CN113217932A - Boiler waste heat recycling mechanism and using method thereof - Google Patents
Boiler waste heat recycling mechanism and using method thereof Download PDFInfo
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- CN113217932A CN113217932A CN202110354468.0A CN202110354468A CN113217932A CN 113217932 A CN113217932 A CN 113217932A CN 202110354468 A CN202110354468 A CN 202110354468A CN 113217932 A CN113217932 A CN 113217932A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
- F28F13/125—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation by stirring
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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
Abstract
The invention discloses a boiler waste heat recycling mechanism and a using mode thereof, and relates to the technical field of boilers. The automatic feeding device comprises a supporting table, a primary heat regeneration mechanism, a secondary heat regeneration mechanism, a discharging valve and a thermometer, wherein the primary heat regeneration mechanism and the secondary heat regeneration mechanism are respectively fixed on the supporting table, the primary heat regeneration mechanism is fixed at the center of the supporting table, and six secondary heat regeneration mechanisms which are uniformly distributed along the circumference are fixed on the periphery of the primary heat regeneration mechanism. The invention has the advantages that the first-stage heat recovery mechanism and the six second-stage heat recovery mechanisms are arranged, the heat recovery effect of the mechanism is greatly improved in a two-stage heat recovery mode, the exhaust gas dispersibility is better, the contact energy of the exhaust gas and the heat pipe is more complete by arranging the first air-uniform filtering component and the second air-uniform filtering component, and the problems of single function and unsatisfactory heat recovery effect of the existing boiler waste heat utilization mechanism are solved.
Description
Technical Field
The invention belongs to the technical field of boilers, and particularly relates to a boiler waste heat recycling mechanism and a using mode thereof.
Background
The range of application of the boiler is quite wide, but the exhaust gas generated by burning fuel must be discharged when the boiler is used, so the smoke exhaust channel is a necessity of the boiler, and part of waste heat is discharged along with the discharge of the exhaust gas while the exhaust gas is discharged, so that a large amount of heat is lost, and the environment pollution is caused due to the high temperature of the discharged exhaust gas.
Through retrieval, notice number CN203893427U, notice date 2014.10.22 discloses a boiler waste heat recycling device, which comprises a furnace body, wherein the bottom of the furnace body is a hearth, a preheating water tank is further arranged, a waste heat flue communicated with the hearth penetrates through the middle of a waste heat water tank, an air inducing device is arranged at an air outlet, a cold water injection pipe is arranged above the preheating water tank, a hot water discharge pipe is arranged below the preheating water tank, and the hot water discharge pipe is connected with the furnace body.
The patent has the following disadvantages:
1. the device has a single heat regeneration mode, is not ideal in heat regeneration effect, and is difficult to completely transfer heat in high-temperature waste gas to cold water;
2. the device has single function, and harmful impurities contained in the high-temperature waste gas need to be treated by a special mechanism, so that the device is inconvenient to use;
therefore, the existing waste heat recycling mechanism cannot meet the requirement in practical use, so that an improved technology is urgently needed in the market to solve the problem.
Disclosure of Invention
The invention aims to provide a boiler waste heat recycling mechanism and a use mode thereof.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a boiler waste heat recycling mechanism and a using mode thereof, and the boiler waste heat recycling mechanism comprises a supporting table, a primary heat regeneration mechanism, a secondary heat regeneration mechanism, a discharge valve and a thermometer, wherein the supporting table is respectively fixed with the primary heat regeneration mechanism and the secondary heat regeneration mechanism;
the primary heat recovery mechanism comprises a first waste gas box, a first insulating plate, a first heat recovery box, a first air-homogenizing filtering assembly, a first heat pipe, a motor, a stirrer and an ultrasonic generator, the first waste gas tank is fixed on the support table, a first insulating plate is fixed at the top of the first waste gas tank, a first heat recovery box is fixed on the top of the first insulating plate, a plurality of first heat pipes which are uniformly distributed are fixed on the first insulating plate, the bottom end of the first heat pipe extends to the lower end of the interior of the first exhaust gas box, the top end of the first heat pipe extends to the upper end of the interior of the first heat recovery box, a first air-homogenizing filtering component is arranged at the lower end in the first waste gas box, a motor is fixed at the center of the top of the first heat recovery box, an output shaft of the motor penetrates through the top surface of the first heat recovery box and is fixedly connected with the stirrer through a coupler, and an ultrasonic generator is fixed on the inner wall of the first heat recovery box;
the bottom of the first waste gas tank is provided with a first gas inlet pipe, the upper end of the side surface of the first waste gas tank is provided with six first gas outlet pipes which are uniformly distributed along the circumference, the top of the first heat recovery tank is respectively provided with a first water inlet pipe and a first water outlet pipe, the bottom end of the first water outlet pipe extends to the lower end of the interior of the first heat recovery tank, and the top end of the first water outlet pipe is fixedly provided with a discharge valve and a thermometer;
the secondary heat regeneration mechanism comprises a second waste gas tank, a second insulating plate, a second heat regeneration tank, a second air-homogenizing filtering assembly and second heat pipes, the second waste gas tank is fixed on the supporting table, the second insulating plate is fixed at the top of the second waste gas tank, the second heat regeneration tank is fixed at the top of the second insulating plate, a plurality of second heat pipes which are uniformly distributed are fixed on the second insulating plate, the bottom ends of the second heat pipes extend to the lower end of the inside of the second waste gas tank, the top ends of the second heat pipes extend to the upper end of the inside of the second heat regeneration tank, and the end, close to the first waste gas tank, of the inside of the second waste gas tank is provided with the second air-homogenizing filtering assembly;
the side that the second waste gas case is close to first waste gas case is provided with the second intake pipe, second intake pipe and first outlet duct fixed connection, the side that the first waste gas case was kept away from to the second waste gas case is provided with the second outlet duct, the top of second heat recovery case is provided with the second inlet tube, the lateral surface lower extreme of second heat recovery case is provided with the second outlet pipe.
Further, even aerofoil and thin wire netting of first even wind filter assembly includes arc mounting panel, first even aerofoil, first filter, second filter, third filter, second, even aerofoil and thin wire netting of first even aerofoil, first filter, second filter, third filter, second are even range upon range of on the arc mounting panel from the bottom up, the outside of arc mounting panel is provided with the handle, just the side of first exhaust gas case is provided with the breach with arc mounting panel matched with.
Further, the structure of the second air-homogenizing filtering component is the same as that of the first air-homogenizing filtering component, and the second air-homogenizing filtering component also comprises an arc-shaped mounting plate, a first air-homogenizing plate, a first filtering plate, a second filtering plate, a third filtering plate, a second air-homogenizing plate and a fine wire mesh.
Furthermore, one side of the second waste gas box is provided with a groove, the other side of the second waste gas box is provided with a guide rail matched with the groove, the guide rail and the groove are arranged, so that the second waste gas box can be clamped together, and the second waste gas box can be conveniently drawn out and pushed in.
Furthermore, the end part of the second water outlet pipe is also respectively fixed with a discharge valve and a thermometer, and the temperature of the discharged water can be observed through the thermometer, so that the discharged water can be timely drawn out when the temperature of the water in the heat recovery box reaches a set value.
Further, the second waste gas tank, the second insulating plate and the second heat recovery tank are all arranged in a fan shape.
The invention also provides a using mode of the boiler waste heat recycling mechanism, which comprises the following steps:
s1: adding cold water into the first heat recovery box through the first water inlet pipe, and adding cold water into the second heat recovery box through the second water inlet pipe;
s2: high-temperature waste gas of the boiler is introduced into the recycling mechanism through a pipeline and enters a first waste gas box through a first gas inlet pipe, the high-temperature waste gas is filtered and uniformly distributed by a first air-homogenizing filtering assembly, then is subjected to heat conduction with a first heat pipe, and heat is transferred into cold water in a first heat recovery box through the first heat pipe, so that the cold water is heated to become hot water, and primary heat recovery is realized, and the hot water flows into the boiler through the pipeline again, so that recycling is realized;
s3: waste gas in the first waste gas tank enters the second waste gas tank through the first air outlet pipe and the second air inlet pipe, high-temperature waste gas is filtered by the second air-homogenizing filtering component and is uniformly distributed, then heat conduction is carried out between the high-temperature waste gas and the second heat pipe, heat is transferred to cold water in the second heat recovery tank through the second heat pipe, cold water is heated to become hot water, secondary heat recovery is achieved, and the hot water flows into the boiler through the pipeline again, so that recycling is achieved.
The invention has the following beneficial effects:
1. the invention has the advantages that the heat regeneration effect of the mechanism is greatly improved by arranging the primary heat regeneration mechanism and the six secondary heat regeneration mechanisms in a secondary heat regeneration mode, the primary heat regeneration mechanism is used for carrying out integral primary heat regeneration, then the waste gas is divided into six air flows, the secondary heat regeneration mechanism is used for further heat regeneration, the heat in the waste gas can be thoroughly recovered, in addition, the air flow direction can be changed in the heat regeneration process, and the contact between the waste gas and the heat pipe is more complete.
2. According to the invention, the first air-homogenizing filtering component and the second air-homogenizing filtering component are arranged, so that the mechanism has a filtering function, the waste gas dispersibility is better, and the effect of slowing down the speed of the waste gas is also achieved, the waste gas can be more uniformly contacted with the heat pipe, after the waste gas is triple-uniform through the first air-homogenizing plate, the second air-homogenizing plate and the fine wire mesh, the contact between the waste gas and the heat pipe can be more complete, and after the waste gas is triple-filtered through the first filter plate, the second filter plate and the third filter plate, harmful substances in the waste gas can be removed, the damage of the harmful substances to the heat pipe is avoided, the service life of the heat pipe is prolonged, the environment pollution caused by the waste gas is avoided, the heat regeneration mechanism and the dust removal mechanism are integrally designed, the cost is reduced, and the first air-homogenizing filtering component and the second air-homogenizing filtering component are both freely extracted, so that the replacement and maintenance are more convenient.
3. According to the invention, the motor, the stirrer and the ultrasonic generator are arranged, and ultrasonic stirring and mechanical stirring are combined, so that cold water in the first heat recovery box can be in full and uniform contact with the first heat pipe, the cold water can absorb heat more quickly, and the heat recovery effect is greatly improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a connection structure of a primary heat recovery mechanism and a secondary heat recovery mechanism according to the present invention;
FIG. 3 is a schematic structural diagram of a primary heat recovery mechanism according to the present invention;
FIG. 4 is a schematic structural view of a first air homogenizing filter assembly according to the present invention;
fig. 5 is a structural schematic diagram of a two-stage heat recovery mechanism of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a support table; 2. a primary heat regenerative mechanism; 3. a secondary heat recovery mechanism; 4. a discharge valve; 5. a thermometer; 201. a first off-gas tank; 202. a first insulating plate; 203. a first heat recovery tank; 204. a first air homogenizing filter assembly; 205. a first heat pipe; 206. a motor; 207. a stirrer; 208. an ultrasonic generator; 301. a second exhaust gas tank; 302. a second insulating plate; 303. a second heat recovery tank; 304. a second air-homogenizing filter assembly; 305. a second heat pipe; 20101. a first intake pipe; 20102. a first air outlet pipe; 20301. a first water inlet pipe; 20302. a first water outlet pipe; 20401. an arc-shaped mounting plate; 20402. a first air distribution plate; 20403. a first filter plate; 20404. a second filter plate; 20405. a third filter plate; 20406. a second air distribution plate; 20407. fine wire netting; 30101. a second intake pipe; 30102. a second air outlet pipe; 30103. a groove; 30104. a guide rail; 30301. a second water inlet pipe; 30302. and a second water outlet pipe.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1, the present invention is a boiler waste heat recycling mechanism and a using method thereof, including a supporting table 1, a primary heat recovery mechanism 2, a secondary heat recovery mechanism 3, a discharge valve 4 and a thermometer 5, wherein the supporting table 1 is respectively fixed with the primary heat recovery mechanism 2 and the secondary heat recovery mechanism 3, the primary heat recovery mechanism 2 is fixed at the center of the supporting table 1, and six secondary heat recovery mechanisms 3 are fixed around the primary heat recovery mechanism 2 and are uniformly distributed along the circumference.
As shown in fig. 2-3, the primary regenerative mechanism 2 includes a first waste gas tank 201, a first insulating plate 202, a first regenerative tank 203, a first air-distributing filter assembly 204, first heat pipes 205, a motor 206, a stirrer 207, and an ultrasonic generator 208, the first waste gas tank 201 is fixed on the support table 1, the first insulating plate 202 is fixed on the top of the first waste gas tank 201, the first regenerative tank 203 is fixed on the top of the first insulating plate 202, a plurality of first heat pipes 205 are fixed on the first insulating plate 202, the bottom end of the first heat pipe 205 extends to the lower end of the first waste gas tank 201, the top end of the first heat pipe 205 extends to the upper end of the first regenerative tank 203, the first air-distributing filter assembly 204 is arranged at the lower end of the first waste gas tank 201, a first air inlet pipe 20101 is arranged at the bottom of the first waste gas tank 201, six first air outlet pipes 20102 are uniformly distributed along the circumference are arranged at the upper end of the side of the first waste gas tank, a motor 206 is fixed at the center of the top of the first heat recovery box 203, an output shaft of the motor 206 passes through the top surface of the first heat recovery box 203 and is fixedly connected with the stirrer 207 through a coupler, an ultrasonic generator 208 is fixed on the inner wall of the first heat recovery box 203, a first water inlet pipe 20301 and a first water outlet pipe 20302 are respectively arranged at the top of the first heat recovery box 203, the bottom end of the first water outlet pipe 20302 extends to the lower end inside the first heat recovery box 203, a discharge valve 4 and a thermometer 5 are fixed at the top end of the first water outlet pipe 20302, when the ultrasonic generator is used, the motor 206 and the ultrasonic generator 208 are started, the motor 206 drives the stirrer 207 to rotate to stir the cold water in the first heat recovery box 203, the ultrasonic generator 208 sends out ultrasonic waves to carry out ultrasonic treatment on the cold water in the first heat recovery box 203, the ultrasonic stirring and the mechanical stirring are combined, so that the cold water in the first heat recovery box 203 can be fully and uniformly contacted with the first heat pipe 205, the cold water can absorb heat more quickly, and the heat return effect is greatly improved.
As shown in fig. 2 and 5, the secondary heat recovery mechanism 3 includes a second exhaust gas tank 301, a second insulating plate 302, a second heat recovery tank 303, a second air-uniformizing filter assembly 304 and second heat pipes 305, wherein the second exhaust gas tank 301, the second insulating plate 302 and the second heat recovery tank 303 are all configured in a fan shape, the second exhaust gas tank 301 is fixed on the support table 1, the second insulating plate 302 is fixed on the top of the second exhaust gas tank 301, the second heat recovery tank 303 is fixed on the top of the second insulating plate 302, a plurality of second heat pipes 305 are fixed on the second insulating plate 302 and are uniformly distributed, the bottom ends of the second heat pipes 305 extend to the lower end of the inside of the second exhaust gas tank 301, the top ends of the second heat pipes 305 extend to the upper end of the inside of the second heat recovery tank 303, the end of the inside of the second exhaust gas tank 301 close to the first exhaust gas tank 201 is provided with the second air-uniformizing filter assembly 304, the side surface of the second exhaust gas tank 301 close to the first exhaust gas tank 201 is provided with a second air inlet pipe 30101, the second air inlet pipe 30101 is fixedly connected with the first air outlet pipe 20102, a second air outlet pipe 30102 is arranged on the side face, far away from the first waste gas tank 201, of the second waste gas tank 301, a groove 30103 is arranged on one side of the second waste gas tank 301, a guide rail 30104 matched with the groove 30103 is arranged on the other side of the second waste gas tank 301, a second water inlet pipe 30301 is arranged at the top of the second heat recovery tank 303, a second water outlet pipe 30302 is arranged at the lower end of the outer side face of the second heat recovery tank 303, and a discharge valve 4 and a thermometer 5 are also fixed to the end portion of the second water outlet pipe 30302 respectively.
As shown in fig. 4, the first air-homogenizing filtering assembly 204 includes an arc-shaped mounting plate 20401, a first air-homogenizing plate 20402, a first filtering plate 20403, a second filtering plate 20404, a third filtering plate 20405, a second air-homogenizing plate 20406 and a fine iron wire mesh 20407, the first air-homogenizing plate 20402, the first filtering plate 20403, the second filtering plate 20404, the third filtering plate 20405, the second air-homogenizing plate 20406 and the fine iron wire mesh 20407 are uniformly stacked on the arc-shaped mounting plate 20401 from bottom to top, a handle is disposed outside the arc-shaped mounting plate 20401, a notch matched with the arc-shaped mounting plate 20401 is disposed on a side surface of the first exhaust gas box 201, the second air-homogenizing filtering assembly 304 has the same structure as the first air-homogenizing filtering assembly 204, the second air-homogenizing filtering assembly 304 also includes the arc-shaped mounting plate 20401, the first air-homogenizing plate 20402, the first filtering plate 20403, the second filtering plate 20404, the third filtering plate 20405, the second air-homogenizing plate 20406 and the fine iron wire mesh 20407, after triple filtration through first filter 20403, second filter 20404 and third filter 20405 in proper order, get rid of the harmful substance in the waste gas, avoid harmful substance to the heat pipe harm, improve the life of heat pipe, even back through second air distributing plate 20406 and fine wire netting 20407 again obtains even waste gas flow, fully contacts with the heat pipe.
The invention also provides a using mode of the boiler waste heat recycling mechanism, which comprises the following steps:
s1: cold water is added into the first heat recovery tank 203 through the first water inlet pipe 20301, and is added into the second heat recovery tank 303 through the second water inlet pipe 30301;
s2: high-temperature waste gas of the boiler is introduced into the recycling mechanism through a pipeline and enters the first waste gas tank 201 through the first gas inlet pipe 20101, the high-temperature waste gas is filtered by the first air-homogenizing filtering component 204 and is uniformly distributed, then the high-temperature waste gas is subjected to heat conduction with the first heat pipe 205, and heat is transferred into cold water in the first heat recovery tank 203 through the first heat pipe 205, so that the cold water is heated to become hot water, and therefore primary heat recovery is realized, and the hot water flows into the boiler through the pipeline again, so that recycling is realized;
s3: waste gas in the first waste gas tank 201 enters six second waste gas tanks 301 through a first air outlet pipe 20102 and a second air inlet pipe 30101, the waste gas is divided into six air flows and is regenerated respectively, high-temperature waste gas is filtered by a second air-homogenizing filtering component 304 and is uniformly distributed, heat conduction is carried out between the high-temperature waste gas and a second heat pipe 305, heat is transferred to cold water in a second heat recovery tank 303 through the second heat pipe 305, the cold water is heated to become hot water, secondary regeneration is achieved, the hot water flows into a boiler through a pipeline, and recycling is achieved.
The above are only preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made to the technical solutions described in the above embodiments, and to some of the technical features thereof, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a boiler waste heat cyclic utilization mechanism, includes brace table (1), one-level backheat mechanism (2), second grade backheat mechanism (3), discharge valve (4) and thermometer (5), its characterized in that: a primary heat recovery mechanism (2) and a secondary heat recovery mechanism (3) are respectively fixed on the supporting platform (1), the primary heat recovery mechanism (2) is fixed at the center of the supporting platform (1), and six secondary heat recovery mechanisms (3) which are uniformly distributed along the circumference are fixed on the periphery of the primary heat recovery mechanism (2);
the primary heat recovery mechanism (2) comprises a first waste gas tank (201), a first insulating plate (202), a first heat recovery tank (203), a first air-homogenizing filter assembly (204), first heat pipes (205), a motor (206), a stirrer (207) and an ultrasonic generator (208), wherein the first waste gas tank (201) is fixed on the support table (1), the first insulating plate (202) is fixed at the top of the first waste gas tank (201), the first heat recovery tank (203) is fixed at the top of the first insulating plate (202), a plurality of first heat pipes (205) are uniformly distributed and fixed on the first insulating plate (202), the bottom ends of the first heat pipes (205) extend to the inner lower end of the first waste gas tank (201), the top ends of the first heat pipes (205) extend to the inner upper end of the first heat recovery tank (203), and the first air-homogenizing filter assembly (204) is arranged at the inner lower end of the first waste gas tank (201), a motor (206) is fixed at the center of the top of the first heat recovery box (203), an output shaft of the motor (206) penetrates through the top surface of the first heat recovery box (203) to be fixedly connected with a stirrer (207) through a coupling, and an ultrasonic generator (208) is fixed on the inner wall of the first heat recovery box (203);
a first air inlet pipe (20101) is arranged at the bottom of the first waste gas tank (201), six first air outlet pipes (20102) which are uniformly distributed along the circumference are arranged at the upper end of the side surface of the first waste gas tank (201), a first water inlet pipe (20301) and a first water outlet pipe (20302) are respectively arranged at the top of the first heat recovery tank (203), the bottom end of the first water outlet pipe (20302) extends to the lower end of the interior of the first heat recovery tank (203), and a discharge valve (4) and a thermometer (5) are fixed at the top end of the first water outlet pipe (20302);
the secondary heat recovery mechanism (3) comprises a second waste gas tank (301), a second insulating plate (302), a second heat recovery tank (303), a second uniform air filtering component (304) and a second heat pipe (305), the second waste gas tank (301) is fixed on the support table (1), a second insulating plate (302) is fixed at the top of the second waste gas tank (301), a second heat recovery box (303) is fixed at the top of the second insulating plate (302), a plurality of second heat pipes (305) which are uniformly distributed are fixed on the second insulating plate (302), the bottom end of the second heat pipe (305) extends to the inner lower end of the second exhaust gas tank (301), the top end of the second heat pipe (305) extends to the inner upper end of the second heat recovery box (303), a second air-homogenizing filtering assembly (304) is arranged at one end, close to the first exhaust gas tank (201), in the second exhaust gas tank (301);
the side face, close to the first waste gas tank (201), of the second waste gas tank (301) is provided with a second air inlet pipe (30101), the second air inlet pipe (30101) is fixedly connected with the first air outlet pipe (20102), the side face, far away from the first waste gas tank (201), of the second waste gas tank (301) is provided with a second air outlet pipe (30102), the top of the second heat recovery tank (303) is provided with a second water inlet pipe (30301), and the lower end of the outer side face of the second heat recovery tank (303) is provided with a second water outlet pipe (30302).
2. The boiler waste heat recycling mechanism according to claim 1, wherein the first air-homogenizing filtering assembly (204) comprises an arc-shaped mounting plate (20401), a first air-homogenizing plate (20402), a first filtering plate (20403), a second filtering plate (20404), a third filtering plate (20405), a second air-homogenizing plate (20406) and a fine iron wire mesh (20407), the first air-homogenizing plate (20402), the first filtering plate (20403), the second filtering plate (20404), the third filtering plate (20405), the second air-homogenizing plate (20406) and the fine iron wire mesh (20407) are uniformly stacked on the arc-shaped mounting plate (20401) from bottom to top, a handle is arranged outside the arc-shaped mounting plate (20401), and a notch matched with the arc-shaped mounting plate (20401) is arranged on a side surface of the first exhaust gas box (201).
3. The waste heat recycling mechanism of the boiler as claimed in claim 1, wherein the second air-homogenizing filtering assembly (304) has the same structure as the first air-homogenizing filtering assembly (204), and the second air-homogenizing filtering assembly (304) also comprises an arc-shaped mounting plate (20401), a first air-homogenizing plate (20402), a first filtering plate (20403), a second filtering plate (20404), a third filtering plate (20405), a second air-homogenizing plate (20406) and a fine wire mesh (20407).
4. The waste heat recycling mechanism of the boiler as claimed in claim 1, wherein one side of the second exhaust gas box (301) is provided with a groove (30103), and the other side of the second exhaust gas box (301) is provided with a guide rail (30104) matched with the groove (30103).
5. The waste heat recycling mechanism of the boiler as claimed in claim 1, wherein the end of the second outlet pipe (30302) is also fixed with a discharge valve (4) and a thermometer (5), respectively.
6. The waste heat recycling mechanism of a boiler as claimed in claim 1, wherein the second exhaust gas box (301), the second insulating plate (302) and the second heat recovery box (303) are all provided in a fan shape.
7. The use mode of the boiler waste heat recycling mechanism according to any one of claims 1 to 6, characterized by comprising the following steps:
s1: cold water is added into the first heat recovery box (203) through a first water inlet pipe (20301) and is added into the second heat recovery box (303) through a second water inlet pipe (30301);
s2: high-temperature waste gas of the boiler is introduced into the recycling mechanism through a pipeline and enters a first waste gas tank (201) through a first air inlet pipe (20101), the high-temperature waste gas is filtered by a first air-homogenizing filtering component (204) and is uniformly distributed, then the high-temperature waste gas is subjected to heat conduction with a first heat pipe (205), and heat is transferred into cold water in a first heat recovery tank (203) through the first heat pipe (205), so that the cold water is heated to be hot water, and primary heat recovery is realized, and the hot water flows into the boiler through the pipeline again to realize recycling;
s3: waste gas in the first waste gas tank (201) enters into second waste gas tank (301) through first outlet duct (20102), second intake pipe (30101), high temperature waste gas filters and evenly distributed back through second even wind filter assembly (304) earlier, take place heat-conduction with second heat pipe (305), the heat is in second heat pipe (305) transmission to the cold water in second heat recovery case (303), make cold water heat-up become hot water, thereby realize the second grade and return heat, hot water flows into the boiler in the pipeline again, realize cyclic utilization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN113217932B (en) | 2022-09-27 |
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