CN201688554U - Atmospheric hot water heating system - Google Patents
Atmospheric hot water heating system Download PDFInfo
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- CN201688554U CN201688554U CN2010202176481U CN201020217648U CN201688554U CN 201688554 U CN201688554 U CN 201688554U CN 2010202176481 U CN2010202176481 U CN 2010202176481U CN 201020217648 U CN201020217648 U CN 201020217648U CN 201688554 U CN201688554 U CN 201688554U
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Abstract
The utility model discloses an atmospheric hot water heating system, including a combusting device and an atmospheric heater, an air flue of the atmospheric heater is separated by horizontal baffles to form horizontal flue gas channels arranged up and down in parallel, the horizontal flue gas channels are separated by vertical baffles to form upper and lower flue gas channels in parallel, the vertical baffles are provided with heat exchange tubes, the inner of the vertical baffles is formed into a vertical heat exchange chamber communicated with the bottom of an atmospheric water tank; the heating system adopts folding flue gas orientation in the horizontal direction and the vertical direction, the water can be circulated up and down by self, such that it is possible to reduce the exhaust emission temperature, improve thermal efficiency of the heat exchange part and reduce fuel consumption with identical hot water yield without addition of the volume of the heater; the combustion efficiency and heat exchange efficiency are all high, such that the discharge of harmful gases of carbon dioxide and the like are reduced greatly, simultaneously, the powder dust may be directly remained on the bottom of the air flue due to the folding air flue so as to prevent the powder dust from directly discharging to the atmospheric air, such that the heating system is of environmental protection.
Description
Technical field
The utility model relates to a kind of water heater funnel, particularly a kind of normal-pressure hot water heating system.
Background technology
Boiler is to utilize the heat energy of fuel or other energy water to be heated as the plant equipment of hot water or steam.Hot water that produces in the boiler or steam can be directly provide necessary energy for industrial production and people's lives; Provide the boiler of hot water to be called hot-water boiler, be mainly used in life, a small amount of application is also arranged in the industrial production; The boiler that produces steam is called steam boiler.
For the long north of heating cycle, boiler is the urban life imperative equipment; Hot-water boiler is widely used in people's life because pressure is low, safety coefficient is high; In industrial production,, also how to provide by hot-water boiler to the demand of hot water.
Hot-water boiler generally comprises burner and calandria, and the fuel that general burner with high efficiency adopts mostly is coal dust, has higher efficient.But existing boiler heat exchanging part generally adopts the water heating, delivers to the user by dynamic power machine, is back to calandria again with the back cooling, and heat exchange efficiency is not high; For making hot water reach temperature about 90 ℃, generally more than 150 ℃, the heat exchange efficiency of boiler is low for the temperature of boiler waste gas outlet, reduces the utilization rate of fuel, is unfavorable for energy savings; Simultaneously, existing hot-water boiler toggle speed is slow, has increased fuel consumption; And the efficiency of combustion of fuel is not high, increases the discharging of pernicious gas and dust, is unfavorable for environmental protection.
Therefore, need improve, can reduce the toxic emission temperature, improve the thermal efficiency of heat exchanging part, reduce the consumption of fuel under the prerequisite of identical hot water quantum of output, energy savings existing hot-water boiler; Reduce the discharging of pernicious gas and dust, be beneficial to environmental protection.
The utility model content
In view of this, the utility model provides a kind of normal-pressure hot water heating system, can reduce the toxic emission temperature, improves the thermal efficiency of heat exchanging part, reduces the consumption of fuel under the prerequisite of identical hot water quantum of output, energy savings; Reduce the discharging of pernicious gas and dust, be beneficial to environmental protection.
Normal-pressure hot water heating system of the present utility model comprises burner and normal pressure heater, and described normal pressure heater comprises body of heater, be arranged on the combustion chamber in the body of heater and go out the flue of flue gas channel connection with the combustion chamber, and described burner exhanst gas outlet is communicated in the combustion chamber;
Described flue is separated to form horizontal exhaust gases passes arranged side by side up and down by horizontal baffle, level interlaces to make between the adjacent level exhaust gases passes and forms the horizontal baffling formula structure that communicates between the air inlet of adjacent level exhaust gases passes, and described combustion chamber communicates with the horizontal exhaust gases passes of foot; Horizontal exhaust gases passes is separated to form level exhaust gases passes up and down arranged side by side by vertical clapboard, interlaces up and down between the air inlet of adjacent up and down exhaust gases passes to make the adjacent deflector type structure that communicates that forms between the exhaust gases passes up and down up and down; Described body of heater top is provided with the normal pressure water tank, forms the vertical heat exchanging chamber that communicates with the normal pressure water tank bottom in the vertical clapboard, and described vertical heat exchanging chamber is from top to bottom by whole horizontal exhaust gases passes; The both side surface that described vertical clapboard contacts with flue gas all vertically is provided with heat exchanging pipe, and described heat exchanging pipe upper and lower side all communicates with vertical heat exchanging chamber.
Further, the described air inlet of exhaust gases passes up and down is set up in parallel by level and is communicated with the adjacent through hole of exhaust gases passes up and down and constitutes; In the described vertical heat exchanging chamber heat pipe is set, the lower end edge of described heat pipe radially stretches into the air inlet of the exhaust gases passes up and down of bottom air inlet;
Further, described horizontal baffle is that sandwich forms the horizontal heat exchanging chamber that communicates with vertical heat exchanging chamber; Described furnace body wall is the sandwich that is interconnected and forms the sidewall heat exchanging chamber that communicates with the normal pressure water tank, and described furnace body wall, horizontal baffle and vertical clapboard are made by the thermostable heat-conductive material; The outer surface of described furnace body wall is provided with heat-insulation layer;
Further, each horizontal exhaust gases passes is provided with heat exchanging pipe respectively; Described body of heater horizontal cross-section is a rectangle, sidewall and left and right sides sidewall before and after comprising, all corresponding with the horizontal exhaust gases passes upright side walls heat exchanging pipe that is provided with in front and back inside sidewalls surface;
Further, the hot water outlet pipe's of described normal pressure water tank water inlet is higher than the inner surface at the bottom of the normal pressure water tank;
Further, described combustion chamber go out the flue gas channel bit in the burner exhanst gas outlet over against madial wall top and in the combustion chamber horizontal-extending, combustion chamber and burner exhanst gas outlet over against madial wall and the bottom surface between and and go out between the flue gas channel outer wall lower surface to be arc transition;
Further, described burner comprises primary zone and ignition system, the combustion chamber is communicated with coal dust jet pipe and combustion-supporting gas channel, described combustion-supporting gas channel comprises and directly blows passage and make exit gas be the cyclone channel of eddy flow state, and described gas vent direction of directly blowing passage is consistent with the coal dust emission direction of coal dust jet pipe; Described cyclone channel is made of the air inlet pipe that is distributed in the combustion chamber inwall, and described air inlet pipe turns forward and its axis does not pass through the center of circle;
Further, described coal dust jet pipe comprises the jet pipe main body, described jet pipe body front end is provided with the fine coal outlet, be positioned at the jet pipe body front end central tube that extends to the jet pipe main body is set with one heart, the central tube tail end sealing is provided with the outside circular cone end cap in top, the toroidal sandwich passage of fine coal outlet for being made of inner conical surface and male cone (strobilus masculinus) of described jet pipe main body; Described central tube front opening; The interlayer air duct of described primary combustion locular wall for constituting by inner and outer wall, outer wall forms the pyramidal structure that enlarges gradually forward, and described interlayer air duct communicates with the combustion air air supply system; Described central tube tube chamber is connected with the interlayer air duct to form and directly blows passage;
Further, described directly blow passage also comprise be arranged on combustion air air inlet pipe that interlayer air duct front end and combustion chamber communicate and with the corresponding igniting air inlet pipe that is communicated in interlayer air duct and primary zone that is provided with of igniter; Described igniter is arranged on can be coated on the sleeve outside the jet pipe main body sleeve jackscrew location of described sleeve by radially screwing in along the mode that axis slides; Described igniter comprises igniter head, fixed bar and support, described support is fixedly installed on the sleeve cylindrical, igniter head is arranged on the fire hole of fixed bar front end on the combustion chamber, fixedly install outer tube on the support, described fixed bar is to be placed in outer tube in the mode in axial sliding, and described outer tube is located fixed bar by the fixed bar jackscrew that radially screws in;
Further, with horizontal exhaust gases passes and the corresponding manhole that is provided with of exhaust gases passes up and down, manhole is provided with Packed manhole door on the described body of heater; The igniting blast tube that is communicated in fire hole is set in described igniter head, and the gas outlet section of described igniting blast tube comprises clear opening be distributed in a clear opening on every side directly outward-dipping inclined hole coaxial with igniter head; Be positioned at the gas outlet section on described igniter head igniting combustion air inlet channel is set, described igniting combustion supporting air inlet passage is distributed in around the gas outlet.
The beneficial effects of the utility model: normal-pressure hot water heating system of the present utility model, adopt horizontal direction and vertical direction to be the flue gas trend of baffling, and utilize water self to circulate up and down, under the prerequisite that does not increase the heater volume, can reduce the toxic emission temperature, improve the thermal efficiency of heat exchanging part, reduce the consumption of fuel under the prerequisite of identical hot water quantum of output, energy savings; Because burning and heat exchange efficiency are higher, significantly reduce discharge of harmful gases such as carbon dioxide, simultaneously,, avoid directly draining in the atmosphere because baffling shape flue makes dust directly stay the flue bottom, be beneficial to environmental protection.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is the utility model structural representation;
Fig. 2 be Fig. 1 along A-A to cutaway view;
Fig. 3 is the utility model burner structure schematic diagram;
Fig. 4 is the utility model ignition device structure schematic diagram.
The specific embodiment
Fig. 1 is the utility model structural representation, Fig. 2 be Fig. 1 along A-A to cutaway view, Fig. 3 is the utility model burner structure schematic diagram, Fig. 4 is the utility model ignition device structure schematic diagram, as shown in the figure: the present embodiment normal-pressure hot water heating system, comprise burner 16 and normal pressure heater, described normal pressure heater comprises body of heater, be arranged on the combustion chamber 12 in the body of heater and go out the flue of flue gas channel connection with combustion chamber 12, and described burner exhanst gas outlet is communicated in combustion chamber 12; Body of heater is provided with outlet port 3;
Described flue is separated to form horizontal exhaust gases passes 19 arranged side by side up and down by horizontal baffle 20, level interlaces to make between the adjacent level exhaust gases passes and forms the horizontal baffling formula structure that communicates between the air inlet of adjacent level exhaust gases passes 19, and described combustion chamber 16 communicates with the horizontal exhaust gases passes of foot; Horizontal exhaust gases passes 19 is separated to form level exhaust gases passes up and down 8 arranged side by side by vertical clapboard 4, interlaces up and down between the air inlet 10 of adjacent up and down exhaust gases passes 8 to make the adjacent deflector type structure that communicates that forms between the exhaust gases passes 8 up and down up and down; Described body of heater top is provided with normal pressure water tank 1, forms the vertical heat exchanging chamber 5 that communicates with normal pressure water tank 1 bottom in the vertical clapboard 4, and described vertical heat exchanging chamber 5 is from top to bottom by whole horizontal exhaust gases passes 19; The both side surface that described vertical clapboard 4 contacts with flue gas all vertically is provided with heat exchanging pipe 2, and described heat exchanging pipe 2 upper and lower sides all communicate with vertical heat exchanging chamber 5.
In the present embodiment, the described air inlet 10 of exhaust gases passes 8 up and down is set up in parallel by level and is communicated with the adjacent through hole of exhaust gases passes 8 up and down and constitutes; In the described vertical heat exchanging chamber 5 heat pipe 9 is set, heat pipe 9 inner chambers dress medium oil, the lower end edge of described heat pipe 9 radially stretches into the air inlet 10 of the exhaust gases passes up and down of bottom air inlet; Flue gas heat by heat pipe 9 absorbs in the air inlet 10 improves heat exchange efficiency.
In the present embodiment, described horizontal baffle 20 forms the horizontal heat exchanging chamber 21 that communicates with vertical heat exchanging chamber 5 for sandwich; Described furnace body wall is the sandwich that is interconnected and forms the sidewall heat exchanging chamber that communicates with normal pressure water tank 1, and described furnace body wall, horizontal baffle 20 and vertical clapboard 4 are made by the thermostable heat-conductive material, such as resistant to elevated temperatures stainless steel material; As shown in the figure, the outer surface of described furnace body wall is provided with heat-insulation layer; Make to form the water stream channel that extends in all direction in the heater, increase heat exchange area, reduce heat and scatter and disappear, further improve the thermal efficiency, strengthen the effect of energy-saving and emission-reduction.
In the present embodiment, each horizontal exhaust gases passes 19 is provided with heat exchanging pipe 2 respectively; Described body of heater horizontal cross-section is a rectangle, and sidewall and left and right sides sidewall before and after comprising (shown in the figure, front side wall 7, rear wall 17, left side wall 22 and right side wall 24; The heat exchanging chamber 23 of the heat exchanging chamber 6 of front side wall 7, the heat exchanging chamber 18 of rear wall 17, left side wall 22 and the heat exchanging chamber 25 of right side wall 24), front side wall 7 and rear wall 17 inner surfaces all with the horizontal exhaust gases passes 19 corresponding upright side walls heat exchanging pipes that are provided with; Further increase heat exchange area, improve heat exchange efficiency.
In the present embodiment, the hot water outlet pipe's of described normal pressure water tank 1 water inlet 1a is higher than the normal pressure water tank inner surface at 1 end; Avoid hot water to drain, cause the dry combustion method of normal pressure water tank, guarantee its service life.
In the present embodiment, described combustion chamber 12 go out exhaust gases passes 11 be positioned at burner 16 exhanst gas outlets over against madial wall top and to combustion chamber 12 horizontal-extendings, combustion chamber 12 and burner 16 exhanst gas outlets over against madial wall and the bottom surface between and and go out between the flue gas channel outer wall lower surface to be arc transition; Be positioned at 14 exhanst gas outlet bottoms, primary zone slag-drip opening 13 is set; Flue gas carries out discharging behind the eddy current in the combustion chamber of this structure, can improve coal-fired burn-off rate and efficiency of combustion greatly, reduce sulfide and other pernicious gas in the waste gas, carry out in the eddy current process, final ignition temperature reaches predetermined high temperature, and most of deleterious particle such as dust is owing to sufficient combustion is realized slag tap, directly discharge from bottom slag-drip opening 13, save fire coal and energy saving purposes thereby reach, and prevent that dust from entering flue, is beneficial to environmental protection.
In the present embodiment, described burner 16 comprises primary zone 14 and ignition system, combustion chamber 12 is communicated with coal dust jet pipe and combustion-supporting gas channel, described combustion-supporting gas channel comprises and directly blows passage and make exit gas be the cyclone channel 16d of eddy flow state, and described gas vent direction of directly blowing passage is consistent with the coal dust emission direction of coal dust jet pipe; Described cyclone channel 16d is made of the air inlet pipe that is distributed in the combustion chamber inwall, and described air inlet pipe turns forward and its axis does not pass through the center of circle; Intake method by eddy flow combines with direct current when being beneficial to mixed combustion, also can promote slag tap, prevents to stop up, and guarantees the burner operate as normal.
In the present embodiment, described coal dust jet pipe comprises jet pipe main body 16k, described jet pipe main body 16k front end is provided with the fine coal outlet, be positioned at jet pipe main body 16k front end the central tube 16m that extends to the jet pipe main body is set with one heart, central tube 16m tail end sealing is provided with the outside circular cone end cap 16l in top, the toroidal sandwich passage 16f of fine coal outlet for being made of inner conical surface 16e and male cone (strobilus masculinus) 16g of described jet pipe main body 16k; Described central tube 16m front opening; The interlayer air duct 16c of described primary combustion locular wall for constituting by inwall 16b and outer wall 16a, outer wall 16a forms the pyramidal structure that enlarges gradually forward, reduces the resistance of air, is beneficial to smooth and easy air feed, makes full combustion of fuel, raises the efficiency, and guarantees energy-saving and cost-reducing; Described interlayer air duct 16c communicates with the combustion air air supply system; Described central tube 16m tube chamber and interlayer air duct 16c are connected to form and directly blow passage by being distributed in inclined tube 16j around the central tube 16m; This structure is beneficial to the diffusion ejection of coal dust, increases area coverage, thereby is beneficial to mixing of air and coal dust, thereby guarantees the adequacy of burning, further saves energy and reduce the cost.
In the present embodiment, described directly blow passage also comprise be arranged on combustion air air inlet pipe 16n that interlayer air duct 16c front end and combustion chamber 14 communicate and with the corresponding igniting air inlet pipe 16h that is communicated in interlayer air duct 16c and primary zone 14 that is provided with of igniter; Further effect is directly blown in increase; Described igniter 15 is arranged on can be coated on the sleeve 15g outside the jet pipe main body 16k sleeve jackscrew 15f location of described sleeve 15g by radially screwing in along the mode that axis slides; Described igniter 15 comprises igniter head 15a, fixed bar 15k and support 15e, described support 15e is fixedly installed on sleeve 15g cylindrical, igniter head 15a is arranged on the fire hole 16i of fixed bar 15k front end on the combustion chamber 14, fixedly install outer tube 15d on the support 15e, described fixed bar 15k is to be placed in outer tube 15d in the mode in axial sliding, and described outer tube 15d locatees fixed bar 15k by the fixed bar jackscrew 15c that radially screws in; By adjusting fixed bar jackscrew 15c and sleeve jackscrew 15f igniter head can be moved vertically, conveniently enter and shift out, easy to use; Simultaneously, the igniter bottom is provided with roller 16o, convenient moving.
In the present embodiment, with horizontal exhaust gases passes 19 and exhaust gases passes 8 corresponding manholes 26 that are provided with up and down, manhole 26 is provided with Packed manhole door on the described body of heater; Convenient maintenance and dedusting; The igniting blast tube 15b that is communicated in fire hole 16i is set in described igniter head 15a, and the gas outlet section of described igniting blast tube comprises clear opening 15j be distributed in a clear opening 15j on every side directly outward-dipping inclined hole 15h coaxial with igniter head; Form the injection channel of evenly dispersing, be beneficial to igniting, simultaneously, do not have the combustion gas dead angle, avoid the generation of detonation; Be positioned at the gas outlet section on described igniter head 15a igniting combustion air inlet channel 15i is set, described igniting combustion supporting air inlet passage 15i is distributed in around the gas outlet; Be beneficial to igniting and high-temp combustion, guarantee that fuel combustion is abundant.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (10)
1. normal-pressure hot water heating system, it is characterized in that: comprise burner and normal pressure heater, described normal pressure heater comprises body of heater, be arranged on the combustion chamber in the body of heater and go out the flue of flue gas channel connection with the combustion chamber, and described burner exhanst gas outlet is communicated in the combustion chamber;
Described flue is separated to form horizontal exhaust gases passes arranged side by side up and down by horizontal baffle, level interlaces to make between the adjacent level exhaust gases passes and forms the horizontal baffling formula structure that communicates between the air inlet of adjacent level exhaust gases passes, and described combustion chamber communicates with the horizontal exhaust gases passes of foot; Horizontal exhaust gases passes is separated to form level exhaust gases passes up and down arranged side by side by vertical clapboard, interlaces up and down between the air inlet of adjacent up and down exhaust gases passes to make the adjacent deflector type structure that communicates that forms between the exhaust gases passes up and down up and down; Described body of heater top is provided with the normal pressure water tank, forms the vertical heat exchanging chamber that communicates with the normal pressure water tank bottom in the vertical clapboard, and described vertical heat exchanging chamber is from top to bottom by whole horizontal exhaust gases passes; The both side surface that described vertical clapboard contacts with flue gas all vertically is provided with heat exchanging pipe, and described heat exchanging pipe upper and lower side all communicates with vertical heat exchanging chamber.
2. normal-pressure hot water heating system according to claim 1 is characterized in that: the described air inlet of exhaust gases passes up and down is set up in parallel by level and is communicated with the adjacent through hole of exhaust gases passes up and down and constitutes; In the described vertical heat exchanging chamber heat pipe is set, the lower end edge of described heat pipe radially stretches into the air inlet of the exhaust gases passes up and down of bottom air inlet.
3. normal-pressure hot water heating system according to claim 2 is characterized in that: described horizontal baffle is that sandwich forms the horizontal heat exchanging chamber that communicates with vertical heat exchanging chamber; Described furnace body wall is the sandwich that is interconnected and forms the sidewall heat exchanging chamber that communicates with the normal pressure water tank, and described furnace body wall, horizontal baffle and vertical clapboard are made by the thermostable heat-conductive material; The outer surface of described furnace body wall is provided with heat-insulation layer.
4. normal-pressure hot water heating system according to claim 3 is characterized in that: each horizontal exhaust gases passes is provided with heat exchanging pipe respectively; Described body of heater horizontal cross-section is a rectangle, sidewall and left and right sides sidewall before and after comprising, all corresponding with the horizontal exhaust gases passes upright side walls heat exchanging pipe that is provided with in front and back inside sidewalls surface.
5. normal-pressure hot water heating system according to claim 4 is characterized in that: the hot water outlet pipe's of described normal pressure water tank water inlet is higher than the inner surface at the bottom of the normal pressure water tank.
6. according to the described normal-pressure hot water heating system of the arbitrary claim of claim 1 to 5, it is characterized in that: described combustion chamber go out the flue gas channel bit in the burner exhanst gas outlet over against madial wall top and in the combustion chamber horizontal-extending, combustion chamber and burner exhanst gas outlet over against madial wall and the bottom surface between and and go out between the flue gas channel outer wall lower surface to be arc transition.
7. normal-pressure hot water heating system according to claim 6, it is characterized in that: described burner comprises primary zone and ignition system, the combustion chamber is communicated with coal dust jet pipe and combustion-supporting gas channel, described combustion-supporting gas channel comprises and directly blows passage and make exit gas be the cyclone channel of eddy flow state, and described gas vent direction of directly blowing passage is consistent with the coal dust emission direction of coal dust jet pipe; Described cyclone channel is made of the air inlet pipe that is distributed in the combustion chamber inwall, and described air inlet pipe turns forward and its axis does not pass through the center of circle.
8. normal-pressure hot water heating system according to claim 7, it is characterized in that: described coal dust jet pipe comprises the jet pipe main body, described jet pipe body front end is provided with the fine coal outlet, be positioned at the jet pipe body front end central tube that extends to the jet pipe main body is set with one heart, the central tube tail end sealing is provided with the outside circular cone end cap in top, the toroidal sandwich passage of fine coal outlet for being made of inner conical surface and male cone (strobilus masculinus) of described jet pipe main body; Described central tube front opening; The interlayer air duct of described primary combustion locular wall for constituting by inner and outer wall, outer wall forms the pyramidal structure that enlarges gradually forward, and described interlayer air duct communicates with the combustion air air supply system; Described central tube tube chamber is connected with the interlayer air duct to form and directly blows passage.
9. normal-pressure hot water heating system according to claim 8 is characterized in that: described directly blow passage also comprise be arranged on combustion air air inlet pipe that interlayer air duct front end and combustion chamber communicate and with the corresponding igniting air inlet pipe that is communicated in interlayer air duct and primary zone that is provided with of igniter; Described igniter is arranged on can be coated on the sleeve outside the jet pipe main body sleeve jackscrew location of described sleeve by radially screwing in along the mode that axis slides; Described igniter comprises igniter head, fixed bar and support, described support is fixedly installed on the sleeve cylindrical, igniter head is arranged on the fire hole of fixed bar front end on the combustion chamber, fixedly install outer tube on the support, described fixed bar is to be placed in outer tube in the mode in axial sliding, and described outer tube is located fixed bar by the fixed bar jackscrew that radially screws in.
10. normal-pressure hot water heating system according to claim 9 is characterized in that: with horizontal exhaust gases passes and the corresponding manhole that is provided with of exhaust gases passes up and down, manhole is provided with Packed manhole door on the described body of heater; The igniting blast tube that is communicated in fire hole is set in described igniter head, and the gas outlet section of described igniting blast tube comprises clear opening be distributed in a clear opening on every side directly outward-dipping inclined hole coaxial with igniter head; Be positioned at the gas outlet section on described igniter head igniting combustion air inlet channel is set, described igniting combustion supporting air inlet passage is distributed in around the gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202176481U CN201688554U (en) | 2010-06-07 | 2010-06-07 | Atmospheric hot water heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202176481U CN201688554U (en) | 2010-06-07 | 2010-06-07 | Atmospheric hot water heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201688554U true CN201688554U (en) | 2010-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202176481U Expired - Lifetime CN201688554U (en) | 2010-06-07 | 2010-06-07 | Atmospheric hot water heating system |
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| Country | Link |
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| CN (1) | CN201688554U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858645A (en) * | 2010-06-07 | 2010-10-13 | 贺永利 | Normal-pressure hot water heating system |
-
2010
- 2010-06-07 CN CN2010202176481U patent/CN201688554U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858645A (en) * | 2010-06-07 | 2010-10-13 | 贺永利 | Normal-pressure hot water heating system |
| CN101858645B (en) * | 2010-06-07 | 2011-12-28 | 贺永利 | Normal-pressure hot water heating system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101229 Effective date of abandoning: 20120502 |