CN104456972B - A kind of memory-type intelligent small heating boiler system - Google Patents
A kind of memory-type intelligent small heating boiler system Download PDFInfo
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- CN104456972B CN104456972B CN201410721450.XA CN201410721450A CN104456972B CN 104456972 B CN104456972 B CN 104456972B CN 201410721450 A CN201410721450 A CN 201410721450A CN 104456972 B CN104456972 B CN 104456972B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000007789 gas Substances 0.000 claims abstract description 45
- 239000008399 tap water Substances 0.000 claims abstract description 14
- 235000020679 tap water Nutrition 0.000 claims abstract description 14
- 239000002737 fuel gas Substances 0.000 claims abstract description 10
- 239000000567 combustion gas Substances 0.000 claims abstract description 9
- 239000010865 sewage Substances 0.000 claims abstract description 6
- 239000003814 drug Substances 0.000 claims description 11
- 230000000087 stabilizing effect Effects 0.000 claims description 9
- 230000003020 moisturizing effect Effects 0.000 claims description 6
- 239000013589 supplement Substances 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 abstract description 5
- 239000003795 chemical substances by application Substances 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000001932 seasonal effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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- Steam Or Hot-Water Central Heating Systems (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
A kind of memory-type intelligent small heating boiler system, belongs to energy-conservation and HVAC technical field.The system adds mouth, power interface, sewage draining exit, exhaust opening equipped with fuel gas inlet, hot water backwater's mouth, hot water feed water inlet, tap water inlets, water treatment agent（Gas fired-boiler is configured）Deng interface, during onsite application, only need to connect these interfaces, connect with the mains by put into operation.With the real demand of user as the control foundation of small-sized heating boiler system operation, become and be passively controlled to active control, eliminate all kinds of temperature or pressure transducer, energy-saving effect is notable.The frequency conversion of circulating pump and the change of the scalable of gas flow and electric heater capacity, with Conventional compact（Combustion gas-to-electric）Boiler heating system compares, and is capable of achieving economize on electricity more than 30%, saves combustion gas more than 25%.
Description
Technical field
The present invention relates to a kind of memory-type intelligent small heating boiler system, belongs to energy-conservation and HVAC technical field.
Background technology
At present, small-sized heating boiler system, electric boiler are, to electric heater, to maintain temperature permanent using setting heat supply temperature
It is fixed.Gas furnace is also setting heat supply temperature, by temperature sensor output signal to gas control valve, keeps heat supply temperature permanent
It is fixed.These control models belong to extensive control mode, and less economical, gas consumption is more, and power load is big.How both to meet
Burden requirement, can realize minimum energy consumption again, there is presently no technical breakthrough.
The content of the invention
In order to overcome the deficiencies in the prior art, the present invention to provide a kind of memory-type intelligent small heating boiler system
System, experiences according to Various Seasonal, different time sections, Different climate and user, and user voluntarily adjusts the operating frequency of circulating pump, from
The gas control valve aperture of row regulating gas boiler, voluntarily adjusts the electrically heated resistance of electric boiler, and in systems full-automatic
Memory control central store, data of the Full-automatic memory control centre according to storage, time segment export unlike signal to following
Ring pump, gas control valve or electric heater, make heating system run in different modes, to reach the purpose of energy-conservation.
The technical scheme is that：A kind of memory-type intelligent small heating boiler system, it includes small-sized heating boiler,
Hot water after the small-sized heating boiler heating into boiler water supply pipeline be sequentially connected voltage stabilizing expansion drum, self frequency-changing's circulating pump and
After aerofluxuss dirt trap, pressure switch and temperature sensor, by hot water feed water inlet（1d）Hot-water supply, boiler water supply pipeline are adopted and are added
Medicine connecting line Jing be provided with medicament add mouth medicament in line throwing device after connect hot water backwater's pipeline；Heat after circulation
Water is entered hot water backwater's pipeline of the small-sized heating boiler of connection by hot water backwater's mouth, and hot water backwater's pipeline is provided with temperature sensor
And pressure gauge；Tap water is entered after tap water pipe line by tap water inlets, is incorporated to boiler confession through electromagnetic valve at pipeline node
Water lines（16）；The steam generator system also includes Full-automatic memory control centre, the Full-automatic memory control centre and small-sized confession
Heat boiler, gas consumption adjusting valve, temperature sensor, electromagnetic valve, pressure switch, voltage stabilizing expansion drum are electrically connected, described complete
It is provided with circulation pump frequency regulation, gas quantity regulation in automatic memory control in the heart, heating power is adjusted, operational mode storage is compiled
Volume, operational mode select, heat supply temperature shows, pressure shows, gas consumption shows, electric quantity consumption shows, automatic water supplement is controlled,
Manual moisturizing control, the system failure are reported to the police, system automatic/hand operates the control module for running selection.
The small-sized heating boiler adopts gas heating and electrically heated composite construction.
The small-sized heating boiler adopts gas heating structure, combustion gas to sequentially pass through combustion into fuel gas pipeline from fuel gas inlet
Air-flow adjustable valve, gas meter, pressure gauge enter small-sized heating boiler；The small-sized heating boiler is provided with gas fired-boiler
Exhaust opening and sewage draining exit.
The electromagnetic valve is adopted and automatically turns on moisturizing or manually opened water supplement structure.
The invention has the beneficial effects as follows：The system is by small-sized（Combustion gas-to-electric）Heating boiler, Full-automatic memory control centre,
Self frequency-changing's circulating pump, voltage stabilizing expansion drum, aerofluxuss dirt trap, temperature sensor, the online throwing device of water treatment agent, electromagnetic valve,
Gas meter（Gas fired-boiler is used）, gas consumption adjusting valve（Gas fired-boiler is used）, pressure gauge, pressure switch and connecting pipe
Constitute with framework etc..System host adopts Conventional compact（Combustion gas-to-electric）Heating boiler, is equipped with whole heat supply station equipments, including
Water treatment facilities, constant pressure arrangement, water replanishing device, aerofluxuss decontamination apparatus etc., and be integrated in a unit module, the operation of system
It is that instruction is sent according to Full-automatic memory control centre, adjusts the rotating speed and gas flow or electric heater work(of self frequency-changing's circulating pump
Rate, it is ensured that heating index meets user's requirement.Full-automatic memory control centre can remember ten and operate above instruction, Yong Huke
Voluntarily adjusted with heat demand according to the different time periods frequency and gas consumption adjusting valve of self frequency-changing circulating pump aperture or
Electric heater capacity, by by the operational mode that the memory of Full-automatic memory control centre is different time sections, user is in reality for this process
In the use of border, need to only press pattern 1 or pattern 2 in control panel etc., realize in heating season, by season, month, daily,
Automatic running under the different modes such as morning, noon and afternoon., under different load, its power consumption difference is very big for circulating pump, conventional heat supply system
System is constant flow operation, when heating demand changes, does not consider electric quantity consumption, and memory-type intelligent small gas-fired Boiler System is root
According to heat demand, by VFC water pump operation, economize on electricity purpose is realized.Gas consumption adjusting valve is set in gas fired-boiler, can
Changed according to heat supply temperature, adjustment of combustion gas flow, in underload, reduce gas consumption.Electric heater in electric boiler is main
Current consuming apparatus are wanted, the power of electric heater is adjusted on demand, electric energy can be greatlyd save.Memory-type intelligent small heating boiler system
Manufactured using modular designs, can arbitrarily be increased according to the size with thermic load, meet the demand of different thermic loads.
System equipped with fuel gas inlet, hot water backwater's mouth, hot water feed water inlet, tap water inlets, water treatment agent add mouth,
Power interface, sewage draining exit, exhaust opening（Gas fired-boiler is configured）Deng interface, during onsite application, only need to connect these interfaces, connect
Power supply can put into operation.With the real demand of user as the control foundation of small-sized heating boiler system operation, become passive and control
Active control is made as, all kinds of temperature or pressure transducer is eliminated, energy-saving effect is notable.The frequency conversion of circulating pump and gas flow
The change of scalable and electric heater capacity, with Conventional compact（Combustion gas-to-electric）Boiler heating system compares, and is capable of achieving economize on electricity 30%
More than, save combustion gas more than 25%.
Description of the drawings
Fig. 1 is a kind of flow chart of memory-type intelligent small heating boiler system.
Fig. 2 is a kind of memory-type intelligent small heating boiler its exterior adapter figure.
Fig. 3 is a kind of memory-type intelligent small heating boiler its exterior adapter side view.
In figure：1st, small-sized heating boiler, 1a, fuel gas inlet, 1b, hot water backwater's mouth, 1c, tap water inlets, 1d, hot water are supplied
The mouth of a river, 1e, gas fired-boiler exhaust opening, 1f, sewage draining exit, 2, Full-automatic memory control centre, 3, self frequency-changing's circulating pump, 4, voltage stabilizing it is swollen
Swell, 5, aerofluxuss dirt trap, 6, temperature sensor, 7, the online throwing device of medicament, 7a, medicament add mouth, 8 electromagnetic valves, and 9, combustion
Gas gauge table, 10, pressure gauge, 11, gas consumption adjusting valve, 12, pressure switch, 13, fuel gas pipeline, 14, hot water backwater's pipeline,
15th, tap water pipe line, 16, boiler water supply pipeline, 17, medicine-feeding connection tube road, 18, pipeline node, 19, electric heater.
Specific embodiment
Referring to the drawings the structure of the present invention is described further.
Fig. 1, Fig. 2 and Fig. 3 show a kind of memory-type intelligent small heating boiler system, and it includes small-sized heating boiler 1,
Hot water Jing after small-sized heating boiler 1 is heated sequentially passes through self frequency-changing's circulating pump 3, voltage stabilizing expansion drum into boiler water supply pipeline 16
4th, after aerofluxuss dirt trap 5, pressure switch 12, a part of water is discharged by hot water feed water inlet 1d through temperature sensor 6 again, another portion
Point water is incorporated to hot water return pipe into medicine-feeding connection tube road 17 after being provided with medicament and adding the medicament of mouth 7a in line throwing device 7
Road 14；Hot water backwater of the hot water after outer loop sequentially passes through temperature into hot water backwater's pipeline 14 by hot water backwater's mouth 1b
Sensor 6, pressure gauge 10 enter small-sized heating boiler 1；Tap water enters tap water pipe line 15 through electricity by tap water inlets 1c
Magnet valve 8 is incorporated to boiler water supply pipeline 16 at pipeline node 18；The steam generator system also includes Full-automatic memory control centre 2, entirely
Open with small-sized heating boiler 1, gas consumption adjusting valve 11, temperature sensor 6, electromagnetic valve 8, pressure at automatic memory control center 2
Close 12, voltage stabilizing expansion drum 4 to be electrically connected.Full-automatic memory control centre 2 is adjusted for circulating pump frequency, gas quantity is adjusted,
Heating power is adjusted, operational mode storage is edited, operational mode is selected, heat supply temperature shows, pressure shows, gas consumption shows
Show, electric quantity consumption shows, automatic water supplement is controlled, manual moisturizing control, the system failure report to the police, system automatic/hand operation operation
Select.
Small-sized heating boiler 1 is the small-sized heating boiler of combustion gas, and combustion gas is from fuel gas inlet 1a into fuel gas pipeline 13 successively Jing
Gas consumption adjusting valve 11, gas meter 9, pressure gauge 10 are crossed into small-sized heating boiler 1；Small-sized heating boiler 1 is provided with
Gas fired-boiler exhaust opening 1e and sewage draining exit 1f.
In heat supply, first start memory-type intelligent small heating boiler system, now system be oepration at full load, user
Memory function is opened on 2 panel of Full-automatic memory control centre, is then adjusted certainly on 2 panel of Full-automatic memory control centre
3 frequency of frequency variable circulating pump, if gas fired-boiler just adjusts the aperture of gas consumption adjusting valve 11, if electric boiler is just adjusted
The power of electric heater, until meet supplying hot comfort.This adjustment is carried out on a time period, can be divided into the daily morning, noon and afternoon three
The individual period, it is adjusted according to the function of building, such as office building enters according to working time-daytime, night, festivals or holidays in advance
Row setting etc..Full-automatic memory control centre 2 dynamic operation of automatic control system and can be opened according to the setting up procedure of user
Dynamic, stopping etc..The online throwing device of medicament 7 solves the problems, such as that recirculated water longtime running, to equipment and the corrosion and scaling of pipe fitting, is used
Family periodically adds a certain amount of corrosion inhibiting and descaling agent and abluent etc. according to water quality situation, it is not necessary to disassembling system part.Medicament is added
It is the pressure differential imported and exported by means of circulating pump.Aerofluxuss dirt trap 5 can remove the dirt in circulation, side by side outlet
Body, improves heating efficiency.Voltage stabilizing expansion drum 4 is the pressure of stable heating system, maintains heat supply temperature constant.Electromagnetic valve 8 connects
Tap water, uses as system water filling and automatic water supplement.Moisturizing can be automatically turned on according to the signal of the pressure switch 12 on pipeline
Electromagnetic valve 8 is carried out, it is also possible to which manual operation opens solenoid valve 8 is carried out.Memory-type intelligent small heating boiler system can basis
Full-automatic memory control centre 2 output order operation, it is also possible to switch to artificial operation operation.
Experienced according to Various Seasonal, different time sections, Different climate and user, the different heat supply modes of setting, and be stored in
In Full-automatic memory control centre, user transfers these operational modes, and water circulating pump is operated by Frequency Converter Control, gas fired-boiler
By gas consumption adjusting valve regulating gas amount, power adjustments power consumption of the electric boiler by change electric heater.It is full-automatic to remember
Recall control centre and can remember ten and operate above instruction；Modularized design, manufacture, can increase or decrease according to thermic load
Module；The system and Conventional compact heating boiler systematic comparison, are capable of achieving economize on electricity more than 30%, save combustion gas more than 25%.
Claims (3)
1. a kind of memory-type intelligent small heating boiler system, it includes small-sized heating boiler（1）, it is characterised in that：It is described little
Type heating boiler（1）Hot water after heating enters boiler water supply pipeline（16）It is sequentially connected voltage stabilizing expansion drum（4）, self frequency-changing circulation
Pump（3）With aerofluxuss dirt trap（5）, pressure switch（12）And temperature sensor（6）Afterwards, by hot water feed water inlet（1d）Hot-water supply,
Boiler water supply pipeline（16）Using medicine-feeding connection tube road（17）Jing is provided with medicament and adds mouth（7a）The online throwing device of medicament（7）
Connect hot water backwater's pipeline afterwards（14）；Hot water after circulation is by hot water backwater's mouth（1b）Into the small-sized heating boiler of connection
（1）Hot water backwater's pipeline（14）, hot water backwater's pipeline（14）It is provided with temperature sensor（6）And pressure gauge（10）；Tap water
By tap water inlets（1c）Into tap water pipe line（15）Afterwards, through electromagnetic valve（8）In pipeline node（18）Place is incorporated to boiler confession
Water lines（16）；The steam generator system also includes Full-automatic memory control centre（2）, the Full-automatic memory control centre（2）With
Small-sized heating boiler（1）, gas consumption adjusting valve（11）, temperature sensor（6）, electromagnetic valve（8）, pressure switch（12）, voltage stabilizing
Expansion drum（4）It is electrically connected, the Full-automatic memory control centre（2）Be provided with circulation pump frequency adjust, gas quantity adjust,
Heating power is adjusted, operational mode storage is edited, operational mode is selected, heat supply temperature shows, pressure shows, gas consumption shows
Show, electric quantity consumption shows, automatic water supplement is controlled, manual moisturizing control, the system failure report to the police, system automatic/hand operation operation
The control module of selection.
2. a kind of memory-type intelligent small heating boiler system according to claim 1, it is characterised in that：The small-sized confession
Heat boiler（1）Using gas heating and electrically heated composite construction, combustion gas is from fuel gas inlet（1a）Into fuel gas pipeline（13）According to
It is secondary through gas consumption adjusting valve（11）, gas meter（9）, pressure gauge（10）Into small-sized heating boiler（1）；It is described small-sized
Heating boiler（1）It is provided with gas fired-boiler exhaust opening（1e）And sewage draining exit（1f）.
3. a kind of memory-type intelligent small heating boiler system according to claim 1, it is characterised in that：The electromagnetic valve
（8）Using automatically turning on moisturizing or manually opened benefit structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410721450.XA CN104456972B (en) | 2014-12-03 | 2014-12-03 | A kind of memory-type intelligent small heating boiler system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410721450.XA CN104456972B (en) | 2014-12-03 | 2014-12-03 | A kind of memory-type intelligent small heating boiler system |
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| CN104456972A CN104456972A (en) | 2015-03-25 |
| CN104456972B true CN104456972B (en) | 2017-03-29 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113128822B (en) * | 2019-12-31 | 2024-10-15 | 中国石油化工股份有限公司 | Memory, electric coordination control method, equipment and device for micro-grid |
| CN114370708A (en) * | 2022-01-22 | 2022-04-19 | 广东中澳能源科技有限公司 | Pressure-bearing type high-temperature heat-storage electric water heating boiler |
| CN114623876A (en) * | 2022-03-15 | 2022-06-14 | 广东奥士玛热能科技有限公司 | Gas furnace test system |
| CN115013861B (en) * | 2022-05-31 | 2024-03-08 | 新奥数能科技有限公司 | Indoor temperature control method and device based on heating system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201527107U (en) * | 2009-07-27 | 2010-07-14 | 冀鹏华 | Boiler energy-saving monitoring device |
| CN102538186A (en) * | 2012-01-30 | 2012-07-04 | 黄溯 | Multi-functional electric hot water boiler |
| CN103322613A (en) * | 2013-05-20 | 2013-09-25 | 成都前锋电子有限责任公司 | Multi-energy wall-mounted stove type hot water and heat supplying system |
| CN204285830U (en) * | 2014-12-03 | 2015-04-22 | 大连爱特流体控制有限公司 | A kind of memory-type intelligent small heating boiler system |
-
2014
- 2014-12-03 CN CN201410721450.XA patent/CN104456972B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201527107U (en) * | 2009-07-27 | 2010-07-14 | 冀鹏华 | Boiler energy-saving monitoring device |
| CN102538186A (en) * | 2012-01-30 | 2012-07-04 | 黄溯 | Multi-functional electric hot water boiler |
| CN103322613A (en) * | 2013-05-20 | 2013-09-25 | 成都前锋电子有限责任公司 | Multi-energy wall-mounted stove type hot water and heat supplying system |
| CN204285830U (en) * | 2014-12-03 | 2015-04-22 | 大连爱特流体控制有限公司 | A kind of memory-type intelligent small heating boiler system |
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| CN104456972A (en) | 2015-03-25 |
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Effective date of registration: 20180419 Address after: 116000 1117, eleventh floor, Chunhui building, 24 Tangshan street, Xigang, Dalian, Liaoning Patentee after: ZHONGYING LVNENG ELECTROMECHANICAL CO.,LTD. Address before: 116600 Dalian economic and Technological Development Zone, Liaoning double D Port Street, No. 19, No. seven Patentee before: DALIAN ARTRONICS CONTROL CO.,LTD. |
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Denomination of invention: A memory intelligent small heating boiler system Effective date of registration: 20220105 Granted publication date: 20170329 Pledgee: Dalian Xigang District Enterprise Credit Financing Guarantee Co.,Ltd. Pledgor: ZHONGYING LVNENG ELECTROMECHANICAL CO.,LTD. Registration number: Y2022210000002 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20170329 Pledgee: Dalian Xigang District Enterprise Credit Financing Guarantee Co.,Ltd. Pledgor: ZHONGYING LVNENG ELECTROMECHANICAL CO.,LTD. Registration number: Y2022210000002 |