CN219713341U - Novel in-furnace hanging screen of circulating fluidized bed boiler - Google Patents
Novel in-furnace hanging screen of circulating fluidized bed boiler Download PDFInfo
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- CN219713341U CN219713341U CN202320673180.4U CN202320673180U CN219713341U CN 219713341 U CN219713341 U CN 219713341U CN 202320673180 U CN202320673180 U CN 202320673180U CN 219713341 U CN219713341 U CN 219713341U
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- circulating fluidized
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 14
- 230000002787 reinforcement Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 2
- 238000003466 welding Methods 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
The utility model discloses a novel in-furnace hanging screen of a circulating fluidized bed boiler, and relates to the technical field of circulating fluidized bed boilers; the utility model comprises a first screen hanging pipe, a second screen hanging pipe is detachably arranged at the top end of the first screen hanging pipe, a reinforcing sleeve is arranged at the joint of the first screen hanging pipe and the second screen hanging pipe, two ends of the side wall of the reinforcing sleeve are respectively provided with a fastening ring, one sides of the first screen hanging pipe and the second screen hanging pipe are respectively provided with a return-type frame, the first screen hanging pipe and the second screen hanging pipe are respectively positioned in a return-type opening of the return-type frame, the return-type frame comprises a bottom plate and a top plate, a movable plate is arranged between the bottom plate and the top plate, one end of the movable plate is fixedly connected with a clamping plate, the clamping plate is positioned in the return-type opening of the return-type frame, and the clamping plate corresponds to the first screen hanging pipe and the second screen hanging pipe; according to the utility model, when the first screen hanging pipe and the second screen hanging pipe are installed, the operation is simpler, and a welding mode is not needed, so that the assembly and disassembly are more convenient, and the cost is saved.
Description
Technical Field
The utility model relates to the technical field of circulating fluidized bed boilers, in particular to a novel in-furnace hanging screen 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).
When the existing hanging screen in the circulating fluidized bed boiler is installed and used, the welding mode is adopted for assembling, the cost is high, and the hanging screen in the circulating fluidized bed boiler can be detached only by cutting in the later period if the hanging screen is detached, so that the labor is wasted, and aiming at the problems, the inventor proposes a novel hanging screen in the circulating fluidized bed boiler for solving the problems.
Disclosure of Invention
In order to solve the problems that when the existing hanging screen in the furnace is installed and used, the welding mode is adopted for assembling, the cost is high, and the hanging screen in the furnace is required to be detached in the later period and is required to be detached through cutting, so that the labor is wasted; the utility model aims to provide a novel in-furnace hanging screen of a circulating fluidized bed boiler.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a novel in-furnace hanging screen of circulating fluidized bed boiler, includes first hanging screen pipe, the top of first hanging screen pipe can be dismantled and is provided with the second and hang the screen pipe, the junction of first hanging screen pipe and second hanging screen pipe is provided with the reinforcement cover, the lateral wall both ends of reinforcement cover all are provided with the confinement ring, one side of first hanging screen pipe and second hanging screen pipe all is provided with back type frame, first hanging screen pipe and second hanging screen pipe all are located the back type mouth of back type frame, back type frame includes bottom plate and roof, be provided with the fly leaf between bottom plate and the roof, the one end fixedly connected with grip block of fly leaf, the grip block is located the back type mouth of back type frame, just the grip block is corresponding with first hanging screen pipe, second hanging screen pipe.
Preferably, an internal thread is arranged in the pipe orifice of the top surface of the first screen hanging pipe, a threaded pipe is fixedly connected to the bottom surface of the second screen hanging pipe, the threaded pipe is matched with the internal thread, and when the first screen hanging pipe and the second screen hanging pipe are assembled, the threaded pipe is matched with the internal thread, so that the first screen hanging pipe and the second screen hanging pipe can be connected.
Preferably, the sleeve opening size of the reinforcing sleeve is matched with the outer diameters of the first hanging screen pipe and the second hanging screen pipe, the reinforcing sleeve is used for enabling the first hanging screen pipe and the second hanging screen pipe to be connected more firmly, the reinforcing sleeve can be sleeved on the first hanging screen pipe or the second hanging screen pipe, and after the primary assembly of the first hanging screen pipe and the second hanging screen pipe is completed, the reinforcing sleeve can be moved to the connection position of the first hanging screen pipe and the second hanging screen pipe.
Preferably, the side wall of the fastening ring is fixedly connected with a convex plate at the position close to the port, a first fastening bolt is inserted into the side wall of the convex plate, a nut is also arranged on the side wall of the first fastening bolt, and the fastening ring can be tightened through the mutual matching of the nut and the first fastening bolt, so that the fastening sleeve is firmly connected with the first hanging screen pipe and the second hanging screen pipe.
Preferably, the top surface fixedly connected with connecting plate of bottom plate, the top surface of connecting plate and the bottom surface fixed connection of roof, the lateral wall of connecting plate runs through and is equipped with the guide way, the fly leaf cooperatees with the guide way, the top surface of fly leaf is provided with the ladder groove, the top surface of roof runs through and is provided with the through-hole, the through-hole corresponds with the ladder groove, the inside of ladder groove is provided with second fastening bolt, the head of second fastening bolt cooperatees with the big notch of ladder groove, the pole portion of second fastening bolt cooperatees with the little notch of ladder groove, the pole portion of second fastening bolt runs through in the through-hole, the lateral wall of second fastening bolt is provided with the nut, the nut is located the top of roof.
Compared with the prior art, the utility model has the beneficial effects that: when installing first screen pipe and second screen pipe, the operation is simpler, need not adopt welded mode to make the dismouting more convenient, practice thrift the cost, and after the first screen pipe of hanging and second screen pipe's of accomplishing assembling, can fix through the grip block, so as to hang screen pipe and second screen pipe to a plurality of first after assembling and constraint, avoid the slope, make overall distribution have the regularity.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic diagram of the cooperation of the first screen hanging pipe and the second screen hanging pipe according to the present utility model.
FIG. 3 is an enlarged view of the utility model at A.
Fig. 4 is a schematic view of the overall structure of the loop-shaped frame of the present utility model.
Fig. 5 is an exploded view of the present utility model in the form of a loop.
In the figure: 1. a first screen hanging pipe; 2. an internal thread; 3. a second screen hanging pipe; 4. a threaded tube; 5. reinforcing the sleeve; 6. a confinement ring; 7. a convex plate; 8. a first fastening bolt; 9. a return-type frame; 10. a bottom plate; 11. a top plate; 12. a connecting plate; 13. a guide groove; 14. a movable plate; 15. a clamping plate; 16. a stepped groove; 17. a second fastening bolt; 18. a through port; 19. and (3) a nut.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples: as shown in fig. 1-5, the utility model provides a novel in-furnace hanging screen of a circulating fluidized bed boiler, which comprises a first hanging screen pipe 1, wherein a second hanging screen pipe 3 is detachably arranged at the top end of the first hanging screen pipe 1, a reinforcing sleeve 5 is arranged at the joint of the first hanging screen pipe 1 and the second hanging screen pipe 3, a fastening ring 6 is arranged at both ends of the side wall of the reinforcing sleeve 5, a return-type frame 9 is arranged at one side of the first hanging screen pipe 1 and one side of the second hanging screen pipe 3, the first hanging screen pipe 1 and the second hanging screen pipe 3 are both positioned in a return-type opening of the return-type frame 9, the return-type frame 9 comprises a bottom plate 10 and a top plate 11, a movable plate 14 is arranged between the bottom plate 10 and the top plate 11, one end of the movable plate 14 is fixedly connected with a clamping plate 15, the clamping plate 15 is positioned in the return-type opening of the return-type frame 9, and the clamping plate 15 corresponds to the first hanging screen pipe 1 and the second hanging screen pipe 3.
An internal thread 2 is arranged in the pipe orifice on the top surface of the first screen hanging pipe 1, a threaded pipe 4 is fixedly connected to the bottom surface of the second screen hanging pipe 3, and the threaded pipe 4 is matched with the internal thread 2.
Through adopting above-mentioned technical scheme, when hanging screen pipe 1 and second and hanging screen pipe 3 when assembling, hang screen pipe 1 and second and hang screen pipe 3 with screw thread 4 and internal thread 2 matched with to can hang screen pipe 1 and second and hang the screen pipe 3 to be connected.
The sleeve opening size of the reinforcing sleeve 5 is matched with the outer diameters of the first hanging screen pipe 1 and the second hanging screen pipe 3.
Through adopting above-mentioned technical scheme, consolidate cover 5 and be used for making first screen pipe 1 and second screen pipe 3 more firm of being connected, consolidate cover 5 can the suit on first screen pipe 1 or second screen pipe 3, after the preliminary assembly of first screen pipe 1 and second screen pipe 3 is accomplished, can remove consolidate cover 5 to the junction of first screen pipe 1 and second screen pipe 3.
The side wall of the confinement ring 6 is fixedly connected with a convex plate 7 at the position close to the port, and a first fastening bolt 8 is inserted into the side wall of the convex plate 7.
Through adopting above-mentioned technical scheme, the lateral wall of first fastening bolt 8 is provided with nut 19 equally, through the mutually supporting of nut 19 and first fastening bolt 8 to can tighten up the confinement ring 6, and then can make the reinforcement sleeve 5 more firm with first screen pipe 1 and second screen pipe 3 connection.
The top surface fixedly connected with connecting plate 12 of bottom plate 10, the top surface of connecting plate 12 and the bottom surface fixed connection of roof 11, the lateral wall of connecting plate 12 runs through and is equipped with guide slot 13, fly leaf 14 cooperatees with guide slot 13, the top surface of fly leaf 14 is provided with step groove 16, the top surface of roof 11 runs through and is provided with opening 18, opening 18 and step groove 16 correspond, the inside of step groove 16 is provided with second fastening bolt 17, the head of second fastening bolt 17 cooperatees with the big notch of step groove 16, the pole portion of second fastening bolt 17 cooperatees with the little notch of step groove 16, the pole portion of second fastening bolt 17 runs through in opening 18, the lateral wall of second fastening bolt 17 is provided with nut 19, nut 19 is located the top of roof 11.
Through adopting above-mentioned technical scheme, when the first screen pipe 1 after assembling and second screen pipe 3 hang the constraint, promote fly leaf 14 for grip block 15 and the first screen pipe 1 after assembling and second hang screen pipe 3 closely laminate, then, twist nut 19, through the mutually supporting of nut 19 and second fastening bolt 17, make the head of second fastening bolt 17 closely laminate with the big notch of ladder groove 16, the bottom surface of nut 19 closely laminate with the top surface of roof 11, thereby can fix fly leaf 14, and then can fix grip block 15.
Working principle: when the screen hanging device is used, a plurality of first screen hanging pipes 1 are inserted into the return openings of the return frame 9, the reinforcing sleeve 5 can be sleeved on the first screen hanging pipes 1 or the second screen hanging pipes 3, and then the threaded pipes 4 are matched with the internal threads 2, so that the first screen hanging pipes 1 and the second screen hanging pipes 3 can be connected;
after the primary assembly of the first screen hanging pipe 1 and the second screen hanging pipe 3 is completed, the reinforcing sleeve 5 can be moved to the joint of the first screen hanging pipe 1 and the second screen hanging pipe 3, and the fastening ring 6 can be tightened through the mutual matching of the nuts 19 and the first fastening bolts 8, so that the reinforcing sleeve 5 can be connected with the first screen hanging pipe 1 and the second screen hanging pipe 3 more firmly;
promote fly leaf 14 for grip block 15 closely laminates with first screen pipe 1 and the second screen pipe 3 after assembling, then, twist nut 19, through the mutually supporting of nut 19 and second fastening bolt 17, make the head of second fastening bolt 17 closely laminate with the big notch of ladder groove 16, the bottom surface of nut 19 closely laminate with the top surface of roof 11, thereby can fix fly leaf 14, and then can fix grip block 15, so as to tie up a plurality of first screen pipes 1 and the second screen pipe 3 after assembling, avoid the slope.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (8)
1. Novel in-furnace hanging screen of circulating fluidized bed boiler, including first hanging screen pipe (1), its characterized in that: the utility model discloses a screen hanging device, including first screen hanging pipe (1), second screen hanging pipe (3), first screen hanging pipe (1) and second screen hanging pipe (3)'s junction is provided with reinforcement cover (5), reinforcement cover (5)'s lateral wall both ends all are provided with confinement ring (6), first screen hanging pipe (1) and one side of second screen hanging pipe (3) all are provided with back type frame (9), first screen hanging pipe (1) and second screen hanging pipe (3) all are located the back type mouth of back type frame (9), back type frame (9) include bottom plate (10) and roof (11), be provided with fly leaf (14) between bottom plate (10) and the roof (11), the one end fixedly connected with grip block (15) of fly leaf (14), grip block (15) are located the back type mouth of back type frame (9), just grip block (15) are corresponding with first screen hanging pipe (1), second screen hanging pipe (3).
2. The novel furnace hanging screen of the circulating fluidized bed boiler according to claim 1, wherein an internal thread (2) is arranged in a top surface pipe orifice of the first hanging screen pipe (1), a threaded pipe (4) is fixedly connected to the bottom surface of the second hanging screen pipe (3), and the threaded pipe (4) is matched with the internal thread (2).
3. A new type of furnace screen for a circulating fluidized bed boiler according to claim 1, characterized in that the size of the cuffs of the reinforcing sleeve (5) is matched to the outer diameter of the first screen tube (1) and the second screen tube (3).
4. The novel furnace hanging screen of the circulating fluidized bed boiler according to claim 1, wherein the side walls of the confinement rings (6) are fixedly connected with convex plates (7) at positions close to the ports, and the side walls of the convex plates (7) are penetrated with first fastening bolts (8).
5. The novel in-furnace hanging screen of a circulating fluidized bed boiler according to claim 1, wherein the top surface of the bottom plate (10) is fixedly connected with a connecting plate (12), and the top surface of the connecting plate (12) is fixedly connected with the bottom surface of the top plate (11).
6. The novel furnace hanging screen of the circulating fluidized bed boiler according to claim 5, wherein the side wall of the connecting plate (12) is provided with a guide groove (13) in a penetrating manner, and the movable plate (14) is matched with the guide groove (13).
7. The novel in-furnace hanging screen of the circulating fluidized bed boiler according to claim 1, wherein the top surface of the movable plate (14) is provided with a stepped groove (16), the top surface of the top plate (11) is provided with a through hole (18) in a penetrating way, and the through hole (18) corresponds to the stepped groove (16).
8. The novel furnace hanging screen of a circulating fluidized bed boiler according to claim 7, wherein a second fastening bolt (17) is arranged in the stepped groove (16), the head of the second fastening bolt (17) is matched with a large notch of the stepped groove (16), the rod part of the second fastening bolt (17) is matched with a small notch of the stepped groove (16), the rod part of the second fastening bolt (17) penetrates through the through hole (18), a nut (19) is arranged on the side wall of the second fastening bolt (17), and the nut (19) is located above the top plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320673180.4U CN219713341U (en) | 2023-03-30 | 2023-03-30 | Novel in-furnace hanging screen of circulating fluidized bed boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320673180.4U CN219713341U (en) | 2023-03-30 | 2023-03-30 | Novel in-furnace hanging screen of circulating fluidized bed boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219713341U true CN219713341U (en) | 2023-09-19 |
Family
ID=88003664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320673180.4U Active CN219713341U (en) | 2023-03-30 | 2023-03-30 | Novel in-furnace hanging screen of circulating fluidized bed boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219713341U (en) |
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2023
- 2023-03-30 CN CN202320673180.4U patent/CN219713341U/en active Active
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