat user (500) phase
Connection, the water for being sent to the nuclear heat supplying pile (100) carry out cooling processing of consuming energy, and are then output to the heating two
Once net heat user (500) in secondary net system；
The secondary net system of heating includes once net heat user (500), secondary network heating network (600) and secondary network heat and used
Family (700), wherein：
The heating secondary network system includes secondary network heating network (600), and the secondary network heating network (600) is used for for institute
State heating secondary network system and recirculated water is provided；
Once net heat user (500) and secondary network heat user (700) are distributed in the secondary network heating network (600).
2. once net and the secondary network system as claimed in claim 1 of heating, it is characterised in that the increase heat subsystem
(200) boiler (2), the circulation water inlet of boiler (2) left end and the supply channel of the nuclear heat supplying pile (100) are included
(101) it is connected, the circulating water outlet and the once net heating power of the once net heat user (500) of boiler (2) right-hand member follow
Ring water input (51) is connected；
The once net thermal circulating water output end (52) of the once net heat user (500) is returned with the nuclear heat supplying pile (100)
Water lines (102) are connected；
The circulating water outlet of boiler (2) right-hand member also passes through one section of bypass line for being provided with motor-driven valve and the feed pipe
Road (101) is connected.
3. once net and the secondary network system as claimed in claim 2 of heating, it is characterised in that the consumption of calorie subsystem
(300) low-temperature electricity-generating unit (3), supply channel (101) and the low-temperature electricity-generating unit of the nuclear heat supplying pile (100) are included
(3) the circulation water inlet of left end is connected, and the circulating water outlet of low-temperature electricity-generating unit (3) right-hand member is used with the once net heat
The once net thermal circulating water input (51) at family (500) is connected.
4. once net and the secondary network system as claimed in claim 3 of heating, it is characterised in that the once net heat user
(500) the once net thermal circulating water output end (52) of left end bottom by one once net constant speed water circulating pump (5) with it is described
The water return pipeline (102) of nuclear heat supplying pile (100) is connected；
The flow inlet of the once net constant speed water circulating pump (5) with one once net water-supply and pressure-stabling device (4) be connected.
5. once net and the secondary network system as claimed in claim 4 of heating, it is characterised in that the nuclear heat supplying pile (100)
Once net return water temperature measuring point (6) are additionally provided with water return pipeline (102), the once net return water temperature measuring point (6) is used
Return water temperature in the detection recovery pipe (102).
6. heating as any one of claim 1 to 5 once net and secondary network system, it is characterised in that also including one
Individual master controller, the master controller increase heat subsystem (200), the consumption of calorie subsystem (300) with described respectively
It is connected with the once net return water temperature measuring point (6)；
The master controller, the return water temperature obtained is detected for reading the once net return water temperature measuring point (6), when this time
When coolant-temperature gage is more than default power consumption temperature, control signal is sent to the consumption of calorie subsystem (300), controls the chargeable heat
Quantized system (300) is run；When the return water temperature is less than default heating-up temperature, control signal is sent to increase heat
System (200), control increase heat subsystem (200) operation.
7. heat once net and secondary network system as claimed in claim 2 or claim 3, it is characterised in that the once net heat user
(500) secondary network heat exchanger (501), secondary network regenerative apparatus (502), secondary network source pump (503), secondary network moisturizing are included
Constant pressure arrangement (504) and secondary network variable circulation water pump (505)；
The once net thermal circulating water input (51) of the once net heat user (500) respectively with the secondary network heat exchanger
(501) the circulation water inlet of top right-hand member is connected with the circulation water inlet of secondary network regenerative apparatus (502) left upper part
It is logical, the once net thermal circulating water output end (52) recirculated water with secondary network heat exchanger (501) top left respectively
Outlet is connected with the circulating water outlet of secondary network regenerative apparatus (502) the left end bottom；
The outlet pipe of secondary network variable circulation water pump (505) left end and secondary network heat exchanger (501) bottom right-hand member
Circulation water inlet is connected；
The secondary network heat exchanger (501), for will described in once net heat user (500) once net thermal circulating water input
(51) water sent carries out heat exchange with the backwater in the secondary heating pipe network (600), then passes through once net heating power
Recirculated water output end (52) is circulated back to once in the water return pipeline (102) of net heating network (400)；
The secondary network regenerative apparatus (502), the once net thermal circulating water for absorbing the once net heat user (500) are defeated
Enter the heat for the water that end (51) is sent and stored, and the water after absorption heat is sent back into the once net heat and used
The thermal circulating water output end (52) at family (500)；
The secondary network source pump (503) is used to absorb heat in secondary network regenerative apparatus (502) from absorbing, then to from
The water of the outlet pipe output of secondary network variable circulation water pump (505) left end and the once net heat user (500) are once
After the water that net thermal circulating water input (51) is sent continues heating, then export to the secondary network heat user
(700)。
8. once net and the secondary network system as claimed in claim 7 of heating, it is characterised in that the once net heat user
(500) secondary network water-supply and pressure-stabling device (504) is also included；
The suction hose of secondary network variable circulation water pump (505) right-hand member also respectively with the secondary network water-supply and pressure-stabling device
(504), the secondary network thermal circulating water output end (702) of secondary network heat user (700) is connected.
9. once net and the secondary network system as claimed in claim 7 of heating, it is characterised in that the secondary network heat exchanger
(501), it is additionally operable to that the water of the outlet pipe of the variable circulation water pump (505) will be come from and comes from the secondary network heat pump machine
After water after group (503) heating is mixed and exchanged heat, then it is output to secondary network thermal circulating water input (701), Ran Houchuan
Deliver to secondary network heat user (700).
10. once net and the secondary network system as claimed in claim 7 of heating, it is characterised in that the secondary network source pump
(503) secondary network evaporator with heat pump (5031), secondary network heat pump compressor (5032) and secondary network heat pump condenser are included
(5033)；
Wherein, (5031 are located in the secondary network regenerative apparatus (502) the secondary network evaporator with heat pump, the secondary network heat
The working medium entrances phase of the sender property outlet on pump evaporator (5031) right-hand member top and secondary network heat pump compressor (5032) left end
Connection, the sender property outlet of secondary network heat pump compressor (5032) right-hand member and secondary network heat pump condenser (5033) left end
The working medium entrances on top are connected, and the sender property outlet of secondary network heat pump condenser (5033) the left end bottom passes through a throttling
Element is connected with the working medium entrances of secondary network steaming pump hair device (5031) right-hand member bottom.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720489304.8U CN206959107U (en) | 2017-05-05 | 2017-05-05 | A kind of heating once net and secondary network system for matching low temperature well formula nuclear heat supplying pile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720489304.8U CN206959107U (en) | 2017-05-05 | 2017-05-05 | A kind of heating once net and secondary network system for matching low temperature well formula nuclear heat supplying pile |
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| Publication Number | Publication Date |
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| CN206959107U true CN206959107U (en) | 2018-02-02 |
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ID=61374339
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907755A (en) * | 2017-05-05 | 2017-06-30 | 天津商业大学 | A kind of heating once net and secondary network system for matching low temperature well formula nuclear heat supplying pile |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907755A (en) * | 2017-05-05 | 2017-06-30 | 天津商业大学 | A kind of heating once net and secondary network system for matching low temperature well formula nuclear heat supplying pile |
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