CN111503650B - Environment-friendly boiler blowdown exhaust waste heat recovery device - Google Patents
Environment-friendly boiler blowdown exhaust waste heat recovery device Download PDFInfo
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- CN111503650B CN111503650B CN202010322290.7A CN202010322290A CN111503650B CN 111503650 B CN111503650 B CN 111503650B CN 202010322290 A CN202010322290 A CN 202010322290A CN 111503650 B CN111503650 B CN 111503650B
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- 238000011084 recovery Methods 0.000 title claims abstract description 48
- 239000002918 waste heat Substances 0.000 title claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 239000000428 dust Substances 0.000 claims abstract description 70
- 230000005540 biological transmission Effects 0.000 claims abstract description 58
- 238000005086 pumping Methods 0.000 claims abstract description 55
- 239000000463 material Substances 0.000 claims abstract description 40
- 230000017525 heat dissipation Effects 0.000 claims abstract description 33
- 238000009434 installation Methods 0.000 claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 7
- 239000011494 foam glass Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 5
- 238000010168 coupling process Methods 0.000 claims 5
- 238000005859 coupling reaction Methods 0.000 claims 5
- 239000010721 machine oil Substances 0.000 claims 1
- 125000003003 spiro group Chemical group 0.000 claims 1
- 239000003245 coal Substances 0.000 abstract description 33
- 239000003818 cinder Substances 0.000 abstract description 24
- 230000000694 effects Effects 0.000 abstract description 10
- 238000006243 chemical reaction Methods 0.000 abstract description 9
- 239000010883 coal ash Substances 0.000 abstract description 9
- 239000002817 coal dust Substances 0.000 abstract description 9
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 14
- 239000002893 slag Substances 0.000 description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000002937 thermal insulation foam Substances 0.000 description 1
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Classifications
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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
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
- F23J1/06—Mechanically-operated devices, e.g. clinker pushers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/1815—Cooling or heating devices
-
- 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
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention belongs to the technical field of boilers, and particularly relates to an environment-friendly boiler blow-down exhaust waste heat recovery device. The invention aims to solve the technical problem of providing an environment-friendly boiler blow-down exhaust waste heat recovery device which has high waste heat conversion rate, wide application range and environment-friendly exhaust and can collect coal dust. An environment-friendly boiler pollution discharge exhaust waste heat recovery device comprises a dust collection box, a bracket, an installation barrel, a rotary heat dissipation barrel, a spiral water pipe, a cold water inlet pipe, a hot water outlet pipe, a material pumping mechanism, a transmission rotating mechanism and the like; the mounting cylinder is fixedly connected to the top of the dust collecting box through a support; the inner surface of the mounting cylinder is fixedly connected with a spiral water pipe, and one end of the spiral water pipe penetrates through the top of the mounting cylinder. The invention achieves the effects of high waste heat conversion rate, wide application range, environment-friendly exhaust, collection of coal dust and cleaning of coal cinder and coal ash in the boiler.
Description
Technical Field
The invention belongs to the technical field of boilers, and particularly relates to an environment-friendly boiler blow-down exhaust waste heat recovery device.
Background
The boiler is operated at the same time in the two parts of boiler and boiler, after water enters the boiler, the boiler heating surface transfers the absorbed heat to water in the steam-water system, so that the water is heated into hot water with certain temperature and pressure or generated steam, and the hot water or the generated steam is led out for application. In the combustion equipment part, fuel is combusted to continuously release heat, high-temperature flue gas generated by combustion transfers the heat to a boiler heating surface through heat propagation, the temperature of the high-temperature flue gas is gradually reduced, and the high-temperature flue gas is finally discharged from a chimney.
Present coal fired boiler is including vertical boiler and horizontal boiler, and the cinder of the coal fired boiler output of common use still scatters the waste heat, thereby it carries out waste heat recycling to need waste heat collection device, but the conversion rate is lower, and can not collect the coal dust of burning out, and simultaneously, current waste heat collection device can not collect to vertical boiler or horizontal boiler simultaneously, must set up two sets of different devices and handle, more extravagant resource, can not use in unison, application range is little, therefore need urgently to develop one kind can waste heat conversion rate high, wide use range, exhaust environmental protection, can collect the environment-friendly boiler blowdown exhaust waste heat recovery device of coal dust.
Disclosure of Invention
The invention aims to overcome the defects that the existing coal-fired boiler comprises a vertical boiler and a horizontal boiler, coal slag produced by the common coal-fired boiler is also scattered with waste heat, so that a waste heat collecting device is required to recycle the waste heat, but the conversion rate is low, burned coal dust cannot be collected, meanwhile, the existing waste heat collecting device cannot simultaneously collect the coal dust aiming at the vertical boiler or the horizontal boiler, two different devices are required to be arranged for processing, resources are wasted, the coal dust cannot be comprehensively utilized, and the use range is small.
The invention is achieved by the following specific technical means:
an environment-friendly boiler pollution discharge exhaust waste heat recovery device comprises a dust collection box, a support, an installation cylinder, a rotary heat dissipation cylinder, a spiral water pipe, a cold water inlet pipe, a hot water outlet pipe, a material pumping mechanism, a transmission rotating mechanism, a grinding steel ball, a dust pumping mechanism, a dust collection frame, an installation ring, a recovery pipeline, a lining plate and an exhaust mechanism; the dust collecting frame is connected with the inner surface of the dust collecting box in a sliding way, and the mounting cylinder is fixedly connected to the top of the dust collecting box through a support; a spiral water pipe is fixedly connected to the inner surface of the mounting cylinder, one end of the spiral water pipe penetrates through the top of the mounting cylinder, and the other end of the spiral water pipe penetrates through the bottom of the mounting cylinder; the cold water inlet pipe is communicated with one end of the spiral water pipe, and the hot water outlet pipe is communicated with the other end of the spiral water pipe; two ends of the rotary heat dissipation cylinder are pivoted with two ends of the mounting cylinder through bearings, a plurality of lining plates are arranged in the mounting cylinder at equal intervals along the circumferential direction, a plurality of grinding steel balls are placed on the inner surface of the rotary heat dissipation cylinder, and a mounting ring is fixedly connected to the left side of the mounting cylinder; the material pumping mechanism is arranged on the side part of the mounting ring, and the output end of the material pumping mechanism is communicated with the inside of the rotary heat dissipation cylinder; the top of the dust collection box, which is positioned right below the mounting ring, is provided with a transmission rotating mechanism, the output end of the transmission rotating mechanism is in transmission connection with a rotary radiating cylinder, the right side of the mounting cylinder is fixedly connected with a recovery pipeline, and the dust pumping mechanism is arranged at the top of the dust collection box; one end of the recovery pipeline corresponds to the rotary heat dissipation cylinder and is communicated with the rotary heat dissipation cylinder through the dust extraction mechanism, and the other end of the recovery pipeline is matched with the dust extraction mechanism; the dust pumping mechanism is communicated with the dust collection box, and the exhaust mechanism is arranged on the side part of the recovery pipeline.
Furthermore, the material pumping mechanism comprises a first hollow horn-shaped frame, a first air draft fan, a first servo motor, a sealing ring, a rotating shaft, a ninety-degree turning gear set, a second air draft fan, a through pipe, a material pumping pipeline and a clamping mechanism; the first hollow horn-shaped frame is fixedly connected to the side part of the mounting ring; the right side of the first hollow horn-shaped frame corresponds to and is communicated with the mounting ring and the rotary heat dissipation cylinder; the top of the first hollow horn-shaped frame is communicated with a through pipe, the through pipe is fixedly connected with a material pumping pipeline, a first servo motor is fixedly connected to the bottom of the first hollow horn-shaped frame through a frame, and a rotating shaft penetrates through the bottom of the first hollow horn-shaped frame and is in transmission connection with the output end of the first servo motor; the sealing ring is arranged at a position corresponding to the position where the rotating shaft penetrates through the bottom of the first hollow horn-shaped frame, and the rotating shaft penetrates through the sealing ring; the sealing ring is made of a fireproof material, a first exhaust fan is fixedly connected to the top of the rotating shaft in the through pipe, a ninety-degree turning gear set is arranged in the middle of the rotating shaft, a second exhaust fan is installed in the first hollow horn-shaped frame through a bearing, and the end part of the second exhaust fan is fixedly connected with the ninety-degree turning gear set; the left end of the material pumping pipeline is provided with a clamping mechanism.
Furthermore, the clamping mechanism comprises a clamping frame, a threaded hole, a screw rod, an arc-shaped clamping plate and a T-shaped clamping plate; the clamping frame is fixedly connected to the end portion of the pumping pipeline, threaded holes are formed in the middle of four sides of the clamping frame, the screw rod is matched with the threaded holes in a threaded mode, the arc-shaped clamping plate is fixedly connected with the screw rod, and the two ends of the arc-shaped clamping plate are provided with the engine oil T-shaped clamping plate which is located in the clamping frame.
Further, the transmission rotating mechanism comprises a first mounting frame, a second servo motor, a transmission gear and a hollow gear; the first mounting frame is fixedly connected to the top of the dust collection box and communicated with the mounting ring, the end of the rotary heat dissipation cylinder is fixedly connected with a hollow gear, the hollow gear is located in the mounting ring, the second servo motor is fixedly connected in the first mounting frame, the transmission gear is in transmission connection with the output end of the second servo motor, and the transmission gear is meshed with the hollow gear.
Furthermore, the dust pumping mechanism comprises a second hollow horn-shaped frame, a third exhaust fan, a second mounting frame, a third servo motor, a first chain wheel, a transmission chain, a partition plate and a second chain wheel; a second hollow horn-shaped frame is fixedly connected to the right side of the rotary heat dissipation cylinder and is positioned in the recovery pipeline; the second mounting frame is fixedly connected to the top of the dust collection box and communicated with the dust collection box; the dust collection box is internally provided with a partition plate, a third servo motor is fixedly connected to a second mounting frame, a second chain wheel is in transmission connection with the output end of the third servo motor, a third air draft fan is fixedly connected to the second mounting frame through a bearing, the third air draft fan is located in a recovery pipeline, the bottom end of the third air draft fan is fixedly connected with a first chain wheel, the first chain wheel is in transmission connection with the second chain wheel through a transmission chain, and the transmission chain penetrates through the partition plate.
Furthermore, the exhaust mechanism comprises an air outlet pipeline, an air valve, an exhaust fan and an activated carbon cylinder; the air outlet pipeline is communicated with the recovery pipeline, an exhaust fan is arranged in the air outlet pipeline, an air valve is arranged in the air outlet pipeline, and the activated carbon cylinder is arranged at the end part of the air outlet pipeline.
Furthermore, the cold water inlet pipe and the hot water outlet pipe are provided with valves.
Furthermore, the inner surface of the mounting cylinder is provided with a heat-insulating layer which is made of heat-insulating foam glass.
Further, the inner surface of the mounting cylinder is also provided with a temperature sensor; the material pumping mechanism, the transmission rotating mechanism, the exhaust mechanism, the dust pumping mechanism and the temperature sensor are all electrically connected with the PLC.
Compared with the prior art, the invention has the following beneficial effects:
the invention achieves the effects of high waste heat conversion rate, wide application range, environment-friendly exhaust, collection of coal dust and cleaning of coal cinder and coal ash in the boiler.
1. The invention is communicated with the coal cinder outlet end of the vertical coal-fired boiler or the horizontal coal-fired boiler through the material pumping mechanism, namely, the material pumping pipeline is clamped at the boiler port by the clamping mechanism, so that the invention has wide application range, the first exhaust fan and the second exhaust fan can generate great suction force by rotating, the coal cinder in the boiler can be pumped into the rotary heat dissipation cylinder, the material pumping effect is achieved, and the first exhaust fan and the second exhaust fan can clean the coal cinder in the material pumping pipeline and the vertical coal-fired boiler or the horizontal coal-fired boiler, so that the waste heat utilization rate of the coal cinder and the coal cinder is improved.
2. According to the invention, the rotary heat dissipation cylinder is rotated through the transmission rotating mechanism, and the rotary heat dissipation cylinder rotates to drive the lining plate and the grinding steel balls to roll, so that the coal slag is ground, and the waste heat in the coal slag is fully dissipated, thereby improving the waste heat conversion rate of the coal slag.
3. The invention collects the coal ash through the dust pumping mechanism, namely; start third servo motor, third servo motor drives the second chain wheel and rotates, and the second chain wheel can drive first chain wheel through drive chain and rotate promptly to make third induced draft fan rotate, third induced draft fan produces suction, takes out the coal ash in the rotatory heat dissipation section of thick bamboo, in sending into collection dirt frame, so, has reached the effect that can collect the coal dust.
4. When cold water is needed to be heated, the spiral water pipe can be filled with cold water through the cold water inlet pipe, hot water can be discharged through the hot water outlet pipe, or when waste heat heating is needed, the cold water inlet pipe does not need to be filled with cold water, the exhaust mechanism can be directly opened, heating can be provided, hot air or waste gas in the rotary heat dissipation cylinder can be extracted through the recovery pipeline by the exhaust fan, and the waste gas can be treated by the activated carbon cylinder for the effect of environment-friendly exhaust.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a partially broken structural schematic view of the mounting cylinder of the present invention.
FIG. 3 is a left side view of the rotary heat dissipating cylinder of the present invention.
Fig. 4 is a schematic structural view of the material pumping mechanism of the present invention.
FIG. 5 is a schematic structural diagram of a clamping mechanism according to the present invention.
Fig. 6 is a schematic structural diagram of a transmission rotation mechanism of the present invention.
Fig. 7 is a schematic perspective view of the hollow gear of the present invention.
Fig. 8 is a schematic structural view of an exhaust mechanism and a dust exhaust mechanism of the present invention.
Fig. 9 is a left sectional view of the second mounting frame according to the present invention.
The labels in the figures are: 1-a dust collection box, 2-a bracket, 3-an installation barrel, 4-a rotary heat radiation barrel, 5-a spiral water pipe, 6-a cold water inlet pipe, 7-a hot water outlet pipe, 8-a material pumping mechanism, 81-a first hollow horn-shaped frame, 82-a first air draft fan, 83-a first servo motor, 84-a sealing ring, 85-a rotating shaft, 86-a ninety-degree steering gear set, 87-a second air draft fan, 88-a through pipe, 89-a material pumping pipeline, 810-a clamping mechanism, 8111-a clamping frame, 8112-a threaded hole, 8113-a screw rod, 8114-an arc splint, 8115-a T splint, 9-a transmission rotating mechanism, 91-a first installation frame, 92-a second servo motor, 93-a transmission gear and 94-a hollow gear, 10-grinding steel balls, 11-dust extraction mechanism, 112-second hollow horn-shaped frame, 113-third induced draft fan, 114-second mounting frame, 115-third servo motor, 117-first chain wheel, 118-transmission chain, 119-partition plate, 1110-second chain wheel, 12-dust collection frame, 13-mounting ring, 14-recovery pipeline, 15-lining plate, 16-exhaust mechanism, 161-air outlet pipeline, 162-air valve, 163-exhaust fan and 164-activated carbon cylinder.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
examples
An environment-friendly boiler pollution discharge exhaust waste heat recovery device is shown in figures 1-9 and comprises a dust collection box 1, a support 2, an installation cylinder 3, a rotary heat dissipation cylinder 4, a spiral water pipe 5, a cold water inlet pipe 6, a hot water outlet pipe 7, a material pumping mechanism 8, a transmission rotating mechanism 9, a grinding steel ball 10, a dust pumping mechanism 11, a dust collection frame 12, an installation ring 13, a recovery pipeline 14, a lining plate 15 and an exhaust mechanism 16; the dust collecting frame 12 is connected with the inner surface of the dust collecting box 1 in a sliding way, and the mounting cylinder 3 is fixedly connected to the top of the dust collecting box 1 through the bracket 2; a spiral water pipe 5 is fixedly connected to the inner surface of the mounting cylinder 3, one end of the spiral water pipe 5 penetrates through the top of the mounting cylinder 3, and the other end of the spiral water pipe 5 penetrates through the bottom of the mounting cylinder 3; a cold water inlet pipe 6 is communicated with one end of the spiral water pipe 5, and a hot water outlet pipe 7 is communicated with the other end of the spiral water pipe 5; two ends of the rotary heat-radiating cylinder 4 are pivoted with two ends of the mounting cylinder 3 through bearings, a plurality of lining plates 15 are arranged in the mounting cylinder 3 at equal intervals along the circumferential direction, a plurality of grinding steel balls 10 are placed on the inner surface of the rotary heat-radiating cylinder 4, and a mounting ring 13 is fixedly connected to the left side of the mounting cylinder 3; the material pumping mechanism 8 is arranged at the side part of the mounting ring 13, and the output end of the material pumping mechanism 8 is communicated with the inside of the rotary heat radiating cylinder 4; the top of the dust collection box 1, which is positioned right below the mounting ring 13, is provided with a transmission rotating mechanism 9, the output end of the transmission rotating mechanism 9 is in transmission connection with the rotary heat dissipation cylinder 4, the right side of the mounting cylinder 3 is fixedly connected with a recovery pipeline 14, and the dust pumping mechanism 11 is arranged at the top of the dust collection box 1; one end of the recovery pipeline 14 corresponds to the rotary heat dissipation cylinder 4 and is communicated with the dust extraction mechanism 11, and the other end of the recovery pipeline 14 is matched with the dust extraction mechanism 11; the dust suction mechanism 11 is communicated with the dust collection box 1, and an exhaust mechanism 16 is arranged on the side part of the recovery pipeline 14.
Aiming at a vertical coal-fired boiler or a coal-fired horizontal boiler, the input end of the pumping mechanism 8 can be communicated with the coal cinder outlet end of the vertical coal-fired boiler or the coal-fired horizontal boiler, and then the pumping mechanism 8 is started, so that the coal cinder in the vertical coal-fired boiler or the coal-fired horizontal boiler can be pumped, and the coal cinder falls into the rotary heat dissipation cylinder 4 for treatment;
when the water is heated by the residual heat of the coal cinder, cold water can be injected through the cold water inlet pipe 6, so that the spiral water pipe 5 is full, and hot water can be discharged through the hot water outlet pipe 7, or when the residual heat heating is required, the cold water inlet pipe 6 does not need to be injected with cold water, the exhaust mechanism 16 can be directly opened, and then the heating can be provided;
in the process, the transmission rotating mechanism 9 can be started, the transmission rotating mechanism 9 drives the rotary heat-radiating cylinder 4 to rotate, the coal slag is ground under the action of the grinding steel balls 10 and the lining plates 15 in the rotary heat-radiating cylinder 4, so that the waste heat in the coal slag is fully dissipated, the waste heat conversion rate of the coal slag is improved, and the coal slag is dissipated into the spiral linear water pipe 5 for heating cold water through the heat dissipation of the rotary heat-radiating cylinder 4, so that the cold water heating effect can be achieved, or when waste heat heating is required to be provided, the exhaust mechanism 16 is connected with a heating channel, the exhaust mechanism 16 is opened, the gas in the rotary heat-radiating cylinder 4 is extracted by the exhaust mechanism 16, and the heating channel is filled with the heating air by the exhaust mechanism 16, so that the effect of respectively recovering the waste heat by water and gas is achieved;
after the waste heat recovery is finished, the dust pumping mechanism 11 can be started, the transmission rotating mechanism 9 is stopped, the dust pumping mechanism 11 can pump out the coal ash in the rotary heat dissipation cylinder 4 and pump the coal ash into the dust collection frame 12, and then the coal ash in the dust collection frame 12 is processed.
The material pumping mechanism 8 comprises a first hollow horn-shaped frame 81, a first air extracting fan 82, a first servo motor 83, a sealing ring 84, a rotating shaft 85, a ninety-degree steering gear set 86, a second air extracting fan 87, a through pipe 88, a material pumping pipeline 89 and a clamping mechanism 810; the first hollow horn-shaped frame 81 is fixedly connected to the side part of the mounting ring 13; the right side of the first hollow horn-shaped frame 81 corresponds to and is communicated with the mounting ring 13 and the rotary heat-radiating cylinder 4; the top of the first hollow horn-shaped frame 81 is communicated with a through pipe 88, the through pipe 88 is fixedly connected with a material pumping pipeline 89, a first servo motor 83 is fixedly connected to the bottom of the first hollow horn-shaped frame 81 through a frame, and a rotating shaft 85 penetrates through the bottom of the first hollow horn-shaped frame 81 and is in transmission connection with the output end of the first servo motor 83; the sealing ring 84 is arranged at a position corresponding to the position where the rotating shaft 85 penetrates through the bottom of the first hollow horn-shaped frame 81, and the rotating shaft 85 penetrates through the sealing ring 84; the sealing ring 84 is made of refractory materials, the top of the rotating shaft 85, which is positioned in the through pipe 88, is fixedly connected with the first induced draft fan 82, the middle part of the rotating shaft 85 is provided with a ninety-degree steering gear set 86, the second induced draft fan 87 is arranged in the first hollow horn-shaped frame 81 through a bearing, and the end part of the second induced draft fan 87 is fixedly connected with the ninety-degree steering gear set 86; the left end of the material pumping pipeline 89 is provided with a clamping mechanism 810; will take out material pipeline 89 and vertical coal fired boiler or horizontal boiler of coal fired go out the cinder end intercommunication, and utilize fixture 810 to be fixed in vertical coal fired boiler or horizontal boiler of coal fired to go out the cinder end, the cinder can directly fall into in the cinder pipeline, start first servo motor 83 after that, first servo motor 83 can drive first induced draft fan 82, second induced draft fan 87 rotates, and produce very big suction, can be with the cinder suction in the boiler rotatory heat dissipation section of thick bamboo 4 of cinder suction, the effect of taking out the material has been reached, and first induced draft fan 82, second induced draft fan 87 can clean up the coal cinder in material pipeline 89 and vertical coal fired boiler or horizontal boiler of coal fired, make the waste heat utilization of cinder coal cinder improve.
The clamping mechanism 810 comprises a clamping frame 8111, a threaded hole 8112, a screw 8113, an arc-shaped clamping plate 8114 and a T-shaped clamping plate 8115; the clamping frame 8111 is fixedly connected to the end portion of the material pumping pipeline 89, the middle portions of four sides of the clamping frame 8111 are provided with threaded holes 8112, the screw rod 8113 is in threaded fit with the threaded holes 8112, the arc-shaped clamping plate 8114 is fixedly connected with the screw rod 8113, two ends of the arc-shaped clamping plate 8114 enable the engine oil T-shaped clamping plate 8115 to be located in the clamping frame 8111; the screw 8113 can be rotated, so that the arc-shaped clamping plate 8114 and the T-shaped clamping plate 8115 move, clamping force is generated between the arc-shaped clamping plate 8114 and the T-shaped clamping plate 8115 and the clamping frame 8111, the coal outlet of the boiler can be clamped, and the practicability of the waste heat recovery device is improved by aiming at a circular discharge port or a square discharge port.
The transmission rotating mechanism 9 comprises a first mounting frame 91, a second servo motor 92, a transmission gear 93 and a hollow gear 94; the first mounting frame 91 is fixedly connected to the top of the dust collection box 1, the first mounting frame 91 is communicated with the mounting ring 13, the end part of the rotary heat dissipation cylinder 4 is fixedly connected with a hollow gear 94, the hollow gear 94 is positioned in the mounting ring 13, the second servo motor 92 is fixedly connected in the first mounting frame 91, the transmission gear 93 is in transmission connection with the output end of the second servo motor 92, and the transmission gear 93 is meshed with the hollow gear 94; the second servo motor 92 is started, the second servo motor 92 drives the transmission gear 93 to rotate, and the transmission gear 93 is meshed with the hollow gear 94, so that the hollow gear 94 can also rotate, namely the rotary heat dissipation cylinder 4 rotates to drive the lining plate 15 and the grinding steel ball 10 to roll, so that the coal cinder is ground, the waste heat in the coal cinder is fully dissipated, and the waste heat conversion rate of the coal cinder is improved.
The dust pumping mechanism 11 comprises a second hollow horn-shaped frame 112, a third induced draft fan 113, a second mounting frame 114, a third servo motor 115, a first chain wheel 117, a transmission chain 118, a partition 119 and a second chain wheel 1110; a second hollow horn-shaped frame 112 is fixedly connected to the right side of the rotary heat dissipation cylinder 4, and the second hollow horn-shaped frame 112 is positioned in the recovery pipeline 14; the second mounting frame 114 is fixedly connected to the top of the dust box 1 and is communicated with the dust box 1; a partition board 119 is arranged in the dust collection box 1, the third servo motor 115 is fixedly connected to the second mounting frame 114, the second chain wheel 1110 is in transmission connection with the output end of the third servo motor 115, the third air draft fan 113 is fixedly connected to the second mounting frame 114 through a bearing, the third air draft fan 113 is positioned in the recovery pipeline 14, the bottom end of the third air draft fan 113 is fixedly connected with a first chain wheel 117, the first chain wheel 117 is in transmission connection with the second chain wheel 1110 through a transmission chain 118, and the transmission chain 118 penetrates through the partition board 119; the third servo motor 115 is started, the third servo motor 115 drives the second chain wheel 1110 to rotate, namely, the second chain wheel 1110 can drive the first chain wheel 117 to rotate through the transmission chain 118, so that the third air draft fan 113 rotates, the third air draft fan 113 generates suction force, coal ash in the rotary heat dissipation cylinder 4 is pumped out, and the coal ash can be collected in the dust collection frame 12.
Wherein, the exhaust mechanism 16 comprises an air outlet pipeline 161, an air valve 162, an exhaust fan 163 and an activated carbon cylinder 164; the air outlet pipeline 161 is communicated with the recovery pipeline 14, an exhaust fan 163 is arranged in the air outlet pipeline 161, an air valve 162 is arranged on the air outlet pipeline 161, and an activated carbon cylinder 164 is arranged at the end part of the air outlet pipeline 161; when heating is required, the air valve 162 is opened, the air outlet pipe 161 is opened, the exhaust fan 163 can be directly started, the exhaust fan 163 can extract hot air or exhaust gas in the rotary heat radiation cylinder 4 through the recovery pipe 14, and the activated carbon cylinder 164 can treat the exhaust gas for the effect of environment-friendly exhaust.
Wherein, the cold water inlet pipe 6 and the hot water outlet pipe 7 are both provided with valves; the water heating is required and the valve can be opened or the flow rate of the water can be controlled.
Wherein, the 3 internal surfaces of installation section of thick bamboo are equipped with the heat preservation, and the heat preservation material is thermal insulation foam glass material. Wherein, the inner surface of the mounting cylinder 3 is also provided with a temperature sensor; the material pumping mechanism 8, the transmission rotating mechanism 9, the exhaust mechanism 16, the dust pumping mechanism 11 and the temperature sensor are all electrically connected with a PLC (programmable logic controller); in order to enable the waste heat recovery device to be semi-automatic, the PLC controls the material pumping mechanism 8, the transmission rotating mechanism 9, the exhaust mechanism 16 and the dust pumping mechanism 11 to be started through automatic detection of the temperature sensor, so that a semi-automatic effect is achieved.
Although the present disclosure has been described in detail with reference to the exemplary embodiments, the present disclosure is not limited thereto, and it will be apparent to those skilled in the art that various modifications and changes can be made thereto without departing from the scope of the present disclosure.
Claims (9)
1. An environment-friendly boiler pollution discharge exhaust waste heat recovery device is characterized by comprising a dust collection box (1), a support (2), an installation cylinder (3), a rotary heat dissipation cylinder (4), a spiral water pipe (5), a cold water inlet pipe (6), a hot water outlet pipe (7), a material pumping mechanism (8), a transmission rotary mechanism (9), a grinding steel ball (10), a dust pumping mechanism (11), a dust collection frame (12), an installation ring (13), a recovery pipeline (14), a lining plate (15) and an exhaust mechanism (16); the dust collecting frame (12) is connected with the inner surface of the dust collecting box (1) in a sliding way, and the mounting cylinder (3) is fixedly connected to the top of the dust collecting box (1) through a bracket (2); a spiral water pipe (5) is fixedly connected to the inner surface of the mounting cylinder (3), one end of the spiral water pipe (5) penetrates through the top of the mounting cylinder (3), and the other end of the spiral water pipe (5) penetrates through the bottom of the mounting cylinder (3); the cold water inlet pipe (6) is communicated with one end of the spiral water pipe (5), and the hot water outlet pipe (7) is communicated with the other end of the spiral water pipe (5); two ends of the rotary heat-radiating cylinder (4) are pivoted with two ends of the mounting cylinder (3) through bearings, a plurality of lining plates (15) are arranged in the mounting cylinder (3) at equal intervals along the circumferential direction, a plurality of grinding steel balls (10) are placed on the inner surface of the rotary heat-radiating cylinder (4), and a mounting ring (13) is fixedly connected to the left side of the mounting cylinder (3); the material pumping mechanism (8) is arranged on the side part of the mounting ring (13), and the output end of the material pumping mechanism (8) is communicated with the inside of the rotary heat dissipation cylinder (4); the top of the dust collection box (1) right below the mounting ring (13) is provided with a transmission rotating mechanism (9), the output end of the transmission rotating mechanism (9) is in transmission connection with the rotary heat dissipation cylinder (4), the right side of the mounting cylinder (3) is fixedly connected with a recovery pipeline (14), and the dust pumping mechanism (11) is arranged at the top of the dust collection box (1); one end of the recovery pipeline (14) corresponds to the rotary heat dissipation cylinder (4) and is communicated with the dust extraction mechanism (11), and the other end of the recovery pipeline (14) is matched with the dust extraction mechanism (11); the dust pumping mechanism (11) is communicated with the dust collection box (1), and the exhaust mechanism (16) is arranged on the side part of the recovery pipeline (14).
2. The environment-friendly boiler blowdown exhaust gas waste heat recovery device according to claim 1, wherein the pumping mechanism (8) comprises a first hollow horn-shaped frame (81), a first air draft fan (82), a first servo motor (83), a sealing ring (84), a rotating shaft (85), a ninety-degree change gear set (86), a second air draft fan (87), a through pipe (88), a pumping pipe (89) and a clamping mechanism (810); the first hollow horn-shaped frame (81) is fixedly connected to the side part of the mounting ring (13); the right side of the first hollow horn-shaped frame (81) corresponds to and is communicated with the mounting ring (13) and the rotary heat dissipation cylinder (4); the top of the first hollow horn-shaped frame (81) is communicated with a through pipe (88), the through pipe (88) is fixedly connected with a material pumping pipeline (89), a first servo motor (83) is fixedly connected to the bottom of the first hollow horn-shaped frame (81) through a frame, and a rotating shaft (85) penetrates through the bottom of the first hollow horn-shaped frame (81) and is in transmission connection with the output end of the first servo motor (83); the sealing ring (84) is arranged at a position corresponding to the position where the rotating shaft (85) penetrates through the bottom of the first hollow horn-shaped frame (81), and the rotating shaft (85) penetrates through the sealing ring (84); the sealing ring (84) is made of a fireproof material, a first air draft fan (82) is fixedly connected to the top of the rotating shaft (85) positioned in the through pipe (88), a ninety-degree steering gear set (86) is arranged in the middle of the rotating shaft (85), a second air draft fan (87) is installed in the first hollow horn-shaped frame (81) through a bearing, and the end part of the second air draft fan (87) is fixedly connected with the ninety-degree steering gear set (86); the left end of the material pumping pipeline (89) is provided with a clamping mechanism (810).
3. The environment-friendly boiler blowdown exhaust gas waste heat recovery device according to claim 2, wherein the clamping mechanism (810) comprises a clamping frame (8111), a threaded hole (8112), a screw rod (8113), an arc-shaped clamping plate (8114) and a T-shaped clamping plate (8115); clamping frame (8111) rigid coupling is in material pipeline (89) tip of taking out, and the middle part of four sides of clamping frame (8111) is equipped with screw hole (8112), screw rod (8113) and screw hole (8112) spiro union cooperation, and arc splint (8114) and screw rod (8113) rigid coupling, so machine oil T shape splint (8115) at arc splint (8114) both ends, arc splint (8114) are located clamping frame (8111).
4. The environment-friendly boiler blowdown exhaust gas waste heat recovery device of claim 1, wherein the transmission rotary mechanism (9) comprises a first mounting frame (91), a second servo motor (92), a transmission gear (93) and a hollow gear (94); the first mounting frame (91) is fixedly connected to the top of the dust collection box (1), the first mounting frame (91) is communicated with the mounting ring (13), the end of the rotary heat dissipation cylinder (4) is fixedly connected with the hollow gear (94), the hollow gear (94) is located in the mounting ring (13), the second servo motor (92) is fixedly connected into the first mounting frame (91), the transmission gear (93) is in transmission connection with the output end of the second servo motor (92), and the transmission gear (93) is meshed with the hollow gear (94).
5. The environment-friendly boiler blowdown exhaust gas waste heat recovery device according to claim 1, wherein the dust pumping mechanism (11) comprises a second hollow horn-shaped frame (112), a third air draft fan (113), a second mounting frame (114), a third servo motor (115), a first chain wheel (117), a transmission chain (118), a partition plate (119) and a second chain wheel (1110); a second hollow horn-shaped frame (112) is fixedly connected to the right side of the rotary heat dissipation cylinder (4), and the second hollow horn-shaped frame (112) is positioned in the recovery pipeline (14); the second mounting frame (114) is fixedly connected to the top of the dust collection box (1) and is communicated with the dust collection box (1); be equipped with baffle (119) in dust collection box (1), third servo motor (115) rigid coupling in second installing frame (114), second chain wheel (1110) are connected with third servo motor (115) output transmission, third induced draft fan (113) pass through the bearing rigid coupling in second installing frame (114), third induced draft fan (113) are located recovery tube (14), third induced draft fan (113) bottom rigid coupling has first chain wheel (117), be connected through drive chain (118) transmission between first chain wheel (117) and second chain wheel (1110), drive chain (118) run through baffle (119).
6. The environment-friendly boiler blowdown exhaust gas waste heat recovery device according to claim 1, wherein the exhaust mechanism (16) comprises an air outlet pipeline (161), an air valve (162), an exhaust fan (163) and an activated carbon cylinder (164); the air outlet pipeline (161) is communicated with the recovery pipeline (14), an exhaust fan (163) is arranged in the air outlet pipeline (161), an air valve (162) is arranged in the air outlet pipeline (161), and the activated carbon cylinder (164) is installed at the end part of the air outlet pipeline (161).
7. The environment-friendly boiler blowdown exhaust gas waste heat recovery device according to claim 1, wherein the cold water inlet pipe (6) and the hot water outlet pipe (7) are provided with valves.
8. The environment-friendly boiler blowdown exhaust gas waste heat recovery device according to claim 1, wherein the inner surface of the installation cylinder (3) is provided with an insulating layer, and the insulating layer is made of insulating foam glass.
9. The environment-friendly boiler blowdown exhaust gas waste heat recovery device according to claim 1, wherein the inner surface of the mounting cylinder (3) is further provided with a temperature sensor; the material pumping mechanism (8), the transmission rotating mechanism (9), the exhaust mechanism (16), the dust pumping mechanism (11) and the temperature sensor are all electrically connected with the PLC.
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| CN202010322290.7A CN111503650B (en) | 2020-04-22 | 2020-04-22 | Environment-friendly boiler blowdown exhaust waste heat recovery device |
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| CN202010322290.7A CN111503650B (en) | 2020-04-22 | 2020-04-22 | Environment-friendly boiler blowdown exhaust waste heat recovery device |
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| CN111503650B true CN111503650B (en) | 2022-04-22 |
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