CN204185155U - A kind of masts type hanging apparatus lifting kiln heat recovery boiler - Google Patents

Abstract

The utility model relates to a mast-type hoisting device for hoisting a waste heat boiler in a cement kiln, which mainly includes a mast rotating support, a mast, a lifting pulley block, a direction-changing pulley block, a luffing pulley block, a guide pulley block, a steel wire rope and a hoisting unit, and the mast rotating support is installed. On the tower column at the end of the cement kiln, the mast rotating support and the mast hinge are installed on the mast with a pulley block connecting the hanging plate, and the pulley block connecting hanging plate is equipped with a lifting pulley block, a luffing pulley a, a left changing pulley a, and a right changing pulley Pulley b, the left direction changing pulley a', the right direction changing pulley b' and the luffing pulley a' are installed on the beam of the cement kiln tail tower, the guide pulley block is installed at the bottom of the column of the cement kiln tail tower, the lifting pulley block of the mast The ground hoisting unit is connected, and the mast and the corresponding direction-changing and luffing pulleys on the beam of the cement kiln tail tower are connected with the ground hoisting unit; Difficulty, high cost of hoisting, and great potential safety hazards.

Description

A mast type hoisting device for hoisting cement kiln waste heat boiler

technical field

The utility model relates to the field of hoisting of cement kiln pure low-temperature waste heat power generation engineering equipment, in particular to a mast type hoisting device for hoisting a cement kiln waste heat boiler.

Background technique

The temperature of the exhaust gas discharged from the flue gas pipe of the preheater at the kiln tail of the cement production line is generally about 340 degrees. The waste heat boiler installed at the kiln tail can generate pure low-temperature and low-pressure superheated steam, which can be converted into electrical energy when sent to the turbogenerator unit. The power generation production The technology is relatively mature. The installation of waste heat boiler at the kiln end generally has the disadvantages of narrow construction site, high installation position, and construction while the cement production line is being produced. In the prior art, the method of hoisting the waste heat boiler of a cement kiln is to use a large crane or a tower crane; the problems of this method are: the difficulty of entering the large hoisting equipment, the high cost of hoisting, and the great potential safety hazard. New requirements were raised.

Contents of the invention

The purpose of this utility model is to improve the above shortcomings and provide a mast-type hoisting device for hoisting cement kiln waste heat boiler with simple structure and convenient installation, which can facilitate the hoisting equipment and machinery of cement kiln waste heat boiler.

The specific scheme of the utility model is a mast-type hoisting device for hoisting waste heat boilers in cement kilns, which is characterized in that it mainly includes a mast rotating support, a mast, a lifting pulley block, a direction-changing pulley block, a luffing pulley block, a guide pulley block, a steel wire rope and The hoisting unit, the mast rotating support is installed on the tower column at the end of the cement kiln, the mast rotating support is hinged with one end of the mast, and the other end of the mast is installed with a pulley block connected to the hanging plate. The pulley block is connected to the hanging plate in a cross shape. The head end connected to the hanging plate is provided with a lifting pulley block, the tail end of the pulley block connected with the hanging plate is provided with a luffing pulley a, the left end of the pulley block connected with the hanging plate is provided with a left direction changing pulley a, and the right end of the pulley block connected with the hanging plate is provided with a right changing pulley. Reversing pulley b, the left reversing pulley a', the right reversing pulley a' and the right reversing pulley corresponding to the left reversing pulley a, right reversing pulley b and luffing pulley a are installed on the crossbeam of the tower at the end of the cement kiln. The pulley b' and the luffing pulley a', the bottom end of the column of the cement kiln tail tower is equipped with a guide pulley block, the mast and the direction changing and luffing pulleys on the beam of the cement kiln tail tower correspond to each other to form a direction changing pulley block and a luffing pulley Pulley block, the lifting pulley block on the mast goes down the mast through a steel wire rope and is connected with the ground hoisting unit by the guide pulley block, and the corresponding direction-changing and luffing pulley blocks on the mast and the beam of the cement kiln tail tower pass the steel wire rope along the cement kiln. The tower column at the kiln tail is connected with the ground hoist unit by the guide pulley block.

The above-mentioned mast-type hoisting device for hoisting the waste heat boiler of a cement kiln is characterized in that: the diameter of the mast is φ325-φ426mm, and the length is 25×30m.

The above-mentioned mast-type hoisting device for hoisting the waste heat boiler of a cement kiln is characterized in that: the mast is divided into three sections, and each section is connected by high-strength bolt flanges.

The mast-type hoisting device for hoisting the waste heat boiler of a cement kiln is characterized in that: the hoisting pulley block is composed of a heavy-duty lifting hook pulley block and a light-loading lifting hook pulley block.

The above-mentioned mast-type hoisting device for hoisting the waste heat boiler of a cement kiln is characterized in that: the ground hoisting unit is composed of a hoisting hoist, a luffing hoist and a steering hoist.

The utility model has the advantages of simple structure and convenient installation, which solves the problems of difficult access of large-scale hoisting equipment, high hoisting cost, and great safety hazards existing in the hoisting of the existing cement kiln waste heat boiler, and can effectively reduce construction costs, improve work efficiency, and ensure construction safety.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Figure 2 is an enlarged view of the direction A of Figure 1;

Fig. 3 is an enlarged view taken along direction B of Fig. 1 .

In the figure, 1-mast rotating support, 2-mast, 3-wire rope, 4-guide pulley block, 5-left changing pulley a, 6-right changing pulley b, 7-luffing pulley a, 8-hoisting unit , 9- pulley block connecting hanging plate, 10- cement kiln tail tower column, 11- cement kiln tail tower beam, 12- heavy lifting hook pulley block, 13 light lifting hook pulley block, 14- bolt flange, 15- Left changing pulley a', 16-right changing pulley b', 17-luffing pulley a'.

Detailed ways

Referring to Fig. 1-3, the utility model is a mast-type hoisting device for hoisting the waste heat boiler of a cement kiln, which mainly includes a mast rotating support 1, a mast 2, a lifting pulley block, a direction changing pulley block, a luffing pulley block, a guide pulley block 4, and a steel wire rope 3 and hoist unit 8, the mast rotating support 1 is installed on the column 10 of the cement kiln tail tower, the mast rotating support 1 is hinged with one end of the mast 2, and the other end of the mast 2 is equipped with a pulley block connected to the hanging plate 9, the The pulley block is connected to the hanging plate 9 in a cross shape, the head end of the pulley block connecting the hanging plate 9 is provided with a lifting pulley block, the tail end of the pulley block connecting the hanging plate 9 is provided with a luffing pulley a7, and the left end of the pulley block connecting hanging plate 9 is provided with a left direction change The pulley a5, the right end of the pulley block connecting the hanging plate 9 is provided with the right changing pulley b6, and the left changing pulley a5, the right changing pulley b6 and the changing The amplitude pulley a7 corresponds to the left direction changing pulley a'15, the right direction changing pulley b'16 and the luffing pulley a'17. The bottom end of the cement kiln tail tower column 10 is equipped with a guide pulley block 4. The mast 2 and the cement kiln The direction-changing and luffing pulleys on the beam 11 of the kiln tail tower correspond to each other to form a direction-changing pulley block and a luffing pulley block. The hoisting pulley block on the mast 2 passes through the steel wire rope 3 and goes down the mast 2 from the guide pulley block 4 and the ground winch unit. 8 connection, the mast 2 and the corresponding direction changing and luffing pulley blocks on the cement kiln tail tower beam 11 are connected by the guide pulley block 4 and the ground winch unit 8 through the steel wire rope 3 along the cement kiln tail tower column 10; The diameter of the mast 2 is φ325～φ426mm, and the length is 25×30m; the mast 2 is divided into three sections, and each section is connected with a high-strength bolt flange 14; The light-duty hoisting hook pulley block 13 is formed; the ground hoisting unit 8 is composed of a hoisting hoist, a luffing hoist and a steering hoist.

Claims (5)

1. A mast-type hoisting device for hoisting a cement kiln waste heat boiler, characterized in that it mainly includes a mast rotating support, a mast, a lifting pulley block, a direction-changing pulley block, a luffing pulley block, a guide pulley block, a steel wire rope, and a hoisting unit. The mast rotating support is installed on the tower column at the end of the cement kiln. The mast rotating support is hinged with one end of the mast. The other end of the mast is installed with a pulley block connected to the hanging plate. The pulley block is connected to the hanging plate in a cross shape. There is a lifting pulley block at the end of the pulley block, a luffing pulley a is provided at the end of the pulley block connected to the hanging plate, a left direction changing pulley a is provided at the left end of the pulley block connecting the hanging plate, and a right changing pulley b is provided at the right end of the pulley block connecting the hanging plate. The crossbeam of the cement kiln tail tower is equipped with left changing pulley a', right changing pulley b' and variable The width pulley a', the bottom end of the cement kiln tail tower column is equipped with a guide pulley block, the mast and the direction changing and luffing pulleys on the cement kiln tail tower beam correspond to each other to form a direction changing pulley block and a luffing pulley block, the mast The upper hoisting pulley block is connected with the ground hoist unit by the guide pulley block and the ground winch through the steel wire rope. And the bottom is connected with the ground hoist unit by the guide pulley block. 2. A mast-type hoisting device for hoisting a cement kiln waste heat boiler according to claim 1, characterized in that: the diameter of the mast is φ325-φ426mm, and the length is 25×30m. 3. The mast-type hoisting device for hoisting the waste heat boiler of a cement kiln according to claim 1, characterized in that: the mast is divided into three sections, and each section is flange-connected with high-strength bolts. 4. A mast-type hoisting device for hoisting a waste heat boiler in a cement kiln according to claim 1, wherein the hoisting pulley block is composed of a heavy-duty lifting hook pulley block and a light-loading lifting hook pulley block. 5. A mast-type hoisting device for hoisting a waste heat boiler in a cement kiln according to claim 1, wherein the ground hoisting unit is composed of a hoisting hoist, a luffing hoist and a steering hoist.