CN210602895U - Waste gas heat exchanger for gas boiler - Google Patents
Waste gas heat exchanger for gas boiler Download PDFInfo
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- CN210602895U CN210602895U CN201921239601.2U CN201921239601U CN210602895U CN 210602895 U CN210602895 U CN 210602895U CN 201921239601 U CN201921239601 U CN 201921239601U CN 210602895 U CN210602895 U CN 210602895U
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- waste gas
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
The utility model discloses a waste gas heat exchanger for a gas boiler, which comprises a heat exchanger shell, wherein the left side and the right side of the upper surface of the heat exchanger shell are respectively provided with a liquid material outlet and a liquid material inlet, the liquid material outlet and the liquid material inlet are penetrated into the heat exchanger shell, and the liquid material outlet and the liquid material inlet are respectively connected with a second heat absorption pipe and a first heat absorption pipe, the heat exchanger shell is internally provided with a heat exchange cavity, and the right end of the heat exchange cavity is connected with a waste gas inlet pipe, the utility model preliminarily heats the liquid material through the first heat absorption pipe, collects the waste gas in the wall body through the heat exchange cavity, fully heats the waste gas through the heat exchange pipes, further absorbs the heat in the waste gas, and finally absorbs the waste heat in the gas waste gas through the second heat absorption pipe, the whole device has simple structure, can circularly absorb the residual heat in the waste gas, and improves the utilization rate, the waste of energy sources is reduced.
Description
Technical Field
The utility model relates to a gas boiler technical field specifically is a waste gas heat exchanger for gas boiler.
Background
The gas boiler comprises a gas water boiler, a gas boiler, etc., wherein the gas boiler is also called a gas heating boiler and a gas bathing boiler, the gas boiler refers to a boiler using fuel gas as fuel in the name of the name, the gas boiler is most economical as compared with an oil boiler and an electric boiler, so most people select the gas boiler as boiler equipment for steam, heating and bathing, however, the existing waste gas heat exchanger body has a simple structure, only absorbs the residual heat of the waste gas through a single heat absorbing plate or a single heat absorbing pipe, the heat can not be effectively absorbed, meanwhile, no device which is convenient for improving the heat conduction efficiency is arranged in the majority of waste gas heat exchanger bodies, the heat of the flowing waste gas can not be effectively conducted, even the existing gas boiler can directly discharge the waste gas generated after the gas is combusted to the atmosphere, resulting in a great deal of waste of heat.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a waste gas heat exchanger for gas boiler, simple structure can carry out the cyclic absorption processing with the remaining heat of waste gas, improves the utilization ratio of heat wave in the gas boiler waste gas, reduces the waste of the energy, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a waste gas heat exchanger for a gas boiler comprises a heat exchanger shell, wherein the left side and the right side of the upper surface of the heat exchanger shell are respectively provided with a liquid material outlet and a liquid material inlet, the liquid material outlet and the liquid material inlet penetrate into the heat exchanger shell, the liquid material outlet and the liquid material inlet are respectively connected with a second heat absorption pipe and a first heat absorption pipe, the heat exchanger shell is internally provided with a heat exchange cavity, the right end of the heat exchange cavity is connected with a waste gas inlet pipe, the waste gas inlet pipe penetrates to the outer side of the heat exchanger shell, the left end of the heat exchange cavity is connected with a waste gas outlet pipe, the waste gas outlet pipe penetrates to the outer side of the heat exchanger shell, the waste gas inlet pipe and the waste gas outlet pipe are fixed on the inner surface of the heat exchanger shell through a fixed support frame, the inner surface of the heat exchanger, heat exchange tubes are arranged in the heat exchange cavities, and a fixing frame is arranged on the surface of the lower end of the shell of the heat exchanger.
As an optimal technical scheme of the utility model, hot exchange pipe is snakelike structure, and hot exchange pipe runs through to the heat exchange chamber outside, and hot exchange pipe's left end is connected with the second heat absorption pipe, and hot exchange pipe's right-hand member is connected with first heat absorption pipe.
As a preferred technical scheme of the utility model, the surface of waste gas intake pipe and waste gas outlet duct is surrounded respectively to first heat-absorbing pipe and second heat-absorbing pipe, and first heat-absorbing pipe and second heat-absorbing pipe are fixed in on the surface of waste gas intake pipe and waste gas outlet duct through the heat-conducting plate.
As a preferred technical scheme of the utility model, the four corners of the lower surface of mount is equipped with fixing support, and fixing support is equipped with the screw thread through-hole on the surface, and four are no less than to the quantity of screw thread through-hole, and the screw thread through-hole centers on fixing support center evenly distributed.
As an optimal technical scheme of the utility model, the center in waste gas intake pipe, waste gas outlet duct and heat exchange chamber is on same water flat line, and the diameter in heat exchange chamber is the twice of waste gas intake pipe and waste gas outlet duct diameter.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a first heat-absorbing pipe carries out preliminary heating with the liquid material, the heat exchange chamber collects waste gas inside the wall body, and through hot exchange pipe intensive heating, further absorption with the heat in the waste gas, absorb the waste heat in the gas waste gas once more through the second heat-absorbing pipe at last, heat and external isolated in with the gas waste gas through the heat insulation layer, prevent that a large amount of heat from volatilizing, first heat-absorbing pipe and second heat-absorbing pipe are given with the heat conduction of waste gas intake pipe and waste gas outlet duct through the heat-conducting plate, make first heat-absorbing pipe and second heat-absorbing pipe endothermic efficiency higher, whole device simple structure, can circulate the absorption processing with the remaining heat of waste gas, improve the utilization ratio of thermal wave in the gas boiler waste gas, reduce the waste of the energy.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the cross-sectional structure of the present invention.
In the figure: the heat exchanger comprises a heat exchanger shell 1, a fixed support 2, a waste gas inlet pipe 3, a liquid material inlet 4, a liquid material outlet 5, a waste gas outlet pipe 6, a fixed frame 7, a second heat absorption pipe 8, a heat conduction plate 9, a heat insulation layer 10, a heat exchange cavity 11, a first heat absorption pipe 12, a fixed support frame 13 and a heat exchange pipe 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a waste gas heat exchanger for a gas boiler comprises a heat exchanger shell 1, wherein the left side and the right side of the upper surface of the heat exchanger shell 1 are respectively provided with a liquid material outlet 5 and a liquid material inlet 4, the liquid material outlet 5 and the liquid material inlet 4 penetrate into the heat exchanger shell 1, the liquid material outlet 5 and the liquid material inlet 4 are respectively connected with a second heat absorption pipe 8 and a first heat absorption pipe 12, liquid materials are preliminarily heated through the first heat absorption pipe 12, waste heat in gas waste gas is absorbed again through the second heat absorption pipe 8, a heat exchange cavity 11 is arranged inside the heat exchanger shell 1, waste gas is collected inside a wall body through the heat exchange cavity 11, the right end of the heat exchange cavity 11 is connected with a waste gas inlet pipe 3, the waste gas inlet pipe 3 penetrates into the outer side of the heat exchanger shell 1, the left end of the heat exchange cavity 11 is connected with a waste gas outlet pipe 6, the waste gas outlet pipe 6, The centers of the waste gas outlet pipe 6 and the heat exchange cavity 11 are on the same horizontal line, the diameter of the heat exchange cavity 11 is twice of the diameters of the waste gas inlet pipe 3 and the waste gas outlet pipe 6, the waste gas inlet pipe 3 and the waste gas outlet pipe 6 are fixed on the inner surface of the heat exchanger shell 1 through a fixed support frame 13, a first heat absorption pipe 12 and a second heat absorption pipe 8 respectively surround the outer surfaces of the waste gas inlet pipe 3 and the waste gas outlet pipe 6, the first heat absorption pipe 12 and the second heat absorption pipe 8 are fixed on the outer surfaces of the waste gas inlet pipe 3 and the waste gas outlet pipe 6 through a heat conduction plate 9, a heat insulation layer 10 is arranged on the inner surface of the heat exchanger shell 1, the heat in the gas and the waste gas is isolated from the outside through the heat insulation layer 10, a large amount of heat is prevented from volatiliz, the heat of the waste gas inlet pipe 3 and the waste gas outlet pipe 6 is conducted to the first heat absorption pipe 12 and the second heat absorption pipe 8 through the heat conduction plate 9, so that the heat absorption efficiency of the first heat absorption pipe 12 and the second heat absorption pipe 8 is higher, the heat exchange pipe 14 is arranged in the heat exchange cavity 11 and is fully heated through the heat exchange pipe 14, the heat in the waste gas is further absorbed, the heat exchange pipe 14 is of a serpentine structure, the heat exchange pipe 14 penetrates through the heat exchange cavity 11, the left end of the heat exchange pipe 14 is connected with the second heat absorption pipe 8, the right end of the heat exchange pipe 14 is connected with the first heat absorption pipe 12, the lower end surface of the heat exchanger shell 1 is provided with the fixing frame 7, four corners of the lower surface of the fixing frame 7 are provided with the fixed support 2, the surface of the fixed support 2 is provided with screw thread through, can carry out the circulation absorption with the remaining heat of waste gas and handle, improve the utilization ratio of heat wave in the gas boiler waste gas, reduce the waste of the energy.
When in use: liquid material enters the first heat absorption pipe 12 through the liquid material inlet 4, the heat conduction plate 9 conducts heat of the waste gas inlet pipe 3 to the first heat absorption pipe 12, the liquid material is transmitted to the heat exchange pipe 14 through the first heat absorption pipe 12, the heat exchange cavity 11 collects waste gas in the cavity, heat in gas waste gas is transmitted to the liquid material through the heat exchange pipe 14, then the heat exchange pipe 14 transmits the liquid material to the second heat absorption pipe 8, the second heat absorption pipe 8 further absorbs waste heat in the gas waste gas through the heat conduction plate 9, the gas waste gas absorbing the heat is discharged to the atmosphere through the waste gas outlet pipe 6, the second heat absorption pipe 8 is connected with the liquid material outlet 5, and finally the liquid material is discharged through the liquid material outlet 5.
The utility model discloses a first heat-absorbing pipe 12 carries out preliminary heating with the liquid material, heat exchange cavity 11 collects waste gas inside the wall body, and through hot exchange pipe 14 abundant heating, further absorption with the heat in the waste gas, absorb the waste heat in the gas waste gas once more through second heat-absorbing pipe 8 at last, heat and external isolated in with the gas waste gas through heat insulation layer 10, prevent that a large amount of heat from volatilizing, give first heat-absorbing pipe 12 and second heat-absorbing pipe 8 through the heat conduction of heat-conducting plate 9 with waste gas intake pipe 3 and waste gas outlet duct 6, make first heat-absorbing pipe 12 and second heat-absorbing pipe 8 heat absorption efficiency higher, whole device simple structure, can carry out the cyclic absorption processing with the remaining heat of waste gas, improve the utilization ratio of thermal wave in the gas boiler waste gas, reduce the waste of the energy.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An exhaust gas heat exchanger for a gas boiler, comprising a heat exchanger housing (1), characterized in that: the left side and the right side of the upper surface of the heat exchanger shell (1) are respectively provided with a liquid material outlet (5) and a liquid material inlet (4), the liquid material outlet (5) and the liquid material inlet (4) penetrate into the heat exchanger shell (1), the liquid material outlet (5) and the liquid material inlet (4) are respectively connected with a second heat absorption pipe (8) and a first heat absorption pipe (12), the heat exchanger shell (1) is internally provided with a heat exchange cavity (11), the right end of the heat exchange cavity (11) is connected with a waste gas inlet pipe (3), the waste gas inlet pipe (3) penetrates to the outer side of the heat exchanger shell (1), the left end of the heat exchange cavity (11) is connected with a waste gas outlet pipe (6), the waste gas outlet pipe (6) penetrates to the outer side of the heat exchanger shell (1), and the waste gas inlet pipe (3) and the waste gas outlet pipe (6) are fixed on the inner surface of the, be equipped with heat insulation layer (10) on heat exchanger shell (1) internal surface, be equipped with heat-conducting plate (9) on waste gas intake pipe (3) and waste gas outlet duct (6), and heat-conducting plate (9) run through to the inside of waste gas intake pipe (3) and waste gas outlet duct (6), heat exchange chamber (11) inside is equipped with hot exchange pipe (14), heat exchanger shell (1) lower extreme surface is equipped with mount (7).
2. The exhaust gas heat exchanger for a gas boiler as recited in claim 1, wherein: the heat exchange tube (14) is of a snake-shaped structure, the heat exchange tube (14) penetrates through the outer side of the heat exchange cavity (11), the left end of the heat exchange tube (14) is connected with the second heat absorption tube (8), and the right end of the heat exchange tube (14) is connected with the first heat absorption tube (12).
3. The exhaust gas heat exchanger for a gas boiler as recited in claim 1, wherein: the first heat absorption pipe (12) and the second heat absorption pipe (8) surround the outer surfaces of the waste gas inlet pipe (3) and the waste gas outlet pipe (6) respectively, and the first heat absorption pipe (12) and the second heat absorption pipe (8) are fixed on the outer surfaces of the waste gas inlet pipe (3) and the waste gas outlet pipe (6) through the heat conduction plate (9).
4. The exhaust gas heat exchanger for a gas boiler as recited in claim 1, wherein: four corners of the lower surface of the fixing frame (7) are provided with fixing supports (2), the surfaces of the fixing supports (2) are provided with threaded through holes, the number of the threaded through holes is not less than four, and the threaded through holes are uniformly distributed around the center of the fixing support (2).
5. The exhaust gas heat exchanger for a gas boiler as recited in claim 1, wherein: the centers of the waste gas inlet pipe (3), the waste gas outlet pipe (6) and the heat exchange cavity (11) are on the same horizontal line, and the diameter of the heat exchange cavity (11) is twice of the diameters of the waste gas inlet pipe (3) and the waste gas outlet pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921239601.2U CN210602895U (en) | 2019-08-02 | 2019-08-02 | Waste gas heat exchanger for gas boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921239601.2U CN210602895U (en) | 2019-08-02 | 2019-08-02 | Waste gas heat exchanger for gas boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210602895U true CN210602895U (en) | 2020-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921239601.2U Active CN210602895U (en) | 2019-08-02 | 2019-08-02 | Waste gas heat exchanger for gas boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210602895U (en) |
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2019
- 2019-08-02 CN CN201921239601.2U patent/CN210602895U/en active Active
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