CN204830050U - Heat energy -saving gas -cooker returns - Google Patents
Heat energy -saving gas -cooker returns Download PDFInfo
- Publication number
- CN204830050U CN204830050U CN201520469854.4U CN201520469854U CN204830050U CN 204830050 U CN204830050 U CN 204830050U CN 201520469854 U CN201520469854 U CN 201520469854U CN 204830050 U CN204830050 U CN 204830050U
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- China
- Prior art keywords
- gas
- pipe
- heat
- combustion chamber
- cooker
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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
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model discloses a heat energy -saving gas -cooker returns, include: the gas -cooker main part is equipped with airtight heat recovery room and is in the combustion chamber that this airtight heat recovery room one side has the upper shed, the combustor is established in the combustion chamber of gas -cooker main part, sealed pot circle, sealed establishing on the upper shed of the combustion chamber of gas -cooker main part becomes airtight space in the messenger combustion chamber, the circle is retrieved to the flue gas, for the hollow structure body that has a plurality of inlet ports and an exhaust port, establishes the combustor outside in the combustion chamber of gas -cooker main part, heat pipe exchanger establishes in the airtight heat recovery of gas -cooker main part indoorly, is equipped with air inlet, steam exit tube, returns the tobacco pipe and the pipe of discharging fume, retrieves with combustor and flue gas ring to communicate. This heat energy -saving gas -cooker returns accessible heat pipe exchanger has realized preheating of flue gas heat recovery and combustion air, avoids the waste heat extravagant, increasing the heat efficiency.
Description
Technical field
The utility model relates to cooker installations field for kitchen use, especially relates to a kind of back-heating type energy-saving gas cooker.
Background technology
In recent years, along with the enhancing of people's awareness of saving energy, energy recovery technology is in the construction of large-sized boiler and be used widely in running, but this technology is not yet applied in middle-size and small-size commercial gas kitchen range top design.There is larger heat loss in the gas kitchen range sold in the market, traces it to its cause: one is because gas kitchen range still continues to use traditional open fuel design, and only some is absorbed by the bottom of a pan in Fire Radiation, and all the other amount of heats are directly dispersed in surrounding air; Two is that smog discharge temperature is too high, is generally greater than 250 DEG C, and amount of heat is not recovered to utilize and is just directly emitted with flue gas.
Publication No. is that the utility model patent of CN201293363 discloses a kind of lower oil smoke exhaust and back heating integral energy-saving gas range, by arranging heat regenerator, tentatively achieve the heat recovery of flue gas, but this gas-cooker at least has the following disadvantages: one is the technical Analysis and the design that do not provide concrete heat exchanger, therefore cannot accurately calculate energy-saving effect and assess; Two is that amount of heat can directly be dispersed in air; Three is the recovery to flue gas in pot, although can increase the heat reclaimed, there is oil smoke etc. and easily adheres to heat exchanger heat exchange surface, reduce heat transfer effect in flue gas.
Utility model content
Based on the problem existing for above-mentioned prior art, the utility model provides a kind of back-heating type energy-saving gas cooker, and can realize the preheating of flue gas heat recovery and combustion air, the heat loss reducing gas kitchen range realizes energy-conservation.
For solving the problems of the technologies described above, the utility model provides a kind of backheat energy-saving gas cooker, comprising:
Gas-cooker main body, is provided with airtight heat recovery chamber and is in the combustion chamber of this airtight heat recovery chamber side with upper shed;
Burner, be located in the combustion chamber of described gas-cooker main body, this burner bottom is provided with air inlet pipe and gas inlet pipe, the outlet side of gas inlet pipe is stretched in described combustion chamber, extend into described burner base through described air inlet pipe, outside the outlet side being in the gas inlet pipe in described burner, be provided with injector;
Sealing pan circle, sealing is located in the combustion chamber upper shed of described gas-cooker main body, makes to become confined space in described combustion chamber;
Off-gas recovery circle, for having the hollow structure of some air admission holes and an exhaust opening, is located at outside the described burner in the combustion chamber of described gas-cooker main body;
Heat exchange of heat pipe, be located in the airtight heat recovery chamber of described gas-cooker main body, this heat exchange of heat pipe has air inlet, hot gas goes out pipe, return smoke pipe and smoke exhaust pipe, the sidewall that described air inlet is located at described airtight heat recovery chamber is communicated with outside described airtight heat recovery chamber, described hot gas goes out pipe and is communicated with the air inlet pipe of described burner through the sidewall of described airtight heat recovery chamber, described time smoke pipe is communicated with the exhaust opening of described off-gas recovery circle through the sidewall of described airtight heat recovery chamber, described smoke exhaust pipe extend out to outside described airtight heat recovery chamber through the sidewall of described airtight heat recovery chamber.
The beneficial effects of the utility model: by arranging sealing pan circle, have stopped combustion chamber, burner have exchanged and radiation heat transfer with the direct of air; By arranging off-gas recovery circle, the waste heat in flue gas, to heat exchange of heat pipe, is passed to cold air by heat pipe and carries out preheating, realize heat recovery by fume collection burner combustion produced.By the structure of this backheat energy-saving gas cooker, it is 250 DEG C at exhaust gas temperature, surrounding environment is 20 DEG C, when thermal efficiency of gas stove is 70%, combustion air can be brought up to 165 DEG C from 20 DEG C by heat exchange of heat pipe, per hourly can reclaim heat 18.3MJ/h from flue gas, heat recovery rate is 49.1%, and the gas kitchen range thermal efficiency improves 4.42%.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
The backheat energy-saving gas cooker structural representation that Fig. 1 provides for the utility model embodiment;
The heat pipe structure of the backheat energy-saving gas cooker that Fig. 2 provides for the utility model embodiment and fundamental diagram;
The heat pipe heat regenerator front elevation of the backheat energy-saving gas cooker that Fig. 3 provides for the utility model embodiment;
The heat pipe heat regenerator side view of the backheat energy-saving gas cooker that Fig. 4 provides for the utility model embodiment;
Fig. 5 is existing traditional gas kitchen range workflow diagram;
The workflow diagram of the backheat energy-saving gas cooker that Fig. 6 provides for the utility model embodiment;
In Fig. 1 to 4: 1, sealing pan circle; 2, combustion chamber; 3, off-gas recovery circle; 4, gas-cooker main body; 41, airtight heat recovery chamber; 5, burner; 6, injector; 7, heat-insulating shield; 8, heat pipe; 9, gas inlet pipe; 10, axial flow blower; 11, heat exchange of heat pipe; 111, hot gas goes out pipe; 112, smoke pipe is returned; 12, air inlet; 121, screen pack; 13, smoke exhaust pipe; 14, smoke regulating valve; 15, flow of flue gas direction; 16, air-flow direction; 17, evaporator section; 18, condensation segment; 19, liquid refrigerant; 20, gaseous working medium; 21, shell; 22, liquid-sucking core.
Detailed description of the invention
Be clearly and completely described the technical scheme in the utility model embodiment below, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on embodiment of the present utility model, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to protection domain of the present utility model.
As shown in Figure 1, the utility model embodiment provides a kind of backheat energy-saving gas cooker, and can realize the preheating of flue gas heat recovery and combustion air, the heat loss reducing gas kitchen range realizes energy-conservation, comprising:
Gas-cooker main body, is provided with airtight heat recovery chamber and is in the combustion chamber of this airtight heat recovery chamber side with upper shed;
Burner, be located in the combustion chamber of gas-cooker main body, this burner bottom is provided with air inlet pipe and gas inlet pipe, and the outlet side of gas inlet pipe is stretched in combustion chamber, extend into burner base through air inlet pipe, outside the outlet side being in the gas inlet pipe in burner, be provided with injector;
Sealing pan circle, sealing is located in the combustion chamber upper shed of gas-cooker main body, makes to become confined space in combustion chamber, the heat exchange of isolated combustion chamber and extraneous air;
Off-gas recovery circle, for having the hollow structure of some air admission holes and an exhaust opening, is located at outside the burner in the combustion chamber of gas-cooker main body;
Heat exchange of heat pipe, be located in the airtight heat recovery chamber of gas-cooker main body, this heat exchange of heat pipe has air inlet, hot gas goes out pipe, return smoke pipe and smoke exhaust pipe, the sidewall that air inlet is located at airtight heat recovery chamber is communicated with outside airtight heat recovery chamber, hot gas goes out pipe and is communicated with the air inlet pipe of burner through the sidewall of airtight heat recovery chamber, return smoke pipe to be communicated with the exhaust opening of off-gas recovery circle through the sidewall of airtight heat recovery chamber, the sidewall that smoke exhaust pipe passes airtight heat recovery chamber extend out to outside airtight heat recovery chamber.
As shown in figs. 2 to 4, in above-mentioned backheat energy-saving gas cooker, heat exchange of heat pipe comprises:
Described inlet air plenum both sides are oppositely arranged described air inlet and hot gas goes out to manage, and described time smoke-box both sides are oppositely arranged described smoke exhaust pipe and return smoke pipe; Described smoke exhaust pipe and air inlet are in the left side of described metal shell, and described time smoke pipe and hot gas go out the right side that pipe is in described metal shell, and the flue gas right side enters a left side and goes out, and an air left side enters the right side and goes out; Preferably, heat-insulating shield level is located in metal shell, and thickness is 10cm, and what heat-insulating shield was separated return smoke-box and inlet air plenum go to upper and lower and point be laid in metal shell;
Some heat pipes, are located in metal shell, run through inlet air plenum and return smoke-box to arrange.
This heat exchange of heat pipe frontage dimension is 1m × 0.3m, and thickness is 1m; The quantity of heat pipe is 48, is divided into 2 groups, and often group is in 6 × 4 arrangements, and the heat exchange area of every root heat pipe is about 0.125m
2.Heat pipe structure as shown in Figure 2, heat pipe is divided into evaporator section and condensation segment, evaporating section is in returning in smoke-box, condensation segment is in inlet air plenum, heat pipe by being provided with liquid-sucking core in shell, shell, the liquid working substance be stored in liquid-sucking core is formed, and becomes gaseous working medium after the liquid working substance being in evaporator section is heated, flowed to condensation segment by evaporator section, absorbed by liquid-sucking core after condensation, under the effect of liquid-sucking core capillary, be back to evaporator section, circulation is carried out the high-temperature flue gas realized outside opposite heat tube and is carried out heat exchange.
The heat of off-gas recovery circle collection flue gas effectively can be carried out preheating to the cold air introduced by the heat exchange of heat pipe of this structure, and supplied burner is burnt, and realizes heat recovery, improves efficiency of combustion.
In above-mentioned backheat energy-saving gas cooker, in the combustion chamber of gas-cooker main body, be provided with diaphragm plate, this combustion chamber be divided into upper room and lower room; The upper end of burner is horn-like, is located at the upper indoor of combustion chamber, and the air inlet pipe of bottom, combustion chamber is located at the lower indoor of combustion chamber through diaphragm plate.The combustion chamber of this separation, can reduce the thermal loss caused because space is excessive further, can better recovery waste heat.
In above-mentioned backheat energy-saving gas cooker, the hot gas being in the heat exchange of heat pipe in combustion chamber goes out pipe and is provided with axial flow blower, by the convenient wind supply quantity controlled burner of this axial flow blower.
In above-mentioned backheat energy-saving gas cooker, the air inlet of heat exchange of heat pipe is provided with screen pack, and foreign material can be avoided to enter heat exchange of heat pipe.
In above-mentioned backheat energy-saving gas cooker, the smoke exhaust pipe of heat exchange of heat pipe is provided with smoke regulating valve, the convenient adjustment to discharging flue gas.
In the backheat energy-saving gas cooker of upper room, off-gas recovery circle entirety structure ringwise, is set in outside burner, and it is flue gas that the off-gas recovery circle of this structure can collect burner each position generation, improves fume collection efficiency.
The backheat energy-saving gas cooker of the utility model embodiment, by arranging airtight combustion chamber as hot building enclosure, and heat exchange of heat pipe is set as heat reclamation device, and be located in airtight heat recovery chamber, avoid combustion chamber and extraneous air heat exchange to cause thermal loss on the one hand, the efficiency of fuel gas buring can be improved on the other hand by the waste heat warm-up combustion-supporting air of recovered flue gas; Realize the recycling of heat in flue gas more on the one hand, improve the thermal efficiency that gas kitchen range is total.This gas-cooker has important practical significance to raising fuel gas buring efficiency, Appropriate application non-renewable energy resources.
Below in conjunction with specific embodiment, gas-cooker of the present utility model is described further.
As shown in Figure 1, this gas-cooker main body is mainly divided into two parts: one is the combustion chamber 5 of right side with upper shed, is provided with axial flow blower 10, injector 6, burner 5, off-gas recovery circle 3, sealing pan circle 1 etc.; Two be left side airtight heat recovery chamber, be provided with heat exchange of heat pipe 11, screen pack 121, smoke exhaust pipe 13 etc.This gas-cooker main body 4 can mix clay structure by reinforced concrete structure reinforcing bars or other heat proof materials are made.
As shown in Figure 2, when the evaporator section 17 of heat pipe is heated, liquid as received basis 19 in liquid-sucking core 22 is heated and is evaporated to gaseous state as received basis 20, under pressure differential effect, gaseous state as received basis 20 flows to the other end along pipe internal cavity, after condensation segment 18 releases heat, be condensed into liquid as received basis 19, and absorbed by liquid-sucking core 22.Liquid as received basis 19 comes back to evaporator section 17 along liquid-sucking core 22 under capillary force effect.This course of work constantly circulates, and realizes the heat transmission from evaporator section 12 to condensation segment 18.
As shown in Figure 3, Figure 4, heat exchange of heat pipe frontage dimension is 1m × 0.3m, and thickness is 1m.Respectively there are two air ports both sides, and upper end, right side is flue gas return pipe 111, and upper end, left side is smoke exhaust pipe 13, and the flue gas right side enters a left side and goes out, and lower end, left side is air inlet 12, and lower end, right side is that hot gas goes out pipe 112, and an air left side enters the right side and goes out.Amounting to needs the heat exchange area of heat pipe 8 to be 6m
2, the heat exchange area of single heat pipe 8 is about 0.125m
2, amount to and need to set heat pipe 8 as 48, heat pipe 8 is set to 2 groups, and often group is in 6 × 4 arrangements.Establish horizontal heat-insulating shield 7 in heat exchanger middle, thickness is 10cm.
As shown in Figure 5, except being absorbed by the bottom of a pan, also there is heat and directly distribute and directly discharge with flue gases duct, slattern amount of heat in the heat that the combustion gas of the conventional gas kitchen range top produces in combustion chambers burn.And as shown in Figure 6, the heat that gas kitchen range burner 5 of the present utility model produces, major part is absorbed by the bottom of a pan; Because the sealing pan circle of this gas-cooker 1 is hermetically-sealed construction, thus avoid combustion chamber, burner exchanges and radiation heat transfer with the direct of air; The flue gas that burning produces enters heat exchange of heat pipe 11 by off-gas recovery circle 3, the waste heat in flue gas is passed to cold air by heat pipe 8, realizes heat recovery.
The above; be only the utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (8)
1. a backheat energy-saving gas cooker, is characterized in that, comprising:
Gas-cooker main body, is provided with airtight heat recovery chamber and is in the combustion chamber of this airtight heat recovery chamber side with upper shed;
Burner, be located in the combustion chamber of described gas-cooker main body, this burner bottom is provided with air inlet pipe and gas inlet pipe, the outlet side of gas inlet pipe is stretched in described combustion chamber, extend into described burner base through described air inlet pipe, outside the outlet side being in the gas inlet pipe in described burner, be provided with injector;
Sealing pan circle, sealing is located in the combustion chamber upper shed of described gas-cooker main body, makes to become confined space in described combustion chamber;
Off-gas recovery circle, for having the hollow structure of some air admission holes and an exhaust opening, is located at outside the described burner in the combustion chamber of described gas-cooker main body;
Heat exchange of heat pipe, be located in the airtight heat recovery chamber of described gas-cooker main body, this heat exchange of heat pipe is provided with air inlet, hot gas goes out pipe, return smoke pipe and smoke exhaust pipe, the sidewall that described air inlet is located at described airtight heat recovery chamber is communicated with outside described airtight heat recovery chamber, described hot gas goes out pipe and is communicated with the air inlet pipe of described burner through the sidewall of described airtight heat recovery chamber, described time smoke pipe is communicated with the exhaust opening of described off-gas recovery circle through the sidewall of described airtight heat recovery chamber, described smoke exhaust pipe extend out to outside described airtight heat recovery chamber through the sidewall of described airtight heat recovery chamber.
2. backheat energy-saving gas cooker according to claim 1, is characterized in that, described heat exchange of heat pipe comprises:
Metal shell, arranges heat-insulating shield in it, and described heat-insulating shield will be divided into inlet air plenum and return smoke-box in this metal shell, described inlet air plenum both sides are oppositely arranged described air inlet and hot gas goes out to manage, and described time smoke-box both sides are oppositely arranged described smoke exhaust pipe and return smoke pipe; Described smoke exhaust pipe and air inlet are in the left side of described metal shell, and described time smoke pipe and hot gas go out the right side that pipe is in described metal shell;
Some heat pipes, are located in described metal shell, run through described and return smoke-box and inlet air plenum setting.
3. backheat energy-saving gas cooker according to claim 1 and 2, is characterized in that, described heat exchange of heat pipe frontage dimension is 1m × 0.3m, and thickness is 1m;
The quantity of heat pipe is 48, is divided into 2 groups, and often group is in 6 × 4 arrangements, and the heat exchange area of every root heat pipe is 0.125m
2;
Heat-insulating shield level is located in described metal shell, and thickness is 10cm, and described time smoke-box and inlet air plenum go to upper and lower and point to be laid in described metal shell.
4. backheat energy-saving gas cooker according to claim 1 and 2, is characterized in that, is provided with diaphragm plate in the combustion chamber of described gas-cooker main body, this combustion chamber is divided into upper room and lower room;
The upper end of described burner is horn-like, is located at the upper indoor of described combustion chamber, and the air inlet pipe of bottom, described combustion chamber is located at the lower indoor of described combustion chamber through described diaphragm plate.
5. backheat energy-saving gas cooker according to claim 1 and 2, is characterized in that, the hot gas being in the described heat exchange of heat pipe in described combustion chamber goes out pipe and is provided with axial flow blower.
6. backheat energy-saving gas cooker according to claim 1 and 2, is characterized in that, the air inlet of described heat exchange of heat pipe is provided with screen pack.
7. backheat energy-saving gas cooker according to claim 1 and 2, is characterized in that, the smoke exhaust pipe of described heat exchange of heat pipe is provided with smoke regulating valve.
8. backheat energy-saving gas cooker according to claim 1 and 2, is characterized in that, described off-gas recovery circle entirety structure ringwise, is set in outside described burner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520469854.4U CN204830050U (en) | 2015-07-02 | 2015-07-02 | Heat energy -saving gas -cooker returns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520469854.4U CN204830050U (en) | 2015-07-02 | 2015-07-02 | Heat energy -saving gas -cooker returns |
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| Publication Number | Publication Date |
|---|---|
| CN204830050U true CN204830050U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520469854.4U Expired - Fee Related CN204830050U (en) | 2015-07-02 | 2015-07-02 | Heat energy -saving gas -cooker returns |
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| Country | Link |
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| CN (1) | CN204830050U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964312A (en) * | 2015-07-02 | 2015-10-07 | 山东建筑大学 | Regenerative energy-saving gas cooker |
| CN105698231A (en) * | 2016-04-29 | 2016-06-22 | 佛山市顺德区蓝贝电器设备有限公司 | Novel energy-saving environment-friendly stove |
-
2015
- 2015-07-02 CN CN201520469854.4U patent/CN204830050U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964312A (en) * | 2015-07-02 | 2015-10-07 | 山东建筑大学 | Regenerative energy-saving gas cooker |
| CN105698231A (en) * | 2016-04-29 | 2016-06-22 | 佛山市顺德区蓝贝电器设备有限公司 | Novel energy-saving environment-friendly stove |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20180702 |