CN110657446A - Mechanical type vibration ash removal device for heating surface of convection bank of garbage boiler - Google Patents
Mechanical type vibration ash removal device for heating surface of convection bank of garbage boiler Download PDFInfo
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- CN110657446A CN110657446A CN201910968474.8A CN201910968474A CN110657446A CN 110657446 A CN110657446 A CN 110657446A CN 201910968474 A CN201910968474 A CN 201910968474A CN 110657446 A CN110657446 A CN 110657446A
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- rapping
- transmission
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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
- F23J3/00—Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
- F23J3/02—Cleaning furnace tubes; Cleaning flues or chimneys
Abstract
A mechanical type rapping dust removal device for a convection bank heating surface of a garbage boiler relates to the field of garbage boilers. The invention solves the problems that the soot blowing device for the existing garbage boiler has serious soot accumulation on the heating surface of the garbage boiler due to non-ideal soot blowing effect, and the use efficiency and the safe use of the heating surface of the garbage boiler are seriously influenced. The invention comprises a rapping transmission device and a rapping guide device, wherein the rapping transmission device arranged outside a furnace comprises two transmission supporting plates, three pairs of supporting longitudinal beams, four transmission supporting devices, four rapping transmission mechanisms, a plurality of pairs of first rapping assemblies, a plurality of pairs of second rapping assemblies and a plurality of universal couplings; the rapping guide device arranged in the furnace comprises a plurality of pairs of supporting beams and a plurality of pairs of guide assemblies, and each guide unit comprises a plurality of brackets, a plurality of rapping rods, a plurality of rapping covers, a plurality of pairs of guide ear plates, a plurality of pairs of guide plates and a plurality of pairs of plectrums. The invention is used for cleaning dust accumulated on the heating surface of the convection bank of the garbage boiler.
Description
Technical Field
The invention relates to the field of garbage boilers, in particular to a mechanical type rapping dust removal device for a heating surface of a convection tube bundle of a garbage boiler.
Background
At present, the problem of ash accumulation on a heating surface is one of the main limiting factors of high parameterization of a garbage boiler, and the currently used soot blowing modes mainly comprise two modes, namely a shock wave soot blower (pulse soot blower) and a steam soot blower. In the actual use process, due to the factors of large ash amount and high viscosity of the waste boiler, the waste boiler has the problem of non-ideal soot blowing effect, so that the phenomenon of ash accumulation on the heating surface is serious, and the use efficiency and the safe use of the heating surface of the waste boiler are seriously influenced.
In conclusion, the existing soot blowing device for the garbage boiler has the problems that the soot blowing effect is not ideal, the phenomenon of soot accumulation on the heating surface of the garbage boiler is serious, and the use efficiency of the garbage boiler and the safe use of the heating surface are seriously influenced.
Disclosure of Invention
The invention provides a mechanical rapping dust cleaning device for a convection bank heating surface of a garbage boiler, aiming at solving the problems that the garbage boiler has serious heating surface dust accumulation phenomenon due to non-ideal dust blowing effect, and the use efficiency and the safe use of the heating surface of the garbage boiler are seriously influenced.
The technical scheme of the invention is as follows:
a mechanical rapping dust-cleaning device for the heating surface of a convection tube bundle of a garbage boiler comprises a rapping transmission device and a rapping guide device, wherein the rapping transmission device is arranged outside the boiler, and the rapping guide device is arranged in the boiler;
the rapping transmission device comprises two transmission supporting plates 1, three pairs of supporting longitudinal beams 2, four transmission supporting devices 3, four rapping transmission mechanisms 4, a plurality of pairs of first rapping assemblies 5, a plurality of pairs of second rapping assemblies 6 and a plurality of universal couplings 7, each pair of first rapping assemblies 5 comprises two first rapping units 5-1, each pair of second rapping assemblies 6 comprises two second rapping units 6-1, the boiler is of a cubic structure, the two sides of the boiler are oppositely provided with three pairs of supporting longitudinal beams 2 along the length direction of the boiler, the two transmission supporting plates 1 are horizontally arranged on the boiler walls at the two sides of the boiler, the transmission supporting plates 1 are fixedly arranged on the supporting longitudinal beams 2, two ends of each transmission supporting plate 1 are respectively provided with one transmission supporting device 3, four rapping transmission mechanisms 4 are respectively arranged on the four transmission supporting devices 3, a plurality of first rapping units are sequentially and coaxially arranged between the two rapping transmission mechanisms 4 at each side of the boiler from front to back along the length direction of the boiler 5-1 and a plurality of second rapping units 6-1, a universal coupling 7 is arranged between two adjacent first rapping units 5-1, a universal coupling 7 is arranged between two adjacent second rapping units 6-1, the first rapping unit 5-1 close to one side of the rapping transmission mechanism 4 is connected with the power output end of the corresponding rapping transmission mechanism 4, the second rapping unit 6-1 close to one side of the rapping transmission mechanism 4 is connected with the power output end of the corresponding rapping transmission mechanism 4,
each first rapping unit 5-1 comprises a transmission shaft 5-1-1, two rapping supporting devices 5-1-2 and a plurality of rapping hammer assemblies 5-1-3, the transmission shaft 5-1-1 is horizontally arranged along the length direction of the boiler, two ends of the transmission shaft 5-1-1 are respectively provided with one rapping supporting device 5-1-2, the shaft end of the transmission shaft 5-1-1 is rotatably connected with the rapping supporting device 5-1-2, the outer circumference of the transmission shaft 5-1-1 is uniformly provided with the plurality of rapping hammer assemblies 5-1-3 along the length direction, the second rapping unit 6-1 has the same structure as the first rapping unit 5-1,
the rapping guide device comprises a plurality of pairs of supporting beams 8 and a plurality of pairs of guide assemblies 9, each pair of guide assemblies 9 comprises two guide units 9-1, the plurality of pairs of supporting beams 8 are horizontally arranged in the furnace side by side along the length direction of the boiler, the plurality of pairs of supporting beams 8 are respectively arranged corresponding to the plurality of pairs of first rapping assemblies 5 and the plurality of pairs of second rapping assemblies 6 of the rapping transmission device, both ends of each pair of supporting beams 8 are respectively inserted in the furnace walls at both sides of the boiler, two guide units 9-1 are arranged between each pair of supporting beams 8,
each guide unit 9-1 comprises a plurality of brackets 9-1-1, a plurality of rapping rods 9-1-2, a plurality of rapping covers 9-1-3, a plurality of pairs of guide lugs 9-1-4, a plurality of pairs of guide lugs 9-1-5 and a plurality of pairs of poking sheets 9-1-6, a plurality of brackets 9-1-1 are uniformly distributed between the pairs of support beams 8 along the length direction of the support beams 8, one end of each bracket 9-1-1 is vertically connected with the support beam 8 at one side through a pair of guide lugs 9-1-4, the other end of each bracket 9-1-1 is vertically connected with the support beam 8 at the other side through a pair of guide lugs 9-1-4, a plurality of rapping rods 9-1-2 are uniformly distributed on the upper parts of the plurality of brackets 9-1-1 along the length direction of the brackets 9-1-1, a pair of guide plates 9-1-5 is arranged between each rapping rod 9-1-2 and the corresponding bracket 9-1-1, the guide plates 9-1-5 are fixed on the bracket 9-1-1, the rapping rods 9-1-2 are slidably connected with the bracket 9-1-1 through the guide plates 9-1-5, a plurality of rapping holes matched with the rapping rods 9-1-2 are arranged on furnace wall guard plates at two sides of the boiler, a rapping cover 9-1-3 is arranged in each rapping hole, the large end of each rapping rod 9-1-2 is inserted into the rapping cover 9-1-3 on the furnace wall guard plate at one corresponding side, the rapping rods 9-1-2 are respectively in one-to-one correspondence with the heat exchange tubes of the convection tube bundle in the boiler, the lower ends of the heat exchange tubes 12 of the convection bank in the furnace are fixedly connected with the corresponding rapping rods 9-1-2 through the plectrum 9-1-6.
Furthermore, each rapping transmission mechanism 4 comprises a motor 4-1, a speed reducer 4-2 and a chain transmission mechanism 4-3, the motor 4-1, the speed reducer 4-2 and the chain transmission mechanism 4-3 are all arranged on the corresponding transmission supporting device 3, the output end of the motor 4-1 is connected with the speed reducer 4-2, the output end of the speed reducer 4-2 is connected with the chain transmission mechanism 4-3, and the output end of the chain transmission mechanism 4-3 is connected with the corresponding transmission shaft 5-1-1.
Further, the chain transmission mechanism 4-3 comprises a driving chain wheel 4-3-1, a driven chain wheel 4-3-2, a chain 4-3-3, a first connecting key 4-3-4 and a second connecting key 4-3-5, the driving chain wheel 4-3-1 is connected with an output shaft of the speed reducer 4-2 through the first connecting key 4-3-4, the driven chain wheel 4-3-2 is connected with the end part of the corresponding transmission shaft 5-1-1 through the second connecting key 4-3-5, and the driving chain wheel 4-3-1 is connected with the driven chain wheel 4-3-2 through the chain 4-3-3.
Furthermore, each rapping support device 5-1-2 comprises a rapping bearing seat 5-1-2-1 and a rapping shaft support 5-1-2-2, the rapping shaft support 5-1-2-2 is vertically arranged at the upper part of the transmission support plate 1, the lower part of the rapping shaft support 5-1-2-2 is connected with the transmission support plate 1, the upper part of the rapping shaft support 5-1-2-2 is provided with the rapping bearing seat 5-1-2-1, and the rapping bearing seat 5-1-2-1 is rotatably matched with the shaft end of the transmission shaft 5-1-1.
Furthermore, each rapping hammer component 5-1-3 comprises a pipe clamp 5-1-3-1 and a hammer 5-1-3-2, the pipe clamp 5-1-3-1 is sleeved on the transmission shaft 5-1-1, the hammer 5-1-3-2 is rotatably connected with the pipe clamp 5-1-3-1, the pipe clamp 5-1-3-1 comprises an upper bracket 5-1-3-1-1 and a lower bracket 5-1-3-1-2, the lower bracket 5-1-3-1-2 comprises a clamping plate 5-1-3-1-2-1 and a transmission lug plate 5-1-3-1-2-2, and the hammer 5-1-3-2 comprises a hammer handle 5-1-3-2-1 and a hammer 5-1-3-2-2, an upper bracket 5-1-3-1-1 and a splint 5-1-3-1-2-1 are connected with a transmission shaft 5-1-1 through bolts, a transmission lug plate 5-1-3-1-2-2 is arranged at the lower part of the splint 5-1-3-1-2-1, the upper part of a hammer handle 5-1-3-2-1 is rotatably connected with the transmission lug plate 5-1-3-1-2-2 through bolts, and the lower part of the hammer handle 5-1-3-2-1 is provided with the hammer 5-1-3-2-2.
Furthermore, the plurality of rapping hammer assemblies 5-1-3 are uniformly distributed on the outer circumference of the transmission shaft 5-1-1 along the circumferential direction.
Furthermore, the rapping transmission device also comprises a plurality of rapping sealing devices 10, the number of the rapping sealing devices 10 is consistent with that of the rapping rods 9-1-2, and the rapping sealing devices 10 are arranged between the rapping rods 9-1-2 and the rapping hammer assemblies 5-1-3.
Furthermore, each rapping sealing device 10 comprises a first flange 10-1, a sealing bearing seat 10-2, a second flange 10-3, a rapping shaft 10-4 and a rapping shaft cover 10-5, wherein the first flange 10-1 and the second flange 10-3 are coaxially connected to two ends of the sealing bearing seat 10-2, the first flange 10-1 is connected with a guard plate of a furnace wall, one end of the rapping shaft 10-4 penetrates through the sealing bearing seat 10-2 and extends into the rapping cover 9-1-3, the other end of the rapping shaft 10-4 is provided with the rapping shaft cover 10-5, and the rapping shaft 10-4 and the rapping rod 9-1-2 are correspondingly arranged.
Further, the rapping rods 9-1-2, the hammers 5-1-3-2 and the rapping shafts 10-4 on each side of the boiler are in one-to-one correspondence, respectively.
Furthermore, the inner part of the guard plate of the furnace wall at each side of the boiler is a closed cavity structure, and a heat insulation layer 11 is arranged in the cavity structure.
Compared with the prior art, the invention has the following effects:
1. the mechanical type vibration ash removal device is a simple-structure and high-efficiency ash removal device applied to the garbage boiler, can greatly improve the efficiency of the garbage boiler, overcomes the defects of the existing ash removal technology, and has an ideal ash removal effect on the intensive convection tube bundle of the garbage boiler. The mechanical vibration ash removal device is arranged at the bottom of the boiler and plays an ash removal effect through a vibration pipe. The mechanical rapping dust-cleaning device can adjust the rotating speed through the speed reducer according to the requirement to adjust the beating frequency, and can adjust the rapping strength through adjusting the weight of the rapping hammer unit to achieve the ideal dust-cleaning effect.
Drawings
Fig. 1 is a front view of a rapping transmission device in accordance with the present invention;
fig. 2 is a top view of the rapping transmission device of the present invention;
fig. 3 is a schematic view of the connection of the rapping transmission mechanism of the present invention to a first rapping unit;
FIG. 4 is a front view of the rapping hammer assembly of the present invention;
FIG. 5 is a side view of the rapping hammer assembly of the present invention;
fig. 6 is a front view of a rapping guide device in accordance with the present invention;
fig. 7 is a top view of the rapping guide device of the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 6 at A;
FIG. 9 is an enlarged view of a portion of FIG. 7 at B;
FIG. 10 is a schematic structural view of the chain drive mechanism of the present invention;
FIG. 11 is a top plan view of the rapping bar and rapping shaft of the present invention in their operational state;
FIG. 12 is a front view of the rapping bar and the rapping shaft of the present invention in their operating states;
FIG. 13 is a view of the operational state of the rapping sealing device in accordance with the present invention together with the rapping bar;
FIG. 14 is a state diagram (one) of the operation of the rapping hammer assembly of the present invention;
FIG. 15 is a second state view of the rapping hammer assembly of the present invention;
FIG. 16 is a state view (III) of the operation of the rapping hammer assembly of the present invention;
FIG. 17 is a state view (IV) of the operation of the rapping hammer assembly of the present invention;
fig. 18 is an operational state diagram (five) of the rapping hammer assembly of the present invention;
FIG. 19 is a state diagram (VI) of the operation of the rapping hammer assembly of the present invention;
fig. 20 is a state view (seven) of the operation of the rapping hammer assembly of the present invention;
fig. 21 is an operating state diagram (eight) of the rapping hammer assembly of the present invention.
Detailed Description
The first embodiment is as follows: the present embodiment is described with reference to fig. 1 to 9 and 12, and the garbage boiler convection tube bundle heating surface mechanical rapping dust-cleaning device of the present embodiment comprises a rapping transmission device and a rapping guide device, wherein the rapping transmission device is arranged outside the furnace, and the rapping guide device is arranged in the furnace;
the rapping transmission device comprises two transmission supporting plates 1, three pairs of supporting longitudinal beams 2, four transmission supporting devices 3, four rapping transmission mechanisms 4, a plurality of pairs of first rapping assemblies 5, a plurality of pairs of second rapping assemblies 6 and a plurality of universal couplings 7, each pair of first rapping assemblies 5 comprises two first rapping units 5-1, each pair of second rapping assemblies 6 comprises two second rapping units 6-1, the boiler is of a cubic structure, the two sides of the boiler are oppositely provided with three pairs of supporting longitudinal beams 2 along the length direction of the boiler, the two transmission supporting plates 1 are horizontally arranged on the boiler walls at the two sides of the boiler, the transmission supporting plates 1 are fixedly arranged on the supporting longitudinal beams 2, two ends of each transmission supporting plate 1 are respectively provided with one transmission supporting device 3, four rapping transmission mechanisms 4 are respectively arranged on the four transmission supporting devices 3, a plurality of first rapping units are sequentially and coaxially arranged between the two rapping transmission mechanisms 4 at each side of the boiler from front to back along the length direction of the boiler 5-1 and a plurality of second rapping units 6-1, a universal coupling 7 is arranged between two adjacent first rapping units 5-1, a universal coupling 7 is arranged between two adjacent second rapping units 6-1, the first rapping unit 5-1 close to one side of the rapping transmission mechanism 4 is connected with the power output end of the corresponding rapping transmission mechanism 4, the second rapping unit 6-1 close to one side of the rapping transmission mechanism 4 is connected with the power output end of the corresponding rapping transmission mechanism 4,
each first rapping unit 5-1 comprises a transmission shaft 5-1-1, two rapping supporting devices 5-1-2 and a plurality of rapping hammer assemblies 5-1-3, the transmission shaft 5-1-1 is horizontally arranged along the length direction of the boiler, two ends of the transmission shaft 5-1-1 are respectively provided with one rapping supporting device 5-1-2, the shaft end of the transmission shaft 5-1-1 is rotatably connected with the rapping supporting device 5-1-2, the outer circumference of the transmission shaft 5-1-1 is uniformly provided with the plurality of rapping hammer assemblies 5-1-3 along the length direction, the second rapping unit 6-1 has the same structure as the first rapping unit 5-1,
the rapping guide device comprises a plurality of pairs of supporting beams 8 and a plurality of pairs of guide assemblies 9, each pair of guide assemblies 9 comprises two guide units 9-1, the plurality of pairs of supporting beams 8 are horizontally arranged in the furnace side by side along the length direction of the boiler, the plurality of pairs of supporting beams 8 are respectively arranged corresponding to the plurality of pairs of first rapping assemblies 5 and the plurality of pairs of second rapping assemblies 6 of the rapping transmission device, both ends of each pair of supporting beams 8 are respectively inserted in the furnace walls at both sides of the boiler, two guide units 9-1 are arranged between each pair of supporting beams 8,
each guide unit 9-1 comprises a plurality of brackets 9-1-1, a plurality of rapping rods 9-1-2, a plurality of rapping covers 9-1-3, a plurality of pairs of guide lugs 9-1-4, a plurality of pairs of guide lugs 9-1-5 and a plurality of pairs of poking sheets 9-1-6, a plurality of brackets 9-1-1 are uniformly distributed between the pairs of support beams 8 along the length direction of the support beams 8, one end of each bracket 9-1-1 is vertically connected with the support beam 8 at one side through a pair of guide lugs 9-1-4, the other end of each bracket 9-1-1 is vertically connected with the support beam 8 at the other side through a pair of guide lugs 9-1-4, a plurality of rapping rods 9-1-2 are uniformly distributed on the upper parts of the plurality of brackets 9-1-1 along the length direction of the brackets 9-1-1, a pair of guide plates 9-1-5 is arranged between each rapping rod 9-1-2 and the corresponding bracket 9-1-1, the guide plates 9-1-5 are fixed on the bracket 9-1-1, the rapping rods 9-1-2 are slidably connected with the bracket 9-1-1 through the guide plates 9-1-5, a plurality of rapping holes matched with the rapping rods 9-1-2 are arranged on furnace wall guard plates at two sides of the boiler, a rapping cover 9-1-3 is arranged in each rapping hole, the large end of each rapping rod 9-1-2 is inserted into the rapping cover 9-1-3 on the furnace wall guard plate at one corresponding side, the rapping rods 9-1-2 are respectively in one-to-one correspondence with the heat exchange tubes of the convection tube bundle in the boiler, the lower ends of the heat exchange tubes 12 of the convection bank in the furnace are fixedly connected with the corresponding rapping rods 9-1-2 through the plectrum 9-1-6.
The second embodiment is as follows: the present embodiment is described with reference to fig. 3, each rapping transmission mechanism 4 of the present embodiment comprises an electric motor 4-1, a speed reducer 4-2 and a chain transmission mechanism 4-3, the electric motor 4-1, the speed reducer 4-2 and the chain transmission mechanism 4-3 are all mounted on the corresponding transmission support device 3, the output end of the electric motor 4-1 is connected with the speed reducer 4-2, the output end of the speed reducer 4-2 is connected with the chain transmission mechanism 4-3, and the output end of the chain transmission mechanism 4-3 is connected with the corresponding transmission shaft 5-1-1. According to the arrangement, the motor 4-1 transmits power to the speed reducer 4-2, and the speed reducer 4-2 transmits power to the transmission shaft 5-1-1 through the chain transmission mechanism 4-3. Other components and connections are the same as in the first embodiment.
The third concrete implementation mode: referring to fig. 10, the chain transmission mechanism 4-3 of the present embodiment includes a driving sprocket 4-3-1, a driven sprocket 4-3-2, a chain 4-3-3, a first connecting key 4-3-4 and a second connecting key 4-3-5, the driving sprocket 4-3-1 is connected to an output shaft of the speed reducer 4-2 through the first connecting key 4-3-4, the driven sprocket 4-3-2 is connected to an end of a corresponding transmission shaft 5-1-1 through the second connecting key 4-3-5, and the driving sprocket 4-3-1 is connected to the driven sprocket 4-3-2 through the chain 4-3-3. According to the arrangement, the speed reducer 4-2 transmits power to the driving chain wheel 4-3-1, the driving chain wheel 4-3-1 transmits power to the driven chain wheel 4-3-2 through the chain 4-3-3, and the driven chain wheel 4-3-2 transmits power to the transmission shaft 5-1-1. Other compositions and connections are the same as in the first or second embodiments.
The fourth concrete implementation mode: referring to fig. 3 for explaining the present embodiment, each rapping support device 5-1-2 of the present embodiment comprises a rapping bearing seat 5-1-2-1 and a rapping shaft support 5-1-2-2, the rapping shaft support 5-1-2-2 is vertically arranged on the upper portion of the transmission support plate 1, the lower portion of the rapping shaft support 5-1-2-2 is connected with the transmission support plate 1, the upper portion of the rapping shaft support 5-1-2-2 is provided with a rapping bearing seat 5-1-2-1, and the rapping bearing seat 5-1-2-1 is rotatably matched with the shaft end of the transmission shaft 5-1-1. So arranged, when the transmission shaft 5-1-1 rotates through the reducer 4-2, the rapping bearing seats 5-1-2-1 at the two ends of the transmission shaft 5-1-1 play a supporting role. Other compositions and connection relationships are the same as in the first, second or third embodiment.
The fifth concrete implementation mode: referring to fig. 4 and 5, the embodiment is described, each rapping hammer assembly 5-1-3 of the embodiment includes a pipe clamp 5-1-3-1 and a hammer 5-1-3-2, the pipe clamp 5-1-3-1 is sleeved on a transmission shaft 5-1-1, the hammer 5-1-3-2 is rotatably connected with the pipe clamp 5-1-3-1, the pipe clamp 5-1-3-1 includes an upper bracket 5-1-3-1-1 and a lower bracket 5-1-3-1-2, the lower bracket 5-1-3-1-2 includes a clamping plate 5-1-3-1-2-1 and a transmission lug plate 5-1-3-1-2-2, the hammer 5-1-3-2 comprises a hammer handle 5-1-3-2-1 and a hammer head 5-1-3-2-2, an upper support 5-1-3-1-1 and a clamping plate 5-1-3-1-2-1 are connected with a transmission shaft 5-1-1 through bolts, a transmission lug plate 5-1-3-1-2-2 is arranged at the lower part of the clamping plate 5-1-3-1-2-1, the upper part of the hammer handle 5-1-3-2-1 is rotatably connected with the transmission lug plate 5-1-3-1-2-2 through bolts, and the lower part of the hammer handle 5-1-3-2-1 is provided with the hammer head 5-1-3-2-2. According to the arrangement, the transmission shaft 5-1-1 is fixedly connected with the pipe clamp 5-1-3-1 of the rapping hammer assembly 5-1-3, the pipe clamp 5-1-3-1 is rotatably connected with the hammer 5-1-3-2, the transmission shaft 5-1-1 drives the rapping hammer assembly 5-1-3 to rotate, when the rapping hammer assembly 5-1-3 rotates to the highest point, the rapping hammer assembly quickly falls down and strikes the rapping sealing device 10, and the rapping hammer assembly 5-1-3 continuously rotates and strikes the rapping sealing device 10 under the driving of the transmission shaft 5-1-1. Other compositions and connection relationships are the same as those in the first, second, third or fourth embodiment.
The sixth specific implementation mode: the present embodiment is described with reference to fig. 4 and 5, and the plurality of rapping hammer assemblies 5-1-3 of the present embodiment are uniformly distributed on the outer circumference of the transmission shaft 5-1-1 along the circumferential direction. Due to the arrangement, damage to the convection bank caused by simultaneous striking of all the rapping hammer components 5-1-3 is avoided, the plurality of rapping hammer components 5-1-3 on the outer circumference of the transmission shaft 5-1-1 are uniformly distributed along the circumferential direction, and the plurality of rapping hammer components 5-1-3 can be guaranteed to intermittently strike the lower end of the convection bank, so that the number of the convection bank struck at the same time is small, the safety of the convection bank is guaranteed, and the service life of the convection bank is effectively prolonged. Other compositions and connection relationships are the same as in the first, second, third, fourth or fifth embodiment.
The seventh embodiment: the present embodiment will be described with reference to fig. 13, the rapping transmission device of the present embodiment further comprises a plurality of rapping sealing devices 10, the number of rapping sealing devices 10 is the same as the number of rapping rods 9-1-2, and the rapping sealing devices 10 are arranged between the rapping rods 9-1-2 and the rapping hammer assemblies 5-1-3. Thus, the sealing device 10 is capable of preventing ash and smoke in the furnace from leaking out of the furnace through the gap. Other compositions and connection relationships are the same as in the first, second, third, fourth, fifth or sixth embodiment.
The specific implementation mode is eight: the present embodiment is described with reference to fig. 11 and 13, each rapping sealing device 10 of the present embodiment includes a first flange 10-1, a sealing bearing seat 10-2, a second flange 10-3, a rapping shaft 10-4 and a rapping shaft cover 10-5, the first flange 10-1 and the second flange 10-3 are coaxially connected to two ends of the sealing bearing seat 10-2, the first flange 10-1 is connected to a guard plate of a furnace wall, one end of the rapping shaft 10-4 penetrates through the sealing bearing seat 10-2 and extends into the rapping cover 9-1-3, the other end of the rapping shaft 10-4 is provided with the rapping shaft cover 10-5, and the rapping shaft 10-4 is arranged corresponding to the rapping rod 9-1-2. By the arrangement, the sealing bearing seat 10-2 plays a role in supporting and guiding the rapping shaft 10-4, and the first flange 10-1 plays a role in sealing, so that ash and smoke in the furnace cannot leak out of the furnace through a gap. Other compositions and connection relationships are the same as those of embodiment one, two, three, four, five, six or seven.
The specific implementation method nine: the embodiment is described with reference to fig. 11 and 13, and the rapping rods 9-1-2, the hammers 5-1-3-2 and the rapping shafts 10-4 of the embodiment are located on each side of the boiler in a one-to-one correspondence, respectively. The arrangement ensures that the hammer 5-1-3-2 accurately strikes the rapping sealing device 10 and the rapping shaft 10-4 accurately strikes the corresponding rapping rod 9-1-2 under the driving of the transmission shaft 5-1-1 by the rapping hammer assembly 5-1-3. Other compositions and connection relationships are the same as those in the first, second, third, fourth, fifth, sixth, seventh or eighth embodiment.
The detailed implementation mode is ten: referring to fig. 11, the present embodiment is described, in which the interior of the protective plate of each side wall of the boiler is a closed cavity structure, and an insulating layer 11 is disposed in the cavity structure. So set up, play sealed and heat retaining effect. Other compositions and connection relationships are the same as those of embodiment one, two, three, four, five, six, seven, eight or nine.
Principle of operation
A transmission shaft 5-1-1 of the invention rotates at 8-10 r/min through a speed reducer 4-2, the transmission shaft 5-1-1 is fixedly connected with a pipe clamp 5-1-3-1 of a rapping hammer component 5-1-3, the pipe clamp 5-1-3-1 is rotatably connected with the hammer 5-1-3-2, the transmission shaft 5-1-1 drives the rapping hammer component 5-1-3 to rotate, when the rapping hammer assembly 5-1-3 rotates to the highest point, the rapping hammer assembly rapidly falls down and strikes the rapping sealing device 10, and the rapping hammer assembly 5-1-3 continuously rotates and strikes the rapping sealing device 10 continuously under the driving of the transmission shaft 5-1-1 (see the rotating state of the rapping hammer assembly 5-1-3 in fig. 14-21).
The big end of the rapping rod 9-1-2 is provided with a rapping sealing device 10, when the rapping hammer assembly 5-1-3 falls down and strikes the rapping sealing device 10, the rapping sealing device 10 strikes the big end of the rapping rod 9-1-2, thereby vibrating the rapping bar 9-1-2, the vibration amplitude can be realized by adjusting the weight of the rapping hammer component 5-1-3, the rapping bar 9-1-2 drives the lower end of the convection bank connected with the rapping bar to vibrate along the direction of the rapping bar 9-1-2, dust can not be adhered to the convection bank by vibration, thereby the dust cleaning effect is achieved, a rapping cover 9-1-3 is arranged between the big end of the rapping rod 9-1-2 and the furnace wall, so that ash and smoke in the furnace cannot leak out of the furnace through gaps.
Claims (10)
1. A mechanical rapping dust-cleaning device for the heating surface of a convection tube bundle of a garbage boiler comprises a rapping transmission device and a rapping guide device, wherein the rapping transmission device is arranged outside the boiler, and the rapping guide device is arranged in the boiler;
the method is characterized in that: the rapping transmission device comprises two transmission supporting plates (1), three pairs of supporting longitudinal beams (2), four transmission supporting devices (3), four rapping transmission mechanisms (4), a plurality of pairs of first rapping assemblies (5), a plurality of pairs of second rapping assemblies (6) and a plurality of universal couplings (7), each pair of first rapping assemblies (5) comprises two first rapping units (5-1), each pair of second rapping assemblies (6) comprises two second rapping units (6-1), the boiler is of a cubic structure, three pairs of supporting longitudinal beams (2) are oppositely arranged on two sides of the boiler along the length direction of the boiler, the two transmission supporting plates (1) are horizontally arranged on furnace walls on two sides of the boiler, the transmission supporting plates (1) are fixedly arranged on the supporting longitudinal beams (2), two ends of each transmission supporting plate (1) are respectively provided with one transmission supporting device (3), the four rapping transmission supporting devices (4) are respectively arranged on the four transmission supporting devices (3), a plurality of first rapping units (5-1) and a plurality of second rapping units (6-1) are sequentially and coaxially arranged between two rapping transmission mechanisms (4) at each side of the boiler from front to back along the length direction of the boiler, a universal coupling (7) is arranged between every two adjacent first rapping units (5-1), a universal coupling (7) is arranged between every two adjacent second rapping units (6-1), the first rapping unit (5-1) close to one side of the rapping transmission mechanism (4) is connected with the power output end of the corresponding rapping transmission mechanism (4), the second rapping unit (6-1) close to one side of the rapping transmission mechanism (4) is connected with the power output end of the corresponding rapping transmission mechanism (4),
each first rapping unit (5-1) comprises a transmission shaft (5-1-1), two rapping supporting devices (5-1-2) and a plurality of rapping hammer components (5-1-3), the transmission shaft (5-1-1) is horizontally arranged along the length direction of the boiler, two ends of the transmission shaft (5-1-1) are respectively provided with one rapping supporting device (5-1-2), the shaft end of the transmission shaft (5-1-1) is rotatably connected with the rapping supporting devices (5-1-2), the outer circumference of the transmission shaft (5-1-1) is uniformly provided with the plurality of rapping hammer components (5-1-3) along the length direction thereof, the second rapping unit (6-1) has the same structure as the first rapping unit (5-1),
the rapping guide device comprises a plurality of pairs of supporting beams (8) and a plurality of pairs of guide assemblies (9), each pair of guide assemblies (9) comprises two guide units (9-1), the plurality of pairs of supporting beams (8) are horizontally arranged in the furnace side by side along the length direction of the boiler, the plurality of pairs of supporting beams (8) are respectively arranged corresponding to the plurality of pairs of first rapping assemblies (5) and the plurality of pairs of second rapping assemblies (6) of the rapping transmission device, two ends of each pair of supporting beams (8) are respectively inserted into the furnace walls at two sides of the boiler, two guide units (9-1) are arranged between each pair of supporting beams (8),
each guide unit (9-1) comprises a plurality of brackets (9-1-1), a plurality of rapping rods (9-1-2), a plurality of rapping covers (9-1-3), a plurality of pairs of guide lugs (9-1-4), a plurality of pairs of guide plates (9-1-5) and a plurality of pairs of poking sheets (9-1-6), a plurality of brackets (9-1-1) are uniformly distributed between pairs of supporting beams (8) along the length direction of the supporting beams (8), one end of each bracket (9-1-1) is vertically connected with the supporting beam (8) at one side through a pair of guide lugs (9-1-4), the other end of each bracket (9-1-1) is vertically connected with the supporting beam (8) at the other side through a pair of guide lugs (9-1-4), a plurality of rapping rods (9-1-2) are uniformly distributed on the upper parts of the brackets (9-1-1) along the length direction of the brackets (9-1-1), a pair of guide plates (9-1-5) is arranged between each rapping rod (9-1-2) and the corresponding bracket (9-1-1), the guide plates (9-1-5) are fixed on the brackets (9-1-1), the rapping rods (9-1-2) are slidably connected with the brackets (9-1-1) through the guide plates (9-1-5), a plurality of rapping holes matched with the rapping rods (9-1-2) are arranged on furnace wall guard plates on the two sides of the boiler, a rapping cover (9-1-3) is arranged in each rapping hole, the large end of each of the vibrating rods (9-1-2) is inserted into a vibrating cover (9-1-3) on the furnace wall guard plate on one corresponding side, the vibrating rods (9-1-2) are respectively in one-to-one correspondence with the heat exchange tubes of the convection tube bundle in the furnace, and the lower end of each heat exchange tube (12) of the convection tube bundle in the furnace is fixedly connected with the corresponding vibrating rod (9-1-2) through a plectrum (9-1-6).
2. The mechanical rapping dust-cleaning device for the heating surface of the convection bank of a garbage boiler as recited in claim 1 is characterized in that: each rapping transmission mechanism (4) comprises a motor (4-1), a speed reducer (4-2) and a chain transmission mechanism (4-3), the motor (4-1), the speed reducer (4-2) and the chain transmission mechanism (4-3) are all arranged on the corresponding transmission supporting device (3), the output end of the motor (4-1) is connected with the speed reducer (4-2), the output end of the speed reducer (4-2) is connected with the chain transmission mechanism (4-3), and the output end of the chain transmission mechanism (4-3) is connected with the corresponding transmission shaft (5-1-1).
3. The mechanical rapping dust-cleaning device for the heating surface of the convection bank of a garbage boiler as recited in claim 2, characterized in that: the chain transmission mechanism (4-3) comprises a driving chain wheel (4-3-1), a driven chain wheel (4-3-2), a chain (4-3-3), a first connecting key (4-3-4) and a second connecting key (4-3-5), the driving chain wheel (4-3-1) is connected with an output shaft of the speed reducer (4-2) through the first connecting key (4-3-4), the driven chain wheel (4-3-2) is connected with the end part of the corresponding transmission shaft (5-1-1) through the second connecting key (4-3-5), and the driving chain wheel (4-3-1) is connected with the driven chain wheel (4-3-2) through the chain (4-3-3).
4. The mechanical rapping dust-cleaning device for the heating surface of the convection bank of a garbage boiler as recited in claim 1 is characterized in that: each rapping supporting device (5-1-2) comprises a rapping bearing seat (5-1-2-1) and a rapping shaft support (5-1-2-2), the rapping shaft support (5-1-2-2) is vertically arranged on the upper portion of the transmission supporting plate (1), the lower portion of the rapping shaft support (5-1-2-2) is connected with the transmission supporting plate (1), a rapping bearing seat (5-1-2-1) is arranged on the upper portion of the rapping shaft support (5-1-2-2), and the rapping bearing seat (5-1-2-1) is rotatably matched with the shaft end of the transmission shaft (5-1-1).
5. The mechanical rapping dust-cleaning device for the heating surface of the convection bank of a garbage boiler as recited in claim 4, characterized in that: each rapping hammer component (5-1-3) comprises a pipe clamp (5-1-3-1) and a hammer (5-1-3-2), the pipe clamp (5-1-3-1) is sleeved on the transmission shaft (5-1-1), the hammer (5-1-3-2) is rotatably connected with the pipe clamp (5-1-3-1), the pipe clamp (5-1-3-1) comprises an upper bracket (5-1-3-1-1) and a lower bracket (5-1-3-1-2), the lower bracket (5-1-3-1-2) comprises a clamping plate (5-1-3-1-2-1) and a transmission lug plate (5-1-3-1-2-2), the hammer (5-1-3-2) comprises a hammer handle (5-1-3-2-1) and a hammer head (5-1-3-2-2), an upper bracket (5-1-3-1-1) and a clamping plate (5-1-3-1-2-1) are connected with a transmission shaft (5-1-1) through bolts, a transmission lug plate (5-1-3-1-2-2) is arranged at the lower part of the clamping plate (5-1-3-1-2-1), the upper part of the hammer handle (5-1-3-2-1) is rotatably connected with the transmission lug plate (5-1-3-1-2-2) through bolts, and the lower part of the hammer handle (5-1-3-2-1) is provided with the hammer head (5-1-3-2-1) -3-2-2).
6. The mechanical rapping dust-cleaning device for the heating surface of the convection bank of a garbage boiler as recited in claim 5, characterized in that: the plurality of rapping hammer components (5-1-3) are uniformly distributed on the outer circumference of the transmission shaft (5-1-1) along the circumferential direction.
7. The mechanical rapping dust-cleaning device for the heating surface of the convection bank of a garbage boiler as recited in claim 1 is characterized in that: the rapping transmission device also comprises a plurality of rapping sealing devices (10), the number of the rapping sealing devices (10) is consistent with that of the rapping rods (9-1-2), and the rapping sealing devices (10) are arranged between the rapping rods (9-1-2) and the rapping hammer assemblies (5-1-3).
8. The mechanical rapping dust-cleaning device for the heating surface of the convection bank of a garbage boiler as recited in claim 7, characterized in that: each vibration beating sealing device (10) comprises a first flange (10-1), a sealing bearing seat (10-2), a second flange (10-3), a vibration beating shaft (10-4) and a vibration beating shaft cover (10-5), wherein the first flange (10-1) and the second flange (10-3) are coaxially connected to the two ends of the sealing bearing seat (10-2), the first flange (10-1) is connected with a protection plate of a furnace wall, one end of the vibration beating shaft (10-4) penetrates through the sealing bearing seat (10-2) and extends into the vibration beating cover (9-1-3), the other end of the vibration beating shaft (10-4) is provided with the vibration beating shaft cover (10-5), and the vibration beating shaft (10-4) and the vibration beating rod (9-1-2) are correspondingly arranged.
9. The mechanical rapping dust-cleaning device for the heating surface of the convection bank of a garbage boiler as recited in claim 1, 5 or 8, characterized in that: the rapping rods (9-1-2), the hammers (5-1-3-2) and the rapping shafts (10-4) on each side of the boiler are in one-to-one correspondence respectively.
10. The mechanical rapping dust-cleaning device for the heating surface of the convection bank of a garbage boiler as recited in claim 1 is characterized in that: the interior of the guard board of each side of the boiler wall is a closed cavity structure, and a heat insulation layer (11) is arranged in the cavity structure.
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| CN201910968474.8A CN110657446B (en) | 2019-10-12 | 2019-10-12 | Mechanical type vibration ash removal device for heating surface of convection bank of garbage boiler |
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| CN201910968474.8A CN110657446B (en) | 2019-10-12 | 2019-10-12 | Mechanical type vibration ash removal device for heating surface of convection bank of garbage boiler |
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| CN113701178A (en) * | 2021-07-23 | 2021-11-26 | 湖州南太湖环保能源有限公司 | Steam soot blowing system of boiler flue |
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