CN111156828A

CN111156828A - Cooling device for clinker in grate cooler

Info

Publication number: CN111156828A
Application number: CN201811327723.7A
Authority: CN
Inventors: 羊华
Original assignee: Nanjing Ruitai Cement Manufacturing Equipment Co ltd
Current assignee: Nanjing Ruitai Cement Manufacturing Equipment Co ltd
Priority date: 2018-11-08
Filing date: 2018-11-08
Publication date: 2020-05-15

Abstract

The invention discloses a clinker cooling device in a grate cooler, which comprises a grate cooler shell, wherein a blast port is fixedly arranged on one side of the upper end of the grate cooler shell, an air inlet pipe is fixedly arranged at the upper end of the blast port, an air blower is fixedly arranged on one side, close to the blast port, of the upper end of the grate cooler shell through a mounting seat, the air outlet end of the air blower is fixedly connected with the air inlet end of the blast port through the air inlet pipe, an air outlet is fixedly arranged on one side, far away from the blast port, of the upper end of the grate cooler shell, an air outlet pipe is fixedly arranged at the upper end of the air outlet, a plurality of heat conduction pipes are fixedly arranged in the middle of the upper end. The invention has good use effect, can not only carry out the clinker in the grate cooler through air cooling, but also quickly take away the heat of the clinker in the grate cooler through water flow, and has good cooling effect and high cooling speed.

Description

Cooling device for clinker in grate cooler

Technical Field

The invention relates to the technical field of cooling of grate coolers, in particular to a clinker cooling device in a grate cooler.

Background

The grate cooler is a commonly used cooler at present, clinker enters the cooler from a kiln, a material layer with a certain thickness is paved on a grate plate, cold air is blown in to penetrate through the material layer moving on the grate bed in the mutually perpendicular direction to quench the clinker, the clinker can be quenched from 1300 plus one grain at 1400 ℃ to below 100 ℃, but most of the currently used grate coolers are cooled by air cooling, the cooling time needs several minutes, even tens of minutes, the cooling speed is slow, and meanwhile, when hot air after heat absorption flows out of the device, heat preservation measures are lacked, so that a large amount of heat loss is caused before the hot air is utilized, and unnecessary waste is caused.

Disclosure of Invention

The invention aims to provide a clinker cooling device in a grate cooler, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a clinker cooling device in a grate cooler comprises a grate cooler shell, wherein a blast port is fixedly arranged on one side of the upper end of the grate cooler shell, an air inlet pipe is fixedly arranged at the upper end of the blast port, an air blower is fixedly arranged on one side, close to the blast port, of the upper end of the grate cooler shell through a mounting seat, an air outlet end of the air blower is fixedly connected with an air inlet end of the blast port through the air inlet pipe, an air outlet is fixedly arranged on one side, far away from the blast port, of the upper end of the grate cooler shell, an air outlet pipe is fixedly arranged at the upper end of the inner side of the grate cooler shell, a plurality of heat conduction fin plates are fixedly arranged on the outer side surfaces of the heat conduction pipes, a water pump is fixedly arranged at the middle part of the upper end of the grate cooler shell through the mounting seat, one side fixed mounting that the water pump is close to the water tank has the inlet tube, the end of intaking of water pump passes through inlet tube and water tank fixed connection.

Preferably, the air-out pipe is kept away from the one end fixed mounting of air outlet and is provided with flange, air-out outside of tubes fixed surface is provided with the heat preservation, makes things convenient for the external pipeline of air-out pipe through flange, and the heat preservation can prevent that hot-air from scattering and disappearing too much heat when passing through the air-out pipe.

Preferably, the one end and the water tank fixed connection of water pump are kept away from to the outlet pipe for water can form a circulation through water pump, outlet pipe, inlet tube, reduces the waste of water resource.

Preferably, one side fixed mounting that the water tank upper end is close to the water pump has a water injection pipe, there is sealed lid water injection pipe upper end through screw thread movable mounting, a plurality of louvres have been seted up to the inside upper end lateral wall of water tank, opens sealed lid and can supply cooling water in to the water tank through the water injection pipe, and the louvre can give off the heat in the aquatic external world fast.

Preferably, the water outlet pipe is attached to the heat conduction fin plate, and more heat can be taken away from the heat conduction fin plate by water flow through the mutual attachment between the water outlet pipe and the heat conduction fin plate.

Preferably, the heat conduction pipe is made of an iron material, the iron material is good in heat conduction performance and high in melting point, and the heat conduction pipe cannot be melted when used in the grate cooler.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, water in the water tank is sprayed into the water outlet pipe through the water pump, water flows around the heat conduction fin plate through the water outlet pipe, and a large amount of heat can be taken away from the heat conduction fin plate while the water flows, so that the purposes of cooling are further achieved, and the cooling rate of the device is increased.

2. According to the invention, the heat loss of hot air when passing through the air outlet pipe can be effectively reduced through the heat insulation layer arranged on the outer surface of the air outlet pipe, and the heat in the air can be introduced into the heat exchange unit under the condition of little loss, so that the purpose of saving energy is achieved.

Drawings

FIG. 1 is a schematic view of the overall structure of a clinker cooling device in a grate cooler according to the invention;

FIG. 2 is a side view of a clinker cooling device in the grate cooler of the present invention;

FIG. 3 is a top view of a clinker cooling device in the grate cooler of the present invention.

In the figure: 1. a grate cooler shell; 2. a tuyere; 3. an air inlet pipe; 4. a blower; 5. an air outlet; 6. an air outlet pipe; 601. a connecting flange; 602. a heat-insulating layer; 7. a heat conducting pipe; 8. a heat conductive fin plate; 9. a water pump; 10. a water outlet pipe; 11. a water tank; 12. a water inlet pipe; 13. a water injection pipe; 14. a sealing cover; 15. and (4) heat dissipation 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.

Referring to fig. 1-3, the present invention provides a technical solution: a clinker cooling device in a grate cooler comprises a grate cooler shell 1, wherein a blast port 2 is fixedly arranged on one side of the upper end of the grate cooler shell 1, an air inlet pipe 3 is fixedly arranged on the upper end of the blast port 2, an air blower 4 is fixedly arranged on one side, close to the blast port 2, of the upper end of the grate cooler shell 1 through a mounting seat, the air outlet end of the air blower 4 is fixedly connected with the air inlet end of the blast port 2 through the air inlet pipe 3, an air outlet 5 is fixedly arranged on one side, far away from the blast port 2, of the upper end of the grate cooler shell 1, an air outlet pipe 6 is fixedly arranged on the upper end of the air outlet 5, a plurality of heat conduction pipes 7 are fixedly arranged in the middle of the upper end of the inner side of the grate cooler shell 1, a plurality of heat conduction fin plates 8 are fixedly arranged on the outer side surfaces of the plurality of heat conduction pipes 7, a water tank 11 is fixedly arranged between the water pump 9 and the air outlet 5 at the upper end of the grate cooler shell 1, a water inlet pipe 12 is fixedly arranged on one side, close to the water tank 11, of the water pump 9, and the water inlet end of the water pump 9 is fixedly connected with the water tank 11 through the water inlet pipe 12.

A connecting flange 601 is fixedly installed at one end of the air outlet pipe 6 far away from the air outlet 5, a heat preservation layer 602 is fixedly arranged on the surface of the outer side of the air outlet pipe 6, the connecting flange 601 is used for facilitating the external pipeline of the air outlet pipe 6, the heat preservation layer 602 can prevent the hot air from dissipating excessive heat when passing through the air outlet pipe 6, one end of the water outlet pipe 10 far away from the water pump 9 is fixedly connected with the water tank 11, so that water can form a circulation through the water pump 9, the water outlet pipe 10 and the water inlet pipe 12, the waste of water resources is reduced, a water injection pipe 13 is fixedly installed at one side of the upper end of the water tank 11 close to the water pump 9, a sealing cover 14 is movably installed at the upper end of the water injection pipe 13 through threads, a plurality of heat dissipation holes 15 are formed in the side wall of the upper, the water outlet pipe 10 and the heat conduction fin plate 8 are mutually attached, more heat can be taken away from the heat conduction fin plate 8 by water flow through the mutual attachment between the water outlet pipe 10 and the heat conduction fin plate 8, the heat conduction pipe 7 is made of an iron material, the iron material is good in heat conduction performance, the melting point is high, and the heat conduction pipe cannot be melted when the heat conduction pipe is used in the grate cooler.

The working principle is as follows: after clinker is injected into the grate cooler shell 1, the clinker is paved into a raw material layer with a certain thickness in the grate cooler, then the blower 4 is turned on, air is blown into the grate cooler shell 1 by the blower 4 through the air inlet pipe 3 and the air outlet 2, the blown air passes through the interior of the grate cooler shell 1 and flows out from the air outlet 5, the blown air can rapidly take away a large amount of heat of the clinker so as to achieve the purpose of cooling the clinker, the clinker enters the interior of the grate cooler shell 1, the heat conduction pipe 7 and the heat conduction fin plate 8 can also begin to absorb heat, at the moment, the water pump 9 can be turned on, so that the water in the water tank 11 flows around the heat conduction fin plate 8 through the water outlet pipe 10 and finally flows back into the water tank 11, a large amount of heat can be taken away from the heat conduction fin plate 8 while water flows, thereby further achieving the purpose of cooling and improving the cooling rate, after water flows back to the water tank 11, when the water flows back to the water tank 11 and is evaporated due to overhigh temperature, new cooling water can be injected into the water tank 11 through the water injection pipe 13, hot air exhausted through the air outlet 5 contains a large amount of heat, the hot air can be connected with a heat exchange unit through the connecting flange 601 so as to achieve the purpose of replacing the heat in the hot air, and meanwhile, the heat loss can be reduced through the heat insulation layer 602 when the hot air passes through the air outlet pipe 6, so that the working principle of the cooling device for clinker in the grate cooler is realized.

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

1. A clinker cooling device in a grate cooler is a grate cooler shell (1), and is characterized in that: the grate cooler is characterized in that a blast port (2) is fixedly arranged on one side of the upper end of a grate cooler shell (1), an air inlet pipe (3) is fixedly arranged on the upper end of the blast port (2), an air blower (4) is fixedly arranged on one side, close to the blast port (2), of the upper end of the grate cooler shell (1) through a mounting seat, the air outlet end of the air blower (4) is fixedly connected with the air inlet end of the blast port (2) through the air inlet pipe (3), an air outlet (5) is fixedly arranged on one side, far away from the blast port (2), of the upper end of the grate cooler shell (1), an air outlet pipe (6) is fixedly arranged on the upper end of the air outlet (5), a plurality of heat conduction pipes (7) are fixedly arranged in the middle of the upper end of the inner side of the grate cooler shell (1), a plurality of heat conduction fin plates (8, one end fixed mounting that air outlet (5) were kept away from in water pump (9) has outlet pipe (10), fixed mounting has water tank (11) between grate cooler casing (1) upper end water pump (9) and air outlet (5), one side fixed mounting that water pump (9) are close to water tank (11) has inlet tube (12), the end of intaking of water pump (9) passes through inlet tube (12) and water tank (11) fixed connection.

2. The clinker cooling device in the grate cooler as claimed in claim 1, wherein: one end of the air outlet pipe (6) far away from the air outlet (5) is fixedly provided with a connecting flange (601), and the outer side surface of the air outlet pipe (6) is fixedly provided with a heat preservation layer (602).

3. The clinker cooling device in the grate cooler as claimed in claim 1, wherein: and one end of the water outlet pipe (10) far away from the water pump (9) is fixedly connected with the water tank (11).

4. The clinker cooling device in the grate cooler as claimed in claim 1, wherein: one side fixed mounting that water tank (11) upper end is close to water pump (9) has water injection pipe (13), there is sealed lid (14) water injection pipe (13) upper end through screw movable mounting, a plurality of louvres (15) have been seted up to the inside upper end lateral wall of water tank (11).

5. The clinker cooling device in the grate cooler as claimed in claim 1, wherein: the water outlet pipe (10) and the heat conduction fin plate (8) are mutually attached.

6. The clinker cooling device in the grate cooler as claimed in claim 1, wherein: the heat conduction pipe (7) is made of an iron material.