CN117737322A

CN117737322A - Metallurgical slag treatment device

Info

Publication number: CN117737322A
Application number: CN202311812162.0A
Authority: CN
Inventors: 陈欠; 周明爽
Original assignee: Guangzhou Guansheng Machinery Co ltd
Current assignee: Guangzhou Guansheng Machinery Co ltd
Priority date: 2023-12-26
Filing date: 2023-12-26
Publication date: 2024-03-22

Abstract

The invention discloses a metallurgical slag treatment device, and belongs to the technical field of metallurgical equipment; the metallurgical slag treatment device comprises a box body, wherein an upper cover capable of lifting is arranged at the upper end of the box body, a supporting plate with a plurality of through holes is fixed below the upper cover, and the supporting plate is matched with an inner cavity of the box body; the box body is provided with a water inlet pipe and a smoke exhaust pipe, one end of the smoke exhaust pipe, which is far away from the box body, is provided with an air pump, and an exhaust pipe of the air pump is connected with an air storage tank; injecting water into the box body to contact with slag, and carrying out water quenching to recover heat and slag; and smoke dust is discharged through the smoke discharge pipe and discharged into the air storage tank for centralized storage, so that pollution caused by the fact that the smoke dust is directly discharged into the atmosphere is avoided.

Description

Metallurgical slag treatment device

Technical Field

The invention belongs to the technical field of metallurgical equipment, and particularly relates to a metallurgical slag treatment device.

Background

The iron and steel industry discharges a large amount of waste while producing iron and steel products, and causes serious pollution to the environment. In order to change waste into valuable, blast furnace slag, which is one of wastes, and heat energy recycling thereof are important breaks of energy in the steel industry. At present, a water quenching method is mainly adopted for blast furnace slag heat energy recovery, but the water quenching method can generate a large amount of harmful dust and smoke, and if the harmful dust and smoke are discharged in an unordered way, serious pollution is caused to the atmosphere, water and soil; for this purpose, a metallurgical slag treatment device is proposed.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a metallurgical slag treatment device which solves the problems in the prior art.

The aim of the invention can be achieved by the following technical scheme:

a metallurgical slag treatment device comprises a box body, wherein an upper cover capable of lifting is arranged at the upper end of the box body, a supporting plate with a plurality of through holes is fixed below the upper cover, and the supporting plate is matched with an inner cavity of the box body;

the box is provided with a water inlet pipe and a smoke exhaust pipe, one end of the smoke exhaust pipe, which is far away from the box, is provided with an air pump, and an exhaust pipe of the air pump is connected with an air storage tank.

Further, a first mounting groove is formed in the smoke exhaust pipe, and a filter screen is mounted in the first mounting groove in a matched mode.

Further, the filter screen upper end is provided with first fixed plate, and first fixed plate and exhaust pipe bolted connection.

Further, a second mounting groove is formed in the smoke exhaust pipe, a baffle is mounted in the second mounting groove in a matched mode, and a second fixing plate and a third fixing plate are respectively arranged at the upper end and the lower end of the baffle; the lower extreme of third fixed plate is provided with two guide arms, is provided with two fourth fixed plates on the exhaust pipe, and two guide arms run through two fourth fixed plates respectively and with fourth fixed plate sliding connection, the cover is equipped with first spring on the guide arm, the upper and lower both ends of first spring respectively with fourth fixed plate and third fixed plate fixed connection, under the elasticity effect of first spring, the second fixed plate can rise and hug closely on the interior top surface of exhaust pipe, with the shutoff of second mounting groove.

Further, a linkage assembly is arranged on one side of the box body, the linkage assembly comprises a fixed rod fixed at the lower end of the guide rod, the fixed rod is connected with a first rack in a sliding mode in the vertical direction, the sliding direction is the vertical direction, and a second spring is arranged between the first rack and the fixed rod; the box body is rotationally connected with a rotating shaft, a gear is fixed on the rotating shaft, and the gear is meshed with the first rack; one side of upper cover is fixed with the connecting rod, and the lower tip of connecting rod is provided with the second rack, and the second rack is located the one side that the gear was facing away from first rack, and when the connecting rod rose, the second rack can take place the meshing with the second gear.

Further, in the ascending process of the upper cover, the second rack ascends and drives the second rack to descend, then the baffle plate is driven to descend, the first spring is compressed, and the baffle plate seals the smoke exhaust pipe before the supporting plate ascends to the height of the smoke exhaust pipe; along with the continuous rising of the supporting plate, the baffle keeps sealing the smoke exhaust pipe all the time, and the second spring starts to be compressed.

Further, the elastic coefficient of the second spring is larger than that of the first spring.

Further, a valve is arranged on the water inlet pipe.

A metallurgical system comprising the slag treatment device described above.

The invention has the beneficial effects that:

1. the upper cover capable of lifting is arranged on the box body, the supporting plate provided with the through holes is fixedly connected below the upper cover and used for bearing slag, water can be injected into the box body to contact with the slag, water quenching is carried out, and heat and slag are recovered; and through setting up the exhaust pipe in box one side, exhaust pipe and aspiration pump intercommunication, and still be provided with the filter screen in the exhaust pipe, the smoke and dust that the water quench produced is filtered the particulate matter through the filter screen under the effect of aspiration pump, and then is discharged into the gas holder and concentrated storage, avoids the smoke and dust to directly discharge into the atmosphere and causes the pollution.

2. The blocking and opening of the smoke exhaust pipe are realized by arranging the baffle plate assembly on the smoke exhaust pipe; and through setting up the linkage subassembly, the backup pad can be with the shutoff of discharging fume the pipe when discharging fume the pipe through the cooperation subassembly, avoids the aspiration pump to inhale the exhaust pipe with the granule slag in the backup pad in to cause to get the material inadequately.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the upper cover assembly of the present invention;

FIG. 3 is a schematic view of the smoke exhaust pipe structure of the present invention;

FIG. 4 is a schematic view of the structure of the filter screen of the present invention;

FIG. 5 is a schematic view of the baffle assembly of the present invention;

fig. 6 is a schematic view of the linkage assembly structure of the present invention.

Detailed Description

The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

As shown in fig. 1, a metallurgical slag treatment device comprises a box body 1, wherein the upper end of the box body 1 is open, an upper cover assembly 2 is arranged on the box body 1, as shown in fig. 2, the upper cover assembly 2 comprises an upper cover 21 which can be lifted, at least two support rods 22 are fixed at the lower end of the upper cover 21, a support plate 23 is fixed at the lower end of each support rod 22, the support plate 23 is matched with the inner cavity of the box body 1, a plurality of through holes are formed in the support plate 23, and slag is placed at the upper end of the support plate 23; water is injected into the box body 1, the water is contacted with high-temperature slag, water quenching and cooling are realized, the temperature is transferred into the water, and heat energy is recovered in a heat exchange mode; after the water quenching is finished, the upper cover 21 is controlled to ascend and the supporting plate 23 is driven to ascend, so that the cooled slag can be taken out of the box body 1;

in the present embodiment, the upper cover 21 is driven to rise and fall by providing an air cylinder on the case 1; of course, the manner of driving the upper cover 21 to be lifted includes, but is not limited to, an air cylinder in the present embodiment, and in some embodiments, a linear driving member such as a hydraulic cylinder, an electric push rod, or the like may be provided on one side of the housing 1 instead of the air cylinder, and the upper cover 21 may be driven to be lifted.

A water inlet pipe 3 is arranged on one side of the box body 1, a valve is arranged on the water inlet pipe 3, and water can be injected into the box body 1 and contacted with high-temperature slag by opening the valve; it should be noted that, after the water injection is finished, the valve needs to be closed immediately, so as to avoid smoke dust generated in the water quenching process from being discharged into the atmosphere from the water inlet pipe 3.

One side of the box 1 is provided with a smoke exhaust pipe 4, one end of the smoke exhaust pipe 4 away from the box 1 is provided with an air suction pump 6, an air inlet pipe of the air suction pump 6 is communicated with the smoke exhaust pipe 4, the tail end of an exhaust pipe of the air suction pump 6 is connected with an air storage tank 7, and smoke dust generated in the water quenching process can be sucked into the smoke exhaust pipe 4 and finally discharged into the air storage tank 7 for storage, so that direct discharge into the atmosphere is avoided, and pollution is caused.

In this embodiment, as shown in fig. 3 and 4, the smoke exhaust pipe 4 is provided with a first installation groove 41, a filter screen 5 is installed in the first installation groove 41 in a matching manner, and the smoke dust entering the smoke exhaust pipe 4 firstly passes through the filter screen 5 to intercept and filter the particulate matters, so as to prevent the particulate matters from entering the air pump 6, thereby playing a certain role in protecting the air pump 6;

in addition, the upper end of filter screen 5 is fixed with first fixed plate 51, and is fixed through bolted connection's mode between first fixed plate 51 and the exhaust pipe 4 to the clearance is dismantled to filter screen 5 to the later stage.

The upper end of the smoke exhaust pipe 4 is provided with a second mounting groove 42, a baffle plate assembly 8 is arranged in the second mounting groove 42, the baffle plate assembly 8 comprises a baffle plate 81 matched with the second mounting groove 42, and the upper end and the lower end of the baffle plate 81 are respectively provided with a second fixing plate 82 and a third fixing plate 83; the lower end of the third fixing plate 83 is provided with two guide rods 84, the smoke exhaust pipe 4 is provided with two fourth fixing plates 43, the two guide rods 84 penetrate through the two fourth fixing plates 43 respectively and are connected with the fourth fixing plates 43 in a sliding mode, the guide rods 84 are sleeved with first springs 85, the upper ends and the lower ends of the first springs 85 are fixedly connected with the fourth fixing plates 43 and the third fixing plates 83 respectively, under the action of elasticity of the first springs 85, the second fixing plates 82 can ascend and cling to the inner top surface of the smoke exhaust pipe 4 to seal the second mounting grooves 42, and at the moment, the smoke exhaust pipe 4 is kept smooth;

when the second fixing plate 82 is closely attached to the inner bottom surface of the smoke exhaust pipe 4 by controlling the baffle 81 to descend, the smoke exhaust pipe 4 is completely blocked, and gas does not circulate.

It should be noted that, during the process of the supporting plate 23 driving the slag to rise, the slag passes through the smoke exhaust pipe 4, if the air pump 6 works at this time and the baffle 81 fails to block the smoke exhaust pipe 4, there is a risk of sucking the small-particle slag into the smoke exhaust pipe 4, so that insufficient material taking is caused; in order to ensure that the baffle 81 can block the smoke exhaust pipe 4 when the support plate 23 passes through the smoke exhaust pipe 4, in this embodiment, a linkage assembly 9 is arranged outside the box body 1;

as shown in fig. 6, the linkage assembly 9 includes a fixing rod 91 fixed at the lower end of the guide rod 84, a first rack 92 is slidably connected to the fixing rod 91, and the sliding direction is a vertical direction, and a second spring 93 is arranged between the first rack 92 and the fixing rod 91 to realize elastic connection between the first rack 92 and the fixing rod 91; a rotating shaft 94 is rotatably connected to the box body 1, a gear 95 is fixed on the rotating shaft 94, and the gear 95 is meshed with the first rack 92; a connecting rod 96 is fixed on one side of the upper cover 21, a second rack 961 is arranged at the lower end part of the connecting rod 96, the second rack 961 is positioned on one side of the gear 95 opposite to the first rack 92, and when the connecting rod 96 ascends, the second rack 961 can be meshed with the second gear 95;

in this embodiment, the elastic coefficient of the second spring 93 is much larger than that of the first spring 85, and the second rack 961 can be lifted up and drive the second rack 92 to descend and then drive the baffle 81 to descend during the lifting of the upper cover 21, the first spring 85 is compressed, and the baffle 81 seals the smoke discharge pipe 4 before the supporting plate 23 is lifted up to the height of the smoke discharge pipe 4; as the support plate 23 continues to rise (until it rises above the box 1 to facilitate unloading), the baffle 81 always keeps the smoke discharge pipe 4 blocked, and the second spring 93 starts to be compressed, thereby ensuring that the rising of the support plate 23 is not blocked.

Working principle:

the upper cover 21 capable of lifting is arranged on the box body 1, a supporting plate 23 provided with a through hole is fixedly connected below the upper cover 21, the supporting plate 23 is used for receiving slag, water can be injected into the box body 1 to contact with the slag, water quenching is carried out, and heat and slag are recovered; and through setting up the tobacco pipe 4 of discharging fume in box 1 one side, the tobacco pipe 4 of discharging fume communicates with aspiration pump 6, and still is provided with filter screen 5 in the tobacco pipe 4 of discharging fume, and the smoke and dust that the water quenching produced is filtered the particulate matter through filter screen 5 under aspiration pump 6's effect, and the storage is concentrated in the gas holder 7 again, avoids the smoke and dust directly to discharge into the atmosphere and causes the pollution. The blocking and opening of the smoke exhaust pipe are realized by arranging the baffle plate component 8 on the smoke exhaust pipe 4; and through setting up linkage assembly 9, backup pad 23 is when discharging fume 4 through the pipe, and baffle 81 can be with discharging fume 4 shutoff, avoids aspiration pump 6 to inhale discharging fume 4 with the granule slag on the backup pad 23 in to cause to get the material inadequately.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.

Claims

1. The metallurgical slag treatment device comprises a box body (1), and is characterized in that an upper cover (21) capable of lifting is arranged at the upper end of the box body (1), a supporting plate (23) with a plurality of through holes is fixed below the upper cover (21), and the supporting plate (23) is matched with the inner cavity of the box body (1);

the novel water tank is characterized in that a water inlet pipe (3) and a smoke exhaust pipe (4) are arranged on the tank body (1), one end, far away from the tank body (1), of the smoke exhaust pipe (4) is provided with an air extracting pump (6), and an exhaust pipe of the air extracting pump (6) is connected with an air storage tank (7).

2. The metallurgical slag treatment device according to claim 1, wherein the fume exhaust pipe (4) is provided with a first mounting groove (41), and a filter screen (5) is mounted in the first mounting groove (41) in a matched manner.

3. The metallurgical slag treatment device according to claim 2, characterized in that the upper end of the filter screen (5) is provided with a first fixing plate (51), the first fixing plate (51) being bolted to the fume exhaust pipe (4).

4. The metallurgical slag treatment device according to claim 1, wherein the smoke exhaust pipe (4) is provided with a second installation groove (42), a baffle (81) is installed in the second installation groove (42) in a matched manner, and the upper end and the lower end of the baffle (81) are respectively provided with a second fixing plate (82) and a third fixing plate (83); the lower extreme of third fixed plate (83) is provided with two guide arms (84), is provided with two fourth fixed plates (43) on the exhaust pipe (4), two guide arms (84) run through two fourth fixed plates (43) respectively and with fourth fixed plate (43) sliding connection, the cover is equipped with first spring (85) on guide arm (84), the upper and lower both ends of first spring (85) respectively with fourth fixed plate (43) and third fixed plate (83) fixed connection, under the elasticity effect of first spring (85), second fixed plate (82) can rise and hug closely on the interior top surface of exhaust pipe (4), come with second mounting groove (42) shutoff.

5. The metallurgical slag treatment device according to claim 4, wherein a linkage assembly (9) is arranged on one side of the box body (1), the linkage assembly (9) comprises a fixed rod (91) fixed at the lower end of the guide rod (84), the fixed rod (91) is slidably connected with a first rack (92) in the vertical direction, the sliding direction is the vertical direction, and a second spring (93) is arranged between the first rack (92) and the fixed rod (91); a rotating shaft (94) is rotatably connected to the box body (1), a gear (95) is fixed on the rotating shaft (94), and the gear (95) is meshed with the first rack (92); one side of upper cover (21) is fixed with connecting rod (96), and the lower tip of connecting rod (96) is provided with second rack (961), and second rack (961) are located one side that gear (95) were facing away from first rack (92), and when connecting rod (96) rose, second rack (961) can take place the meshing with second gear (95).

6. The metallurgical slag treatment unit according to claim 5, wherein the second rack (961) is raised and moves the second rack (92) down and then the baffle (81) is moved down during the raising of the upper cover (21), the first spring (85) is compressed, and the baffle (81) closes off the fume pipe (4) before the support plate (23) is raised to the height of the fume pipe (4); along with the continuous rising of the supporting plate (23), the baffle plate (81) always keeps the smoke exhaust pipe (4) to be blocked, and the second spring (93) starts to be compressed.

7. The metallurgical slag treatment unit of claim 6, wherein said second spring (93) has a spring rate greater than the spring rate of said first spring (85).

8. A metallurgical slag treatment unit according to claim 1, characterized in that the inlet pipe (3) is provided with a valve.

9. A metallurgical system comprising the slag treatment device of any one of claims 1-8.