CN215675273U - Feeding device of chain grate boiler - Google Patents
Feeding device of chain grate boiler Download PDFInfo
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- CN215675273U CN215675273U CN202122312467.8U CN202122312467U CN215675273U CN 215675273 U CN215675273 U CN 215675273U CN 202122312467 U CN202122312467 U CN 202122312467U CN 215675273 U CN215675273 U CN 215675273U
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- reciprocating screw
- screw rod
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Abstract
The utility model discloses a feeding device of a traveling grate boiler, which comprises: the reciprocating screw rod is rotatably mounted on the shell, a mounting cavity for mounting the reciprocating screw rod is formed in the shell, a plurality of cutting pieces are fixedly connected to the reciprocating screw rod, a filter plate is fixedly mounted in the shell, and the reciprocating screw rod is rotatably connected with the filter plate; the fixed sleeve is in threaded connection with the reciprocating screw rod, and the fixed sleeve is fixedly connected with an extrusion plate; and the rotating mechanism comprises a rotating rod which is rotatably connected with the shell. The utility model can separate the powdery fuel and the block fuel, prevents the fuel from being compacted on the filter plate, has no great resistance to air, is beneficial to the smooth entering of the air into a combustion area, avoids the anoxic combustion of the fuel and improves the combustion efficiency of the fuel.
Description
Technical Field
The utility model relates to the technical field of boiler equipment, in particular to a feeding device of a chain grate boiler.
Background
At present, in order to implement the concept of energy conservation and environmental protection, the recovered fuel is advocated to be used as the raw material for boiler combustion, so that a large amount of energy can be saved.
However, since the recycled fuel particles are not uniform, part of powdered fuel and part of blocky fuel exist, the mixed fuel is directly put into the hopper and is conveyed and combusted through the grate, the fuel is easily compacted, the resistance of the dense fuel to air is large, the air is inhibited from entering a combustion area, the fuel is subjected to anoxic combustion, and the combustion efficiency of the fuel is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the following defects in the prior art, namely, the feeding device of the chain grate boiler is provided for solving the problems that the reclaimed fuel particles are not uniform, part of powdered fuel and part of block fuel exist, the mixed fuel is directly put into a hopper and is conveyed and combusted through a grate, the fuel is easy to compact, the resistance of the compact fuel to air is high, the air is inhibited from entering a combustion area, the fuel is subjected to anoxic combustion, and the combustion efficiency of the fuel is reduced.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a kind of chain grate stoker boiler feeding device, the said chain grate stoker boiler feeding device includes:
the reciprocating screw rod is rotatably mounted on the shell, a mounting cavity for mounting the reciprocating screw rod is formed in the shell, a plurality of cutting pieces are fixedly connected to the reciprocating screw rod, a filter plate is fixedly mounted in the shell, and the reciprocating screw rod is rotatably connected with the filter plate;
the fixed sleeve is in threaded connection with the reciprocating screw rod, and the fixed sleeve is fixedly connected with an extrusion plate;
the rotating mechanism comprises a rotating rod connected with the shell in a rotating mode, a rotating block is fixedly connected to the rotating rod, and a sieve plate which is arranged in an inclined mode is arranged in the shell.
Preferably, the fixing sleeve is fixedly connected with a limiting block, and the shell is provided with a limiting groove for limiting the limiting block to rotate.
Preferably, a torsion spring is fixedly connected to the rotating rod, and one end of the rotating rod and the inner wall of the shell are fixedly connected through the torsion spring.
Preferably, two scraping pieces are fixedly connected to the reciprocating screw rod, and each scraping piece is used for preventing fuel from adhering to the filter plate.
Preferably, a connecting pipe is fixedly connected to the shell, and the shell and the connecting pipe are communicated with each other.
Preferably, fixed mounting has two inlet pipes on the casing, two the inlet pipe is the symmetry and sets up on the casing.
Compared with the prior art, the utility model has the beneficial effects that:
after the reciprocating screw rod rotates, the rotary cutting piece can cut massive fuel, the scraping piece can prevent the fuel from being compacted on the surface of the filter plate, massive fuel and powdery fuel which are cut to be proper in size directly pass through the filter plate and fall onto the filter plate, the extrusion plate is stably arranged below the filter plate and can perform stable vertical reciprocating movement, the extrusion plate can move downwards against the rotating block in the moving process and continuously contacts with the filter plate along with the rotating block, so that the filter plate can vibrate, the fuel and the filter plate can be more favorably separated, the powdery fuel can be blown into the connecting pipe under the action of the fan, the massive fuel can fall to the lower position in the shell, the powdery fuel and the massive fuel can be separated, the fuel is prevented from being compacted on the filter plate, the resistance of the fuel to air cannot be large, and the air can smoothly enter a combustion area, the fuel is prevented from being burnt in an oxygen-deficient way, and the burning efficiency of the fuel is improved.
Drawings
FIG. 1 is a schematic front view of a feeding device for a traveling grate boiler according to the present invention;
FIG. 2 is a schematic view of a feeding device of a traveling grate boiler according to the present invention in a partial cross-sectional view;
fig. 3 is a schematic front sectional structural view of a feeding device of a traveling grate boiler according to the present invention.
In the figure: the device comprises a shell 1, a feeding pipe 2, a connecting pipe 3, a sieve plate 4, a rotating rod 5, a filter plate 6, a fixed sleeve 7, a reciprocating screw rod 8, a cutting piece 9, a limiting block 10, a fan 11, an extrusion plate 12, a scraping piece 13, a mounting cavity 14, a torsion spring 15 and a rotating block 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
The terms "upper", "lower", "left", "right", "middle" and "one" used in the present invention are for clarity of description, and are not used to limit the scope of the present invention, and the relative relationship between the terms and the modifications may be regarded as the scope of the present invention without substantial technical change.
Referring to fig. 1 to 3, a feeding device for a traveling grate boiler, the feeding device for the traveling grate boiler comprises: the fuel cutting device comprises a shell 1 and a fan 11, a reciprocating screw rod 8 is rotatably installed on the shell 1, a mounting cavity 14 for installing the reciprocating screw rod 8 is formed in the shell 1, a plurality of cutting blades 9 are fixedly connected to the reciprocating screw rod 8, two inlet pipes 2 are fixedly installed on the shell 1, the two inlet pipes 2 are symmetrically arranged on the shell 1, because the two inlet pipes 2 are symmetrically arranged, fuel is put into the shell 1 through the two inlet pipes 2, the fuel can uniformly enter the shell 1 and can be cut more conveniently to block-shaped fuel, a filter plate 6 is fixedly installed in the shell 1, the reciprocating screw rod 8 is rotatably connected with the filter plate 6, two scraping blades 13 are fixedly connected to the reciprocating screw rod 8, each scraping blade 13 is used for preventing the fuel from being adhered to the filter plate 6, when the reciprocating screw rod 8 rotates, the scraping blades 13 can also rotate along with the reciprocating screw rod, and the scraping blades 13 are tightly attached to the surface of the filter plate 6 to rotate, the scraping blade 13 can prevent the fuel from being compacted on the surface of the filter plate 6, and is more favorable for separating the blocky fuel from the powdery fuel, the connecting pipe 3 is fixedly connected on the shell 1, and the shell 1 and the connecting pipe 3 are mutually communicated.
Under the action of the fan 11, the powdery fuel can be blown into the connecting pipe 3, and the powdery fuel enters the combustion chamber through the connecting pipe 3 to be combusted, so that the powdery fuel and the blocky fuel are separately combusted; the fixed sleeve 7 is in threaded connection with the reciprocating screw rod 8, the extrusion plate 12 is fixedly connected to the fixed sleeve 7, the limiting block 10 is fixedly connected to the fixed sleeve 7, the limiting groove used for limiting the limiting block 10 to rotate is formed in the shell 1, one end of the limiting block 10 is fixedly connected with the fixed sleeve 7, and the other end of the limiting block is arranged in the limiting groove in a sliding mode, so that the extrusion plate 12 fixedly connected to the fixed sleeve 7 can only stably move vertically and reciprocally below the filter plate 6; slewing mechanism, slewing mechanism includes the dwang 5 of being connected with casing 1 rotation, fixedly connected with turning block 16 on the dwang 5, be provided with the sieve 4 that is the slope setting in the casing 1, fixedly connected with torsion spring 15 on the dwang 5, torsion spring 15 keeps away from the one end and the 1 inner wall fixed connection of casing of dwang 5, because 15 both ends of torsion spring respectively with dwang 5, and the inner wall fixed connection of casing 1, take place relative pivoted in-process at dwang 5 and casing 1, torsion spring 15 will take place deformation.
In the utility model, firstly, a servo motor and a fan 11 are switched on, because one end of a reciprocating screw rod 8 is fixedly connected with the driving end of the servo motor, the reciprocating screw rod 8 can rotate under the driving action of the servo motor, a cutting blade 9 and a scraping blade 13 which are fixedly connected on the reciprocating screw rod 8 can rotate simultaneously, mixed fuel is added into a shell 1 through a feeding pipe 2 on the shell 1, the rotating cutting blade 9 can cut large fuel, the scraping blade 13 can prevent the fuel from being compacted on the surface of a filter plate 6, the blocky fuel and the powdery fuel which are cut into proper sizes directly pass through the filter plate 6 and fall onto the filter plate 4, because the reciprocating screw rod 8 is only positioned at a part of the lower part of the filter plate 6, a spiral groove is formed and a limiting piece is arranged, and a fixed sleeve 7 is in threaded connection with the part with the spiral groove, one end of the limiting block 10 is fixedly connected with the fixed sleeve 7, and the other end is slidably arranged in the limiting groove, so that the extrusion plate 12 fixedly connected with the fixed sleeve 7 can only stably move vertically and reciprocally under the filter plate 6, and the extrusion plate 12 can contact with the rotating block 16 and move downwards against the rotating block 16 in the moving process, the rotating rod 5 and the rotating block 16 can rotate, because the two ends of the torsion spring 15 are respectively fixedly connected with the rotating rod 5 and the inner wall of the shell 1, the torsion spring 15 can deform, the rotating block 16 can contact with the sieve plate 4 in the rotating process, and along with the continuous contact with the sieve plate 4 of the rotating block 16, under the action of the action force of the rotating block 16, the sieve plate 4 can vibrate, which is more beneficial to the separation of fuel and the sieve plate 4, and under the action of the fan 11, the powdery fuel can be blown into the connecting pipe 3, the lower position department in casing 1 will be fallen to cubic fuel to can separate powdered fuel and cubic fuel, prevent the fuel compaction on filter 6, the fuel just can not be very big to the resistance of air, is favorable to the smooth entering combustion area of air in, has avoided the fuel oxygen deficiency burning, has improved the combustion efficiency of fuel.
In the present invention, the terms "mounted," "connected," "secured," and the like are to be construed broadly unless otherwise specifically indicated and limited.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The feeding device of the traveling grate boiler is characterized by comprising:
the reciprocating screw rod type air conditioner comprises a shell (1) and a fan (11), wherein a reciprocating screw rod (8) is rotatably mounted on the shell (1), a mounting cavity (14) for mounting the reciprocating screw rod (8) is formed in the shell (1), a plurality of cutting sheets (9) are fixedly connected to the reciprocating screw rod (8), a filter plate (6) is fixedly mounted in the shell (1), and the reciprocating screw rod (8) is rotatably connected with the filter plate (6);
the fixed sleeve (7) is in threaded connection with the reciprocating screw rod (8), and an extrusion plate (12) is fixedly connected to the fixed sleeve (7);
slewing mechanism, slewing mechanism include with casing (1) rotates dwang (5) of connecting, fixedly connected with turning block (16) on dwang (5), be provided with sieve (4) that are the slope and set up in casing (1).
2. The feeding device of the traveling grate stoker boiler as recited in claim 1, wherein a stopper (10) is fixedly connected to said fixed sleeve (7), and a stopper groove for limiting the rotation of said stopper (10) is formed in said housing (1).
3. The feeding device of the traveling grate boiler of claim 1, wherein a torsion spring (15) is fixedly connected to the rotating rod (5), and one end of the torsion spring (15) far away from the rotating rod (5) is fixedly connected to the inner wall of the housing (1).
4. Feeding device for a traveling grate boiler according to claim 1, characterized in that two scrapers (13) are fixedly connected to said reciprocating screw (8), each of said scrapers (13) being adapted to prevent fuel from adhering to said filter plate (6).
5. The feeding device of the traveling grate boiler of claim 1, wherein the housing (1) is fixedly connected with a connecting pipe (3), and the housing (1) and the connecting pipe (3) are communicated with each other.
6. The feeding device of the traveling grate boiler of claim 1, wherein two feeding pipes (2) are fixedly installed on the housing (1), and the two feeding pipes (2) are symmetrically arranged on the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122312467.8U CN215675273U (en) | 2021-09-24 | 2021-09-24 | Feeding device of chain grate boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122312467.8U CN215675273U (en) | 2021-09-24 | 2021-09-24 | Feeding device of chain grate boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215675273U true CN215675273U (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122312467.8U Active CN215675273U (en) | 2021-09-24 | 2021-09-24 | Feeding device of chain grate boiler |
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| CN (1) | CN215675273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115638431A (en) * | 2022-10-10 | 2023-01-24 | 嘉善东都节能技术有限公司 | Flue gas waste heat recovery structure applied to biomass boiler and method thereof |
-
2021
- 2021-09-24 CN CN202122312467.8U patent/CN215675273U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115638431A (en) * | 2022-10-10 | 2023-01-24 | 嘉善东都节能技术有限公司 | Flue gas waste heat recovery structure applied to biomass boiler and method thereof |
| CN115638431B (en) * | 2022-10-10 | 2023-06-02 | 嘉善东都节能技术有限公司 | Flue gas waste heat recovery structure and method applied to biomass boiler |
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