CN114263903B - Natural circulation water cooling system of circulating fluidized bed boiler slag discharging pipe - Google Patents
Natural circulation water cooling system of circulating fluidized bed boiler slag discharging pipe Download PDFInfo
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- CN114263903B CN114263903B CN202111497318.1A CN202111497318A CN114263903B CN 114263903 B CN114263903 B CN 114263903B CN 202111497318 A CN202111497318 A CN 202111497318A CN 114263903 B CN114263903 B CN 114263903B
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- 238000001816 cooling Methods 0.000 title claims abstract description 136
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 238000007599 discharging Methods 0.000 title claims abstract description 18
- 239000010884 boiler slag Substances 0.000 title claims abstract description 16
- 239000002893 slag Substances 0.000 claims abstract description 59
- 238000003825 pressing Methods 0.000 claims abstract description 49
- 238000005096 rolling process Methods 0.000 claims abstract description 43
- 239000002956 ash Substances 0.000 claims abstract description 20
- 239000000428 dust Substances 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 239000000498 cooling water Substances 0.000 abstract description 7
- 238000002485 combustion reaction Methods 0.000 description 5
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 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
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000004058 oil shale Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
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- Crushing And Grinding (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention provides a natural circulation water cooling system of a circulating fluidized bed boiler slag discharging pipe, 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 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 rotationally connected between the inner walls of the 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, and high-temperature ash discharged from a hearth in the device is crushed into small blocks through a rolling and pressing mechanism at first, so that the cooling and conveying are convenient; the broken ash slag enters the cooling cylinder again, is fully heat-exchanged and cooled by the screw thread conveying roller and the cooling water in the cooling cylinder, and is discharged, and meanwhile, the generated water vapor 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 circulating water cooling system of a slag discharging pipe of a circulating fluidized bed boiler.
Background
The circulating fluidized bed boiler adopts clean coal combustion technology with highest industrialization degree. The circulating fluidized bed boiler adopts fluidized combustion, and the main structure comprises a combustion chamber (comprising a dense-phase zone and a dilute-phase zone) and a circulating return furnace (comprising a high-temperature gas-solid separator and a return system). The biggest difference with bubbling fluidized bed combustion technology is that the operation wind speed is high, heterogeneous reaction processes such as combustion and desulfurization are enhanced, the boiler capacity can be expanded to a large capacity (600 MW or more grade) acceptable by the electric industry, the basic problems such as heat, mechanics, materialization and the like and engineering problems such as expansion, abrasion and overtemperature and the like of the circulating fluidized bed boiler are well solved, and the circulating fluidized bed boiler is an advanced technology for energy utilization of flame-retardant solid fuels (such as coal gangue, oil shale, municipal refuse, silt and other wastes).
The boiler can produce high-temperature slag in the use, and high-temperature slag can not directly outwards discharge, discharges after the cooling is required.
Disclosure of Invention
The invention aims to provide a natural circulating water cooling system of a circulating fluidized bed boiler slag discharging pipe, which aims to solve the problems that high-temperature slag can not be directly discharged outwards and is required to be discharged after cooling in the use process of a boiler in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
A natural circulation water cooling system of a circulating fluidized bed boiler slag discharging pipe, comprising:
The 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 rotationally connected between the inner walls of the two sides of the cooling cylinder and 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 rolling mechanism is connected with the crushing pool to realize crushing treatment of slag;
the pressing mechanism is connected with the crushing pool to realize the 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 tanks.
As a preferable scheme of the invention, the rolling mechanism comprises a mounting block, a mounting groove, a second screw rod, two second screw nuts, two supporting rods, a rolling motor, a mounting shaft and a rolling roller, wherein the mounting block is fixedly connected with the side wall of the crushing tank, the mounting groove is formed at the side end of the mounting block, the second screw rod is rotationally connected between the inner walls of the mounting groove, the two second screw nuts are both threaded with the circumferential surface of the second screw rod, the two supporting rods are respectively and movably hinged with the side ends of the two second screw nuts, the mounting shaft is movably hinged with the side ends of the two supporting rods, the rolling roller is rotationally connected between the side walls of the mounting shaft, the rolling motor is fixedly connected with the side end of the crushing tank, and the output end of the rolling motor is fixedly connected with the side end of the second screw rod.
As a preferable scheme of the invention, the pressing mechanism comprises a moving assembly and a pressing assembly, wherein 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 scheme of the invention, the pressing assembly comprises a pressing plate and two air cylinders, wherein the two air cylinders are fixedly connected to the lower ends of the movable plate, and the pressing plate is fixedly connected to the lower ends of the thin rods of the two air cylinders.
As a preferable scheme of the invention, the upper and lower inner walls of the mounting groove are provided with limiting grooves, the upper and lower ends of the two second screw nuts are fixedly connected with limiting blocks, and the four limiting blocks are respectively and slidably connected in the two limiting grooves.
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 two sides of the lifting groove, rectangular blocks are fixedly connected to two ends of the first screw nut, and the two rectangular blocks are respectively and slidably connected to the two rectangular grooves.
As a preferable scheme of the invention, the side end of the cooling box is fixedly connected with a water outlet pipe, and the circumferential surface of the water outlet pipe is connected with a cover in a threaded manner.
As a preferred embodiment of the present invention,
A natural circulation water cooling system of a circulating fluidized bed boiler slag discharging pipe 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 furnace dust of the boiler enters the crushing pool, starting a rolling motor, driving a second screw rod to rotate by the rolling motor, driving the mounting shaft to move forwards and backwards along with the rotation of the second screw rod, rolling the furnace dust by a rolling roller, pushing a hinged plate, combining the hinged plate with the crushing pool, starting a pressing motor, driving a first screw rod to rotate by the pressing motor, driving a moving plate to move downwards, and starting two air cylinders, wherein the two air cylinders drive the pressing plate to move up and down to smash the furnace dust;
S3: the crushed furnace dust is filtered by the filter plate and then enters the cooling cylinder to be cooled, the conveying motor is started, the output end of the conveying motor drives the screw thread conveying roller to rotate, and the screw thread conveying roller drives the cooled furnace slag to one side 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 water are cooled, water vapor is generated, the water vapor is changed into cold water through the condenser and is remained in the cooling box, the cooling box is connected with the water cooling device through the water outlet pipe, and the cooled water reenters the cooling cylinder to cool the slag.
Compared with the prior art, the invention has the beneficial effects that:
1. After the furnace dust of boiler gets into in this scheme in the broken pond, start and roll the motor, roll the motor and drive the second lead screw and rotate, along with the rotation of second lead screw, two second lead screw nuts promote the installation axial and reciprocate forward and backward, rolls the roller and rolls the furnace dust, and this device can carry out broken processing to the slag, prevents that the too big cooling box that gets into of slag from influencing the cooling effect.
2. The hinged plate is pushed in this scheme, and the hinged plate merges with broken pond, starts to press the motor, presses the motor to drive first lead screw and rotates, and first lead screw drives the movable plate and moves down, starts two cylinders, and two cylinders drive to press the clamp plate and reciprocate and smash garrulous operation to the ashes, and this device can improve the broken degree of ashes.
3. In this scheme get into cooling cylinder after broken ashes are filtered by the filter and cool off, start the conveying motor, conveying motor's output drives screw thread conveying roller and rotates, screw thread conveying roller drives cooling back slag to one side, in the slag pond is got into to the slag after the cooling, this device can play the conveying effect to the slag, conveniently carries out after cooling in cooling cylinder.
4. In this scheme slag got into the cooling cylinder, when starting the condenser, slag and water cooled off, produced vapor, vapor became cold water through the condenser and stays in the cooling tank, and the cooling tank passes through outlet pipe and water cooling plant and connects, and the refrigerated water reentry cooling cylinder is interior to cool off the slag, and this device can realize the cyclic utilization of water resource, has reduced the waste of water resource.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain 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 in FIG. 4;
fig. 7 is a third perspective view of the present invention.
In the figure: 1. a base; 2. a cooling box; 3. a crushing pool; 4. a filter plate; 5. a water cooling device; 6. a conveying motor; 7. a hinged plate; 701. a lifting groove; 702. a first screw rod; 703. a first lead screw nut; 8. a moving plate; 801. a cylinder; 802. pressing the plate; 9. a mounting block; 901. a mounting groove; 902. a second screw rod; 903. a second lead screw nut; 904. a mounting shaft; 905. a roller; 906. a support rod; 907. a rolling motor; 10. a condenser; 11. a filter cartridge; 12. a screw thread conveying roller; 13. a slag pool; 14. a cooling cylinder; 15. a slag outlet; 16. and a water outlet pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-7, the present invention provides the following technical solutions:
A natural circulation water cooling system of a circulating fluidized bed boiler slag discharging pipe, comprising:
The 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 the 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 the crushing treatment of slag;
the pressing mechanism is connected with the crushing pool 3 to realize the crushing treatment of the slag.
In the specific embodiment of the invention, the cooling box 2 is pushed, the device is moved to the lower end of the ash discharge port of the boiler, after the ash of the boiler enters the crushing tank 3, the rolling motor 907 is started, the rolling motor 907 drives the second screw rod 902 to rotate, along with the rotation of the second screw rod 902, the two second screw nuts 903 push the mounting shaft 904 to move forwards and backwards, the rolling roller 905 rolls the ash, the hinged plate 7 is pushed, the hinged plate 7 is combined with the crushing tank 3, the pressing motor is started, the pressing motor drives the first screw rod 702 to rotate, the first screw rod 702 drives the movable plate 8 to move downwards, the two cylinders 801 are started, the two cylinders 801 drive the pressing plate 802 to move up and down to smash the ash, the crushed 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 cooled slag is driven to one side until the cooled slag enters the slag tank 13, the condenser 10 is started, when the slag and water is cooled, the water is generated, the condenser 10 is cooled, the water is left in the cooling tank 2 through the cooling tank and the cooling plate is connected with the cooling device through the cooling plate 16, the cooling water vapor is discharged from the cooling box, the cooling device through the cooling water cooling device, and the cooling vapor is cooled down in the cooling tank, and the cooling device is cooled down by the cooling water vapor is discharged from the cooling tank, and is cooled down by the cooling device, and is convenient to be discharged through the cooling vapor and the cooling device, and the cooling device; the broken ash slag enters the cooling cylinder 14 again, is fully heat-exchanged and cooled by the screw conveying roller 12 and the cooling water in the cooling cylinder 14, and is discharged, and meanwhile, the generated water vapor can enter the cooling cylinder 14 again for secondary utilization, and the following needs to be explained: the pressing motor, the conveying motor 6, the cylinder 801, the rolling motor 907 and the condenser 10 of which model is specifically used are selected by those skilled in the art, and the pressing motor, the conveying motor 6, the cylinder 801, the rolling motor 907 and the condenser 10 all belong to the prior art, and the scheme is not repeated.
Referring to fig. 1 specifically, a filter plate 4 is fixedly connected between inner walls of the crushing tank 3.
In this embodiment: the filter plate 4 may filter the oversized slag.
Referring to fig. 1 specifically, the rolling mechanism includes a mounting block 9, a mounting groove 901, a second screw rod 902, two second screw nuts 903, two struts 906, a rolling motor 907, a mounting shaft 904 and a rolling roller 905, the mounting block 9 is fixedly connected to a side wall of the crushing tank 3, the mounting groove 901 is opened at a side end of the mounting block 9, the second screw rod 902 is rotationally connected between inner walls of the mounting groove 901, the two second screw nuts 903 are both threaded with a circumferential surface of the second screw rod 902, the two struts 906 are respectively movably hinged to side ends of the two second screw nuts 903, the mounting shaft 904 is movably hinged to side ends of the two struts 906, the rolling roller 905 is rotationally connected between side walls of the mounting shaft 904, the rolling motor 907 is fixedly connected to the side end of the crushing tank 3, and an output end of the rolling motor 907 is fixedly connected with the side end of the second screw rod 902.
In this embodiment: after the furnace dust of boiler gets into crushing pond 3 in, start rolling motor 907, roll motor 907 drives second lead screw 902 and rotates, along with the rotation of second lead screw 902, and two second lead screw nuts 903 promote installation axle 904 and move forward and backward, rolls roller 905 and rolls the furnace dust, and this device can carry out crushing treatment to the slag, prevents that the too big cooling tank 2 of entering of slag from influencing the cooling effect.
Referring to fig. 1 specifically, the pressing mechanism includes a moving assembly and a pressing assembly, the moving assembly includes a hinge 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 hinge plate 7 is movably hinged at a side end of the crushing pool 3, the lifting groove 701 is opened at a side end of the hinge plate 7, the pressing motor is fixedly connected at a lower end of the lifting groove 701, the first screw rod 702 is fixedly connected at 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 at 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 plate 802 into the crushing pool 3.
Referring to fig. 1 specifically, the pressing assembly includes a pressing plate 802 and two cylinders 801, wherein the two cylinders 801 are fixedly connected to the lower ends 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, and the two cylinders 801 drive the pressing plate 802 to move up and down to smash the furnace dust, so that the crushing degree of the furnace dust can be improved.
Referring to fig. 1 specifically, the upper and lower inner walls of the mounting groove 901 are provided with limiting grooves, the upper and lower ends of the two second screw nuts 903 are fixedly connected with limiting blocks, and the four limiting blocks are respectively slidably connected in the two limiting grooves.
In this embodiment: the four limiting blocks are respectively connected in the two limiting grooves in a sliding mode, the positions of the second screw nuts 903 can be limited, and the second screw nuts 903 are prevented from rotating along with the second screw 902, so that the device is more stable.
Referring to fig. 1 specifically, a slag hole 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 tank 2.
In this embodiment: the tap hole 15 facilitates the discharge of cooled slag from the slag bath 13.
Referring to fig. 1 specifically, 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 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 way, so that the position of the first screw nut 703 can be limited, and the device is more stable.
Referring to fig. 1 specifically, a water outlet pipe 16 is fixedly connected to a side end of the cooling tank 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 into the cooling tank 2.
A natural circulation water cooling system of a circulating fluidized bed boiler slag discharging pipe comprises the following steps:
S1: pushing the cooling box 2 to move the device to the lower end of the ash discharge port of the boiler;
S2: after the furnace dust of the boiler enters the 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 furnace dust, 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, and the two air cylinders 801 drive a pressing plate 802 to move upwards and downwards to smash the furnace dust;
S3: the crushed furnace dust is filtered by the filter plate 4 and enters the cooling cylinder 14 for cooling, the conveying motor 6 is started, the output end of the conveying motor 6 drives the screw thread conveying roller 12 to rotate, and the screw thread conveying roller 12 drives the cooled furnace dust to one side until the cooled furnace dust enters the furnace dust pond 13;
s4: when the slag enters the cooling cylinder 14 and the condenser 10 is started, water vapor is generated and is changed into cold water through the condenser 10 to be left 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 reenters the cooling cylinder 14 to cool the slag.
The working principle and the using flow of the invention are as follows: pushing the cooling box 2, moving the device to the lower end of a boiler ash discharge port, after the boiler ash enters the crushing tank 3, starting a rolling motor 907, driving a second screw rod 902 to rotate by the rolling motor 907, along with the rotation of the second screw rod 902, driving a mounting shaft 904 to move forwards and backwards by two second screw nuts 903, rolling the furnace ash by a rolling roller 905, pushing a hinged plate 7, merging the hinged plate 7 with the crushing tank 3, starting a pressing motor, driving a first screw rod 702 to rotate by the pressing motor, driving a moving plate 8 to move downwards by the first screw rod 702, starting two cylinders 801, driving the pressing plate 802 to move upwards and downwards to crush the furnace ash by the two cylinders 801, filtering the crushed furnace ash by a filter plate 4, then entering a cooling cylinder 14 for cooling, starting a conveying motor 6, driving a threaded conveying roller 12 to rotate, driving cooled furnace slag to one side by the threaded conveying roller 12 until the cooled furnace slag enters a furnace slag tank 13, starting a condenser 10, generating water vapor when the furnace slag and water are cooled by the condenser 10, leaving the cooling box 2, and cooling the furnace slag is discharged from the cooling box through a cooling device 16 and a cooling water cooling device through a cooling pipe 5, and is connected with a cooling device again to a cooling device through a cooling device, so that the furnace slag can be conveniently crushed by the cooling device; the broken ash slag enters the cooling cylinder 14 again, is fully heat-exchanged and cooled by the screw conveying roller 12 and the cooling water in the cooling cylinder 14, and is discharged, and meanwhile, the generated water vapor can enter the cooling cylinder 14 again for secondary utilization.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A natural circulation water cooling system of a circulating fluidized bed boiler slag discharging pipe, comprising:
The 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 rotationally connected between the inner walls of the 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 slag;
the pressing mechanism is connected with the crushing pool (3) to realize crushing treatment of slag;
a filter plate (4) is fixedly connected between the inner walls of the crushing tanks (3);
The rolling mechanism comprises a mounting block (9), a mounting groove (901), a second screw rod (902), two second screw rod nuts (903), two supporting rods (906), a rolling motor (907), a mounting shaft (904) and a rolling roller (905), wherein the mounting block (9) is fixedly connected to the side wall of the crushing pool (3), the mounting groove (901) is formed in the side end of the mounting block (9), the second screw rod (902) is rotationally connected between the inner walls of the mounting groove (901), the two second screw rod nuts (903) are threaded on the circumferential surface of the second screw rod (902), the two supporting rods (906) are respectively and movably hinged to the side ends of the two second screw rod nuts (903), the mounting shaft (904) is movably hinged to the side ends of the two supporting rods (906), the rolling roller (905) is rotationally connected between the side wall 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 fixedly connected with the side end of the second screw rod (907).
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).
2. The natural circulation water cooling system of the circulating fluidized bed boiler slag discharging pipe according to claim 1, wherein the pressing component comprises a pressing plate (802) and two air cylinders (801), the two air cylinders (801) are fixedly connected to the lower end of the movable plate (8), and the pressing plate (802) is fixedly connected to the lower ends of the thin rods of the two air cylinders (801).
3. The natural circulation water cooling system of the circulating fluidized bed boiler slag discharging pipe according to claim 2, wherein the upper and lower inner walls of the installation groove (901) are provided with limit grooves, the upper and lower ends of the two second screw nuts (903) are fixedly connected with limit blocks, and the four limit blocks are respectively and slidably connected in the two limit grooves.
4. A natural circulation water cooling system of a circulating fluidized bed boiler slag discharging pipe according to claim 3, characterized in that a slag outlet (15) is arranged at the side end of the slag pool (13), and a discharging door is movably hinged at the side end of the cooling box (2).
5. The natural circulation water cooling system of the circulating fluidized bed boiler slag discharging pipe according to claim 4, 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 screw nut (703), and the two rectangular blocks are respectively and slidably connected to the two rectangular grooves.
6. The natural circulation water cooling system of the circulating fluidized bed boiler slag discharging pipe according to claim 5, wherein a water outlet pipe (16) is fixedly connected to the side end of the cooling tank (2), and a cover is connected to the circumferential surface of the water outlet pipe (16) through threads.
7. A method for using a natural circulation water cooling system of a circulating fluidized bed boiler slag discharging pipe, characterized in that the natural circulation water cooling system of the circulating fluidized bed boiler slag discharging pipe according to claim 6 is used, comprising the following steps:
S1: pushing the cooling box (2) to move the device to the lower end of the ash discharge port of the boiler;
S2: after the furnace dust of the boiler enters the 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 furnace dust, 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 cylinders (801) are started, and the two cylinders (801) drive a pressing plate (802) to move up and down to smash the furnace dust;
S3: the crushed furnace dust is filtered by the filter plate (4) and then enters the cooling cylinder (14) for cooling, the conveying motor (6) is started, the output end of the conveying motor (6) drives the screw thread conveying roller (12) to rotate, and the screw thread conveying roller (12) drives the cooled furnace dust to one side until the cooled furnace dust enters the furnace dust pool (13);
S4: the slag enters the cooling cylinder (14), 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 is remained 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 reenters the cooling cylinder (14) to cool the slag.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2021
- 2021-12-09 CN CN202111497318.1A patent/CN114263903B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| CN114263903A (en) | 2022-04-01 |
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