CN216005978U

CN216005978U - Steam recovery device of fuming furnace water quenching slag pool

Info

Publication number: CN216005978U
Application number: CN202121367354.1U
Authority: CN
Inventors: 黄坤程; 辛鹏飞; 杨志勇; 徐华军; 卞海林; 邱杰敏; 索云峰; 廖联辉
Original assignee: China ENFI Engineering Corp
Current assignee: China ENFI Engineering Corp
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2022-03-11
Anticipated expiration: 2031-06-18

Abstract

The utility model provides a steam recovery device of a fuming furnace water quenching slag pool, belonging to the technical field of smelting, and comprising a movable cover plate arranged above the water quenching slag pool, a ventilation hood arranged on the movable cover plate, a movable rail, a wheel unit corresponding to the movable rail and a driving device; the movable rail is arranged on the side wall of the water quenching slag pool, the wheel units are arranged on the movable rail, and the wheel units are fixed on the movable cover plate; the drive device drives the wheel unit via the wheel axle. The utility model realizes the technical effect of effectively recovering the water vapor under the condition of not hindering the crane grab bucket to clean the water quenching slag.

Description

Steam recovery device of fuming furnace water quenching slag pool

Technical Field

The utility model relates to the technical field of smelting, in particular to a steam recovery device of a water quenching slag pool of a fuming furnace.

Background

In the pyrometallurgical process, the fuming furnace is widely used for processing and reducing furnace slag to produce zinc oxide, when the fuming furnace discharges slag, the granulating spray head sprays high-pressure water, the slag in a high-temperature molten state is instantly cooled, solidified and granulated, the granulated slag enters a slag pool through a granulating chute, and after the amount of the slag in the slag pool is accumulated to a certain amount, water-quenched slag in the slag pool is grabbed and transported by using a crane grab bucket. The disadvantages are as follows:

a large amount of water vapor is generated in the process that the granulated slag enters a slag pool, and the water vapor is directly discharged into the environment, so that not only is the environment pollution caused, but also the energy waste is caused;

however, the fuming furnace has large slag quantity and high slag temperature, and the matched slag pool has large area, so that the recovery operation of water vapor is inconvenient.

Therefore, a steam recovery device of the fuming furnace water quenching slag pool with reasonable design is needed.

Disclosure of Invention

The utility model aims to provide a steam recovery device of a water quenching slag pool of a fuming furnace, which has the technical effect of effectively recovering steam generated by water quenching on the premise of not hindering a crane grab bucket from processing water quenching slag.

A steam recovery device of a fuming furnace water quenching slag pool comprises a movable cover plate arranged above the water quenching slag pool, a ventilation hood arranged on the movable cover plate, a movable rail, a wheel unit corresponding to the movable rail and a driving device; wherein the content of the first and second substances,

the movable rail is arranged on the side wall of the water quenching slag pool, the wheel units are arranged on the movable rail, and the wheel units are fixed on the movable cover plate; the movable cover plate, the ventilation hood and the water quenching slag pool form a sealed space;

the drive device drives the wheel unit via the wheel axle.

Further, preferably, the wheel unit includes a driving wheel set and a driven wheel set, the driving wheel set is connected with the driving device through a wheel shaft, and the driven wheel set is connected with the driving wheel set through a movable cover plate.

Further, preferably, the driving device comprises a speed reducer with an encoder and a speed reducer base, wherein the speed reducer is connected with a wheel shaft of the driving wheel set, and the driving wheel set and the driven wheel set are connected through the movable cover plate.

Further, preferably, the driving device comprises a left speed reducer and a right speed reducer synchronously operating with the left speed reducer, the driving wheel set comprises a left driving wheel and a right driving wheel, the left speed reducer is connected with the left driving wheel, and the right speed reducer is connected with the right driving wheel.

Further, preferably, the driving device is correspondingly provided with a travel switch assembly for controlling the start and stop positions of the movable cover plate.

Further, preferably, the travel switch assembly includes a travel switch and a striker; wherein the content of the first and second substances,

the travel switch is arranged on the side wall of the water quenching slag pool, and the collision block is arranged on the movable cover plate.

Further, it is preferable that a sealing barrier is provided at the bottom of the movable cover.

Further, preferably, the ventilation hood further comprises a control system for controlling the driving device to open or close the movable cover plate and controlling the ventilation hood to open or close.

As described above, the steam recovery device for the water quenching slag pool of the fuming furnace of the utility model has the function of effectively recovering the steam generated by water quenching on the premise of not hindering the handling of the water quenching slag by the crane grab bucket; the beneficial effects are as follows:

1) the movable cover plate is opened when the crane grab bucket grabs the water quenching slag and is closed in the water quenching process, so that the structure is simple, the design is reasonable, and the failure rate is low;

2) aiming at the characteristic of large span of the movable cover plate, the left side and the right side of the movable cover plate are respectively provided with an independent driving device, the left speed reducer and the right speed reducer are respectively provided with an encoder, and the left driving wheel and the right driving wheel are ensured to synchronously run by electrically controlling the two speed reducing motors to drive the movable cover plate to stably run.

3) The control system is linked with the crane grab bucket and the fuming furnace, and the movable cover plate is automatically closed when the fuming furnace carries out slag discharge; when the crane grab bucket is about to carry out water quenching slag treatment operation, the movable cover plate is automatically opened.

Drawings

Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description and appended claims, taken in conjunction with the accompanying drawings.

In the drawings:

FIG. 1 is a schematic view of an application scenario of a steam recovery device of a water quenching tank of a fuming furnace according to an embodiment of the utility model;

FIG. 2 is a schematic structural diagram of a steam recovery device of a water quenching tank of a fuming furnace according to an embodiment of the utility model.

Wherein the content of the first and second substances,

1. a fuming furnace; 2. granulating spray heads; 3. a granulation chute; 4. a water quenching slag pool; 5. a ventilation hood; 6. moving the cover plate; 7. a driven wheel set; 8. a driving wheel set; 9. sealing the baffle; 10. a travel switch assembly; 11. The track is moved.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In embodiments of the present invention, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described as "exemplary" in embodiments of the utility model is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the utility model. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present invention may be practiced without these specific details. In other instances, well-known structures and processes are not shown in detail to avoid obscuring the description of the utility model with unnecessary detail. Thus, the present invention is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed in the embodiments.

In order to facilitate the transfer of the crane grab bucket to treat the water quenching slag, the water quenching slag pool 4 is open, so that the problem of water vapor diffusion is caused. The movable cover plate capable of being opened and closed at any time is arranged on the water quenching slag pool, so that the electric crane grab bucket is opened when the water quenching slag is to be cleaned, and the crane grab bucket is closed after the cleaning operation is finished. The movable cover plate is kept in a closed state in the slag discharging process of the fuming furnace 1, and the water quenching slag pool, the ventilation hood and the movable cover plate form a sealed space to enhance the air draft effect of the ventilation hood.

According to the steam recovery device for the water quenching slag pool of the fuming furnace, the movable cover plate is arranged on the water quenching slag pool, so that the technical effect of effectively recovering steam generated by water quenching is achieved on the premise of not hindering a crane grab bucket from processing water quenching slag.

Various embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Fig. 1 and 2 are views showing the entire steam recovery apparatus of the fuming furnace water quenched slag tank. Specifically, fig. 1 is a schematic view of an application scenario of a steam recovery device of a fuming furnace water quenching slag pool according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a steam recovery device of a fuming furnace water quenching slag pool in one embodiment of the utility model.

As shown in the figures 1 and 2 together, the utility model provides a steam recovery device of a water quenching slag pool of a fuming furnace. When the fuming furnace 1 discharges slag, the granulating spray head 2 sprays high-pressure water, the slag in a high-temperature molten state is instantly cooled, solidified and granulated, the granulated slag enters the water quenching slag pool 4 through the granulating chute 3, and after the amount of the slag in the water quenching slag pool 4 is accumulated to a certain amount, the water quenching slag in the water quenching slag pool 4 is grabbed and transported by using a crane grab bucket.

The steam recovery device of the fuming furnace water quenching slag pool comprises a movable cover plate 6 arranged above the water quenching slag pool 4, a ventilation hood 5 arranged on the movable cover plate 6, a movable rail 11, a wheel unit corresponding to the movable rail 11 and a driving device; the movable rail 11 is arranged on the side wall of the water quenching slag pool 4, the wheel unit is arranged on the movable rail 11, and the wheel unit is fixed on the movable cover plate 6; the movable cover plate 6, the ventilation hood 5 and the water quenching slag pool 4 form a sealed space; the drive device drives the wheel unit via the wheel axle. The wheel unit comprises a driving wheel set 8 and a driven wheel set 7, the driving wheel set 8 is connected with the driving device through a wheel shaft, and the driven wheel set 7 is connected with the driving wheel set through a movable cover plate. The movable cover plate is formed by welding profile steels, and the upper surface of the movable cover plate is laid with steel plates, so that the movable cover plate has certain rigidity and keeps sealing. The movable track is composed of steel rails, pressing blocks, a stop and the like and is arranged on the outer side of the side wall of the water quenching slag pool.

Describing the configuration relationship, the movable cover plate 6 is configured above the water quenching slag pool 4 and is used for covering the water quenching slag pool 4 to prevent steam from overflowing during slag discharging and water quenching of the fuming furnace 1. When fuming furnace 1 slagging shrend, 4 temperature risees in shrend sediment pond, produce a large amount of vapor, set up draft hood 5 on shrend sediment pond, remove 6 cooperations of apron and form airtight space, prevent that vapor from spilling, finally take out vapor through the draft hood. Wherein, the vapor that draft hood 5 taken away can discharge after can passing through equipment such as water-cooling tower cooling, also can retrieve other procedures that get into the assembly line.

In a specific implementation process, when the sedimentation tank is adjacently arranged beside the water quenching slag tank 4, the ventilation hood 5, the movable cover plate 6 and the sedimentation tank cover plate which are arranged on the water quenching slag tank are matched together to form a closed space. When the water-quenched slag is accumulated to a certain amount and the fuming furnace is in a non-slag-discharging state, the movable cover plate 6 is moved to the upper part of the cover plate of the sedimentation tank from the upper part of the water-quenched slag tank 4, a space is vacated, the water-quenched slag is grabbed by a crane grab bucket, and the water-quenched slag is transferred to the subsequent working procedures for treatment. After the work of grabbing the water quenching slag is finished, the movable cover plate 6 is moved back to the position above the water quenching slag pool 4, and good sealing is kept.

As the improvement of the embodiment, the driving device comprises a speed reducer with an encoder and a speed reducer base, and the speed reducer is fixedly installed through the speed reducer base. Wherein, the speed reducer is connected with the wheel axle of the driving wheel set 8, and the driving wheel set 8 is connected with the driven wheel set through the movable cover plate. The driving device is correspondingly provided with a travel switch assembly 10 for controlling the start and stop positions of the movable cover plate. The travel switch assembly comprises a travel switch and a collision block; wherein, the travel switch assembly 10 comprises a travel switch and a bump; the travel switch is arranged on the side wall of the water quenching slag pool, and the collision block is arranged on the movable cover plate. The driving wheel set 8 mainly comprises wheels, wheel shafts connected with the speed reducer, bearings, supports and the like, is arranged on the movable cover plate, and drives the movable cover plate to move along the direction of the movable track. The driven wheel set 7 mainly comprises wheels, a wheel shaft connected with the driving wheel set, a bearing, a support and the like, is arranged on the movable cover plate and is matched with the driving wheel set to drive the movable cover plate to move along the direction of the movable track.

In a word, the wheel unit includes a driving wheel set 8 and a driven wheel set 7, the driving wheel set is driven by the driving device to drive the movable cover plate 6 to move horizontally, and the driven wheel set 7 installed on the movable cover plate 6 moves along with the driving device. The specific implementation of the travel switch and the bump is mature in the prior art, and is not described herein again.

In a specific embodiment, the driving device comprises a left speed reducer and a right speed reducer which runs synchronously with the left speed reducer, the driving wheel set comprises a left driving wheel and a right driving wheel, the left speed reducer is connected with the left driving wheel, and the right speed reducer is connected with the right driving wheel. The left speed reducer and the right speed reducer are both provided with encoders, and the left driving wheel and the right driving wheel are ensured to run synchronously through the synchronization of the two speed reducing motors under the electrical control to drive the movable cover plate to run stably. In specific implementation, because of the supporting shrend slag bath 4 size of fuming furnace 1 is great, the removal apron 11 length width direction size of shrend slag bath 4 is great, the wheel shaft be difficult for connecting of 8 both sides of initiative wheelset, consequently with the left and right sides wheel respectively by solitary gear motor drive, in order to realize the synchronization of left action wheel and right action wheel, set up the encoder on gear motor, synchronous through two gear motor of electrical control, guarantee two initiative wheel synchronous operation, 6 even running of drive removal apron.

As a modification of the present embodiment, in order to further enhance the effect of the movable cover plate of preventing the escape of water vapor, a sealing baffle plate 9 is provided at the bottom of the movable cover plate 6. Specifically, the sealing baffle 9 is arranged at the bottom of the movable cover plate, is arranged outside the side wall of the water quenching slag pool 4 along the direction of the movable track and is attached to the side wall of the water quenching slag pool, and is made of soft wear-resistant materials, such as rubber. The movable cover plate 6 can run smoothly, and the sealing effect of the movable cover plate 6 is guaranteed.

In a particular embodiment, a control system for controlling the drive means to open or close the moving cover 6 and to open or close the ventilation hood 5 is also included. In a specific implementation process, in order to improve the automation degree of the moving cover plate, the moving cover plate further comprises a control system for interlocking the automatic opening and closing of the moving cover plate. When entering the slag discharging water quenching process of the fuming furnace, namely after detecting that the granulated slag in the fuming furnace passes through the granulating chute 3, the movable cover plate 6 is closed. When the crane grab bucket is detected to need to operate, the movable cover plate 6 is automatically opened; when the crane grab bucket operation is detected to be finished, the movable cover plate 6 is automatically closed.

The specific working principle is as follows:

firstly, arranging a movable cover plate 6 at the top of a water quenching slag pool 4, and accommodating a wheel unit arranged on the movable cover plate on a movable rail 11;

when the crane grab bucket needs to operate, the driving device drives the driving wheel set 8, the driving wheel set 8 is linked with the driven wheel sets 7 on the two sides of the movable cover plate, and the movable cover plate 6 is opened;

when the crane grab bucket finishes the operation, the movable cover plate 6 is closed;

when the fuming furnace carries out slag discharge and water quenching, the ventilation hood 5 is opened to pump away the water vapor generated in the water quenching process.

In summary, the utility model relates to a steam recovery device for a water quenching slag pool of a fuming furnace, which has the technical effect of effectively recovering steam generated by water quenching on the premise of not hindering a crane grab bucket from processing water quenching slag by arranging a movable cover plate on the water quenching slag pool.

However, it will be appreciated by those skilled in the art that various modifications may be made to the steam recovery apparatus for a fuming furnace water quenched slag bath provided by the present invention without departing from the scope of the present invention. Therefore, the scope of the present invention should be determined by the contents of the appended claims.

Claims

1. The utility model provides a steam recovery unit in fuming furnace shrend pond which characterized in that includes: the device comprises a movable cover plate arranged above a water quenching slag pool, a ventilation hood arranged on the movable cover plate, a movable rail, a wheel unit corresponding to the movable rail and a driving device; wherein the content of the first and second substances,

the movable rail is arranged on the side wall of the water quenching slag pool, the wheel unit is arranged on the movable rail, and the wheel unit is fixed on the movable cover plate; the ventilation hood, the movable cover plate and the water quenching slag pool form a sealed space;

the drive device drives the wheel unit via a wheel axle.

2. The vapor recovery device of a fuming furnace water quenching slag pool as recited in claim 1, wherein the wheel unit comprises a driving wheel set and a driven wheel set, the driving wheel set is connected with the driving device through a wheel shaft, and the driven wheel set is connected with the driving wheel set through the movable cover plate.

3. The steam recycling device for the fuming furnace water quenching slag pool as recited in claim 2, wherein the driving device comprises a reducer with an encoder and a reducer base, wherein the reducer is connected with a wheel shaft of the driving wheel set, and the driving wheel set and the driven wheel set are connected through the movable cover plate.

4. The steam recovery device of the fuming furnace water quenching slag pool as recited in claim 3, wherein the driving device comprises a left speed reducer and a right speed reducer which runs synchronously with the left speed reducer, the driving wheel set comprises a left driving wheel and a right driving wheel, the left speed reducer is connected with the left driving wheel, and the right speed reducer is connected with the right driving wheel.

5. The steam recovery device of the fuming furnace water quenching slag pool as recited in claim 1, wherein the driving device is correspondingly provided with a travel switch assembly for controlling the start-stop position of the movable cover plate.

6. The fuming furnace water quenching slag bath steam recovery device as recited in claim 5, wherein the travel switch assembly comprises a travel switch and a ram; wherein the content of the first and second substances,

7. The fuming furnace water quenching slag bath steam recovery device as recited in claim 1, wherein a sealing baffle is provided at the bottom of the movable cover plate.

8. The fuming furnace water quenching slag bath steam recovery device as recited in claim 1, further comprising a control system for controlling the drive device to open or close the movable cover plate and controlling the ventilation hood to open or close.