CN114413663A - Self-adaptive boiler waste heat recycling and cleaning device and using method - Google Patents
Self-adaptive boiler waste heat recycling and cleaning device and using method Download PDFInfo
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- CN114413663A CN114413663A CN202111056120.XA CN202111056120A CN114413663A CN 114413663 A CN114413663 A CN 114413663A CN 202111056120 A CN202111056120 A CN 202111056120A CN 114413663 A CN114413663 A CN 114413663A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D11/00—Heat-exchange apparatus employing moving conduits
- F28D11/02—Heat-exchange apparatus employing moving conduits the movement being rotary, e.g. performed by a drum or roller
- F28D11/04—Heat-exchange apparatus employing moving conduits the movement being rotary, e.g. performed by a drum or roller performed by a tube or a bundle of tubes
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
- F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G7/00—Cleaning by vibration or pressure waves
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a self-adaptive boiler waste heat recovery cleaning device, which comprises a box body, wherein a heat recovery cavity, a transmission cavity and a dust removal cavity are arranged in the box body from bottom to top, a water pipe is arranged in the heat recovery cavity, the top of the water pipe passes through the top of the heat recovery cavity, the transmission cavity and the dust removal cavity and then reaches the upper part of the box body, and the bottom of the water pipe passes through the bottom of the heat recovery cavity and then reaches the lower part of the box body, and the self-adaptive boiler waste heat recovery cleaning device has the beneficial effects that: the water pipe vibrating device is simple in structure and easy and convenient to operate, can periodically knock and vibrate the water pipe during waste heat recovery, enables the water pipe to shake at high frequency to shake and remove particulate matter impurities such as dust and smoke attached to the surface of the water pipe, can automatically rotate the water pipe, enables the water pipe to uniformly absorb heat in waste gas, can automatically discharge low-temperature waste gas after the heat in the waste gas is absorbed, is simple and efficient, is convenient and quick, and greatly improves the utilization efficiency of the waste heat in the waste gas.
Description
Technical Field
The invention relates to the technical field of boilers, in particular to a boiler waste heat self-adaptive recovery cleaning device and a using method thereof.
Background
At present, the method advocates to develop waste heat utilization vigorously, save energy and reduce emission, and plays a positive role in protecting energy and improving the quality of human living environment. The waste heat boiler is energy-saving and environment-friendly equipment, and is a boiler which heats water to a certain working medium by utilizing heat generated by burning waste gas, waste materials or waste liquid in various industrial processes and combustible substances thereof. When the waste heat boiler is used for recycling high-temperature flue gas, a large amount of dust is mixed in the flue gas and can be accumulated on a heating surface of a water pipe inside the waste heat boiler, heat exchange is not facilitated, and therefore, in order to not influence the efficiency of heat exchange, after the waste heat boiler is used for a period of time, workers can clean the water pipe inside the waste heat boiler through other cleaning equipment such as a handheld water spray gun or an air spray gun and the like, but the waste heat boiler is not only stopped for a long time period for ash removal, but also the ash removal efficiency is low, the labor intensity of the workers is increased, the position of the water pipe is always fixed, the water pipe cannot fully absorb waste heat in the waste gas, the waste heat recovery efficiency of the waste gas is low, and a large amount of waste heat in the waste gas is discharged and dissipated into the air.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a boiler waste heat self-adaptive recovery cleaning device which can regularly knock a vibrating water pipe during waste heat recovery to enable the water pipe to shake at high frequency to shake off particulate matters such as dust and smoke attached to the surface of the water pipe and automatically rotate the water pipe, so that the water pipe can uniformly absorb heat in waste gas, and low-temperature waste gas can be automatically discharged after the heat in the waste gas is completely absorbed.
The invention adopts the technical scheme for solving the technical problems that: the self-adaptive boiler waste heat recovery and cleaning device comprises a box body, wherein a heat recovery cavity, a transmission cavity and a dedusting cavity are arranged in the box body from bottom to top, a water pipe is arranged in the heat recovery cavity, the top of the water pipe penetrates through the top of the heat recovery cavity, the transmission cavity and the dedusting cavity and then reaches the top of the box body, the bottom of the water pipe penetrates through the bottom of the heat recovery cavity and then reaches the bottom of the box body, the water pipe is rotatably connected with the heat recovery cavity, the transmission cavity and the dedusting cavity, a partition plate is fixedly arranged on the inner wall of the heat recovery cavity, vent holes are formed in the partition plate in an array manner, a lifting plate positioned above the partition plate is slidably connected with the inner wall of the heat recovery cavity, the water pipe penetrates through the lifting plate, the lifting plate is slidably connected with the outer side of the water pipe in a rotating manner, a first auxiliary slide bar fixedly connected with the inner wall of the top of the heat recovery cavity after penetrating through the lifting plate is symmetrically and fixedly arranged on the partition plate, a first spring surrounding the first auxiliary slide bar is fixedly arranged between the lifting plate and the partition plate, the utility model discloses a heat recovery device, including heat recovery chamber, baffle and lifter plate, heat recovery chamber left end inner wall fixed mounting has the intake pipe that is located between baffle and the lifter plate, intake pipe internally mounted has first electric valve, the outlet duct is installed to heat recovery chamber left end inner wall bottom, the internally mounted of outlet duct has second electric valve, the thermometer that is located the outlet duct top is installed to heat recovery intracavity wall, the barometer is installed to heat recovery intracavity wall. The structure can keep the capacity of the hot waste gas filled in the heat recovery cavity every time constant and improve the heat recovery efficiency.
In order to further improve the structure, a worm wheel positioned in a transmission cavity is fixedly installed on the outer side of the water pipe, a worm meshed with the rear end of the worm wheel is rotatably connected to the inner walls of the left end and the right end of the transmission cavity, first bevel gears are symmetrically and fixedly installed on the outer sides of the worms, a second bevel gear is meshed with the top of the first bevel gear, a first rotating shaft penetrating through the transmission cavity and reaching the dust removal cavity is fixedly installed in the center of the second bevel gear, a pawl sleeve is fixedly installed on the outer side of the worm, a first gear is arranged on the outer side of the pawl sleeve, a ratchet clamping groove matched with the pawl sleeve is arranged on the inner side of the first gear, an annular sliding groove surrounding the worm is arranged at one end, far away from the water pipe, of the transmission cavity, a supporting sleeve extending into the annular sliding groove and connected with the annular sliding groove is fixedly installed on the first gear, a first rack is meshed with the rear end of the first gear, and the top of the first rack penetrates through the top of the transmission cavity and reaches the dust removal cavity, first rack and transmission chamber top sliding connection, first rack top fixed mounting has the limiting plate that is located the dust removal intracavity, first rack bottom pass transmission chamber bottom back and lifter plate fixed connection, first rack and transmission chamber bottom sliding connection. The structure can drive the water pipe to rotate.
Further perfecting, first pivot outside fixed mounting has the scarce tooth gear that is located the dust removal intracavity portion, the inside symmetry of dust removal intracavity portion is equipped with the supplementary slide bar of second, the supplementary slide bar of second and dust removal intracavity front and back both ends inner wall fixed connection, sliding connection has a pair of sliding plate on the supplementary slide bar of second, fixed mounting has the second rack that can with lack tooth gear engagement between the sliding plate, fixed mounting has the board that hits that supports the water pipe outside on the second rack, the supplementary slide bar of second passes hits the board and rather than sliding connection, the sliding plate that is close to dust removal chamber front end and dust removal chamber front end fixed mounting have the second spring around the supplementary slide bar of second. The structure can remove dust by impacting the water pipe through the impact plate.
Further perfected, the inner part of the water pipe positioned in the heat recovery cavity is in a bent shape.
Further perfected, the water pipe is positioned in the heat recovery cavity, and the inner part of the water pipe is made of heat dissipation materials.
Further perfection, the parts of the water pipes, which are positioned outside the transmission cavity, the dust removal cavity and the box body, are made of heat insulation materials.
Further perfection, the bottom of the inner wall of the heat recovery cavity is in a slope shape from low to high from left to right.
A use method of a boiler waste heat self-adaptive recovery cleaning device comprises the following steps:
firstly, air intake: opening a first electric valve to guide waste gas into a heat recovery cavity through an air inlet pipe, wherein the density of hot air is less than that of cold air, so that the cold air in the original heat recovery cavity can be discharged through an air outlet pipe;
secondly, dedusting and cooling: the lifting plate drives the first rack to rise when rising, the first rack only drives the first gear when rising, the first gear can not drive the pawl sleeve to rotate at the moment, then, the temperature is reduced because the heat in the waste gas in the heat recovery cavity is continuously absorbed by the water pipe, the air pressure in the heat recovery cavity is reduced at the moment, the first rack descends under the action of the first spring, the first gear drives the pawl sleeve to rotate due to the descending of the first rack, the pawl sleeve rotates to drive the worm to rotate, the worm rotates to drive the worm wheel and the first bevel gear to rotate, the worm wheel rotates to drive the water pipe to rotate, the bent part of the water pipe in the heat recovery cavity can better contact with the waste gas due to the rotation of the water pipe, the waste heat recovery efficiency is improved, meanwhile, the first bevel gear rotates to drive the second bevel gear to rotate, the second bevel gear rotates to drive the first rotating shaft to rotate, the first rotating shaft rotates to drive the tooth-lacking gear to rotate, the second rack slides after being driven by the rotation of the gear lacking the teeth to move away from the water pipe for a certain distance, and then the sliding plate is impacted on the water pipe, so that the water pipe vibrates to remove dust attached to the surface of the water pipe;
thirdly, exhausting gas: when the thermometer detects that the temperature in the heat recovery cavity is reduced to a certain value, the second electric valve is opened to exhaust the cooled waste gas, and at the moment, because the bottom of the heat recovery cavity is an inclined plane, dust accumulated on the left side of the bottom of the heat recovery cavity can be exhausted along with the cooled waste gas.
The invention has the beneficial effects that: the water pipe vibrating device is simple in structure and easy and convenient to operate, can periodically knock and vibrate the water pipe during waste heat recovery, enables the water pipe to shake at high frequency to shake and remove particulate matter impurities such as dust and smoke attached to the surface of the water pipe, can automatically rotate the water pipe, enables the water pipe to uniformly absorb heat in waste gas, can automatically discharge low-temperature waste gas after the heat in the waste gas is absorbed, is simple and efficient, is convenient and quick, and greatly improves the utilization efficiency of the waste heat in the waste gas.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view taken along line A-A in FIG. 1;
FIG. 3 is a partial enlarged view B of FIG. 1;
fig. 4 is a schematic structural view of the support sleeve of the present invention.
Description of reference numerals: the device comprises a box body 1, a water pipe 2, a vent hole 3, a first spring 4, a first electric valve 5, an air inlet pipe 6, a partition plate 7, a heat recovery cavity 8, a barometer 9, a second electric valve 10, an air outlet pipe 11, a thermometer 12, a ratchet clamping groove 13, a first rotating shaft 14, a second rack 15, a second auxiliary sliding rod 16, a sliding plate 17, a dust removal cavity 18, a worm wheel 19, a second bevel gear 20, a transmission cavity 21, a worm 22, a first auxiliary sliding rod 23, a first bevel gear 24, a first rack 25, an annular sliding groove 26, a pawl sleeve 27, a support sleeve 28, a first gear 29, a limit plate 30, a tooth-missing gear 31, a collision plate 32, a second spring 33 and a lifting plate 34.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
with reference to figures 1, 2, 3: this kind of cleaning device is retrieved to boiler waste heat self-adaptation in this embodiment, including box 1, 1 inside from the bottom up of box is equipped with heat recovery chamber 8, transmission chamber 21, dust removal chamber 18, 8 inside water pipes 2 that are equipped with in heat recovery chamber, 2 tops of water pipes pass and reach 1 top of box behind 8 tops in heat recovery chamber, transmission chamber 21, the dust removal chamber 18, 2 bottoms of water pipes pass and reach 1 below of box behind 8 bottoms in heat recovery chamber, water pipes 2 rotate with heat recovery chamber 8, transmission chamber 21, dust removal chamber 18 and be connected, 8 inner wall fixed mounting in heat recovery chamber have baffle 7, the array is equipped with air vent 3 on the baffle 7, 8 inner wall sliding connection in heat recovery chamber has lifter plate 34 that is located baffle 7 top, water pipes 2 passes lifter plate 34, lifter plate 34 is connected with 2 outside sliding connection of water pipe and rotates, symmetrical fixed mounting has the first assistance with heat recovery chamber 8 top inner wall fixed connection after passing lifter plate 34 on the baffle 7 Help slide bar 23, fixed mounting has first spring 4 around first supplementary slide bar 23 between lifter plate 34 and the baffle 7, 8 left end inner wall fixed mounting in heat recovery chamber have the intake pipe 6 that is located between baffle 7 and the lifter plate 34, 6 internally mounted of intake pipe have first electric valve 5, outlet duct 11 is installed to 8 left end inner wall bottoms in heat recovery chamber, 11 internally mounted of outlet duct has second electric valve 10, thermometer 12 that is located 11 tops of outlet duct is installed to 8 inner walls in heat recovery chamber, barometer 9 is installed to 8 inner walls in heat recovery chamber. A worm wheel 19 positioned in a transmission cavity 21 is fixedly installed on the outer side of the water pipe 2, worms 22 meshed with the rear end of the worm wheel 19 are rotatably connected to the inner walls of the left end and the right end of the transmission cavity 21, first bevel gears 24 are symmetrically and fixedly installed on the outer sides of the worms 22, a second bevel gear 20 is meshed with the top of the first bevel gear 24, a first rotating shaft 14 penetrating through the transmission cavity 21 and reaching the dedusting cavity 18 is fixedly installed in the center of the second bevel gear 20, a pawl sleeve 27 is fixedly installed on the outer side of the worm 22, a first gear 29 is arranged on the outer side of the pawl sleeve 27, a ratchet clamping groove 13 matched with the pawl sleeve 27 is arranged on the inner side of the first gear 29, an annular sliding groove 26 surrounding the worm wheel 22 is arranged at one end of the transmission cavity 21 far away from the water pipe 2, a support sleeve 28 extending into the annular sliding groove 26 and connected with the annular sliding groove 26 is fixedly installed on the first gear 29, and a first rack 25 is meshed with the rear end of the first gear 29, first rack 25 top is passed and is arrived in the dust removal chamber 18 behind the transmission chamber 21 top, first rack 25 and transmission chamber 21 top sliding connection, first rack 25 top fixed mounting has the limiting plate 30 that is located the dust removal chamber 18, first rack 25 bottom is passed and is passed transmission chamber 21 bottom back and 34 fixed connection with lifter plate, first rack 25 and transmission chamber 21 bottom sliding connection. The outer side of the first rotating shaft 14 is fixedly provided with a tooth-lacking gear 31 positioned in the dust removal cavity 18, the dust removal cavity 18 is symmetrically provided with second auxiliary sliding rods 16, the second auxiliary sliding rods 16 are fixedly connected with the inner walls of the front end and the rear end of the dust removal cavity 18, the second auxiliary sliding rods 16 are connected with a pair of sliding plates 17 in a sliding mode, a second rack 15 capable of being meshed with the tooth-lacking gear 31 is fixedly installed between the sliding plates 17, a collision plate 32 abutting against the outer side of the water pipe 2 is fixedly installed on the second rack 16, the second auxiliary sliding rods 16 penetrate through the collision plate 32 and are connected with the collision plate in a sliding mode, and a second spring 33 surrounding the second auxiliary sliding rods 16 is fixedly installed at the sliding plates 17 close to the front end of the dust removal cavity 18 and the front end of the dust removal cavity 18. The part of the water pipe 2 inside the heat recovery cavity 8 is bent. The water pipe 2 is made of heat dissipation materials at the inner part of the heat recovery cavity 8. The parts of the water pipe 2, which are positioned outside the transmission cavity 21, the dust removal cavity 18 and the box body 1, are made of heat-insulating materials. The bottom of the inner wall of the heat recovery cavity 8 is in a slope shape from low to high from left to right.
With reference to figures 1, 2, 3, 4: a use method of a boiler waste heat self-adaptive recovery cleaning device comprises the following steps:
firstly, air intake: opening a first electric valve 5 to guide waste gas into a heat recovery cavity 8 through an air inlet pipe 6, wherein the density of hot air is smaller than that of cold air, so that the cold air in the original heat recovery cavity 8 can be discharged through an air outlet pipe 11, when the heat recovery cavity 8 is filled with the hot waste gas, the numerical value of a thermometer 12 rises, when the numerical value of the thermometer 12 rises to a certain degree through a preset program, a second electric valve 10 is closed, at the moment, the air pressure on the inner wall of the heat recovery cavity 8 rises due to the fact that the hot waste gas continuously enters the heat recovery cavity 8, so that a lifting plate 34 rises, when the air pressure in the heat recovery cavity 8 reaches a certain value, the numerical value of a barometer 9 rises, and when the numerical value of the barometer 9 rises to a certain degree through a preset program, the first electric valve 5 is closed;
secondly, dedusting and cooling: the lifting plate 34 drives the first rack 25 to ascend when ascending, the first rack 25 only drives the first gear 29 when ascending, at this time, the first gear 29 does not drive the pawl sleeve 27 to rotate, then, the temperature is reduced due to the fact that heat in the exhaust gas in the heat recovery cavity 8 is continuously absorbed by the water pipe 2, at this time, the air pressure inside the heat recovery cavity 8 is reduced, the first rack 25 descends under the action of the first spring 4, the first rack 25 descends to enable the first gear 29 to drive the pawl sleeve 27 to rotate, the pawl sleeve 27 rotates to drive the worm 22 to rotate, the worm 22 rotates to drive the worm wheel 19 and the first bevel gear 24 to rotate, the worm wheel 19 rotates to drive the water pipe 2 to rotate, the water pipe 2 rotates to enable the bent part of the water pipe 2 inside the heat recovery cavity 8 to better contact with the exhaust gas, the waste heat recovery efficiency is improved, meanwhile, the first bevel gear 24 rotates to drive the second bevel gear 20 to rotate, the first rotating shaft 14 rotates, the first rotating shaft 14 rotates to drive the tooth-missing gear 31 to rotate, the tooth-missing gear 31 rotates to drive the second rack 15 to slide, the second rack 15 slides to drive the sliding plate 17 to be away from the water pipe 2 for a distance and then impact the water pipe 2, so that the water pipe 2 vibrates to remove dust attached to the surface of the water pipe 2;
thirdly, exhausting gas: when the thermometer 12 detects that the temperature inside the heat recovery chamber 8 is reduced to a certain value, the second electric valve 10 is opened to discharge the cooled exhaust gas, and at this time, since the bottom of the heat recovery chamber 8 is an inclined surface, the dust accumulated on the left side of the bottom of the heat recovery chamber 8 is also discharged along with the cooled exhaust gas.
While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.
Claims (8)
1. The utility model provides a cleaning device is retrieved to boiler waste heat self-adaptation, includes box (1), characterized by: the box body (1) is internally provided with a heat recovery cavity (8), a transmission cavity (21) and a dust removal cavity (18) from bottom to top, the heat recovery cavity (8) is internally provided with a water pipe (2), the top of the water pipe (2) passes through the top of the heat recovery cavity (8), the transmission cavity (21) and the dust removal cavity (18) and then reaches the top of the box body (1), the bottom of the water pipe (2) passes through the bottom of the heat recovery cavity (8) and then reaches the bottom of the box body (1), the water pipe (2) is rotationally connected with the heat recovery cavity (8), the transmission cavity (21) and the dust removal cavity (18), the inner wall of the heat recovery cavity (8) is fixedly provided with a partition plate (7), the partition plate (7) is arranged on the partition plate (7), the inner wall of the heat recovery cavity (8) is slidably connected with a lifting plate (34) positioned above the partition plate (7), the water pipe (2) passes through the lifting plate (34), and the lifting plate (34) is slidably connected with the outer side of the water pipe (2) and rotationally connected with the water pipe (2), first auxiliary sliding rods (23) which penetrate through the lifting plate (34) and are fixedly connected with the inner wall of the top of the heat recovery cavity (8) are symmetrically and fixedly arranged on the partition plate (7), a first spring (4) surrounding the first auxiliary sliding rod (23) is fixedly arranged between the lifting plate (34) and the clapboard (7), an air inlet pipe (6) positioned between the clapboard (7) and the lifting plate (34) is fixedly arranged on the inner wall of the left end of the heat recovery cavity (8), a first electric valve (5) is arranged in the air inlet pipe (6), an air outlet pipe (11) is arranged at the bottom of the inner wall of the left end of the heat recovery cavity (8), outlet duct (11) internally mounted has second electrically operated valve (10), thermometer (12) that are located outlet duct (11) top are installed to heat recovery chamber (8) inner wall, barometer (9) are installed to heat recovery chamber (8) inner wall.
2. The adaptive boiler waste heat recovery cleaning device of claim 1, wherein: the dust removing device is characterized in that a worm wheel (19) located inside a transmission cavity (21) is fixedly installed on the outer side of the water pipe (2), inner walls of the left end and the right end of the transmission cavity (21) are rotatably connected with a worm (22) meshed with the rear end of the worm wheel (19), first bevel gears (24) are symmetrically and fixedly installed on the outer sides of the worm (22), a second bevel gear (20) is meshed with the top of the first bevel gear (24), a first rotating shaft (14) penetrating through the transmission cavity (21) and then reaching a dust removing cavity (18) is fixedly installed in the center of the second bevel gear (20), a pawl sleeve (27) is fixedly installed on the outer side of the worm (22), a first gear (29) is arranged on the outer side of the pawl sleeve (27), a ratchet clamping groove (13) matched with the pawl sleeve (27) is formed in the inner side of the first gear (29), an annular sliding groove (26) surrounding the worm (22) is formed in one end, far away from the water pipe (2), of the transmission cavity (21), fixed mounting is gone up in first gear (29) has and stretches into annular chute (26) and rather than sliding connection's support cover (28), meshing of first gear (29) rear end has first rack (25), reach in dust removal chamber (18) after transmission chamber (21) top is passed at first rack (25) top, first rack (25) and transmission chamber (21) top sliding connection, first rack (25) top fixed mounting has limiting plate (30) that are located dust removal chamber (18), first rack (25) bottom pass transmission chamber (21) bottom after with lifter plate (34) fixed connection, first rack (25) and transmission chamber (21) bottom sliding connection.
3. The adaptive boiler waste heat recovery cleaning device of claim 1, wherein: a gear (31) with missing teeth positioned in the dust removing cavity (18) is fixedly arranged at the outer side of the first rotating shaft (14), a second auxiliary sliding rod (16) is symmetrically arranged in the dust removing cavity (18), the second auxiliary sliding rod (16) is fixedly connected with the inner walls of the front end and the rear end of the dust removing cavity (18), a pair of sliding plates (17) are connected on the second auxiliary sliding rod (16) in a sliding way, a second rack (15) which can be meshed with the gear lacking (31) is fixedly arranged between the sliding plates (17), a collision plate (32) which is propped against the outer side of the water pipe (2) is fixedly arranged on the second rack (16), the second auxiliary slide bar (16) passes through the striking plate (32) and is connected with the striking plate in a sliding way, and a second spring (33) surrounding the second auxiliary sliding rod (16) is fixedly arranged at the front end of the sliding plate (17) close to the front end of the dust removing cavity (18) and the front end of the dust removing cavity (18).
4. The adaptive boiler waste heat recovery cleaning device of claim 1, wherein: the part of the water pipe (2) positioned in the heat recovery cavity (8) is bent.
5. The adaptive boiler waste heat recovery cleaning device of claim 1, wherein: the part of the water pipe (2) positioned in the heat recovery cavity (8) is made of heat dissipation materials.
6. The adaptive boiler waste heat recovery cleaning device of claim 1, wherein: the parts of the water pipe (2) outside the transmission cavity (21), the dust removal cavity (18) and the box body (1) are made of heat-insulating materials.
7. The adaptive boiler waste heat recovery cleaning device of claim 1, wherein: the bottom of the inner wall of the heat recovery cavity (8) is in a slope shape from low to high from left to right.
8. The use method of the boiler waste heat self-adaptive recovery cleaning device according to claim 1 comprises the following steps:
firstly, air intake: the first electric valve (5) is opened to lead the waste gas into the heat recovery cavity (8) through the air inlet pipe (6), because the density of the hot air is less than that of the cold air, therefore, the cold air in the original heat recovery cavity (8) can be discharged through the air outlet pipe (11), when the interior of the heat recovery chamber (8) is filled with hot exhaust gases, the value of the thermometer (12) rises, when the value of the thermometer (12) rises to a certain degree by a preset program, the second electric valve (10) is closed, and the air pressure of the inner wall of the heat recovery cavity (8) is increased because hot waste gas continuously enters the heat recovery cavity (8), thereby the lifting plate (34) is lifted, when the air pressure in the heat recovery cavity (8) reaches a certain value, the numerical value of the barometer (9) is lifted, through a preset program, when the numerical value of the barometer (9) rises to a certain degree, the first electric valve (5) is closed;
secondly, dedusting and cooling: the lifting plate (34) drives the first rack (25) to ascend when rising, the first rack (25) only drives the first gear (29) when rising, at the moment, the first gear (29) cannot drive the pawl sleeve (27) to rotate, then, the temperature is reduced due to the fact that heat in waste gas in the heat recovery cavity (8) is continuously absorbed by the water pipe (2), at the moment, air pressure in the heat recovery cavity (8) is reduced, the first rack (25) descends under the action of the first spring (4), the first gear (29) drives the pawl sleeve (27) to rotate due to descending of the first rack (25), the pawl sleeve (27) rotates to drive the worm (22) to rotate, the worm (22) rotates to drive the worm wheel (19) and the first bevel gear (24) to rotate, the worm wheel (19) rotates to drive the water pipe (2) to rotate, the water pipe (2) enables the bent part, located inside the heat recovery cavity (8), of the water pipe (2) to be in better contact with the waste gas, the waste heat recovery efficiency is improved, meanwhile, the first bevel gear (24) rotates to drive the second bevel gear (20) to rotate, the second bevel gear (20) rotates to drive the first rotating shaft (14) to rotate, the first rotating shaft (14) rotates to drive the tooth-lacking gear (31) to rotate, the tooth-lacking gear (31) rotates to drive the second rack (15) to slide, the second rack (15) slides to drive the sliding plate (17) to be away from the water pipe (2) for a certain distance and then to impact the water pipe (2), and the water pipe (2) is made to vibrate to further remove dust attached to the surface of the water pipe (2);
thirdly, exhausting gas: when the thermometer (12) detects that the temperature in the heat recovery cavity (8) is reduced to a certain value, the second electric valve (10) is opened to discharge the cooled waste gas, and at the moment, because the bottom of the heat recovery cavity (8) is an inclined plane, dust accumulated on the left side of the bottom of the heat recovery cavity (8) can be discharged along with the cooled waste gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111056120.XA CN114413663A (en) | 2021-09-09 | 2021-09-09 | Self-adaptive boiler waste heat recycling and cleaning device and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111056120.XA CN114413663A (en) | 2021-09-09 | 2021-09-09 | Self-adaptive boiler waste heat recycling and cleaning device and using method |
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| Publication Number | Publication Date |
|---|---|
| CN114413663A true CN114413663A (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111056120.XA Withdrawn CN114413663A (en) | 2021-09-09 | 2021-09-09 | Self-adaptive boiler waste heat recycling and cleaning device and using method |
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| CN (1) | CN114413663A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117537624A (en) * | 2023-12-05 | 2024-02-09 | 河北汉尧碳科新能科技股份有限公司 | Low-temperature waste heat utilization system for tail end of sintering circular cooler |
-
2021
- 2021-09-09 CN CN202111056120.XA patent/CN114413663A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117537624A (en) * | 2023-12-05 | 2024-02-09 | 河北汉尧碳科新能科技股份有限公司 | Low-temperature waste heat utilization system for tail end of sintering circular cooler |
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Application publication date: 20220429 |