CN201819312U - Efficient and energy-saving integral-type mixing-water heat-exchange unit - Google Patents
Efficient and energy-saving integral-type mixing-water heat-exchange unit Download PDFInfo
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- CN201819312U CN201819312U CN2010205670473U CN201020567047U CN201819312U CN 201819312 U CN201819312 U CN 201819312U CN 2010205670473 U CN2010205670473 U CN 2010205670473U CN 201020567047 U CN201020567047 U CN 201020567047U CN 201819312 U CN201819312 U CN 201819312U
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Abstract
The utility model relates to an efficient and energy-saving integral-type mixing-water heat-exchange unit. The mixing-water heat-exchange unit comprises a primary water supply pipeline, a primary water return pipeline, a secondary water supply pipeline, a secondary water return pipeline, a secondary water supply-return by-pass pipeline, a labyrinth water mixer and a controller, wherein the primary water supply pipeline, the primary water return pipeline and the secondary water supply-return by-pass pipeline are respectively connected with the labyrinth water mixer; the secondary water supply pipeline and the secondary water return pipeline are mutually communicated; the secondary water supply-return by-pass pipeline is communicated with the secondary water supply pipeline and the secondary water return pipeline respectively; and the controller is connected with the primary water supply pipeline, the primary water return pipeline, the secondary water return pipeline and the secondary water supply-return by-pass pipeline respectively. The mixing-water heat-exchange unit provided by the utility model appropriately utilizes the frequency conversion control technology, is suitable for most of central heating occasions; and as a circulating pump is still arranged on the water supply-return by-pass pipeline, the investment is reduced, meanwhile, various unnecessary accessories are reduced, resistance loss is lowered, and power consumption is reduced correspondingly.
Description
Technical field
The utility model relates to a kind of energy-efficient monoblock type and mixes water heat exchange unit, relates in particular to a kind of energy-efficient monoblock type that is applied in the central heating system and mixes water heat exchange unit.
Background technology
Because the immature and high-temperature water heat supply requirements in water quality of early stage heat supply network monitoring technique, between indirectly and the direct-connected system of mixed water between simple direct-connected in the central heating cause always by certainly, do not obtain large-area use.In short supply along with the energy, the seriousness that air ambient pollutes, mix direct-connected because its reduced investment of water, heat capacity is strong, easy to adjust, resistance is little, strengthen once the net temperature difference, reduce once net power consumption, save advantages such as the energy and power consumption, under the prerequisite of automatic control technology and computer information development, progressively found the position of oneself, be applicable to that therefore the heat transfer technology that mixes the water heat exchange also is developed widely.
Relevant at present technology has:
(1) simply multifunctional pump is arranged on between return pipe, gets in the supply channel by the pump handle backwater and go, mix with water supply and reduce temperature, satisfy user's requirement.
(2) the secondary water-supply pipeline is provided with water circulating pump, and water circulating pump makes secondary backwater partial discharge mix with once supplying water, and constitutes the direct connection that band mixes water loop; Water circulating pump moves for backwater pressure reduction automatically according to secondary, regulates the aperture of electric control valve or motorized adjustment pump automatically, to satisfy the needs of secondary piping flow and temperature; The heat exchange unit that also has has designed by switch valve and has changed the position of electric control valve or motorized adjustment pump and change the position relation of mixing water loop and water circulating pump, changes the supply pressure scope of a pipe network.
First kind of situation system is too simple, and a secondary net heating power hydraulic regime is disturbed mutually, and pressure control intercouples, and the most important thing is that the secondary water-supply temperature regulates inconvenience automatically, can not adapt to pressure and change, and causes user's temperature instability, and heating effect is bad.Second kind of situation adopted too complicated control technology and control appliance, various situations have been considered, but corresponding increasing equipment investment, yet concerning most of heat supply zone, owing to the physical features reason, this kind water circulating pump is arranged on the secondary water-supply pipeline or mixes the method for water loop and be of little use by the conversion of various electric control valves and pipeline section valve is set, because the setting of many annexes such as valve must be the resistance that has strengthened system, energy consumption increases in addition; Once supply water in the prior art simultaneously and the mixing the place and can not effectively mix of secondary backwater, easily produce water hammer based on the variation of pressure and temperature.
The utility model content
The utility model in the prior art between indirectly and the direct-connected system of the mixed water above shortcomings between simple direct-connected, provide a kind of energy-efficient monoblock type to mix water heat exchange unit.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of energy-efficient monoblock type is mixed water heat exchange unit and is comprised water supply line one time, the primary water pipeline, the secondary water-supply pipeline, the secondary water return pipeline, secondary is for the backwater bypass line, labyrinth water-water jet and controller, a described water supply line, the primary water pipeline links to each other with the labyrinth water-water jet respectively for the backwater bypass line with secondary, described secondary water-supply pipeline and secondary water return pipeline are connected, described secondary is connected with secondary water-supply pipeline and secondary water return pipeline respectively for the backwater bypass line, described controller respectively with a water supply line, the primary water pipeline, the secondary water return pipeline links to each other for the backwater bypass line with secondary.
The beneficial effects of the utility model are: the energy-efficient monoblock type of the utility model is mixed water heat exchange unit different area of heat-supply services is designed respectively, and it has following beneficial effect:
1, suitably utilizes the control converter technique, be applicable under the most of occasion of central heating, this unit still adopts circulating pump is arranged on on the backwater bypass line, the convenient adjusting, reduce investment, reduce the unnecessary various annexes such as the use of valve simultaneously, reduce drag losses, reduce power consumption accordingly;
2, this unit is equipped with a cover control system, has avoided prior art user's heat supply temperature instability, the bad phenomenon of effect, can regulate supply and return water temperature automatically simultaneously;
3, unit avoids pressure variation and variations in temperature to cause hot and cold water to mix the requirement of not satisfying supply water temperature by the labyrinth type water-water jet is set, and can solve the water attack that produces for backwater can not effectively mix of different pressures temperature preferably, phenomenons such as eddy current;
4, this unit is the respective pump that is adapted to certain heat supply zone, and water-water jet, pipeline and control system etc. are combined into one, and avoid field erected complexity;
5, with respect to the heat exchange unit of indirect heat exchange system, this unit floor space is few, the heat exchange efficiency height, be convenient to regulate, do not need heat exchanger, water charging system etc., cost is low, do not need to overcome the heat exchanger resistance, the circulating pump lift reduces, and power descends, frequency conversion running in addition, power consumption reduces greatly, strengthens supply backwater temperature difference, avoids " low load with strong power " phenomenon, caliber is little, reduces investment outlay.
On the basis of technique scheme, the utility model can also be done following improvement.
Further, a described water supply line is provided with electric control valve, temperature sensor and pressure sensor, and described electric control valve, temperature sensor and pressure sensor link to each other with controller respectively.
Further, described primary water pipeline is provided with calorimeter, temperature sensor and pressure sensor, and described temperature sensor links to each other with controller respectively with pressure sensor.
Further, described labyrinth water-water jet is provided with spring loaded safety valve and Pressure gauge.
Further, described secondary water-supply pipeline is provided with flanged gate valve.
Further, described secondary water return pipeline is provided with three flanged gate valves, y-type filter, temperature sensor and pressure sensors, described temperature sensor links to each other with controller respectively with pressure sensor, described y-type filter is connected between two flanged gate valves, and a remaining flanged gate valve links to each other with these two flanged gate valves respectively.
Further, described secondary comprises the first wafer type butterfly valve, the second wafer type butterfly valve, check-valves, first connecting hose, second connecting hose and frequency conversion water circulating pump for the backwater bypass line, the described first wafer type butterfly valve links to each other with check-valves with the labyrinth water-water jet respectively, described first connecting hose links to each other with the frequency conversion water circulating pump with check-valves respectively, described second connecting hose links to each other with the second wafer type butterfly valve with the frequency conversion water circulating pump respectively, the described second wafer type butterfly valve links to each other with the secondary water return pipeline with the secondary water-supply pipeline respectively, and described frequency conversion water circulating pump links to each other with controller.
Further, also comprise differential pressure controller, described differential pressure controller links to each other with the secondary water return pipeline with the primary water pipeline respectively, links to each other with controller simultaneously.
Further, described secondary is two for the quantity of backwater bypass line, and described two secondaries supply between the backwater bypass line parallel with one another, and link to each other with labyrinth water-water jet, secondary water-supply pipeline and secondary water return pipeline respectively.
Description of drawings
Fig. 1 is the structural principle schematic diagram that the energy-efficient monoblock type of the utility model is mixed water heat exchange unit embodiment one;
Fig. 2 is the vertical view that the energy-efficient monoblock type of the utility model is mixed water heat exchange unit embodiment one;
Fig. 3 is the structural principle schematic diagram that the energy-efficient monoblock type of the utility model is mixed water heat exchange unit embodiment two;
Fig. 4 is the vertical view that the energy-efficient monoblock type of the utility model is mixed water heat exchange unit embodiment two.
The specific embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used to explain the utility model, is not to be used to limit scope of the present utility model.
Fig. 1 is the structural principle schematic diagram that the energy-efficient monoblock type of the utility model is mixed water heat exchange unit embodiment one.As shown in Figure 1, described energy-efficient monoblock type is mixed water heat exchange unit and is comprised water supply line 12 one time, primary water pipeline 19, secondary water-supply pipeline 22, secondary water return pipeline 28, secondary is for backwater bypass line 11, labyrinth water-water jet 3, differential pressure controller 5 and controller 20, a described water supply line 12, primary water pipeline 19 links to each other with labyrinth water-water jet 3 respectively for backwater bypass line 11 with secondary, described secondary water-supply pipeline 22 and secondary water return pipeline 28 are connected, described secondary is connected with secondary water-supply pipeline 22 and secondary water return pipeline 28 respectively for backwater bypass line 11, described controller 20 respectively with a water supply line 12, primary water pipeline 19, secondary water return pipeline 28 links to each other for backwater bypass line 11 with secondary.Described differential pressure controller 5 links to each other with secondary water return pipeline 28 with primary water pipeline 19 respectively, links to each other with controller 20 simultaneously, and described differential pressure controller 5 is used to regulate primary water pipeline 19 and secondary water return pipeline 28 pressure reduction between the two.
A described water supply line 12 is provided with electric control valve 4, temperature sensor 13 and pressure sensor 14, and described electric control valve 4, temperature sensor 13 and pressure sensor 14 link to each other with controller 20 respectively.
Described primary water pipeline 19 is provided with calorimeter 6, temperature sensor 17 and pressure sensor 18, and described temperature sensor 17 links to each other with controller 20 respectively with pressure sensor 18.
Described labyrinth water-water jet 3 is provided with spring loaded safety valve 16 and Pressure gauge 15.The mixing ratio that described labyrinth water-water jet 3 can be regulated mixed pipe line makes the secondary water-supply temperature keep steady change, is provided with spring loaded safety valve 16 above the while, plays the constant relatively effect of pressure.
Described secondary water-supply pipeline 22 is provided with flanged gate valve 23.
Described secondary water return pipeline 28 is provided with three flanged gate valves 26,27,29, y-type filter 2, temperature sensor 24 and pressure sensor 25, described temperature sensor 24 links to each other with controller 20 respectively with pressure sensor 25, described y-type filter 2 is connected between two flanged gate valves 26,27, and a remaining flanged gate valve 29 links to each other with these two flanged gate valves 26,27 respectively.Described y-type filter 2 can keep good water quality, prevents to stop up, if y-type filter 2 breaks down and can adopt the bypass pipe that is provided with flanged gate valve 29 to supply water when clearing up.
Described secondary comprises the first wafer type butterfly valve for backwater bypass line 11, the second wafer type butterfly valve 7, check-valves 10, first connecting hose 9, second connecting hose 8 and frequency conversion water circulating pump 1, the described first wafer type butterfly valve links to each other with check-valves 10 with labyrinth water-water jet 3 respectively, described first connecting hose 9 links to each other with frequency conversion water circulating pump 1 with check-valves 10 respectively, described second connecting hose 8 links to each other with the second wafer type butterfly valve 7 with frequency conversion water circulating pump 1 respectively, the described second wafer type butterfly valve 7 links to each other with secondary water return pipeline 28 with secondary water-supply pipeline 22 respectively, and described frequency conversion water circulating pump 1 links to each other with controller 20.Described frequency conversion water circulating pump 1 make the secondary backwater in the secondary water return pipeline 28 be drawn in the labyrinth water-water jet 3 with a water supply line 12 in once supply water carry out good heat exchange after, supply with hot user as secondary water-supply.
Described controller 20 is according to the temperature sensor signal on an outdoor temperature sensor 21 and the secondary pipeline, for electric control valve and frequency conversion water circulating pump provide power supply, automatically regulate the aperture of electric control valve, regulate mixing ratio, to satisfy the needs of secondary piping flow and temperature.
Described connecting hose can alleviate vibrations, and described check-valves can prevent to flow backwards.Described controller 20 is by the temperature sensor 13 on outdoor temperature sensor 21 and the supply channel 12, the input signal Treatment Analysis of pressure sensor 14, give electric control valve and its aperture of frequency conversion circulating pump power adjustment, take suitable mixed proportion, regulate hot user's temperature, keep steady temperature.
Fig. 2 is the vertical view that the energy-efficient monoblock type of the utility model is mixed water heat exchange unit embodiment one.As shown in Figure 2, this mixed water heat exchange unit comprises water inlet 30, primary water mouth 31, secondary water inlet 32 and secondary water return outlet 33 one time.
Fig. 3 is the structural principle schematic diagram that the energy-efficient monoblock type of the utility model is mixed water heat exchange unit embodiment two, and Fig. 4 is the vertical view that the energy-efficient monoblock type of the utility model is mixed water heat exchange unit embodiment two.Shown in Fig. 3 and 4, be with embodiment one difference, described secondary is two for the quantity of backwater bypass line, and described two secondaries supply between the backwater bypass line parallel with one another, and link to each other with labyrinth water-water jet, secondary water-supply pipeline and secondary water return pipeline respectively.One of them secondary is for standby pipeline easy to maintenance and that be provided with when breaking down, to guarantee the reliability of heating for the backwater bypass line.
Illustrate:
Certain heat supply zone, original heating user is a radiator heating, its heating area is 300,000 m
2Because at present newly-increased good fortune Hua Xinyuan sub-district; this heating station area is 1.5 ten thousand m2; the heat exchange amount is 900kW, about floor height 15m, and its heating substantive requirements of form floor panel heating; 90/70 ℃ of original heating user's supply and return water temperature; for pressure of return water is 0.5/0.2MPa, and newly-built district requires supply and return water temperature: 60/45 ℃ is 0.45/0.28Mpa for pressure of return water.
As calculated, adopt traditional indirect heat exchange unit:
Recirculated water pump lift H:15.4m, flow Q:51.6t/h, power N:3.69 small pump lift H:19m, flow Q:2.6t/h
Adopt energy-efficient mixed water heat exchange unit:
Recirculated water pump lift H:13.2m, flow Q:34.4t/h, power N:2.28
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. an energy-efficient monoblock type is mixed water heat exchange unit, it is characterized in that, described mixed water heat exchange unit comprises water supply line one time, the primary water pipeline, the secondary water-supply pipeline, the secondary water return pipeline, secondary is for the backwater bypass line, labyrinth water-water jet and controller, a described water supply line, the primary water pipeline links to each other with the labyrinth water-water jet respectively for the backwater bypass line with secondary, described secondary water-supply pipeline and secondary water return pipeline are connected, described secondary is connected with secondary water-supply pipeline and secondary water return pipeline respectively for the backwater bypass line, described controller respectively with a water supply line, the primary water pipeline, the secondary water return pipeline links to each other for the backwater bypass line with secondary.
2. energy-efficient monoblock type according to claim 1 is mixed water heat exchange unit, it is characterized in that, a described water supply line is provided with electric control valve, temperature sensor and pressure sensor, and described electric control valve, temperature sensor and pressure sensor link to each other with controller respectively.
3. energy-efficient monoblock type according to claim 1 is mixed water heat exchange unit, it is characterized in that described primary water pipeline is provided with calorimeter, temperature sensor and pressure sensor, and described temperature sensor links to each other with controller respectively with pressure sensor.
4. energy-efficient monoblock type according to claim 1 is mixed water heat exchange unit, it is characterized in that described labyrinth water-water jet is provided with spring loaded safety valve and Pressure gauge.
5. energy-efficient monoblock type according to claim 1 is mixed water heat exchange unit, it is characterized in that described secondary water-supply pipeline is provided with flanged gate valve.
6. energy-efficient monoblock type according to claim 1 is mixed water heat exchange unit, it is characterized in that, described secondary water return pipeline is provided with three flanged gate valves, y-type filter, temperature sensor and pressure sensors, described temperature sensor links to each other with controller respectively with pressure sensor, described y-type filter is connected between two flanged gate valves, and a remaining flanged gate valve links to each other with these two flanged gate valves respectively.
7. energy-efficient monoblock type according to claim 1 is mixed water heat exchange unit, it is characterized in that, described secondary comprises the first wafer type butterfly valve for the backwater bypass line, the second wafer type butterfly valve, check-valves, first connecting hose, second connecting hose and frequency conversion water circulating pump, the described first wafer type butterfly valve links to each other with check-valves with the labyrinth water-water jet respectively, described first connecting hose links to each other with the frequency conversion water circulating pump with check-valves respectively, described second connecting hose links to each other with the second wafer type butterfly valve with the frequency conversion water circulating pump respectively, the described second wafer type butterfly valve links to each other with the secondary water return pipeline with the secondary water-supply pipeline respectively, and described frequency conversion water circulating pump links to each other with controller.
8. energy-efficient monoblock type according to claim 1 is mixed water heat exchange unit, it is characterized in that, also comprise differential pressure controller, described differential pressure controller links to each other with the secondary water return pipeline with the primary water pipeline respectively, links to each other with controller simultaneously.
9. energy-efficient monoblock type according to claim 1 is mixed water heat exchange unit, it is characterized in that, described secondary is two for the quantity of backwater bypass line, described two secondaries supply between the backwater bypass line parallel with one another, and link to each other with labyrinth water-water jet, secondary water-supply pipeline and secondary water return pipeline respectively.
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|---|---|---|---|
| CN2010205670473U CN201819312U (en) | 2010-10-19 | 2010-10-19 | Efficient and energy-saving integral-type mixing-water heat-exchange unit |
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| CN2010205670473U CN201819312U (en) | 2010-10-19 | 2010-10-19 | Efficient and energy-saving integral-type mixing-water heat-exchange unit |
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| CN201819312U true CN201819312U (en) | 2011-05-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340902A (en) * | 2018-10-17 | 2019-02-15 | 余宝法 | A kind of adjustment type water stream injection pump is for heat balance system and its balance method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340902A (en) * | 2018-10-17 | 2019-02-15 | 余宝法 | A kind of adjustment type water stream injection pump is for heat balance system and its balance method |
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| Date | Code | Title | Description |
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| 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: 20110504 Termination date: 20111019 |