CN101315205B - Direct connection intelligent water mixing machine set - Google Patents
Direct connection intelligent water mixing machine set Download PDFInfo
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- CN101315205B CN101315205B CN2008101350384A CN200810135038A CN101315205B CN 101315205 B CN101315205 B CN 101315205B CN 2008101350384 A CN2008101350384 A CN 2008101350384A CN 200810135038 A CN200810135038 A CN 200810135038A CN 101315205 B CN101315205 B CN 101315205B
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Abstract
The invention relates to a direct-connection intelligent water-mixing unit which comprises an electric control valve or electrical control pump, a cut-off valve, a solenoid valve, a water circulation pump, a frequency converter, a sensor and a controller. A part of the secondary return water is mixed with the primary water by the water circulation pump, thereby forming the direct connection with water-mixing loop. The water-mixing unit is characterized in that: the water circulation pump can automatically run according to the pressure difference of secondary return water; the controller can automatically control the opening of the electric control valve or electrical control pump according to the outdoor temperature to meet the flow and temperature requirements of the secondary pipeline; the switching valve is used for changing the position of the electric control valve or electrical control pump and to change position relationship between the water-mixing loop and the water circulation pump, so as to improve the adaptability to pressure of the primary pipeline; the solenoid valve is opened to release pressure when the pressure of the secondary pipeline is too high, thereby providing overpressure protection; and the water-mixing unit can automatically run and is safe for unattended operation. The direct-connection intelligent water-mixing unit has the advantages of no use of heat exchanger, water supplement pump and water supplement tank, high heat-exchange efficiency, low costs, low energy consumption and no strict limitation of pressure.
Description
Technical field:
The present invention relates to the heat supply process field, particularly a kind of direct connection intelligent mixes the water unit.
Background technology:
At present, be in the large area heating system of high-temperature-hot-water at heating medium, heat distribution pipe network and secondary heat distribution pipe network have two kinds of connected modes, i.e. the direct connected mode of mixing water loop of indirect connected mode and band by the heat exchanger heat exchange.
One, indirect connected mode
Two kinds of patterns are arranged in the present heat exchange station:
1, distributing
Heat exchange station is by forming equipment such as heat exchanger, water circulating pump, small pump, water supply tank, switch board, and equipment independent design type selecting, independence are purchased, and dispersed placement is in a heat exchange station usually.The problem that this pattern exists has, and the owner need face various device producer, the buying expenses height, and installation is coordinated many, and long construction period takes up an area of greatly, and the automatic control level is lower etc.
2, plate-type heat-exchange set type
Heat exchange station adopts plate-type heat-exchange unit, the i.e. whole heat transmission equipment of being made up of plate type heat exchanger, water circulating pump, small pump, frequency converter, valve, instrument, switch board etc.Details can be referring to nation-building ministerial standard " plate-type heat-exchange unit " CJT/191-2004.This pattern has to take up an area of than distributing to be lacked, and buying is simple, and the owner saves worry, the integrated automatic control degree of equipment advantages of higher.
More than the pattern of two kinds of heat exchange stations have following problem simultaneously: be indirect connection, all need this key equipment of heat exchanger, mean to consume the resistance that extra electric energy overcomes heat exchanger; All need water supply tank; All need small pump, all need independently level pressure;
Two, band mixes the direct connected mode of water loop
Dual mode is also arranged in the direct connection of the mixed water loop of present band:
1, adopts injector, when the once net of higher pressure comes water by injector the part backwater is sneaked into the secondary water-supply of the formation lower temperature that once supplies water.There is following problem in this mode, is not easy to the automatic adjusting of secondary water-supply temperature; The injector fibrous root is available pressure reduction in border and the design of secondary net resistance factually, and each thermal substation all may be different, and once the available pressure reduction of net usually can change, and heating effect is undesirable.
2, adopt mixed water water pump
Mixed water water pump is arranged on the centre of water supply and water return pipeline usually, and pump handle part backwater is got in the supply channel and gone, and supply water temperature is reduced, and satisfies user's requirement.The same automatic adjusting that is not easy to the secondary water-supply temperature, incompatibility ductwork pressure working conditions change, the unfavorable problem of heating effect of existing of this mode.
Summary of the invention:
The objective of the invention is to overcome the shortcoming that exists in the prior art, provide a kind of a kind of direct connection intelligent cheap, energy-conservation and that pressure is applied widely to mix the water unit.
To achieve these goals, the invention provides a kind of direct connection intelligent and mix the water unit, comprise that supply channel, primary water pipeline, the secondary water-supply pipeline that is connected with supply channel, the secondary water return pipeline, the two ends that are connected with the primary water pipeline are separately positioned on the mixed water lines of supply channel and secondary water-supply pipeline joint and primary water pipeline and secondary water return pipeline joint, wherein:
Be provided with the bypass line that once supplies water between a described supply channel and the described secondary water-supply pipeline, the described bypass line that once supplies water is provided with other for Shuttoff Valve;
Be provided with the primary water bypass line between described secondary water-supply pipeline and the described primary water pipeline, described primary water bypass line is provided with the other Shuttoff Valve that returns;
Described mixed water lines is provided with mixes the water Shuttoff Valve;
A described supply channel of the joint both sides of a described supply channel and the described bypass line that once supplies water is provided with water supply Shuttoff Valve A and water supply Shuttoff Valve B;
Described secondary water-supply pipeline is provided with water circulating pump, and the described joint that once supplies water bypass line and described secondary water-supply pipeline is positioned on delivery port one side of described water circulating pump;
Described primary water pipeline is provided with the backwater Shuttoff Valve, and described backwater Shuttoff Valve is arranged between the joint of the joint of described primary water pipeline and described primary water bypass line and described primary water pipeline and described mixed water lines;
Be provided with between a described supply channel and the described primary water pipeline and once supply the return pipe road, be provided with between a described supply channel and the described primary water bypass line and once supply other return pipe road, a described supply channel and described once for return pipe road and the described both sides that once lay respectively at described water supply Shuttoff Valve A for the joint on other return pipe road, the described joint that once supplies return pipe road and described primary water pipeline is between the joint of described backwater Shuttoff Valve and described mixed water lines and described primary water pipeline, and the described joint of other return pipe road and described primary water bypass line that once supplies returns between the Shuttoff Valve on the joint and the described side of described primary water pipeline and described primary water bypass line;
Described once for return pipe road and described once for being provided with the control valve pipeline between the other return pipe road, described control valve pipeline is provided with electric control valve or motorized adjustment pump;
Described once being provided with for the return pipe road of the joint both sides of described once confession return pipe road and described control valve pipeline supplies back Shuttoff Valve C and supplies back Shuttoff Valve D;
Described control valve pipeline and describedly once once be provided with for the other Shuttoff Valve E of returning with for the other Shuttoff Valve F of returning for other return pipe road for the described of joint both sides on other return pipe road.
Also be provided with magnetic valve on the described secondary water return pipeline, described magnetic valve is connected on the described controller.
The outdoor temperature sensor that also is provided with controller and is connected with described controller, described electric control valve or motorized adjustment pump are connected on the described controller, and described water circulating pump is connected on the described controller by frequency converter;
Be provided with pressure sensor and temperature sensor on a described supply channel, described secondary water-supply pipeline and the described secondary water return pipeline, and described pressure sensor and described temperature sensor are connected to all on the described controller.
Also be provided with the maintenance Shuttoff Valve on the described secondary water-supply pipeline of described water circulating pump both sides.
The outstanding advantage of the present invention is:
One, cost is low, compares with the plate-type heat-exchange unit, and the present invention does not need heat exchanger, small pump and small pump frequency conversion, water supply tank, and cost is lower.
Two, energy-conservation, water circulating pump does not need to overcome the heat exchanger resistance, only need overcome secondary pipeline and indoor resistance, pump head is generally at 10-16 rice, and the water circulating pump lift of band heat exchanger is generally at 20-32 rice, and installation power descends about 50%, adopt converting operation simultaneously, the water circulating pump power consumption is reduced greatly, do not have the small pump power consumption again, power savings is remarkable.If secondary pipeline recirculated water kinetic energy is provided by a pipeline, water circulating pump operates in and mixes on the water lines, and water circulating pump only need be carried the energy consumption of mixing discharge, and this kind operating mode is more energy-conservation.
Three, intelligence, by switch valve, it is wide that unit is suitable for the pressure working condition scope, can satisfy district heating pipe network needs substantially.The ductwork pressure working conditions change only needs switch valve when big, can not satisfy the pressure working condition needs and do not need just to transform.Water circulating pump moves automatically according to the pressure sensor numerical value that is arranged on secondary water-supply pipeline and secondary water return pipeline, to satisfy the needs that the secondary piping flow changes.Controller is according to being arranged in outdoor temperature sensor numerical value, automatically regulate the aperture of the electronic mediation valve that is connected the primary side pipeline, make the primary side changes in flow rate, mixed secondary side supply water temperature is changed, thereby satisfy the needs that are connected secondary pipeline user indoor temperature, can realize full-automatic unmanned operation on duty.
Four, improve a carrying capacity of a pipeline, because the primary water temperature is identical with the secondary return water temperature, compare with the heat exchanger heat exchange, return water temperature does not have the temperature difference, a pipeline temperature difference operation greatly.The conveying power consumption of a pipeline can be reduced, pipe capacity can be improved one time simultaneously.
Description of drawings:
Fig. 1 is the overall structure principle schematic of the embodiment of the invention.
The specific embodiment:
Its design agents mechanism comprised supply channel 1 one time when embodiments of the invention were implemented, primary water pipeline 2, secondary water-supply pipeline 3, secondary water return pipeline 4, bypass line 5 once supplies water, primary water bypass line 6, mix water lines 7, electric control valve or motorized adjustment pump 8, water circulating pump 9, frequency converter 10, controller 11, magnetic valve 12, supply back Shuttoff Valve C 13, water supply Shuttoff Valve A 14, for the other Shuttoff Valve E 15 that returns, supply back Shuttoff Valve D 16, for the other Shuttoff Valve F 17 that returns, mix water Shuttoff Valve 18, water supply Shuttoff Valve B 19, other for Shuttoff Valve 20, the other Shuttoff Valve 21 that returns, backwater Shuttoff Valve 22, a pressure of supply water sensor 23, secondary water-supply pressure sensor 24, secondary pressure of return water sensor 25, a supply water temperature sensor 26, secondary water-supply temperature sensor 27, secondary return water temperature sensor 28, outdoor temperature sensor 29, once supply return pipe road 30, regulate pipeline 31, once for other return pipe road 32 and maintenance Shuttoff Valve 33.Wherein, the two ends of mixing water lines 7 be separately positioned on the joint of supply channel 1 and secondary water-supply pipeline 3 and the joint of primary water pipeline 2 and secondary water return pipeline 4 on, be provided with the bypass line 5 that once supplies water between supply channel 1 and the secondary water-supply pipeline 3, the bypass line 5 that once supplies water is provided with other for Shuttoff Valve 20; Be provided with primary water bypass line 6 between secondary water-supply pipeline 3 and the primary water pipeline 2, primary water bypass line 6 is provided with the other Shuttoff Valve 21 that returns; Mix water lines 7 and be provided with mixed water Shuttoff Valve 18; A supply channel 1 of the joint both sides of a supply channel 1 and the bypass line 5 that once supplies water is provided with water supply Shuttoff Valve A14 and water supply Shuttoff Valve B19; Secondary water-supply pipeline 3 is provided with water circulating pump 9, and the joint of once supply water bypass line 5 and secondary water-supply pipeline 3 is positioned on delivery port one side of water circulating pump 9; Primary water pipeline 2 is provided with backwater Shuttoff Valve 22, and backwater Shuttoff Valve 22 is arranged between the joint of the joint of primary water pipeline 2 and primary water bypass line 6 and primary water pipeline 2 and mixed water lines 7; Be provided with between supply channel 1 and the primary water pipeline 2 and once supply return pipe road 30, be provided with between supply channel 1 and the primary water bypass line 6 and once supply other return pipe road 32, supply channel 1 with once for return pipe road 30 and once two joints on the other return pipe of confession road 32 lay respectively at the both sides of water supply Shuttoff Valve A14, the joint that once supplies return pipe road 30 and primary water pipeline 2 is between the joint of backwater Shuttoff Valve 22 and mixed water lines 7 and primary water pipeline 2, and once the joint for other return pipe road 32 and primary water bypass line 6 returns between the Shuttoff Valve 21 on the joint and the side of primary water pipeline 2 and primary water bypass line 6; Once for return pipe road 30 with once for being provided with control valve pipeline 31 between the other return pipe road 32, control valve pipeline 31 is provided with electric control valve or motorized adjustment pump 8; Once supply back Shuttoff Valve C13 and supply back Shuttoff Valve D16 for return pipe road 30 for once being provided with of joint both sides of return pipe road 30 with control valve pipeline 31; Control valve pipeline 31 returns Shuttoff Valve E15 and supplies the other Shuttoff Valve F17 of returning with once being provided with for the side for other return pipe road 32 of the joint both sides that once supply other return pipe road 32.
The outdoor temperature sensor 29 that also is provided with controller 11 and is connected with controller 11, electric control valve or motorized adjustment pump 8 are connected on the controller 11, and water circulating pump 9 is connected on the controller 11 by frequency converter 10; One time supply channel 1 is provided with pressure sensor 23 and temperature sensor 26, secondary water-supply pipeline 3 is provided with pressure sensor 24 and temperature sensor 27, secondary water return pipeline 4 is provided with pressure sensor 25 and temperature sensor 28, and pressure sensor 23,24 and 25 and temperature sensor 26,27 and 28 all be connected on the controller 11.
Also be provided with magnetic valve 12 on the secondary water return pipeline 4, magnetic valve 12 is connected on the controller 11.
Also be provided with maintenance Shuttoff Valve 33 on the secondary water-supply pipeline 3 of water circulating pump 9 both sides.
For a better understanding of the present invention, below when giving tacit consent to that pressure of supply water is greater than pressure of return water in pipeline, under the different situations of the design pressure of loine pressure and secondary pipeline, direct connection intelligent of the present invention mixes the use of water unit, and the present invention will be described:
One, a loine pressure is lower than under the secondary circuit design pressure working condition:
As shown in Figure 1, it is the overall structure principle schematic of the embodiment of the invention.When a loine pressure is lower than secondary circuit design pressure, close and supply back Shuttoff Valve C13, for the other Shuttoff Valve E15 that returns, other for Shuttoff Valve 20, the other Shuttoff Valve 21 that returns, backwater Shuttoff Valve 22, cut off corresponding pipe path, all the other Shuttoff Valves are communicated with the corresponding pipeline path, at this moment, electric control valve 8 is connected on the primary water pipeline 2, make the pressure of secondary water return pipeline 4 be higher than the pressure of primary water pipeline 2, water circulating pump 9 is connected on and makes secondary water-supply pressure be higher than the pressure of a supply channel 1 on the secondary water-supply pipeline 3, thereby has improved the operating pressure of whole secondary pipeline.
Water circulating pump 9 makes secondary backwater partial discharge mix with once supplying water through overmulling water lines 7; Water circulating pump 9 moves automatically according to being arranged on the numerical value of the secondary water-supply pressure sensor 24 on the secondary water-supply pipeline 3 and the numerical value of the secondary pressure of return water sensor 25 on the secondary water return pipeline 4 or both differences, satisfies the needs that the secondary piping flow changes; Controller 11 is according to the numerical value that is arranged in outdoor outdoor temperature sensor 29, automatically regulate the aperture that is connected the electric control valve 8 on the primary water pipeline 2, a piping flow is changed, the water temperature of mixed secondary water-supply pipeline 3 is changed, thereby satisfy the needs that are connected the user indoor temperature on the secondary pipeline.
Two, a loine pressure is higher than under the secondary circuit design pressure working condition:
As shown in Figure 1, it is the overall structure principle schematic of the embodiment of the invention.When a loine pressure is higher than secondary circuit design pressure, close water supply Shuttoff Valve A14, supply back Shuttoff Valve D 16, for the other Shuttoff Valve F 17 that returns, water supply Shuttoff Valve B 19, backwater Shuttoff Valve 22, cut off corresponding pipe path, all the other Shuttoff Valves are communicated with the corresponding pipeline path, at this moment, electric control valve 8 is connected on supply channel 1, make the pressure of secondary water-supply pipeline 3 be lower than the pressure of a supply channel 1, water circulating pump 9 is connected on and makes the secondary pressure of return water be lower than the pressure of primary water pipeline 2 on the secondary water return pipeline 4, thereby has reduced the operating pressure of whole secondary pipeline.
Water circulating pump 9 makes secondary backwater partial discharge mix with once supplying water, and mixing point is in the outlet of water circulating pump 9; Water circulating pump 9 moves automatically according to being arranged on the numerical value of the secondary water-supply pressure sensor 24 on the secondary water-supply pipeline 3 and the numerical value of the secondary pressure of return water sensor 25 on the secondary water return pipeline 4 or both differences, satisfies the needs that the secondary piping flow changes; Controller 11 is according to the numerical value that is arranged in outdoor outdoor temperature sensor 29, automatically regulate the aperture that is connected an electric control valve 8 on the supply channel 1, a piping flow is changed, mixed secondary water-supply pipeline 3 water temperatures are changed, thereby satisfy the needs that are connected the user indoor temperature on the secondary pipeline.
Three, loine pressure is in secondary circuit design pressure limit under the operating mode:
As shown in Figure 1, it is the overall structure principle schematic of the embodiment of the invention.When a loine pressure in secondary circuit design pressure limit, and one time the loine pressure difference needs under the operating mode of pressure reduction greater than the secondary pipeline, close water supply Shuttoff Valve A14, supply back Shuttoff Valve D16, return Shuttoff Valve 21 for other time Shuttoff Valve F17, water supply Shuttoff Valve B19, side, cut off corresponding pipe path, all the other Shuttoff Valves are communicated with the corresponding pipeline path, at this moment, electric control valve 8 is connected on supply channel 1, and water circulating pump 9 is connected on and mixes on the water lines 7.
Water circulating pump 9 makes secondary backwater partial discharge mix with once supplying water, and mixing point is in the outlet of water circulating pump 9; Water circulating pump 9 moves automatically according to being arranged on the numerical value of the secondary water-supply pressure sensor 24 on the secondary water-supply pipeline 3 and the numerical value of the secondary pressure of return water sensor 25 on the secondary water return pipeline 4 or both differences, satisfies the needs that the secondary piping flow changes; Controller 11 is according to the numerical value that is arranged in outdoor outdoor temperature sensor 29, automatically regulate the aperture that is connected an electric control valve 8 on the supply channel 1, a piping flow is changed, mixed secondary water-supply pipeline 3 water temperatures are changed, thereby satisfy the needs that are connected the user indoor temperature on the secondary pipeline.
More than among three embodiment, acquiescence is that pressure of supply water, then changes electric control valve into the motorized adjustment pump and gets final product if pressure of supply water is lower than pressure of return water in pipeline greater than pressure of return water in pipeline, other is constant.
By water circulating pump 9 secondary backwater partial discharge is mixed with once supplying water, constitute the direct connection that band mixes water loop; Water circulating pump 9 moves for backwater pressure reduction automatically according to secondary, and controller 11 is regulated the aperture of electric control valve or motorized adjustment pump 8 automatically according to outdoor temperature, to satisfy the needs of secondary piping flow and temperature; Change the position and the position relation of the mixed water loop 7 of change of electric control valve or motorized adjustment pump 8 by the Shuttoff Valve that switches respective combination, make loine pressure of adaptation wider with water circulating pump 9.
Open magnetic valve 12 during secondary pipeline superpressure and carry out decompression protection, can realize full-automatic unmanned operation on duty.
Direct connection intelligent of the present invention mixes pipeline one side of water unit and is connected to heating plant, secondary pipeline side is connected in the user family, adopt band to mix the direct connected mode of water loop, electric control valve or motorized adjustment pump 8, Shuttoff Valve, magnetic valve 12, water circulating pump 9, frequency converter 10, temperature and pressure sensor, controller 11 is integrated, constitute direct connection intelligent and mix the water unit, change the position of electric control valve or motorized adjustment pump 8 by the Shuttoff Valve that switches respective combination, change the position relation of mixing water loop 7 and water circulating pump 9, make pressure adaptation wider; The ductwork pressure working conditions change only needs switch valve when big, can not satisfy the pressure working condition needs and do not need just to transform.Can realize that the temperature of secondary pipeline one side regulates automatically, and well solve the problem of loine pressure and secondary loine pressure coupling.In addition, do not establish heat exchanger, small pump, water supply tank, make the heat exchange efficiency height, cost is low, and power consumption is low.
Claims (7)
1. a direct connection intelligent mixes the water unit, comprise that supply channel, primary water pipeline, the secondary water-supply pipeline that is connected with supply channel, the secondary water return pipeline, the two ends that are connected with the primary water pipeline are separately positioned on the mixed water lines of supply channel and secondary water-supply pipeline joint and primary water pipeline and secondary water return pipeline joint, is characterized in that:
Be provided with the bypass line that once supplies water between a described supply channel and the described secondary water-supply pipeline, the described bypass line that once supplies water is provided with other for Shuttoff Valve;
Be provided with the primary water bypass line between described secondary water-supply pipeline and the described primary water pipeline, described primary water bypass line is provided with the other Shuttoff Valve that returns;
Described mixed water lines is provided with mixes the water Shuttoff Valve;
A described supply channel of the joint both sides of a described supply channel and the described bypass line that once supplies water is provided with water supply Shuttoff Valve A and water supply Shuttoff Valve B;
Described secondary water-supply pipeline is provided with water circulating pump, and the described joint that once supplies water bypass line and described secondary water-supply pipeline is positioned on delivery port one side of described water circulating pump;
Described primary water pipeline is provided with the backwater Shuttoff Valve, and described backwater Shuttoff Valve is arranged between the joint of the joint of described primary water pipeline and described primary water bypass line and described primary water pipeline and described mixed water lines;
Be provided with between a described supply channel and the described primary water pipeline and once supply the return pipe road, be provided with between a described supply channel and the described primary water bypass line and once supply other return pipe road, a described supply channel and described once for return pipe road and the described both sides that once lay respectively at described water supply Shuttoff Valve A for the joint on other return pipe road, the described joint that once supplies return pipe road and described primary water pipeline is between the joint of described backwater Shuttoff Valve and described mixed water lines and described primary water pipeline, and the described joint of other return pipe road and described primary water bypass line that once supplies returns between the Shuttoff Valve on the joint and the described side of described primary water pipeline and described primary water bypass line;
Described once for return pipe road and described once for being provided with the control valve pipeline between the other return pipe road, described control valve pipeline is provided with electric control valve or motorized adjustment pump;
Described once being provided with for the return pipe road of the joint both sides of described once confession return pipe road and described control valve pipeline supplies back Shuttoff Valve C and supplies back Shuttoff Valve D;
Described control valve pipeline and describedly once once be provided with for the other Shuttoff Valve E of returning with for the other Shuttoff Valve F of returning for other return pipe road for the described of joint both sides on other return pipe road.
2. direct connection intelligent according to claim 1 mixes the water unit, it is characterized in that: also be provided with magnetic valve on the described secondary water return pipeline, described magnetic valve is connected on the described controller.
3. direct connection intelligent according to claim 1 and 2 mixes the water unit, it is characterized in that:
The outdoor temperature sensor that also is provided with controller and is connected with described controller, described electric control valve or motorized adjustment pump are connected on the described controller, and described water circulating pump is connected on the described controller by frequency converter;
Be provided with pressure sensor and temperature sensor on a described supply channel, described secondary water-supply pipeline and the described secondary water return pipeline, and described pressure sensor and described temperature sensor are connected to all on the described controller.
4. direct connection intelligent according to claim 3 mixes the water unit, it is characterized in that: described pressure sensor on the described supply channel and described temperature sensor are arranged on a described supply channel and the described outside that once supplies return pipe road joint, described pressure sensor on the described secondary water-supply pipeline and described temperature sensor are arranged on the outside of described secondary water-supply pipeline and the described bypass line joint that once supplies water, and described pressure sensor on the described secondary water return pipeline and described temperature sensor are arranged between the joint and described magnetic valve of described mixed water lines and described secondary water return pipeline.
5. direct connection intelligent according to claim 3 mixes the water unit, it is characterized in that: described pressure sensor on the described supply channel and described temperature sensor are arranged on a described supply channel and the described outside that once supplies return pipe road joint, described pressure sensor on the described secondary water-supply pipeline and described temperature sensor are arranged on the outside of described secondary water-supply pipeline and the described bypass line joint that once supplies water, and described pressure sensor on the described secondary water return pipeline and described temperature sensor are arranged between the joint and described magnetic valve of described mixed water lines and described secondary water return pipeline.
6. direct connection intelligent according to claim 4 mixes the water unit, it is characterized in that: also be provided with the maintenance Shuttoff Valve on the described secondary water-supply pipeline of described water circulating pump both sides.
7. direct connection intelligent according to claim 5 mixes the water unit, it is characterized in that: also be provided with the maintenance Shuttoff Valve on the described secondary water-supply pipeline of described water circulating pump both sides.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101350384A CN101315205B (en) | 2008-07-29 | 2008-07-29 | Direct connection intelligent water mixing machine set |
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| CN2008101350384A CN101315205B (en) | 2008-07-29 | 2008-07-29 | Direct connection intelligent water mixing machine set |
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| CN101315205A CN101315205A (en) | 2008-12-03 |
| CN101315205B true CN101315205B (en) | 2010-06-23 |
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| CN2008101350384A Expired - Fee Related CN101315205B (en) | 2008-07-29 | 2008-07-29 | Direct connection intelligent water mixing machine set |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900374A (en) * | 2010-08-31 | 2010-12-01 | 天津市冠成钢品制造有限公司 | Unattended central heat supply monitoring station |
| CN102798259B (en) * | 2012-08-31 | 2014-04-30 | 浙江科维节能技术股份有限公司 | Method for reducing energy consumption of water pump of cooling circulating water system |
| EP3399246A1 (en) * | 2017-05-02 | 2018-11-07 | E.ON Sverige AB | District energy distributing system and method of providing mechanical work and heating heat transfer fluid of a district thermal energy circuit |
| EP3399247A1 (en) * | 2017-05-02 | 2018-11-07 | E.ON Sverige AB | District energy distributing system |
| CN107687668A (en) * | 2017-08-17 | 2018-02-13 | 太原大四方节能环保有限公司 | A kind of adaptive dynamic thermal load regulation and control method of heating system |
| CN110608462A (en) * | 2019-10-08 | 2019-12-24 | 瑞纳智能设备股份有限公司 | Proportional intelligent mixed energy heat exchange unit and control method |
| CN111442321A (en) * | 2020-04-24 | 2020-07-24 | 瑞纳智能设备股份有限公司 | Multifunctional heat exchanger unit and adjusting method thereof |
| CN114440297B (en) * | 2022-01-12 | 2023-08-18 | 深圳市紫衡技术有限公司 | Energy-saving control method, system, equipment and medium for heating system |
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| CN200946867Y (en) * | 2006-08-30 | 2007-09-12 | 栾永辉 | Direct supply water-mixing apparatus for heating |
| CN101206098A (en) * | 2006-12-22 | 2008-06-25 | 北京同方冷热科技有限公司 | Water-mixing device for waterhead heat pump units |
| CN101143308A (en) * | 2007-07-20 | 2008-03-19 | 哈尔滨工业大学 | Water mixer capable of bi-directional mixing water and regulating water mixing proportion in heat-supplying running |
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| Publication number | Publication date |
|---|---|
| CN101315205A (en) | 2008-12-03 |
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