CN222317742U

CN222317742U - A rotary kiln fume recovery device

Info

Publication number: CN222317742U
Application number: CN202420381027.9U
Authority: CN
Inventors: 郭燕华; 赵宏; 朱元芳
Original assignee: Zhejiang Hongshi Cement Co ltd
Current assignee: Zhejiang Hongshi Cement Co ltd
Priority date: 2024-02-29
Filing date: 2024-02-29
Publication date: 2025-01-07
Anticipated expiration: 2034-02-28

Abstract

The utility model relates to the technical field of flue gas recovery and discloses a rotary kiln flue gas recovery device which comprises a rotary kiln device, wherein a kiln tail is fixedly arranged at one end of the rotary kiln device, a sealing sleeve is fixedly arranged above the kiln tail, an interface is fixedly arranged above the sealing sleeve, a flow probe cable is fixedly arranged on the inner wall of the interface, a wire winding device is fixedly arranged at one end of the flow probe cable, a conveying pipe is movably arranged at one end of the kiln tail, a mounting pipe is movably arranged below the conveying pipe, a gypsum adsorption plate is fixedly arranged on the inner wall of the mounting pipe, a through hole is formed in the bottom of the inner surface of the mounting pipe in a penetrating manner, and a humidifying tower is fixedly arranged below the mounting pipe. Through being connected below the conveyer pipe and installation pipe, installation intraductal wall installation gypsum adsorption plate, the gypsum adsorption plate is used for adsorbing the use to the dust in the flue gas for get rid of the dust in the flue gas and use, convenient improvement flue gas denitration efficiency.

Description

Rotary kiln flue gas recovery device

Technical Field

The utility model relates to the technical field of flue gas recovery, in particular to a flue gas recovery device of a rotary kiln.

Background

At present, a rotary kiln refers to a rotary calcining kiln (commonly known as a rotary kiln) and belongs to building material equipment. Rotary kilns can be classified into cement kilns, metallurgical chemical kilns and lime kilns according to the materials to be treated. The rotary kiln can generate high-temperature flue gas in the working process, can generally recycle waste heat of the high-temperature flue gas in the use process, and can generally use a waste heat recycling device when recycling the high-temperature flue gas.

The utility model discloses a flue gas recovery and treatment device of a cement rotary kiln, which is characterized in that the frame structure comprises an outer frame, two supporting plates are fixed on the inner side of the outer frame, a plurality of vent pipes are fixed between the two supporting plates, conical openings are formed in the side surfaces of the two supporting plates, which are positioned at the vent pipes, one end of the outer frame is provided with an air outlet, the filtering structure comprises an outer filtering frame, the outer filtering frame is rotationally connected in the air outlet through threads, an annular groove is formed in the inner side of the outer filtering frame, an inner filtering frame is connected in the annular groove through threads, and an arc-shaped groove is formed in the inner side of the inner filtering frame. The utility model provides a flue gas recovery processing device of a cement rotary kiln, which is convenient to clean and has a filtering function.

The existing flue gas recovery device is used for recycling the flue gas in the rotary kiln device by using the air inlet pipe to enter the flue gas in the vent pipe, but a certain amount of dust is carried in the flue gas, the dust in the flue gas influences the flue gas denitration efficiency, the use function of the flue gas recovery device is reduced, meanwhile, in the flue gas recovery process, the flow of the flue gas is not convenient to control, and the flue gas recovery work efficiency is reduced.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a flue gas recovery device of a rotary kiln, which has the advantages of being convenient for adsorbing and using dust in flue gas, being convenient for improving the flue gas recovery working efficiency and the like, and solves the technical problems.

(II) technical scheme

The rotary kiln flue gas recovery device comprises a rotary kiln device for processing cement raw materials, a kiln tail for flue gas discharge is fixedly arranged at one end of the rotary kiln device, a sealing sleeve for increasing sealing performance is fixedly arranged above the kiln tail, an interface for installing a flow probe cable is fixedly arranged above the sealing sleeve, a flow probe cable for monitoring flue gas flow is fixedly arranged on the inner wall of the interface, a wire collector for being connected with monitoring equipment is fixedly arranged at one end of the flow probe cable, a conveying pipe for flue gas conveying is movably arranged at one end of the kiln tail, a mounting pipe for being matched with the mounting pipe is movably arranged below the conveying pipe, a gypsum adsorption plate for dust adsorption is fixedly arranged on the inner wall of the mounting pipe, a through hole for flue gas conveying is fixedly arranged at the bottom of the inner surface of the mounting pipe, and a humidifying tower for increasing using performance is fixedly arranged below the mounting pipe.

According to the preferable technical scheme, a tug is movably arranged on the outer surface of the rotary kiln device, a support frame is movably arranged below the tug, a base is fixedly arranged below the support frame, a kiln head is fixedly arranged at the other end of the rotary kiln device, and the support frame is used for supporting the tug linkage structure.

As the preferable technical scheme of the utility model, a base is fixedly arranged below the wire winding device, the base is fixedly arranged on one side above the kiln tail, and the base supports the rotary kiln device structure.

According to the preferable technical scheme, the outer surfaces of the two ends of the conveying pipe are fixedly provided with the mounting rings, the outer surfaces of the two ends of the mounting pipe are fixedly provided with the connecting rings, the mounting rings are movably arranged above the connecting rings, and the mounting rings and the connecting rings are mounted by bolts.

As the preferable technical scheme of the utility model, one end of the humidifying tower is movably provided with a connecting pipe, one end of the connecting pipe is movably provided with a smoke recovery device body, one end of the smoke recovery device body is fixedly provided with an absorption pipe, and the absorption pipe absorbs smoke into the smoke recovery device body for use.

As a preferable technical scheme of the utility model, the other end of the smoke recycling device body is fixedly provided with a discharge pipe, a water inlet pipe is fixedly arranged above the smoke recycling device body in a penetrating manner, a water outlet pipe is fixedly arranged below the smoke recycling device body in a penetrating manner, and the discharge pipe is used for connecting and matching the smoke recycling device body with an external smoke pipeline.

As the preferable technical scheme of the utility model, one end of the absorption pipe is movably arranged on one side of the connecting pipe, the humidifying tower is movably arranged on one side of the base, and the heights of the humidifying tower and the bottom of the base are consistent.

Compared with the prior art, the utility model provides the rotary kiln flue gas recovery device, which has the following beneficial effects:

1. According to the utility model, the lower part of the conveying pipe is connected with the mounting pipe, the gypsum adsorption plate is arranged on the inner wall of the mounting pipe and is used for adsorbing and using dust in the flue gas, so that the dust in the flue gas is removed and used, the flue gas denitration efficiency is improved conveniently, the use function of the flue gas recovery device is increased, meanwhile, the gypsum adsorption plate is used by means of the humidifying tower, the flue gas recovery speed in the rotary kiln device is improved conveniently, harmful substances in the rotary kiln device are discharged conveniently, the cleanliness in the rotary kiln device is increased, and the use function of the flue gas recovery device of the rotary kiln is improved conveniently;

2. According to the utility model, one end of the rotary kiln device is connected with the kiln tail, the sealing sleeve is arranged above the kiln tail, the sealing sleeve is used with the interface, the inner wall of the interface is used for penetrating and installing the flow probe cable, the flow probe cable is connected with the wire winding device, and the wire winding device is used for being connected with the smoke flow monitoring equipment, so that the smoke flow momentum is controlled conveniently, and the smoke recovery working efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a rotary kiln apparatus according to the present utility model;

FIG. 3 is a schematic view of a delivery tube according to the present utility model;

FIG. 4 is a schematic view of the interior of the mounting tube of the present utility model;

FIG. 5 is a schematic view of a connecting tube according to the present utility model.

The device comprises a rotary kiln device 1, a towing wheel 11, a supporting frame 12, a base 13, a kiln head 14, a kiln tail 15, a2, a sealing sleeve 21, an interface 22, a flow probe cable 23, a wire winder 24, a base 3, a conveying pipe 31, a mounting ring 4, a mounting pipe 41, a connecting ring 42, a gypsum adsorption plate 43, a through hole 5, a humidifying tower 6, a connecting pipe 7, a flue gas recovery device body 71, an absorbing pipe 72, a discharge pipe 73, a water inlet pipe 74 and a water outlet pipe.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, unless explicitly stated or limited otherwise, the term "coupled" shall be taken in a broad sense, for example, as a fixed connection, as a removable connection, or as an integral connection, as a mechanical connection, as an electrical connection, as a direct connection, or as an indirect connection via an intermediary. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-5, in this embodiment, the flue gas recovery device for a rotary kiln includes a rotary kiln device 1, a kiln tail 15 is fixedly installed at one end of the rotary kiln device 1, a sealing sleeve 2 is fixedly installed above the kiln tail 15, an interface 21 is fixedly installed above the sealing sleeve 2, a flow probe cable 22 is fixedly installed on an inner wall of the interface 21, a wire collector 23 is fixedly installed at one end of the flow probe cable 22, a conveying pipe 3 is movably installed at one end of the kiln tail 15, a mounting pipe 4 is movably installed below the conveying pipe 3, a gypsum adsorption plate 42 is fixedly installed on an inner wall of the mounting pipe 4, a through hole 43 is installed at the bottom of an inner surface of the mounting pipe 4 in a penetrating manner, and a humidifying tower 5 is fixedly installed below the mounting pipe 4.

Specifically, through rotary kiln device 1 one end and kiln tail 15 connection, the structure of seal cover 2 is installed to kiln tail 15 top, seal cover 2 is convenient for increase flue gas flow probe cable 22 and runs through the installation leakproofness, be convenient for use the monitoring of kiln tail 15 flue gas flow, be convenient for use recovery unit operation control according to the flue gas flow momentum, be convenient for reduce rotary device use cost, kiln tail 15 one end is connected with conveyer pipe 3, conveyer pipe 3 below and 4 swing joint of installation pipe, installation pipe 4 is used with inner wall gypsum adsorption plate 42, gypsum adsorption plate 42 is used for adsorbing the use to the dust in the flue gas, be convenient for increase rotary kiln flue gas rotary device function, this rotary kiln flue gas recovery unit has been convenient to use.

The outer surface of the rotary kiln device 1 is movably provided with a tug 11, the lower part of the tug 11 is movably provided with a support frame 12, the lower part of the support frame 12 is fixedly provided with a base 13, and the other end of the rotary kiln device 1 is fixedly provided with a kiln head 14.

A base 24 is fixedly arranged below the wire collector 23, and the base 24 is fixedly arranged on one side above the kiln tail 15.

The outer surfaces of the two ends of the conveying pipe 3 are fixedly provided with mounting rings 31, the outer surfaces of the two ends of the mounting pipe 4 are fixedly provided with connecting rings 41, and the mounting rings 31 are movably mounted above the connecting rings 41.

Specifically, through rotary kiln device 1 surface mounting tug 11 structure, tug 11 structure and below motor, the cooperation is used in the speed reducer connection, is convenient for cooperate rotary kiln device 1 work to use, installs base 24 in one side of kiln tail 15, and the base 24 top is used for supporting the use to take-up 23, is convenient for increase flue gas flow monitoring structure and uses, has increased cooperation result of use between the rotary kiln flue gas recovery unit structure.

One end of the humidifying tower 5 is movably provided with a connecting pipe 6, one end of the connecting pipe 6 is movably provided with a flue gas recovery device body 7, and one end of the flue gas recovery device body 7 is fixedly provided with an absorption pipe 71.

The other end of the flue gas recovery device body 7 is fixedly provided with a discharge pipe 72, a water inlet pipe 73 is fixedly arranged above the flue gas recovery device body 7 in a penetrating manner, and a water outlet pipe 74 is fixedly arranged below the flue gas recovery device body 7 in a penetrating manner.

One end of the absorption tube 71 is movably installed at one side of the connection tube 6, and the humidifying tower 5 is movably installed at one side of the base 13.

Specifically, through humidification tower 5 one side and connecting pipe 6 connection, connecting pipe 6 will humidify tower 5 and flue gas recovery unit body 7 connection, humidification tower 5 is to after the flue gas is handled, and connecting pipe 6 carries flue gas to flue gas recovery unit body 7 in and carries out the reprocessing and use, is convenient for improve flue gas treatment work efficiency.

The operation principle is that the rotary kiln device 1 is used by carrying a kiln tail 15 at one end, one end of the kiln tail 15 is connected with a conveying pipe 3, the conveying pipe 3 is provided with two end mounting rings 31, one end below the conveying pipe 3 is connected with the mounting pipe 4, the mounting pipe 4 is provided with two outer surface end connecting rings 41, the mounting rings 31 are connected with the connecting rings 41, the mounting pipe 4 is fixedly connected with the conveying pipe 3, a double-layer gypsum adsorption plate 42 structure is arranged on the inner wall of the mounting pipe 4, the bottom of the inner surface of the mounting pipe 4 penetrates through a through hole 43, the lower part of the mounting pipe 4 is connected with a humidifying tower 5, one side of the humidifying tower 5 is connected with an absorbing pipe 71 by using a connecting pipe 6, the absorbing pipe 71 is provided with a flue gas recovery device body 7, the flue gas recovery device body 7 is opened, flue gas in the rotary kiln device 1 is absorbed into the flue gas recovery device body 7 by the mounting pipe 4 and the conveying pipe 3, the other end of the flue gas recovery device body 7 is connected with a discharge pipe 72, and the discharge pipe 72 is connected with an external connecting pipe, so that the flue gas is recovered for use.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A rotary kiln fume recovery device, comprising a rotary kiln device (1), characterized in that a kiln tail (15) is fixedly installed at one end of the rotary kiln device (1), a sealing sleeve (2) is fixedly installed above the kiln tail (15), an interface (21) is fixedly installed above the sealing sleeve (2), a flow probe cable (22) is fixedly installed on the inner wall of the interface (21), a wire take-up device (23) is fixedly installed at one end of the flow probe cable (22), a conveying pipe (3) is movably installed at one end of the kiln tail (15), a mounting pipe (4) is movably installed below the conveying pipe (3), a gypsum adsorption plate (42) is fixedly installed on the inner wall of the mounting pipe (4), a through hole (43) is penetrated through the bottom of the inner surface of the mounting pipe (4), and a humidification tower (5) is fixedly installed below the mounting pipe (4).

2. A rotary kiln fume recovery device according to claim 1, characterized in that: a tugboat (11) is movably mounted on the outer surface of the rotary kiln device (1), a support frame (12) is movably mounted below the tugboat (11), a base (13) is fixedly mounted below the support frame (12), and a kiln head (14) is fixedly mounted at the other end of the rotary kiln device (1).

3. A rotary kiln fume recovery device according to claim 1, characterized in that a base (24) is fixedly installed below the wire take-up device (23), and the base (24) is fixedly installed on the upper side of the kiln tail (15).

4. A rotary kiln fume recovery device according to claim 1, characterized in that: mounting rings (31) are fixedly installed on the outer surfaces of both ends of the conveying pipe (3), connecting rings (41) are fixedly installed on the outer surfaces of both ends of the mounting pipe (4), and the mounting rings (31) are movably installed above the connecting rings (41).

5. A rotary kiln fume recovery device according to claim 1, characterized in that: a connecting pipe (6) is movably installed at one end of the humidification tower (5), a fume recovery device body (7) is movably installed at one end of the connecting pipe (6), and an absorption pipe (71) is fixedly installed at one end of the fume recovery device body (7).

6. A rotary kiln fume recovery device according to claim 5, characterized in that: an exhaust pipe (72) is fixedly installed on the other end of the fume recovery device body (7), a water inlet pipe (73) is fixedly installed through the top of the fume recovery device body (7), and a water outlet pipe (74) is fixedly installed through the bottom of the fume recovery device body (7).

7. A rotary kiln fume recovery device according to claim 5, characterized in that one end of the absorption pipe (71) is movably mounted on one side of the connecting pipe (6), and the humidification tower (5) is movably mounted on one side of the base (13).