CN210772265U - Waste gas treatment system with heating and recycling functions - Google Patents
Waste gas treatment system with heating and recycling functions Download PDFInfo
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- CN210772265U CN210772265U CN201921578363.8U CN201921578363U CN210772265U CN 210772265 U CN210772265 U CN 210772265U CN 201921578363 U CN201921578363 U CN 201921578363U CN 210772265 U CN210772265 U CN 210772265U
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- heat exchanger
- connecting pipeline
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- flue 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
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The utility model provides a waste gas treatment system with function is retrieved in heating, include: a boiler, a flue gas heat exchanger and a phase change heat exchanger; a flue gas heat exchanger is arranged on one side of the boiler, and the boiler is connected with the flue gas heat exchanger through a first connecting pipeline; the phase change heat exchanger is arranged in the middle of the first connecting pipeline and is connected with the first connecting pipeline in a penetrating manner; the heat preservation water tank is arranged on the side part of the phase change heat exchanger and is connected with the phase change heat exchanger through a water supply pipeline and a water return pipeline; the water pump is arranged in the middle of the water supply pipeline and is connected with the water supply pipeline through a flange; through the improvement to current device, the device has the installation facility, and it is low to installation conditions such as place, advantage that heat recovery utilizes efficiently to effectual solution the utility model provides a problem and not enough.
Description
Technical Field
The utility model relates to a high temperature flue gas heat recovery technical field, more specifically say, especially relate to a waste gas treatment system with function is retrieved in heating.
Background
When the boiler equipment works, a large amount of heat is discharged along with flue gas when coal is combusted, so that the heat energy cannot be fully utilized, resource loss is caused, various heat recovery equipment is adopted for recovering flue gas waste heat, a special heat recovery system is formed, and the existing flue gas waste heat recovery device has partial defects.
The traditional flue gas waste heat recovery mostly adopts various heat exchangers to recover flue gas heat, but because the heat exchanger is large in size, certain requirements are required for installation conditions and places, the use limitation exists, and the defects exist in the use process.
In view of the above, the present invention provides an exhaust gas treatment system with a heating and recycling function, which can fully utilize a flue gas duct, and aims to solve the problems and improve the practical value by the technology.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a waste gas treatment system with function is retrieved in heating to solve the traditional flue gas waste heat recovery that provides in the above-mentioned background art and adopt various heat exchangers to carry out flue gas heat recovery more, but because the volume of heat exchanger is great, have certain requirement to mounting condition and place, have the limitation of using, lead to having the problem and the not enough of weak point when using.
In order to achieve the above object, the present invention provides an exhaust gas treatment system with heating recovery function, which is achieved by the following specific technical means:
an exhaust treatment system with heat recovery, comprising: the system comprises a boiler, a flue gas heat exchanger, a first connecting pipeline, a phase change heat exchanger, a heat preservation water tank, a water supply pipeline, a water return pipeline, a water pump, a second connecting pipeline, a fan, dust removing equipment, a third connecting pipeline, a chimney, a fourth connecting pipeline, a shell and a heat exchange pipe; a flue gas heat exchanger is arranged on one side of the boiler, and the boiler is connected with the flue gas heat exchanger through a first connecting pipeline; the phase change heat exchanger is arranged in the middle of the first connecting pipeline and is connected with the first connecting pipeline in a penetrating manner; the heat preservation water tank is arranged on the side part of the phase change heat exchanger and is connected with the phase change heat exchanger through a water supply pipeline and a water return pipeline; the water pump is arranged in the middle of the water supply pipeline and is connected with the water supply pipeline through a flange; the second connecting pipeline is arranged on one side of the boiler, and two ends of the second connecting pipeline are respectively connected with the boiler and the flue gas heat exchanger; the fan is arranged on one side of the flue gas heat exchanger, and the fan is connected with the flue gas heat exchanger through a flange; the dust removal equipment is arranged on one side of the flue gas heat exchanger, and the dust removal equipment is connected with the flue gas heat exchanger through a third connecting pipeline; the chimney is arranged on one side of the dust removing equipment and is connected with the dust removing equipment through a fourth connecting pipeline; the phase change heat exchanger comprises a shell and a heat exchange pipe; the heat exchange tube is arranged in the shell, and the shell is connected with the heat exchange tube in a welding mode.
As a further optimization of this technical scheme, the utility model relates to a waste gas treatment system with function is retrieved in heating the middle part of first connecting tube, second connecting tube, third connecting tube and fourth connecting tube all is provided with the fan.
As a further optimization of this technical scheme, the utility model relates to a waste gas treatment system with function is retrieved in heating the shell is circular tubular structure, and the right part of shell is provided with two mouths of pipe.
As a further optimization of this technical scheme, the utility model relates to a waste gas treatment system with function is retrieved in heating the heat exchange tube is the coiled pipe, and the heat exchange tube of snakelike form is buckled and is formed annular structure.
As a further optimization of this technical scheme, the utility model relates to a waste gas treatment system with function is retrieved in heating the heat exchange tube is provided with a water inlet and a delivery port, and the water inlet of heat exchange tube runs through to the outside of shell with the delivery port, and the water inlet of heat exchange tube and delivery port are connected with water supply pipe and wet return respectively.
As a further optimization of this technical scheme, the utility model relates to a waste gas treatment system with function is retrieved in heating the middle part space packing of shell and heat exchange tube has the phase transition medium.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
1. the utility model relates to a waste gas treatment system with function is retrieved in heating is for cylindric phase change heat exchanger through being provided with the outward appearance in the outside of pipeline, and phase change heat exchanger's inside is provided with snakelike heat exchange tube and phase change medium, and snakelike heat exchange tube encircles high temperature flue gas pipeline and sets up, and the heat exchanger of this kind of structure has small in size, implements the advantage that the place is almost not restricted, has made things convenient for the use.
2. The utility model relates to a waste gas treatment system with heating recovery function, through establishing ties phase change heat exchanger and gas heat exchanger and using, the heat that phase change heat exchanger utilized the pipeline transmission heats the medium in the serpentine pipe through the phase transition medium, serpentine heat exchange tube encircles high temperature flue gas pipeline completely and sets up, it can be abundant effectual the heat that the recycle pipeline gived off, the utilization efficiency of flue gas waste heat has effectively been improved, later high temperature flue gas then gets into in the gas heat exchanger, preheat the combustion efficiency in order to improve the boiler to the air, make full use of the surplus heat in the flue gas, the resource loss is reduced.
3. The utility model discloses an improvement to current device has the installation facility, and it is low to installation conditions such as place requirement, advantage that heat recovery utilization efficiency is high to effectual solution the utility model provides a problem and not enough.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the installation structure of the phase change heat exchanger of the present invention;
FIG. 3 is a schematic cross-sectional view of a phase change heat exchanger according to the present invention;
FIG. 4 is a schematic view of the heat exchange tube axial-measuring structure of the present invention;
FIG. 5 is a schematic side view of the heat exchange tube of the present invention;
fig. 6 is a schematic view of the heat exchange tube of the present invention.
In the figure: boiler 1, gas heater 2, first connecting pipeline 3, phase change heat exchanger 4, holding water box 5, water supply pipe 6, return water pipe 7, water pump 8, second connecting pipeline 9, fan 10, dust collecting equipment 11, third connecting pipeline 12, chimney 13, fourth connecting pipeline 14, shell 401, heat exchange tube 402.
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.
It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 6, the present invention provides a specific technical implementation of an exhaust gas treatment system with a heating recovery function:
an exhaust treatment system with heat recovery, comprising: the device comprises a boiler 1, a flue gas heat exchanger 2, a first connecting pipeline 3, a phase change heat exchanger 4, a heat preservation water tank 5, a water supply pipeline 6, a water return pipeline 7, a water pump 8, a second connecting pipeline 9, a fan 10, a dust removal device 11, a third connecting pipeline 12, a chimney 13, a fourth connecting pipeline 14, a shell 401 and a heat exchange pipe 402; a flue gas heat exchanger 2 is arranged on one side of the boiler 1, and the boiler 1 is connected with the flue gas heat exchanger 2 through a first connecting pipeline 3; the phase change heat exchanger 4 is arranged in the middle of the first connecting pipeline 3, and the phase change heat exchanger 4 is connected with the first connecting pipeline 3 in a penetrating manner; the heat preservation water tank 5 is arranged on the side part of the phase change heat exchanger 4, and the heat preservation water tank 5 is connected with the phase change heat exchanger 4 through a water supply pipeline 6 and a water return pipeline 7; the water pump 8 is arranged in the middle of the water supply pipeline 6, and the water pump 8 is connected with the water supply pipeline 6 through a flange; the second connecting pipeline 9 is arranged at one side of the boiler 1, and two ends of the second connecting pipeline 9 are respectively connected with the boiler 1 and the flue gas heat exchanger 2; the fan 10 is arranged on one side of the flue gas heat exchanger 2, and the fan 10 is connected with the flue gas heat exchanger 2 through a flange; the dust removing device 11 is arranged at one side of the flue gas heat exchanger 2, and the dust removing device 11 is connected with the flue gas heat exchanger 2 through a third connecting pipeline 12; the chimney 13 is arranged on one side of the dust removing equipment 11, and the chimney 13 is connected with the dust removing equipment 11 through a fourth connecting pipeline 14; the phase change heat exchanger 4 includes a case 401 and a heat exchange pipe 402; the heat exchange tube 402 is arranged inside the shell 401, and the shell 401 and the heat exchange tube 402 are connected in a welding mode.
Specifically, as shown in the first drawing, fans are disposed in the middle of the first connecting pipeline 3, the second connecting pipeline 9, the third connecting pipeline 12, and the fourth connecting pipeline 14, and are used for conveying flue gas.
Specifically, as shown in fig. three, the housing 401 is a circular cylindrical structure, and two nozzles are disposed at the right portion of the housing 401 for filling and discharging the phase change medium.
Specifically, as shown in fig. four to fig. six, the heat exchange tube 402 is a serpentine tube, and the serpentine heat exchange tube 402 is bent to form an annular structure, so that the heat exchange tube 402 can be arranged around the flue gas duct, the installation space is reduced, and the heat exchange efficiency is improved.
Specifically, as shown in the fourth drawing, the heat exchange tube 402 is provided with a water inlet and a water outlet, the water inlet and the water outlet of the heat exchange tube 402 penetrate through the outer portion of the housing 401, and the water inlet and the water outlet of the heat exchange tube 402 are respectively connected with the water supply pipeline 6 and the water return pipeline 7, and are used for heating the phase change medium through the heat of the flue gas in the pipelines, so as to heat the water in the heat exchange tube 402.
Specifically, as shown in fig. three, the space between the housing 401 and the heat exchange tube 402 is filled with a phase change medium for generating a phase change reaction to heat water in the heat exchange tube 402, so as to improve the heat utilization efficiency.
The method comprises the following specific implementation steps:
when the device is used, the flue gas generated by the boiler 1 firstly passes through the first connecting pipeline 3, meanwhile, the water in the heat preservation water tank 5 enters the heat exchange pipe 402 through the water pump 8 and the water supply pipeline 6, the high-temperature flue gas in the first connecting pipeline 3 heats the phase change medium in the phase change heat exchanger 4, the phase change medium absorbs and releases heat energy in a latent heat or sensible heat mode, thereby heating the water in the heat exchange pipe 402, the water flows back to the heat preservation water tank 5 through the water return pipe 7 after being heated for daily hot water use, then the flue gas enters the flue gas heat exchanger 2, meanwhile, the fan 10 blows air into the hot gas 2 of the flue gas pipe, the air exchanges heat with the high-temperature flue gas, the air enters the boiler 1 for combustion supporting through the second connecting pipeline 9 after being heated, and the flue gas enters the dust removing equipment 1 through the third connecting pipeline 12 for dust removing and purification, and the flue gas after purification reaches the standard enters the chimney 13 through the fourth connecting pipeline 14 for emission.
In summary, the following steps: according to the waste gas treatment system with the heating and recycling functions, the phase change heat exchanger which is cylindrical in appearance is arranged on the outer side of the pipeline, the snake-shaped heat exchange pipe and the phase change medium are arranged inside the phase change heat exchanger, and the snake-shaped heat exchange pipe is arranged around the high-temperature flue gas pipeline; through establishing ties phase change heat exchanger and gas heat exchanger and using, the heat that phase change heat exchanger utilized the pipeline transmission heats the medium in the serpentine pipe through the phase change medium, serpentine heat exchange tube encircles high temperature flue gas pipeline completely and sets up, it can be abundant effectual the heat that the recycle pipeline gived off, the utilization efficiency of flue gas waste heat has effectively been improved, later high temperature flue gas then gets into in the gas heat exchanger, preheat the air in order to improve the combustion efficiency of boiler, make full use of the surplus heat in the flue gas, the resource loss has been reduced, it adopts various heat exchangers to carry out flue gas heat recovery more to have solved traditional flue gas waste heat recovery, but because the volume of heat exchanger is great, have certain requirement to installation condition and place, there is the limitation of using, lead to having not enough problem when using.
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 (6)
1. An exhaust treatment system with heat recovery, comprising: the device comprises a boiler (1), a flue gas heat exchanger (2), a first connecting pipeline (3), a phase change heat exchanger (4), a heat preservation water tank (5), a water supply pipeline (6), a water return pipeline (7), a water pump (8), a second connecting pipeline (9), a fan (10), dust removing equipment (11), a third connecting pipeline (12), a chimney (13), a fourth connecting pipeline (14), a shell (401) and a heat exchange pipe (402); the method is characterized in that: a flue gas heat exchanger (2) is arranged on one side of the boiler (1), and the boiler (1) is connected with the flue gas heat exchanger (2) through a first connecting pipeline (3); the phase change heat exchanger (4) is arranged in the middle of the first connecting pipeline (3), and the phase change heat exchanger (4) is connected with the first connecting pipeline (3) in a penetrating mode; the heat preservation water tank (5) is arranged on the side part of the phase change heat exchanger (4), and the heat preservation water tank (5) is connected with the phase change heat exchanger (4) through a water supply pipeline (6) and a water return pipeline (7); the water pump (8) is arranged in the middle of the water supply pipeline (6), and the water pump (8) is connected with the water supply pipeline (6) through a flange; the second connecting pipeline (9) is arranged on one side of the boiler (1), and two ends of the second connecting pipeline (9) are respectively connected with the boiler (1) and the flue gas heat exchanger (2); the fan (10) is arranged on one side of the flue gas heat exchanger (2), and the fan (10) is connected with the flue gas heat exchanger (2) through a flange; the dust removal equipment (11) is arranged on one side of the flue gas heat exchanger (2), and the dust removal equipment (11) is connected with the flue gas heat exchanger (2) through a third connecting pipeline (12); the chimney (13) is arranged on one side of the dust removing equipment (11), and the chimney (13) is connected with the dust removing equipment (11) through a fourth connecting pipeline (14); the phase change heat exchanger (4) comprises a shell (401) and a heat exchange tube (402); the heat exchange tube (402) is arranged in the shell (401), and the shell (401) is connected with the heat exchange tube (402) in a welding mode.
2. An exhaust gas treatment system having a heat recovery function according to claim 1, wherein: and fans are arranged in the middle of the first connecting pipeline (3), the second connecting pipeline (9), the third connecting pipeline (12) and the fourth connecting pipeline (14).
3. An exhaust gas treatment system having a heat recovery function according to claim 1, wherein: the shell (401) is of a circular cylindrical structure, and two pipe orifices are arranged at the right part of the shell (401).
4. An exhaust gas treatment system having a heat recovery function according to claim 1, wherein: the heat exchange tube (402) is a coiled tube, and the coiled heat exchange tube (402) is bent to form an annular structure.
5. An exhaust gas treatment system having a heat recovery function according to claim 1, wherein: the heat exchange tube (402) is provided with a water inlet and a water outlet, the water inlet and the water outlet of the heat exchange tube (402) penetrate through the outer part of the shell (401), and the water inlet and the water outlet of the heat exchange tube (402) are respectively connected with the water supply pipeline (6) and the water return pipeline (7).
6. An exhaust gas treatment system having a heat recovery function according to claim 1, wherein: and the space between the shell (401) and the heat exchange tube (402) is filled with a phase change medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921578363.8U CN210772265U (en) | 2019-09-23 | 2019-09-23 | Waste gas treatment system with heating and recycling functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921578363.8U CN210772265U (en) | 2019-09-23 | 2019-09-23 | Waste gas treatment system with heating and recycling functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210772265U true CN210772265U (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921578363.8U Active CN210772265U (en) | 2019-09-23 | 2019-09-23 | Waste gas treatment system with heating and recycling functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210772265U (en) |
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2019
- 2019-09-23 CN CN201921578363.8U patent/CN210772265U/en active Active
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