CN104791884A - Bothway cyclic heating method and heating boiler with bothway circulating system - Google Patents
Bothway cyclic heating method and heating boiler with bothway circulating system Download PDFInfo
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- CN104791884A CN104791884A CN201510158544.5A CN201510158544A CN104791884A CN 104791884 A CN104791884 A CN 104791884A CN 201510158544 A CN201510158544 A CN 201510158544A CN 104791884 A CN104791884 A CN 104791884A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D13/00—Electric heating systems
Abstract
The invention provides a bothway cyclic heating method and a heating boiler with a bothway circulating system. The heating method includes the steps that hot water A flows out of a water return/outlet pipe I on one side of a water tank, the equivalent hot water A after being subjected to heat exchange flows back to enter the water tank through a water return/outlet pipe II and then stops circulating, reverse circulating is conducted after the water in the water tank is heated, a certain amount of increased hot water r flows out of the water return/outlet pipe II on the other side of the water tank, the equivalent hot water A+r after being subjected to heat exchange flows back to enter the water tank through the water return/outlet pipe I and then stops circulating, and then the water in the water tank is heated; forward circulating and reverse circulating are repeated, it can be guaranteed that the amount of the hot water flowing out of the water outlet pipe is increased by r compared with the amount of hot water last time, and circulating is repeated till the water in a cooling device is heated to meet the temperature requirement. According to the bothway cyclic heating method and the heating boiler with the bothway circulating system, a small amount of water is heated, the water is greatly stored, the heating efficiency is improved, the mode that water is returned and conveyed alternately by being gradually circulated and increased in two directions is adopted, the heating speed is increased, and the heating efficiency is improved.
Description
Technical field
The present invention relates to the technical field of electrically heated boiler, specifically relate to a kind of Bidirectional circulation heating method and there is the heating boiler of bidirectional circulating system.
Background technology
Wall hung gas boiler is widely used as a kind of conventional heating and heater, but boiler of the prior art adopts the heat-supplying mode of one-way circulation mostly, namely secures flow pipe and return pipe in the boiler.The water of heating is transported in radiator or floor heating water pipe to dispel the heat and by return pipe, the water through radiator or floor heating water pipe heat radiation is back in boiler and is heated again by flow pipe, this mode causes the temperature of the water flowed out from flow pipe backwater after long-distance flowing to enter boiler heating, cause the waste in circulation way of a large amount of heats, thus cause power consumption large.Mainly there is following shortcoming in this kind of mode of heating: 1, heating is slow; 2, heat supply is slow; 3, power consumption is large
Summary of the invention
The invention provides a kind of Bidirectional circulation heating method, heating process in prior art be slow to solve, the slow and large technical problem that consumes energy of heat supply.
The present invention also provides a kind of heating boiler with bidirectional circulating system, solves that existing boiler heating process is slow, the slow and large technical problem that consumes energy of heat supply.
For solving described problem, the invention provides a kind of Bidirectional circulation heating method,
A water tank is adopted to be built-in with hot water; Water tank is arranged two for return/water outlet return/outlet pipe I and return/outlet pipe II, return/outlet pipe I and return/outlet pipe II between connect heat abstractor;
Heating means comprise:
A, return from the side of water tank/outlet pipe I flows out hot water water yield A, and reflux heat exchange after equivalent hot water A by returning/outlet pipe II stops circulating after entering water tank, natural heat exchange is carried out in the water of heat abstractor and outside;
Water in b, water tank is heated to design temperature; The temperature reducing rate that the water temperature rate of climb controlling water tank exchanges faster than the water in heat abstractor and extraneous atural beat;
C, recycled back, from the opposite side of water tank return/outlet pipe II flows out certain hot water water yield increases r, and reflux heat exchange after equivalent hot water A+r by returning/outlet pipe I enters after water tank and stops circulating, natural heat exchange is carried out in the water of heat abstractor and outside; Repeat step b;
D, repetition step a-c, the outflow hot water water yield as outlet pipe all increases r than hot water water yield last time, and repetitive cycling is until the whole water in heat abstractor is heated to the requirement of maintenance indoor temperature or meets certain set temperature requirement.
According to the preferred embodiment of the inventive method, described water tank, as heat storage water tank, arranges a heating water tank and heat storage water tank carries out heat exchange, heats backward heat storage water tank and injects hot water in stepb by heat storage water tank being directed into heating water tank.
According to the preferred embodiment of the inventive method, after steps d terminates, within the time period of setting, maintaining one-way circulation, when the water temperature drop in heat abstractor being detected to the temperature set, repeating step a-d.
According to the preferred embodiment of the inventive method, after steps d terminates, stopping circulation, when when the water temperature drop in heat abstractor being detected to the temperature set, repeating step a-d.
Present invention also offers a kind of heating boiler with bidirectional circulating system realizing said method, described boiler comprises:
Cabinet, for built-in boiler with lower component;
Heating water tank, is heated into water the temperature of control system setting;
Heat storage water tank, is connected with described heating water tank, and on tube connector, arrange water circulating pump I, described heat storage water tank is arranged two for return/water outlet return/outlet pipe I and return/outlet pipe II;
Described time/outlet pipe I and returning/outlet pipe II connects water circulating pump II and water circulating pump III respectively, is connected respectively and operates according to the instruction of control system with control system;
Control system, comprise multiple temperature sensor for gathering heating water tank, heat storage water tank, return/outlet pipe I and returning/outlet pipe II in water temperature, and control the operation of described heater and each water circulating pump according to water temperature.
According to the preferred embodiment of boiler of the present invention, described heating water tank is Electric heating, is inside provided with electric heater, and described electric heater is heated into the temperature of control system setting water.
According to the preferred embodiment of boiler of the present invention, described control system judges the temperature that the water temperature of heat storage water tank sets lower than control system, and when judging that the temperature of heating water tank reaches the temperature of control system setting, send instruction, operation cycle water pump I, according to the instruction of control system, the water yield set to heating water tank injection control system also heats.
According to the preferred embodiment of boiler of the present invention, described boiler does not specify return pipe and outlet pipe, according to being arranged in described cabinet and be connected to back/feedback data of the temperature inductor of outlet pipe, control system sends instruction, startup water circulating pump II and water circulating pump III forward operate simultaneously, now one of them return/outlet pipe send water to fin or floor heating water pipe, another time/outlet pipe by the water in fin or floor heating water pipe to heat storage water tank backwater; After control system instruction completes a upper action, control system intelligence sends instruction, start two water circulating pump reversed operations simultaneously, now one return/outlet pipe send water to fin or floor heating water pipe, now when one return/outlet pipe as when sending water water pipe, another time/outlet pipe is then as backwater water pipe.
According to the preferred embodiment of boiler of the present invention, described heating water tank and heat storage water tank isolation, the water of heating is first injected into heat storage water tank and carries out constant temperature preservation.
According to the preferred embodiment of boiler of the present invention, described control system for accepting the temperature parameter of temperature sensor, and controls the rotating speed of each water circulating pump and the heating speed of described heating water tank.
Relative to prior art, the heating boiler with bidirectional circulating system provided by the invention, by heating the water of random set amount, then be stored in heat storage water tank, heat on a small quantity, the mode of mass storage, improve the efficiency of heating, increase additionally by bidirectional circulating system the mode replacing back, send water respectively gradually from both direction and send water to fin or floor heating water pipe, accelerate firing rate, improve the efficiency of heating surface.The principle that the present invention adopts is that segmentation is heated gradually, is different from existing wall-hung boiler and sends hot water from delivery port and get back to heater from water return outlet again through pipelines all within doors and heat.Like this, the flowing through long-distance causes heat almost not carry out effective heat exchange just temperature reduction, generally for temperature of remaining valid, uses powerful heater to heat, waste a lot of thermal power.Carry out heat stepwise bidirectional circulating can effectively avoid wasting thermal power, and the less heater of use also can arrive the temperature making the temperature of whole water pipe keep normal maintenance room temperature, generally between 40 DEG C ~ 60 DEG C, temperature can adjust.As long as the heating equipments such as traditional wall-hung boiler are all judge with the difference of leaving water temperature and return water temperature the effect that heats up within doors. in fact keep the water temperature in floor heating to remain that assigned temperature just reaches the object of heating, the present invention take full advantage of when after water temp. heating and the time of extraneous heat exchange far below the time making water heat up with electrical heating, utilize the time difference that low-down power can be used completely to carry out heating the heat of supplementary atural beat exchange.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation that the present invention has heating boiler one preferred embodiment of bidirectional circulating system.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.It is emphasized that following examples are only for illustration of the present invention, but scope of the present invention is not limited.Same, following examples are only section Example of the present invention and not all embodiments, and those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of protection of the invention.
The invention provides a kind of Bidirectional circulation heating method, it is characterized in that,
A water tank is adopted to be built-in with hot water; Water tank is arranged two for return/water outlet return/outlet pipe I and return/outlet pipe II, return/outlet pipe I and return/outlet pipe II between connect heat abstractor;
Heating means comprise:
A, return from the side of water tank/outlet pipe I flows out certain hot water water yield A, and reflux heat exchange after equivalent hot water A by returning/outlet pipe II stops circulating after entering water tank, natural heat exchange is carried out in the water of heat abstractor and outside;
Water in b, water tank is heated to design temperature; The temperature reducing rate that the water temperature rate of climb controlling water tank exchanges faster than the water in heat abstractor and extraneous atural beat;
C, from the opposite side of water tank return/outlet pipe II flows out certain hot water water yield increases r, and reflux heat exchange after equivalent hot water A+r by returning/outlet pipe I enters after water tank and stops circulating, natural heat exchange is carried out in the water of heat abstractor and outside; Repeat step b;
D, repetition step a-c, the outflow hot water water yield as outlet pipe all increases r than hot water water yield last time, repeats bidirectional circulating until the whole water in heat abstractor is heated to maintain the requirement of indoor temperature or meets certain set temperature requirement.In above-mentioned step, water tank can be used as heat storage water tank, arranges a heating water tank and heat storage water tank carries out water coke slurry, injects hot water in step b by heating water tank to heat storage water tank.
In one embodiment, one-way circulation is carried out within the time period of setting, if when now monitoring water temperature decline 1 ~ 3 degree (can according to circumstances arrange), repeat the above-mentioned two-way action increasing moisturizing gradually, keep constant temperature to keep the temperature of whole water pipe.When winter, weather was terribly cold, the frequency of circulation can strengthen.
In a preferred embodiment, circulation can be stopped, if if when now monitoring water temperature decline 1 ~ 3 degree, repeat the above-mentioned two-way action increasing moisturizing gradually, keep constant temperature to keep the temperature of whole water pipe.
Refer to Fig. 1, Fig. 1 is the structural representation that the present invention realizes that of above-mentioned heating means has heating boiler one preferred embodiment of bidirectional circulating system, certainly, heating boiler of the present invention can adopt Electric heating and other mode of heating, whole boiler can make wall-hanging and other mode, do not limit, the wall-hanging type electric heating boiler of this bidirectional circulating system comprises herein: cabinet 10, auxiliary water tank 110, heat storage water tank 210, electric heating water tank 310, control system 60, return/outlet pipe I70 and return/outlet pipe II71; Connect back/outlet pipe I70 and return/outlet pipe II71 being equipped with of cabinet 10 bottom, return/outlet pipe I70 and returning/outlet pipe II71 on temperature inductor III420 and temperature inductor IV 520 and water circulating pump II430 and water circulating pump III530 are installed.
Specifically, cabinet 10 is built with electric heating water tank 310 and the temperature inductor II320 be arranged on electric heating water tank.When the temperature that the temperature of electric heating water tank sets lower than control system 60, the heater that control system 60 sends instruction running electric heating water tank 310 li heats, water temperature after heating reaches the temperature that control system 60 sets, control system 60 sends instruction and starts water circulating pump I330, injects the water being heated to design temperature to heat storage water tank 210; Now, control system 60 sends instruction and closes import and export water pipe cocycle water pump II430 and water circulating pump III530, make the water only circulating-heating between heat storage water tank and heating water tank heated, and keep the temperature of heat storage water tank to maintain the temperature of control system 60 setting.
In one embodiment, the temperature of the water that heat storage water tank is 210 li is set to 80 DEG C, whether control system 60 maintains by the temperature that temperature inductor I220 monitors heat storage water tank 210 in real time the temperature that control system 60 sets, and in order to illustrate better, selects 80 DEG C here; When the temperature of heat storage water tank 210 lower than design temperature 80 DEG C 20 DEG C ~ 40 DEG C time, control system 60 sends instruction, operation cycle water pump II330, the water of heat storage water tank 210 is injected into electric heating water tank 310 and heats; The capacity of usual electric heating water tank 310 lower than 1 liter, to make the time minimum of heating; And the capacity of heat storage water tank 210 minimum be 3 liters, be 20 liters to the maximum.
In one embodiment, two that are connected with heat storage water tank 210 return/outlet pipe I70 and return/outlet pipe II71, being different from other boilers water pipe is outlet pipe, and another water pipe is then return pipe.In order to Based Intelligent Control two return/outlet pipe I70 and return/outlet pipe II71 on temperature inductor III420 and temperature inductor IV 520 have been installed respectively, and water circulating pump II430 and water circulating pump III530, control system 60 according to the data of the feedback of the temperature inductor I220 on heat storage water tank 210 judge the water temperature of heat storage water tank 210 reach setting require 80 DEG C time, send instruction startup water circulating pump III530 to rotate forward, the water of heat storage water tank 210 li is passed through back/A water gaging that outlet pipe I70 is conveyed through heating in fin or floor heating water pipe (supposes that the water yield is A, amount of capacity according to heat storage water tank changes to some extent), simultaneously, start water circulating pump 430 injects water yield A from the water equivalent flowed out from heat storage water tank to heat storage water tank 210, now with return/water of fin that outlet pipe I70 is connected or floor heating water pipe and outside carry out natural heat exchange, from return/stop after outlet pipe II71 flows to the A water gaging of heat storage water tank 210 conveying .A water gaging equal to opposite side return/amount that outlet pipe I70 carries is equal, and the water of heat storage water tank 210 li because of from return/outlet pipe II71 in flow to A amount the temperature in heat storage water tank is declined, temperature inductor I220 by information feed back to control system 60, control system 60 sends instruction, operation cycle water pump I330, the water of heat storage water tank 210 is injected into electric heating water tank 310 heat, in this process, water circulating pump III530 and water circulating pump II430 is also shutting down, water circulating pump I330 operates, the water of heat storage water tank 210 is transported to electric heating water tank 310 heat, the control system 60 that temperature data transmits is sensed through T time temperature after heating sensor II320, control system 60 sends instruction operation cycle water pump I330 and will be heated to 60 DEG C (floor heating mode is set as 60 degree, radiator mode is set as 80 degree) water carry to heat storage water tank 210, usually being no more than in 5 ~ 10 minutes the temperature 80 DEG C making the water temperature of heat storage water tank 210 can reach setting, now the water temperature rate of climb of electric heating water tank 310 and the water temperature of heat storage water tank 210 rise (water temperature of heat storage water tank 210 reaches 60 ~ 80 DEG C) speed obviously faster than the temperature reducing rate that the water in fin or floor heating water pipe and extraneous atural beat exchange.When temperature inductor I220 senses that the temperature of heat storage water tank 210 rises to the temperature 60 ~ 80 DEG C of specifying, control system 60 sends instruction antiport to water circulating pump III530 and water circulating pump II430 simultaneously, now, return/water pipe in outlet pipe I70 direction in temperature decrease, but be unlikely to be reduced to less than 60 DEG C, therefore return/water yield that outlet pipe II71 carries increase to A+r (r for random quantitatively, by the feedback information intelligence setting of control system according to temperature inductor, may change at any time), r value is preferably set and is more than or equal to A value, if the temperature of external environment condition is greater than A value when being greater than zero degree, but do not have obvious gap, can be considered as equal, mainly in order to express increment.Inject the A+r water yield to heat storage water tank 210 simultaneously, and the water of heat storage water tank 210 li because of from returning/outlet pipe I70 in flow to the A+r water yield temperature in heat storage water tank declined, temperature inductor I220 by information feed back to control system 60, control system 60 sends instruction, operation cycle water pump I330, is injected into electric heating water tank 310 by the water of heat storage water tank 210 and heats; When temperature inductor I220 senses that the temperature of heat storage water tank 210 rises to the temperature 60 ~ 80 DEG C of specifying, now the water temperature rate of climb of electric heating water tank 310 and the water temperature rate of climb of heat storage water tank 210 are obviously faster than the temperature reducing rate that the water in fin or floor heating water pipe and extraneous atural beat exchange.So through the mode of N bidirectional circulating alternative expression increment water supply gradually, many increases r water yield is increased during each antiport, the upper limit is exactly the requirement water in all pipelines being heated to maintain indoor temperature, the water set in water pipe maintains 40 ~ 60 DEG C in one embodiment, when the temperature of water pipe reaches 40 degree, and and after medium (floor etc.) carries out sufficient heat exchange within doors, after making the temperature on floor reach 30 ~ 40 degree, the tight temperature that can keep specifying with less electric power.Fast Heating is reached, the effect of quick heat supply and low power consuming with lower energy consumption.
Certainly, the scope that temperature is arranged and the scope that the water yield is arranged are not limited thereto, and can require to carry out arranging and automatically arranging according to the feedback information of temperature inductor according to different water temperatures, not limit herein.
So, the boiler of the embodiment of the present invention by replacing the positive and negative two-way conveying heating water of increment gradually, and heats current with high temp. electrical heater, so have the high characteristic of the efficiency of heating surface.Compared to the heating water one-time heating of temperature constant state to 80 DEG C, the embodiment of the present invention be then utilize a small amount of heating constantly the mode of circulation heat current be heated to 80 DEG C; Electric heater load is little and have can heating water with the characteristic of rapid temperature increases in the short time.
In addition, for anti-non-return/flow pipe I70 with return/the water-supply shortages of flow pipe II71, auxiliary water tank 110 can also be set on the top at cabinet 10, auxiliary water tank 110 be connected with heat storage water tank 210 jointly to returning/outlet pipe supplements heating water.
In one embodiment, cabinet 10 inside is also equipped with controlled circulation water pump I330, water circulating pump II430, water circulating pump III530 and is controlled the control system 60 of electric heater water tank 310 and temperature controller I220, temperature controller II320, temperature controller III420 and temperature controller IV 520, this control system 60 can comprise processor, memory, display, operation interface etc., within the scope of the understanding of those skilled in the art, repeat no more herein.
The foregoing is only a kind of embodiment of the present invention; not thereby limit the scope of the invention; every utilize description of the present invention and accompanying drawing content to do equivalent device or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a Bidirectional circulation heating method, is characterized in that,
A water tank is adopted to be built-in with hot water; Water tank is arranged two for return/water outlet return/outlet pipe I and return/outlet pipe II, return/outlet pipe I and return/outlet pipe II between connect heat abstractor;
Heating means comprise:
A, return from the side of water tank/outlet pipe I flows out hot water water yield A, and reflux heat exchange after equivalent hot water A by returning/outlet pipe II stops circulating after entering water tank, natural heat exchange is carried out in the water of heat abstractor and outside;
Water in b, water tank is heated to design temperature; The temperature reducing rate that the water temperature rate of climb controlling water tank exchanges faster than the water in heat abstractor and extraneous atural beat;
C, recycled back, from the opposite side of water tank return/outlet pipe II flows out certain hot water water yield increases r, and reflux heat exchange after equivalent hot water A+r by returning/outlet pipe I enters after water tank and stops circulating, natural heat exchange is carried out in the water of heat abstractor and outside; Repeat step b;
D, repetition step a-c, the outflow hot water water yield as outlet pipe all increases r than hot water water yield last time, and repetitive cycling is until the whole water in heat abstractor is heated to the requirement of maintenance indoor temperature or meets certain set temperature requirement.
2. according to Bidirectional circulation heating method according to claim 1, it is characterized in that, described water tank, as heat storage water tank, arranges a heating water tank and heat storage water tank carries out heat exchange, heats backward heat storage water tank and injects hot water in stepb by heat storage water tank being directed into heating water tank.
3. according to the Bidirectional circulation heating method described in claim 1 or 2, it is characterized in that, after steps d terminates, within the time period of setting, maintain one-way circulation, when the water temperature drop in heat abstractor being detected to the temperature set, repeating step a-d.
4. according to the Bidirectional circulation heating method described in claim 1 or 2, it is characterized in that, after steps d terminates, stop circulation, when when the water temperature drop in heat abstractor being detected to the temperature set, repeating step a-d.
5. have a heating boiler for bidirectional circulating system, it is characterized in that, described boiler comprises:
Cabinet, for built-in boiler with lower component;
Heating water tank, is heated into water the temperature of control system setting;
Heat storage water tank, is connected with described heating water tank, and on tube connector, arrange water circulating pump I, described heat storage water tank is arranged two for return/water outlet return/outlet pipe I and return/outlet pipe II;
Described time/outlet pipe I and returning/outlet pipe II connects water circulating pump II and water circulating pump III respectively, is connected respectively and operates according to the instruction of control system with control system;
Control system, comprise multiple temperature sensor for gathering heating water tank, heat storage water tank, return/outlet pipe I and returning/outlet pipe II in water temperature, and control the operation of described heater and each water circulating pump according to water temperature.
6. the heating boiler with bidirectional circulating system according to claim 5, is characterized in that, described heating water tank is Electric heating, is inside provided with electric heater, and described electric heater is heated into the temperature of control system setting water.
7. the heating boiler with bidirectional circulating system according to claim 5, it is characterized in that, described control system judges the temperature that the water temperature of heat storage water tank sets lower than control system, and when judging that the temperature of heating water tank reaches the temperature of control system setting, send instruction, operation cycle water pump I, according to the instruction of control system, the water yield set to heating water tank injection control system also heats.
8. the heating boiler with bidirectional circulating system according to claim 5, it is characterized in that, described boiler does not specify return pipe and outlet pipe, according to being arranged in described cabinet and be connected to back/feedback data of the temperature inductor of outlet pipe, control system sends instruction, startup water circulating pump II and water circulating pump III forward operate simultaneously, now one of them return/outlet pipe send water to fin or floor heating water pipe, another time/outlet pipe by the water in fin or floor heating water pipe to heat storage water tank backwater; After control system instruction completes a upper action, control system intelligence sends instruction, start two water circulating pump reversed operations simultaneously, now one return/outlet pipe send water to fin or floor heating water pipe, now when one return/outlet pipe as when sending water water pipe, another time/outlet pipe is then as backwater water pipe.
9. the heating boiler with bidirectional circulating system according to claim 5, is characterized in that, described heating water tank and heat storage water tank isolation, the water of heating is first injected into heat storage water tank and carries out constant temperature preservation.
10. the heating boiler with bidirectional circulating system according to claim 5, is characterized in that, described control system for accepting the temperature parameter of temperature sensor, and controls the rotating speed of each water circulating pump and the heating speed of described heating water tank.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510158544.5A CN104791884B (en) | 2015-04-03 | 2015-04-03 | A kind of Bidirectional circulation heating method and the heating boiler with bidirectional circulating system |
| PCT/CN2015/076019 WO2016155033A1 (en) | 2015-04-03 | 2015-04-08 | Two-way cyclic heating method and heating boiler with two-way circulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510158544.5A CN104791884B (en) | 2015-04-03 | 2015-04-03 | A kind of Bidirectional circulation heating method and the heating boiler with bidirectional circulating system |
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| CN104791884A true CN104791884A (en) | 2015-07-22 |
| CN104791884B CN104791884B (en) | 2017-06-09 |
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| WO (1) | WO2016155033A1 (en) |
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| CN110513753A (en) * | 2019-09-18 | 2019-11-29 | 西华大学 | A kind of dedicated integrated pipeline system of HVAC |
| WO2021128368A1 (en) * | 2019-12-23 | 2021-07-01 | 田丽华 | Energy-saving and environmentally-friendly heating hot water boiler |
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| CN110513753A (en) * | 2019-09-18 | 2019-11-29 | 西华大学 | A kind of dedicated integrated pipeline system of HVAC |
| WO2021128368A1 (en) * | 2019-12-23 | 2021-07-01 | 田丽华 | Energy-saving and environmentally-friendly heating hot water boiler |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016155033A1 (en) | 2016-10-06 |
| CN104791884B (en) | 2017-06-09 |
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Effective date of registration: 20171124 Address after: 118100 the 5 floor of the 12 building of the instrument and Instrument Industrial Park, Xincheng, Xincheng, Dandong, Liaoning Province Co-patentee after: Yu Fengxun Patentee after: Yu Yinxing Address before: 118100 Liaoning province Dandong city new urban area Instrument Industrial Park 12 5 floors Patentee before: Yu Yinxing |