CN105571131A - Condensation-type gas heating hot water boiler electronically controlling gas mixture ratio - Google Patents
Condensation-type gas heating hot water boiler electronically controlling gas mixture ratio Download PDFInfo
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- CN105571131A CN105571131A CN201410373111.7A CN201410373111A CN105571131A CN 105571131 A CN105571131 A CN 105571131A CN 201410373111 A CN201410373111 A CN 201410373111A CN 105571131 A CN105571131 A CN 105571131A
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- condensation
- gas
- control system
- heat exchange
- heating water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Abstract
The invention provides a condensation-type gas heating hot water boiler electronically controlling the gas mixture ratio. The condensation-type gas heating hot water boiler includes a condensation heat exchanging system, a combustion pre-mixture system, a flow acquisition system, a pressure acquisition system, a gas control system, a warm water supply system, a domestic hot-water supply system and a cold water system; the condensation heat exchanging system is connected to the combustion pre-mixture system through a gas output pipeline; the combustion pre-mixture system is connected to the gas control system through a gas supply pipeline; the flow acquisition system and the pressure acquisition system are arranged at a position of the combustion pre-mixture system and are connected to a control system; the control system is connected to the gas control system; and an output end of the condensation heat exchanging system is connected to the warm water supply system and the domestic hot-water supply system, and an input end of the condensation heat exchanging system is connected to the cold water system. According to the condensation-type gas heating hot water boiler electronically controlling the gas mixture ratio, air required by combustion can be controlled through the control system, the combustion is full, the discharge of CO and NO can be decreased, and the combustion efficiency can be improved.
Description
Technical field
The present invention relates to a kind of water heater for heating, be specifically related to a kind of condensation-type gas-fired heating water heater of Electronic Control combustion gas mixing ratio.
Background technology
Common wall-hung boiler is the common names of people to the wall-hung boiler of employing ordinary combustion technology; This wall-hung boiler carries out work under the effect of proportioning burner (gas quantity is adjustable, intake is non-adjustable); Wall-hung boiler in working order under, combustion gas and the mixed combustion in proportion of new wind; Therefore, can reach the mixing ratio of burning completely most important for wall-hung boiler; Wall-hung boiler works under the operating mode of this mixing ratio of burning completely, and efficiency of combustion is high, disposal of pollutants index is low; The drawback of common wall-hung boiler is exactly that air coefficient is higher under the part heat load situation of wall-hung boiler because combustion gas and air cannot reach the mixing ratio of burning completely constantly; Common wall-hung boiler is under this working condition, and the thermal loss that flue gas is taken away is bigger than normal, and pollutant effulent index is higher, and the thermal efficiency is on the low side under part heat load situation; It is reported, usually in fully-loaded case, the thermal efficiency is about 90% to domestic common wall-hung boiler product; In case of smaller loads, the thermal efficiency is being about 85%; This series products exhaust gas temperature is all more than 120 DEG C; In prior art, common wall-hung boiler is modified into wall-hung condensing gas furnace, is the hot gas that traditional stove chimney is discharged, is all recycled by condenser system; But the wall-hung condensing gas furnace of a retracting device is only added at common wall hanging kiln gas, be false condensation in industry theory, because just genuine full premixed condensed wall-hung boiler, do not need to add retracting device, the heat exchanger of itself is exactly a heat exchange recycling device.
Summary of the invention
(1) technical problem that will solve
For solving the problem, the present invention proposes a kind of condensation-type gas-fired heating water heater of Electronic Control combustion gas mixing ratio; On full premix combustion mode basis, adopt electronic gas proportional air automatic adjustment technology, utilize the signal feedback of multiple pressure sensor and the flow sensor that premixed device installs additional on gas valve proportional control apparatus, control combustion state, make the quality of wall-hung boiler self adaptation combustion gas, reach efficient, energy-conservation object.
(2) technical scheme
The condensation-type gas-fired heating water heater of Electronic Control combustion gas mixing ratio of the present invention, comprises condensation heat exchange system, burning premixing system, flow collection system, pressure acquisition system, gas control system, heating water system, domestic hot-water supply system and chilled water system; Described condensation heat exchange system connects burning premixing system by gas outlet duct; Described burning premixing system connects gas control system by steam line; Described flow collection system, pressure acquisition system are installed on burning premixing system place; And difference connection control system; Described control system connects gas control system; Described condensation heat exchange system output connects heating water system and domestic hot-water supply system; Its input connects chilled water system by cold water inlet pipe;
Described condensation heat exchange system is made up of condensing heat exchanger; Described condensing heat exchanger is provided with ignition electrode, fire defector pin, superhigh temperature protection probe and fire observation window.
Described burning premixing system is connected to form by full premixed device and frequency conversion fan; Described frequency conversion fan input is provided with air pipe line interface;
Described flow collection system and pressure acquisition system are made up of multiple pressure sensor and flow sensor;
Described gas control system is made up of controller, sensor and gas ratio valve; Described controller connection control system;
Described heating water system is made up of ground heating system; Input and the output of described ground heating system are connected efferent duct and the cold water inlet pipe of condensation heat exchange system respectively.
Further, condensation heat exchange system outlet flue is connected with smoke exhaust pipe; Described smoke exhaust pipe periphery is fixed with smoke evacuation seat.
Further, between described cold water inlet pipe and chilled water system, circulating pump is installed.
Further, described circulating pump is provided with pressure sensor and automatic decompression valve.
Further, the input of described ground heating system is connected to circulating pump input.
Further, between described domestic hot-water supply system and chilled water system, plate type heat exchanger is installed.
(3) beneficial effect
Compared with prior art, it has following beneficial effect in the present invention: the condensation-type gas-fired heating water heater of Electronic Control combustion gas mixing ratio of the present invention, and its combustion system is the proportion adjustment of full premix; The exhaust gas temperature of wall-hung condensing gas furnace is minimum drops to 40 DEG C, simultaneously can air needed for control combustion by control system, makes burning more abundant, reduces CO and NO discharge, improve efficiency of combustion.
Accompanying drawing explanation
Fig. 1 is overall structure block diagram of the present invention;
Fig. 2 is overall structure schematic diagram of the present invention.
As depicted in figs. 1 and 2, the condensation-type gas-fired heating water heater of Electronic Control combustion gas mixing ratio of the present invention, comprises condensation heat exchange system G, burning premixing system H, flow collection system I, pressure acquisition system O, gas control system J, heating water system K, domestic hot-water supply system L and chilled water system M; Described condensation heat exchange system G connects burning premixing system H by gas outlet duct; Described burning premixing system H connects gas control system J by steam line; Described flow collection system I and pressure acquisition system O is installed on burning premixing system H place; And difference connection control system N; Described control system N connects gas control system J; Described condensation heat exchange system G output connects heating water system K and domestic hot-water supply system L; Its input connects chilled water system M by cold water inlet pipe;
Described condensation heat exchange system is made up of condensing heat exchanger 1; Described condensing heat exchanger 1 is provided with ignition electrode 2, fire defector pin 3, superhigh temperature protection probe 4 and fire observation window 5.
Described burning premixing system is connected to form by full premixed device 6 and frequency conversion fan 7; Described frequency conversion fan 7 input is provided with air pipe line interface 8;
Described flow collection system I and pressure acquisition system O is made up of multiple pressure sensor (not shown) and flow sensor (not shown);
Described gas control system is made up of controller (not shown), sensor (not shown) and gas ratio valve 9; Described controller connection control system;
Described heating water system is made up of ground heating system; Input A and the output R of described ground heating system are connected efferent duct 12 and the cold water inlet pipe 13 of condensation heat exchange system respectively.
Wherein, condensation heat exchange system 1 outlet flue is connected with smoke exhaust pipe 10; Described smoke exhaust pipe 10 periphery is fixed with smoke evacuation seat 11.Between described cold water inlet pipe 13 and chilled water system F, circulating pump 14 is installed.Described circulating pump 14 is provided with pressure sensor 16 and automatic decompression valve 15.The input of described ground heating system is connected to circulating pump 14 input.Between described domestic hot-water supply system C and chilled water system F, plate type heat exchanger 17 is installed.
During work, system acceptance instruction, frequency conversion fan starts, and air flows through premixed device, the pressure in premixed device, flow sensor induced signal, collect control system, by control system by showing after threshold value that corresponding conclusion goes to control gas control valve, adjustment of combustion gas flow, make the combustion gas in premixed device and air proportion mixing, reach suitable air-fuel ratio burning, the water simultaneously in condensing heat exchanger is heated; By the present invention, can air needed for control combustion, make burning more abundant, reduce CO and NO discharge, improve efficiency of combustion.
Due to connection and the signals collecting of pressure sensor and flow sensor, and signal deliver to control system after only do a comparing function, its annexation and the method for operation are prior art, do not repeat them here.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection domain of claim.
Claims (6)
1. a condensation-type gas-fired heating water heater for Electronic Control combustion gas mixing ratio, is characterized in that: comprise condensation heat exchange system, burning premixing system, flow collection system, pressure acquisition system, gas control system, heating water system, domestic hot-water supply system and chilled water system; Described condensation heat exchange system connects burning premixing system by gas outlet duct; Described burning premixing system connects gas control system by steam line; Described flow collection system and pressure acquisition system are installed on burning premixing system place; And difference connection control system; Described control system connects gas control system; Described condensation heat exchange system output connects heating water system and domestic hot-water supply system; Its input connects chilled water system by cold water inlet pipe;
Described condensation heat exchange system is made up of condensing heat exchanger; Described condensing heat exchanger is provided with ignition electrode, fire defector pin, superhigh temperature protection probe and fire observation window.
Described burning premixing system is connected to form by full premixed device and frequency conversion fan; Described frequency conversion fan input is provided with air pipe line interface;
Described flow collection system and pressure acquisition system are made up of multiple pressure sensor and flow sensor;
Described gas control system is made up of controller, sensor and gas ratio valve; Described controller connection control system.
Described heating water system is made up of ground heating system; Input and the output of described ground heating system are connected efferent duct and the cold water inlet pipe of condensation heat exchange system respectively.
2. the condensation-type gas-fired heating water heater of Electronic Control combustion gas mixing ratio according to claim 1, is characterized in that: condensation heat exchange system outlet flue is connected with smoke exhaust pipe; Described smoke exhaust pipe periphery is fixed with smoke evacuation seat.
3. the condensation-type gas-fired heating water heater of Electronic Control combustion gas mixing ratio according to claim 1, is characterized in that: be provided with circulating pump between described cold water inlet pipe and chilled water system.
4. the condensation-type gas-fired heating water heater of Electronic Control combustion gas mixing ratio according to claim 3, is characterized in that: described circulating pump is provided with pressure sensor and automatic decompression valve.
5. the condensation-type gas-fired heating water heater of the Electronic Control combustion gas mixing ratio according to claim 1 or 3, is characterized in that: the input of described ground heating system is connected to circulating pump input.
6. the condensation-type gas-fired heating water heater of Electronic Control combustion gas mixing ratio according to claim 1, is characterized in that: be provided with plate type heat exchanger between described domestic hot-water supply system and chilled water system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410373111.7A CN105571131A (en) | 2014-10-13 | 2014-10-13 | Condensation-type gas heating hot water boiler electronically controlling gas mixture ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410373111.7A CN105571131A (en) | 2014-10-13 | 2014-10-13 | Condensation-type gas heating hot water boiler electronically controlling gas mixture ratio |
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| CN105571131A true CN105571131A (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410373111.7A Pending CN105571131A (en) | 2014-10-13 | 2014-10-13 | Condensation-type gas heating hot water boiler electronically controlling gas mixture ratio |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0926439A2 (en) * | 1997-12-23 | 1999-06-30 | Renato Montini | Gas-fired boiler |
| CN101118127A (en) * | 2006-07-31 | 2008-02-06 | 海尔集团公司 | Full pre-mix condensing heating hot-water dual-purpose device |
| CN201352005Y (en) * | 2008-12-12 | 2009-11-25 | 广东万家乐燃气具有限公司 | Fully premixing condensation type gas water heater |
| CN103090541A (en) * | 2011-11-01 | 2013-05-08 | 樱花卫厨（中国）股份有限公司 | Inverted full-premix condensing gas water heater |
| CN103994581A (en) * | 2014-05-04 | 2014-08-20 | 广东万和新电气股份有限公司 | Fully-premixed combustion water heater with gas inlet device |
-
2014
- 2014-10-13 CN CN201410373111.7A patent/CN105571131A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0926439A2 (en) * | 1997-12-23 | 1999-06-30 | Renato Montini | Gas-fired boiler |
| CN101118127A (en) * | 2006-07-31 | 2008-02-06 | 海尔集团公司 | Full pre-mix condensing heating hot-water dual-purpose device |
| CN201352005Y (en) * | 2008-12-12 | 2009-11-25 | 广东万家乐燃气具有限公司 | Fully premixing condensation type gas water heater |
| CN103090541A (en) * | 2011-11-01 | 2013-05-08 | 樱花卫厨（中国）股份有限公司 | Inverted full-premix condensing gas water heater |
| CN103994581A (en) * | 2014-05-04 | 2014-08-20 | 广东万和新电气股份有限公司 | Fully-premixed combustion water heater with gas inlet device |
Non-Patent Citations (2)
| Title |
|---|
| 花景新等: "《燃气应用技术》", 31 January 2009, 化学工业出版社 * |
| 黎彦民: "燃气自适应系统在燃气采暖热水炉上的应用", 《供热制冷》 * |
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Application publication date: 20160511 |