CN114263903A - Natural circulation water cooling system of circulating fluidized bed boiler slag discharge pipe - Google Patents
Natural circulation water cooling system of circulating fluidized bed boiler slag discharge pipe Download PDFInfo
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- CN114263903A CN114263903A CN202111497318.1A CN202111497318A CN114263903A CN 114263903 A CN114263903 A CN 114263903A CN 202111497318 A CN202111497318 A CN 202111497318A CN 114263903 A CN114263903 A CN 114263903A
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- 238000001816 cooling Methods 0.000 title claims abstract description 122
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 239000010884 boiler slag Substances 0.000 title claims description 3
- 239000002893 slag Substances 0.000 claims abstract description 80
- 238000003825 pressing Methods 0.000 claims description 51
- 238000005096 rolling process Methods 0.000 claims description 41
- 239000002956 ash Substances 0.000 claims description 34
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 20
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 206010024796 Logorrhoea Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- -1 municipal refuse Substances 0.000 description 1
- 239000004058 oil shale Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
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Abstract
The invention provides a natural circulation water cooling system of a deslagging pipe of a circulating fluidized bed boiler, which belongs to the technical field of circulating fluidized bed boilers and comprises a base, wherein the upper end of the base is fixedly connected with a cooling tank, the upper end of the cooling tank is fixedly connected with a cooling cylinder, a filter cylinder is fixedly connected in the cooling cylinder, a threaded conveying roller is rotatably connected between the inner walls of two sides of the cooling cylinder, the threaded conveying roller is positioned in the filter cylinder, one side end of the base is fixedly connected with a conveying motor, and the output end of the conveying motor is fixed with the side end of the threaded conveying roller; the broken ash and slag enter the cooling cylinder again and are discharged after being subjected to sufficient heat exchange and cooling with cooling water in the cooling cylinder through the threaded conveying roller, and meanwhile, generated steam can enter the cooling cylinder again for secondary utilization.
Description
Technical Field
The invention belongs to the technical field of circulating fluidized bed boilers, and particularly relates to a natural circulation water cooling system of a slag discharge pipe of a circulating fluidized bed boiler.
Background
The circulating fluidized bed boiler adopts the clean coal combustion technology with the highest industrialization degree. The circulating fluidized bed boiler adopts fluidized combustion, and the main structure comprises a combustion chamber (comprising a dense phase region and a dilute phase region) and a circulating return furnace (comprising a high-temperature gas-solid separator and a return system). The biggest difference with the bubbling fluidized bed combustion technology is that the operation wind speed is high, heterogeneous reaction processes such as combustion and desulfurization are strengthened, the boiler capacity can be enlarged to a large capacity (600 MW or above grade) acceptable by the power industry, and the circulating fluidized bed boiler well solves the basic problems of thermology, mechanics, materials and the like and the engineering problems of expansion, abrasion, over temperature and the like, and becomes an advanced technology for energy utilization of difficult-to-burn solid fuels (such as coal gangue, oil shale, municipal refuse, sludge and other wastes).
The boiler can produce high-temperature slag in the use process, and the high-temperature slag cannot be directly discharged outwards and needs to be discharged after being cooled.
Disclosure of Invention
The invention aims to provide a natural circulation water cooling system of a slag discharge pipe of a circulating fluidized bed boiler, and aims to solve the problems that high-temperature slag is generated in the use process of the boiler in the prior art, the high-temperature slag cannot be directly discharged outwards, and the high-temperature slag needs to be discharged after being cooled.
In order to achieve the purpose, the invention provides the following technical scheme:
a natural circulation water cooling system of a slag discharge pipe of a circulating fluidized bed boiler comprises:
the cooling device comprises a base, wherein the upper end of the base is fixedly connected with a cooling box, the upper end of the cooling box is fixedly connected with a cooling cylinder, a filter cylinder is fixedly connected in the cooling cylinder, a threaded conveying roller is rotatably connected between the inner walls of two sides of the cooling cylinder and is positioned in the filter cylinder, one side end of the base is fixedly connected with a conveying motor, the output end of the conveying motor is fixed with the side end of the threaded conveying roller, the lower inner wall of the cooling box is fixedly connected with a condenser and a slag pool, the side end of the base is provided with a water cooling device, and the surface of the cooling cylinder is fixedly connected with a crushing pool; and
the crushing mechanism is connected with the crushing pool to realize crushing treatment of the slag;
and the pressing mechanism is connected with the crushing pool to realize crushing treatment of the slag.
As a preferable scheme of the invention, a filter plate is fixedly connected between the inner walls of the crushing pool.
As a preferred aspect of the present invention, the rolling mechanism includes an installation block, an installation groove, a second lead screw, two second lead screw nuts, two support rods, a rolling motor, an installation shaft, and a rolling roller, the installation block is fixedly connected to the side walls of the crushing tank, the installation groove is formed in the side end of the installation block, the second lead screw is rotatably connected between the inner walls of the installation groove, the two second lead screw nuts are both screwed on the circumferential surface of the second lead screw, the two support rods are respectively and movably hinged to the side ends of the two second lead screw nuts, the installation shaft is movably hinged to the side ends of the two support rods, the rolling roller is rotatably connected between the side walls of the installation shaft, the rolling motor is fixedly connected to the side end of the crushing tank, and the output end of the rolling motor is fixed to the side end of the second lead screw.
As a preferable scheme of the invention, the pressing mechanism comprises a moving assembly and a pressing assembly, the moving assembly comprises a hinged plate, a lifting groove, a first screw rod nut, a moving plate and a pressing motor, the hinged plate is movably hinged to the side end of the crushing pool, the lifting groove is formed in the side end of the hinged plate, the pressing motor is fixedly connected to the lower end of the lifting groove, the first screw rod is fixedly connected to the output end of the pressing motor, the first screw rod nut is in threaded connection with the circumferential surface of the first screw rod, and the moving plate is fixedly connected to the side end of the first screw rod nut.
As a preferable aspect of the present invention, the pressing assembly includes a pressing plate and two cylinders, both of the cylinders are fixedly connected to the lower end of the moving plate, and the pressing plate is fixedly connected to the lower ends of the two cylinder thin rods.
According to a preferable scheme of the invention, the upper and lower inner walls of the mounting groove are respectively provided with a limiting groove, the upper and lower ends of the two second screw rod nuts are respectively fixedly connected with limiting blocks, and the four limiting blocks are respectively connected in the two limiting grooves in a sliding manner.
As a preferable scheme of the invention, a slag outlet is formed at the side end of the slag pool, and a discharge door is movably hinged at the side end of the cooling box.
As a preferable scheme of the invention, rectangular grooves are formed in the inner walls of the two sides of the lifting groove, rectangular blocks are fixedly connected to the two ends of the first screw rod nut, and the two rectangular blocks are respectively connected in the two rectangular grooves in a sliding manner.
As a preferable scheme of the present invention, a water outlet pipe is fixedly connected to a side end of the cooling box, and a cover is screwed to a circumferential surface of the water outlet pipe.
As a preferred aspect of the present invention,
a natural circulation water cooling system of a slag discharge pipe of a circulating fluidized bed boiler comprises the following steps:
s1: pushing the cooling box to move the device to the lower end of the ash discharge port of the boiler;
s2: after the boiler ash of the boiler enters the crushing pool, starting a rolling motor, driving a second lead screw to rotate by the rolling motor, pushing a mounting shaft to move forwards and backwards by two second lead screw nuts along with the rotation of the second lead screw, rolling the boiler ash by a rolling roller, pushing a hinged plate, combining the hinged plate and the crushing pool, starting a pressing motor, driving a first lead screw to rotate by the pressing motor, driving a moving plate to move downwards by the first lead screw, starting two air cylinders, driving the pressing plate to move upwards and downwards to crush the boiler ash;
s3: the crushed furnace dust is filtered by the filter plate and then enters the cooling cylinder for cooling, the conveying motor is started, the output end of the conveying motor drives the threaded conveying roller to rotate, and the cooled furnace slag is driven to one side by the threaded conveying roller until the cooled furnace slag enters the furnace slag pool;
s4: the slag enters the cooling cylinder, the condenser is started, when the slag and the water are cooled, water vapor is generated, the water vapor is changed into cold water through the condenser and stays in the cooling box, the cooling box is connected with the water cooling device through the water outlet pipe, and the cooled water enters the cooling cylinder again to cool the slag.
Compared with the prior art, the invention has the beneficial effects that:
1. after the ashes of boiler got into the breaker in this scheme, the start motor that rolls, the motor that rolls drives the second lead screw and rotates, along with the rotation of second lead screw, two second screw-nut promote the installation axle and move backward forward, roll the compression roller and roll the ashes, this device can carry out broken handle to the slag, prevents that the too big cooling box that gets into of slag from influencing the cooling effect.
2. Promote the articulated slab in this scheme, the articulated slab merges with the breaker, starts the press motor, and the press motor drives first lead screw and rotates, and first lead screw drives the movable plate and moves down, starts two cylinders, and two cylinders drive the press plate and reciprocate and pound the garrulous operation to the ashes, and the broken degree of ashes can be improved to this device.
3. Through cooling in the broken ashes are filtered by the filter and get into the cooling cylinder in this scheme, start the conveying motor, the output of conveying motor drives the screw thread conveying roller and rotates, and the screw thread conveying roller drives slag to one side after will cooling down, and in slag entering slag pool after until the cooling down, this device can play the conveying effect to the slag, conveniently carries away after the cooling cylinder internal cooling.
4. In the slag got into the cooling cylinder in this scheme, start the condenser, when slag and water cooled off, produced vapor, vapor becomes cold water through the condenser and stays in the cooler bin, and the cooler bin passes through the outlet pipe and is connected with water cooling plant, and the refrigerated water cools off the slag in getting into the cooling cylinder again, and the cyclic utilization of water resource can be realized to this device, has reduced the waste of water resource.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is an enlarged view of a portion of the invention at A in FIG. 2;
FIG. 4 is a partial perspective view of the present invention;
FIG. 5 is an enlarged view of a portion of the invention at B in FIG. 4;
FIG. 6 is an enlarged view of a portion of the invention at C of FIG. 4;
fig. 7 is a third perspective view of the present invention.
In the figure: 1. a base; 2. a cooling tank; 3. a crushing pool; 4. a filter plate; 5. a water cooling device; 6. a transfer motor; 7. a hinge plate; 701. a lifting groove; 702. a first lead screw; 703. a first lead screw nut; 8. moving the plate; 801. a cylinder; 802. a pressing plate; 9. mounting blocks; 901. mounting grooves; 902. a second lead screw; 903. a second feed screw nut; 904. installing a shaft; 905. rolling a roller; 906. a strut; 907. rolling a motor; 10. a condenser; 11. a filter cartridge; 12. a threaded conveyor roller; 13. a slag bath; 14. a cooling cylinder; 15. a slag outlet; 16. and (5) discharging a water pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-7, the present invention provides the following technical solutions:
a natural circulation water cooling system of a slag discharge pipe of a circulating fluidized bed boiler comprises:
the cooling device comprises a base 1, wherein the upper end of the base 1 is fixedly connected with a cooling box 2, the upper end of the cooling box 2 is fixedly connected with a cooling cylinder 14, a filter cylinder 11 is fixedly connected in the cooling cylinder 14, a threaded conveying roller 12 is rotatably connected between the inner walls of two sides of the cooling cylinder 14, the threaded conveying roller 12 is positioned in the filter cylinder 11, one side end of the base 1 is fixedly connected with a conveying motor 6, the output end of the conveying motor 6 is fixed with the side end of the threaded conveying roller 12, the lower inner wall of the cooling box 2 is fixedly connected with a condenser 10 and a slag pool 13, the side end of the base 1 is provided with a water cooling device 5, and the surface of the cooling cylinder 14 is fixedly connected with a crushing pool 3; and
the rolling mechanism is connected with the crushing pool 3 to realize crushing treatment of the slag;
and the pressing mechanism is connected with the crushing pool 3 to realize the crushing treatment of the slag.
In the embodiment of the invention, the cooling box 2 is pushed to move the device to the lower end of the ash discharge port of the boiler, after the boiler ash enters the crushing pool 3, the rolling motor 907 is started, the rolling motor 907 drives the second screw rod 902 to rotate, the two second screw rod nuts 903 push the mounting shaft 904 to move forwards and backwards along with the rotation of the second screw rod 902, the rolling roller 905 rolls the boiler ash, the hinged plate 7 is pushed, the hinged plate 7 is combined with the crushing pool 3, the pressing motor is started, the pressing motor drives the first screw rod 702 to rotate, the first screw rod 702 drives the moving plate 8 to move downwards, the two air cylinders 801 are started, the two air cylinders 801 drive the pressing plate 802 to move upwards and downwards to crush the boiler ash, the crushed boiler ash is filtered by the filter plate 4 and then enters the cooling cylinder 14 to be cooled, the conveying motor 6 is started, the output end of the conveying motor 6 drives the threaded conveying roller 12 to rotate, the thread conveying roller 12 drives the cooled slag to one side until the cooled slag enters a slag pool 13, the condenser 10 is started, when the slag and water are cooled, water vapor is generated, the water vapor is changed into cold water through the condenser 10 and stays in the cooling box 2, the cooling box 2 is connected with the water cooling device 5 through a water outlet pipe 16, the cooled water enters the cooling cylinder 14 again to cool the slag, high-temperature ash slag discharged from a hearth in the device is firstly crushed into small blocks through a rolling and pressing mechanism, and cooling and conveying are facilitated; broken ash and slag enter the cooling cylinder 14 again and are discharged after being fully heat exchanged and cooled with cooling water in the cooling cylinder 14 through the screw conveying roller 12, and simultaneously generated steam can enter the cooling cylinder 14 again for secondary utilization, and what needs to be explained is that: the specific types of the pressing motor, the transmission motor 6, the air cylinder 801, the rolling motor 907 and the condenser 10 are selected by those skilled in the art, and the pressing motor, the transmission motor 6, the air cylinder 801, the rolling motor 907 and the condenser 10 belong to the prior art, and the details are not repeated in the scheme.
Specifically, referring to fig. 1, a filter plate 4 is fixedly connected between the inner walls of the crushing tank 3.
In this embodiment: the filter plate 4 can filter the slag that is too large.
Specifically referring to fig. 1, the rolling mechanism includes an installation block 9, an installation groove 901, a second lead screw 902, two second lead screw nuts 903, two support rods 906, a rolling motor 907, an installation shaft 904 and a rolling roller 905, the installation block 9 is fixedly connected to the side wall of the crushing pool 3, the installation groove 901 is formed in the side end of the installation block 9, the second lead screw 902 is rotatably connected between the inner walls of the installation groove 901, the two second lead screw nuts 903 are both threaded and are on the circumferential surface of the second lead screw 902, the two support rods 906 are respectively and movably hinged to the side ends of the two second lead screw nuts 903, the installation shaft 904 is movably hinged to the side ends of the two support rods 906, the rolling roller 905 is rotatably connected between the side wall of the installation shaft 904, the rolling motor 907 is fixedly connected to the side end of the crushing pool 3, and the output end of the rolling motor 907 is fixed to the side end of the second lead screw 902.
In this embodiment: after the ashes of boiler got into crushing pond 3, start and roll motor 907, roll motor 907 and drive second lead screw 902 and rotate, along with the rotation of second lead screw 902, two second screw-nut 903 promote installation axle 904 and move backward forward, roll the roller 905 and roll the ashes, this device can carry out broken handle to the slag, prevents that the too big cooling box 2 of getting into of slag from influencing the cooling effect.
Specifically, referring to fig. 1, the pressing mechanism includes a moving assembly and a pressing assembly, the moving assembly includes a hinged plate 7, a lifting groove 701, a first screw rod 702, a first screw rod nut 703, a moving plate 8 and a pressing motor, the hinged plate 7 is movably hinged to a side end of the crushing pool 3, the lifting groove 701 is opened at a side end of the hinged plate 7, the pressing motor is fixedly connected to a lower end of the lifting groove 701, the first screw rod 702 is fixedly connected to an output end of the pressing motor, the first screw rod nut 703 is in threaded connection with a circumferential surface of the first screw rod 702, and the moving plate 8 is fixedly connected to a side end of the first screw rod nut 703.
In this embodiment: the hinged plate 7 is pushed, the hinged plate 7 is combined with the crushing pool 3, the pressing motor is started, the pressing motor drives the first screw rod 702 to rotate, the first screw rod 702 drives the moving plate 8 to move downwards, and the device can conveniently press the pressing plate 802 to enter the crushing pool 3.
Specifically, referring to fig. 1, the pressing assembly includes a pressing plate 802 and two cylinders 801, wherein the two cylinders 801 are both fixedly connected to the lower end of the moving plate 8, and the pressing plate 802 is fixedly connected to the lower ends of the thin rods of the two cylinders 801.
In this embodiment: two cylinders 801 are started, the two cylinders 801 drive the pressing plate 802 to move up and down to smash the furnace dust, and the furnace dust crushing degree can be improved by the device.
Referring to fig. 1 specifically, the upper and lower inner walls of the mounting groove 901 are both provided with a limiting groove, the upper and lower ends of the two second lead screw nuts 903 are both fixedly connected with limiting blocks, and the four limiting blocks are respectively slidably connected in the two limiting grooves.
In this embodiment: four stopper difference sliding connection can restrict second screw-nut 903's position in two spacing inslots, prevent that second screw-nut 903 from rotating along with second lead screw 902 for this device is more firm.
Specifically, referring to fig. 1, a slag outlet 15 is formed at a side end of the slag pool 13, and a discharge door is movably hinged to a side end of the cooling box 2.
In this embodiment: the tap hole 15 facilitates the discharge of cooled slag from the slag bath 13.
Specifically, referring to fig. 1, rectangular grooves are formed in inner walls of two sides of the lifting groove 701, rectangular blocks are fixedly connected to two ends of the first lead screw nut 703, and the two rectangular blocks are slidably connected to the two rectangular grooves respectively.
In this embodiment: the two rectangular blocks are respectively connected in the two rectangular grooves in a sliding mode, so that the position of the first lead screw nut 703 can be limited, and the device is more stable.
Specifically, referring to fig. 1, a water outlet pipe 16 is fixedly connected to a side end of the cooling box 2, and a cover is screwed to a circumferential surface of the water outlet pipe 16.
In this embodiment: the cold water is conveniently discharged out of the cooling tank 2.
A natural circulation water cooling system of a slag discharge pipe of a circulating fluidized bed boiler comprises the following steps:
s1: pushing the cooling box 2 to move the device to the lower end of an ash discharge port of the boiler;
s2: after boiler ash of a boiler enters the crushing pool 3, a rolling motor 907 is started, the rolling motor 907 drives a second screw rod 902 to rotate, two second screw rod nuts 903 push a mounting shaft 904 to move forwards and backwards along with the rotation of the second screw rod 902, a rolling roller 905 rolls the boiler ash and pushes a hinged plate 7, the hinged plate 7 is combined with the crushing pool 3, a pressing motor is started, the pressing motor drives a first screw rod 702 to rotate, the first screw rod 702 drives a moving plate 8 to move downwards, two air cylinders 801 are started, and the two air cylinders 801 drive a pressing plate 802 to move upwards and downwards to crush the boiler ash;
s3: the crushed furnace dust is filtered by the filter plate 4 and then enters the cooling cylinder 14 for cooling, the transmission motor 6 is started, the output end of the transmission motor 6 drives the threaded conveying roller 12 to rotate, and the cooled furnace slag is driven to one side by the threaded conveying roller 12 until the cooled furnace slag enters the furnace slag pool 13;
s4: the slag enters the cooling cylinder 14, the condenser 10 is started, when the slag and the water are cooled, water vapor is generated, the water vapor is changed into cold water through the condenser 10 and stays in the cooling box 2, the cooling box 2 is connected with the water cooling device 5 through the water outlet pipe 16, and the cooled water enters the cooling cylinder 14 again to cool the slag.
The working principle and the using process of the invention are as follows: the cooling box 2 is pushed to move the device to the lower end of an ash discharge port of a boiler, after boiler ash enters a crushing pool 3, a rolling motor 907 is started, the rolling motor 907 drives a second screw rod 902 to rotate, along with the rotation of the second screw rod 902, two second screw rod nuts 903 push a mounting shaft 904 to move forwards and backwards, a rolling roller 905 rolls the boiler ash, a hinged plate 7 is pushed, the hinged plate 7 is combined with the crushing pool 3, a pressing motor is started, the pressing motor drives a first screw rod 702 to rotate, the first screw rod 702 drives a moving plate 8 to move downwards, two air cylinders 801 are started, the two air cylinders 801 drive the pressing plate 802 to move upwards and downwards to crush the boiler ash, the crushed boiler ash is filtered by a filter plate 4 and then enters a cooling cylinder 14 to be cooled, a conveying motor 6 is started, the output end of the conveying motor 6 drives a thread conveying roller 12 to rotate, the cooled boiler ash is driven to one side by the thread conveying roller 12, until the cooled slag enters a slag pool 13, a condenser 10 is started, steam is generated when the slag and water are cooled, the steam is changed into cold water through the condenser 10 and stays in a cooling tank 2, the cooling tank 2 is connected with a water cooling device 5 through a water outlet pipe 16, the cooled water enters a cooling cylinder 14 again to cool the slag, high-temperature ash slag discharged from a hearth in the device is firstly crushed into small blocks through a grinding and pressing mechanism, and cooling and conveying are facilitated; the crushed ash enters the cooling cylinder 14 again, is fully subjected to heat exchange and cooling with cooling water in the cooling cylinder 14 through the screw conveying roller 12 and then is discharged, and meanwhile, generated steam can enter the cooling cylinder 14 again for secondary utilization.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a natural circulation water cooling system of circulating fluidized bed boiler slag pipe which characterized in that includes:
the cooling device comprises a base (1), wherein a cooling box (2) is fixedly connected to the upper end of the base (1), a cooling cylinder (14) is fixedly connected to the upper end of the cooling box (2), a filter cylinder (11) is fixedly connected in the cooling cylinder (14), a thread conveying roller (12) is rotatably connected between the inner walls of two sides of the cooling cylinder (14), the thread conveying roller (12) is located in the filter cylinder (11), a conveying motor (6) is fixedly connected to one side of the base (1), the output end of the conveying motor (6) is fixed to the side end of the thread conveying roller (12), a condenser (10) and a slag pool (13) are fixedly connected to the lower inner wall of the cooling box (2), a water cooling device (5) is arranged at the side end of the base (1), and a crushing pool (3) is fixedly connected to the surface of the cooling cylinder (14); and
the rolling mechanism is connected with the crushing pool (3) to realize crushing treatment of the slag;
and the pressing mechanism is connected with the crushing pool (3) to realize crushing treatment of the slag.
2. The natural circulation water cooling system of the slag discharge pipe of the circulating fluidized bed boiler according to claim 1, characterized in that a filter plate (4) is fixedly connected between the inner walls of the crushing tank (3).
3. The natural circulation water cooling system of the deslagging pipe of the circulating fluidized bed boiler according to claim 2, wherein the rolling mechanism comprises a mounting block (9), a mounting groove (901), a second lead screw (902), two second lead screw nuts (903), two supporting rods (906), a rolling motor (907), a mounting shaft (904) and a rolling roller (905), the mounting block (9) is fixedly connected to the side wall of the crushing pool (3), the mounting groove (901) is arranged at the side end of the mounting block (9), the second lead screw (902) is rotatably connected between the inner walls of the mounting groove (901), the two second lead screw nuts (903) are both threaded and the circumferential surface of the second lead screw (902), the two supporting rods (906) are respectively and movably hinged at the side ends of the two second lead screw nuts (903), the mounting shaft (904) is and movably hinged at the side ends of the two supporting rods (906), the rolling roller (905) is rotatably connected between the side walls of the mounting shaft (904), the rolling motor (907) is fixedly connected to the side end of the crushing pool (3), and the output end of the rolling motor (907) is fixed to the side end of the second screw rod (902).
4. The natural circulation water cooling system of the slag discharge pipe of the circulating fluidized bed boiler according to claim 3, wherein the pressing mechanism comprises a moving assembly and a pressing assembly, the moving assembly comprises a hinged plate (7), a lifting groove (701), a first screw rod (702), a first screw rod nut (703), a moving plate (8) and a pressing motor, the hinged plate (7) is movably hinged to the side end of the crushing pool (3), the lifting groove (701) is formed in the side end of the hinged plate (7), the pressing motor is fixedly connected to the lower end of the lifting groove (701), the first screw rod (702) is fixedly connected to the output end of the pressing motor, the first screw rod nut (703) is in threaded connection with the circumferential surface of the first screw rod (702), and the moving plate (8) is fixedly connected to the side end of the first screw rod nut (703).
5. The natural circulation water cooling system of the slag discharge pipe of the circulating fluidized bed boiler according to claim 4, wherein the pressing assembly comprises a pressing plate (802) and two air cylinders (801), both the air cylinders (801) are fixedly connected to the lower end of the moving plate (8), and the pressing plate (802) is fixedly connected to the lower ends of the thin rods of the two air cylinders (801).
6. The natural circulation water cooling system of the slag discharge pipe of the circulating fluidized bed boiler according to claim 5, wherein the upper and lower inner walls of the mounting groove (901) are both provided with a limiting groove, the upper and lower ends of the two second lead screw nuts (903) are both fixedly connected with limiting blocks, and the four limiting blocks are respectively connected in the two limiting grooves in a sliding manner.
7. The natural circulation water cooling system of the slag discharge pipe of the circulating fluidized bed boiler according to claim 6, characterized in that a slag outlet (15) is opened at the side end of the slag pool (13), and a discharge door is movably hinged at the side end of the cooling box (2).
8. The natural circulation water cooling system of the slag discharge pipe of the circulating fluidized bed boiler according to claim 7, wherein rectangular grooves are formed in inner walls of two sides of the lifting groove (701), rectangular blocks are fixedly connected to two ends of the first lead screw nut (703), and the two rectangular blocks are respectively connected in the two rectangular grooves in a sliding manner.
9. The natural circulation water cooling system of the slag discharge pipe of the circulating fluidized bed boiler according to claim 8, characterized in that a water outlet pipe (16) is fixedly connected to the side end of the cooling tank (2), and a cover is screwed on the circumferential surface of the water outlet pipe (16).
10. The system and the method for using the same as claimed in claim 9, wherein the system comprises the following steps:
s1: pushing the cooling box (2) to move the device to the lower end of an ash discharge port of the boiler;
s2: after boiler ash of a boiler enters a crushing pool (3), a rolling motor (907) is started, the rolling motor (907) drives a second screw rod (902) to rotate, two second screw rod nuts (903) push a mounting shaft (904) to move forwards and backwards along with the rotation of the second screw rod (902), a rolling roller (905) rolls the boiler ash, a hinged plate (7) is pushed, the hinged plate (7) is combined with the crushing pool (3), a pressing motor is started, the pressing motor drives a first screw rod (702) to rotate, the first screw rod (702) drives a movable plate (8) to move downwards, two air cylinders (801) are started, and the two air cylinders (801) drive a pressing plate (802) to move upwards and downwards to crush the boiler ash;
s3: the crushed furnace dust is filtered by the filter plate (4) and then enters the cooling cylinder (14) for cooling, the transmission motor (6) is started, the output end of the transmission motor (6) drives the threaded transmission roller (12) to rotate, and the cooled furnace slag is driven to one side by the threaded transmission roller (12) until the cooled furnace slag enters the furnace slag pool (13);
s4: the slag enters a cooling cylinder (14), a condenser (10) is started, water vapor is generated when the slag and water are cooled, the water vapor is changed into cold water through the condenser (10) and is left in a cooling box (2), the cooling box (2) is connected with a water cooling device (5) through a water outlet pipe (16), and the cooled water enters the cooling cylinder (14) again to cool the slag.
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| CN209310011U (en) * | 2018-11-06 | 2019-08-27 | 深圳市凯辰科技有限公司 | Special boiler clinker recycler |
| CN209909892U (en) * | 2019-04-24 | 2020-01-07 | 国家能源投资集团有限责任公司 | Slag crusher |
| CN210069833U (en) * | 2019-03-20 | 2020-02-14 | 杭州智兴热电有限公司 | Slag cooler of circulating fluidized bed boiler |
| CN210436367U (en) * | 2019-04-21 | 2020-05-01 | 任晓楠 | Boiler slag treatment device |
| CN212167612U (en) * | 2019-12-16 | 2020-12-18 | 徐州花千树农业发展有限公司 | Integrative device of broken clearance of boiler waste residue |
| CN212456906U (en) * | 2020-06-10 | 2021-02-02 | 杭州富丽达热电有限公司 | Slag cooler |
| CN214060556U (en) * | 2020-12-09 | 2021-08-27 | 山西冶金工程技术有限公司 | Reduced iron shaft furnace blanking sealing bucket-locking device |
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2021
- 2021-12-09 CN CN202111497318.1A patent/CN114263903B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209310011U (en) * | 2018-11-06 | 2019-08-27 | 深圳市凯辰科技有限公司 | Special boiler clinker recycler |
| CN210069833U (en) * | 2019-03-20 | 2020-02-14 | 杭州智兴热电有限公司 | Slag cooler of circulating fluidized bed boiler |
| CN210436367U (en) * | 2019-04-21 | 2020-05-01 | 任晓楠 | Boiler slag treatment device |
| CN209909892U (en) * | 2019-04-24 | 2020-01-07 | 国家能源投资集团有限责任公司 | Slag crusher |
| CN212167612U (en) * | 2019-12-16 | 2020-12-18 | 徐州花千树农业发展有限公司 | Integrative device of broken clearance of boiler waste residue |
| CN212456906U (en) * | 2020-06-10 | 2021-02-02 | 杭州富丽达热电有限公司 | Slag cooler |
| CN214060556U (en) * | 2020-12-09 | 2021-08-27 | 山西冶金工程技术有限公司 | Reduced iron shaft furnace blanking sealing bucket-locking device |
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| CN114263903B (en) | 2024-05-24 |
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