CN201488123U - Hot water supply system - Google Patents
Hot water supply system Download PDFInfo
- Publication number
- CN201488123U CN201488123U CN2009201916908U CN200920191690U CN201488123U CN 201488123 U CN201488123 U CN 201488123U CN 2009201916908 U CN2009201916908 U CN 2009201916908U CN 200920191690 U CN200920191690 U CN 200920191690U CN 201488123 U CN201488123 U CN 201488123U
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- CN
- China
- Prior art keywords
- hot water
- flue gas
- heat exchange
- supply system
- water supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/18—Domestic hot-water supply systems using recuperated or waste heat
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides hot water supply system, which comprises a water inlet pipeline, a water outlet pipeline and a heat exchanger arranged between the water inlet pipeline and the water outlet pipeline. The heat exchanger is used for exchanging heat between cold water and hot water, and a smoke gas heat exchanger arranged between the water inlet pipeline and the water outlet pipeline is used for exchanging heat between water and smoke gas. By utilizing heat exchange between the water and the smoke gas to heat water or assist in water heating, the hot water supply system converts heat of the smoke gas into heat of the hot water, thereby recycling waste materials, reducing environment pollution and saving energy resources.
Description
Technical field
The utility model relates to a kind of hot water supply system, relates in particular to a kind of flue gas heat exchange device that utilizes and comes the hot water supply system of water heating.
Background technology
Figure 1 shows that the hot water supply system that present hotel generally adopts, this system comprises inlet pipeline 51, outlet pipeline 52, is arranged on the heat exchanger 6 between inlet pipeline 51 and the outlet pipeline 52, and heat exchanger 6 adopts plate type heat exchanger.Inlet pipeline 51 is provided with variable frequency pump 92, is provided with hot water water tank 91 at the end of outlet pipeline 52.Main building hot water backwater and cold water enter heat exchanger 6 from inlet pipeline 51, and the hot water that produces with direct combustion machine 93 in heat exchanger 6 carries out heat exchange, flow into hot water water tank 91 from outlet pipeline 52 afterwards, are supplied to the guest room by hot water water tank 91 at last.Direct combustion machine 93 adopt usually freeze, heat, domestic hot-water's three-way set, the refrigeration in hotel, heat with the domestic hot-water and provide by direct combustion machine 93.Because the hotel needs the long-term air-conditioning of opening, direct combustion machine 93 is in service for a long time, produces a large amount of high-temperature flue gas.This flue gas directly is discharged in the atmosphere, not only contaminated environment, improve ambient temperature, increase the weight of global greenhouse effect, but also wasted the heat in the flue gas.If can utilize the heat of this high-temperature flue gas to heat domestic water, not only can reduce environmental pollution, but also turn waste into wealth, energy savings.Especially in this hot water supply system, if the flue gas that can utilize direct combustion machine 93 to discharge heats domestic water, can also reduce direct combustion machine 93 in the burden that provides aspect the hot water, even can provide hot water, thereby reduce the discharging of flue gas without direct combustion unit 93.
Summary of the invention
Technical problem to be solved in the utility model is, proposes a kind ofly to utilize water and flue gas to carry out heat exchange to add hot water or the auxiliary hot water supply system that adds hot water.
Provide a kind of hot water supply system for solving its technical problem the utility model, this system comprise inlet pipeline, outlet pipeline and be arranged on inlet pipeline and outlet pipeline between heat exchanger, heat exchanger is used for cold water and hot water carries out heat exchange, also is provided with to be used for the flue gas heat exchange device that water and flue gas carry out heat exchange between inlet pipeline and outlet pipeline.
Compare with existing hot water supply system, the utility model is owing to increased the flue gas heat exchange device, and the flue gas of water and high temperature carries out heat exchange in the flue gas heat exchange device, and the heat of flue gas is converted to the heat of hot water, turns waste into wealth, reduces environmental pollution and energy savings.
Description of drawings
Fig. 1 is the structural representation of existing hot water supply system;
Fig. 2 is the structural representation of the utility model hot water supply system;
Fig. 3 is the schematic cross sectional views of the flue gas heat exchange device among Fig. 2.
Below in conjunction with accompanying drawing the utility model is described in detail.
The specific embodiment
Fig. 1 is the structural representation of existing hot water supply system, Fig. 2 is the structural representation of the utility model hot water supply system, comparison diagram 1 and Fig. 2 as can be seen, hot water supply system shown in Figure 2 has increased flue gas heat exchange device 8 on hot water supply system basis shown in Figure 1.The structure of hot water supply system of the present utility model and existing hot water supply system same section shown in Figure 1 is described in the application's background technology part, does not repeat them here.
Flue gas heat exchange device 8 is connected on the inlet pipeline 51 in parallel, and the flue gas heat exchange device also can be connected in series on inlet pipeline.For flue gas heat exchange device 8, water flows into from water inlet c, flows out from delivery port d; Flue gas flows into from advancing flue gas mouth e, flows out from smoke gas port f.In flue gas heat exchange device 8, water and flue gas carry out heat exchange.On the inlet pipeline branch road that is connected in parallel between an a, the b, be provided with by-passing valve 73, at the water inlet c of flue gas heat exchange device 8 be connected in parallel and be provided with valve 1 between a, at the delivery port d of flue gas heat exchange device 8 be connected in parallel and be provided with valve 2 72 between the b.Preferably, valve 1, valve 2 72 adopt blass stop valve.Between valve 1 and water inlet c, be provided with air bleeding valve 74, between valve 2 72 and delivery port d, be provided with air bleeding valve 75.Can be at the water inlet c of flue gas heat exchange device 8, advance flue gas mouth e and a round metal disc type thermometer is respectively installed at smoke gas port f place, to observe the temperature of cigarette G﹠W.At delivery port d place a disc type electric contact thermometer is installed, when the hot water temperature who comes out from delivery port d was lower than design temperature, electric contact thermometer sent low temperature alarm.Can also warning device be installed according to the needs that use the hot water temperature, to remind the operating personnel hot water temperature whether in setting range.
Three kinds of working conditions of the utility model hot water supply system are described below with reference to Fig. 2.Working condition one, direct combustion machine 93 operate as normal also provide the capacity flue gas, only adopt flue gas heat exchange device 8 heating of feeding water, and heat exchanger 6 does not start heat exchange function.In this case, valve 1 and valve 2 72 are opened, by-passing valve 73 and air bleeding valve 74,75 are closed, water enters flue gas heat exchange device branch road from inlet pipeline 51, in flue gas heat exchange device 8, carry out inflow heat exchanger 6 after the heat exchange with flue gas, do not carry out heat exchange in heat exchanger 6, water enters hot water water tank 91 after heat exchanger 6 comes out.Working condition two is if the hot water use amount when more greatly, only using the flue gas heat exchange device to be not enough to hot water is provided, adopts the heating of feeding water simultaneously of flue gas heat exchange device 8 and heat exchanger 6.In this case, the switch situation of valve and the flow circuits of water are identical with above-mentioned working condition one, only be that with the difference of working condition one heat exchanger 6 has started heat exchange function, enter the water of heat exchanger 6 and hot water that direct combustion machine 93 provides carries out heat exchange from flue gas heat exchange device 8.Working condition three, if the main building hot water backwater's who enters from inlet pipeline 51 temperature has reached demand, then flue gas heat exchange device 8 and heat exchanger 6 heating of all not feeding water, valve 1 and valve 2 72 are closed, by-passing valve 73 is opened, and the current of coming in from inlet pipeline 51 enter hot water standpipe 91 behind by-passing valve 73 and heat exchanger 6.Air bleeding valve 74,75 is opened, and the hot water and steam in flue gas heat exchange device branch road is discharged.Hot water supply system of the present utility model can adopt different mode of operations according to different situations, can satisfy multiple needs, and relatively flexibly.
The flue gas heat exchange device can adopt shell-and-tube heat exchanger.Fig. 3 is the schematic cross sectional views of the flue gas heat exchange device 8 among Fig. 2, describes the structure of flue gas heat exchange device 8 below with reference to Fig. 3.Flue gas heat exchange device 8 comprises columnar housing 1, and tube sheet 21,22 is installed in the two ends of housing 1 respectively, a plurality of heat-transfer pipes 4 in housing 1 and two ends be fixed on the tube sheet 21,22 by expanding joint method, bobbin carriage 31,32 is installed in the outside of tube sheet 21,22 respectively.On housing 1, be provided with adapter 1 and take over 2 12, on bobbin carriage 31,32, be provided with adapter 3 310 respectively and take over 4 320.Flue gas enters bobbin carriage 31 from taking over 3 310, and adapter four 320 outflow heat exchangers of back from bobbin carriage 32 flow in heat-transfer pipe 4.Cold water enters housing 1 from taking over 1, and tube wall and flue gas by heat-transfer pipe 4 in housing 1 carry out heat exchange, flows out housings 1 from taking over 2 12 after having absorbed the part heat of flue gas.Water inlet c among Fig. 2, delivery port d, advance flue gas mouth e and smoke gas port f and be respectively adapter 1 among Fig. 3, take over 2 12, take over 3 310 and take over 4 320.
Since very big in the front end and the rear end flue gas temperature difference of flue gas heat exchange device, can reach more than 70 ℃; And flue gas and to carry out the temperature difference of water of heat exchange with it also very big, the gas approach temperature reaches as high as about 158 ℃, and the domestic hot-water's temperature in the circulation has only 40～50 ℃, and flue gas is met the rapid shrinkage of cold meeting and is produced the part condensed water.Because the condensed water that long-time running produces amasss in flue gas heat exchange device inside, can be deposited on the bottom of bobbin carriage and heat exchanger tube in order preventing on the one hand, to stop up heat exchanger tube, reduce the exhaust uptake area of heat exchange area and direct combustion machine, reduce refrigerating efficiency; Increase along with condensation water quantity can form the condensed water refluence on the other hand, and condensed water blows back into by flue in the burner of direct combustion machine, causes equipment fault easily, simultaneously flue is had detrimental effect.Therefore, the utility model is provided with DN25 draining valve 51,52 respectively on casing 31,32, so that the flue gas condensing water that accumulates in the flue gas heat exchange device is discharged.Preferably, the position of draining valve 51,52 is arranged so that when the flue gas heat exchange device is installed and used draining valve 51,52 is positioned at the lowest point place of bobbin carriage, better the flue gas condensing water that accumulates in the flue gas heat exchange device is discharged.
In order to absorb the heat of flue gas fully, heat-transfer pipe 4 adopts the higher T2 copper tube of heat transfer efficiency.Because that the supply of the utility model hot water supply system is the domestic hot-water, considers the needs to customer service, the domestic hot-water must not have yellow stain, rust stain, so housing 1 all adopts the SUS304 stainless steel, thereby guarantees domestic hot-water's quality.
Claims (10)
1. hot water supply system, comprise inlet pipeline, outlet pipeline and be arranged on described inlet pipeline and described outlet pipeline between heat exchanger, described heat exchanger is used for cold water and hot water carries out heat exchange, it is characterized in that, between described inlet pipeline and described outlet pipeline, also be provided with and be used for the flue gas heat exchange device that water and flue gas carry out heat exchange.
2. hot water supply system according to claim 1 is characterized in that described hot water supply system also comprises the direct combustion machine, and described direct combustion machine is used for hot water being provided and providing flue gas to described flue gas heat exchange device to described heat exchanger.
3. hot water supply system according to claim 1 is characterized in that, described flue gas heat exchange device is arranged on the described inlet pipeline and is positioned at the upstream of described heat exchanger.
4. hot water supply system according to claim 3, it is characterized in that, described flue gas heat exchange device is connected on the described inlet pipeline in parallel, between the water inlet of described flue gas heat exchange device and one are connected in parallel a little and between the delivery port of described flue gas heat exchange device and another are connected in parallel a little, be provided with valve one and valve two respectively, on the inlet pipeline branch road, be provided with by-passing valve.
5. hot water supply system according to claim 4 is characterized in that, described valve one and valve two are blass stop valve.
6. hot water supply system according to claim 1 is characterized in that, described flue gas heat exchange device is a shell-and-tube heat exchanger.
7. hot water supply system according to claim 6, it is characterized in that, described flue gas heat exchange device comprises housing, tube sheet, bobbin carriage and a plurality of heat-transfer pipe, described tube sheet is two and is installed in described housing two ends respectively, described bobbin carriage is two and is installed in the outside of each described tube sheet respectively, described heat-transfer pipe in described housing and two ends be fixed on the described tube sheet, on described bobbin carriage, be provided with and be used for the draining valve of discharging at the condensed water of described flue gas heat exchange device.
8. hot water supply system according to claim 7 is characterized in that, described draining valve is positioned at the lowest point place of described bobbin carriage when described flue gas heat exchange device is installed and used.
9. hot water supply system according to claim 8 is characterized in that, described housing is the stainless steel cylinder, and described heat-transfer pipe is a copper tube.
10. according to each described hot water supply system of claim 1-9, it is characterized in that described heat exchanger is a plate type heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201916908U CN201488123U (en) | 2009-08-17 | 2009-08-17 | Hot water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201916908U CN201488123U (en) | 2009-08-17 | 2009-08-17 | Hot water supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201488123U true CN201488123U (en) | 2010-05-26 |
Family
ID=42427002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201916908U Expired - Fee Related CN201488123U (en) | 2009-08-17 | 2009-08-17 | Hot water supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201488123U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403059A (en) * | 2015-11-21 | 2016-03-16 | 章丘市海利机械制造有限公司 | Waste-heat utilization device for fuel gas type controlled atmosphere multi-purpose furnace and heat supply system with waste-heat utilization device |
-
2009
- 2009-08-17 CN CN2009201916908U patent/CN201488123U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403059A (en) * | 2015-11-21 | 2016-03-16 | 章丘市海利机械制造有限公司 | Waste-heat utilization device for fuel gas type controlled atmosphere multi-purpose furnace and heat supply system with waste-heat utilization device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20110817 |