CN213335479U

CN213335479U - Rotary kiln hood air cooling device

Info

Publication number: CN213335479U
Application number: CN202022090375.5U
Authority: CN
Inventors: 李峥辉; 白杨; 王超
Original assignee: Henan Hongji Mine Machinery Co ltd
Current assignee: Henan Hongji Mine Machinery Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-06-01
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a kiln head air cooling device of a rotary kiln, which comprises a kiln head cover and a kiln body, wherein the kiln head cover covers one end of the kiln body and also comprises an air cooling cover and an air cooling sleeve; the cold air hood is an arc hood with the radian more than or equal to one third of the kiln body, a support is arranged at the bottom of the cold air hood, an air inlet pipe is arranged at the bottom of the hood body and connected to an air cooler, and the cold air hood is arranged at the bottom of the kiln body; the cold air sleeve is arranged as an annular sleeve, radiating fins are arranged in the cold air sleeve, and the cold air sleeve is arranged at the front end of the kiln hood cover and is opposite to the cold air cover; the problem of the temperature of current rotary kiln head end too high, ordinary cold wind cover hardly plays the guard action is solved.

Description

Rotary kiln hood air cooling device

Technical Field

The utility model relates to a general mechanical equipment manufacturing technology, concretely relates to rotary kiln hood air cooling device.

Background

The temperature of the rotary kiln is usually higher when the rotary kiln works, the temperature is more than 1000 ℃, which is common, especially at the kiln head end, because most of heat supply devices are arranged at the kiln head end, the excessive temperature can cause great damage to the cylinder at the kiln head end, the protection effect is difficult to be realized only by the cold air jacket on the cylinder, the heat supply temperature is reduced, the working temperature at the tail end of the kiln can not be ensured, and the process requirement can not be met. Therefore, the kiln head end is independently cooled so as to prolong the service life of the kiln head end cylinder.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotary kiln hood air cooling device solves the high temperature of current rotary kiln hood end, and ordinary cold wind cover hardly plays the problem of guard action.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a kiln head air cooling device of a rotary kiln comprises a kiln head cover and a kiln body, wherein the kiln head cover is covered at one end of the kiln body, and the kiln head air cooling device also comprises an air cooling cover and a cold air sleeve; the air cooling cover is an arc cover with the radian more than or equal to one third of the kiln body, a support is arranged at the bottom of the air cooling cover, an air inlet pipe is arranged at the bottom of the cover body and connected to an air cooler, and the air cooling cover is arranged at the bottom of the kiln body; the cold air jacket is arranged to be an annular sleeve, radiating fins are arranged in the cold air jacket, and the cold air jacket is arranged at the front end of the kiln head cover and is over against the air cooling cover.

Further, the cooling fin includes the cooling fin mainboard, first heating panel and second heating panel, the cooling fin mainboard sets up to two heating panels and fixed the setting in the cold air jacket, first heating panel is fixed to be set up at the upper and lower both ends of cooling fin mainboard, the fixed setting in the centre at first heating panel of second heating panel.

Further, the number of the radiating fins around the kiln body is more than 20.

Furthermore, more than 20 spray heads are arranged on the air cooling cover and face the radiating fins.

Furthermore, a wind collecting cover is arranged between the end face of the kiln head cover and the cold air sleeve, the wind collecting cover is arranged on the tail of the cold air sleeve and the end face of the kiln head cover, balls are arranged at the joint of the tail of the cold air sleeve and the end face of the kiln head cover, and an air outlet pipe connected to the fan is arranged on one side of the wind collecting cover.

Furthermore, the radiating fins are obliquely arranged in the opposite direction of the rotation of the kiln body.

Furthermore, the bottom of the air collecting cover is provided with a water outlet pipe connected to a waste water discharge position.

Compared with the prior art, the beneficial effects of the utility model are that:

the device is as shown in the figure and has been add the forced air cooling cover and has assisted the forced air cooling, and the device lower extreme is connected the air-cooler, blows the effect in order to play the cooling to the cold wind cover of the kiln body through this forced air cooling cover to the cold wind that the fan provided, just so can reduce the temperature of kiln head end barrel under the condition that does not influence technological requirement, increases its life, has solved the problem that the temperature of current rotary kiln head end is too high, and ordinary cold wind cover hardly plays the guard action.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the structure from a-a direction of the present invention.

Fig. 3 is a schematic view of the structure from B-B direction of the present invention.

Fig. 4 is a schematic view of the structure of the heat sink of the present invention.

In the figure, 1-an air cooling cover, 2-a cold air sleeve, 3-a kiln head cover, 4-a wind collecting cover, 5-a roller, 6-a kiln body, 7-a radiating fin, 8-a spray head, 9-an air inlet pipe, 10-a water outlet pipe, 11-an air outlet pipe, 12-a bracket, 71-a radiating fin main board, 72-a first radiating plate and 73-a second radiating plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1:

the kiln head air cooling device of the rotary kiln comprises a kiln head cover 3 and a kiln body 6, wherein the kiln head cover 3 covers one end of the kiln body 6, and further comprises an air cooling cover 1 and a cold air sleeve 2; because the kiln body 6 of the rotary kiln is always in rotation, the air cooling cover 1 is arranged into an arc cover with the radian more than or equal to one third of the kiln body 6 and is not required to be arranged around the kiln body 6 completely, so that the energy is saved. The bottom of the air cooling cover 1 is provided with a bracket 12 for supporting the air cooling cover, the bottom of the cover body is provided with an air inlet pipe 9 which is connected to an air cooler for providing cold air, and the air cooling cover 1 is arranged at the bottom of the kiln body 6; the cold wind cover 2 is arranged to be an annular sleeve, the cooling fins 7 are arranged in the cold wind cover 2, the cold wind cover 2 is arranged at the front end of the kiln head cover 3 and just faces the air cooling cover 1, and the air cooler provides cold wind to blow the cooling fins 7 in the cold wind cover 2 to assist in cooling. This device is shown in the figure and has been add air-cooled cover 1 and has assisted the forced air cooling, and the air-cooler is connected to the device lower extreme, blows the effect in order to play the cooling to kiln body 6's cold wind cover 2 through this air-cooled cover 1 to the cold wind that the fan provided, just so can reduce the temperature of kiln head end barrel under the condition that does not influence technological requirement, increases its life, has solved the high temperature of current rotary kiln head end, and ordinary cold wind cover hardly plays the problem of guard action.

Example 2:

on the basis of the above embodiment, in order to facilitate heat dissipation, specifically, the heat sink 7 includes a heat sink main board 71, a first heat sink 72 and a second heat sink 73, the heat sink main board 71 is provided as two heat sinks and is fixedly disposed in the cold air jacket 2, the first heat sink 72 is fixedly disposed at the upper and lower ends of the heat sink main board 71, and the second heat sink 73 is fixedly disposed in the middle of the first heat sink 72, so that heat dissipation is facilitated.

Example 3:

on the basis of the above embodiment, in order to facilitate heat dissipation, specifically, the number of the heat dissipation fins 7 around the kiln body 6 is set to be greater than 20, and specifically, the size of the kiln body is set.

Example 4:

on the basis of the above embodiments, in order to facilitate heat dissipation, more than 20 nozzles 8 are arranged on the air cooling cover 1 and face the heat dissipation fins 7, so as to conveniently form an air curtain to better dissipate heat of the kiln body.

Example 5:

on the basis of the above embodiment, in order to prevent the heat-carrying wind from being emitted in the environment, a wind collecting cover 4 is arranged between the end surface of the kiln head cover 3 and the cold wind sleeve 2, the wind collecting cover 4 covers the tail of the cold wind sleeve 2 and the end surface of the kiln head cover 3, balls 5 are arranged at the joint of the tail of the cold wind sleeve 2 and the end surface of the kiln head cover 3 of the wind collecting cover 4, and an air outlet pipe 11 connected to the fan is arranged on one side of the wind collecting cover 4. In this embodiment, the cold air sprayed from the nozzle 8 passes through the heat sink 7 to take away the heat from the heat sink, and then the heat-carrying air is drawn out through the air-collecting hood 4 to exchange heat.

Example 6:

in this embodiment, in addition to the above-described embodiments, if necessary, cold air with moisture may be sprayed to the heat radiating fins 7, and the heat radiating fins 7 may be inclined in the direction opposite to the rotation direction of the kiln body 6 in order to prevent the moisture from accumulating and flowing.

Example 7:

in the present embodiment based on the above embodiment, in order to collect the accumulated moisture, the bottom of the wind collecting cover 4 is provided with a water outlet pipe 10 connected to the waste water discharge point of the workshop.

Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a rotary kiln hood wind cooling device, includes kiln hood cover (3) and the kiln body (6), and kiln hood cover (3) is established in the one end of the kiln body (6), its characterized in that: the air cooling device also comprises an air cooling cover (1) and a cold air sleeve (2); the air cooling cover (1) is an arc cover with the radian more than or equal to one third of the kiln body (6), a support (12) is arranged at the bottom of the air cooling cover (1), an air inlet pipe (9) is arranged at the bottom of the cover body and connected to an air cooler, and the air cooling cover (1) is arranged at the bottom of the kiln body (6); the cold air jacket (2) is arranged to be an annular sleeve, radiating fins (7) are arranged in the cold air jacket (2), and the cold air jacket (2) is arranged at the front end of the kiln head cover (3) and is just opposite to the air cooling cover (1).

2. The rotary kiln head wind cooling device according to claim 1, characterized in that: the cooling fin (7) comprises a cooling fin main board (71), a first cooling plate (72) and a second cooling plate (73), the cooling fin main board (71) is provided with two cooling plates and is fixedly arranged in the cold air sleeve (2), the first cooling plate (72) is fixedly arranged at the upper end and the lower end of the cooling fin main board (71), and the second cooling plate (73) is fixedly arranged in the middle of the first cooling plate (72).

3. The rotary kiln head wind cooling device according to claim 1, characterized in that: the number of the radiating fins (7) is more than 20 around the kiln body (6).

4. The rotary kiln head wind cooling device according to claim 1, characterized in that: more than 20 spray heads (8) are arranged on the air cooling cover (1) and face the radiating fins (7).

5. The rotary kiln head wind cooling device according to claim 1, characterized in that: a wind collecting cover (4) is arranged between the end face of the kiln head cover (3) and the cold wind sleeve (2), the wind collecting cover (4) covers the tail of the cold wind sleeve (2) and the end face of the kiln head cover (3), balls (5) are arranged at the joint of the tail of the cold wind sleeve (2) and the end face of the kiln head cover (3) of the wind collecting cover (4), and an air outlet pipe (11) connected to a fan is arranged on one side of the wind collecting cover (4).

6. The rotary kiln head wind cooling device according to claim 1, characterized in that: the radiating fins (7) are obliquely arranged in the opposite direction of the rotation of the kiln body (6).

7. The rotary kiln head wind cooling device according to claim 5, characterized in that: the bottom of the wind collecting cover (4) is provided with a water outlet pipe (10) connected to a waste water discharge position.