CN205678752U - A kind of central heating system of multi-heat source heating - Google Patents
A kind of central heating system of multi-heat source heating Download PDFInfo
- Publication number
- CN205678752U CN205678752U CN201620601715.7U CN201620601715U CN205678752U CN 205678752 U CN205678752 U CN 205678752U CN 201620601715 U CN201620601715 U CN 201620601715U CN 205678752 U CN205678752 U CN 205678752U
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- China
- Prior art keywords
- heat
- water return
- control valve
- pipeline
- flow control
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Abstract
The utility model discloses the central heating system of a kind of multi-heat source heating, including the main heat exchanger connecting with first-level pipeline network supply channel and first-level pipeline network water return pipeline；It is that heat user supplies water that described main heat exchanger is also communicated with secondary network supply channel, arranges secondary network water return pipeline and its other end connects with described main heat exchanger, form circulation line at heat user；It is provided with auxiliary thermal source unit and circulating pump group on described secondary network water return pipeline.The utility model is by arranging main heat exchanger; avoid first-level pipeline network supply channel directly for heat user heating; secondary network supply channel is made to be heat user heating; and auxiliary thermal source unit is set on secondary network water return pipeline; take full advantage of renewable resource; reduce nonrenewable resources must use, protect environment, for thermal balance.
Description
Technical field
The utility model relates to multi-heat source heating field, particularly relates to the central heating system of a kind of multi-heat source heating.
Background technology
With social technology progress and expanding economy, central heating pipe network quickly grows, and provides for vast heating user
Cosy living environment.Current central heating mainly (is united below by power plant or the large-scale thermal substation of cogeneration of heat and power
It is referred to as one-level thermal substation) primary fluid (steam or high-temperature water) is provided, heating agent carries out heat at two grades of thermal substations and secondary pipe network
One-level thermal substation is returned after exchange heat release.The variety of energy sources that pipe network circulating water heating is mainly consumed by one-level thermal substation is
Coal.
The non-regeneration energies such as coal, oil, natural gas are all from the accumulation of 1 years solar energy, it is impossible to recycle；?
In past 100 years, China consumes 142,000,000,000 tons of oil and 265,000,000,000 tons of coals, consumes the oil and more than 60% in the world 56%
Natural gas.The data of " BP world energy sources statistics 2007 " show, Global Oil reserves are available for producing 40 years, natural gas and coal
Charcoal then can be supplied 65 years and 162 years respectively.The renewable sources of energy include solar energy, waterpower, wind-force, biomass energy, wave energy, tide
Energy, ocean thermal energy etc., they can be with circular regeneration at nature.And regenerative resource has the advantage that
1st, compared with the non-regeneration energies such as coal, can be inexhaustible, there is not scarcity of resources, in price
Rise.
2nd, some regenerative resource (such as wind energy, waterpower, solar energy) will not emission greenhouse gas, greenhouse effects will not be increased
Risk.
3rd, promote the energy safety of supply, reduce the dependence to import fossil energy, pursue the demand of the sustainability energy.
Utility model content
The purpose of this utility model is to provide the central heating system of a kind of multi-heat source heating, and the problem of solution is as follows:
1st, tradition heating system relies on merely one-level thermal substation heating agent supply, and heating agent consumption is high；
2nd, heating agent consumption is high, big to non-renewable energy resources demands such as coals, causes the energy day by day deficient, and environmental pollution is day by day
Seriously；
3rd, the sufficient area of regenerative resource, primary energy waste is serious.
For solving above-mentioned technical problem, the utility model adopts the following technical scheme that
A kind of multi-heat source of the utility model heating central heating system, including with first-level pipeline network supply channel and one-level pipe
The main heat exchanger of net water return pipeline connection；It is that heat user supplies water that described main heat exchanger is also communicated with secondary network supply channel, from
Secondary network water return pipeline is set at heat user and its other end connects with described main heat exchanger, form circulation line；Described two
It is provided with auxiliary thermal source unit and circulating pump group on level pipe network water return pipeline.
Further, also include control device and with described control the device signal of telecommunication be connected electric adjusting device, second
Electric flow control valve and temperature sensor；
Described electric adjusting device is arranged on described first-level pipeline network supply channel；
It is parallel with return pipe branch road on described secondary network water return pipeline；Described auxiliary thermal source unit and described second electronic stream
Adjustable valve is arranged on described return pipe branch road, and described second electric flow control valve is positioned at the upper of described auxiliary thermal source unit
Trip；
Described temperature sensor is arranged on described secondary network water return pipeline near described main heat exchanger one end.
Further, the described control temperature information that detects according to described temperature sensor of device, to described electronic
Adjusting means and described second electric flow control valve carry out PID regulation.
Further, described return pipe branch road is communicated with water supply tank；Described water supply tank passes through the first electric flow control valve
It is connected with the pipeline between described second electric flow control valve and auxiliary thermal source unit；Described first electric flow control valve
It is connected with the described control device signal of telecommunication.
Further, it is provided with frequency conversion small pump group between described water supply tank and described first electric flow control valve.
Further, described auxiliary thermal source unit is net for air-source heat pump units, sewage source heat pump unit, Water source heat pump unit
One or more in group, earth source heat pump unit, absorption type heat pump assembly and unpowered solar energy.
Further, described secondary network water return pipeline is provided with dirt separator near heat user one end.
Compared with prior art, Advantageous Effects of the present utility model is as follows:
The utility model is by arranging main heat exchanger, it is to avoid first-level pipeline network supply channel directly heats for heat user, makes two
Level pipe network water supply pipeline is heat user heating, and arranges auxiliary thermal source unit on secondary network water return pipeline, takes full advantage of
Renewable resource, reducing nonrenewable resources must use, and protects environment, for thermal balance.
Brief description
The utility model is described in further detail in explanation below in conjunction with the accompanying drawings.
Fig. 1 is the central heating system structural representation of the utility model multi-heat source heating；
Description of reference numerals: the 1st, water supply tank；2nd, dirt separator；3rd, electric adjusting device；4th, device is controlled；5th, frequency conversion small pump
Group；6th, main heat exchanger；7th, temperature sensor；8th, circulating pump group；9th, the first electric flow control valve；10th, the second electric flow is adjusted
Joint valve；11st, auxiliary thermal source unit；12nd, first-level pipeline network supply channel；13rd, first-level pipeline network water return pipeline；14th, secondary network supplies water
Pipeline；15th, secondary network water return pipeline；16th, return pipe branch road.
Detailed description of the invention
As it is shown in figure 1, the central heating system of a kind of multi-heat source heating includes and first-level pipeline network supply channel 12 and one-level
The main heat exchanger 6 of pipe network water return pipeline 13 connection；It is heat user that described main heat exchanger 6 is also communicated with secondary network supply channel 14
Supply water, secondary network water return pipeline 15 and its other end are set at heat user and connect with described main heat exchanger 6, form circulation pipe
Road；It is provided with auxiliary thermal source unit 11 and circulating pump group 8 on described secondary network water return pipeline 15.
Specifically, also include controlling device 4 and with the described control electric adjusting device that is connected of device 4 signal of telecommunication the 3rd, second
Electric flow control valve 10 and temperature sensor 7；Described electric adjusting device 3 is arranged on described first-level pipeline network supply channel 12
On；It is parallel with return pipe branch road 16 on described secondary network water return pipeline 15；Described auxiliary thermal source unit 11 and described second electronic
Flow control valve 10 is arranged on described return pipe branch road 16, and described second electric flow control valve 10 is positioned at described auxiliary thermal source
The upstream of unit 11；Described temperature sensor 7 is arranged on described secondary network water return pipeline 15 near described main heat exchanger 6 one
End.
Described return pipe branch road 16 is communicated with water supply tank 1；Described water supply tank 1 by the first electric flow control valve 9 with described
Pipeline between second electric flow control valve 10 and auxiliary thermal source unit 11 is connected；Described first electric flow control valve 9
It is connected with described control device 4 signal of telecommunication.It is provided with frequency conversion between described water supply tank 1 and described first electric flow control valve 9
Small pump group 5.Described secondary network water return pipeline 15 is provided with dirt separator 2 near heat user one end.
Wherein, described auxiliary thermal source unit 11 be net for air-source heat pump units, sewage source heat pump unit, water source heat pump units,
One or more in earth source heat pump unit, absorption type heat pump assembly and unpowered solar energy.
Course of action of the present utility model is as follows:
When temperature sensor 7 temperature sensor is T, work as T=TmaxWhen, electric adjusting device 3 is full-shut position, T=TminWhen, electricity
Dynamic adjusting means 3 is full-gear.
Secondary network water return pipeline 15, after dirt separator 2, separates partial discharge entrance auxiliary thermal source unit 11 and heats.
Temperature sensor 7 senses secondary network water return pipeline 15 in real time and enters the temperature before primary heater 6, and this temperature uploads in real time
Control device 4, carries out PID regulation by PLC to electric adjusting device 3 and the second electric flow control valve 10.
The regulation of electric adjusting device 3 is carried out in such a way:
In the case that system does not carries out moisturizing, when temperature sensor 7 temperature sensor T is in Tmin、TmaxBetween when, second
Electric flow control valve 10 is shown in a fully open operation, when temperature sensor 7 temperature sensor T reaches Tmax, control device 4 sends instruction,
Second electric flow control valve 10 aperture reduces.
In the case that system carries out moisturizing, control device 4 is by calculating, according to the aperture of the first electric flow control valve 9
Reducing the second electric flow control valve 10, the total flow making entrance auxiliary thermal source unit 11 is that the maximum of auxiliary thermal source unit 11 produces
Hot water amount.If now temperature sensor 7 temperature sensor T reaches Tmax, control device 4 sends instruction, the second electric flow regulation
Valve 10 aperture reduces.
When temperature sensor 7 temperature sensor T is in Tmin、TmaxBetween when, electric adjusting device 3 is real-time according to leaving water temperature
Regulation aperture, exerts oneself with part and auxiliary thermal source unit heats jointly, work as T=TmaxWhen electric adjusting device 3 fully closed, rely on merely
Auxiliary thermal source unit heats, and works as T=TminWhen electric adjusting device 3 standard-sized sheet, go out and jointly heat with auxiliary thermal source unit 11 with all strength.
Embodiment described above is only to be described preferred embodiment of the present utility model, not to of the present utility model
Scope is defined, and on the premise of without departing from the utility model design spirit, those of ordinary skill in the art are new to this practicality
The technical scheme of type make various deformation and improve, all should fall into the utility model claims determine protection domain
In.
Claims (7)
1. the central heating system of a multi-heat source heating, it is characterised in that: include and first-level pipeline network supply channel and one-level pipe
The main heat exchanger of net water return pipeline connection；It is that heat user supplies water that described main heat exchanger is also communicated with secondary network supply channel, from
Secondary network water return pipeline is set at heat user and its other end connects with described main heat exchanger, form circulation line；Described two
It is provided with auxiliary thermal source unit and circulating pump group on level pipe network water return pipeline.
2. multi-heat source according to claim 1 heating central heating system, it is characterised in that: also include control device and
Electric adjusting device, the second electric flow control valve and the temperature sensor being connected with the described control device signal of telecommunication；
Described electric adjusting device is arranged on described first-level pipeline network supply channel；
It is parallel with return pipe branch road on described secondary network water return pipeline；Described auxiliary thermal source unit and described second electric flow are adjusted
Joint valve is arranged on described return pipe branch road, and described second electric flow control valve is positioned at the upstream of described auxiliary thermal source unit；
Described temperature sensor is arranged on described secondary network water return pipeline near described main heat exchanger one end.
3. multi-heat source according to claim 2 heating central heating system, it is characterised in that: described control device according to
The temperature information that described temperature sensor detects, is carried out to described electric adjusting device and described second electric flow control valve
PID is regulated.
4. the central heating system of multi-heat source according to claim 2 heating, it is characterised in that: described return pipe branch road connects
There is water supply tank；Described water supply tank is by the first electric flow control valve and described second electric flow control valve and auxiliary thermal source machine
Pipeline between group is connected；Described first electric flow control valve is connected with the described control device signal of telecommunication.
5. multi-heat source according to claim 4 heating central heating system, it is characterised in that: described water supply tank with described
It is provided with frequency conversion small pump group between first electric flow control valve.
6. the central heating system of multi-heat source according to claim 1 heating, it is characterised in that: described auxiliary thermal source unit
For net for air-source heat pump units, sewage source heat pump unit, water source heat pump units, earth source heat pump unit, absorption type heat pump assembly and nothing
One or more in power solar energy.
7. the central heating system of the multi-heat source heating according to claim 1-6 any one, it is characterised in that: described two
Level pipe network water return pipeline is provided with dirt separator near heat user one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620601715.7U CN205678752U (en) | 2016-06-20 | 2016-06-20 | A kind of central heating system of multi-heat source heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620601715.7U CN205678752U (en) | 2016-06-20 | 2016-06-20 | A kind of central heating system of multi-heat source heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205678752U true CN205678752U (en) | 2016-11-09 |
Family
ID=57430819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620601715.7U Expired - Fee Related CN205678752U (en) | 2016-06-20 | 2016-06-20 | A kind of central heating system of multi-heat source heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205678752U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327892A (en) * | 2017-08-04 | 2017-11-07 | 内蒙古旭宸能源有限公司 | Solar energy optical-thermal heat-collection heat-supply pipeline |
| CN112856548A (en) * | 2021-01-18 | 2021-05-28 | 中电惠特热力设计技术服务邯郸有限公司 | Multi-heat-source heat supply system and method |
-
2016
- 2016-06-20 CN CN201620601715.7U patent/CN205678752U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327892A (en) * | 2017-08-04 | 2017-11-07 | 内蒙古旭宸能源有限公司 | Solar energy optical-thermal heat-collection heat-supply pipeline |
| CN112856548A (en) * | 2021-01-18 | 2021-05-28 | 中电惠特热力设计技术服务邯郸有限公司 | Multi-heat-source heat supply system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161109 Termination date: 20210620 |