CN1234998C - Individual household heat supply system - Google Patents
Individual household heat supply system Download PDFInfo
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- CN1234998C CN1234998C CN 01104262 CN01104262A CN1234998C CN 1234998 C CN1234998 C CN 1234998C CN 01104262 CN01104262 CN 01104262 CN 01104262 A CN01104262 A CN 01104262A CN 1234998 C CN1234998 C CN 1234998C
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- water
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- hot water
- pipeline
- boiler
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- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The present invention relates to an individual household heat supply system which combines a solar heat collector with a boiler heating system, and belongs to a living room and dwelling house hot water supply and indoor heating system. The individual household heat supply system is mainly composed of the solar heat collector, a boiler and a pipeline transmission system, wherein the solar heat collector is positioned on the top of buildings, and the pipeline transmission system is composed of a hot water circulating pipeline, a hot air circulating pipeline and a control valve; the hot water circulating pipeline in the pipeline transmission system is connected with the solar heat collector, and the hot air circulating pipeline is connected with the boiler; the hot water circulating pipeline is organically combined with the hot air circulating pipeline. The present invention has the advantages of reasonable structure, order layout, energy saving and water resource waste decrease.
Description
Technical field
The present invention relates to a kind of individual household heat supply system that solar thermal collector and boiler heating system are combined, belong to room, domestic hot-water supply indoor heating system.
Background technology
At present, adopt heating systems such as boiler or solar thermal collector that hot water is provided during hotel, school, office building or apartment, residential neighborhoods etc. build a building mostly, use with convenient.But there are the following problems for existing boiler or solar energy: (1) shared thermal storage water tank, open valve in the time of can water occurring, when emitting hot water, the water in the water storage tank just constantly reduces, need the special messenger after a period of time and be responsible for retaining in water tank, otherwise lack of water in the water tank can occur.In addition, concerning residential neighborhoods,, a shared water tank do not save problem because not being subjected to self water meter control water can occur; (2) owing to a shared thermal storage water tank, and the user is connected by pipeline with the thermal storage water tank, and separated by a distance, and pipe-line is different in size, and a large amount of heats distribute and loss in pipeline.In addition because water is discontinuous, and the hot water that stops in the pipeline cools off because of heat radiation, treat that user's time spent must drain ducted cold water after, just can use hot water, cause the waste of water resource like this, bring too much water rate spending to the user simultaneously.
Summary of the invention
The purpose of this invention is to provide a kind of individual household heat supply system, the heat that not only can reduce in the delivery process scatters and disappears, and can economize on resources, and is user-friendly to.
The designed individual household heat supply system of the present invention mainly is made of solar thermal collector, water tank, boiler and pipeline transmission system, solar thermal collector is positioned at top of building, the pipeline transmission system mainly is made of hot water circulating pipeline, heating installation circulation line and by-pass valve control, hot water circulating pipeline in the pipeline transmission system is connected with solar thermal collector, and the heating installation circulation line is connected with boiler; In each user room, feed heating installation circulation line and hot water circulating pipeline, be connected and installed radiator in the heating installation circulation line, be connected and installed heat conduction water tank in the hot water circulating pipeline, in heat conduction water tank, heat exchanger is installed, heat exchanger is communicated with hot water circulating pipeline, temperature controller and by-pass valve control are installed in the hot water circulating pipeline of solar heat collector end, in the heating installation circulation line of boiler end, water pump and by-pass valve control are installed, the outlet pipeline of boiler is communicated with hot water circulating pipeline, water pump and by-pass valve control are installed on it, hot water house steward in the hot water circulating pipeline is communicated with the total return pipe that passes to boiler, control itself and the conduction status of total return pipe by by-pass valve control, each by-pass valve control and water pump are controlled by master controller; Water tank is positioned at top of building, is higher than solar thermal collector, and water tank is connected with hot water circulating pipeline by upper hose, and upper hose is connected with the electronic valve that is used to control rate of water make-up.
Temperature controller in the designed individual household heat supply system of the present invention is connected with water pump, in order to starting water pump, impels hot water circuit.
The circuit of the temperature controller in the designed individual household heat supply system of the present invention is mainly by thermistor (R
4), resistance (R
1, R
2, R
3) and triode (T
2) bridge circuit and the battery (E that form
1, E
2), relay (J
51) and relay (J
52) constitute relay (J
52) constitute by coil and normal opened contact (2,3,4), normal opened contact (2,3,4) is installed on the corresponding three-phase power line that links to each other with water pump, relay (J
51) and relay (J
52) coil corresponding, relay (J
51) two ends respectively with triode (T
2) colelctor electrode and emission collection be connected relay (J
52) coil be connected with two live wires of power supply.
Water compensating valve circuit in the designed individual household heat supply system of the present invention is by the level sensor in the water tank, battery (E
3), triode (T
1), relay (J
1), relay (J
2) and electronic valve connect and compose contactor (J
2) in coil by relay (J
1) normally closed contact receive two live wires of the three phase mains that is used to control the electronics valve actuation.
User's water tank of the individual household heat supply system that the present invention is designed mainly floats valve, heat exchanger, overflow pipe, upper hose and Draw off valve by casing, water and constitutes, overflow pipe and heat exchanger are positioned at casing, Draw off valve is positioned at lower box, be used to provide hot water, upper hose passes in the heat conduction water tank, floats valve control automatic water supplement by water.
The designed individual household heat supply system of the present invention is mainly provided the heating of water in heating and each family water tank winter by boiler when using, the heating circulation of solar thermal collector donkey boiler; The working medium that then provide heat exchange to use by solar thermal collector other season.In the time of in the winter time, valve open in the heating installation circulation line of boiler end, starting mode of pump, promote to transmit boiler working medium, enter on the heating installation supply mains on supply mains and the Re conduction water tank, on the heating installation among the supply mains working medium enter each family steam heating pipe, sheet, heat, the working medium after the heat exchange is in heating installation is back to total return pipe of boiler; Flow through and flow into solar thermal collector after the heat exchange pipe heat radiation at each family and absorb heat and feed working medium among the last supply mains of heat conduction water tank, then through the hot-water circulation pipe to the solar heat supply mains, this moment is because the solar heat supply mains passes to the supply mains's of heat conduction water tank valve closing, and the valve open that is connected with total return pipe of boiler, therefore the working medium among the solar heat supply mains flows back in total return pipe of boiler, absorbed the working medium of solar energy this moment and working medium that heating pipeline loops back is converged, improve the temperature of backwater working medium, return the boiler heating.When weather is colder, the water pump continuous firing that the heating installation circulation line of boiler is communicated with, boiler continues to provide heat, to improve the temperature of heating of house and heat supply water; And when weather is gradually warm, can stop the boiler heating, and provide hot water to provide hot water by solar thermal collector for the heating installation return pipe, improve return water temperature, pass to the heating installation circulation line by water pump again.And do not need season of heating at other, boiler quits work, close the valve on boiler and the heating installation circulation line, open each valve in the solar heat water circulation pipe, by solar thermal collector is thermal source, absorb heat, when reaching uniform temperature, the heat absorption of the working medium in the solar thermal collector then sends signal by the temperature controller among the hot water line of solar thermal collector connection, automatically start the water pump on its circulation line, impel solar energy system to quicken circulation, the working medium of heat is entered the hot water house steward through the hot-water circulation pipe, be passed to heat conduction water tank upper hose by the hot water house steward again, in overheated conducting water case upper hose is delivered to hot working fluid the heat exchanger of each indoor heat conduction water tank, carry out heat exchange, be back in the heat collector return pipe after the hot working fluid exchange in the heat exchanger, flow back in the solar thermal collector again.Water pump is quit work by water temperature control, and water pump starts again when treating heat collector thermal-arrest is to uniform temperature once more.Moving in circles like this rejects heat in user's the heat conduction water tank for user's use solar thermal energy exchange, and water temperature reaches unanimity in the pipeline.Each valve in the above-mentioned course of work and the working condition of water pump are controlled by master controller.
The advantage of the individual household heat supply system that the present invention is designed is:
1. rational in infrastructure, layout is neat, solar water does not directly use for the user, but transmit working medium by pipeline, and in the working medium pipeline, heat exchanger is installed, heat exchanger is sub-packed in the heat conduction water tank at each family, utilize the principle of heat conducting and radiating that solar energy is dispersed in each user's heat conduction water tank, use for the user, can save the energy greatly like this, and reduce when making water because of emitting the phenomenon of a large amount of waste water resources of cold water in the water pipe;
2. cooperate boiler heating in winter, reduce boiler fired coal, energy savings forms two thermals source of solar thermal collector and boiler and organically combines energy complement;
3. make things convenient for the user, collective's heat supply divides the family to supply with, and adds water by user oneself to each family heat conduction water tank, reduces collective's water tank moisturizing difficulty and water-saving problem.
The designed individual household heat supply system of the present invention mainly is applicable to be provided before the heating of hot water and indoor boiler and heating back each the moon, cold problem of about one month for the building four seasons below 15 layers.
Description of drawings
Fig. 1 is the structural representation of individual household heat supply system of the present invention.
Fig. 2 is a solar thermal collector structural representation among Fig. 1.
Fig. 3 is a heat exchange water box structure schematic diagram among Fig. 1.
Fig. 4 is a moisturizing control structure schematic diagram among Fig. 1.
Fig. 5 is the circuit controling drawing of temperature controller among Fig. 1.
The specific embodiment
In conjunction with specific embodiments individual household heat supply system of the present invention is described in detail with reference to the accompanying drawings below.
Embodiment individual household heat supply system as shown in Figure 1 is mainly by solar thermal collector 01, boiler 02, and the pipeline transmission circulatory system constitutes, solar thermal collector 01 is positioned at top of building, the pipeline transmission system mainly reaches the heating installation circulation line that is connected with boiler by the hot water circulating pipeline that is connected with solar thermal collector 01 and constitutes, at indoor heating installation section of jurisdiction 03 and the heat conduction water tank 04 of being equipped with of each user.Mainly supply mains 13, heat exchanger 08 and water tank 09, upper hose 10, cold water pipeline 11 constitute hot water circulating pipeline on water pipe 05, hot-water circulation pipe 06, solar heat supply mains 07, the heat conduction water tank by looping back; The heating installation circulation line mainly comprises supply mains 14 on the heating installation, heating installation return pipe 15 and total return pipe 16, heating installation section of jurisdiction 03 is connected by supply mains 14, heating installation return pipe 15 on pipeline and the heating installation, last supply mains 14 is connected with boiler 02 hot water outlet, heating installation return pipe 15 is connected with total return pipe 16, total return pipe 16 passes to the water return outlet of boiler 02, the supply mains is equipped with 1 ' # water pump near boiler end on heating installation, in the drawings
Symbol is all represented water pump, and 1 ' # water pump is used for promoting circulation.And in the hot water circulating pipeline, hot-water circulation pipe 06 is connected with solar thermal collector 01, hot water circulating pipeline is connected with on solar heat supply mains 07, the heat conduction water tank supply mains 13, heat exchanger 08 in turn and loops back water pipe 05, loops back water pipe 05 and is connected to form the hot water circuit system with solar thermal collector 01.And temperature controller 17 is being installed near among the hot-water circulation pipe 06 of solar thermal collector 01 end, between the supply mains 13 4#, 5# valve and 2 ' # water pump are being installed on solar heat supply mains 07 and the heat conduction water tank, among the figure
Symbol is all represented valve.Cycle fluid has certain loss in the heat cycles process, therefore water replanishing device is installed also, and water replanishing device is made of water tank 09 and upper hose 10, and water tank 09 is higher than solar thermal collector 01, and upper hose 10 connects water tank 09 and solar heat supply mains 07; For discharge water, exhaust and convenient, have low water curved 18 and 6#, 9# by-pass valve control in the bottom of upper hose 10.Upper hose 10 is connected with cold water pipeline 11 in building by the 2# electronic valve, controls the water yield in the water tank 09 automatically by the 2# electronic valve; The moisturizing of boiler then is connected with cold water pipeline 11 by 1# valve and pipeline.Cold water pipeline 11 passes to each user, and each user's heat conduction water tank 04 is connected with cold water pipeline 11 by upper hose 12 and 3# valve.Control the 3# valve separately by the user, to replenish the moisturizing of each family heat conduction water tank 04.At boiler 02 end, by connecting line hot water circulating pipeline and heating installation circulation line are organically combined, that is: solar heat supply mains 07 is connected with total return pipe 16 by 4# valve and pipeline near the boiler place, and supply mains 13 is connected with 1 ' # water pump by a pipeline in 5# valve rear end on the heat conduction water tank, has the 10# valve on this pipeline.Each above-mentioned valve and water pump are controlled automatically by controller 19.
Solar thermal collector 01 is existing product as shown in Figure 2, has adopted high borosilicate black glass vacuum tube, by the direct projection and the reflection of sunlight, absorbs solar heat, is accumulated in the water.
Heat is conducted water tank 04 as shown in Figure 3, and inner water tank is manufactured by enamelware, and crust is a duroplasts, the intermediate urethane foamed heat insulating.Except that having heat exchanger 08, also have overflow pipe 35, gap 32, Draw off valve 33, water and float valve 34 in the casing 31, be used for controlling automatically water inlet, spilling water and discharge water.
The make-up water supply control system of water tank 09 is that waterline is regulated moisturizing by the level sensor in the water tank 09 as shown in Figure 4.When water level reached, the 2# electronic valve cut out, and stops moisturizing; When water level did not reach, the 2# electronic valve was opened automatically, to the hot water cyclesystem moisturizing, guaranteed the height of systematic water level.The 2# electronic valve is the electronic valve that is used for moisturizing of individual household heat supply system, its control circuit as shown in Figure 4,2# electricity electronic valve passes through relay J by the 220V two-phase power supply
2Two normal opened contacts 2,3 power supply.Relay J
2Coil by sensitive relay J
1Normally closed contact receive on two live wires of three phase mains.As long as relay J
1Be failure to actuate, relay coil just has electric current to pass through, its normal opened contact 2,3 closures, and the 2# electronic valve is connected power supply, opens to water tank 09 moisturizing.When the water surface arrived in the water tank 09 a point waterline, the water route had 2 connections of a, c electric current to cross transistor T
1Base stage.To make sensitive relay J through amplifying the formed collector current in back
1Normally closed contact disconnect, electronic valve just quits work.By the time water level is lower than after the b point of water tank 09, and the water route is obstructed, sensitive relay J
1Normally closed contact closed again, relay J
2Receive on the power supply,, automatically the water level of water tank 09 is remained between a and the b so the 2# electronic valve is opened again.In addition, relay J
2Normally closed contact, be connected in parallel between water level a and the b, its effect is such: when water level drops to when being lower than a point, the 2# electronic valve is not at once to water tank 09 moisturizing.Because at this moment a point passes through relay J
2Contact (relay J at this moment
2Power supply disconnects, contact 1 closure) and water route c point still communicate, the 2# electronic valve is not still opened.Have only the water level of waiting until to be lower than after the b point, 2 of a, c just disconnect, and the 2# electronic valve begins moisturizing.After the 2# electronic valve is opened, relay J
2Contact 1 disconnect, continue to rise to after a point so water level has only, 2 of a, c just reclose.Take after this measure, can make water level remain on (between a and the b) on the certain level, when fluctuating near a point so as not to water level again, relay J
2Action back and forth, the 2# electronic valve is opened a little while, disconnects a little while, influences the life-span and the reliability of whole device.
Be positioned at hot water circulating pipeline temperature controller 17 control circuit as shown in Figure 5, its be mainly used in control 2 ' # water pump, the motor of 2 ' # water pump passes through relay J by the 380V three phase mains
52Three normal opened contacts 2,3,4 power supply.Contactor J
52Coil by sensitive relay J
51Normal opened contact receive on two live wires of three phase mains.As long as sensitive relay J
51Be failure to actuate, contactor coil does not just have electric current to pass through, and its normal opened contact 2,3,4 is often opened, and 2 ' # pump motor quits work.The solar energy circulating water supply system does not circulate, as electric bridge thermistor R
4When increasing with temperature rising resistance, the electric current of b, d point-to-point transmission increases in the electric bridge.When temperature was elevated to design temperature, electric current flow through transistor T
2Base stage reach design current.Process is amplified the value of the formed collector current in back greater than sensitive relay J
51Operating current the time, make sensitive relay J
51The normal opened contact adhesive.Relay J
52Coil have electric current to pass through, its normal opened contact 2,3,4 closures, 2 ' # pump motor is connected power supply, the circulation of 2 ' # starting mode of pump.In relay J
52Three normal opened contacts, 2,3,4 closures the time, relay J
52Contact 1 also simultaneously closed, 2 connections of F, C, the closure of contact 1 makes electric bridge R
3Resistance diminish, the electric current of b, d point-to-point transmission continue to increase in the electric bridge, collector current is considerably beyond the operating current of relay, when water temperature descends thermistor R
4Resistance reduce, collector current also reduces gradually.Work as resistance R
4Resistance when being reduced to a certain degree, the electric current when collector current reduces to return to adhesive.Resistance R
4Along with the reduction of water temperature, continue to reduce transistor T
2Collector current also reduces simultaneously, when collector current less than sensitive relay J
51Operating current the time, sensitive relay J
51Normal opened contact open relay J
52Coil do not have electric current to pass through, sensitive relay J
52Three normal opened contacts 2,3,4 disconnect, pump motor quits work.In relay J
52Three normal opened contacts 2,3,4 when disconnecting, contact 1 also disconnects simultaneously, bridge resistor R
3Recover original resistance.Temperature controller 17 can be by adjusting bridge resistor R
3With electric bridge thermistor R
4Resistance realize temperature controlled purpose.
In application process, this individual household heat supply system is installed in four floors, during to warming, 4# in the individual household heat supply system, 10# valve open, the 5# valve closing, working medium in the boiler 02 promote to be transmitted the working medium of boiler 02 through 1 ' # water pump, and the A point shunting in by the road enters on the heating installation supply mains 14 and heat and conducts supply mains 13 on the water tank.Supply mains 14 flows into each user's radiator on the heating installation, through heating installation return pipe 15 B point in the pipeline; Supply mains 07 flows into solar thermal collector 01 again on the heat conduction water tank after 04 heat radiation of heat conduction water tank, absorb heat after the hot-water circulation pipe joins in the heating installation backwater to solar heat supply mains 07 to B point, the solar heat that absorbs is in total return pipe 16 and the convection current of heating installation backwater, improve return water temperature, return boiler 02.When weather was colder, boiler 02 is post bake again, improved leaving water temperature and continued circulation through 1 ' # water pump; When weather is alleviated, stopping the boiler post bake, is heating installation backwater convection current water temperature by solar water, supplies with heating installation through 1 ' # water pump transmission, heat conduction water tank circulation heat radiation.
Consider and easily freeze winter,, when closing the 5# valve, close the 6# valve, open the water that the 9# valve is got rid of the solar energy system filler pipe at the front opening 4# that freezes, 10# valve.Close the 7# valve then, close the 8# valve again, make formation is not circulated between 7# valve and the 8# valve pipe gas stifled, prevent the top heat radiation and freeze.
After weather is warm, heating installation stops heat supply, close 4#, 10# valve, open the 5# valve, open 6#, 7#, 8# valve simultaneously, close the 9# valve, the hot water circulating pipeline of solar energy establishes one's own system, and moves up by hot water, exports through the solar heat water delivery pipe, impel system water to form microcirculation, the solar thermal energy that absorbs is accumulated in the heat conduction water tank of the upper pipe of solar thermal collector 01 and top floor; Gas enters water tank 09 through blast pipe and overflows through bleeder pipe.After solar thermal collector 01 top water temperature reaches uniform temperature, start 2 ' # water pump through temperature controller 17, impel hot water circuit in the solar energy circulating system, make roof top water temperature and bottom water temperature about the same through the circulation conduction, the water temperature of heat conduction water tank 04 progressively raises, and uses hot water so that the user to be provided.Working medium loss amount in hot water circulating pipeline is little, has reduced the problem of a large amount of supplementing water, only after working medium is lost to a certain degree by foregoing water replanishing device automatic water supplement.
In application process, the individual household heat supply system connection in series-parallel in a plurality of buildings in the housing-group can also be circulated jointly, promptly as shown in Figure 1, a shared boiler, and there are oneself solar thermal collector and relevant hot water circulating pipeline and heating installation circulation line in each building, with the hot water circulating pipeline in each building and the connection in series-parallel of heating installation circulation line together, be connected with heating installation circulation line and hot water circulating pipeline by a boiler, make the heat supply that cooperatively interacts of boiler and solar thermal collector, so that be more user, or even a community user heating installation is provided, the facility of hot water, raising people's life, work quality.
Find out that by above-mentioned this individual household heat supply system is providing heating, heat supply water, user friendly while, energy savings, and help environmental protection, for user job, life facilitate.
Claims (5)
1. individual household heat supply system, it is characterized in that: mainly constitute by solar thermal collector, water tank, boiler and pipeline transmission system, solar thermal collector is positioned at top of building, the pipeline transmission system mainly is made of hot water circulating pipeline, heating installation circulation line and by-pass valve control, hot water circulating pipeline in the pipeline transmission system is connected with solar thermal collector, and the heating installation circulation line is connected with boiler; In each user room, feed heating installation circulation line and hot water circulating pipeline, be connected and installed radiator in the heating installation circulation line, be connected and installed heat conduction water tank in the hot water circulating pipeline, in heat conduction water tank, heat exchanger is installed, heat exchanger is communicated with hot water circulating pipeline, temperature controller and by-pass valve control are installed in the hot water circulating pipeline of solar heat collector end, in the heating installation circulation line of boiler end, water pump and by-pass valve control are installed, the outlet pipeline of boiler is communicated with hot water circulating pipeline, water pump and by-pass valve control are installed on it, hot water house steward in the hot water circulating pipeline is communicated with the total return pipe that passes to boiler, control itself and the conduction status of total return pipe by by-pass valve control, each by-pass valve control and water pump are controlled by master controller; Water tank is positioned at top of building, is higher than solar thermal collector, and water tank is connected with hot water circulating pipeline by upper hose, and upper hose is connected with the electronic valve that is used to control rate of water make-up.
2. individual household heat supply system according to claim 1, its feature also is: temperature controller is connected with water pump.
3. individual household heat supply system according to claim 1, its feature also is: the circuit of temperature controller is mainly by thermistor (R
4), resistance (R
1, R
2, R
3) and triode (T
2) bridge circuit and the battery (E that form
1, E
2), relay (J
51) and relay (J
52) constitute relay (J
52) constitute by coil and normal opened contact (2,3,4), normal opened contact (2,3,4) is installed on the corresponding three-phase power line that links to each other with water pump, relay (J
51) and relay (J
52) coil corresponding, relay (J
51) two ends respectively with triode (T
2) colelctor electrode and emission collection be connected relay (J
52) coil be connected with two live wires of power supply.
4. individual household heat supply system according to claim 1, its feature also is: the water compensating valve circuit is by the level sensor in the water tank, battery (E
3), triode (T
1), relay (J
1), relay (J
2) and electronic valve connect and compose relay (J
2) in coil by relay (J
1) normally closed contact receive two live wires of the three phase mains that is used to control the electronics valve actuation.
5. individual household heat supply system according to claim 1, its feature also is: user's heat conduction water tank mainly floats valve, heat exchanger, overflow pipe, upper hose and Draw off valve by casing, water and constitutes, overflow pipe and heat exchanger are positioned at casing, Draw off valve is positioned at lower box, be used to provide hot water, upper hose passes in the heat conduction water tank, floats valve control automatic water supplement by water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01104262 CN1234998C (en) | 2001-02-27 | 2001-02-27 | Individual household heat supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01104262 CN1234998C (en) | 2001-02-27 | 2001-02-27 | Individual household heat supply system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1372106A CN1372106A (en) | 2002-10-02 |
| CN1234998C true CN1234998C (en) | 2006-01-04 |
Family
ID=4653793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01104262 Expired - Fee Related CN1234998C (en) | 2001-02-27 | 2001-02-27 | Individual household heat supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1234998C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100374781C (en) * | 2003-01-15 | 2008-03-12 | 何宗衡 | Module type comprehesive water supply machine set for cold and hot water |
| CN100451482C (en) * | 2005-10-26 | 2009-01-14 | 林善斌 | Energy saving method for organic connected glass fiber reinforced plastic cover plate solar water heater and building |
| CN101055102B (en) * | 2006-04-14 | 2011-06-08 | 潘戈 | Separated water-storage type central hot water system for building |
| CN101608806B (en) * | 2008-06-20 | 2011-06-08 | 河南省第五建筑安装工程（集团）有限公司 | Mounting method of individually-charged heating pipelines |
| WO2019095194A1 (en) * | 2017-11-16 | 2019-05-23 | 苏州三一冷暖工程有限公司 | Adjustable heating system for double heating workshop |
-
2001
- 2001-02-27 CN CN 01104262 patent/CN1234998C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1372106A (en) | 2002-10-02 |
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Addressee: Zhao Min Document name: Notification of Termination of Patent Right |
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Granted publication date: 20060104 Termination date: 20130227 |