CN112229227A

CN112229227A - Push-down grate cooler for cement

Info

Publication number: CN112229227A
Application number: CN202010925453.0A
Authority: CN
Inventors: 谢红珍
Original assignee: Yangzhou Zhongkuang Machine Co ltd
Current assignee: Yangzhou Zhongkuang Machine Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-01-15

Abstract

The invention discloses a push-rod type grate cooler for cement, which comprises a grate cooler body, a filter plate and a gas receiving pipe, wherein a connecting plate is installed on one side of the outer wall of the grate cooler body, a driving motor is installed on the upper surface of the connecting plate, an output shaft of the driving motor penetrates through a shell and is connected with a connecting shaft through a coupler, the other end of the connecting shaft penetrates through a bearing on the grate cooler body, supporting plates B are installed on two sides of the outer wall of the grate cooler body, a tension spring is installed on the upper surface of each supporting plate B, a supporting plate A is installed on the other end of each tension spring, a U-shaped clamping plate is installed on the upper surface of each supporting plate A, and two ends of the filter plate penetrate through the. The invention reduces the cooling time of the clinker in the grate cooler and improves the cooling efficiency of the clinker by arranging a series of structures, thereby having better practicability.

Description

Push-down grate cooler for cement

Technical Field

The invention relates to the technical field of grate coolers, in particular to a push rod type grate cooler for cement.

Background

The grate cooler is an important host machine device in a clinker firing system of a cement plant, and has the main functions of cooling and conveying cement clinker; meanwhile, hot air is provided for a rotary kiln, a decomposing furnace and the like, and the rotary kiln, the decomposing furnace and the like are main equipment for heat recovery of a firing system, a traditional grate cooler is divided into three types, namely a rotary type cooler, a vibrating type cooler and a pushing type cooler, but the former two types are eliminated, the pushing type grate cooler is a main cement clinker cooler matched and selected for use in the decomposing kiln outside the kiln, a grate bed is a main part of the cooler, and the pushing grate plate consists of a row of fixed grate plates and a row of movable grate plates which are arranged at intervals; however, the contact area between clinker and cold air of the existing push rod type grate cooler is low, the cooling efficiency is not high, and the production efficiency of the subsequent processing of the clinker is reduced, so that certain improvement is needed.

Disclosure of Invention

The invention aims to provide a push rod type grate cooler for cement, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a push rod type grate cooler for cement comprises a grate cooler body, a filter plate and an air receiving pipe, wherein a connecting plate is installed on one side of the outer wall of the grate cooler body, a driving motor is installed on the upper surface of the connecting plate, an output shaft of the driving motor penetrates through a shell to be connected with a connecting shaft through a coupler, the other end of the connecting shaft penetrates through a bearing on the grate cooler body, supporting plates B are installed on two sides of the outer wall of the grate cooler body, a tension spring is installed on the upper surface of each supporting plate B, a supporting plate A is installed at the other end of the tension spring, a U-shaped clamping plate is installed on the upper surface of each supporting plate A, two ends of the filter plate penetrate through the grate cooler body and are in clearance connection with the U-shaped clamping plate through a U-shaped groove in the U-shaped clamping, the other ends of the air inlet pipe A and the air inlet pipe B penetrate through the grate cooler body and are connected with the air collecting cover through the joints.

Preferably, a grate plate is arranged in the grate cooler body, and a feeding rod is arranged on the upper surface of the grate plate.

Preferably, a discharge groove is formed in one side of the bottom of the inner wall of the grate cooler body.

Preferably, the filter plate is provided with filter holes, and the outer wall of the connecting shaft is provided with a stirring paddle.

Preferably, limiting plates B are installed on two sides of the upper surface of the supporting plate B, limiting plates A are installed on two sides of the lower surface of the supporting plate A, and the supporting plate B is in clearance connection with the limiting plates A on the lower surface of the supporting plate A through the limiting plates B on the upper surface.

Preferably, the upper surface of the grate cooler body is provided with a feed hopper.

Compared with the prior art, the invention has the beneficial effects that: clinker is put into the grate cooler body through the feeding hopper, an output shaft of a driving motor is connected with a connecting shaft through a coupler, the driving motor can drive the connecting shaft to rotate, a stirring paddle on the connecting shaft breaks up clinker entering the inside of the grate cooler body, the contact area of the clinker and air is increased to dissipate heat, the broken clinker falls onto a filter plate below, the clinker on the filter plate is driven by a vibrator to shake and dissipate heat, the contact area of the clinker and the air is increased to dissipate heat, the clinker falls downwards through a filter hole on the filter plate, an external cold air pipeline is connected through an air receiving pipe to blow cold air to the falling clinker through an air inlet pipe A and an air inlet pipe B, and the cooling efficiency of the clinker is improved. The invention reduces the cooling time of the clinker in the grate cooler and improves the cooling efficiency of the clinker by arranging a series of structures, thereby having better practicability.

Drawings

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

FIG. 2 is a rear view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

fig. 4 is a schematic view of the structure of the filter plate of the present invention.

In the figure: 1. a grate cooler body; 2. a drive motor; 3. a connecting plate; 4. a vibrator; 5. a filter plate; 6. an air inlet pipe A; 7. a joint; 8. a wind collecting cover; 9. a feeding rod; 10. a grid plate; 11. an air inlet pipe B; 12. a discharge chute; 13. a gas receiving pipe; 14. a three-way joint; 15. a connecting shaft; 16. a stirring paddle; 17. a feed hopper; 18. a coupling; 19. a U-shaped clamping plate; 20. a support plate A; 21. a limiting plate A; 22. a tension spring; 23. a support plate B; 24. a limiting plate B; 25. and (4) filtering holes.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, an embodiment of the present invention is shown: a push rod type grate cooler for cement comprises a grate cooler body 1, a filter plate 5 and a gas receiving pipe 13, wherein one side of the outer wall of the grate cooler body 1 is provided with a connecting plate 3, the upper surface of the connecting plate 3 is provided with a driving motor 2, an output shaft of the driving motor 2 penetrates through a shell to be connected with a connecting shaft 15 through a coupler 18, the other end of the connecting shaft 15 penetrates through a bearing on the grate cooler body 1, two sides of the outer wall of the grate cooler body 1 are respectively provided with a supporting plate B23, the upper surface of a supporting plate B23 is provided with a tension spring 22, the other end of the tension spring 22 is provided with a supporting plate A20, the upper surface of a supporting plate A20 is provided with a U-shaped clamping plate 19, two ends of the filter plate 5 penetrate through a U-shaped groove on the grate cooler body 1 to be in clearance connection with the U-shaped clamping plate 19, the, the other ends of the air inlet pipe A6 and the air inlet pipe B11 penetrate through the grate cooler body 1 and are connected with the air collecting cover 8 through the joint 7, a grate plate 10 is arranged in the grate cooler body 1, a feeding rod 9 is arranged on the upper surface of the grate plate 10, a discharging groove 12 is arranged on one side of the bottom of the inner wall of the grate cooler body 1, a filtering hole 25 is arranged on the filtering plate 5, a stirring paddle 16 is arranged on the outer wall of the connecting shaft 15, limiting plates B24 are arranged on two sides of the upper surface of a supporting plate B23, limiting plates A21 are arranged on two sides of the lower surface of the supporting plate A20, the supporting plate B23 is in clearance connection with a limiting plate A21 on the lower surface of the supporting plate A20 through a limiting plate B24 on the upper surface, a feeding hopper 17 is arranged on the upper surface of the grate cooler body 1, clinker is thrown into, the stirring paddles 16 on the connecting shaft 15 scatter clinker entering the interior of the grate cooler body 1, increase the contact area of the clinker and air for heat dissipation, the scattered clinker falls on the lower filter plate 5, the vibrator 4 drives the clinker on the filter plate 5 to shake for heat dissipation, increase the contact area of the clinker and air for heat dissipation, the clinker falls downwards through the filter holes 25 on the filter plate 5, the air receiving pipe 13 is communicated with an external air cooling pipeline to blow air to the dropped clinker through the air inlet pipe A6 and the air inlet pipe B11 for heat dissipation, and the cooling efficiency of the clinker is improved.

The working principle is as follows: when the clinker aggregate cooling device is used, an external power supply needs to be connected, clinker aggregate is thrown into the grate cooler body 1 through the feed hopper 17, an output shaft of the driving motor 2 is connected with the connecting shaft 15 through the coupler 18, the driving motor 2 is started to drive the connecting shaft 15 to rotate, the stirring paddles 16 on the connecting shaft 15 scatter the clinker aggregate entering the interior of the grate cooler body 1, the contact area of the clinker aggregate and air is increased to dissipate heat, the scattered clinker aggregate falls onto the filter plate 5 below, the vibrator 4 drives the clinker aggregate on the filter plate 5 to shake and dissipate heat, the contact area of the clinker aggregate and air is increased to dissipate heat, the clinker aggregate falls downwards through the filter holes 25 on the filter plate 5, the air receiving pipe 13 is connected with an external air cooling pipeline, so that air is blown to dissipate heat of the falling clinker aggregate through the air inlet pipe A6 and the air.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a push-down grate cooler to cement, includes cold quick-witted body (1), filter (5) of combing and connects trachea (13), its characterized in that: the grate cooler is characterized in that a connecting plate (3) is installed on one side of the outer wall of a grate cooler body (1), a driving motor (2) is installed on the upper surface of the connecting plate (3), an output shaft of the driving motor (2) penetrates through a shell to be connected with a connecting shaft (15) through a coupler (18), the other end of the connecting shaft (15) penetrates through a bearing on the grate cooler body (1), supporting plates B (23) are installed on two sides of the outer wall of the grate cooler body (1), a tension spring (22) is installed on the upper surface of each supporting plate B (23), a supporting plate A (20) is installed on the other end of each tension spring (22), a U-shaped clamping plate (19) is installed on the upper surface of each supporting plate A (20), two ends of a filtering plate (5) penetrate through the grate cooler body (1) and are in clearance connection with the U-shaped clamping plate (19) through a U, one end of the air receiving pipe (13) is connected with the air inlet pipe A (6) and the air inlet pipe B (11) through a three-way joint (14), and the other ends of the air inlet pipe A (6) and the air inlet pipe B (11) penetrate through the grate cooler body (1) and are connected with the air collecting cover (8) through a joint (7).

2. The push rod type grate cooler for cement according to claim 1, characterized in that: a grate plate (10) is arranged in the grate cooler body (1), and a feeding rod (9) is arranged on the upper surface of the grate plate (10).

3. The push rod type grate cooler for cement according to claim 1, characterized in that: a discharge groove (12) is arranged on one side of the bottom of the inner wall of the grate cooler body (1).

4. The push rod type grate cooler for cement according to claim 1, characterized in that: the filter plate (5) is provided with filter holes (25), and the outer wall of the connecting shaft (15) is provided with a stirring paddle (16).

5. The push rod type grate cooler for cement according to claim 1, characterized in that: limiting plate B (24) are all installed to backup pad B (23) upper surface both sides, limiting plate A (21) are all installed to backup pad A (20) lower surface both sides, limiting plate B (24) and the limiting plate A (21) clearance connection of backup pad A (20) lower surface are passed through to backup pad B (23).

6. The push rod type grate cooler for cement according to claim 1, characterized in that: the upper surface of the grate cooler body (1) is provided with a feed hopper (17).