CN217709524U

CN217709524U - Environment-friendly treatment device for casting residues

Info

Publication number: CN217709524U
Application number: CN202221178067.0U
Authority: CN
Inventors: 何蕊
Original assignee: Beijing Qiji Environmental Protection Technology Co ltd
Current assignee: Beijing Qiji Environmental Protection Technology Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-11-01
Anticipated expiration: 2032-05-17

Abstract

The utility model relates to an environment-friendly processing device of cast slag, a tipping machine is arranged above retaining walls at two sides of a cast slag hot splashing field, and a closed cover is arranged above the retaining walls at two sides of the cast slag hot splashing field and the tipping machine; the output end of the tipper motor is connected with a tipper speed reducer, and the tipper speed reducer is connected with the tipper bracket and can control the tipper bracket to rotate; the fixed closed cover is arranged at one end of the retaining walls at two sides of the cast residue hot splashing field, and the movable closed cover can move to the position above the tilting machine relative to the fixed closed cover and close the position above the retaining walls of the cast residue hot splashing field. The casting residue is poured and cooled by water under the completely sealed condition, the environment is protected to reach the standard, and the national environmental protection policy is met. The method is completed through mechanical equipment, has high automation level, improves the tightness and safety of the casting residue treatment process, and reduces the pollution of pulverization and dust raising to the environment and the damage to a crown block driver when the slag pouring link is exploded. Improves the mechanization degree of the casting residue treatment and reduces the pollution to the environment.

Description

Environment-friendly treatment device for casting residues

Technical Field

The utility model relates to a metallurgical sediment treatment facility technical field especially relates to an environmental protection processing apparatus of casting residue.

Background

The casting residue is a mixture of residual molten steel and slag after the molten steel in the ladle is subjected to continuous casting or ingot casting. In the aspect of casting residue treatment, all steel mills basically adopt a direct hot pouring mode at present. After the water is poured into a hot splashing field and the temperature is reduced, the subsequent crushing and magnetic separation procedures are carried out.

At present, casting residue hot splashing operation is mainly performed by directly dumping a crown block in a hot splashing field, although the operation is simple, a dust collection system of the hot splashing field cannot perform sealed dust collection in the link, so that dust is seriously blown in the deslagging process, and the environment is polluted. And the dust collection cover of the prior common casting residue hot splashing field is mainly in a form of integral overturning or moving, so that the pipeline connection with a dust removal system is inconvenient, a dust collection port can only be arranged on a retaining wall of the hot splashing field, and if the casting residue pile is too high, the casting residue easily falls into the dust removal pipeline on the retaining wall to block the pipeline. In addition, no sealing measure is taken into consideration at the opening at the front end of the existing hot splashing field, and if the dust collecting effect of the top dust collecting cover is poor, a part of dust can escape from the front to pollute the environment.

Therefore, the casting residue environment-friendly treatment device is needed to be provided, the defects in the current casting residue hot splashing treatment technology are overcome, the problem that dust-containing smoke generated by pouring slag and hot splashing water by a crown block is difficult to treat in the existing casting residue hot splashing treatment process is solved, the whole casting residue treatment process is in a closed state, and the environmental pollution caused by casting residue hot splashing treatment is reduced.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an environmental protection processing apparatus of casting dregs through tipping machine, airtight cover and quick pile up the door, makes in the casting dregs processing procedure, and the hot application field is in airtight state, improves the degree of mechanization that the casting dregs were handled simultaneously, reduces the pollution to the environment.

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

an environment-friendly treatment device for casting residue comprises a tipping machine and a closed cover, wherein the tipping machine is arranged above retaining walls on two sides of a casting residue hot splashing field, and the closed cover is arranged above the retaining walls on two sides of the casting residue hot splashing field and the tipping machine; the tipping machine comprises a tipping machine motor, a tipping machine speed reducer and a tipping machine bracket, wherein the output end of the tipping machine motor is connected with the tipping machine speed reducer, and the tipping machine speed reducer is connected with the tipping machine bracket and can control the tipping machine bracket to rotate; the closed cover comprises a fixed closed cover and a movable closed cover, the fixed closed cover is arranged at one end of each retaining wall on two sides of the cast residue hot splashing field, and the movable closed cover can be moved to the top of the tilting machine relative to the fixed closed cover and is sealed above the retaining walls of the cast residue hot splashing field. The tipping machine is used for tipping the casting residue in the slag pot in a hot splashing field. The tipper replaces the overhead traveling crane to tip over the slag ladle to guarantee to be pouring the sediment in the hot splashing field under the encapsulated situation, avoided the raise dust of traditional processing technology pouring production link. The fixed closed cover of the closed cover is stably connected with the dust removal pipeline, the closed cover is moved to facilitate the crown block to place a slag tank on the tilting machine, the requirement of slag dumping and simultaneous sealing is met, and the defect that the closed cover of the traditional treatment process can only be fully opened or fully closed and cannot be well connected with the dust removal pipeline is overcome.

Preferably, the environmental protection processing apparatus is still including piling up the door fast, it sets up in the hot splashing field front end open-ended top of cast residue to pile up the door fast, pile up the door fast including piling up a motor, door curtain box and door curtain, be equipped with the door curtain spool in the door curtain box, pile up the output of a motor and the center pin connection of door curtain spool, the one end of door curtain is fixed to be set up on the axial lateral wall of door curtain spool. The quick accumulation door can prevent the front end opening of the casting residue hot splashing field from emitting ash outwards. The structure of piling up the door fast is similar with electric rolling shutter door, when tumbling and casting the dregs and beating the water cooling with casting the dregs, the door curtain of piling up the door fast gets off, seals the hot splashing field front end opening that does not seal up among the traditional treatment process, prevents that dusty gas from outwards losing, and it is sealed with whole hot splashing field of casting the dregs jointly with airtight cover.

Preferably, the tipping machine bracket is provided with a locking device. The locking device can tightly lock and fix the slag pot of the casting slag conveyed by the overhead travelling crane, so that the slag pot of the casting slag can rotate together with the bracket of the tilting machine, and the casting slag in the slag pot can be poured into a hot splashing field.

Preferably, the tipper speed reducer can control the tipper bracket to rotate between 0-150 degrees. The tipping machine speed reducer controls the tipping machine bracket to rotate, so that the slag pot of the casting residue fixed on the tipping machine bracket can rotate by 0-150 degrees, the casting residue in the slag pot can be completely poured into the hot splashing field, and then the slag pot of the casting residue can be controlled to return to the normal position.

Preferably, the closed cover further comprises a walking motor, walking wheels and walking tracks, the walking tracks are fixedly arranged above retaining walls on two sides of the cast residue hot splashing field, the walking motor and the walking wheels are fixedly arranged below the movable closed cover, the output end of the walking motor is connected with the walking wheels, and the walking wheels can roll on the walking tracks. The travelling motor drives the travelling wheels to travel on the travelling track on the retaining wall of the hot splashing field, and the closed cover is used for collecting generated dust-containing gas when the casting residues are tipped and cast and the casting residues are cooled by pumping water, so that the whole casting residue treatment process is in a closed state, and the pollution of pulverized flying dust to the environment and the injury to a crown block driver when the deslagging link is exploded are reduced.

Preferably, the two walking tracks are oppositely arranged, the number of the walking motors and the number of the walking wheels are four respectively, and the walking wheels are symmetrically arranged between the walking tracks.

Preferably, a dust removal system is arranged in the fixed closed cover. The closed cover sends the collected dust-containing gas to a dust removal system matched with the hot splashing field for purification and discharge.

Preferably, the material of the door curtain is a light material with high temperature resistance. The door curtain is mainly different from a common rolling door in that the door curtain is made of a high-temperature-resistant material capable of being baked at high temperature of steel slag in a hot splashing field, and is made of a light material, so that the rotating speed of a door motor is high, the opening and closing speed of the door curtain is high, the door curtain can be quickly rolled up and released, and the processing time of casting residues cannot be influenced.

The cast slag treatment method of the cast slag environment-friendly treatment device of the utility model comprises the following steps:

step 1, a slag pot filled with casting residues is placed on a tipping machine bracket of a tipping machine by a crown block, and a trunnion of the slag pot is locked and fixed by a locking device of the tipping machine bracket.

And 2, controlling the traveling wheels to move to the upper part of the tilting machine along the traveling track by the movable closed cover of the closed cover through the traveling motor, and closing the upper part of the casting residue hot splashing field.

And 3, the rapid stacking door is driven by a stacking door motor to put down a door curtain to block the front opening of the casting residue hot splashing field, and meanwhile, a dust removal system connected with the fixed sealing cover starts to perform dust collection operation.

And 4, driving a tipping machine bracket to rotate by a tipping motor of the tipping machine and a tipping machine speed reducer, so that the slag pot of the casting residue fixed on the tipping machine bracket is turned over, and the casting residue is tipped in a hot splashing field. After the pouring is finished, the tipping machine motor and the tipping machine speed reducer drive the tipping machine bracket to rotate, so that the slag tank of the casting residue returns to the right position.

And 5, controlling the travelling wheels to move to the position below the fixed closed cover by the movable closed cover of the closed cover through the travelling motor, opening a locking device of a bracket of the tilting machine, and lifting the empty slag tank of the casting residues by the overhead travelling crane.

And 6, controlling the traveling wheels to move to the upper part of the tilting machine along the traveling track by the movable sealing cover of the sealing cover through the traveling motor, and sealing the upper part of the casting residue hot splashing field.

And 7, starting a water pouring device of the casting residue hot splashing field, and pouring water to the casting residue in the casting residue hot splashing field for cooling.

And 8, after the casting residue is subjected to water pumping and temperature reduction treatment, lifting a door curtain of the rapid stacking door, and clearing the casting residue from the hot splashing field by using a forklift.

The utility model has the advantages as follows:

the utility model discloses owing to adopted above technical scheme, realized casting the dregs and pouring the sediment and beat the water cooling under the completely sealed condition, the environmental protection is up to standard, accords with national environmental protection policy. The method is completed through mechanical equipment, has high automation level, does not need workers to drive the crown block to pour the slag over the hot splashing field, improves the sealing property and the safety of the casting residue treatment process, and reduces the pollution of the pulverization raise dust to the environment and the damage to the crown block driver when the slag pouring link explodes. The whole process is completely finished by mechanical equipment from the time when the casting residue tank is placed on the tilting machine to the time when the water pumping and cooling are finished, the automation level is high, the labor intensity of workers is reduced, and the labor is saved. Improves the mechanization degree of the casting residue treatment and reduces the pollution to the environment.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to make the technical means more comprehensible, and to make the above and other objects, technical features, and advantages of the present invention easier to understand, one or more preferred embodiments are listed below, and the following detailed description is given with reference to the accompanying drawings.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.

FIG. 1 shows a schematic diagram of a closed side view structure of a closed cover of an environment-friendly treatment device for casting residues of the present invention.

FIG. 2 shows a side view of the tipping machine of the environment-friendly treatment device for casting slag of the present invention.

Fig. 3 shows a side view schematic structural diagram of the open state of the closed cover of the environment-friendly treatment device for casting residues of the utility model.

Fig. 4 shows a main view structure diagram of a fast stacking door of the environment-friendly treatment device for casting residues of the utility model.

Description of the main reference numerals:

1-tipping machine, 11-tipping machine motor, 12-tipping machine reducer, 13-tipping machine bracket, 2-sealing cover, 21-fixed sealing cover, 22-movable sealing cover, 23-traveling motor, 24-traveling wheel, 25-traveling track, 3-rapid stacking door, 31-stacking door motor, 32-curtain box and 33-curtain.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

Spatially relative terms, such as "under", "below", "lower", "upper", "over", "upper", and the like, may be used herein for convenience in describing the relationship of one element or feature to another element or feature in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the object in use or operation in addition to the orientation depicted in the figures. For example, if the items in the figures are turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the elements or features. Thus, the exemplary term "below" can encompass both an orientation of below and above. The articles may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative terms used herein should be interpreted accordingly.

As shown in fig. 1-4, an environment-friendly treatment device for casting residue comprises a tipping machine 1 and a closed cover 2, wherein the tipping machine 1 is arranged above retaining walls at two sides of a casting residue hot splashing field, and the closed cover 2 is arranged above the retaining walls at two sides of the casting residue hot splashing field and the tipping machine 1.

The tipping machine 1 comprises a tipping machine motor 11, a tipping machine speed reducer 12 and a tipping machine bracket 13, wherein the output end of the tipping machine motor 11 is connected with the tipping machine speed reducer 12, and the tipping machine speed reducer 12 is connected with the tipping machine bracket 13 and can control the tipping machine bracket 13 to rotate. The tipping machine 1 is used for tipping the casting slag in the slag pot in a hot splashing field. The tipper 1 replaces a crown block to tip over the slag pot, so that slag pouring in a hot splashing field under a closed state is guaranteed, and dust emission in the slag pouring production link of the traditional treatment process is avoided.

And a locking device is arranged on the tilting machine bracket 13. The locking device can tightly lock and fix the slag pot of the casting slag conveyed by the overhead travelling crane, so that the slag pot of the casting slag can rotate together with the bracket 13 of the tilting machine, and the casting slag in the slag pot can be poured into a hot splashing field.

The tipper speed reducer 12 can control the tipper bracket 13 to rotate between 0-150 degrees. The tilting machine speed reducer 12 controls the tilting machine bracket 13 to rotate, so that the slag pot of the casting residue fixed on the tilting machine speed reducer can rotate by 0-150 degrees, the casting residue in the slag pot can be completely poured into a hot splashing field, and then the slag pot of the casting residue can be controlled to return to the normal position.

The closed cover 2 comprises a fixed closed cover 21 and a movable closed cover 22, the fixed closed cover 21 is arranged at one end of each retaining wall on two sides of the cast residue hot splashing field, and the movable closed cover 22 can be moved to the upper part of the tipping machine 1 relative to the fixed closed cover 21 and is closed above the retaining wall on the cast residue hot splashing field. And a dust removal system is arranged in the fixed closed cover 21. The closed cover 2 sends the collected dust-containing gas to a dust removal system matched with the hot splashing field for purification and discharge. The fixed closed cover 21 of the closed cover 2 is stably connected with the dust removal pipeline, the movable closed cover 22 facilitates the overhead travelling crane to place a slag tank on the tipper 1, the requirement of slag dumping and simultaneous sealing is met, and the defect that the closed cover of the traditional treatment process can only be fully opened or fully closed and cannot be well connected with the dust removal pipeline is overcome.

The closed cover 2 further comprises a traveling motor 23, traveling wheels 24 and traveling tracks 25, the traveling tracks 25 are fixedly arranged above retaining walls on two sides of a cast residue hot splashing field, the traveling motor 23 and the traveling wheels 24 are fixedly arranged below the movable closed cover 22, the output end of the traveling motor 23 is connected with the traveling wheels 24, and the traveling wheels 24 can roll on the traveling tracks 25. The travelling motor 23 drives the travelling wheels 24 to travel on the travelling track 25 on the retaining wall of the hot splashing field, and the closed cover 2 is used for collecting generated dust-containing gas when the cast residues and the cast residues are tipped and cooled by pumping water, so that the whole cast residue treatment process is in a closed state, and the pollution of pulverized and raised dust to the environment and the damage to a crown block driver when the slag pouring link explodes are reduced.

The two walking tracks 25 are oppositely arranged, the number of the walking motors 23 and the number of the walking wheels 24 are four, and the walking wheels 24 are symmetrically arranged between the walking tracks 25.

The environment-friendly treatment device further comprises a fast stacking door 3, the fast stacking door 3 is arranged above an opening at the front end of the cast residue hot splashing field, the fast stacking door 3 comprises a stacking door motor 31, a door curtain box 32 and a door curtain 33, a door curtain reel is arranged in the door curtain box 32, the output end of the stacking door motor 31 is connected with the central shaft of the door curtain reel, and one end of the door curtain 33 is fixedly arranged on the axial outer side wall of the door curtain reel. The fast accumulation door 3 can prevent the front end opening of the casting residue hot splashing field from emitting ash outwards. The structure of the fast stacking door 3 is similar to that of an electric rolling door, when the slag is cast in a tilting manner and cast, and the slag is cooled by pumping water, the door curtain 33 of the fast stacking door 3 is put down, an opening at the front end of a hot splashing field which is not sealed in the traditional treatment process is sealed, dust-containing gas is prevented from escaping outwards, and the fast stacking door and the closed cover 2 jointly seal the whole hot splashing field for casting the slag.

The door curtain 33 is made of a high-temperature-resistant light material. The door curtain 33 is mainly different from a common rolling door in that the door curtain 33 is made of a high-temperature-resistant material which can withstand high-temperature baking of steel slag in a hot splashing field, and the door curtain 33 is made of a light material, so that the rotating speed of the door motor 31 is high, the opening and closing speed of the door curtain 33 is high, the door curtain can be quickly rolled up and released, and the processing time of casting residues cannot be influenced.

The casting slag treatment method of the casting slag environment-friendly treatment device of the utility model comprises the following steps:

step 1, a slag pot filled with casting residues is placed on a tilting machine bracket 13 of a tilting machine 1 by a crown block, and a trunnion of the slag pot is locked and fixed by a locking device of the tilting machine bracket 13.

And 2, controlling the travelling wheels 24 to move to the upper part of the tipper 1 by the travelling motor 23 of the movable sealing cover 22 of the sealing cover 2 along the travelling track 25 to seal the upper part of the casting residue hot splashing field.

And 3, the rapid stacking door 3 is driven by a stacking door motor 31 to put down a door curtain 33, so that an opening at the front end of a casting residue hot splashing field is blocked, and meanwhile, a dust removing system connected with the fixed closed cover 21 starts to perform dust collecting operation.

And 4, driving a tipping machine bracket 13 to rotate by a tipping motor 11 and a tipping machine speed reducer 12 of the tipping machine 1, so that a slag pot of the casting slag fixed on the tipping machine bracket 13 is turned over, and the casting slag is poured in a hot splashing field. After the dumping is finished, the tilting machine motor 11 and the tilting machine speed reducer 12 drive the tilting machine bracket 13 to rotate, so that the slag tank of the casting residue is aligned.

And 5, controlling the travelling wheels 24 of the travelling closed cover 22 of the closed cover 2 to move to the lower part of the fixed closed cover 21 along the travelling rails 25 through the travelling motor 23, opening the locking device of the tipping machine bracket 13, and hoisting the empty slag tank of the casting residues by the overhead travelling crane.

And 6, controlling the travelling wheels 24 of the travelling hood 22 of the closed hood 2 to move to the upper part of the tipper 1 along the travelling track 25 through the travelling motor 23, and closing the upper part of the casting residue hot splashing field.

And step 8, after the casting residue is subjected to water pumping and temperature reduction treatment, lifting a door curtain 33 of the rapid stacking door 3, and carrying out clearing of the casting residue from the hot splashing field by using a forklift.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to be exhaustive or to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application, to thereby enable others skilled in the art to make and utilize various exemplary embodiments of the invention and various alternatives and modifications. Any simple modifications, equivalent changes and modifications made to the above exemplary embodiments shall fall within the scope of the present invention.

Claims

1. The environment-friendly treatment device for the cast slag is characterized by comprising a tilting machine (1) and a closed cover (2), wherein the tilting machine (1) is arranged above retaining walls on two sides of a cast slag hot splashing field, and the closed cover (2) is arranged above the retaining walls on two sides of the cast slag hot splashing field and the tilting machine (1);

the tipping machine (1) comprises a tipping machine motor (11), a tipping machine speed reducer (12) and a tipping machine bracket (13), wherein the output end of the tipping machine motor (11) is connected with the tipping machine speed reducer (12), and the tipping machine speed reducer (12) is connected with the tipping machine bracket (13) and can control the tipping machine bracket (13) to rotate;

airtight cover (2) are including fixed airtight cover (21) and removal airtight cover (22), fixed airtight cover (21) set up the one end at the hot splash field both sides barricade of casting the dregs, it can remove to the top of tipping machine (1) and will cast the hot splash field barricade top and seal for fixed airtight cover (21) to remove airtight cover (22).

2. The cast slag environment-friendly treatment device according to claim 1, further comprising a rapid stacking door (3), wherein the rapid stacking door (3) is arranged above the front end opening of the cast slag hot splashing field, the rapid stacking door (3) comprises a stacking door motor (31), a curtain box (32) and a curtain (33), a curtain reel is arranged in the curtain box (32), the output end of the stacking door motor (31) is connected with the central shaft of the curtain reel, and one end of the curtain (33) is fixedly arranged on the axial outer side wall of the curtain reel.

3. An environmental protection treatment device for casting residue according to claim 2, wherein the tipping machine bracket (13) is provided with a locking device.

4. An environmentally friendly cast slag disposal device as claimed in claim 3, wherein said tipper speed reducer (12) is adapted to control the rotation of the tipper carriage (13) between 0 ° and 150 °.

5. The environment-friendly casting residue treatment device according to claim 4, wherein the closed cover (2) further comprises a traveling motor (23), traveling wheels (24) and traveling rails (25), the traveling rails (25) are fixedly arranged above the retaining walls on two sides of the casting residue hot splashing field, the traveling motor (23) and the traveling wheels (24) are fixedly arranged below the movable closed cover (22), the output end of the traveling motor (23) is connected with the traveling wheels (24), and the traveling wheels (24) can roll on the traveling rails (25).

6. The environment-friendly casting slag treatment device according to claim 5, wherein the two walking rails (25) are oppositely arranged, the number of the walking motors (23) and the number of the walking wheels (24) are four, and the walking wheels (24) are symmetrically arranged between the walking rails (25).

7. An environmentally friendly casting slag processing apparatus according to claim 1, wherein a dust removal system is provided in the stationary enclosure (21).

8. The environment-friendly treatment device for the casting residue as claimed in claim 2, wherein the door curtain (33) is made of a high-temperature-resistant light material.