CN219037628U

CN219037628U - Cement rotary kiln waste heat recovery device

Info

Publication number: CN219037628U
Application number: CN202222254750.4U
Authority: CN
Inventors: 田大伟; 杨霞光; 朱士元
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2023-05-16
Anticipated expiration: 2032-08-26

Abstract

The utility model discloses a cement rotary kiln waste heat recovery device, wherein a height adjusting wheel is arranged at the bottom of a mounting plate, supporting columns are connected through a bidirectional threaded rod, moving blocks are symmetrically arranged on two sides of the bidirectional threaded rod, a cylinder covering mechanism is arranged below the moving blocks, a rotary kiln is detachably connected inside the symmetrically arranged cylinder covering mechanism, one side of the cylinder covering mechanism is communicated with a fan through an air inlet pipe, the other end of a gas collecting pipe penetrates into a water tank to be connected with a hot gas distribution hollow plate, and a crushing mechanism is arranged inside the water tank. This cement rotary kiln waste heat recovery device through setting up cover section of thick bamboo mechanism and water tank in the mounting panel top, and cover section of thick bamboo mechanism and rotary kiln are detachable connection, have solved the inconvenient problem of current cement rotary kiln waste heat recovery device maintenance change. Through setting up cover section of thick bamboo mechanism and crushing mechanism, solved the not high problem of current cement rotary kiln waste heat recovery device waste heat recovery efficiency.

Description

Cement rotary kiln waste heat recovery device

Technical Field

The utility model relates to the technical field of waste heat recovery devices, in particular to a cement rotary kiln waste heat recovery device.

Background

In 2013, the cement yield in the whole country is accumulated to 2,414,396,617 tons, which is increased by 9.57 percent, and a large amount of energy is dissipated in the form of heat energy in the cement production process, so that a large amount of waste is caused. The cement rotary kiln is key equipment for cement production, the surface waste heat recycling technology of the cement rotary kiln starts later, and most of the existing cement rotary kiln waste heat recycling devices have the following problems: (1) The existing cement rotary kiln waste heat recovery device is generally arranged integrally with the rotary kiln during installation, so that the cement rotary kiln waste heat recovery device is inconvenient to maintain or replace, and a large amount of energy is wasted. (2) The existing cement rotary kiln waste heat recovery device is low in waste heat recovery efficiency, and resource waste is caused.

Disclosure of Invention

The utility model aims to provide a cement rotary kiln waste heat recovery device, which aims to solve the problems that the existing cement rotary kiln waste heat recovery device provided in the background art is inconvenient to maintain and replace and the waste heat recovery efficiency is low.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cement rotary kiln waste heat recovery device, includes the mounting panel, the mounting panel bottom is provided with altitude mixture control wheel, and mounting panel top symmetry installs the support column, the support column is connected through two-way threaded rod, and two-way threaded rod one end links to each other with first motor output, two-way threaded rod bilateral symmetry sets up the movable block, cover section of thick bamboo mechanism is installed to the movable block below, and the inside detachable rotary kiln that is connected with of cover section of thick bamboo mechanism that the symmetry set up, cover section of thick bamboo mechanism one side is linked together with the fan through the intake pipe, and cover section of thick bamboo mechanism opposite side installs the valve pipe, valve pipe one end is connected with the gas collecting tube, the other end of gas collecting tube is in depth into the water tank inside and is connected with the empty board of steam distribution, water tank internally mounted has broken mechanism.

Preferably, the height adjusting wheel comprises a self-locking pulley, the top of the self-locking pulley is connected with a hydraulic rod, and the hydraulic rod is connected with the bottom of the mounting plate through a supporting rod.

Preferably, the cover cylinder mechanism comprises a heat-insulating cover, an arc-shaped heat-conducting plate is arranged on the inner side of the heat-insulating cover, the top of the heat-insulating cover is connected with the bottom of the moving block, and the arc-shaped heat-conducting plate is contacted with the outer side of the rotary kiln.

Preferably, the slider is installed to the heat preservation cover bottom, and the spout with slider assorted is seted up at the mounting panel top.

Preferably, through holes are formed in the top and the bottom of the hot gas distribution hollow plate, a connecting port is formed in the top of the hot gas distribution hollow plate, and a sealing layer is coated on the inner side of the connecting port.

Preferably, the crushing mechanism comprises a rotating rod, one end of the rotating rod is connected with a second motor at the outer side of the water tank, and a wolf tooth stick is arranged at the outer side of the rotating rod.

Compared with the prior art, the utility model has the beneficial effects that: the waste heat recovery device of the cement rotary kiln,

(1) Through setting up cover section of thick bamboo mechanism and water tank in the mounting panel top, and cover section of thick bamboo mechanism and rotary kiln are detachable the connection, when needs maintain or change rotary kiln waste heat recovery device, open first motor, make first motor drive two-way threaded rod and rotate, cover section of thick bamboo mechanism is kept away from under the effect of movable block gradually this moment, be convenient for take out the rotary kiln, open the auto-lock pulley switch after taking out, remove the rotary kiln waste heat recovery device of mounting panel top to the maintenance district under the effect of auto-lock pulley and maintain, solved the inconvenient problem of current cement rotary kiln waste heat recovery device maintenance change.

(2) Through setting up hood section of thick bamboo mechanism and crushing mechanism, install when the rotary kiln is inside the hood section of thick bamboo mechanism that the symmetry set up, the inside gas heating that will keep warm the hood inside of rotary kiln outside waste heat transfer through the arc heat-conducting plate, open the fan after the heating is accomplished, make the gas after the heating get into inside the hot gas distribution hollow slab through valve pipe and gas collecting tube under the effect of fan, the through-hole has all been seted up to the top and the bottom of hot gas distribution hollow slab, make can evenly distribute with steam, fully with the water contact, set up the wolf tooth rod in the bull stick outside simultaneously, make can further smash the bubble, make water and the abundant contact of steam, current cement rotary kiln waste heat recovery device waste heat recovery efficiency not high problem has been solved.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic side sectional view of the present utility model.

In the figure: 1. the device comprises a mounting plate, 2, a support column, 3, a bidirectional threaded rod, 4, a first motor, 5, a moving block, 6, an air inlet pipe, 7, a fan, 8, a valve pipe, 9, a gas collecting pipe, 10, a water tank, 11, a hot gas distribution hollow plate, 12, a self-locking pulley, 13, a hydraulic rod, 14, a support rod, 15, a heat insulation cover, 16, an arc-shaped heat conducting plate, 17, a rotating rod, 18, a spike rod, 19 and a rotary kiln.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: according to the waste heat recovery device of the cement rotary kiln, as shown in fig. 1-3, the bottom of a mounting plate 1 is provided with a height adjusting wheel, support columns 2 are symmetrically arranged at the top of the mounting plate 1, the support columns 2 are connected through a bidirectional threaded rod 3, one end of the bidirectional threaded rod 3 is connected with the output end of a first motor 4, a moving block 5 is symmetrically arranged on two sides of the bidirectional threaded rod 3, a cover cylinder mechanism is arranged below the moving block 5, and rotary kilns 19 are detachably connected inside the symmetrically arranged cover cylinder mechanism.

Specifically, the height adjusting wheel comprises a self-locking pulley 12, the top of the self-locking pulley 12 is connected with a hydraulic rod 13, and the hydraulic rod 13 is connected with the bottom of the mounting plate 1 through a supporting rod 14.

When the height of the cover cylinder mechanism needs to be adjusted to be matched with the height of the rotary kiln 19, the hydraulic rod 13 is opened, the hydraulic rod 13 drives the supporting rod 14 and the mounting plate 1 to move up and down, the height of the cover cylinder mechanism changes, the hydraulic rod 13 is mounted at the bottom of the mounting plate 1, the cover cylinder mechanism and the water tank can be driven to change in height at the same time, and the influence of the change of the height on one side on the positions of the valve pipe 8 and the gas collecting pipe 9 is avoided.

In a further embodiment, the moving block 5 is in threaded connection with the outside of the bi-directional threaded rod 3.

Specifically, the cover cylinder mechanism comprises a heat-insulating cover 15, an arc-shaped heat-conducting plate 16 is arranged on the inner side of the heat-insulating cover 15, the top of the heat-insulating cover 15 is connected with the bottom of the movable block 5, and the arc-shaped heat-conducting plate 16 is contacted with the outer side of the rotary kiln 19.

Specifically, the slider is installed to heat preservation cover 15 bottom, and heat preservation cover 15 one side is provided with the inflation inlet, and mounting panel 1 top is seted up and is matched with slider assorted spout.

When the rotary kiln 19 needs to be fixed inside the symmetrically arranged cover barrel mechanisms, the first motor 4 is opened to enable the first motor 4 to drive the bidirectional threaded rod 3 to rotate, at the moment, the cover barrel mechanisms are gradually far away under the action of the moving block 5, the rotary kiln 19 is inserted into the inner sides of the cover barrel mechanisms, the first motor 4 is opened again after the insertion is completed, and the distance between the cover barrel mechanisms is shortened under the action of the first motor 4 until the rotary kiln 19 is fixed inside the symmetrically arranged cover barrel mechanisms.

According to the illustration of fig. 1 and 2, one side of the cover cylinder mechanism is communicated with the fan 7 through the air inlet pipe 6, the valve pipe 8 is arranged on the other side of the cover cylinder mechanism, one end of the valve pipe 8 is connected with the gas collecting pipe 9, the other end of the gas collecting pipe 9 penetrates into the water tank 10 to be connected with the hot gas distribution hollow plate 11, and the crushing mechanism is arranged in the water tank 10.

In a further embodiment, the gas collecting tube 9 intensively transfers the hot gas transferred in the symmetrically arranged valve tubes 8 to the inside of the hot gas distribution hollow plate 11.

Specifically, through holes are formed in the top and the bottom of the hot gas distribution hollow plate 11, a connecting port is formed in the top of the hot gas distribution hollow plate 11, a sealing layer is coated on the inner side of the connecting port, and the gas collecting tube 9 is communicated with the inside of the hot gas distribution hollow plate 11 through the connecting port.

Specifically, the crushing mechanism comprises a rotating rod 17, one end of the rotating rod 17 is connected with a second motor at the outer side of the water tank 10, and a wolf tooth stick 18 is arranged at the outer side of the rotating rod 17.

After the rotary kiln 19 is fixed in the symmetrical cover cylinder mechanism, waste heat outside the rotary kiln 19 is transmitted into the heat insulation cover 15 through the arc-shaped heat conducting plate 16 to heat gas inside the heat insulation cover 15, the fan 7 is opened after heating is completed, the heated gas enters the hot gas distribution hollow plate 11 through the valve pipe 8 and the gas collecting pipe 9 under the action of the fan 7, through holes are formed in the top and the bottom of the hot gas distribution hollow plate 11, so that the hot gas can be uniformly distributed and fully contacted with water, and meanwhile, the wolf teeth stick 18 is arranged outside the rotary rod 17, so that bubbles can be further broken, and the water and the hot gas are fully contacted.

What is not described in detail in this specification is prior art known to those skilled in the art.

The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present utility model.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a cement rotary kiln waste heat recovery device, includes mounting panel (1), its characterized in that: the utility model discloses a gas turbine, including mounting panel (1), valve pipe (8) are installed through intake pipe (6) and fan (7), and mounting panel (1) top symmetry installs support column (2), support column (2) are connected through bi-directional threaded rod (3), and bi-directional threaded rod (3) one end links to each other with first motor (4) output, bi-directional threaded rod (3) bilateral symmetry sets up movable block (5), cover section of thick bamboo mechanism is installed to movable block (5) below, and the inside detachable rotary kiln (19) that are connected with of cover section of thick bamboo mechanism that the symmetry set up, cover section of thick bamboo mechanism one side is linked together with fan (7) through intake pipe (6), and cover section of thick bamboo mechanism opposite side installs valve pipe (8), valve pipe (8) one end is connected with gas collecting tube (9), the other end of gas collecting tube (9) is in deep into inside with gas distribution hollow plate (11) of water tank (10) internally mounted has broken mechanism.

2. The rotary cement kiln waste heat recovery device according to claim 1, wherein: the height adjusting wheel comprises a self-locking pulley (12), the top of the self-locking pulley (12) is connected with a hydraulic rod (13), and the hydraulic rod (13) is connected with the bottom of the mounting plate (1) through a supporting rod (14).

3. The rotary cement kiln waste heat recovery device according to claim 1, wherein: the cylinder covering mechanism comprises a heat preservation cover (15), an arc-shaped heat conducting plate (16) is arranged on the inner side of the heat preservation cover (15), the top of the heat preservation cover (15) is connected with the bottom of the moving block (5), and the arc-shaped heat conducting plate (16) is in contact with the outer side of the rotary kiln (19).

4. A rotary cement kiln waste heat recovery device according to claim 3, characterized in that: the bottom of the heat preservation cover (15) is provided with a sliding block, and the top of the mounting plate (1) is provided with a sliding groove matched with the sliding block.

5. The rotary cement kiln waste heat recovery device according to claim 1, wherein: through holes are formed in the top and the bottom of the hot gas distribution hollow plate (11), a connecting port is formed in the top of the hot gas distribution hollow plate (11), and a sealing layer is coated on the inner side of the connecting port.

6. The rotary cement kiln waste heat recovery device according to claim 1, wherein: the crushing mechanism comprises a rotating rod (17), one end of the rotating rod (17) is connected with a second motor at the outer side of the water tank (10), and a wolf tooth stick (18) is arranged at the outer side of the rotating rod (17).