CN211450906U - Slag discharge device of CFB boiler burning coal gangue - Google Patents
Slag discharge device of CFB boiler burning coal gangue Download PDFInfo
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- CN211450906U CN211450906U CN201921870877.0U CN201921870877U CN211450906U CN 211450906 U CN211450906 U CN 211450906U CN 201921870877 U CN201921870877 U CN 201921870877U CN 211450906 U CN211450906 U CN 211450906U
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Abstract
The utility model discloses a slag discharge device of a CFB boiler burning coal gangue, which comprises a slag discharge pipe, a rack and a limiting plate, wherein one end of the slag discharge pipe is fixedly connected with the boiler through a bolt, and the boiler is communicated with the slag discharge pipe; the utility model discloses a be equipped with first water-cooled tube, second water-cooled tube and third water-cooled tube, and pour high temperature resistant material in the space between water-cooled tube and scum pipe, can prevent that the scum pipe is in when row's sediment the pipeline section is in the scarfing attitude, and when receiving expend with heat and contract with cold's influence, can avoid the scum pipe to appear warping, the fracture, the flame projecting, spout the sediment, phenomenons such as ash-spraying, maintenance workman's work load and daily maintenance expense have been reduced, service life has been prolonged, and through being equipped with the motor, the gear, bull stick and rack, through controller control motor just reversal, the motor drives the bull stick and rotates, can drive gear revolve, further drive the rack and reciprocate, can prevent the cinder because the caking blocks up the scum room.
Description
Technical Field
The utility model relates to a sediment technical field is arranged to the boiler, specifically is a sediment device is arranged to CFB boiler of burning coal gangue.
Background
The slag discharging device is used as a connecting device of a boiler and a slag cooler, has the function of ensuring that high-temperature (800 ℃) bottom slag of the boiler can smoothly enter the slag cooler without slag blockage, coking, leakage, high-temperature radiation and the like, and is vital to the normal operation of a boiler system, and the coal gangue-fired CFB boiler has the characteristics of large coal-fired particle size, large coal quantity, insufficient combustion, high slag discharging temperature, large slag fly ash discharge capacity and the like, the insufficient combustion leads to high carbon content of slag, anoxic combustion in a slag discharging pipe easily causes coking, and the requirements for a slag discharging pipe of the coal gangue-fired CFB boiler are improved, and the existing boiler slag discharging device has some defects, such as:
in the prior art, the slag is generally discharged by using a stainless steel slag discharge pipe at present, but when the slag discharge pipe discharges slag, the pipe section is basically in a burning red state and is influenced by thermal expansion and cold contraction, the slag discharge pipe often has the phenomena of serious deformation, cracking, flaming, slag spraying, ash spraying and the like, so that the problems of large workload of maintenance workers, increase of daily maintenance cost, short service life, poor safety and the like are caused, even in serious cases, the boiler is shut down, unpredictable loss is caused, and when ash slag enters the air-water slag cooler from the boiler through the slag discharge pipe, the ash slag blocks the slag discharge pipe easily due to agglomeration, production shutdown maintenance is required, and the production efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sediment device is arranged to CFB boiler of burning coal gangue to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a slag discharging device of a CFB boiler burning coal gangue comprises a slag discharging pipe, a rack and a limiting plate, wherein one end of the slag discharging pipe is fixedly connected with the boiler through a bolt, the boiler is communicated with the slag discharging pipe, the other end of the slag discharging pipe is fixedly connected with a slag discharging chamber through a bolt, the middle part of the lower surface of the slag discharging chamber is fixedly connected with an outlet pipe through a bolt, one end of the lower surface of the slag discharging chamber is fixedly connected with a supporting table through a bolt, the upper surface of the supporting table is fixedly connected with a motor through a bolt, the power output end of the motor penetrates through the slag discharging chamber and is fixedly connected with a rotating rod through a coupler, the power output end of the motor is rotatably connected with the slag discharging chamber through a bearing, one end of the rotating rod is fixedly connected with a gear through a bolt, two ends of the inner wall of the slag discharging chamber, close to one, the gear with rack toothing, bolt fixedly connected with row cinder notch is passed through to outlet pipe one end, row cinder notch one side is through bolt fixedly connected with slag discharging port, brace table one side is through bolt fixedly connected with controller, and controller output and motor input electric connection, controller and motor all with external power source electric connection.
Preferably, one side of the slag discharging pipe close to the top end is fixedly connected with a water inlet pipe through a bolt, the other side of the slag discharging pipe close to the bottom end is fixedly connected with a water discharging pipe through a bolt, one end of the water inlet pipe is fixedly connected with a first water cooling pipe through a bolt, the other end of the water inlet pipe is fixedly connected with a heat exchanger through a flange and the bolt, one side of the first water-cooling pipe close to the two ends is fixedly connected with a second water-cooling pipe through a flange and a bolt, one end of each of the two second water-cooling pipes is fixedly connected with a third water-cooling pipe through a flange and a bolt, one end of each of the third water-cooling pipes is fixedly connected with a drain pipe through a flange and a bolt, and the first water-cooling pipe, the second water-cooling pipe and the third water-cooling pipe are fixedly connected with the slag discharge pipe through bolts, the drain pipe is fixedly connected with the heat exchanger through a flange and a bolt, and control valves are fixedly connected with one ends of the water inlet pipe, the drain pipe and the slag discharge port close to one ends of the water inlet pipe, the drain pipe and the slag discharge port through bolts.
Preferably, the protective cover is sleeved on the periphery of the boiler, a bearing platform is poured on the periphery of the boiler, and the bearing platform is used as a bearing structure of the boiler.
Preferably, high-temperature-resistant materials are poured in gaps among the first water-cooling pipe, the second water-cooling pipe, the third water-cooling pipe and the slag discharge pipe.
Preferably, the projections of the first water-cooling pipe and the third water-cooling pipe in the horizontal direction are annular structures.
Preferably, the included angle between the slag discharge pipe and the horizontal direction is forty-five degrees, and the length dimension of the rack is greater than that of the slag discharge chamber.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a be equipped with first water-cooled tube, second water-cooled tube and third water-cooled tube, and pour high temperature resistant material in the space between water-cooled tube and scum pipe, can prevent that the scum pipe is in when row's sediment the pipeline section is in the scarfing attitude, and when receiving expend with heat and contract with cold's influence, can avoid the scum pipe to appear warping, the fracture, the flame projecting, spout the sediment, phenomenons such as ash spray, maintenance workman's work load and daily maintenance expense have been reduced, service life has been prolonged, the security performance has been increased, and through being equipped with the motor, the gear, bull stick and rack, through controller control motor just reversal, the motor drives the bull stick and rotates, can drive the gear revolve, further drive the rack and reciprocate, can prevent the cinder because the caking is blockked up the scum room.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic sectional view of the slag discharge pipe of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure of the slag discharge pipe in plan view;
fig. 4 is a schematic view of the sectional structure of the slag discharging chamber of the present invention.
In the figure: 1-a boiler; 2-a slag discharge pipe; 3-water inlet pipe; 4-a drain pipe; 5, a motor; 6, supporting the table; 7-a slag discharge chamber; 8-an outlet pipe; 9-a slag discharge port; 10-a slag discharge port; 11-a first water-cooled tube; 12-a second water-cooled tube; 13-a third water-cooled tube; 14-a limiting plate; 15-a rack; 16-a rotating rod; 17-gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a CFB boiler deslagging device of coal gangue for combustion comprises a deslagging pipe 2, a rack 15 and a limiting plate 14, wherein one end of the deslagging pipe 2 is fixedly connected with a boiler 1 through a bolt, a protective cover is sleeved on the periphery of the boiler 1, a bearing platform is poured on the periphery of the boiler 1, the bearing platform is used as a bearing structure of the boiler 1, the boiler 1 is communicated with the deslagging pipe 2, the other end of the deslagging pipe 2 is fixedly connected with a deslagging chamber 7 through a bolt, an included angle between the deslagging pipe 2 and the horizontal direction is forty-five degrees, the coal cinder is prevented from being blocked inside the deslagging pipe 2, the length size of the rack 15 is larger than that of the deslagging chamber 7, the middle part of the lower surface of the deslagging chamber 7 is fixedly connected with an outlet pipe 8 through a bolt, one end of the lower surface of the deslagging chamber 7 is fixedly connected with a supporting table 6 through a bolt, and the upper surface of the supporting table 6 is fixedly connected with a, the motor 5 is a motor with a model of YE2-802, the power output end of the motor 5 penetrates through a slag discharging chamber 7 and is fixedly connected with a rotating rod 16 through a coupler, the power output end of the motor 5 is rotatably connected with the slag discharging chamber 7 through a bearing, one end of the rotating rod 16 is fixedly connected with a gear 17 through a bolt, two sides of the inner wall of the slag discharging chamber 7 are close to one end and are fixedly connected with a limiting plate 14 through a bolt, one end of a rack 15 penetrates through the limiting plate 14, the rack 15 is slidably connected with the limiting plate 14, the gear 17 is meshed with the rack 15, one end of an outlet pipe 8 is fixedly connected with a slag discharging port 10 through a bolt, one side of the slag discharging port 10 is fixedly connected with a slag discharging port 9 through a bolt, one side of a supporting table 6 is fixedly connected with a controller through a bolt, and the controller is specifically a controller with a model of PL, and the controller output end is electrically connected with the input end of the motor 5, the controller and the motor 5 are both electrically connected with an external power supply, the motor 5 is controlled to rotate forwards and backwards through the controller, the motor 5 drives the rotating rod 16 to rotate, the gear 17 can be driven to rotate, the rack 15 is further driven to move up and down, the cinder can be prevented from being blocked in the cinder discharging chamber 7 due to agglomeration, the water inlet pipe 3 is fixedly connected to one side of the cinder discharging pipe 2 close to the top end, the water outlet pipe 4 is fixedly connected to the other side of the cinder discharging pipe 2 close to the bottom end through the bolt, one end of the water inlet pipe 3 is fixedly connected with the first water-cooling pipe 11 through the bolt, the other end of the water inlet pipe 3 is fixedly connected with the heat exchanger through the flange and the bolt, the heat exchanger is a water-cooling heat exchanger, heat exchange is carried out through cold water and hot water, namely, the hot water absorbing heat in the cinder in the first water-cooling pipe 11 The temperature in the slag discharging pipe 2 is cooled by heat exchange, one side of the first water cooling pipe 11 close to two ends is fixedly connected with a second water cooling pipe 12 through a flange and a bolt, one end of each of the two second water cooling pipes 12 is fixedly connected with a third water cooling pipe 13 through a flange and a bolt, one end of the third water cooling pipe 13 is fixedly connected with a drain pipe 4 through a flange and a bolt, the first water cooling pipe 11, the second water cooling pipe 12 and the third water cooling pipe 13 are fixedly connected with the slag discharging pipe 2 through bolts, the drain pipe 4 is fixedly connected with a heat exchanger through a flange and a bolt, one side of the water inlet pipe 3, one side of the drain pipe 4 and one side of the slag discharging port 9 close to one end are fixedly connected with a control valve through bolts, high-temperature resistant materials are poured in gaps among the first water cooling pipe 11, the second water cooling pipe 12 and the third water cooling pipe 13 and the slag discharging pipe 2, the projections of the first water cooling pipe 11 and the third water cooling pipe 13 in the horizontal direction are, through all setting up the cavity at row's cinder pipe 2 both sides and both ends, and through the first water-cooled tube 11 of bolt fixed mounting, second water-cooled tube 12 and third water-cooled tube 13 in the cavity, and pour high temperature resistant material in the space between water-cooled tube and row's cinder pipe 2, the pipeline section is in when burning red state when can prevent row's cinder pipe 2 row sediment, and when receiving expend with heat and contract with cold's influence, can avoid row's cinder pipe 2 to appear warping, the fracture, the flame projecting, spout sediment, spout ash, etc., the work load and the routine maintenance expense of maintenance workman have been reduced, service life has been prolonged, the security performance has been increased.
The working principle is as follows: when in use, the slag in the boiler 1 enters the slag discharging chamber 7 through the slag discharging pipe 2 and enters the wind-water slag cooler through the outlet pipe 8 and the slag discharging port 10 for further cooling, the motor 5 is controlled to rotate positively and negatively through the controller, the motor 5 drives the rotating rod 16 to rotate and can drive the gear 17 to rotate and further drive the rack 15 to move up and down, the slag discharging chamber 7 and the slag discharging pipe 2 can be prevented from being blocked due to caking, the utility model discloses a first water cooling pipe 11, a second water cooling pipe 12 and a third water cooling pipe 13 are arranged, and high temperature resistant materials are poured in a gap between the water cooling pipes and the slag discharging pipe 2, so that the phenomena of deformation, cracking, fire spraying, slag spraying, ash spraying and the like of the slag discharging pipe 2 when the slag is discharged and the pipe section is in a red burning state, and is influenced by thermal expansion and cold contraction can be avoided, thereby reducing the workload and the daily maintenance cost of maintenance workers, the service life is prolonged, and the safety performance is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a sediment device is arranged to CFB boiler of burning coal gangue, includes slag discharging pipe (2), rack (15) and limiting plate (14), its characterized in that: the boiler is characterized in that one end of the deslagging pipe (2) is fixedly connected with the boiler (1) through a bolt, the boiler (1) is communicated with the deslagging pipe (2), the other end of the deslagging pipe (2) is fixedly connected with a deslagging chamber (7) through a bolt, the middle part of the lower surface of the deslagging chamber (7) is fixedly connected with an outlet pipe (8) through a bolt, one end of the lower surface of the deslagging chamber (7) is fixedly connected with a supporting table (6) through a bolt, the upper surface of the supporting table (6) is fixedly connected with a motor (5) through a bolt, the power output end of the motor (5) penetrates through the deslagging chamber (7) and is fixedly connected with a rotating rod (16) through a coupler, the power output end of the motor (5) is rotatably connected with the deslagging chamber (7) through a bearing, one end of the rotating rod (16) is fixedly connected with a gear (17) through a bolt, two sides of the inner wall, limiting plate (14) is passed to rack (15) one end, just rack (15) with limiting plate (14) sliding connection, gear (17) with rack (15) meshing, bolt fixedly connected with row cinder notch (10) is passed through to outlet pipe (8) one end, it leaks cinder notch (9) to arrange cinder notch (10) one side through bolt fixedly connected with, bolt fixedly connected with controller is passed through to brace table (6) one side, and controller output and motor (5) input electric connection, controller and motor (5) all with external power source electric connection.
2. The slag removal device for the CFB boiler burning coal gangue as claimed in claim 1, wherein: one side of the slag discharging pipe (2) is close to the top end and is fixedly connected with a water inlet pipe (3) through a bolt, the other side of the slag discharging pipe (2) is close to the bottom end and is fixedly connected with a water outlet pipe (4) through a bolt, one end of the water inlet pipe (3) is fixedly connected with a first water cooling pipe (11) through a bolt, the other end of the water inlet pipe (3) is fixedly connected with a heat exchanger through a flange and a bolt, one side of the first water cooling pipe (11) is close to the two ends and is fixedly connected with a second water cooling pipe (12) through a flange and a bolt, one end of each of the two second water cooling pipes (12) is fixedly connected with a third water cooling pipe (13) through a flange and a bolt, one end of the third water cooling pipe (13) is fixedly connected with the water outlet pipe (4) through a flange and a bolt, and the first water cooling pipe (11), the second water cooling pipe (12, the water discharging pipe (4) is fixedly connected with the heat exchanger through a flange and a bolt, and one side of the water inlet pipe (3), the water discharging pipe (4) and one side of the slag discharging port (9) are close to one end and are all fixedly connected with a control valve through a bolt.
3. The slag removal device for the CFB boiler burning coal gangue as claimed in claim 1, wherein: the protective cover is sleeved on the periphery of the boiler (1), the bearing platform is poured on the periphery of the boiler (1), and the bearing platform is used as a bearing structure of the boiler (1).
4. The slag removal device for the CFB boiler burning coal gangue as claimed in claim 2, wherein: and high-temperature-resistant materials are poured in gaps among the first water-cooling pipe (11), the second water-cooling pipe (12), the third water-cooling pipe (13) and the slag discharge pipe (2).
5. The slag removal device for the CFB boiler burning coal gangue as claimed in claim 2, wherein: the projections of the first water-cooling pipe (11) and the third water-cooling pipe (13) in the horizontal direction are of annular structures.
6. The slag removal device for the CFB boiler burning coal gangue as claimed in claim 1, wherein: the included angle between the slag discharging pipe (2) and the horizontal direction is forty-five degrees, and the length dimension of the rack (15) is larger than that of the slag discharging chamber (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921870877.0U CN211450906U (en) | 2019-11-01 | 2019-11-01 | Slag discharge device of CFB boiler burning coal gangue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921870877.0U CN211450906U (en) | 2019-11-01 | 2019-11-01 | Slag discharge device of CFB boiler burning coal gangue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211450906U true CN211450906U (en) | 2020-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921870877.0U Expired - Fee Related CN211450906U (en) | 2019-11-01 | 2019-11-01 | Slag discharge device of CFB boiler burning coal gangue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211450906U (en) |
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2019
- 2019-11-01 CN CN201921870877.0U patent/CN211450906U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200908 Termination date: 20211101 |