CN206959134U - A kind of domestic hot-water supply system with volumetric heat exchanger - Google Patents
A kind of domestic hot-water supply system with volumetric heat exchanger Download PDFInfo
- Publication number
- CN206959134U CN206959134U CN201720180150.4U CN201720180150U CN206959134U CN 206959134 U CN206959134 U CN 206959134U CN 201720180150 U CN201720180150 U CN 201720180150U CN 206959134 U CN206959134 U CN 206959134U
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- China
- Prior art keywords
- water
- heat exchanger
- water supply
- volumetric heat
- supply line
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Abstract
A kind of domestic hot-water supply system with volumetric heat exchanger is the utility model is related to, it includes volumetric heat exchanger, secondary hot water's water supply line is connected with the volumetric heat exchanger, secondary hot water's water return pipeline connects with cold water pipes；A water supply line for inputting heat into the volumetric heat exchanger and the primary water pipeline for backwater in delivery volume formula heat exchanger are also associated with the volumetric heat exchanger；The heat outlet connection of water supply line and boiler；Water supply line is provided with electric control valve；Secondary hot water's water supply line is provided with temperature sensor, and device category and structure setting of the present utility model are reasonable, ingenious, can farthest save the energy, the hydrothermal exchange ultrahigh in efficiency of separate sources, and temperature is more accurate.It is more convenient more accurately importantly, being adjusted by settings such as temperature sensor, electric control valves, system is simpler but system operation is more unobstructed.
Description
Technical field
It the utility model is related to heat supply process field, and in particular to a kind of domestic hot-water supply with volumetric heat exchanger
System.
Background technology
Boiler heating system is equipment essential in northern area daily life.And for the improvement of heating system
It is continual to update.However, also there is more deficiency for boiler heating system.
The gas-fired water heating boiler supplying hot water being commonly used now is substantially manually according to the temperature of the secondary water side of heat exchanger
Degree meter adjusts the high-temperature water inlet once to supply water manually.Its automaticity is not high, and manually-operated heat supply coolant-temperature gage is not
It can guarantee that.
The content of the invention
In view of this, the purpose of this utility model is to provide a kind of domestic hot-water supply system with volumetric heat exchanger
System, to solve the deficiency mentioned in the prior art.
The purpose of this utility model is to be achieved through the following technical solutions：
A kind of domestic hot-water supply system with volumetric heat exchanger, it includes volumetric heat exchanger, the positive displacement
Secondary hot water's water supply line that promising user terminal provides heat, the volumetric heat exchanger are connected on the top-end water-outlet mouth of heat exchanger
Bottom be provided with cooling water inlet and backwater import, the backwater import is connected with the delivery port of secondary hot water's water return pipeline, and this two
The water inlet of secondary hot water backwater's pipeline is connected to the water after the user terminal heat exchange being sent into the appearance with the user terminal
In product formula heat exchanger, the cooling water inlet of the volumetric heat exchanger is connected with cold water pipes；
A feed pipe for inputting heat into the volumetric heat exchanger is also associated with the volumetric heat exchanger
Road and the primary water pipeline for backwater in delivery volume formula heat exchanger；The heat outlet of water supply line and boiler
Connection；
Water supply line is provided with electric control valve；Secondary hot water's water supply line is provided with TEMP
Device.
Further, the first water inlet connection of the primary water pipeline and boiler.
Further, the primary water pipeline is provided with first circulation pump.
Further, secondary hot water's water return pipeline is provided with second circulation pump.
Further, the delivery port of the volumetric heat exchanger, cooling water inlet, backwater import and with a water supply line
The water inlet of connection is equipped with to the valve of regulation folding and aperture manually.
Further, the valve is gate valve or butterfly valve.
Further, the cold water pipes are provided with check-valves.
The utility model at least has the advantages that：
1. the utility model includes boiler, volumetric heat exchanger and a feed pipe being connected with volumetric heat exchanger
Road, secondary hot water's water supply line, primary water pipeline, secondary hot water's water return pipeline, cold water pipes etc., the structure setting can be most
The saving energy of big degree, the hydrothermal exchange ultrahigh in efficiency of separate sources, temperature are more accurate；Importantly, the utility model
In device category and structure setting it is reasonable, ingenious, repacking for original heating system is convenient, and system is simpler but system
Operation is more unobstructed.
2. the switch aperture of electric control valve is regulated and controled or, to control a high-temperature water by the measured value of temperature sensor
Inlet, and then realize domestic hot-water is automatically controlled.The structure of the system is simpler practical and reasonable simultaneously；And
Being changed to automatically control by the hot water temperature of manual control originally, make domestic hot-water supply effect more stable.The utility model can
The drawbacks of thoroughly to change current manual control, and cost of investment is advantageous to promote the use of a large area than relatively low；Additionally by
Volumetric heat exchanger and the valve of inlet and outlet are set, artificial and automatic switching can be accomplished.
Brief description of the drawings
Fig. 1 is the structure of the domestic hot-water supply system with volumetric heat exchanger described in the utility model embodiment
Schematic diagram.
In figure, 11, volumetric heat exchanger, 12, user terminal, 13, secondary hot water's water supply line, 14, secondary hot water's return pipe
Road, 15, water supply lines, 16, primary water pipeline, 17, cold water pipes, 18, boiler, 100, valve, 131, TEMP
Device, 141, second circulation pump, 151, electric control valve, 161, first circulation pump, 171, check-valves.
Embodiment
The technical scheme in the embodiment of the utility model is clearly and completely described below, it is clear that described reality
It is the utility model part of the embodiment to apply example, rather than whole embodiments.Embodiment of the present utility model presented below
Detailed description be not intended to limit claimed the scope of the utility model, but be merely representative of of the present utility model selected
Embodiment.Based on the embodiment in the utility model, this area commonsense method personnel are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
As shown in figure 1, a kind of domestic hot-water supply system with volumetric heat exchanger, it includes volumetric heat exchanger
11, secondary hot water's water supply line that promising user terminal 12 provides heat is connected on the top-end water-outlet mouth of the volumetric heat exchanger 11
13, the bottom of the volumetric heat exchanger 11 is provided with cooling water inlet and backwater import, the backwater import and secondary hot water's backwater
The delivery port connection of pipeline 14, the water inlet of secondary hot water's water return pipeline 14 are connected to the use with the user terminal 12
Water after the heat exchange of family end 12 is sent into the volumetric heat exchanger 11, the cooling water inlet and cold water of the volumetric heat exchanger 11
Pipeline 17 is connected to feed cold water；
It is also associated with the volumetric heat exchanger 11 for inputting once supplying for heat into the volumetric heat exchanger 11
Waterpipe 15 and the primary water pipeline 16 for backwater in delivery volume formula heat exchanger 11；Water supply line 15 and pot
The heat outlet connection of stove 18；
Water supply line 15 is provided with the electric control valve 151 of regulation high-temperature water inlet；The secondary hot water
Water supply line 13 is provided with the temperature sensor 131 that sensing feeds to the hot water temperature of user terminal 12, electric control valve 151 and temperature
The setting of sensor 131 can ensure temperature controlled accuracy.
The primary water pipeline 16 is connected with the first water inlet of boiler 18.
The primary water pipeline 16 is provided with first circulation pump 161.
Secondary hot water's water return pipeline 14 is provided with second circulation pump 141, and the second circulation pump 141 is preferably that heat is followed
Ring pump.
The delivery port of the volumetric heat exchanger 11, cooling water inlet, backwater import and it is connected with a water supply line 15
Water inlet be equipped with to manually regulation folding and aperture valve 100.The valve 100 is preferably gate valve or butterfly valve.
Check-valves 171 is equipped with the cold water pipes 17 and primary water pipeline 16.
Hot backwater in secondary hot water's water return pipeline 14 enters volumetric heat exchanger 11, cold water pipes by hot recycle pump 5
Cold water in 17 also exchanges heat into volumetric heat exchanger 11, and then hot backwater and cold water carry out hot friendship in volumetric heat exchanger 11
Change, the water after heat exchange is gone to by secondary hot water's water supply line 13 and carries out heat supply with heat user end 12, is carried out in user terminal 12
Returned in volumetric heat exchanger 11 and recycled by secondary hot water's water return pipeline 14 again after heat exchange.
When the temperature that temperature sensor 131 is sensed in secondary hot water's water supply line 13 is less than established standardses value, it is located at
Electric control valve 151 on water supply line 15 is opened, and adjusts the high-temperature water inlet in a water supply line 15, and then control
The temperature that water heating supplies water.Controlled by the temperature signal of the outflow of temperature sensor 131 on secondary hot water's water supply line 13
Electric control valve 151 processed adjusts the inlet once to supply water in a water supply line 15.
Backwater in primary water pipeline 16 returns to boiler 18 by first circulation pump 4.Water in primary water pipeline 16
For the condensed water in volumetric heat exchanger 11 or unnecessary water.
In the specific implementation, temperature sensor 131 and electric control valve 151 can be attached with processor, Ran Houtong
Cross processor and carry out auto-control.The set location of processor is flexible, can be set according to being actually needed, such as be arranged at computer room, work
Between the work or room of boiler 18 etc. place.
When it is implemented, in order to more thoroughly understand specific temperature adjusting in Tthe utility model system, by temperature control
Principle is shown, as follows.The contents of the section is intended merely to the more convenient inner principle for understanding the industry, itself and system of the present utility model
In the content of two different aspects, it is not used in the system limited in the utility model for subordination.
Rate of heat transfer Q=KA Δ tm directly proportional to the heat transfer area of heat exchanger and the MTD of two fluids, can also rename as
For, wherein, Q-rate of heat transfer, W；The area , ㎡ of A-heat exchanger；Average temperature between Δ tm-cold and hot fluid
Degree it is poor, K or DEG C；R=When be referred to as overall thermal resistance.When known to rate of heat transfer Q, MTD Δ tm and Coefficient K,
The area A of required heat exchanger can be tried to achieve by rate of heat transfer equation.
The temperature and its temperature difference of the side liquid of heat-transfer area two are changes along heat-transfer area, therefore take an infinitesimal section in heat exchanger
Grind making internal disorder or usurp.The heat transfer area of infinitesimal section is da, and hot fluid drops to dt because releasing heat its temperature in da, cold fluid because
Its temperature rise of absorption heat is dt, heat output dq.Such as ignore the heat loss of heat exchanger, then heat balance equation is in da：
Order
For stable operation, m1, m2 be constant, Take the specific heat under fluid mean temperature, and constant, therefore m
For constant.
Variables separation is integrated
Heat balance is done to whole heat-transfer surface:
M is substituted into, arranged：
By above formula compared with rate of heat transfer equation, then have：
The logarithmic mean value of Δ tm temperature differences between the cold and hot fluid of heat exchanger both ends, referred to as log-mean temperature difference in formula.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this area
For technical staff, the utility model can have various changes and change.All institutes within spirit of the present utility model and principle
Any modification, equivalent substitution and improvements of work etc., should be included within the scope of protection of the utility model.
Claims (7)
1. a kind of domestic hot-water supply system with volumetric heat exchanger, it includes volumetric heat exchanger, and the positive displacement is changed
Secondary hot water's water supply line that promising user terminal provides heat is connected on the top-end water-outlet mouth of hot device, it is characterised in that：The appearance
The bottom of product formula heat exchanger is provided with cooling water inlet and backwater import, the backwater import and the delivery port of secondary hot water's water return pipeline
Connection, the water inlet of secondary hot water's water return pipeline are connected to send in the water after the user terminal heat exchange with the user terminal
Enter in the volumetric heat exchanger, the cooling water inlet of the volumetric heat exchanger is connected with cold water pipes；
Be also associated with the volumetric heat exchanger water supply line for inputting from heat to the volumetric heat exchanger and
Primary water pipeline for backwater in delivery volume formula heat exchanger；The heat outlet of water supply line and boiler connects
Connect；
Water supply line is provided with electric control valve；Secondary hot water's water supply line is provided with temperature sensor.
2. the domestic hot-water supply system according to claim 1 with volumetric heat exchanger, it is characterised in that：Described one
The first water inlet connection of secondary water return pipeline and boiler.
3. the domestic hot-water supply system according to claim 2 with volumetric heat exchanger, it is characterised in that：Described one
Secondary water return pipeline is provided with first circulation pump.
4. the domestic hot-water supply system according to claim 3 with volumetric heat exchanger, it is characterised in that：Described two
Secondary hot water backwater's pipeline is provided with second circulation pump.
5. the domestic hot-water supply system according to claim 4 with volumetric heat exchanger, it is characterised in that：The appearance
The delivery port of product formula heat exchanger, cooling water inlet, backwater import and it is equipped with use with the water inlet that a water supply line is connected
To adjust the valve of folding and aperture manually.
6. the domestic hot-water supply system according to claim 5 with volumetric heat exchanger, it is characterised in that：The valve
Door is gate valve or butterfly valve.
7. the domestic hot-water supply system according to claim 6 with volumetric heat exchanger, it is characterised in that：It is described cold
Waterpipe is provided with check-valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720180150.4U CN206959134U (en) | 2017-02-28 | 2017-02-28 | A kind of domestic hot-water supply system with volumetric heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720180150.4U CN206959134U (en) | 2017-02-28 | 2017-02-28 | A kind of domestic hot-water supply system with volumetric heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206959134U true CN206959134U (en) | 2018-02-02 |
Family
ID=61376900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720180150.4U Expired - Fee Related CN206959134U (en) | 2017-02-28 | 2017-02-28 | A kind of domestic hot-water supply system with volumetric heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206959134U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110906431A (en) * | 2019-08-29 | 2020-03-24 | 中京能源科技有限公司 | Domestic cold water and domestic hot water supply system |
-
2017
- 2017-02-28 CN CN201720180150.4U patent/CN206959134U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110906431A (en) * | 2019-08-29 | 2020-03-24 | 中京能源科技有限公司 | Domestic cold water and domestic hot water supply system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180202 Termination date: 20190228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |