CN215524225U - Energy-saving slag recycling equipment - Google Patents

Abstract

The utility model discloses energy-saving slag recycling equipment in the technical field of slag recycling equipment, which comprises a recycling bin, a conveying belt, a discharge chute, a feeding bin, a heat exchange pipe, a feeding port, an installation bin and a rotary roller, wherein a plurality of cutters are arranged on the roller surface of the rotary roller along the axial direction of the rotary roller in an array manner, a buffer bin is arranged on the outer wall of the feeding bin, a buffer plate is hinged to the inner top wall of the buffer bin, the buffer plate is matched with the cutters for use, and the buffer plate is driven by an elastic reset unit to swing towards the direction of the rotary roller. Through setting up the heat exchange tube, can carry out recycle to the waste heat in the slag, improve energy-concerving and environment-protective, through setting up cutter, buffer board, the cutter can cut the slag that falls into between buffer board, the commentaries on classics roller for the slag of large tracts of land can be cut into the less piece of volume, so that the conveyer belt carries the slag, can make the inside heat of slag fully give off in addition, in order to promote to carry out abundant recovery to the waste heat of slag.

Description

Energy-saving slag recycling equipment

Technical Field

The utility model relates to the technical field of slag recovery equipment, in particular to energy-saving slag recovery and utilization equipment.

Background

As a by-product of iron and steel smelting, the main components of blast furnace slag are oxides such as calcium oxide, silicon dioxide, aluminum oxide and magnesium oxide, and the blast furnace slag is a good raw material for producing glass ceramics. The method mainly aims at the prior art of preparing the microcrystalline glass by using the blast furnace slag, and is a melting method or a sintering method. The melting method comprises a series of processes of material mixing, melting, molding, nucleating, crystallizing and the like, and the sintering method requires the working procedures of material mixing, cold pressing or hot pressing molding, high-temperature sintering, subsequent heat treatment and the like.

When the blast furnace slag is discharged, the residual heat of the slag is not fully utilized, and through retrieval, Chinese patent No. CN211255965U discloses a blast furnace slag sensible heat recycling system, which comprises a molten blast furnace slag leading-in part, a liquid metal cooling part and an air cooling part; the molten-state blast furnace slag leading-in part comprises a leading-in gutter and a guide plate, wherein a slag inlet of the leading-in gutter is communicated with the blast furnace, and a slag outlet of the leading-in gutter is communicated with a slag inlet of the guide plate; the liquid metal cooling part comprises a liquid metal tank and a sensible heat recovery device; the liquid metal bath comprises an upstream chamber, a midstream chamber and a downstream chamber, wherein the upstream chamber and the midstream chamber have a bath bottom of the same height, the height of the bath bottom of the downstream chamber is lower than the heights of the bath bottoms of the upstream chamber and the midstream chamber, and the upstream chamber and the midstream chamber are separated by a first partition wall which is suspended from the upper part of the liquid metal bath, the midstream chamber and the downstream chamber are separated by a second partition wall which is raised from the bath bottom, and the second partition wall forms a slope toward the downstream chamber side; the air cooling part comprises a conveying and recovering component and an air cooling component.

In the prior art, slag is exposed to the external environment, so that loss of heat of the slag is caused during recovery, the slag is large in area, the slag is inconvenient to convey, and the heat inside the slag cannot be fully recycled.

In order to solve the problems, an energy-saving slag recycling device is provided.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide an energy-saving slag recycling device, and in order to solve the technical problem, the utility model provides the following technical scheme:

the utility model provides energy-saving slag recycling equipment which comprises a recycling bin with an inner closed part, wherein a conveying belt is arranged in the recycling bin, a discharge chute is arranged at the lower end part of the recycling bin, a feeding bin is arranged at the top of the recycling bin, a heat exchange pipe corresponding to the conveying belt is arranged in the recycling bin, a feeding port is arranged at the upper end of the feeding bin, an installation bin communicated with the feeding bin is arranged on the feeding bin, a rotary roller is horizontally and rotatably connected in the installation bin, a plurality of cutters are arranged on the roller surface of the rotary roller along the axial array of the rotary roller, a buffer bin is arranged on the outer wall of the feeding bin, a buffer plate is hinged to the top wall in the buffer bin, the buffer plate is matched with the cutters for use, and the buffer plate is driven by an elastic reset unit to swing towards the rotary roller.

Preferably, the conveyer belt is equipped with threely the conveyer belt top-down defines in proper order to first conveyer belt, second conveyer belt, third conveyer belt, adjacent two the traffic direction of conveyer belt is opposite, the discharge end of first conveyer belt is located second conveyer belt pan feeding end top, the discharge end of second conveyer belt is located third conveyer belt pan feeding end top, the discharge end of third conveyer belt corresponds the blown down tank.

Preferably, the recycling bin is connected with a filtering bin in a through mode, activated carbon is filled in the filtering bin, a connector is arranged on the filtering bin, and the connector is communicated with external air extraction equipment through a pipeline.

Preferably, the buffer plate is entirely made of a stainless steel material.

Preferably, the elastic reset unit comprises an installation sleeve hinged on the buffer bin, a sliding rod capable of freely sliding along the axial direction of the installation sleeve is arranged on the installation sleeve in a penetrating mode, one end, penetrating out of the installation sleeve, of the sliding rod is hinged on the buffer board, a floating ring is sleeved on the sliding rod, a spring is further sleeved on the sliding rod, two ends of the spring in the elastic direction respectively elastically abut against the floating ring and the installation sleeve, and a limit nut is sleeved at the other end of the sliding rod.

Compared with the prior art, the utility model has the beneficial effects that: through setting up the heat exchange tube, can carry out recycle to the waste heat in the slag, improve energy-concerving and environment-protective, through setting up the cutter, the buffer board, the cutter can be to falling into the buffer board, the slag between the commentaries on classics roller is cut, make the slag of large tracts of land can be cut into the less piece of volume, so that the conveyer belt carries the slag, can make the inside heat of slag fully give off in addition, in order to promote to carry out abundant recovery to the waste heat of slag, through setting up elasticity reset unit, make the slag that can hold different thickness between buffer board and the commentaries on classics roller, in order to make the cutter can cut the slag of different thickness.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of an energy-saving slag recycling apparatus according to the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1.

In the figure: 1-a feeding port, 2-a feeding bin, 3-a buffering bin, 4-an installation bin, 5-a rotating roller, 6-a recovery bin, 7-a first conveying belt, 8-a filtering bin, 9-a connector, 10-a discharging groove, 11-a third conveying belt, 12-a second conveying belt, 13-a heat exchange pipe, 14-a cutter, 15-a buffering plate, 16-a sliding rod, 17-a floating ring, 18-a spring, 19-a limiting nut and 20-an installation sleeve.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Examples

As shown in figure 1-2, an energy-saving slag recycling device comprises a recycling bin 6 with an inner closed part, a conveying belt is arranged in the recycling bin 6, a discharge chute 10 is arranged at the lower end part of the recycling bin, three conveying belts are arranged, the three conveying belts are sequentially defined as a first conveying belt 7, a second conveying belt 12 and a third conveying belt 11 from top to bottom, the running directions of the two adjacent conveying belts are opposite, the discharge end of the first conveying belt 7 is positioned above the feeding end of the second conveying belt 12, the discharge end of the second conveying belt 12 is positioned above the feeding end of the third conveying belt 11, the discharge end of the third conveying belt 11 corresponds to the discharge chute 10, a feeding bin 2 is arranged at the top part of the recycling bin 6, a heat exchange pipe 13 corresponding to the conveying belts is arranged in the recycling bin 6, a feeding port 1 is arranged at the upper end of the feeding bin 2, an installation bin 4 communicated with the inner part of the feeding bin 2 is arranged, a rotating roller 5 is connected in the installation bin 4 in a horizontal rotating way, the device comprises a rotary roller 5, a plurality of cutters 14 are arranged on the roller surface of the rotary roller 5 along the axial direction in an array mode, a buffer bin 3 is arranged on the outer wall of a feeding bin 2, a buffer plate 15 is hinged to the inner top wall of the buffer bin 3, the buffer plate 15 is matched with the cutters 14 for use, furnace slag in a blast furnace enters the feeding bin 2 from a feeding port 1, an external motor drives the rotary roller 5 to rotate, the cutters 14 cut the furnace slag falling between the buffer plate 15 and the rotary roller 5 to cut large-area furnace slag into a plurality of fragments with small volume, the buffer plate 15 is driven to swing towards the direction of the rotary roller 5 by an elastic resetting unit, the elastic resetting unit comprises a mounting sleeve 20 hinged to the buffer bin 3, a sliding rod 16 capable of freely sliding along the axial direction is arranged on the mounting sleeve 20 in a penetrating mode, one end of the sliding rod 16, penetrating through the mounting sleeve 20, is hinged to the buffer plate 15 and sleeved with a floating ring 17, a spring 18 is further sleeved on the floating ring 18, and two ends of the spring 18 in the elastic direction respectively abut against the floating ring 17, A mounting sleeve 20, a limit nut 19 is sleeved at the other end of the sliding rod 16, the floating ring 17 is elastically supported by the spring 18, and the buffer plate 15 can be driven to swing towards the direction of the roller 5 in a natural state, so that furnace slag with different thicknesses can enter the buffer plate 15 and between the rollers 5, and the cutter 14 can cut the furnace slag with different thicknesses, in addition, when the cutter 14 supports against the buffer plate 15, the damage to the edge part of the cutter 14 is avoided through the swing of the buffer plate 15, the whole buffer plate 15 is made of stainless steel, so that the furnace slag is not easy to be bonded on the buffer plate 15, the furnace slag cut into fragments falls onto the first conveyer belt 7 and is conveyed to the discharge end by the first conveyer belt 7 and then falls into the feed end of the second conveyer belt 12, the furnace slag is conveyed to the discharge end by the second conveyer belt 12 and then falls onto the third conveyer belt 11, in transportation process, heat exchange tube 13 carries out the heat transfer with the slag, the realization is carried out recycle to the waste heat of slag, promote the waste heat utilization efficiency of slag, make the slag more energy-concerving and environment-protective in addition, it has filter storehouse 8 to link up on the recovery storehouse 6, it is filled with active carbon to filter storehouse 8 intussuseption, be equipped with interface 9 on the filter storehouse 8, interface 9 passes through the pipeline and communicates with outside air exhaust equipment, produce the negative pressure through outside air exhaust equipment, make the smoke and dust in the recovery storehouse 6 get into in filtering storehouse 8, and filter by active carbon, avoid during the smoke and dust discharges into external environment, the slag on the third conveyer belt 11 falls into blown down tank 10 by the discharge end of third conveyer belt 11 again.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. An energy-saving slag recycling device is characterized by comprising a recycling bin (6) with an inner closed part, wherein a conveying belt is installed in the recycling bin (6), a discharge chute (10) is arranged at the lower end part of the recycling bin, a feeding bin (2) is installed at the top of the recycling bin, a heat exchange pipe (13) corresponding to the conveying belt is arranged in the recycling bin (6), a feeding port (1) is arranged at the upper end of the feeding bin (2), an installation bin (4) communicated with the feeding bin (2) is arranged on the feeding bin (2), a rotary roller (5) is horizontally and rotatably connected in the installation bin (4), a plurality of cutters (14) are arranged on the roller surface of the rotary roller (5) along the axial direction of the cutter, a buffer bin (3) is arranged on the outer wall of the feeding bin (2), a buffer plate (15) is hinged on the inner top wall of the buffer bin (3), and the buffer plate (15) is matched with the cutters (14), the buffer plate (15) is driven by the elastic reset unit to swing towards the direction of the rotating roller (5).

2. The energy-saving slag recycling device according to claim 1, wherein there are three conveying belts, the three conveying belts are sequentially defined as a first conveying belt (7), a second conveying belt (12) and a third conveying belt (11) from top to bottom, the running directions of two adjacent conveying belts are opposite, the discharging end of the first conveying belt (7) is located above the feeding end of the second conveying belt (12), the discharging end of the second conveying belt (12) is located above the feeding end of the third conveying belt (11), and the discharging end of the third conveying belt (11) corresponds to the discharging chute (10).

3. The energy-saving slag recycling device according to claim 1, wherein the recycling bin (6) is connected with a filtering bin (8) in a through manner, the filtering bin (8) is filled with activated carbon, the filtering bin (8) is provided with an interface (9), and the interface (9) is communicated with an external air extraction device through a pipeline.

4. The energy-saving slag recycling apparatus according to claim 1, wherein the buffer plate (15) is made of a stainless steel material as a whole.

5. The energy-saving slag recycling device according to claim 1, wherein the elastic reset unit comprises a mounting sleeve (20) hinged to the surge bin (3), a sliding rod (16) capable of freely sliding along the axial direction of the mounting sleeve (20) penetrates through the mounting sleeve (20), one end of the sliding rod (16) penetrating through the mounting sleeve (20) is hinged to the surge plate (15), a floating ring (17) is sleeved on the sliding rod, a spring (18) is further sleeved on the sliding rod, two ends of the spring (18) in the elastic direction respectively elastically abut against the floating ring (17) and the mounting sleeve (20), and a limit nut (19) is sleeved at the other end of the sliding rod (16).

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