CN217330748U

CN217330748U - Rotary kiln waste heat recovery device

Info

Publication number: CN217330748U
Application number: CN202123239380.9U
Authority: CN
Inventors: 廖昌海; 谭川; 马磊; 和云鹏; 郭正仙; 梁馨亓
Original assignee: Guizhou Shengzewei Chemical Co ltd
Current assignee: Guizhou Shengzewei Chemical Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-08-30
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses a rotary kiln waste heat recovery device, which relates to the field of rotary kiln production design, and comprises a main body mechanism, a rotary kiln body and a rotary kiln body, wherein the rotary kiln body comprises a base and a kiln body arranged above the base; the driving mechanism is arranged between the base and the kiln body and is used for providing power required by the rotation of the kiln body; the collecting mechanism is arranged outside the kiln body and comprises a heat collecting component and an air draft component arranged inside the heat collecting component, the heat collecting component is used for collecting redundant heat generated when the rotary kiln operates, and the air draft component is used for conveying the heat collected by the collecting component to a required position. The utility model relates to a rotary kiln waste heat recovery device, it is rotatory to drive the kiln body through first motor, can get into inside the combustor after the material, can produce a large amount of heats with the combustor juncture at the kiln body, then the collecting cover can be collected the heat, and flabellum through the second motor drive is rotatory, can discharge the inside heat of collecting cover through hot-blast mode.

Description

Rotary kiln waste heat recovery device

Technical Field

The utility model relates to a rotary kiln production design field, in particular to rotary kiln waste heat recovery device.

Background

At present, the comprehensive utilization of waste heat recovery is developed, the development of circular economy accords with the national industrial policy, the promotion of energy conservation and emission reduction is facilitated, the economic benefit of enterprises is improved, and the environment is improved. The rotary kiln production technology mainly comprises the step of obtaining a final product, namely industrial active lime, through the thermal decomposition of CaCO2 to release CO2, wherein the chemical molecular formula is as follows: CaO, a large amount of heat energy is consumed in the production process. The temperature of the rotary kiln body and the discharged waste gas is higher in the production process of the rotary kiln, and more waste heat is generated.

However, the traditional rotary kiln is not provided with a waste heat recovery device, which causes serious waste of heat energy, and therefore, the rotary kiln waste heat recovery device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotary kiln waste heat recovery device has overcome the not enough of prior art, carries out thermal collection through setting up the thermal-arrest cover in the kiln body and combustor juncture, then uses through hot-blast form.

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

a rotary kiln waste heat recovery device comprises

The main body mechanism comprises a base and a kiln body arranged above the base;

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

the collection mechanism is installed outside the kiln body and comprises a heat collection assembly and an air draft assembly arranged inside the heat collection assembly, the heat collection assembly is used for collecting redundant heat generated when the rotary kiln operates, and the air draft assembly is used for conveying the heat collected by the collection assembly to a required position.

Further, the main body mechanism further comprises a burner, the burner is installed at one end of the kiln body, a support frame is fixedly arranged below the burner, and a feed hopper is fixedly arranged at the top of the kiln body.

Furthermore, the driving mechanism mainly comprises a carrier roller, a first motor and a gear connected with the output end of the first motor, the first motor is installed above the base, a gear ring is installed outside the kiln body, the gear is meshed with the gear ring, the carrier rollers are all installed above the base, two guide rails are fixedly arranged on the outer surface of the kiln body, and the carrier rollers are movably connected with the two guide rails respectively.

Further, the heat collection assembly mainly comprises a heat collection cover and an air guiding pipe welded below the heat collection cover, the heat collection cover is installed outside the kiln body, a plurality of support columns are welded at the bottom of the heat collection cover, and a fixing ring is installed outside the air guiding pipe.

Furthermore, a plurality of reinforcing ribs are welded inside the heat collection cover and are made of corrosion-resistant metal materials.

Further, convulsions subassembly mainly includes the second motor and the flabellum of being connected with second motor output, induced duct inside has set firmly the mounting bracket, the second motor is installed inside the mounting bracket, mounting bracket one side has set firmly the protection casing.

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

the utility model discloses a set up the thermal-arrest cover at the kiln body and carry out thermal collection with combustor juncture, then use through hot-blast form, it is not only convenient, can practice thrift a large amount of energy moreover, accord with modern environmental protection and energy saving theory.

The utility model discloses a plurality of bearing rollers can increase the rotatory stability of device.

The utility model has the characteristics of energy-concerving and environment-protective, stability is high.

Drawings

Fig. 1 is a schematic view of an external integral first visual angle structure of the waste heat recovery device of the rotary kiln of the present invention;

fig. 2 is a schematic view of an external integral second view structure of the waste heat recovery device of the rotary kiln of the present invention;

fig. 3 is a schematic sectional view of the waste heat recovery device of the rotary kiln of the present invention;

fig. 4 is an enlarged schematic view of a partial structure at a position a in fig. 3 of the waste heat recovery device of the rotary kiln of the present invention;

fig. 5 is an enlarged schematic view of a local structure at B in fig. 3 of the waste heat recovery device of the rotary kiln of the present invention.

In the figure: 100. a main body mechanism; 101. a base; 102. a kiln body; 103. a combustion engine; 104. a support frame; 105. a feed hopper; 200. a drive mechanism; 201. a first motor; 202. a gear; 203. a gear ring; 204. a guide rail; 205. carrying rollers; 300. a collection mechanism; 301. a heat collection cover; 302. reinforcing ribs; 303. a support pillar; 304. an induced draft pipe; 305. a fixing ring; 306. a protective cover; 307. a mounting frame; 308. a second motor; 309. a fan blade.

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 as a specific case by those skilled in the art.

Referring to fig. 1-5, the present invention relates to a waste heat recovery device for a rotary kiln, which comprises

The main body mechanism 100 comprises a base 101 and a kiln body 102 arranged above the base 101;

the driving mechanism 200 is arranged between the base 101 and the kiln body 102 and is used for providing power required by the rotation of the kiln body 102;

the collecting mechanism 300 is installed outside the kiln body 102, the collecting mechanism 300 comprises a heat collecting component and an air draft component arranged inside the heat collecting component, the heat collecting component is used for collecting redundant heat generated when the rotary kiln operates, and the air draft component is used for conveying the heat collected by the collecting component to a required position.

When using this recovery unit, add the material inside the kiln body 102 from feeder hopper 105, then start first motor 201, first motor 201 drives the gear 202 rotation of its output, can drive kiln body 102 rotation under the effect of gear 202 and teeth of a cogwheel ring 203 meshing, because kiln body 102 inclines to be placed, the material later can get into inside combustor 103, can produce a large amount of heats at kiln body 102 and combustor 103 juncture, then collect through collecting hood 301, then start second motor 308, second motor 308 drives the flabellum 309 rotation of its output, can discharge the inside heat of collecting hood 301 through hot-blast mode, can provide and use other equipment, and is not only convenient, and can practice thrift a large amount of energy, accord with modern environmental protection and energy saving theory.

In order to facilitate the addition of materials, the main body mechanism 100 further comprises a burner 103, the burner 103 is installed at one end of the kiln body 102, a support frame 104 is fixedly arranged below the burner 103, and a feed hopper 105 is fixedly arranged at the top of the kiln body 102.

The driving mechanism 200 mainly comprises carrier rollers 205, a first motor 201 and a gear 202 connected with the output end of the first motor 201, the first motor 201 is installed above the base 101, a gear ring 203 is installed outside the kiln body 102, the gear 202 is meshed with the gear ring 203, the carrier rollers 205 are all installed above the base 101, two guide rails 204 are fixedly arranged on the outer surface of the kiln body 102, and the carrier rollers 205 are respectively movably connected with the two guide rails 204; the first motor 201 drives the gear 202 at the output end to rotate, and the kiln body 102 can be driven to rotate under the meshing action of the gear 202 and the gear ring 203; the stability during rotation can be increased by means of the idler 205.

In order to facilitate the installation of the heat collection assembly, the heat collection assembly mainly comprises a heat collection cover 301 and an induced draft tube 304 welded below the heat collection cover 301, the heat collection cover 301 is installed outside the kiln body 102, a plurality of support columns 303 are welded at the bottom of the heat collection cover 301, and a fixing ring 305 is installed outside the induced draft tube 304.

In order to increase the strength of the heat collection cover 301, a plurality of reinforcing ribs 302 are welded inside the heat collection cover 301, and the plurality of reinforcing ribs 302 are made of corrosion-resistant metal materials.

In order to facilitate the heat transportation, the air draft assembly mainly comprises a second motor 308 and fan blades 309 connected with the output end of the second motor 308, a mounting rack 307 is fixedly arranged inside the induced air pipe 304, the second motor 308 is arranged inside the mounting rack 307, and a protective cover 306 is fixedly arranged on one side of the mounting rack 307; the second motor 308 drives the fan blades 309 at the output end to rotate, so that heat inside the heat collection cover 301 can be discharged in a hot air mode and can be provided for other equipment.

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 201 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. A rotary kiln waste heat recovery device is characterized in that: comprises that

The main body mechanism (100) comprises a base (101) and a kiln body (102) arranged above the base (101);

the driving mechanism (200) is arranged between the base (101) and the kiln body (102) and is used for providing power required by the rotation of the kiln body (102); the driving mechanism (200) mainly comprises carrier rollers (205), a first motor (201) and a gear (202) connected with the output end of the first motor (201), the first motor (201) is installed above the base (101), a gear ring (203) is installed outside the kiln body (102), the gear (202) is meshed with the gear ring (203), the carrier rollers (205) are all installed above the base (101), two guide rails (204) are fixedly arranged on the outer surface of the kiln body (102), and the carrier rollers (205) are respectively movably connected with the two guide rails (204);

the collecting mechanism (300) is arranged outside the kiln body (102), the collecting mechanism (300) comprises a heat collecting component and an air draft component arranged inside the heat collecting component, the heat collecting component is used for collecting redundant heat generated when the rotary kiln operates, and the air draft component is used for conveying the heat collected by the collecting component to a required position; the heat collection assembly mainly comprises a heat collection cover (301) and an air guide pipe (304) welded below the heat collection cover (301), the heat collection cover (301) is installed outside the kiln body (102), a plurality of support columns (303) are welded at the bottom of the heat collection cover (301), and a fixing ring (305) is installed outside the air guide pipe (304); convulsions subassembly mainly includes second motor (308) and flabellum (309) of being connected with second motor (308) output, induced duct (304) inside has set firmly mounting bracket (307), second motor (308) are installed inside mounting bracket (307), mounting bracket (307) one side has set firmly protection casing (306).

2. The waste heat recovery device of the rotary kiln as claimed in claim 1, wherein: the main body mechanism (100) further comprises a burner (103), the burner (103) is installed at one end of the kiln body (102), a support frame (104) is fixedly arranged below the burner (103), and a feed hopper (105) is fixedly arranged at the top of the kiln body (102).

3. The waste heat recovery device of the rotary kiln as claimed in claim 1, wherein: a plurality of reinforcing ribs (302) are welded in the heat collection cover (301), and the plurality of reinforcing ribs (302) are made of corrosion-resistant metal materials.