CN216281477U

CN216281477U - Coal injection pipe capable of improving clinker yield

Info

Publication number: CN216281477U
Application number: CN202123017775.4U
Authority: CN
Inventors: 朱璟; 胡国林; 邵维红
Original assignee: Jiangxi Anfu Nanfang Cement Co ltd
Current assignee: Jiangxi Anfu Nanfang Cement Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-04-12
Anticipated expiration: 2031-12-03

Abstract

The utility model discloses a coal injection pipe capable of improving the capacity of clinker, which relates to the technical field of cement kilns and comprises a coal injection pipe main body, wherein the coal injection pipe main body consists of a coal injection bottom pipe, a coal injection end pipe and a plurality of coal injection extension pipes arranged between the coal injection bottom pipe and the coal injection end pipe; through setting up the flabellum cooperation pivot and using, utilize the air current of buggy injection in-process to order about the flabellum and rotate, and then can make the buggy can disperse to spray away to the setting of cooperation annular outlet duct and the shower nozzle of giving vent to anger further carries out the diffusion injection to the buggy, and then can effectively promote the spray regime of buggy, effectively promotes the combustion performance after the buggy sprays, effectively promotes later stage grog productivity, simple structure.

Description

Coal injection pipe capable of improving clinker yield

Technical Field

The utility model relates to the technical field of cement kilns, in particular to a coal injection pipe capable of improving the capacity of clinker.

Background

Cement is a powdered hydraulic inorganic cementitious material. The cement is named according to different types of main hydraulic minerals, mixed materials, purposes and main characteristics of the cement, and is required to be concise and accurate, when the name is too long, the name is allowed to be abbreviated, the name of the main hydraulic minerals of the cement is named by the name of the mixed materials or other proper names, the special cement is named by the special purpose and can be named by different types, and the coal injection pipe is common equipment matched with a burner in cement processing.

The most direct injection of current coal powder injection pipe is sent out at injection buggy operation in-process, and then can make the injection scope less, can influence the combustion performance after the buggy sprays, and be not convenient for carry out adaptability according to the in-service use needs and adjust length, and the function is imperfect.

SUMMERY OF THE UTILITY MODEL

The coal injection pipe capable of improving the clinker yield solves the problems that most of the existing coal injection pipes are directly injected in the coal powder injection operation process, so that the injection range is small, the combustion performance of the injected coal powder is influenced, the length is not convenient to adjust adaptively according to the actual use requirement, and the function is incomplete.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a can improve coal injection pipe of grog productivity, includes coal injection pipe main part, coal injection pipe main part comprises coal injection bottom tube, coal injection end pipe and a plurality of coal injection extension pipe of setting between coal injection bottom tube and coal injection end pipe, between coal injection bottom tube and the adjacent coal injection extension pipe, between coal injection end pipe and the adjacent coal injection extension pipe and be between two adjacent coal injection extension pipes and can dismantle the connection, the left end laminating of coal injection bottom tube is provided with seal gasket, the surface mounting of coal injection end pipe has the fixed block, the bolt is installed to the screw thread on the fixed block, the inside of coal injection end pipe is provided with and is used for blowing off the flabellum of carrying to the grog air current, coal injection kuppe is installed to the right-hand member of coal injection end pipe, install the diffusion unit that is used for cooperating the flabellum to use in the coal injection kuppe.

As a preferred scheme of the utility model, annular holding tanks are respectively arranged on the inner wall of the right end of the coal injection bottom pipe and the inner wall of the right end of the coal injection extension pipe, insertion lantern rings matched with the annular holding tanks are respectively fixed at the left end of the coal injection extension pipe and the left end of the coal injection end pipe, rubber sealing rings are bonded on the outer surfaces of the insertion lantern rings, and the outer surfaces of the rubber sealing rings are bonded with the inner side walls of the annular holding tanks.

As a preferred scheme of the utility model, four through holes are respectively formed in the outer surface of the coal injection bottom pipe and the outer surface of the coal injection extension pipe, a sealing sliding sleeve is clamped on the inner wall of each through hole, a sealing sliding rod is sleeved on the inner wall of the sealing sliding sleeve, a clamping block is fixed at one end of the sealing sliding rod, an extension plate is fixed at the other end of the sealing sliding rod, a spring with two ends respectively connected with the clamping block and the sealing sliding sleeve is sleeved on the outer surface of the sealing sliding rod, a clamping groove for the clamping block to be clamped is formed in the insertion lantern ring, and a channel for the clamping block to pass through is formed in the rubber sealing ring.

As a preferable scheme of the utility model, the extension plate comprises two arc plates installed at the end parts of two sealing slide bars close to each other, the opposite ends of the two arc plates are respectively provided with a clamping part in a staggered manner, and the two clamping parts are connected with the coal injection extension pipe through positioning pins.

As a preferred scheme of the utility model, a plurality of fixed rods are fixedly installed inside the coal injection end pipe, fixed disks are fixed at the end parts of the fixed rods, rotating shafts are rotatably installed on the fixed disks, and four fan blades are installed on the outer surfaces of two ends of the rotating shafts in a staggered manner.

As a preferable scheme of the utility model, the diffusion unit comprises a plurality of mounting blocks arranged in the coal outlet flow guide cover, an annular air outlet pipe arranged on the mounting blocks, a plurality of air outlet nozzles arranged on the annular air outlet pipe, and an air inlet pipe arranged on the annular air outlet pipe and communicated with an air outlet of an external fan.

In the utility model:

the coal injection pipe capable of improving the clinker productivity is used by arranging the fan blades to be matched with the rotating shaft, the fan blades are driven to rotate by utilizing air flow in the coal powder injection process, so that coal powder can be injected in a scattered mode, and the coal powder is further subjected to diffusion injection by matching with the arrangement of the annular air outlet pipe and the air outlet nozzle, so that the injection range of the coal powder can be effectively improved, the combustion performance after the coal powder is injected is effectively improved, the later-stage clinker productivity is effectively improved, and the structure is simple;

this coal injection pipe that can improve grog productivity uses through setting up the cooperation of a plurality of coal injection extension pipe, utilizes to insert the lantern ring and inserts annular holding tank, utilizes the locating pin to order about the arc and drives sealed slide bar and use, and then orders about that the fixture block card is gone into to accomplish in the draw-in groove and fix the equipment of coal injection extension pipe, and packaging structure is simple, convenient to use, be convenient for carry out the adaptability according to the in-service use needs to the overall length of coal injection pipe main part and adjust, and application scope is wide, perfect function diversity.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a right-side cross section of the coal outlet dome of the present invention;

FIG. 3 is a schematic structural view of a coal injection extension pipe according to the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1 at A.

In the figure: 1. a coal injection pipe main body; 2. coal injection bottom pipe; 3. a coal injection end pipe; 4. a coal injection extension pipe; 5. sealing gaskets; 6. a fixed block; 7. a bolt; 8. inserting a collar; 9. a rubber seal ring; 10. sealing the sliding sleeve; 11. sealing the sliding rod; 12. an extension plate; 13. mounting blocks; 14. a clamping block; 15. a spring; 16. an arc-shaped plate; 17. positioning pins; 18. fixing the rod; 19. fixing the disc; 20. a rotating shaft; 21. a fan blade; 22. a coal discharging flow guide sleeve; 23. an annular outlet duct; 24. an air outlet nozzle; 25. an air inlet pipe.

Detailed Description

Examples

Referring to fig. 1-4, the utility model provides a coal injection pipe capable of improving clinker productivity, which comprises a coal injection pipe main body 1, wherein the coal injection pipe main body 1 is composed of a coal injection bottom pipe 2, a coal injection end pipe 3 and a plurality of coal injection extension pipes 4 arranged between the coal injection bottom pipe 2 and the coal injection end pipe 3, the coal injection bottom pipe 2 and the adjacent coal injection extension pipes 4, the coal injection end pipe 3 and the adjacent coal injection extension pipes 4 and the adjacent two coal injection extension pipes 4 are detachably connected, annular holding tanks are respectively arranged on the inner wall of the right end of the coal injection bottom pipe 2 and the inner wall of the right end of the coal injection extension pipe 4, insertion lantern rings 8 matched with the annular holding tanks are fixed at the left ends of the coal injection extension pipes 4 and the left ends of the coal injection end pipes 3, rubber sealing rings 9 are bonded on the outer surfaces of the insertion lantern rings 8, the outer surfaces of the rubber sealing rings 9 are bonded with the inner walls of the annular holding tanks, utilize rubber seal 9's setting can guarantee to insert the good sealing characteristic when lantern ring 8 inserts the annular holding tank, and then make coal injection extension pipe 4 good at the stability of using extension in-process, and guarantee good sealing characteristic.

Four through-holes have been seted up respectively to the surface of coal injection bottom tube 2 and the surface of coal injection extension pipe 4, and through-hole inner wall joint has sealed sliding sleeve 10, sealed sliding sleeve 10 inner wall cover is equipped with sealed slide bar 11, the one end of sealed slide bar 11 is fixed with fixture block 14, the other end of sealed slide bar 11 is fixed with extension board 12, the surface cover of sealed slide bar 11 is equipped with the spring 15 that both ends are connected with fixture block 14 and sealed sliding sleeve 10 respectively, set up the draw-in groove that supplies fixture block 14 card to go into on inserting lantern ring 8, set up the passageway that supplies fixture block 14 to pass on the rubber seal 9, it is fixed to utilize the inside equipment of accomplishing to coal injection extension pipe 4 of fixture block 14 card to go into the draw-in groove, fixed effectual, and operation structure is simple, and spring 15's setting can utilize spring 15 elasticity to unblock fast when later stage is dismantled.

The extension plate 12 comprises two arc plates 16 arranged at the end parts of two mutually-close sealing slide rods 11, the opposite ends of the two arc plates 16 are respectively provided with a clamping part in a staggered manner, the two clamping parts are connected with the coal injection extension pipe 4 through positioning pins 17, the clamping parts on the arc plates 16 are mutually matched for use, and the positioning pins 17 are matched to complete assembly and fixation, so that the fixing effect is good, and the fixation is convenient.

The left end laminating of coal injection bottom tube 2 is provided with seal gasket 5, the surface mounting of coal injection end tube 3 has fixed block 6, threaded mounting has bolt 7 on the fixed block 6, the inside of coal injection end tube 3 is provided with and is used for blowing away the carried flabellum 21 to the grog air current, the inside fixed mounting of coal injection end tube 3 has a plurality of dead lever 18, the end fixing of dead lever 18 has fixed disk 19, rotate on the fixed disk 19 and install pivot 20, the quantity of flabellum 21 is four and four flabellum 21 two liang of mutual dislocation install at the both ends surface of pivot 20, utilize dead lever 18 and fixed disk 19 to support pivot 20, and then support flabellum 21, make flabellum 21 can rotate at the mobility of buggy air current, and then realize the diffusion injection to the buggy.

Coal outlet air guide sleeve 22 is installed to the right-hand member of coal injection end pipe 3, install the diffusion unit that is used for cooperating flabellum 21 to use in the coal outlet air guide sleeve 22 including installing a plurality of installation piece 13 in coal outlet air guide sleeve 22, install annular outlet duct 23 on installation piece 13, install a plurality of shower nozzle 24 of giving vent to anger on annular outlet duct 23, install the intake pipe 25 that just is linked together with external fan air outlet on annular outlet duct 23, utilize annular outlet duct 23 cooperation shower nozzle 24 of giving vent to anger to make gas blow off, and then can say that the buggy further sprays the diffusion.

The working principle is as follows: firstly, a coal injection bottom pipe 2 is installed, the installation of the coal injection bottom pipe 2 is realized by utilizing a bolt 7 and a fixed block 6, then, the coal injection extension pipes 4 with proper quantity are selected to be assembled according to actual working requirements, an inserting lantern ring 8 on each coal injection extension pipe 4 is inserted into a corresponding annular accommodating groove during the assembly, the sealing characteristic is ensured by utilizing a rubber sealing ring 9, a positioning pin 17 is inserted to ensure that the positioning pin 17 passes through two arc-shaped plates 16 to be connected and fixed, the arc-shaped plates 16 drive a sealing slide rod 11 to move, the sealing slide rod 11 drives a clamping block 14 to move to be clamped into the clamping groove and extrude a spring 15 to shrink, the clamping block 14 enters the clamping groove to complete the assembly of the coal injection extension pipes 4, the coal powder injection operation is carried out after the assembly, air flow enters the coal injection extension pipes 4 through the coal injection bottom pipe 2 during the coal powder injection, then enters the coal injection end pipes 3 and drives a fan blade 21 to rotate, and then the fan blade 21 is utilized to carry out the diffusion rotation and injection of the coal powder, meanwhile, an external fan is started to input gas through the gas inlet pipe 25 and then the gas is sprayed out through the annular gas outlet pipe 23 and the gas outlet nozzle 24, so that the diffusion spraying range of the pulverized coal is further improved, and the combustion performance of the pulverized coal after being sprayed is effectively improved.

Claims

1. The coal injection pipe capable of improving the capacity of clinker is characterized by comprising a coal injection pipe main body (1), wherein the coal injection pipe main body (1) is composed of a coal injection bottom pipe (2), a coal injection end pipe (3) and a plurality of coal injection extension pipes (4) arranged between the coal injection bottom pipe (2) and the coal injection end pipe (3), the coal injection bottom pipe (2) and the adjacent coal injection extension pipes (4), the coal injection end pipe (3) and the adjacent coal injection extension pipes (4) and the adjacent two coal injection extension pipes (4) are detachably connected, a sealing gasket (5) is attached to the left end of the coal injection bottom pipe (2), a fixing block (6) is arranged on the outer surface of the coal injection end pipe (3), a bolt (7) is arranged on the fixing block (6) in a threaded manner, fan blades (21) used for blowing and conveying clinker airflow are arranged inside the coal injection end pipe (3), the coal injection device is characterized in that a coal outlet flow guide sleeve (22) is installed at the right end of the coal injection end pipe (3), and a diffusion unit used for being matched with the fan blades (21) is installed in the coal outlet flow guide sleeve (22).

2. The coal injection pipe capable of improving the capacity of clinker according to claim 1, wherein annular receiving grooves are formed in the inner wall of the right end of the coal injection bottom pipe (2) and the inner wall of the right end of the coal injection extension pipe (4), insertion lantern rings (8) matched with the annular receiving grooves are fixed at the left ends of the coal injection extension pipe (4) and the coal injection end pipe (3), rubber sealing rings (9) are bonded to the outer surfaces of the insertion lantern rings (8), and the outer surfaces of the rubber sealing rings (9) are attached to the inner side walls of the annular receiving grooves.

3. The coal injection pipe capable of improving the capacity of clinker according to claim 2, wherein four through holes are respectively formed in the outer surface of the coal injection bottom pipe (2) and the outer surface of the coal injection extension pipe (4), a sealing sliding sleeve (10) is clamped on the inner wall of each through hole, a sealing sliding rod (11) is sleeved on the inner wall of each sealing sliding sleeve (10), a clamping block (14) is fixed at one end of each sealing sliding rod (11), an extension plate (12) is fixed at the other end of each sealing sliding rod (11), a spring (15) with two ends respectively connected with the clamping block (14) and the sealing sliding sleeve (10) is sleeved on the outer surface of each sealing sliding rod (11), a clamping groove for the clamping block (14) to be clamped is formed in the insertion sleeve ring (8), and a channel for the clamping block (14) to pass through is formed in the rubber sealing ring (9).

4. The coal injection pipe capable of improving the capacity of clinker according to claim 3, wherein the extension plate (12) comprises two arc plates (16) installed at the end parts of two sealing slide bars (11) close to each other, the opposite ends of the two arc plates (16) are respectively provided with a clamping part which is staggered with each other, and the two clamping parts are connected with the coal injection extension pipe (4) through a positioning pin (17).

5. The coal injection pipe capable of improving the capacity of clinker according to claim 1, wherein a plurality of fixing rods (18) are fixedly installed inside the coal injection end pipe (3), a fixing disc (19) is fixed at the end of each fixing rod (18), a rotating shaft (20) is rotatably installed on each fixing disc (19), the number of the fan blades (21) is four, and four fan blades (21) are installed on the outer surfaces of two ends of each rotating shaft (20) in a staggered manner.

6. The coal injection pipe capable of improving the capacity of clinker according to claim 1, wherein the diffusion unit comprises a plurality of mounting blocks (13) arranged in a coal outlet guide cover (22), an annular air outlet pipe (23) arranged on the mounting blocks (13), a plurality of air outlet nozzles (24) arranged on the annular air outlet pipe (23), and an air inlet pipe (25) arranged on the annular air outlet pipe (23) and communicated with an air outlet of an external fan.