CN216482329U

CN216482329U - Hot air cover for recovering heat energy of rotary kiln

Info

Publication number: CN216482329U
Application number: CN202123279326.7U
Authority: CN
Inventors: 蒋峰; 李正安; 曹勇军; 王照清; 王俊猛; 和云鹏
Original assignee: Guizhou Shengzewei Chemical Co ltd
Current assignee: Guizhou Shengzewei Chemical Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-05-10
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a hot air cover for recovering heat energy of a rotary kiln, which relates to the field of rotary kiln production design, and comprises a supporting mechanism and a base; the driving mechanism is arranged above the base and used for providing power required by the rotation of the rotary kiln; and the feeding and discharging mechanism is arranged at two ends of the supporting mechanism and comprises a feeding and discharging assembly and a heat energy recovery assembly arranged above the feeding and discharging assembly, the feeding and discharging assembly is used for controlling the material to enter and exit, and the heat energy recovery assembly is used for recycling heat energy generated in the rotary kiln operation process. The utility model relates to a hot-blast cover for rotary kiln retrieves heat energy from the feed inlet to the inside material that adds of shell, it is rotatory to drive the shell through first motor, and the inside material of shell can fall down from the discharge gate and accomplish the ejection of compact, and it is rotatory to drive the flabellum of its output through the second motor, can make the inside steam of kiln head carry kiln tail position along the recovery tube and carry out reuse, has reduced the consumption of natural gas.

Description

Hot air cover for recovering heat energy of rotary kiln

Technical Field

The utility model relates to a rotary kiln production design field, in particular to a hot-blast cover for rotary kiln heat recovery.

Background

The rotary kiln is a rotary calcining kiln, and belongs to building material equipment. Rotary kilns can be divided into cement kilns, metallurgical chemical kilns and lime kilns according to the different materials to be treated. The cement kiln is mainly used for calcining cement clinker. The metallurgical chemical kiln is mainly used for magnetizing and roasting lean iron ore in steel plants in the metallurgical industry; oxidizing and roasting chromium and nickel iron ores; roasting bauxite in a refractory material plant, roasting clinker in an aluminum plant and aluminum hydroxide; roasting chromium ore sand, chromium ore powder and other minerals in a chemical plant. The lime kiln is used for roasting active lime and light-burned dolomite used in steel plants and iron alloy plants.

However, the energy consumption of the traditional rotary kiln is large, so that the cost is very high when the rotary kiln is used, and therefore, a hot air cover for recovering heat energy of the rotary kiln is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hot-blast cover for rotary kiln retrieves heat energy has overcome the not enough of prior art, and it is rotatory to drive the flabellum through the motor, can carry kiln tail reuse with the unnecessary heat energy of kiln head, has reduced the quantity of natural gas.

In order to solve the above problems, the utility model adopts the following technical proposal:

a hot air hood for recovering heat energy in rotary kiln comprises

A support mechanism comprising a base;

the driving mechanism is arranged above the base and used for providing power required by the rotation of the rotary kiln;

the feeding and discharging mechanism is installed at two ends of the supporting mechanism and comprises a feeding and discharging assembly and a heat energy recovery assembly arranged above the feeding and discharging assembly, the feeding and discharging assembly is used for controlling materials to enter and exit, and the heat energy recovery assembly is used for recycling heat energy generated in the rotary kiln operation process.

Further, the supporting mechanism still includes the shell, the shell surface has set firmly two slide rails, a plurality of bearings are installed to the base top, and is a plurality of install the supporting wheel in the middle of the bearing, it is a plurality of the supporting wheel respectively with two slide rail swing joint.

Further, actuating mechanism mainly includes first motor and the gearbox of being connected with first motor output, the base top has set firmly the supporting seat, first motor is installed in the supporting seat top, the gear is installed to gearbox one side, the shell surface sets firmly the ring gear, gear and ring gear meshing.

Further, go up unloading subassembly mainly includes first support frame and sets up the kiln tail in first support frame top, kiln tail and shell one end swing joint, the kiln tail top sets firmly the feed inlet.

Further, go up unloading subassembly still includes the second support frame and sets up the kiln head in second support frame top, kiln head and shell other end swing joint, kiln head bottom sets firmly the discharge gate.

Further, the heat energy recovery subassembly mainly includes recovery tube, second motor and the flabellum of being connected with second motor output, kiln head top has set firmly the vent, the vent is inside to be set firmly the mounting bracket, the second motor is installed inside the mounting bracket, the recovery tube both ends respectively with vent top and kiln tail top.

Compared with the prior art, the utility model, following beneficial effect has:

the utility model discloses a, the heat heated air that kiln head department distributed out utilizes the second motor to drive the flabellum rotation and sends into the rotary kiln once more hot-blast, has improved the temperature in the kiln, has reduced the consumption of natural gas.

The utility model discloses a gearbox can be convenient for adjust the rotational speed of first motor, has increased the stability when the rotary kiln moves.

The utility model has the characteristics of the energy consumption is low, stability is high.

Drawings

FIG. 1 is a schematic view of an overall first perspective structure of a hot air hood for recycling heat energy in a rotary kiln according to the present invention;

FIG. 2 is a schematic view of an overall second perspective structure of a hot air hood for recycling heat energy in a rotary kiln according to the present invention;

FIG. 3 is a schematic cross-sectional view of a hot air hood for recycling heat energy in a rotary kiln according to the present invention;

FIG. 4 is an enlarged view of the portion A of the hot air hood for recycling heat energy in a rotary kiln of the present invention shown in FIG. 2;

fig. 5 is an enlarged schematic view of a part of the structure at B in fig. 3 of the hot air hood for recycling heat energy in a rotary kiln according to the present invention.

In the figure: 100. a support mechanism; 101. a base; 102. a bearing; 103. a support wheel; 104. a slide rail; 105. a housing; 200. a drive mechanism; 201. a supporting seat; 202. a first motor; 203. a gearbox; 204. a gear; 205. a gear ring; 300. a feeding and discharging mechanism; 301. a first support frame; 302. a kiln tail; 303. a feed inlet; 304. a second support frame; 305. a kiln head; 306. a discharge port; 307. a vent; 308. a second motor; 309. a mounting frame; 310. a fan blade; 311. and (7) recovering the pipe.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made 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, and for example, "connected" may be either fixedly connected or 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention relates to a hot air cover for recovering heat energy in a rotary kiln, which comprises

A support mechanism 100 including a base 101;

the driving mechanism 200 is arranged above the base 101 and used for providing power required by the rotation of the rotary kiln;

and the feeding and discharging mechanism 300 is arranged at two ends of the supporting mechanism 100, the feeding and discharging mechanism 300 comprises a feeding and discharging assembly and a heat energy recovery assembly arranged above the feeding and discharging assembly, the feeding and discharging assembly is used for controlling the material to enter and exit, and the heat energy recovery assembly is used for recycling heat energy generated in the rotary kiln operation process.

When using this rotary kiln, through the inside material that adds of feed inlet 303 to shell 105, then start first motor 202, first motor 202 drives gear 204 rotatory through gearbox 203, under the effect of gear 204 and ring of teeth 205 meshing, can drive shell 105 rotatory, because shell 105 inclines to place, the effect of cooperation rotation, the inside material of shell 105 can fall from discharge gate 306 and accomplish the ejection of compact, can produce a large amount of steam when rotary kiln operation, start second motor 308, second motor 308 drives the flabellum 310 rotation of its output, can make the inside steam of kiln head 305 carry kiln tail 302 position along recovery tube 311 and carry out reuse, the consumption of natural gas has been reduced.

In order to assist the rotation of the housing 105 during supporting, the supporting mechanism 100 further comprises the housing 105, two sliding rails 104 are fixedly arranged on the outer surface of the housing 105, a plurality of bearings 102 are arranged above the base 101, supporting wheels 103 are arranged in the middles of the bearings 102, and the supporting wheels 103 are respectively movably connected with the two sliding rails 104; under the action of the movable connection between the supporting wheel 103 and the sliding rail 104, the supporting wheel 103 can play both a supporting role and an auxiliary rotation role.

In order to provide power required by rotation of the housing 105, the driving mechanism 200 mainly includes a first motor 202 and a gear box 203 connected to an output end of the first motor 202, a supporting seat 201 is fixedly arranged above the base 101, the first motor 202 is arranged above the supporting seat 201, a gear 204 is arranged on one side of the gear box 203, a gear ring 205 is fixedly arranged on an outer surface of the housing 105, and the gear 204 is meshed with the gear ring 205; when the first motor 202 is activated, the first motor 202 rotates the gear 204 through the gear box 203, and the housing 105 is rotated by the gear 204 engaging with the gear ring 205.

In order to facilitate the addition of materials, the feeding and discharging assembly mainly comprises a first support frame 301 and a kiln tail 302 arranged above the first support frame 301, the kiln tail 302 is movably connected with one end of the shell 105, and a feeding hole 303 is fixedly arranged at the top of the kiln tail 302.

In order to facilitate the collection of the materials, the feeding and discharging assembly further comprises a second support frame 304 and a kiln head 305 arranged above the second support frame 304, the kiln head 305 is movably connected with the other end of the shell 105, and a discharge hole 306 is fixedly arranged at the bottom of the kiln head 305.

In order to reduce the consumption of natural gas, the heat energy recovery component mainly comprises a recovery pipe 311, a second motor 308 and fan blades 310 connected with the output end of the second motor 308, a vent 307 is fixedly arranged above the kiln head 305, a mounting frame 309 is fixedly arranged inside the vent 307, the second motor 308 is mounted inside the mounting frame 309, and two ends of the recovery pipe 311 are respectively arranged above the vent 307 and above the kiln tail 302; the second motor 308 drives the fan blades 310 at the output end to rotate, so that hot air inside the kiln head 305 can be conveyed to the kiln tail 302 along the recovery pipe 311 for recycling.

In order to control the equipment conveniently, the equipment is also provided with a PLC control system, and the PLC control system respectively controls the forward and reverse rotation and the rotation angle of the first motor 202 and the second motor 308; the circuit structure and the control principle of the PLC control system are prior art, and are not described in detail in this application.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a hot-blast cover for rotary kiln retrieves heat energy which characterized in that: comprises that

A support mechanism (100) comprising a base (101);

the driving mechanism (200) is arranged above the base (101) and is used for providing power required by the rotation of the rotary kiln;

go up unloading mechanism (300), it is installed in supporting mechanism (100) both ends, go up unloading mechanism (300) including going up the unloading subassembly and set up the heat recovery subassembly in last unloading subassembly top, go up the unloading subassembly and be used for controlling the business turn over of material, heat recovery subassembly is used for the heat energy reuse who produces in the rotary kiln operation process.

2. A hot air hood for a rotary kiln for recovering heat energy according to claim 1, wherein: the supporting mechanism (100) further comprises a shell (105), two sliding rails (104) are fixedly arranged on the outer surface of the shell (105), a plurality of bearings (102) are installed above the base (101), a plurality of supporting wheels (103) are installed in the middle of the bearings (102), and the supporting wheels (103) are movably connected with the two sliding rails (104) respectively.

3. A hot air hood for a rotary kiln for recovering heat energy according to claim 2, wherein: actuating mechanism (200) mainly include first motor (202) and gearbox (203) of being connected with first motor (202) output, base (101) top has set firmly supporting seat (201), install in supporting seat (201) top first motor (202), gear (204) are installed to gearbox (203) one side, shell (105) surface has set firmly pinion ring (205), gear (204) and pinion ring (205) meshing.

4. A hot air hood for a rotary kiln for recovering heat energy according to claim 2, wherein: the feeding and discharging assembly mainly comprises a first support frame (301) and a kiln tail (302) arranged above the first support frame (301), the kiln tail (302) is movably connected with one end of the shell (105), and a feeding hole (303) is fixedly formed in the top of the kiln tail (302).

5. A hot air hood for recycling heat energy in a rotary kiln according to claim 4, wherein: the feeding and discharging assembly further comprises a second support frame (304) and a kiln head (305) arranged above the second support frame (304), the kiln head (305) is movably connected with the other end of the shell (105), and a discharging hole (306) is fixedly formed in the bottom of the kiln head (305).

6. A hot air hood for a rotary kiln for recovering heat energy according to claim 5, wherein: the heat energy recovery subassembly mainly includes recovery tube (311), second motor (308) and flabellum (310) of being connected with second motor (308) output, kiln head (305) top has set firmly vent (307), vent (307) inside has set firmly mounting bracket (309), second motor (308) are installed inside mounting bracket (309), recovery tube (311) both ends respectively with vent (307) top and kiln tail (302) top.