CN201209893Y - Energy-saving range with waste heat recovery function - Google Patents
Energy-saving range with waste heat recovery function Download PDFInfo
- Publication number
- CN201209893Y CN201209893Y CNU2008200583984U CN200820058398U CN201209893Y CN 201209893 Y CN201209893 Y CN 201209893Y CN U2008200583984 U CNU2008200583984 U CN U2008200583984U CN 200820058398 U CN200820058398 U CN 200820058398U CN 201209893 Y CN201209893 Y CN 201209893Y
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- waste heat
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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
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Abstract
The utility provides an energy-saving oven with residual heat recovery function, belonging to oven field. The energy-saving oven comprises energy-saving oven head, main gas inlet pipe, air inlet pipe, inner wall of oven, outer wall of oven and water container of oven. The energy-saving oven head comprises oven head base, cover board of base, mixing chamber and combustion disc in order from bottom to top. The energy-saving oven head can provide high combustion efficiency for gas and low tail gas discharge, residual heat produced by oven can be utilized by water container of oven to produce hot water for kitchen or for other uses.
Description
Technical field
The utility model belongs to the cooking stove field, is a kind of kitchen range with efficient, energy-saving and environmental protection of function of recovering waste heat.
Background technology
All kinds of commercial stoves in the market, in general, function is more single, is exactly burning mainly, and has multiple disadvantage: (1) combustion mode is the mixing burning in back, be that combustion gas or fuel oil are in the burner hearth internal combustion, mix with air, this must cause part combustion gas or fuel oil to fail fully to mix with air, thereby causes part combustion gas or fuel oil to fail fully to burn promptly to discharge from flue, not only energy waste, and environmental pollution is serious; (2) igniter is in the burner bottom, and igniting is difficult for, and operating personnel burn because of igniting sometimes; (3) waste heat of cooking stove burning wastes, and can't recycle, and causes energy waste indirectly.
The utility model content
The purpose of this utility model provides a kind of energy-saving stove with function of recovering waste heat, the energy-saving cooking stove head that is adopted, and the efficiency of combustion height, exhaust emissions is few; And, can also be used to the waste heat that cooking stove produced, produce hot water for kitchen use, or the hot water of other purposes.
A kind of energy-saving stove with function of recovering waste heat.It is to realize like this, this energy-saving stove comprises: energy-saving cooking stove head, from bottom to top, comprise the kitchen range base successively, form by a mounting and a seat two parts, wherein the seat head is made up of a seat upper limb and the premix chamber two parts that are provided with premix chamber air openings, top, premix chamber is a premix chamber opening, and the base cover plate is withheld the seat upper limb at the kitchen range base, the base cover plate portion of corresponding premix chamber opening is provided with base cover plate air guide port, hybrid chamber is for withholding the hollow cavity structure above the base cover plate, tray for combustion, withhold above hybrid chamber, corresponding hollow space is provided with the tray for combustion air guide port; Combustion gas master air inlet pipe is the passage in order to the conducting combustion gas, in described premix chamber opening is set; The air blast pipe is the passage in order to the conducting air, and the mounting of described stove base is provided with opening; The stove inwall, the inner wall section of the cooking stove that is provided with for contiguous energy-saving cooking stove head; Furnace outer wall is the wall part in the cooking stove relative with the cooking stove inwall outside; The stove water receptacle is arranged on the appearance water cavity between stove inwall and the furnace outer wall.
Advantage of the present utility model is: the energy-saving cooking stove head that is adopted, and by the effect of combustion gas premix, the efficiency of combustion height that can make combustion gas, exhaust emissions is few; And, by being used, can produce hot water for kitchen use to the waste heat that cooking stove produced, or the hot water of other purposes.
Description of drawings:
Fig. 1 is the cutaway view with energy-saving stove of function of recovering waste heat described in the utility model.
Fig. 2 is the cutaway view of energy-saving cooking stove head part in the energy-saving stove described in the utility model.
Fig. 3 is the top view of base cover plate in the energy-saving cooking stove head described in the utility model.
Fig. 4 is the top view of tray for combustion in the energy-saving cooking stove head described in the utility model.
Fig. 5 is the structural representation of fire rod in the energy-saving cooking stove head described in the utility model.
Fig. 6 is the structural representation of the water coil described in the utility model.
Fig. 7 a is the cutaway view of energy-saving stove described in the utility model, is other embodiment.
Fig. 7 b is the structural representation of the water pond groove described in the utility model, the embodiment shown in corresponding Fig. 7 a.
Fig. 8 is the cutaway view with energy-saving stove of function of recovering waste heat described in the utility model, is other embodiment.
The specific embodiment
Number designation explanation among the figure:
The 100-energy-saving stove, 101-energy-saving cooking stove head, 102-body of heater, 103-stove inwall, 104-furnace outer wall, chamber, 105-furnace wall, 106-table top, 107-bracing ring, 108-waste gas gas outlet, 109-pot; 200-kitchen range base, 201-mounting, 202-mounting sidewall, 203-mounting base plate, 204-mounting upper limb, 205-seat head, a 206-seat upper limb, 207-premix chamber, 207a-premix chamber air intake, 208-combustion gas cap, 208a-gas outlet; 300-base cover plate, 300a-base cover grillage body, 300b-base cover plate gas port, the 301-hybrid chamber, 301a-hybrid chamber sidewall, 301b-mixing chamber, the 302-tray for combustion, 302a-tray for combustion support body, 302b-tray for combustion gas port, 303-banking fire circle, 303a-banking fire circle support body, 303b-banking fire circle cavity, the 304-fire rod, 304a-ever-burning flame wireway, 304b-ever-burning flame combustion gas cap, the 304c-negative electrode, the 304d-cathode point, 304e-anode, 304f-anode tip, 305-combustion gas master air inlet pipe, 305a-master's air cock, 306-air blast pipe, 306a-blast pipe switch, 307-ever-burning flame air inlet switch, the 308-ignition switch; 400-stove water receptacle, 401-kitchen range chamber water receptacle, 402-water coil, 402a-M type water coil, the 402b-body, 402c-manages the lower end, 402d-manages upper end, 403-table top water receptacle, 404-table top water pond groove, 404a-water pond groove outer rim, 404b-water pond groove inner edge, 404c-vallecular cavity, 404d-cell body baffle plate, 404e-dish groove current, 404f-water pond groove inlet, the outlet of 404g-water pond groove, 405-gas outlet water receptacle, 406-gas outlet water coil.
Energy-saving stove 100 described in the utility model, the waste heat that utilizes burning to produce heats stove water receptacle 400, reaches the purpose of recovery waste heat.Cooking stove from inside to outside, its primary structure comprises following several sections: (1) energy-saving cooking stove head 101, (2) stove inwall 103, (3) chamber, furnace wall 105, (4) stove water receptacle 400, (5) furnace outer wall 104; In addition, above body of heater 102, also has the table top 106 of body of heater.At the opening portion of burner hearth, also be fit to be provided with bracing ring 107, such as adopting iron ring to make, be used for supporting pot 109.
Below, cooperating accompanying drawing, concrete part is elaborated.
(1) energy-saving cooking stove head 101
Shown in main reference Fig. 1,2,3,4,5.
At first join shown in Figure 2ly, in the present embodiment, energy-saving cooking stove head 101 mainly includes 6 parts, is respectively: kitchen range base 200, base cover plate 300, hybrid chamber 301, tray for combustion 302, banking fire circle 303, fire rod 304.The pipeline that also has combustion gas and ventilation aspect in addition.
The cavity that mounting sidewall 202 and mounting base plate 203 are surrounded at first can receptacle seat head 205, and in addition, the cavity of hollow can put air, and air just can compile in this cavity after air blast pipe 306 enters.The marginal portion of the top of mounting sidewall 202 is called mounting upper limb 204.
Described 205, include a seat upper limb 206 and premix chamber 207 two parts.A seat upper limb 206 is the card parts that are used to withhold above mounting upper limb 204, and the sidewall in premix chamber 207 is coupled logical.207 tops, premix chamber are opening portion.On the sidewall in premix chamber 207, be provided with a plurality of openings, allow air therefrom to enter, be called premix chamber air intake 207a.Simultaneously, the bottom in premix chamber 207 is connected with combustion gas master air inlet pipe 305, and combustion gas can be derived by this air inlet pipe.Corresponding premix chamber 207, the top of combustion gas master air inlet pipe 305 is provided with combustion gas cap 208.Combustion gas cap 208 is cavitys of lower opening, periphery and top sealing.On the sidewall of combustion gas cap 208, be provided with a plurality of openings, combustion gas just can be derived from these openings, and this opening is called gas outlet 208a.
So air at first enters into the cavity of mounting 201 from air intake duct 306, enter into premix chamber 207 by premix chamber air intake 207a then; Combustion gas imports from combustion gas master air inlet pipe 305, and then via the opening on the combustion gas cap 208, promptly gas outlet 208a derives, so in premix chamber 207, combustion gas and air just can be realized primary immixture.Further, combustion gas and Air mixing gas are upwards derived through the opening of 207 tops, premix chamber.
In order to make after gas therefrom derives, strengthen mixed effect by the mode that produces vortex, be fit to base cover plate gas port 300b with respect to card, is arranged to have the form at inclination angle.Please join shown in Figure 3 in addition.
As shown in Figure 3, drawn the perspective view of base cover plate gas port 300b, each gas port be to there being two small circles, representing air guide port at the base cover grillage body 300a opening on two cards up and down respectively.Because base cover plate gas port 300b is provided with at a slant with respect to card, so in its top view, the position of upper and lower opening does not overlap.
It is shown in Figure 2 to continue ginseng, and hybrid chamber 301 wherein is to reach all empty cavity body structure of mid portion up and down.Its sidewall sections is called hybrid chamber sidewall 301a.Hollow space by hybrid chamber sidewall 301a is surrounded is called mixing chamber 301b.
Described base cover plate 300 and hybrid chamber 301 are cooperating, and combustion gas and Air mixing gas can be realized mixing for the second time.In addition, base cover plate 300 and hybrid chamber 301 cooperate the gas mixed structure that forms, and can be provided with multistage.Such as above hybrid chamber 301, base cover plate 300 can also be set again, further, on this base cover plate 300, must be equipped with hybrid chamber 301.Such as this mode, 1～3 grade base cover plate 300 and hybrid chamber 301 can be set; Certainly, specifically number does not limit.
In addition, hybrid chamber 301 also can independently be provided with multistage, in order to improve the height of energy-saving cooking stove head 101.Such as, hybrid chamber 301 can be provided with 1～3 grade; Certainly, specifically number does not limit.
Above hybrid chamber 301, be provided with tray for combustion 302.Please join shown in Figure 4 in addition.The frame part of tray for combustion 302 is called tray for combustion support body 302a.On tray for combustion support body 302a, be provided with gas vent, be called tray for combustion gas port 302b.Mixed gas in the hybrid chamber 301, after tray for combustion gas port 302b derives, just can be for having lighted.
For the mist that makes air and combustion gas can produce vortex after deriving, be fit to tray for combustion gas port 302b is arranged to have the structure at inclination angle with respect to card.Similar with foregoing base cover plate gas port 300b.In the present embodiment, be provided with the tray for combustion gas port 302b that 3 circles have the inclination angle.
Above tray for combustion 302, be provided with banking fire circle 303.The whole hollow out cavity part of banking fire circle 303 is called banking fire circle support body 303a.The cavity part of hollow is called banking fire circle cavity 303b.Utilize the suppressing action of banking fire circle 303, the flame burning of the structure of fixed combustion dish 302 and below, and qualification better space.
As shown in Figure 5, fire rod 304 mainly includes 3 parts, is respectively ever-burning flame wireway 304a, is used for the combustion gas that ever-burning flame is lighted in conducting; Negative electrode 304c; Anode 304e.The tip portion of described negative electrode 304c is called cathode point 304d; The tip portion of anode 304e is called anode tip 304f; The head portion of ever-burning flame wireway 304a is stamped the ever-burning flame combustion gas cap 304b of a cap shape, on ever-burning flame combustion gas cap 304b, is provided with aperture, as the outlet of combustion gas.Utilize ignition switch shown in Figure 1 308, after the start-up point lighted torch 304, discharge between cathode point 304d and the anode tip 304f, thereby light the combustion gas that discharges through ever-burning flame combustion gas cap 304a.
In addition, on kitchen range base 200, base cover plate 300, tray for combustion 302, corresponding fire rod 304 all is provided for putting the hatch frame of fire rod 304.
In fact comprehensive, combustion gas at first enters into premix chamber 207 from combustion gas master air inlet pipe 305, simultaneously, air enters among the mounting 201 from air blast pipe 306, and enters into premix chamber 207 via premix chamber air intake 207a, and combustion gas and air are finished mixed for the first time effect in premix chamber 207.Then, mixed gas through being provided with the base cover plate 300 of base cover plate gas port 300b, enters into hybrid chamber 301 with vortex shape for the first time, realizes mixing for the second time.Then, mist is via the tray for combustion gas port 302b in the tray for combustion 302, with the form derivation of vortex, for the usefulness of burning.
Utilize aforesaid energy-saving cooking stove head 101, combustion gas fully mixes with air, and fuel gas buring gets very abundant, and tail gas pollution is few, the fractional energy savings height.
(2) the stove inwall 103
Shown in ginseng Fig. 1, the 7a, 8.Stove inwall 103 needs to adopt refractory material to make.Such as, refractory brick, seat clay, perhaps other refractory material can.
(3) chamber, furnace wall 105
Refer to the cavity structure between stove inwall 103 and the furnace outer wall 104.In the utility model, this part-structure being set, is for stove water receptacle 400 is set, and is in waste heat under the fired state to utilize stove.
(4) the stove water receptacle 400
Described kitchen range chamber water receptacle 401 is joined shown in Figure 1ly, and this is arranged on the water receptacle in the chamber, furnace wall 105, can be water pipe, can be water tank also, does not limit.In the present embodiment, set kitchen range chamber water receptacle is a water pipe structure, because it is around the body of heater setting, so be called water coil 402.
Join shown in Figure 6ly, in the present embodiment, set water coil 402 is called M type water coil 402a.Described M type water coil, as shown in FIG., it is communicated with the pipeline of being formed as a plurality of alphabetical M.Between pipe lower end 402c and pipe upper end 402d, be body 402b, in this pipeline, can allow current to pass through.Certainly, water coil 402 also can adopt other set-up mode, does not limit.
Described table top water receptacle 403 is to be close to the water container structure that table top 106 is provided with.Shown in ginseng Fig. 7 a, the 7b, the table top water receptacle 403 among this embodiment is sink structures of a plate-like, is called table top water pond groove 404.Shown in ginseng Fig. 7 b, table top water pond groove 404 is by the water pond groove outer rim 404a that is positioned at the periphery, is positioned at inboard water pond groove inner edge 404b, and base arrangement up and down surrounds.The cavity that is surrounded is called vallecular cavity 404c.The water pond groove is provided with water pond groove inlet 404f, and the water in the tank promptly coils groove current 404e, flows through in vallecular cavity 404c, and temperature rises behind the waste heat on the absorption table top, and 404g flows out through the outlet of water pond groove.Between water pond groove inlet 404f and water pond groove outlet 404g, be provided with cell body baffle plate 404d, both can be kept apart, so that dish groove current 404e can form circulation.
Described gas outlet water receptacle 405 is arranged on the water container structure at 108 places, waste gas gas outlet.Join shown in Figure 8ly, in the present embodiment,, be provided with the water pipe structure of plate-like, be called gas outlet water coil 406 at 108 places, waste gas gas outlet.That is to say that the gas outlet water receptacle 405 in the present embodiment is realized by gas outlet water coil 406.Certainly, the concrete structure of gas outlet water receptacle 405 does not limit.
In stove water receptacle 400, the temperature inductor in order to water temperature detection can be set as required, so that the water temperature in the stove water receptacle is tested and controlled.The principle of temperature inductor does not limit, and can be temperature detect switch (TDS) etc. specially in order to measure water temperature yet.
Foregoing kitchen range chamber water receptacle 401, table top water receptacle 403, gas outlet water receptacle 405 in the specific implementation, must be provided with one of them at least.If be provided with two, perhaps three when all being provided with, be fit to the three is communicated with; But do not limit yet.
(5) furnace outer wall 104
Furnace outer wall 104 is arranged on the wall structure in body of heater 102 outsides.Be fit to adopt insulation material to make, such as materials such as diatomite, bentonite, perlites, heat-proof quality is good, and high temperature resistant simultaneously, high heat all is good selection, but does not limit.In addition, the metal level that is similar to iron sheet one class can also be fixed in furnace outer wall 104 outsides, to strengthen its firm.
Be illustrated at its use below:
Open ever-burning flame air inlet switch 307, push ignition switch 308, after fire rod 304 discharges, both can light the ever-burning flame at ever-burning flame combustion gas cap 304b place.If be provided with air blast, 306a opens with the blast pipe switch, promptly can begin air blast; And then open main air cock 305a, combustion gas master air inlet pipe 305 just can the conducting combustion gas.Air and combustion gas are carried out the first time and are mixed in premix chamber 207.The base cover plate gas port 300b of mixed gas on base cover plate 300 for the first time, vortex and enter into hybrid chamber 301 and carry out mixing second time, thereby make combustion gas and air be able to fully mix.The twice tray for combustion gas port 302b of mixed gas on tray for combustion 302 derives, and lights after-combustion through ever-burning flame.The heat that combustion gas produces in energy-saving cooking stove head 101, a part is injected into the bottom of a pan, directly uses for cooking; A part is delivered in the chamber, furnace wall 105 through stove inwall 103, and then the water in the kitchen range chamber water receptacle 401 is heated; Another part distributes by table top 106, and by the table top water receptacle 403 in the utility model, this part heat absorption can be fallen; Some heat by waste gas gas outlet 108, along with toxic emission is come out, and by the set gas outlet water receptacle 405 of the utility model, also can use this part energy.
Utilize the utility model,, in burning, can save combustion gas by energy-saving cooking stove head; And, can utilize the waste heat that produces in the combustion process, with the water heating, for kitchen and other places provide hot water.
More than be to description of the present utility model, and unrestricted, based on other embodiment of the utility model thought, also within protection domain of the present utility model.
Claims (17)
1. the energy-saving stove that has function of recovering waste heat is characterized in that this energy-saving cooking stove head comprises:
Energy-saving cooking stove head from bottom to top, comprises successively
The kitchen range base is made up of a mounting and a seat two parts, and wherein the seat head is made up of a seat upper limb and the premix chamber two parts that are provided with premix chamber air openings, and top, premix chamber is a premix chamber opening,
The base cover plate is withheld the seat upper limb at the kitchen range base, and the base cover plate portion of corresponding premix chamber opening is provided with base cover plate air guide port,
Hybrid chamber, for withholding the hollow cavity structure above the base cover plate,
Tray for combustion is withheld above hybrid chamber, and corresponding hollow space is provided with the tray for combustion air guide port;
Combustion gas master air inlet pipe is the passage in order to the conducting combustion gas, in described premix chamber opening is set;
The air blast pipe is the passage in order to the conducting air, and the mounting of described stove base is provided with opening;
The stove inwall, the inner wall section of the cooking stove that is provided with for contiguous energy-saving cooking stove head;
Furnace outer wall is the wall part in the cooking stove relative with the cooking stove inwall outside;
The stove water receptacle is arranged on the appearance water-bound on the body of heater.
2. the energy-saving stove with function of recovering waste heat according to claim 1, it is characterized in that: described stove water receptacle includes the furnace chamber water receptacle that is arranged in the chamber, furnace wall, is arranged on table top water receptacle on the table top, is arranged on the gas outlet water receptacle three one at least at the place, waste gas gas outlet of energy-saving stove.
3. the energy-saving stove with function of recovering waste heat according to claim 1 and 2 is characterized in that: the water coil that described furnace chamber water receptacle is made up of water pipe.
4. the energy-saving stove with function of recovering waste heat according to claim 2 is characterized in that: described furnace chamber water receptacle is the M type water coil of M type structure.
5. the energy-saving stove with function of recovering waste heat according to claim 2 is characterized in that: described table top water receptacle is between water pond groove inlet and the outlet of water pond groove, is provided with the table top water pond groove of the cell body baffle plate that intercepts both usefulness.
6. the energy-saving stove with function of recovering waste heat according to claim 2 is characterized in that: described gas outlet water receptacle, the gas outlet water coil of being made up of water pipe.
7. the energy-saving stove with function of recovering waste heat according to claim 1 is characterized in that: be provided with the temperature inductor that is used for water temperature detection in the stove water receptacle.
8. the energy-saving stove with function of recovering waste heat according to claim 1, it is characterized in that: described stove inwall, be the interior wall construction that adopts the ceramic powders compacting to form, the interior wall construction that adopts seat clay to be pressed into, and the interior wall construction three one that adopts diatomite to be pressed into.
9. the energy-saving stove with function of recovering waste heat according to claim 1 is characterized in that: described furnace outer wall is provided with diatomite, bentonite, perlite three material one at least.
10. the energy-saving stove with function of recovering waste heat according to claim 1 is characterized in that: above described tray for combustion, be provided with the banking fire circle of hollow.
11. the energy-saving stove with function of recovering waste heat according to claim 1 is characterized in that: the gas mixed structure by base cover plate and hybrid chamber are formed includes one-level at least.
12. the energy-saving stove with function of recovering waste heat according to claim 1 is characterized in that: the hybrid chamber of described energy-saving stove is provided with 1～3 grade continuously.
13. the energy-saving stove with function of recovering waste heat according to claim 1, it is characterized in that:, be provided with the fire rod of forming by fire rod negative electrode, fire rod anode, ever-burning flame air inlet pipe three in the centre position of kitchen range base, base cover plate, hybrid chamber, tray for combustion.
14. the energy-saving stove with function of recovering waste heat according to claim 1, it is characterized in that: in described premix chamber, corresponding to the opening periphery of combustion gas master air inlet pipe, be provided with the combustion gas cap of forming and be provided with gas outlet by combustion gas cap sidewall and combustion gas cap upper disk surface.
15. the energy-saving stove with function of recovering waste heat according to claim 1 is characterized in that: on the base cover plate, be provided with the base cover plate gas port that has the inclination angle with respect to base cover plate card.
16. the energy-saving stove with function of recovering waste heat according to claim 1 is characterized in that: on tray for combustion, be provided with the tray for combustion gas port that has the inclination angle with respect to the tray for combustion card.
17. the energy-saving stove with function of recovering waste heat according to claim 1 is characterized in that: on described burner base, base cover plate, hybrid chamber, tray for combustion, be provided with the fixing hole of up/down perforation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200583984U CN201209893Y (en) | 2008-05-15 | 2008-05-15 | Energy-saving range with waste heat recovery function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200583984U CN201209893Y (en) | 2008-05-15 | 2008-05-15 | Energy-saving range with waste heat recovery function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201209893Y true CN201209893Y (en) | 2009-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200583984U Expired - Fee Related CN201209893Y (en) | 2008-05-15 | 2008-05-15 | Energy-saving range with waste heat recovery function |
Country Status (1)
| Country | Link |
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| CN (1) | CN201209893Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108784338A (en) * | 2018-06-12 | 2018-11-13 | 合肥职业技术学院 | A kind of environment-friendly type burning jamb of hot-water bottle heating |
-
2008
- 2008-05-15 CN CNU2008200583984U patent/CN201209893Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108784338A (en) * | 2018-06-12 | 2018-11-13 | 合肥职业技术学院 | A kind of environment-friendly type burning jamb of hot-water bottle heating |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090318 Termination date: 20100515 |