CN207365150U - A kind of family's heat supply network active heat-exchange system in central heating system - Google Patents
A kind of family's heat supply network active heat-exchange system in central heating system Download PDFInfo
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- CN207365150U CN207365150U CN201721177860.8U CN201721177860U CN207365150U CN 207365150 U CN207365150 U CN 207365150U CN 201721177860 U CN201721177860 U CN 201721177860U CN 207365150 U CN207365150 U CN 207365150U
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Abstract
The utility model discloses the active heat-exchange system of family's heat supply network in a kind of central heating system, including three circulations, primary water circulates central heating network, two level water circulates the kind of refrigeration cycle of user's heat supply network and jet type heat pump, central heating network hot water is carried out staged cooling and utilized by jet type heat pump, heat is transferred to by user end radiator by cooling cycle system and primary, two level water passage circulation system by injector.Tthe utility model system contains the injector kind of refrigeration cycle for possessing heat exchanger.This jet type heat pump technology is simple, cheap and reliable, and mechanism should be readily appreciated that.It is particluarly suitable for the application of family's heat supply network, can realize the active heat transfer supplied water from low temperature primary backwater to two level high temperature.The utility model technology will substantially reduce the energy expenditure of water system transmission ＆ distribution.The energy consumption of the water pump brought due to increased 10 15 DEG C of temperature drops is saved and estimated about 50 60%.Due to the lower heat waste of central heating network, we can expect to obtain the energy-saving effect of bigger.
Description
Technical field
A kind of active enhanced heat exchange system suitable for family's heat supply network is the utility model is related to, particularly a kind of concentrate supplies
The active heat-exchange system of family's heat supply network in hot systems.
Background technology
According to the data of Ministry of Energy, the 30-40% of total energy consumption is heat supply, ventilation and illumination for building.
In these energy consumptions, accounting example maximum is the heat demand built.Nowadays, 60% domestic heat derives from central heating
And cogeneration plant.Therefore, efficient central heating system is of great significance in terms of energy saving and greenhouse gas emission.
At present, in central heating system of today, annual confession, most of the fluctuation range of return water temperature are in 75-100 DEG C and 40-
50℃(Frederiksen and Werner,2013).According to the investigation of Frederiksen and Werner (2013),
By reducing by 10 DEG C of return water temperature, there are about the annual cost of the central heating system of 7-10% can be conserved.And city
Heating heat demand steeply rise so that the requirement to heating area also increases substantially, in this case, can take
The mode for overlaying a pipe network more solves, and it is to be relatively easy to that this part heat load, which solves,.But in original heating area zero
The increased thermic load of star by two level thermal substation nearby because not on a large scale, can only be born, may result in original heating network
Heat supply deficiency.This is because in order to ensure heating quality, the supply water temperature once netted must be constant.Increasing heating load can only
Realized by varying the circulating water flow once netted and the return water temperature once netted.The performance of secondary station heating power device determines one
The backwater temperature difference of secondary net, and to be also all oneself complete heat-net-pipeline through being laid with, especially once net main pipe, in set pipe network
It is difficult to be further added by once net quantity of circulating water under diameter.So to increase the hot supply once netted will only lay
Pipe network is laid with and improves two methods of secondary station heat exchanger heat exchange property again.The laying of heating network generally belongs to municipal item
Mesh, not only quantities is huge but also is not the permanent method solved the problems, such as.
Utility model content
In order to solve the problems, such as deficiency of the prior art and its exist, the utility model provides a kind of central heating system
In the active heat-exchange system of family's heat supply network, solve in the prior art central heating system thermal energy Quality degree of effective utilization it is low, improve
The problem of heating performance is of high cost.
The technical solution of the utility model is as follows：A kind of family's heat supply network active heat-exchange system in central heating system,
Including three circulations, primary water circulation central heating network, two level water circulates user's heat supply network and the refrigeration of jet type heat pump is followed
Central heating network hot water is carried out staged cooling and utilized by ring, jet type heat pump, is followed heat by refrigeration by injector
Loop system and primary, two level water passage circulation system, are transferred to user end radiator.
By each device in pipe connection system, the primary water circulation central heating network includes：Heat supply network supplies water first
First connect generator, generator water route port of export connection water water heat exchanger, water water heat exchanger outlet connection evaporator water route
Import, the outlet of evaporator water route connect heat supply network backwater end；Two level water circulation user's heat supply network includes：Water in Condenser way outlet connects
Water water heat exchanger, water water heat exchanger are followed by user end radiator, the connection condenser water route import of radiator water way outlet；
The kind of refrigeration cycle of the jet type heat pump includes：Injector outlet connects condenser inlet, is divided into two-way after condenser, passes through all the way
Working medium circulating pump enters generator, generator exports end connection injector working fluid port, and another way flows through throttle valve entrance
Evaporator, evaporator outlet end connection injector driving fluid port.
Primary water circulation central heating network and two level water circulation user's heat network system is equipped with flow control valve.
The beneficial effects of the utility model are：Present thermal substation technology is to be realized by passive type heat exchanger from first
Level municipal heating systems exchange heat to local user's heat supply network.Then the return water temperature of thermal substation depends on the return water temperature of radiator, and
The warm water temperature of radiator is then constrained to the air themperature of heated room space.Due to such limitation, each heating power
The return water temperature stood is difficult to be lowered to 30 DEG C of below.Tthe utility model system contains the injector system for possessing heat exchanger
SAPMAC method.This jet type heat pump technology is simple, cheap and reliable, and mechanism should be readily appreciated that.It is particluarly suitable for
The application of family's heat supply network, can realize the active heat transfer supplied water from low temperature primary backwater to two level high temperature.Heat from water at low temperature to
Heat transfer as high-temperature water, is to be driven by the heat of central heating network by jet type heat pump, and this drives
Dynamic heat was delivered to the circulation of two level water and is used for room heat supply later.Technique is suitable for the family using central heating system
Heat supply network, especially with the family of flooring radiation space heating the most.Its immediate interest is that it increases central heating network
Operating temperature drop (Δ t), therefore reduce the water circulation mass flow amount of requirement.This technology will substantially reduce water system transmission ＆ distribution
Energy expenditure.The energy consumption of the water pump brought due to increased 10-15 DEG C of temperature drop is saved and estimated in about 50-60%.Due to
The lower heat waste of central heating network, we can expect to obtain the energy-saving effect of bigger.It is further energy saving to be included in flue gas
More recuperations of heat of condenser etc..Same technology can also be used for branch line thermal substation to reduce the backwater temperature of large area heat supply network
Degree.Except energy saving, due to requirement lower in terms of insulation, the investment of central heating network can reduce.Due to increased heat supply
Ability, under conditions of big temperature drop Δ t, existing central heating network can cover the confession thermal region of bigger, this is the skill again
Where another advantage of art.
Brief description of the drawings
Fig. 1 is the active heat-exchange system schematic diagram of family's heat supply network in the central heating system of the utility model；
Wherein：1-generator；2-water water heat exchanger；3-evaporator；4-- injectors；5-condenser；6-heat dissipation
Device；7-working medium pump；8-throttle valve；9-first flow regulating valve；10-second flow regulating valve；9-1-2-3 circulates for heat supply network
Circuit；2-10-6-5 is user's circulation loop；Remaining is jet type heat pump working medium circulation circuit.
Embodiment
Elaborate below in conjunction with the accompanying drawings to the utility model.
Attached drawing 1 illustrates the principle of design.Tradition heat with the space heating system for possessing the liquid circulation being indirectly connected with
Power station is compared, and the design of new therrmodynamic system also has a heat exchanger 2, while adds a jet type heat pump.Whole heating power
Standing includes the refrigeration of three circulations, primary water circulation central heating network, two level water circulation user's heat supply network and jet type heat pump
Circulation.The generator 1 of hot water and jet type heat pump from primary heating network carries out heat exchange first, experienced generator
In heat exchange after, the temperature of primary hot water will decline 20-30 DEG C.Then primary hot water heats in heat exchanger 2 with being used for
The two level water circulation of user terminal radiator carries out further heat exchange, and the temperature drop of water further reduces 20-30 DEG C.It is last first
Level hot water carries out heat exchange in the evaporator 3 of jet type heat pump, further 15-20 DEG C of cooling.Passing through generator 1, heat exchange
After device 2, and the cooling of evaporator 3, the return water temperature that primary hot water returns to central heating network will be reduced to 15-20 DEG C, this will
It is 10-15 DEG C also lower than the backwater minimum temperature at conventional heat station.The two level water of user's heat supply network cycles through jet type heat pump
Condenser 5 and heat exchanger 2 obtain heat.The heat obtained from condenser is to obtain hot summation from generator 1 and evaporator 3.
Therefore, it is all without heat waste to be transferred to domestic consumer from the primary heat release supplied water of central heating network.However, two level is hot
The Δ t of power station heating network adds 10-15 DEG C.
Although the utility model is described above in conjunction with attached drawing, the utility model is not limited to above-mentioned
Concrete function and the course of work, above-mentioned embodiment is only schematical, be not it is restricted, this area it is general
Logical technical staff is not departing from the utility model aims and scope of the claimed protection feelings under the enlightenment of the utility model
Under condition, many forms can also be made, these are belonged within the scope of protection of the utility model.
Claims (3)
1. the active heat-exchange system of family's heat supply network in a kind of central heating system, it is characterised in that primary including three circulations
Water circulates the kind of refrigeration cycle of central heating network, two level water circulation user's heat supply network and jet type heat pump, and jet type heat pump will collect
Middle heating network hot water carries out staged cooling and utilizes, and heat is passed through cooling cycle system and primary, two level by injector
Water passage circulation system, is transferred to user end radiator.
2. the active heat-exchange system of family's heat supply network in central heating system according to claim 1, it is characterised in that pass through
Each device in pipe connection system, the primary water circulation central heating network include：Heat supply network supplies water and connects generator first,
Generator water route port of export connection water water heat exchanger, water water heat exchanger outlet connection evaporator water route import, evaporator water
Way outlet connects heat supply network backwater end；Two level water circulation user's heat supply network includes：Water in Condenser way outlet connects water water heat exchanger,
Water water heat exchanger is followed by user end radiator, the connection condenser water route import of radiator water way outlet；The injecting type heat
The kind of refrigeration cycle of pump includes：Injector outlet connection condenser inlet, is divided into two-way after condenser, all the way through working medium circulating pump into
Enter generator, generator exports end connection injector working fluid port, another way flows through throttle valve and enters evaporator, evaporator
Port of export connection injector driving fluid port.
3. the active heat-exchange system of family's heat supply network in central heating system according to claim 1, it is characterised in that described
Primary water circulates central heating network and two level water circulation user's heat network system is equipped with flow control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721177860.8U CN207365150U (en) | 2017-09-14 | 2017-09-14 | A kind of family's heat supply network active heat-exchange system in central heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721177860.8U CN207365150U (en) | 2017-09-14 | 2017-09-14 | A kind of family's heat supply network active heat-exchange system in central heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207365150U true CN207365150U (en) | 2018-05-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721177860.8U Expired - Fee Related CN207365150U (en) | 2017-09-14 | 2017-09-14 | A kind of family's heat supply network active heat-exchange system in central heating system |
Country Status (1)
| Country | Link |
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| CN (1) | CN207365150U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559926A (en) * | 2017-09-14 | 2018-01-09 | 天津大学 | A kind of family's heat supply network active heat-exchange system in central heating system |
-
2017
- 2017-09-14 CN CN201721177860.8U patent/CN207365150U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559926A (en) * | 2017-09-14 | 2018-01-09 | 天津大学 | A kind of family's heat supply network active heat-exchange system in central heating system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 Termination date: 20180914 |
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| CF01 | Termination of patent right due to non-payment of annual fee |