CN109807292B

CN109807292B - Movable folding type ferrosilicon pouring flue gas waste heat recovery device

Info

Publication number: CN109807292B
Application number: CN201910234154.XA
Authority: CN
Inventors: 房守忠
Original assignee: Ningxia Sanyuan Zhongtai Metallurgy Co ltd
Current assignee: Ningxia Sanyuan Zhongtai Metallurgy Co ltd
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2023-11-10
Anticipated expiration: 2039-03-26
Also published as: CN109807292A

Abstract

The invention discloses a movable folding type ferrosilicon pouring flue gas waste heat recovery device, which comprises a flue gas collection system, a ferrosilicon containing mechanism and a flue gas waste heat recovery mechanism, wherein the first, second, pressing, fourth, fifth, sixth, seventh and eighth foldable type ferrosilicon pouring flue gas waste heat recovery devices are arranged.

Description

Movable folding type ferrosilicon pouring flue gas waste heat recovery device

Technical Field

The invention relates to the technical field of ferrosilicon pouring waste heat recovery, in particular to a movable folding ferrosilicon pouring flue gas waste heat recovery device.

Background

In the prior art, silicon molten iron is poured into a pouring base firstly, the pouring base is provided with an overflow port, the silicon molten iron flows out from the overflow port after being filled in the pouring base, the overflow port is arranged at one end of an ingot mould, the silicon molten iron flowing out from the overflow port flows into the ingot mould, a large amount of heat is released in the process of pouring the silicon molten iron into the pouring base and flowing out of the pouring base, although a smoke recovery cover is arranged at the upper end of the pouring base, the upper end and the periphery of the pouring base are in an open environment, a large amount of waste heat in the silicon molten iron can still be continuously released into the surrounding environment, the smoke recovery cover has low waste heat recovery efficiency in the silicon molten iron pouring process, so that great energy waste is caused, and meanwhile, the waste heat in the silicon molten iron pouring process exchanges heat with the surrounding air, so that the surrounding air temperature is increased, the damage is easily caused to nearby staff, and potential safety hazards exist.

In the prior art, the supporting mechanisms are usually fixedly arranged at two sides of the pouring base, the distance between the supporting mechanisms is constant, the internal size of a silicon iron pouring space is limited, when silicon iron is poured into the pouring base at the bottom end between the supporting mechanisms, an external silicon iron pouring device matched with the supporting mechanisms is required to be used, and when the external silicon iron pouring device breaks down, other external silicon iron pouring devices are difficult to be used for pouring the iron into the pouring base; when the size of the output end of the external molten silicon casting device is larger than the distance between the supporting mechanisms, the output end of the external molten silicon casting device is difficult to be arranged on the casting base, and the casting task cannot be completed.

When the single mobile ferrosilicon pouring flue gas waste heat recovery device is used for recycling flue gas waste heat, although the single mobile ferrosilicon pouring flue gas waste heat recovery device can move in a chute, the single mobile ferrosilicon pouring flue gas waste heat recovery device can only be used in a ferrosilicon pouring space in a matched mode, so that the single mobile ferrosilicon pouring flue gas waste heat recovery device can only work on one pouring base, the operation efficiency is low, the cost is too high, and the high-efficiency recovery of the pouring flue gas waste heat on a ferrosilicon pouring production line in a ferrosilicon pouring workshop is difficult to complete.

When the flue gas waste heat recovery device for pouring the silicon iron on the plurality of mobile silicon iron pouring bases is used for recovering the flue gas waste heat, the flue gas heat of the silicon iron on one pouring base can be recovered respectively, the flue gas heat of the silicon iron on the plurality of pouring bases is difficult to recover efficiently, meanwhile, the maximum value of the vertical sectional areas of the first silicon iron pouring space, the second silicon iron pouring space and the third silicon iron pouring space is a fixed value, the size of an output end of the external silicon iron pouring device when pouring the silicon iron on the pouring base is limited, and although the first vertical plate, the second vertical plate or the third vertical plate can be moved so as to increase the vertical sectional area of the first silicon iron pouring space, the second silicon iron pouring space or the third silicon iron pouring space, external air can enter the flue gas collecting cover through a newly increased gap, the temperature of original flue gas waste heat nearby the flue gas collecting cover is reduced, and the recycling rate of the flue gas waste heat is reduced.

Disclosure of Invention

In view of the foregoing, it is necessary to provide a mobile folding type ferrosilicon pouring flue gas waste heat recovery device.

The utility model provides a remove folding ferrosilicon pouring flue gas waste heat recovery device, includes flue gas collecting system, ferrosilicon hold mechanism, flue gas waste heat recovery mechanism, sets up the spout around ferrosilicon holds the mechanism, the flue gas collecting system bottom sets up in the spout to make the flue gas collecting system freely remove in the spout, ferrosilicon holds the mechanism and sets up on the horizontal plane of flue gas collecting system inside, in order to become the flue gas with the air heating in the flue gas collecting system, flue gas waste heat recovery mechanism sets up in flue gas collecting system top to retrieve and carry the flue gas in the flue gas collecting system to external device, flue gas collecting system includes first removal split type flue gas collecting device, second removal split type flue gas collecting device, first removal split type flue gas collecting device is the same with second removal split type flue gas collecting device structure, the first movable split type flue gas collection device comprises a first supporting mechanism, a first moving mechanism and a first flue gas waste heat isolation mechanism, wherein the first supporting mechanism is arranged on the first moving mechanism, the first moving mechanism is arranged at one end of a sliding groove arranged at the lower end of a horizontal plane, the first flue gas waste heat isolation mechanism is arranged at two sides of the first supporting mechanism, the first supporting mechanism comprises a first vertical plate and a second vertical plate, the first vertical plate is arranged at one side of a first pouring base, the second vertical plate is arranged at the other side of the first pouring base, the first moving mechanism comprises a first moving wheel, a second moving wheel, a third moving wheel and a fourth moving wheel, the first moving wheel and the second moving wheel are respectively arranged at two sides of the bottom end of the first vertical plate so that the first vertical plate can move freely along the direction of the sliding groove, and the third moving wheel, the fourth moving wheels are respectively arranged at two sides of the bottom end of the second vertical plate so that the second vertical plate can freely move along the direction of the sliding groove, the first vertical plate and the second vertical plate can be moved so that a first silicon iron pouring space is formed in the first vertical plate, the second vertical plate and the smoke collection cover, two sides of the first silicon iron pouring space are open, the first smoke waste heat isolation mechanism comprises a first isolation door, a second isolation door, a third isolation door and a fourth isolation door, the first isolation door is arranged at one side of the first vertical plate, the second isolation door is arranged at the other side of the first vertical plate, the third isolation door is arranged at one side of the second vertical plate, the fourth isolation door is arranged at the other side of the second vertical plate, the first isolation door and the third isolation door are connected at one side of the first silicon iron pouring space so that the first isolation door and the third isolation door form a first isolation surface at one side of the first silicon iron pouring space, the second separation door and the fourth separation door are connected on the other side of the first silicon iron pouring space, so that the second separation door and the fourth separation door form a second separation surface on the other side of the first silicon iron pouring space, the smoke with waste heat in the first silicon iron pouring space is prevented from escaping from the opening on the other side of the first silicon iron pouring space, the second movable split type smoke collecting device comprises a second supporting mechanism, a second moving mechanism and a second smoke waste heat separating mechanism, the second supporting mechanism is arranged on the second moving mechanism, the second moving mechanism is arranged at the other end of a chute arranged at the lower end of a horizontal plane, the second smoke waste heat separating mechanism is arranged on two sides of the second supporting mechanism, the second supporting mechanism comprises a third vertical plate, the fourth vertical plate is arranged on one side of the second pouring base, the fourth vertical plate is arranged on the other side of the second pouring base, the second moving mechanism comprises a fifth moving wheel, a sixth moving wheel, a seventh moving wheel and an eighth moving wheel, the fifth moving wheel and the sixth moving wheel are respectively arranged on two sides of the bottom end of the third vertical plate so that the third vertical plate can freely move along the direction of a chute, the seventh moving wheel and the eighth moving wheel are respectively arranged on two sides of the bottom end of the fourth vertical plate so that the fourth vertical plate can freely move along the direction of the chute, the third vertical plate, the fourth vertical plate and the inside of the flue gas collecting cover can be moved so as to form a second silicon iron pouring space, two sides of the second silicon iron pouring space are open, the second flue gas waste heat isolating mechanism comprises a fifth isolating door, a sixth isolating door, a seventh isolating door and an eighth isolating door, the fifth isolation door is arranged on one side of the third vertical plate, the sixth isolation door is arranged on the other side of the third vertical plate, the seventh isolation door is arranged on one side of the fourth vertical plate, the eighth isolation door is arranged on the other side of the fourth vertical plate, the structures of the fifth isolation door and the seventh isolation door are the same as those of the first isolation door and the third isolation door, the structures of the sixth isolation door and the eighth isolation door are the same as those of the second isolation door and the fourth isolation door, the first isolation door comprises a first door, a second door and a third door, the first door is arranged on one side of the first vertical plate, the third door is arranged far away from the first vertical plate, the second door is arranged between the first door and the third door, a fifth hinge is arranged between the first door and the second door and between the third door and the third door, the first door and/or the second door and/or the third door are/is folded along the fifth hinge axis, the second isolation door comprises a fourth door, a fifth door and a sixth door, the fourth door is arranged at one side of the second vertical plate, the sixth door is far away from the second vertical plate, the fifth door is arranged between the fourth door and the sixth door, a sixth hinge is arranged between the fourth door and the fifth door and between the fifth door and the sixth door, so that the fourth door and/or the fifth door and/or the sixth door are folded along the sixth hinge axis, the second vertical plate and the third vertical plate can be moved simultaneously, the first supporting mechanism and the second supporting mechanism are separated, the second vertical plate, the third vertical plate and the flue gas collecting cover are formed into a third silicon iron casting space, two sides of the third silicon iron casting space are opened, the ferrosilicon water containing mechanism comprises a first pouring base, a second pouring base and a third pouring base, wherein the third pouring base is arranged between the first pouring base and the second pouring base, the flue gas waste heat recovery mechanism comprises a flue gas collecting cover, a first flue gas waste heat recovery pipe, a second flue gas waste heat recovery pipe, a third flue gas waste heat recovery pipe and a fixed pull rod, the flue gas collecting cover is arranged at the top ends of the first supporting mechanism and the second supporting mechanism, a plurality of through holes are arranged in the flue gas collecting cover, one end of the first flue gas waste heat recovery pipe is arranged in the through hole of the flue gas collecting cover, which is close to the first ferrosilicon pouring space, the other end of the first flue gas waste heat recovery pipe is connected with an external device to convey flue gas with waste heat in the first ferrosilicon pouring space to the external device, the second flue gas waste heat recovery pipe one end sets up in the through-hole that the cover was collected to the flue gas is close to second ferrosilicon pouring space, the second flue gas waste heat recovery pipe other end is connected with external device to carry the flue gas that has the waste heat in the second ferrosilicon pouring space to external device, third flue gas waste heat recovery pipe one end sets up in the through-hole of cover intermediate position is collected to the flue gas, the third flue gas waste heat recovery pipe other end is connected with external device, in order to carry the flue gas that has the waste heat in the third ferrosilicon pouring space to external device, fixed pull rod one end sets up on the cover is collected to the flue gas, the fixed pull rod other end sets up on the crossbeam or the longeron of ferrosilicon pouring factory building.

Preferably, the first isolation door and the third isolation door are symmetrically arranged on the first isolation surface, the first isolation door and the third isolation door are rigid high-temperature-resistant plate bodies, the second isolation door and the fourth isolation door are symmetrically arranged on the second isolation surface, and the second isolation door and the fourth isolation door are high-temperature-resistant rigid plate bodies.

Preferably, the junction that first isolation door and first riser one side are provided with a plurality of first hinge to make first isolation door at first riser one side free rotation, the junction that second isolation door and first riser opposite side are provided with a plurality of second hinge, so that second isolation door at first riser opposite side free rotation, the junction that third isolation door and second riser one side are provided with a plurality of third hinge, so that third isolation door at second riser one side free rotation, the junction that fourth isolation door and second riser opposite side are provided with a plurality of fourth hinge, so that fourth isolation door at second riser opposite side free rotation.

Preferably, the top end of the second isolation surface is adjacent to the flue gas collection cover, the bottom end of the second isolation surface is higher than the first casting base, so that a first gap is formed between the second isolation surface and the first casting base, the top end of the first isolation surface is adjacent to the flue gas collection cover, and the bottom end of the first isolation surface is higher than the bottom end of the second isolation surface, so that a second gap is formed between the first isolation surface and the first casting base, and the second gap is larger than the first gap.

Preferably, the connection part of the second isolation door and the fourth isolation door at the other side of the first silicon iron pouring space is further provided with a plurality of first fixing pieces, each first fixing piece comprises a first fixing block, a second fixing block and a first T-shaped pin, the first fixing block is arranged at one side, far away from the second hinge, of the second isolation door, one side end of the second fixing block is provided with a semicircular through hole, the second fixing block is arranged at one side, far away from the fourth hinge, of the fourth isolation door, one side end of the second fixing block is provided with a semicircular through hole, and the first fixing block is connected with the second fixing block so that the semicircular through hole of the first fixing block is connected with the semicircular through hole of the second fixing block to form a first round hole for arranging a first T-shaped pin, one end of the first T-shaped pin penetrates through the first round hole, and the other end of the first T-shaped pin is arranged at the upper end of the first round hole so as to fix the first fixing block and the second fixing block; the first isolation door and the third isolation door are provided with a plurality of second fixing pieces at the joint of one side of the first silicon iron casting space, and the second fixing pieces and the first fixing pieces are identical in structure so as to fix the first isolation door and the third isolation door.

Preferably, the first isolation door is further provided with a plurality of first ventilation holes, so that external air is connected with a first ferrosilicon pouring space far away from one end of the first pouring base, the second isolation door is further provided with a plurality of second ventilation holes and third ventilation holes, the third ventilation holes are formed in one end, close to the first pouring base, of the second isolation door, so that external air is communicated with the first ferrosilicon pouring space close to one end of the first pouring base, and the second ventilation holes are formed in one end, far away from the first pouring base, of the second isolation door, so that external air is communicated with the first ferrosilicon pouring space far away from one end of the first pouring base.

Preferably, a first heat insulation layer is further arranged on the outer surface of the first isolation door so as to greatly reduce heat exchange between flue gas waste heat and external air in the first silicon iron casting space, and a plurality of through holes which are the same as the first ventilation holes are formed in the first heat insulation layer so that the external air passes through the through holes of the first heat insulation layer and the first ventilation holes and enters the first silicon iron casting space; the second insulation door is characterized in that a second insulation layer is further arranged on the outer surface of the second insulation door so as to greatly reduce heat exchange between flue gas waste heat and external air in the first silicon iron casting space, and a plurality of through holes which are the same as the second ventilation holes and the third ventilation holes are formed in the second insulation layer so that the external air passes through the through holes, the second ventilation holes and the third ventilation holes of the second insulation layer and enters the first silicon iron casting space.

Preferably, the first riser, second riser top still are provided with first heat preservation baffle to reduce the gap between first riser, second riser top and the flue gas collection cover, first division gate, third division gate top still are provided with the second heat preservation baffle, in order to reduce the gap between first division gate, third division gate top and the flue gas collection cover, second division gate, fourth division gate top still are provided with the third heat preservation baffle, in order to reduce the gap between second division gate, fourth division gate top and the flue gas collection cover.

The invention is provided with the first isolation door, the second isolation door, the third isolation door and the fourth isolation door, the first isolation door is rotated into the opening at one side of the first silicon iron pouring space, the third isolation door is rotated into the opening at one side of the first silicon iron pouring space, so that the first isolation door and the third isolation door form a first isolation surface at one side of the first silicon iron pouring space, the second isolation door is rotated into the opening at the other side of the first silicon iron pouring space, and the fourth isolation door is rotated into the opening at the other side of the first silicon iron pouring space, so that the second isolation door and the fourth isolation door form a second isolation surface at the other side of the first silicon iron pouring space, the contact surface between the waste heat of flue gas in the first silicon iron pouring space and the external air is greatly reduced, the direct heat exchange between the waste heat of flue gas in the first silicon iron pouring space and the external air is reduced, and the potential harm of two sides of the first silicon iron pouring space to surrounding staff is also reduced.

The invention is also provided with the first ventilation hole, the second ventilation hole and the third ventilation hole, external air is continuously sucked into the first ferrosilicon pouring space from the first ventilation hole, the second ventilation hole, the third ventilation hole and other gaps, the sucked external air is heated into smoke in the first ferrosilicon pouring space, and heat in the first ferrosilicon pouring space is difficult to escape from the first ventilation hole, the second ventilation hole, the third ventilation hole and other gaps to the external environment, so that heat exchange between the inside of the first ferrosilicon pouring space and the external air is effectively reduced, more external air in the ferrosilicon pouring space is heated into smoke by the heat of ferrosilicon water, the total amount of smoke in the first ferrosilicon pouring space is improved, and more smoke is conveyed into an external device by a smoke waste heat recovery pipe, so that the highest recovery of smoke waste heat in the first ferrosilicon pouring space is realized.

According to the invention, the first moving wheel and the second moving wheel are arranged at the bottom end of the first vertical plate at one side of the supporting mechanism so that the first vertical plate can freely move along the direction of the sliding groove, and the third moving wheel and the fourth moving wheel are arranged at the bottom end of the second vertical plate at the other side of the supporting mechanism so that the second vertical plate can freely move along the direction of the sliding groove, and the first vertical plate and the second vertical plate relatively move in the sliding groove through the first moving wheel, the second moving wheel, the third moving wheel and the fourth moving wheel, so that the distance between the first vertical plate and the second vertical plate can be increased or decreased, the casting task can be completed by being suitable for external silicon molten iron casting devices of various types, and the problem that the external silicon molten iron casting devices are difficult to be commonly used in the casting process of the casting base at present is solved; the flue gas collecting cover is separated from the supporting mechanism, the flue gas collecting cover is arranged at the top ends of the first vertical plate and the second vertical plate, so that a changeable first silicon iron casting space is formed among the flue gas collecting cover, the first vertical plate and the second vertical plate, and meanwhile, the flue gas collecting cover is arranged to be large in size, so that the size of the first silicon iron casting space is increased, and the first vertical plate and the second vertical plate have larger relative displacement in the first silicon iron casting space.

The invention is provided with a first moving mechanism for realizing the free movement of the first supporting mechanism on the chute, a second moving mechanism for realizing the free movement of the second supporting mechanism on the chute, a first silicon iron casting space is formed inside the first vertical plate, the second vertical plate and the smoke collecting cover of the first supporting mechanism by moving the first supporting mechanism, a second silicon iron casting space is formed inside the third vertical plate, the fourth vertical plate and the smoke collecting cover of the second supporting mechanism by moving the second supporting mechanism, and the second vertical plate and the third vertical plate can be simultaneously moved to split the first supporting mechanism and the second supporting mechanism, so that a third silicon iron casting space is formed inside the second vertical plate, the third vertical plate and the smoke collecting cover; the method is suitable for the external ferrosilicon pouring devices of various models to finish pouring tasks in a first ferrosilicon pouring space or a second ferrosilicon pouring space or a third ferrosilicon pouring space, realizes the efficient utilization of the first movable split type smoke collecting device and the second movable split type smoke collecting device in ferrosilicon pouring and smoke recovery, solves the difficult problem that the current external ferrosilicon pouring devices are difficult to be commonly used in the pouring process of the external ferrosilicon pouring devices to the pouring base, simultaneously solves the difficult problems that the operation efficiency of a single first movable split type smoke collecting device or a second movable split type smoke collecting device is low and the cost is too high, obviously improves the recovery efficiency of the ferrosilicon pouring smoke waste heat recovery device to the smoke waste heat, and can form an efficient production line for recovering the ferrosilicon pouring smoke waste heat in a ferrosilicon pouring workshop in order to meet the efficient recovery of the smoke waste heat on a plurality of pouring bases in the ferrosilicon pouring workshop.

The invention is provided with a first, a second, a third, a fourth, a fifth, a sixth, a seventh and an eighth isolation door which can be folded, the distance between the first vertical plate and the second, the third and the fourth vertical plates, the second vertical plate and the third vertical plate can be set at will according to working conditions, so as to form a first or a second or a third ferrosilicon casting space with a far exceeding vertical sectional area maximum value, and by stretching or folding the first, the second, the third, the fourth, the fifth, the sixth, the seventh and the eighth isolation doors, the heat exchange between the openings on two sides of the first or the second or the third ferrosilicon casting space with the far exceeding vertical sectional area maximum value and the outside air is reduced to the greatest extent, and a plurality of pouring bases can be arranged in the first silicon iron pouring space or the second silicon iron pouring space or the third silicon iron pouring space, so that the task that a plurality of external silicon iron pouring devices simultaneously pour to a plurality of pouring bases can be simultaneously met, more external air is heated to form smoke by the heat of silicon iron water in the plurality of pouring bases, the total amount of the smoke is improved, more smoke is conveyed to the external devices by a smoke waste heat recovery pipe, the highest recovery of the smoke waste heat in the silicon iron pouring process is realized, the problem that the plurality of mobile silicon iron pouring smoke waste heat recovery devices are difficult to efficiently recover the smoke heat of the silicon iron water on the plurality of pouring bases is solved, the problem that gaps are generated when the first silicon iron pouring space or the second silicon iron pouring space or the third silicon iron pouring space and two sides of the second silicon iron pouring space are provided with isolating surfaces in an open mode is solved, the high-efficiency recovery of ferrosilicon pouring flue gas on the ferrosilicon pouring production line is realized.

Drawings

Fig. 1 is a schematic front view of a mobile folding ferrosilicon casting flue gas waste heat recovery device.

Fig. 2 is a schematic side view of the mobile folding ferrosilicon casting flue gas waste heat recovery device.

In the figure: the first supporting mechanism 11, the first riser 111, the first thermal insulation barrier 1111, the second riser 112, the first moving mechanism 12, the first moving wheel 121, the second moving wheel 122, the fourth moving wheel 124, the first smoke waste heat isolation mechanism 13, the first isolation door 131, the first hinge 1311, the first ventilation hole 1312, the second thermal insulation barrier 1313, the first door 1314, the second door 1315, the third door 1316, the fifth hinge 1317, the second isolation door 132, the second hinge 1321, the first fixing member 1322, the first fixing block 13221, the second fixing block 13222, the first T-shaped pin 13223, the second ventilation hole 1323, the third ventilation hole 1324 a third thermal stop 1325, a fourth door 1326, a fifth door 1327, a sixth door 1328, a sixth hinge 1329, a fourth isolation door 134, a fourth hinge 1341, a second support mechanism 14, a third riser 141, a fourth riser 142, a second movement mechanism 15, a sixth movement wheel 152, an eighth movement wheel 154, a second flue gas waste heat isolation mechanism 16, a sixth isolation door 162, an eighth isolation door 164, a first casting base 21, a second casting base 22, a third casting base 23, a flue gas collection hood 31, a first flue gas waste heat recovery pipe 32, a second flue gas waste heat recovery pipe 33, a third flue gas waste heat recovery pipe 34, a fixed tie rod 35; a chute 10.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Referring to fig. 1 and 2, the invention provides a mobile folding ferrosilicon pouring flue gas waste heat recovery device, which comprises a flue gas collection system, a ferrosilicon water containing mechanism and a flue gas waste heat recovery mechanism, wherein a chute 10 is arranged around the ferrosilicon water containing mechanism, the bottom end of the flue gas collection system is arranged in the chute 10 so that the flue gas collection system freely moves in the chute 10, the ferrosilicon containing mechanism is arranged on the horizontal plane inside the flue gas collection system so as to heat air in the flue gas collection system into flue gas, the flue gas waste heat recovery mechanism is arranged above the flue gas collection system so as to recover and convey flue gas in the flue gas collection system to an external device, the flue gas collection system comprises a first mobile split type flue gas collection device and a second mobile split type flue gas collection device, the first mobile split type flue gas collection device has the same structure as the second mobile split type flue gas collection device, the first movable split type flue gas collecting device comprises a first supporting mechanism 11, a first moving mechanism 12 and a first flue gas waste heat isolating mechanism 13, wherein the first supporting mechanism 11 is arranged on the first moving mechanism 12, the first moving mechanism 12 is arranged at one end of a chute 10 arranged at the lower end of a horizontal plane, the first flue gas waste heat isolating mechanism 13 is arranged at two sides of the first supporting mechanism 11 so as to greatly reduce the contact surface between flue gas waste heat and external air in a first ferrosilicon pouring space, the first supporting mechanism 11 comprises a first vertical plate 111 and a second vertical plate 112, the first vertical plate 111 is arranged at one side of a first pouring base 21, the second vertical plate 112 is arranged at the other side of the first pouring base 21, the first moving mechanism 12 comprises a first moving wheel 121, a second moving wheel 122 and a third moving wheel, the fourth moving wheel 124, the first moving wheel 121 and the second moving wheel 122 are respectively disposed at two sides of the bottom end of the first vertical plate 111, so that the first vertical plate 111 moves freely along the direction of the chute 10, the third moving wheel and the fourth moving wheel 124 are respectively disposed at two sides of the bottom end of the second vertical plate 112, so that the second vertical plate 112 moves freely along the direction of the chute 10, the first vertical plate 111 and the second vertical plate 112 are moved so that the first silicon iron casting space is formed inside the first vertical plate 111, the second vertical plate 112 and the flue gas collecting cover 31, the two sides of the first silicon iron casting space are opened, the first flue gas waste heat isolation mechanism 13 comprises a first isolation door 131, a second isolation door 132, a third isolation door and a fourth isolation door 134, the first isolation door 131 is disposed at one side of the first vertical plate 111, the second isolation door 132 is disposed at the other side of the first vertical plate 111, the fourth isolation door 134 is disposed at the other side of the second vertical plate 112, the first silicon iron casting space is formed inside the first silicon iron casting space by connecting the first isolation door with the first silicon iron casting space, the first iron casting space is reduced by the first iron casting space, the first iron waste heat isolation door is connected with the second iron waste heat isolation door 134 at the other side of the first side, the first iron casting space is prevented from contacting the first iron waste heat isolation space, the first iron waste heat isolation door is reduced, the first iron waste heat isolation space is prevented from contacting the first iron waste heat isolation space is formed at the other side of the first side, and the first iron waste heat isolation space is reduced, and the first iron waste heat isolation space is separated from the first iron waste heat isolation space, the second movable split type flue gas collecting device comprises a second supporting mechanism 14, a second moving mechanism 15 and a second flue gas waste heat isolating mechanism 16, wherein the second supporting mechanism 14 is arranged on the second moving mechanism 15, the second moving mechanism 15 is arranged at the other end of a chute 10 arranged at the lower end of a horizontal plane, the second flue gas waste heat isolating mechanism 16 is arranged at two sides of the second supporting mechanism 14 to greatly reduce the contact surface between the flue gas waste heat and the outside air in the second ferrosilicon pouring space, the second supporting mechanism 14 comprises a third vertical plate 141 and a fourth vertical plate 142, the third vertical plate 141 is arranged at one side of a second pouring base 22, the fourth vertical plate 142 is arranged at the other side of the second pouring base 22, the second moving mechanism 15 includes a fifth moving wheel, a sixth moving wheel 152, a seventh moving wheel, and an eighth moving wheel 154, where the fifth moving wheel and the sixth moving wheel 152 are respectively disposed at two sides of the bottom end of the third vertical plate 141 so as to make the third vertical plate 141 freely move along the direction of the chute 10, the seventh moving wheel and the eighth moving wheel 154 are respectively disposed at two sides of the bottom end of the fourth vertical plate 142 so as to make the fourth vertical plate 142 freely move along the direction of the chute 10, the third vertical plate 141 and the fourth vertical plate 142 are moved so as to make the third vertical plate 141, the fourth vertical plate 142, and the interior of the flue gas collecting hood 31 form a second silicon casting space, the two sides of the second silicon casting space are open, the second flue gas waste heat isolating mechanism 16 includes a fifth isolating door, a sixth isolating door 162, a seventh isolating door, and an eighth isolating door 164, where the fifth isolating door is disposed at one side of the third vertical plate 141, the sixth isolating door 162 is disposed at the other side of the third vertical plate 141, the seventh isolation door is arranged at one side of the fourth vertical plate 142, the eighth isolation door 164 is arranged at the other side of the fourth vertical plate 142, the fifth isolation door and the seventh isolation door have the same structures as the first isolation door 131 and the third isolation door, the sixth isolation door 162 and the eighth isolation door 164 have the same structures as the second isolation door 132 and the fourth isolation door 134, the first isolation door 131 comprises a first door 1314, a second door 1315 and a third door 1316, the first door 1314 is arranged at one side of the first vertical plate 111, the third door 1316 is arranged far from the first vertical plate 111, the second door 1315 is arranged between the first door 1314 and the third door 1316, a fifth hinge 1317 is arranged between the first door 1314 and the second door 1315 and between the second door 1315 and the third door 1316, so that the first door 1314 and/or the second door 1315 and/or the third door 1316 can be folded along the fifth hinge 1317, the second isolation door 132 includes a fourth door 1326, a fifth door 1327, and a sixth door 1328, the fourth door 1326 is disposed on one side of the second riser 112, the sixth door 1328 is disposed away from the second riser 112, the fifth door 1327 is disposed between the fourth door 1326 and the sixth door 1328, a sixth hinge 1329 is further disposed between the fourth door 1326 and the fifth door 1327 and between the fifth door 1327 and the sixth door 1328, so that the fourth door 1326 and/or the fifth door 1327 and/or the sixth door 8 can be folded along the axis of the sixth hinge 1329, and the second riser 112 and the third riser 141 can be moved simultaneously to separate the first supporting mechanism 11 and the second supporting mechanism 14, so that the second riser 112, the third riser 141 and the inside of the collecting hood 31 form a third ferrosilicon pouring space, the third ferrosilicon pouring space is opened on both sides, the ferrosilicon water containing mechanism comprises a first pouring base 21, a second pouring base 22 and a third pouring base 23, the ferrosilicon water flows out from an overflow port after being filled in the first pouring base 21 or the second pouring base 22 or the third pouring base 23, then flows into an external ingot mould, and in the process of pouring the ferrosilicon water and the ferrosilicon water into the pouring bases and flowing out from the pouring bases, the ferrosilicon water releases a large amount of heat, the large amount of heat exchanges heat with air to form flue gas with waste heat, the flue gas fills a first ferrosilicon pouring space or a second ferrosilicon pouring space or a third ferrosilicon pouring space, the third pouring base 23 is arranged between the first pouring base 21 and the second pouring base 22, the flue gas waste heat recovering mechanism comprises a flue gas collecting cover 31, a first flue gas waste heat recovering pipe 32, a second flue gas waste heat recovering pipe 33, a third flue gas waste heat recovering pipe 34 and a fixed pull rod 35, the flue gas collecting cover 31 is arranged at the top ends of the first supporting mechanism 11 and the second supporting mechanism 14, a plurality of through holes are arranged in the flue gas collecting cover 31, one end of the first flue gas waste heat recovering pipe 32 is arranged in the through hole of the flue gas collecting cover 31 close to the first silicon iron casting space, the other end of the first flue gas waste heat recovering pipe 32 is connected with an external device so as to convey the flue gas with waste heat in the first silicon iron casting space to the external device and further to be recovered and reused by the external device, one end of the second flue gas waste heat recovering pipe 33 is arranged in the through hole of the flue gas collecting cover 31 close to the second silicon iron casting space, the other end of the second flue gas waste heat recovering pipe 33 is connected with the external device so as to convey the flue gas with waste heat in the second silicon iron casting space to the external device and further to be recovered and reused by the external device, the third flue gas waste heat recovery pipe 34 one end sets up in the through-hole of flue gas collection cover 31 intermediate position, the third flue gas waste heat recovery pipe 34 other end is connected with external device to with the inside flue gas that has the waste heat of third ferrosilicon pouring space carry to external device in, and then by external device recovery recycle, fixed pull rod 35 one end sets up on flue gas collection cover 31, the fixed pull rod 35 other end sets up on the crossbeam or the longeron of ferrosilicon pouring factory building, fixed pull rod 35 is provided with a plurality of on flue gas collection cover 31 to with the fixed lower extreme that sets up in crossbeam or longeron of flue gas collection cover 31, fixed pull rod 35 is the rigid member.

Specifically, the first riser 111, the second riser 112, the flue gas collection cover 31 are rigid plates or walls, and an insulation layer is arranged on the outer surfaces of the first riser 111, the second riser 112 and the flue gas collection cover 31 to prevent flue gas waste heat in the ferrosilicon casting space from performing heat exchange with the outside through the first riser 111, the second riser 112 and the flue gas collection cover 31, so that the loss of heat in the ferrosilicon casting space is reduced.

Specifically, an air draft device may be further disposed between the pipes connected to the external device at the other end of the first flue gas waste heat recovery pipe 32 or the second flue gas waste heat recovery pipe 33 or the third flue gas waste heat recovery pipe 34, so as to accelerate the recovery efficiency of the flue gas waste heat recovery pipe on the flue gas quantity in the first ferrosilicon pouring space or the second ferrosilicon pouring space or the third ferrosilicon pouring space.

Specifically, the height of the first supporting mechanism 11 is far greater than that of the first pouring base 21, so that the first silicon iron pouring space inside the first supporting mechanism 11 is large, the first isolation surface formed by connecting the first isolation door 131 with the third isolation door is arranged in the opening at one side of the first silicon iron pouring space, the second isolation surface formed by connecting the second isolation door 132 with the fourth isolation door 134 is arranged in the opening at the other side of the first silicon iron pouring space, and therefore the contact surface between the flue gas waste heat in the first silicon iron pouring space and the outside air is greatly reduced, the direct heat exchange between the flue gas waste heat in the first silicon iron pouring space and the outside air is reduced, so that the flue gas in the first silicon iron pouring space is conveyed into the flue gas waste heat recovery pipe as much as possible, and the total recovery amount of the flue gas waste heat recovery pipe to the flue gas is improved.

Specifically, the first moving wheel 121, the second moving wheel 122, the third moving wheel 122, and the fourth moving wheel 124 are further provided with brake elements, and after the first moving wheel 121, the second moving wheel 122, the third moving wheel, and the fourth moving wheel 124 are moved to the preset positions, the first moving wheel 121, the second moving wheel 122, the third moving wheel, and the fourth moving wheel 124 are fixed in the chute 10 by the brake elements; the fifth, sixth, seventh and eighth moving wheels 152, 154 are further provided with brake elements, and after the fifth, sixth, seventh and eighth moving wheels 152, 154 are moved to the preset positions, the fifth, sixth, seventh and eighth moving wheels 152, 154 are fixed in the chute 10 by the brake elements.

The invention is provided with a first moving wheel 121 and a second moving wheel 122 at the bottom end of a first vertical plate 111 so that the first vertical plate 111 can move freely along the direction of a chute 10, a third moving wheel and a fourth moving wheel 124 at the bottom end of a second vertical plate 112 so that the second vertical plate 112 can move freely along the direction of the chute 10, and the first moving wheel 121, the second moving wheel 122, the third moving wheel and the fourth moving wheel 124 are arranged so that the first vertical plate 111 and the second vertical plate 112 move relatively in the chute 10, and the distance between the first vertical plate 111 and the second vertical plate 112 can be increased or decreased; similarly, a fifth moving wheel and a sixth moving wheel 152 are arranged at the bottom end of a third vertical plate 141 at one side of a second supporting mechanism 14 so that the third vertical plate 141 can freely move along the direction of a chute 10, a seventh moving wheel and an eighth moving wheel 154 are arranged at the bottom end of a fourth vertical plate 142 at the other side of the second supporting mechanism 14 so that the fourth vertical plate 142 can freely move along the direction of the chute 10, and the third vertical plate 141 and the fourth vertical plate 142 relatively move in the chute 10, so that the distance between the third vertical plate 141 and the fourth vertical plate 142 can be increased or decreased; the first vertical plate 111 and the second vertical plate 112 are moved, molten silicon is poured into the first silicon pouring space, so that the task of pouring molten silicon into the first pouring base 21 is completed, meanwhile, the first flue gas waste heat isolation mechanism 13 is arranged, so that the escape of flue gas with waste heat in the first silicon pouring space from openings on two sides of the first silicon pouring space is greatly reduced, and the flue gas in the first silicon pouring space is conveyed to an external device through the flue gas waste heat recovery mechanism, so that the highest recovery of the flue gas waste heat in the first silicon pouring space is realized; the third vertical plate 141 and the fourth vertical plate 142 are moved, molten silicon is poured into the second silicon pouring space, so that the task of pouring molten silicon into the second pouring base 22 is completed, and meanwhile, the second flue gas waste heat isolation mechanism 16 is arranged, so that the escape of flue gas with waste heat in the second silicon pouring space from openings on two sides of the second silicon pouring space is greatly reduced, and the flue gas in the second silicon pouring space is conveyed to an external device through the flue gas waste heat recovery mechanism, so that the highest recovery of the flue gas waste heat in the second silicon pouring space is realized; the second riser 112 and the third riser 141 can be moved to separate the first supporting mechanism 11 and the second supporting mechanism 14, so that a third silicon iron pouring space is formed in the second riser 112, the third riser 141 and the flue gas collecting cover 31, as the third and fourth isolating doors 134 and 162 are arranged on the second riser 112, the third and sixth isolating doors 162 are rotated to form an isolating surface on one side of the third silicon iron pouring space, the fourth and sixth isolating doors 134 and 162 are rotated to form an isolating surface on the other side of the third silicon iron pouring space, so that the flue gas with waste heat in the third silicon iron pouring space can be greatly reduced to escape from the openings on both sides of the third silicon iron pouring space, and the flue gas waste heat recovery mechanism is used for conveying the third silicon iron pouring space to an external device, so that the highest recovery of the waste heat of the flue gas in the third silicon iron pouring space is realized; the external molten silicon pouring device is suitable for various types to finish pouring tasks in a molten silicon pouring space, so that the first movable split type flue gas collecting device and the second movable split type flue gas collecting device are efficiently utilized in molten silicon pouring and flue gas recovery, the problem that the existing external molten silicon pouring device is difficult to be universal in the pouring process of the pouring base is solved, the problems that the operation efficiency of a single first movable split type flue gas collecting device or a single second movable split type flue gas collecting device is low and the cost is too high are solved, and the recovery efficiency of the molten silicon pouring flue gas waste heat recovery device to the flue gas waste heat is remarkably improved.

Specifically, the invention can be provided with a plurality of movable split type flue gas collecting devices on the chute 10, the plurality of movable split type flue gas collecting devices can freely move on the chute 10 to recover flue gas waste heat of a plurality of pouring bases, the plurality of movable split type flue gas collecting devices can be mutually split to form more new ferrosilicon pouring spaces, and an efficient production line for recovering the flue gas waste heat of ferrosilicon pouring is formed, so that the efficient recovery of the flue gas waste heat on the plurality of pouring bases in a ferrosilicon pouring workshop is met, the operation efficiency of the movable split type flue gas collecting device is greatly improved, and the operation cost is reduced.

Specifically, the flue gas collecting hood 31 is separated from the first supporting mechanism 11 and the second supporting mechanism 14, the flue gas collecting hood 31 is arranged at the top ends of the first vertical plate 111, the second vertical plate 112, the third vertical plate 141 and the fourth vertical plate 142, so that a changeable silicon iron casting space, such as a first silicon iron casting space, a second silicon iron casting space and a third silicon iron casting space, is formed among the flue gas collecting hood 31, the first vertical plate 111, the second vertical plate 112, the third vertical plate 141 and the fourth vertical plate 142, and meanwhile, the flue gas collecting hood 31 is arranged in a large size to increase the size of the first silicon iron casting space or the second silicon iron casting space or the third silicon iron casting space, so that the first vertical plate 111, the second vertical plate 112, the third vertical plate 141 and the fourth vertical plate 142 have larger relative displacement in the first silicon iron casting space or the second silicon iron casting space or the third silicon iron casting space, and various external silicon iron casting devices can complete tasks in the first silicon iron casting space or the third silicon iron casting space.

Specifically, by moving the first vertical plate 111 and the second vertical plate 112, so that a first silicon iron casting space is formed among the first vertical plate 111, the second vertical plate 112 and the flue gas collecting cover 31 to cast the first casting base 21, the first vertical plate 111 and the second vertical plate 112 can also be continuously moved, for example, the first silicon iron casting space is moved to the second casting base 22 to cast the second casting base 22, and the flexibility of the external silicon iron casting device in the first silicon iron casting space is improved, so that the working efficiency is further improved; similarly, by moving the third vertical plate 141 and the fourth vertical plate 142, the second ferrosilicon casting space can be moved to the first casting base 21 so as to cast the first casting base 21; it is also possible to move only the second riser 112, the third riser 141 so that a third silicon iron casting space is formed between the second riser 112, the third riser 141, and the fume collecting hood 31 to cast the third casting base 23 or the first casting base 21 or the second casting base 22; the flue gas that above pouring process produced, owing to be provided with first flue gas waste heat isolation mechanism 13, second flue gas waste heat isolation mechanism 16, can reduce the contact surface of flue gas and outside air in first ferrosilicon pouring space or second ferrosilicon pouring space or the third ferrosilicon pouring space as far as possible, reduce flue gas and outside air's heat exchange by a wide margin, flue gas waste heat recovery mechanism carries the flue gas to external device in by recycling, is showing the recovery efficiency of flue gas waste heat in promoting first ferrosilicon pouring space or second ferrosilicon pouring space or the third ferrosilicon pouring space.

Specifically, the first isolation door 131 is provided with a plurality of fifth hinges 1317 between the first door 1314 and the second door 1315, so that the second door 1315 may be disposed parallel to the first door 1314, or the second door 1315 may be folded at one side of the first door 1314, and a plurality of fifth hinges 1317 are disposed between the second door 1315 and the third door 1316, so that the third door 1316 may be disposed parallel to the second door 1315, or the third door 1316 may be folded at one side of the second door 1315, and by providing the fifth hinges 1317, the first isolation door 131 may be stretched and folded in the horizontal direction; the second isolation door 132 is in a folding arrangement, a plurality of sixth hinges 1329 are disposed between the fourth door 1326 and the fifth door 1327, so that the fifth door 1327 may be disposed parallel to the fourth door 1326, or the fifth door 1327 may be folded on one side of the fourth door 1326, and a plurality of sixth hinges 1329 are disposed between the fifth door 1327 and the sixth door 1328, so that the sixth door 1328 may be disposed parallel to the fifth door 1327, or the sixth door 1328 may be folded on one side of the fifth door 1327, and by disposing the sixth hinges 1329, the second isolation door 132 may be stretched and folded in the horizontal direction.

Specifically, when the first isolation door 131 or the second isolation door 132 is folded to form one surface, the first vertical plate 111, the second vertical plate 112 and the flue gas collecting hood 31 of the first supporting mechanism 11 form the maximum vertical cross-sectional area of the first ferrosilicon pouring space inside to be a fixed value, the third vertical plate 141, the fourth vertical plate 142 and the flue gas collecting hood 31 of the second supporting mechanism 14 form the maximum vertical cross-sectional area of the second ferrosilicon pouring space inside to be a fixed value, the maximum vertical cross-sectional area of the second ferrosilicon pouring space formed inside to be a fixed value, the vertical cross-sectional areas of the first ferrosilicon pouring space, the second ferrosilicon pouring space and the third ferrosilicon pouring space limit the maximum size of the output end when the external ferrosilicon pouring device pours towards the pouring base, although the first vertical plate 111 or the second vertical plate 112 or the third vertical plate 141 can be moved to increase the vertical cross-sectional area of the first ferrosilicon pouring space or the third ferrosilicon pouring space inside to make the vertical cross-sectional area of the ferrosilicon pouring space, the flue gas pouring space can be increased to make the waste heat of the external ferrosilicon pouring space, the flue gas can be recovered to be reduced to the corresponding to the waste heat when the flue gas is recovered to the external to the waste heat collecting base 31.

Specifically, after the first isolation door 131 and the second isolation door 132 are extended to two sides or three sides, the positions of the first vertical plate 111, the second vertical plate 112, the third vertical plate 141 and the fourth vertical plate 142 are not preset on the chute 10, the first vertical plate 111 and the second vertical plate 112 can be randomly arranged according to working conditions, for example, a first ferrosilicon casting space with far exceeding the maximum vertical sectional area is formed between the first vertical plate 111, the second vertical plate 112 and the flue gas collecting cover 31, because the first isolation door 131 and the second isolation door 132 on the first vertical plate 111 are arranged in a folding manner, the lengths of the first isolation door 131 and the second isolation door 132 in the horizontal direction after being extended are several times that of the first isolation door 131 and the second isolation door 132 when being folded to one side are obviously increased, so that the lengths of the first isolation door 131 and the third isolation door 131 in the first ferrosilicon casting space on one side are several times that of the first isolation door in the horizontal direction are prolonged, the length of the second isolation surface in the horizontal direction, which is formed by the second isolation door 132 and the fourth isolation door, is prolonged by several times, the first isolation surface and the second isolation surface are respectively arranged at the two sides of the first silicon iron casting space with the maximum value of the far-exceeding vertical sectional area, so that the gaps between the first isolation surface, the second isolation surface and the first silicon iron casting space are reduced to the greatest extent, the heat exchange between the openings at the two sides of the first silicon iron casting space with the maximum value of the far-exceeding vertical sectional area and the outside air is reduced to the greatest extent, a plurality of casting bases can be arranged in the first silicon iron casting space, the task that a plurality of external silicon iron casting devices cast to a plurality of casting bases simultaneously can be simultaneously satisfied, the heat of silicon iron water in the plurality of casting bases heats more external air to form flue gas, and the total amount of the smoke inside the first silicon iron casting space is improved, more smoke is conveyed to an external device by the smoke waste heat recovery pipe, the highest single recovery of the smoke waste heat in the first silicon iron casting space is realized, and the recovery of the smoke waste heat in the second silicon iron casting space and the third silicon iron casting space is the same as the recovery mode of the smoke waste heat in the first silicon iron casting space. Through the arrangement, the problem that the flue gas heat of the ferrosilicon water on the pouring bases is difficult to be efficiently recovered by the mobile ferrosilicon pouring flue gas waste heat recovery devices is solved, the problem that gaps are formed when the first ferrosilicon pouring space or the second ferrosilicon pouring space or the third ferrosilicon pouring space and the two sides of the first ferrosilicon pouring space are provided with the isolation surfaces is solved, and the efficient recovery of ferrosilicon pouring flue gas on the ferrosilicon pouring production line is realized.

Further, the first isolation door 131 and the third isolation door are symmetrically arranged on the first isolation surface, the first isolation door 131 and the third isolation door are rigid high temperature resistant plates, the second isolation door 132 and the fourth isolation door 134 are symmetrically arranged on the second isolation surface, and the second isolation door 132 and the fourth isolation door 134 are high temperature resistant rigid plates.

Specifically, the first isolation surface is arranged at one side of the first silicon iron casting space, the second isolation surface is arranged at the other side of the first silicon iron casting space, the first isolation surface and the second isolation surface have large surface areas, the first isolation door 131 and the third isolation door are required to be rigid high temperature resistant plate bodies, so that the first isolation door 131 and the third isolation door are not deformed when heated in the first silicon iron casting space, the first isolation door 131 is conveniently arranged at one side of the first vertical plate 111, and the third isolation door is conveniently arranged at one side of the second vertical plate 112; similarly, the second isolation door 132 and the fourth isolation door 134 are required to be high temperature resistant rigid plates.

Further, a plurality of first hinges 1311 are disposed at the connection between the first isolation door 131 and one side of the first riser 111, so that the first isolation door 131 can rotate freely on one side of the first riser 111, a plurality of second hinges 1321 are disposed at the connection between the second isolation door 132 and the other side of the first riser 111, so that the second isolation door 132 can rotate freely on the other side of the first riser 111, a plurality of third hinges are disposed at the connection between the third isolation door and one side of the second riser 112, so that the third isolation door can rotate freely on one side of the second riser 112, and a plurality of fourth hinges 1341 are disposed at the connection between the fourth isolation door 134 and the other side of the second riser 112, so that the fourth isolation door 134 can rotate freely on the other side of the second riser 112.

Specifically, before the silicon molten iron is poured in the first silicon pouring space, the first isolation door 131 is rotated into the opening at one side of the first silicon pouring space, the third isolation door is rotated into the opening at one side of the first silicon pouring space, so that the first isolation door 131 and the third isolation door form a first isolation surface at one side of the first silicon pouring space, the second isolation door 132 is rotated into the opening at the other side of the first silicon pouring space, the fourth isolation door 134 is rotated into the opening at the other side of the first silicon pouring space, so that the second isolation door 132 and the fourth isolation door 134 form a second isolation surface at the other side of the first silicon pouring space, the contact surface between the waste heat of flue gas in the first silicon pouring space and the outside air is greatly reduced, and the direct heat exchange between the waste heat of flue gas in the first silicon pouring space and the outside air is reduced.

Further, the top end of the second isolating surface is adjacent to the flue gas collecting cover 31, so as to reduce the gap between the second isolating surface and the flue gas collecting cover 31, and further reduce the heat exchange between the flue gas and the outside air in the first ferrosilicon pouring space, the bottom end of the second isolating surface is higher than the first pouring base 21, so that a first gap is formed between the second isolating surface and the first pouring base 21, an overflow port is arranged on the first pouring base 21, so that ferrosilicon in the first pouring base 21 flows out from the overflow port, the overflow port is positioned in the first gap, the flowing ferrosilicon flows into the ingot mould through the first gap, the top end of the first isolating surface is adjacent to the flue gas collecting cover 31, so as to reduce the gap between the first isolating surface and the flue gas collecting cover 31, and further reduce the heat exchange between the flue gas and the outside air in the first ferrosilicon pouring space, the bottom end of the first isolating surface is higher than the bottom end of the second isolating surface, so that a second gap is formed between the first isolating surface and the first pouring base 21, and the second gap is larger than the first gap, so that the ferrosilicon pouring device can flow out of the ferrosilicon in the second gap, so that the ferrosilicon can flow out of the output end of the ferrosilicon in the first gap and the second gap through the first gap.

Further, the connection part of the second isolation door 132 and the fourth isolation door 134 at the other side of the first silicon casting space is further provided with a plurality of first fixing pieces 1322, the first fixing pieces 1322 comprise a first fixing block 13221, a second fixing block 13222 and a first T-shaped pin 13223, the first fixing block 13221 is arranged at one side of the second isolation door 132 far away from the second hinge 1321, a semicircular through hole is arranged at one side end of the second fixing block 13222, the second fixing block 13222 is arranged at one side of the fourth isolation door 134 far away from the fourth hinge 1341, a semicircular through hole is arranged at one side end of the second fixing block 13222, the first fixing block 13221 is connected with the second fixing block 13222, the semicircular through holes of the first fixing block 13221 are connected with the semicircular through holes of the second fixing block 13222 to form a first round hole for arranging a first T-shaped pin 13223, one end of the first T-shaped pin 13223 passes through the first round hole, and the other end of the first T-shaped pin 13223 is arranged at the upper end of the first round hole to fix the first fixing block 13221 and the second fixing block 13222, thereby realizing the fixation of the second isolation door 132 and the fourth isolation door 134 at the other side of the first ferrosilicon pouring space, and reducing the potential hazard of the other side of the first ferrosilicon pouring space to surrounding staff while greatly reducing the heat exchange between the flue gas waste heat in the first ferrosilicon pouring space and the outside air; the junction of first isolation door 131 and third isolation door in first ferrosilicon pouring space one side is provided with a plurality of second mounting, the second mounting is the same with first mounting 1322 structure to fix first isolation door 131, third isolation door, and then realize first isolation door 131, third isolation door in first ferrosilicon pouring space one side fixed, when reducing first ferrosilicon pouring space inside flue gas waste heat and outside air heat exchange by a wide margin, can also reduce first ferrosilicon pouring space one side and to surrounding staff's potential harm.

Further, the first isolation door 131 is further provided with a plurality of first ventilation holes 1312, so that external air is connected with a first ferrosilicon pouring space far away from one end of the first pouring base 21, the external air uniformly enters the first ferrosilicon pouring space from the plurality of first ventilation holes 1312, the external air is added into flue gas in the first ferrosilicon pouring space to increase the content of flue gas in the first ferrosilicon pouring space, the second isolation door 132 is further provided with a plurality of second ventilation holes 1323 and third ventilation holes 1324, the third ventilation holes 1324 are arranged at one end of the second isolation door 132 close to the first pouring base 21, so that the external air is communicated with the first ferrosilicon pouring space near one end of the first pouring base 21, the external air is added into the first ferrosilicon pouring space from the plurality of third ventilation holes 1324, the external air is added into flue gas in the first ferrosilicon pouring space to increase the content of flue gas in the first ferrosilicon pouring space, the second ventilation holes 132 are arranged at one end of the second isolation door 132 far away from the first pouring base 21, the flue gas is added into the first ferrosilicon pouring space from the first ventilation holes 132, and the external air is added into the first ferrosilicon pouring space from the first ferrosilicon pouring space to the first ventilation holes 132, and the external air is communicated with the first ferrosilicon pouring space; so that the flue gas in the first ferrosilicon casting space is conveyed to the flue gas waste heat recovery pipe as much as possible.

Specifically, the diameter of the third ventilation hole 1324 is larger than that of the second ventilation hole 1323, and since the temperature near the first casting base 21 is the highest, after the third ventilation hole 1324 is opened to a larger diameter, more external air can enter into the first ferrosilicon casting space to heat the external air, so as to increase the total amount of flue gas in the first ferrosilicon casting space; the temperature of the middle part of the first ferrosilicon casting space is smaller than that of the vicinity of the first casting base 21, and after the second ventilation holes 1323 are formed into smaller diameters, less external air can enter the first ferrosilicon casting space to heat the external air so as to increase the total amount of smoke in the first ferrosilicon casting space; meanwhile, as the air flow entering the first silicon iron casting space from the second ventilation hole 1323 is smaller than the air flow entering the first silicon iron casting space from the third ventilation hole 1324, the temperature of the flue gas entering the first silicon iron casting space from the second ventilation hole 1323 is consistent with the temperature of the flue gas entering the first silicon iron casting space from the second ventilation hole 1323, so that the consistency of the temperature of the flue gas in the first silicon iron casting space is improved.

Specifically, the ferrosilicon in the first pouring base 21 releases a large amount of heat in the first ferrosilicon pouring space, a large amount of heat exchanges with air to form flue gas with waste heat, the flue gas expands after being heated, the flue gas rises to the vicinity of the first flue gas waste heat recovery pipe 32, the first flue gas waste heat recovery pipe 32 conveys the flue gas to an external device, and meanwhile, an air draft device can be further arranged between pipelines connected with the other end of the first flue gas waste heat recovery pipe 32 and the external device, so that the recovery efficiency of the first flue gas waste heat recovery pipe 32 on the flue gas quantity in the first ferrosilicon pouring space is accelerated, and the total amount of flue gas recovery is improved. External air is continuously sucked into the first silicon iron casting space from the first ventilation holes 1312, the second ventilation holes 1323, the third ventilation holes 1324 and other gaps, the sucked external air is heated into smoke in the first silicon iron casting space, heat in the first silicon iron casting space is difficult to escape from the first ventilation holes 1312, the second ventilation holes 1323, the third ventilation holes 1324 and other gaps to the external environment, heat exchange between the inside of the first silicon iron casting space and the external air is effectively reduced, more external air is heated into smoke by the heat of silicon iron water, the total amount of smoke in the first silicon iron casting space is improved, and the first smoke waste heat recovery pipe 32 conveys more smoke into an external device, so that the highest recovery of smoke waste heat in the first silicon iron casting space is realized.

Further, a first heat insulation layer is further disposed on the outer surface of the first isolation door 131, so as to substantially reduce heat exchange between the flue gas waste heat and the external air in the first ferrosilicon casting space, and a plurality of through holes identical to the first ventilation holes 1312 are formed in the first heat insulation layer, so that the external air passes through the through holes of the first heat insulation layer and the first ventilation holes 1312 and enters the first ferrosilicon casting space; the second insulation door 132 is further provided with a second insulation layer on an outer surface thereof to substantially reduce heat exchange between flue gas waste heat and external air in the first silicon iron casting space, and the second insulation layer is provided with a plurality of through holes identical to the second ventilation holes 1323 and the third ventilation holes 1324, so that the external air passes through the through holes of the second insulation layer, the second ventilation holes 1323 and the third ventilation holes 1324 and enters the first silicon iron casting space.

A third heat-insulating layer is further arranged on the outer surface of the third isolation door so as to greatly reduce heat exchange between flue gas waste heat and external air in the first silicon iron casting space, and a plurality of through holes which are the same as the first ventilation holes 1312 are formed in the third heat-insulating layer so that the external air passes through the through holes of the third heat-insulating layer and the first ventilation holes 1312 and enters the first silicon iron casting space; the outer surface of the fourth isolation door 134 is further provided with a fourth heat-insulating layer to greatly reduce heat exchange between the flue gas waste heat and the external air in the first silicon iron casting space, and the fourth heat-insulating layer is provided with a plurality of through holes identical to the second ventilation holes 1323 and the third ventilation holes 1324, so that the external air passes through the through holes of the fourth heat-insulating layer, the second ventilation holes 1323 and the third ventilation holes 1324 and enters the inside of the first silicon iron casting space.

Further, the top ends of the first vertical plate 111 and the second vertical plate 112 are further provided with a first heat insulation baffle 1111 to reduce the gap between the top ends of the first vertical plate 111 and the second vertical plate 112 and the flue gas collection cover 31, so as to prevent a large amount of external air from entering the flue gas collection cover 31 from the gap between the top ends of the first vertical plate 111 and the second vertical plate 112 and the flue gas collection cover 31, the top ends of the first isolation door 131 and the third isolation door are further provided with a second heat insulation baffle 1313 to reduce the gap between the top ends of the first isolation door 131 and the third isolation door and the flue gas collection cover 31, so as to prevent a large amount of external air from entering the flue gas collection cover 31 from the gap between the top ends of the first isolation door 131 and the third isolation door and the flue gas collection cover 31, and the top ends of the second isolation door 132 and the fourth isolation door 134 are further provided with a third heat insulation baffle 1325 to reduce the gap between the top ends of the second isolation door 132 and the flue gas collection cover 31, so as to prevent a large amount of external air from entering the flue gas collection cover 31 from the gap between the top ends of the second isolation door 132 and the fourth isolation door 134 and the flue gas collection cover 31; the heat exchange between the outside air and the flue gas in the flue gas collecting cover 31 is avoided, and the flue gas recovery efficiency of the flue gas collecting cover 31 in the first ferrosilicon casting space is improved.

The specific implementation steps are as follows:

1) Moving the first vertical plate 111 and the second vertical plate 112 to preset positions, and adjusting the size of a first silicon iron pouring space among the first vertical plate 111, the second vertical plate 112 and the flue gas collection cover 31 until an external silicon iron pouring device can finish pouring tasks;

2) The ferrosilicon flowing out from the output end of the external ferrosilicon pouring device flows into the first pouring base 21 through the second gap, the ferrosilicon in the first pouring base 21 flows out from the overflow port after being filled, the flowing ferrosilicon flows into the ingot mould through the first gap, a large amount of heat is released by the ferrosilicon in the process, and the air in the first ferrosilicon pouring space is heated into flue gas with waste heat by the large amount of heat;

3) The flue gas waste heat recovery pipe conveys flue gas to an external device, and an exhaust device can be further arranged to accelerate the recovery efficiency of the flue gas waste heat recovery pipe on the flue gas quantity in the first ferrosilicon pouring space;

4) External air is continuously sucked into the first ferrosilicon casting space from the first ventilation holes 1312, the second ventilation holes 1323, the third ventilation holes 1324 and other gaps, the sucked external air is continuously heated into smoke in the first ferrosilicon casting space, the total amount of smoke in the first ferrosilicon casting space is increased, and the total amount of smoke is increased until the temperature of the molten silicon in the first ferrosilicon casting base 21 cannot meet the smoke recovery requirement.

The modules or units in the device of the embodiment of the invention can be combined, divided and deleted according to actual needs.

The foregoing disclosure is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the scope of the invention, as it is understood by those skilled in the art that all or part of the above-described embodiments may be practiced with equivalents thereof, which fall within the scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a remove folding ferrosilicon pouring flue gas waste heat recovery device which characterized in that: comprises a flue gas collecting system, a ferrosilicon water containing mechanism and a flue gas waste heat recovery mechanism, wherein a chute is arranged around the ferrosilicon water containing mechanism, the bottom end of the flue gas collecting system is arranged in the chute so that the flue gas collecting system can freely move in the chute, the ferrosilicon water containing mechanism is arranged on the horizontal plane inside the flue gas collecting system so as to heat air in the flue gas collecting system into flue gas, the flue gas waste heat recovery mechanism is arranged above the flue gas collecting system so as to recover flue gas in the flue gas collecting system and convey the flue gas to an external device, the flue gas collecting system comprises a first movable split type flue gas collecting device and a second movable split type flue gas collecting device, the first movable split type flue gas collecting device has the same structure as the second movable split type flue gas collecting device, the first movable split type flue gas collecting device comprises a first supporting mechanism, a first movable mechanism and a first flue gas waste heat isolating mechanism, the first supporting mechanism is arranged on the first moving mechanism, the first moving mechanism is arranged at one end of a sliding groove arranged at the lower end of a horizontal plane, the first smoke waste heat isolating mechanism is arranged at two sides of the first supporting mechanism, the first supporting mechanism comprises a first vertical plate and a second vertical plate, the first vertical plate is arranged at one side of a first pouring base, the second vertical plate is arranged at the other side of the first pouring base, the first moving mechanism comprises a first moving wheel, a second moving wheel, a third moving wheel and a fourth moving wheel, the first moving wheel and the second moving wheel are respectively arranged at two sides of the bottom end of the first vertical plate so as to enable the first vertical plate to freely move along the sliding groove direction, the third moving wheel and the fourth moving wheel are respectively arranged at two sides of the bottom end of the second vertical plate so as to enable the second vertical plate to freely move along the sliding groove direction, the first vertical plate and the second vertical plate are moved so that a first silicon iron pouring space is formed in the first vertical plate, the second vertical plate and the smoke collecting cover, the first smoke waste heat isolating mechanism comprises a first isolating door, a second isolating door, a third isolating door and a fourth isolating door, the first isolating door is arranged on one side of the first vertical plate, the second isolating door is arranged on the other side of the first vertical plate, the third isolating door is arranged on one side of the second vertical plate, the fourth isolating door is arranged on the other side of the second vertical plate, the first isolating door and the third isolating door are connected on one side of the first silicon iron pouring space so that the first isolating door and the third isolating door form a first isolating surface on one side of the first silicon iron pouring space, so that waste heat-containing smoke in the first silicon iron pouring space can be prevented from escaping from the opening on one side of the first silicon iron pouring space, the second isolating door and the fourth isolating door are connected on the other side of the first silicon iron pouring space, so that the second isolating door and the fourth isolating door are arranged on the other side of the second silicon iron pouring space, the second isolating door and the second silicon iron pouring mechanism are arranged on the other side of the second vertical plate, the second silicon iron pouring mechanism is arranged on the other side of the second silicon iron pouring space, the second waste heat isolating mechanism is arranged on the other side of the second silicon iron pouring space, the second waste heat collecting mechanism is arranged on the second silicon waste heat collecting mechanism, the second silicon waste heat collecting mechanism is arranged on the second vertical mechanism, the second silicon waste heat pouring mechanism is arranged on the second silicon waste heat pouring mechanism, the second silicon waste heat collecting mechanism, and the first silicon waste heat collecting mechanism is arranged on the second silicon waste heat collecting mechanism, and the first waste heat and the first silicon flue and the waste heat as the waste mechanism. The fourth vertical plate is arranged on the other side of the second pouring base, the second moving mechanism comprises a fifth moving wheel, a sixth moving wheel, a seventh moving wheel and an eighth moving wheel, the fifth moving wheel and the sixth moving wheel are respectively arranged on two sides of the bottom end of the third vertical plate so that the third vertical plate can freely move along the direction of a chute, the seventh moving wheel and the eighth moving wheel are respectively arranged on two sides of the bottom end of the fourth vertical plate so that the fourth vertical plate can freely move along the direction of the chute, the third vertical plate and the fourth vertical plate can be moved so that a second ferrosilicon pouring space is formed inside the third vertical plate, the fourth vertical plate and the flue gas collecting cover, two sides of the second ferrosilicon pouring space are opened, the second flue gas waste heat isolating mechanism comprises a fifth isolating door, a sixth isolating door, a seventh isolating door and an eighth isolating door, the fifth isolating door is arranged on one side of the third vertical plate, the sixth isolating door is arranged on the other side of the third vertical plate, the seventh isolation door is arranged on one side of the fourth vertical plate, the eighth isolation door is arranged on the other side of the fourth vertical plate, the structures of the fifth isolation door, the seventh isolation door, the first isolation door and the third isolation door are the same, the structures of the sixth isolation door, the eighth isolation door, the second isolation door and the fourth isolation door are the same, the first isolation door comprises a first door, a second door and a third door, the first door is arranged on one side of the first vertical plate, the third door is far away from the first vertical plate, the second door is arranged between the first door and the third door, a fifth hinge is further arranged between the first door and the second door and between the second door and the third door, so that the first door and/or the second door and/or the third door are folded along the axis of the fifth hinge, and the second isolation door comprises a fourth door, the fifth door and the sixth door are arranged on one side of the second vertical plate, the sixth door is arranged far away from the second vertical plate, the fifth door is arranged between the fourth door and the sixth door, a sixth hinge is further arranged between the fourth door and the fifth door and between the fifth door and the sixth door, so that the fourth door and/or the fifth door and/or the sixth door can be folded along the axis of the sixth hinge, the second vertical plate and the third vertical plate can be moved simultaneously, the first supporting mechanism and the second supporting mechanism can be detached, so that a third silicon iron casting space is formed inside the second vertical plate, the third vertical plate and the flue gas collecting cover, two sides of the third silicon iron casting space are open, the silicon iron water containing mechanism comprises a first casting base, a second casting base and a third casting base, the third pouring base is arranged between the first pouring base and the second pouring base, the flue gas waste heat recovery mechanism comprises a flue gas collection cover, a first flue gas waste heat recovery pipe, a second flue gas waste heat recovery pipe, a third flue gas waste heat recovery pipe and a fixed pull rod, the flue gas collection cover is arranged at the top ends of the first support mechanism and the second support mechanism, a plurality of through holes are arranged in the flue gas collection cover, one end of the first flue gas waste heat recovery pipe is arranged in the through hole of the flue gas collection cover, which is close to the first ferrosilicon pouring space, the other end of the first flue gas waste heat recovery pipe is connected with an external device so as to convey flue gas with waste heat in the first ferrosilicon pouring space to the external device, one end of the second flue gas waste heat recovery pipe is arranged in the through hole of the flue gas collection cover, which is close to the second ferrosilicon pouring space, the other end of the second flue gas waste heat recovery pipe is connected with the external device, in order to carry the flue gas that the second ferrosilicon pouring space is inside to have the waste heat to external device, third flue gas waste heat recovery pipe one end sets up in the through-hole of flue gas collection cover intermediate position, the third flue gas waste heat recovery pipe other end is connected with external device to carry the flue gas that the third ferrosilicon pouring space is inside to have the waste heat to external device, fixed pull rod one end sets up on the flue gas collection cover, the fixed pull rod other end sets up on the crossbeam or the longeron of ferrosilicon pouring factory building.

2. The mobile folding ferrosilicon casting flue gas waste heat recovery device according to claim 1, wherein: the first isolation door and the third isolation door are symmetrically arranged on the first isolation surface, the first isolation door and the third isolation door are rigid high-temperature-resistant plate bodies, the second isolation door and the fourth isolation door are symmetrically arranged on the second isolation surface, and the second isolation door and the fourth isolation door are high-temperature-resistant rigid plate bodies.

3. The mobile folding ferrosilicon casting flue gas waste heat recovery device according to claim 1, wherein: the first isolation door is provided with a plurality of first hinges at the junction of first riser one side to make first isolation door free rotation in first riser one side, the junction of second isolation door and first riser opposite side is provided with a plurality of second hinges, so that second isolation door free rotation in first riser opposite side, the junction of third isolation door and second riser one side is provided with a plurality of third hinges, so that third isolation door free rotation in second riser one side, the junction of fourth isolation door and second riser opposite side is provided with a plurality of fourth hinges, so that fourth isolation door free rotation in second riser opposite side.

4. The mobile folding ferrosilicon casting flue gas waste heat recovery device according to claim 1, wherein: the top end of the second isolation surface is adjacent to the flue gas collection cover, the bottom end of the second isolation surface is higher than the first casting base, so that a first gap is formed between the second isolation surface and the first casting base, the top end of the first isolation surface is adjacent to the flue gas collection cover, and the bottom end of the first isolation surface is higher than the bottom end of the second isolation surface, so that a second gap is formed between the first isolation surface and the first casting base, and the second gap is larger than the first gap.

5. The mobile folding ferrosilicon casting flue gas waste heat recovery device according to claim 1, wherein: the second isolation door and the fourth isolation door are further provided with a plurality of first fixing pieces at the joint of the other side of the first silicon iron pouring space, each first fixing piece comprises a first fixing block, a second fixing block and a first T-shaped pin, each first fixing block is arranged at one side, far away from the second hinge, of the second isolation door, a semicircular through hole is formed in one side end of each first fixing block, each second fixing block is arranged at one side, far away from the fourth hinge, of the fourth isolation door, a semicircular through hole is formed in one side end of each second fixing block, the first fixing blocks are connected with the second fixing blocks, so that the semicircular through holes of the first fixing blocks are connected with the semicircular through holes of the second fixing blocks to form first round holes for arranging first T-shaped pins, one ends of the first T-shaped pins penetrate through the first round holes, and the other ends of the first T-shaped pins are arranged at the upper ends of the first round holes to fix the first fixing blocks and the second fixing blocks; the first isolation door and the third isolation door are provided with a plurality of second fixing pieces at the joint of one side of the first silicon iron casting space, and the second fixing pieces and the first fixing pieces are identical in structure so as to fix the first isolation door and the third isolation door.

6. The mobile folding ferrosilicon casting flue gas waste heat recovery device according to claim 1, wherein: the first isolation door is further provided with a plurality of first ventilation holes so that external air is connected with a first ferrosilicon pouring space far away from one end of the first pouring base, the second isolation door is further provided with a plurality of second ventilation holes and third ventilation holes, the third ventilation holes are formed in one end, close to the first pouring base, of the second isolation door so that external air is communicated with the first ferrosilicon pouring space close to one end of the first pouring base, and the second ventilation holes are formed in one end, far away from the first pouring base, of the second isolation door so that external air is communicated with the first ferrosilicon pouring space far away from one end of the first pouring base.

7. The mobile folding ferrosilicon casting flue gas waste heat recovery device according to claim 1, wherein: the outer surface of the first isolation door is also provided with a first heat preservation layer so as to greatly reduce heat exchange between flue gas waste heat and external air in the first silicon iron casting space, and the first heat preservation layer is provided with a plurality of through holes which are the same as the first ventilation holes so that the external air passes through the through holes of the first heat preservation layer and the first ventilation holes and enters the first silicon iron casting space; the second insulation door is characterized in that a second insulation layer is further arranged on the outer surface of the second insulation door so as to greatly reduce heat exchange between flue gas waste heat and external air in the first silicon iron casting space, and a plurality of through holes which are the same as the second ventilation holes and the third ventilation holes are formed in the second insulation layer so that the external air passes through the through holes, the second ventilation holes and the third ventilation holes of the second insulation layer and enters the first silicon iron casting space.

8. The mobile folding ferrosilicon casting flue gas waste heat recovery device according to claim 1, wherein: the first riser, second riser top still are provided with first heat preservation baffle to reduce the gap between first riser, second riser top and the flue gas collection cover, first division gate, third division gate top still are provided with the second heat preservation baffle, in order to reduce the gap between first division gate, third division gate top and the flue gas collection cover, second division gate, fourth division gate top still are provided with the third heat preservation baffle, in order to reduce the gap between second division gate, fourth division gate top and the flue gas collection cover.