CN209773457U - ferrosilicon pouring flue gas waste heat recovery device - Google Patents

Abstract

A ferrosilicon pouring flue gas waste heat recovery device comprises a supporting mechanism, a ferrosilicon water containing mechanism, a flue gas waste heat recovery mechanism and a flue gas waste heat isolating mechanism, wherein the supporting mechanism is arranged on a horizontal plane, the ferrosilicon water containing mechanism is arranged inside the bottom end of the supporting mechanism, the flue gas waste heat recovery mechanism is arranged at the top of the supporting mechanism, and the flue gas waste heat isolating mechanism is arranged at two sides of the supporting mechanism, the highest recovery of flue gas waste heat in the ferrosilicon pouring space is realized.

Description

Ferrosilicon pouring flue gas waste heat recovery device

Technical Field

The utility model relates to a ferrosilicon water pouring waste heat recovery technical field especially relates to a ferrosilicon pouring flue gas waste heat recovery device.

Background

In the prior art, molten silicon iron is firstly poured into a pouring base, the pouring base is provided with an overflow port, the molten silicon 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 mold, the molten silicon iron flowing out from the overflow port flows into the ingot mold, and a large amount of heat is released in the process of pouring molten silicon iron to the pouring base and discharging the molten silicon iron from the pouring base, although the upper end of the pouring base is provided with the flue gas recovery cover, the upper end and the periphery of the pouring base are open environments, a large amount of waste heat in the silicon molten iron can still be continuously released to the surrounding environment, the flue gas recovery hood has low waste heat recovery efficiency in the process of pouring the silicon molten iron, thereby causing great energy waste, meanwhile, the heat exchange between the waste heat in the silicon molten iron pouring process and the ambient air is carried out, so that the temperature of the ambient air is increased, the harm to nearby workers is easy to cause, and the potential safety hazard exists.

Disclosure of Invention

In view of the above, it is necessary to provide a flue gas waste heat recovery device for ferrosilicon casting.

A ferrosilicon pouring flue gas waste heat recovery device comprises a supporting mechanism, a ferrosilicon water containing mechanism, a flue gas waste heat recovery mechanism and a flue gas waste heat isolating mechanism, wherein the supporting mechanism is arranged on a horizontal plane, the ferrosilicon water containing mechanism is arranged inside the bottom end of the supporting mechanism, the flue gas waste heat recovery mechanism is arranged at the top of the supporting mechanism, the flue gas waste heat isolating mechanism is arranged on two sides of the supporting mechanism, the supporting mechanism comprises a first vertical plate, a second vertical plate and a first transverse plate, the first vertical plate is arranged on one side of the ferrosilicon water containing mechanism, the second vertical plate is arranged on the other side of the ferrosilicon water containing mechanism, the first transverse plate is arranged at the top ends of the first vertical plate and the second vertical plate, so that the insides of the first vertical plate, the second vertical plate and the first transverse plate form a ferrosilicon pouring space, two sides of the ferrosilicon pouring space are open, a through hole, the ferrosilicon water containing mechanism is a pouring base, the pouring base is arranged on a horizontal plane, the flue gas waste heat recovery mechanism is a flue gas waste heat recovery pipe, one end of the flue gas waste heat recovery pipe is arranged in a through hole of a first transverse plate, the other end of the flue gas waste heat recovery pipe is connected with an external device so as to convey flue gas with waste heat in the ferrosilicon pouring space to the external device, the flue gas 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 on one side of the first vertical plate, the second isolation door is arranged on the other side of the first vertical plate, the third isolation door is arranged on one side of the second vertical plate, the fourth isolation door is arranged on the other side of the second vertical plate, the first isolation door and the third isolation door are connected on one side of the ferrosilicon pouring space so as to enable the first isolation door and the third isolation door to form a first isolation surface on one side of the ferrosilicon pouring, in order to prevent that the inside flue gas that has the waste heat in ferrosilicon pouring space from overflowing in the uncovered of ferrosilicon pouring space one side, the second insulated gate is connected at ferrosilicon pouring space opposite side with the fourth insulated gate to make second insulated gate and fourth insulated gate form second isolated face at ferrosilicon pouring space opposite side, to prevent that the inside flue gas that has the waste heat in ferrosilicon pouring space from overflowing in the uncovered of ferrosilicon pouring space opposite side.

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

Preferably, the junction of the first isolation door and one side of the first riser is provided with a plurality of first hinges so as to enable the first isolation door to rotate freely on one side of the first riser, the junction of the second isolation door and the other side of the first riser is provided with a plurality of second hinges so as to enable the second isolation door to rotate freely on the other side of the first riser, the junction of the third isolation door and one side of the second riser is provided with a plurality of third hinges so as to enable the third isolation door to rotate freely on one side of the second riser, and the junction of the fourth isolation door and the other side of the second riser is provided with a plurality of fourth hinges so as to enable the fourth isolation door to rotate freely on the other side of the second riser.

Preferably, the top end of the second isolation surface is adjacent to the first transverse plate, the bottom end of the second isolation surface is higher than the pouring base so as to form a first gap between the second isolation surface and the pouring base, the top end of the first isolation surface is adjacent to the first transverse plate, the bottom end of the first isolation surface is higher than the bottom end of the second isolation surface so as to form a second gap between the first isolation surface and the pouring base, and the second gap is larger than the first gap.

Preferably, the second isolation door and the fourth isolation door are also provided with a plurality of first fixing pieces at the connection part of the other side of the silicon iron casting space, 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 of the second isolation door far away from the second hinge, a semicircular through hole is formed at one side end part of the second fixing block, the second fixing block is arranged at one side of the fourth isolation door far away from the fourth hinge, a semicircular through hole is formed at one side end part of the second fixing block, 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 the 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, so as to fix the first fixed block and the second fixed block; first isolation door and third isolation door are provided with a plurality of second mounting in ferrosilicon pouring space one side junction, the second mounting is the same with first mounting structure to fix first isolation door, third isolation door.

Preferably, still be provided with the first ventilation hole of a plurality of on the first isolation door to make the outside air be connected with the ferrosilicon pouring space of keeping away from pouring base one end, still be provided with a plurality of second ventilation hole, third ventilation hole on the second isolation door, the third ventilation hole sets up in the one end that the second isolation door is close to the pouring base, so that the outside air is linked together with the ferrosilicon pouring space that is close to pouring base one end, the second ventilation hole sets up in the one end that the pouring base was kept away from to the second isolation door, so that the outside air is linked together with the ferrosilicon pouring space of keeping away from pouring base one end.

Preferably, the outer surface of the first isolating door is further provided with a first heat-insulating layer to greatly reduce heat exchange between the flue gas waste heat and the external air in the silicon iron pouring space, and the first heat-insulating 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-insulating layer and the first ventilation holes and enters the silicon iron pouring space; still be provided with the second heat preservation on the surface of second insulated door to reduce the heat exchange of flue gas waste heat and outside air in the ferrosilicon pouring space by a wide margin, set up the through-hole that a plurality of and second venthole, third venthole are the same on the second heat preservation, so that outside air passes through and enters inside the ferrosilicon pouring space from through-hole, second venthole, the third venthole of second heat preservation.

The utility model is provided with a first isolation door, a second isolation door, a third isolation door and a fourth isolation door, the first isolation door is rotated towards the opening at one side of the silicon iron pouring space, the third isolation door is rotated towards the opening at one side of the 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 silicon iron pouring space, the second isolation door rotates towards the opening at the other side of the silicon iron pouring space, the fourth isolation door rotates towards the opening at the other side of the silicon iron pouring space, so that the second isolation door and the fourth isolation door form a second isolation surface on the other side of the silicon iron pouring space, the contact surface of flue gas waste heat and outside air in with reducing ferrosilicon pouring space by a wide margin, flue gas waste heat and the direct heat exchange of outside air in reducing ferrosilicon pouring space can also reduce ferrosilicon pouring space both sides to staff's potential harm on every side.

The utility model discloses still be provided with first ventilation hole, the second ventilation hole, third ventilation hole, outside air is constantly from first ventilation hole, the second ventilation hole, third ventilation hole and other gaps are inhaled to ferrosilicon pouring space in, inhaled outside air is heated in ferrosilicon pouring space and is become the flue gas, and heat in the ferrosilicon pouring space is difficult to follow first ventilation hole, the second ventilation hole, third ventilation hole and other gaps escape to the external environment, the effectual inside heat exchange with the outside air in ferrosilicon pouring space that has reduced, the heat that makes the ferrosilicon molten iron becomes the flue gas with the heating of more outside air, promote the inside flue gas total amount in ferrosilicon pouring space, flue gas waste heat recovery pipe carries more flue gas to external device in, realize the highest recovery of flue gas waste heat in the ferrosilicon pouring space.

Drawings

FIG. 1 is a schematic front view of a flue gas waste heat recovery device for silicon iron casting.

FIG. 2 is a schematic diagram of a side view of a flue gas waste heat recovery device for silicon iron casting.

In the figure: first riser 11, second riser 12, first diaphragm 13, pouring base 21, flue gas waste heat recovery pipe 31, first isolation door 41, first hinge 411, first ventilation hole 412, second isolation door 42, second hinge 421, first mounting 422, first fixed block 4221, second fixed block 4222, first T type pin 4223, second ventilation hole 423, third ventilation hole 424, fourth isolation door 44, fourth hinge 441.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used 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 it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Referring to fig. 1 and 2, the utility model provides a ferrosilicon pouring flue gas waste heat recovery device, which comprises a supporting mechanism, a ferrosilicon water containing mechanism, a flue gas waste heat recovery mechanism and a flue gas waste heat isolating mechanism, wherein the supporting mechanism is arranged on a horizontal plane, the ferrosilicon water containing mechanism is arranged inside the bottom end of the supporting mechanism, the flue gas waste heat recovery mechanism is arranged at the top of the supporting mechanism, the flue gas waste heat isolating mechanism is arranged at two sides of the supporting mechanism to greatly reduce the contact surface between the flue gas waste heat and the outside air in the ferrosilicon pouring space, the supporting mechanism comprises a first vertical plate 11, a second vertical plate 12 and a first transverse plate 13, the first vertical plate 11 is arranged at one side of the ferrosilicon water containing mechanism, the second vertical plate 12 is arranged at the other side of the ferrosilicon water containing mechanism, and the first transverse plate 13 is arranged at the top ends of the first vertical plate 11 and the second vertical, so that the inside of first riser 11, second riser 12, first diaphragm 13 forms ferrosilicon pouring space, ferrosilicon pouring space both sides are uncovered, and flue gas waste heat in the ferrosilicon pouring space escapes to the external environment from uncovered both sides, set up the through-hole in the first diaphragm 13, ferrosilicon containing mechanism is pouring base 21, and ferrosilicon water is filled with the back and flows out from the overflow mouth in pouring base 21, flows into to outside ingot mould afterwards, and to pouring base 21 pouring ferrosilicon liquid and ferrosilicon liquid from pouring base 21 outflow in-process, and a large amount of heat of ferrosilicon water release, and a large amount of heat forms the flue gas that has the waste heat with air heat exchange, and the flue gas is full of ferrosilicon pouring space, pouring base 21 sets up on the horizontal plane, flue gas waste heat recovery mechanism is flue gas waste heat recovery pipe 31, flue gas waste heat recovery pipe 31 one end sets up in the through-hole of first diaphragm 13, the other end of the flue gas waste heat recovery pipe 31 is connected with an external device so as to convey flue gas with waste heat in the silicon iron pouring space to the external device and further be recycled by the external device, the flue gas waste heat isolation mechanism comprises a first isolation door 41, a second isolation door 42, a third isolation door and a fourth isolation door 44, the first isolation door 41 is arranged on one side of a first vertical plate 11, the second isolation door 42 is arranged on the other side of the first vertical plate 11, the third isolation door is arranged on one side of a second vertical plate 12, the fourth isolation door 44 is arranged on the other side of the second vertical plate 12, the first isolation door 41 and the third isolation door are connected on one side of the silicon iron pouring space so as to form a first isolation surface on one side of the silicon iron pouring space by the first isolation door 41 and the third isolation door so as to reduce the contact surface between the flue gas waste heat and the external air in the silicon iron pouring space, in order to prevent that the inside flue gas that has the waste heat in ferrosilicon pouring space from overflowing in the uncovered of ferrosilicon pouring space one side, second insulated door 42 is connected at ferrosilicon pouring space opposite side with fourth insulated door 44 to make second insulated door 42 and fourth insulated door 44 form the isolated face of second at ferrosilicon pouring space opposite side, with the contact surface of flue gas waste heat and outside air in reducing ferrosilicon pouring space, in order to prevent that the inside flue gas that has the waste heat in ferrosilicon pouring space from overflowing in the uncovered of ferrosilicon pouring space opposite side.

Specifically, first riser 11, second riser 12, first diaphragm 13 are rigidity plate body or wall body, and set up the heat preservation at the surface of first riser 11, second riser 12, first diaphragm 13 to prevent that the flue gas waste heat in the ferrosilicon pouring space from carrying out the heat exchange through first riser 11, second riser 12, first diaphragm 13 and external world, reduce the thermal loss in ferrosilicon pouring space.

specifically, an air draft device can be further arranged between the pipeline connected with the external device at the other end of the flue gas waste heat recovery pipe 31, so that the recovery efficiency of the flue gas volume in the ferrosilicon pouring space of the flue gas waste heat recovery pipe 31 is accelerated.

Concretely, supporting mechanism's height is far greater than the height of pouring base 21, cause the inside ferrosilicon pouring space of supporting mechanism very big, and first isolation surface that first isolation door 41 is connected the formation with the third isolation door sets up in the uncovered of ferrosilicon pouring space one side, second isolation door 42 sets up in the uncovered of ferrosilicon pouring space opposite side with the second isolation surface that fourth isolation door 44 is connected the formation, with reduce the contact surface of flue gas waste heat and outside air in the ferrosilicon pouring space by a wide margin, reduce the direct heat exchange of flue gas waste heat and outside air in the ferrosilicon pouring space, in carrying to flue gas waste heat recovery pipe 31 in making the flue gas in the ferrosilicon pouring space as much as possible, improve the recovery total amount of flue gas waste heat recovery pipe 31 to the flue gas.

Further, the first isolation door 41 and the third isolation door are symmetrically arranged on the first isolation surface, the first isolation door 41 and the third isolation door are rigid high-temperature-resistant plates, the second isolation door 42 and the fourth isolation door 44 are symmetrically arranged on the second isolation surface, and the second isolation door 42 and the fourth isolation door 44 are high-temperature-resistant rigid plates.

Specifically, the first isolation surface is arranged on one side of the silicon iron pouring space, the second isolation surface is arranged on the other side of the silicon iron pouring space, the first isolation surface and the second isolation surface have large surface areas, and the first isolation door 41 and the third isolation door are required to be rigid high-temperature-resistant plate bodies, so that the first isolation door 41 and the third isolation door are heated in the silicon iron pouring space without deformation, the first isolation door 41 is arranged on one side of the first vertical plate 11, and the third isolation door is arranged on one side of the second vertical plate 12; similarly, the second isolation door 42 and the fourth isolation door 44 are required to be high temperature resistant rigid plates.

Further, a plurality of first hinges 411 are arranged at the connection position of the first isolation door 41 and one side of the first vertical plate 11, so that the first isolation door 41 can freely rotate at one side of the first vertical plate 11, a plurality of second hinges 421 are arranged at the connection position of the second isolation door 42 and the other side of the first vertical plate 11, so that the second isolation door 42 can freely rotate at the other side of the first vertical plate 11, a plurality of third hinges are arranged at the connection position of the third isolation door and one side of the second vertical plate 12, so that the third isolation door can freely rotate at one side of the second vertical plate 12, and a plurality of fourth hinges 441 are arranged at the connection position of the fourth isolation door 44 and the other side of the second vertical plate 12, so that the fourth isolation door 44 can freely rotate at the other side of the second vertical plate 12.

Concretely, the silicon iron water pours before the pouring in the ferrosilicon pouring space, rotate first isolation door 41 to the uncovered of ferrosilicon pouring space one side, rotate the third isolation door to the uncovered of ferrosilicon pouring space one side, so that first isolation door 41 and third isolation door form first isolation face in ferrosilicon pouring space one side, rotate second isolation door 42 to the uncovered of ferrosilicon pouring space opposite side, rotate fourth isolation door 44 to the uncovered of ferrosilicon pouring space opposite side, so that second isolation door 42 and fourth isolation door 44 form second isolation face at ferrosilicon pouring space opposite side, with reduce the contact surface of flue gas waste heat and outside air in the ferrosilicon pouring space by a wide margin, reduce the direct heat exchange of flue gas waste heat and outside air in the ferrosilicon pouring space.

Further, the top end of the second isolation surface is adjacent to the first transverse plate 13 so as to reduce a gap between the second isolation surface and the first transverse plate 13 and further reduce heat exchange between smoke and outside air in the silicon iron pouring space, the bottom end of the second isolation surface is higher than the pouring base 21 so as to form a first gap between the second isolation surface and the pouring base 21, an overflow port is formed in the pouring base 21 so as to enable silicon iron water in the pouring base 21 to flow out from the overflow port, the overflow port is located in the first gap, the flowing silicon iron water flows into the ingot mold through the first gap, the top end of the first isolation surface is adjacent to the first transverse plate 13 so as to reduce the gap between the first isolation surface and the first transverse plate 13 and further reduce heat exchange between the smoke and the outside air in the silicon iron pouring space, the bottom end of the first isolation surface is higher than the bottom end of the second isolation surface so as to form a second gap between the first isolation surface and the pouring base 21, the second space is greater than first space to set up outside ferrosilicon water pouring device output in the second space, so that the ferrosilicon water that makes outside ferrosilicon water pouring device output flow out passes through the second space and flows into to pouring base 21.

Further, the second isolation door 42 and the fourth isolation door 44 are further provided with a plurality of first fixing pieces 422 at the connection position of the other side of the silicon iron casting space, each first fixing piece 422 comprises a first fixing block 4221, a second fixing block 4222 and a first T-shaped pin 4223, the first fixing block 4221 is arranged on one side of the second isolation door 42 far away from the second hinge 421, one side end of the second fixing block 4222 is provided with a semicircular through hole, the second fixing block 4222 is arranged on one side of the fourth isolation door 44 far away from the fourth hinge 441, one side end of the second fixing block 4222 is provided with a semicircular through hole, the first fixing block 4221 is connected with the second fixing block 4222 so as to enable the semicircular through hole of the first fixing block 4221 to be connected with the semicircular through hole of the second fixing block 4222 to form a first round hole for arranging the first T-shaped pin 4223, one end of the first T-shaped pin 4223 passes through the first round hole, the other end of the first T-shaped pin 4223 is arranged at the upper end of the first round hole to fix the first fixing block 4221 and the second fixing block 4222, so that the second isolating door 42 and the fourth isolating door 44 are fixed on the other side of the silicon iron pouring space, and potential harm to surrounding workers caused by the other side of the silicon iron pouring space can be reduced while heat exchange between smoke waste heat inside the silicon iron pouring space and outside air is greatly reduced; first isolation door 41 is provided with a plurality of second mounting with the third isolation door in ferrosilicon pouring space one side junction, the second mounting is the same with first mounting 422 structure to fix first isolation door 41, third isolation door, and then realize that first isolation door 41, third isolation door are fixed in ferrosilicon pouring space one side, when reducing ferrosilicon pouring space inside flue gas waste heat and outside air heat exchange by a wide margin, can also reduce ferrosilicon pouring space one side to staff's potential harm on every side.

Further, still be provided with the first ventilation hole 412 of a plurality of on the first insulated door 41 to make the outside air be connected with the ferrosilicon pouring space of keeping away from pouring base 21 one end, the outside air evenly gets into to the ferrosilicon pouring space in from the first ventilation hole 412 of a plurality of, and the outside air is added into for the flue gas in the ferrosilicon pouring space, in order to increase the flue gas content in the ferrosilicon pouring space, still be provided with a plurality of second ventilation hole 423, third ventilation hole 424 on the second insulated door 42, third ventilation hole 424 sets up in the one end that second insulated door 42 is close to pouring base 21, so that the outside air is linked together with the ferrosilicon pouring space that is close to pouring base 21 one end, and the outside air evenly gets into to the ferrosilicon pouring space in from a plurality of third ventilation hole 424, and the outside air is added into for the flue gas in the ferrosilicon pouring space, in order to increase the flue gas content in the ferrosilicon pouring space, the second ventilation holes 423 are formed in one end, far away from the pouring base 21, of the second isolation door 42, so that external air is communicated with the silicon iron pouring space far away from one end of the pouring base 21, the external air uniformly enters the silicon iron pouring space from the second ventilation holes 423, and the external air is added into smoke in the silicon iron pouring space to increase the smoke content in the silicon iron pouring space; so that the flue gas in the ferrosilicon pouring space is conveyed to the flue gas waste heat recovery pipe 31 as much as possible.

Specifically, the diameter of the third ventilation hole 424 is larger than that of the second ventilation hole 423, and after the third ventilation hole 424 is opened to a larger diameter due to the highest temperature near the pouring base 21, more external air can enter the silicon iron pouring space to heat the external air, so that the total amount of smoke in the silicon iron pouring space is increased; the temperature of the middle position of the silicon iron pouring space is lower than that of the position near the pouring base 21, and after the second ventilation holes 423 are formed into a smaller diameter, less external air can enter the silicon iron pouring space to heat the external air so as to increase the total amount of smoke in the silicon iron pouring space; simultaneously because the air flow that gets into to ferrosilicon pouring space from second ventilation hole 423 is less than the air flow that gets into to ferrosilicon pouring space from third ventilation hole 424, makes the flue gas temperature that second ventilation hole 423 got into ferrosilicon pouring space and the flue gas temperature that second ventilation hole 423 got into ferrosilicon pouring space tend to unanimously to improve the uniformity of flue gas temperature in the ferrosilicon pouring space.

Specifically, the ferrosilicon water in the pouring base 21 releases a large amount of heat in ferrosilicon pouring space, and a large amount of heat and air heat exchange form the flue gas that has the waste heat, and the flue gas is expanded after being heated, and the flue gas rises to near flue gas waste heat recovery pipe 31, and flue gas waste heat recovery pipe 31 carries the flue gas to external device in, simultaneously, can also set up updraft ventilator between the pipeline that the flue gas waste heat recovery pipe 31 other end and external device are connected to flue gas volume's recovery efficiency in the ferrosilicon pouring space is to the acceleration flue gas waste heat recovery pipe 31, improves the flue gas and retrieves the total amount. Outside air is constantly from first ventilation hole 412, second ventilation hole 423, third ventilation hole 424 and other gaps are inhaled to ferrosilicon pouring space in, inhaled outside air is heated in ferrosilicon pouring space and is become the flue gas, and heat in the ferrosilicon pouring space is difficult to follow first ventilation hole 412, second ventilation hole 423, third ventilation hole 424 and other gaps escape to the external environment, the effectual inside heat exchange with the outside air of ferrosilicon pouring space that has reduced, the heat that makes the molten iron of silicon heats more outside air and becomes the flue gas, promote the inside flue gas total amount in ferrosilicon pouring space, flue gas waste heat recovery pipe 31 carries more flue gas to the external device in, realize the highest recovery of flue gas waste heat in the ferrosilicon pouring space.

further, a first heat-insulating layer is further arranged on the outer surface of the first isolating door 41 to greatly reduce heat exchange between the flue gas waste heat in the silicon iron pouring space and the external air, and a plurality of through holes identical to the first ventilation holes 412 are formed in the first heat-insulating layer, so that the external air passes through the through holes of the first heat-insulating layer and the first ventilation holes 412 and enters the silicon iron pouring space; still be provided with the second heat preservation on the surface of second insulated door 42 to reduce the heat exchange of flue gas waste heat and outside air in ferrosilicon pouring space by a wide margin, set up the through-hole that a plurality of and second ventilation hole 423, third ventilation hole 424 are the same on the second heat preservation, so that outside air passes through and enters into ferrosilicon pouring space inside from through-hole, second ventilation hole 423, the third ventilation hole 424 of second heat preservation.

The outer surface of the third isolating door is also provided with a third insulating layer so as to greatly reduce the heat exchange between the flue gas waste heat in the silicon iron pouring space and the outside air, and the third insulating layer is provided with a plurality of through holes which are the same as the first vent holes 412 so that the outside air passes through the through holes of the third insulating layer and the first vent holes 412 and enters the silicon iron pouring space; still be provided with the fourth heat preservation on the surface of fourth isolating door 44 to reduce the heat exchange of flue gas waste heat and outside air in the ferrosilicon pouring space by a wide margin, set up the through-hole that a plurality of and second ventilation hole 423, third ventilation hole 424 are the same on the fourth heat preservation, so that outside air passes through and enters into ferrosilicon pouring space inside from through-hole, second ventilation hole 423, the third ventilation hole 424 of fourth heat preservation.

The method comprises the following specific implementation steps:

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

2) The flue gas waste heat recovery pipe 31 conveys the flue gas to an external device, and an air draft device can be arranged to accelerate the recovery efficiency of the flue gas waste heat recovery pipe 31 on the flue gas amount in the ferrosilicon pouring space;

3) Outside air is constantly from first ventilation hole 412, second ventilation hole 423, third ventilation hole 424 and other gaps inhaled to ferrosilicon pouring space in, and inhaled outside air is constantly heated in ferrosilicon pouring space and is become the flue gas, improves the flue gas total amount in the ferrosilicon pouring space, and the temperature of ferrosilicon liquid can not satisfy the flue gas recovery requirement in pouring base 21 to the ferrosilicon.

The embodiment of the utility model provides a module or unit in the device can merge, divide and delete according to actual need.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (7)

1. The utility model provides a ferrosilicon pouring flue gas waste heat recovery device which characterized in that: the device comprises a supporting mechanism, a silicon iron water containing mechanism, a flue gas waste heat recovery mechanism and a flue gas waste heat isolating mechanism, wherein the supporting mechanism is arranged on a horizontal plane, the silicon iron water containing mechanism is arranged in the bottom end of the supporting mechanism, the flue gas waste heat recovery mechanism is arranged at the top of the supporting mechanism, the flue gas waste heat isolating mechanism is arranged on two sides of the supporting mechanism, the supporting mechanism comprises a first vertical plate, a second vertical plate and a first transverse plate, the first vertical plate is arranged on one side of the silicon iron water containing mechanism, the second vertical plate is arranged on the other side of the silicon iron water containing mechanism, the first transverse plate is arranged at the top ends of the first vertical plate and the second vertical plate, so that the interiors of the first vertical plate, the second vertical plate and the first transverse plate form a silicon iron pouring space, two sides of the silicon iron pouring space are open, a through hole is formed in the first transverse plate, and the, the pouring base is arranged on a horizontal plane, the flue gas waste heat recovery mechanism is a flue gas waste heat recovery pipe, one end of the flue gas waste heat recovery pipe is arranged in a through hole of a first transverse plate, the other end of the flue gas waste heat recovery pipe is connected with an external device so as to convey flue gas with waste heat in the silicon iron pouring space to the external device, the flue gas 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 on one side of a first vertical plate, the second isolation door is arranged on the other side of the first vertical plate, the third isolation door is arranged on one side of the second vertical plate, the fourth isolation door is arranged on the other side of the second vertical plate, the first isolation door and the third isolation door are connected on one side of the silicon iron pouring space so that the first isolation door and the third isolation door form a first isolation surface on one side of the silicon iron pouring space, in order to prevent that the inside flue gas that has the waste heat in ferrosilicon pouring space from overflowing in the uncovered of ferrosilicon pouring space one side, the second insulated gate is connected at ferrosilicon pouring space opposite side with the fourth insulated gate to make second insulated gate and fourth insulated gate form second isolated face at ferrosilicon pouring space opposite side, to prevent that the inside flue gas that has the waste heat in ferrosilicon pouring space from overflowing in the uncovered of ferrosilicon pouring space opposite side.

2. The ferrosilicon pouring flue gas waste heat recovery device of claim 1, characterized in that: 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 ferrosilicon pouring flue gas waste heat recovery device of claim 1, characterized in that: the first isolation door is provided with a plurality of first hinges at a connection part of one side of the first vertical plate, so that the first isolation door can freely rotate at one side of the first vertical plate, the second isolation door is provided with a plurality of second hinges at a connection part of the other side of the first vertical plate, so that the second isolation door can freely rotate at the other side of the first vertical plate, the third isolation door is provided with a plurality of third hinges at a connection part of one side of the second vertical plate, so that the third isolation door can freely rotate at one side of the second vertical plate, and the fourth isolation door is provided with a plurality of fourth hinges at a connection part of the other side of the second vertical plate, so that the fourth isolation door can freely rotate at the other side of the second vertical plate.

4. The ferrosilicon pouring flue gas waste heat recovery device of claim 1, characterized in that: the top end of the second isolation surface is adjacent to the first transverse plate, the bottom end of the second isolation surface is higher than the pouring base so that a first gap is formed between the second isolation surface and the pouring base, the top end of the first isolation surface is adjacent to the first transverse plate, 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 pouring base, and the second gap is larger than the first gap.

5. The ferrosilicon pouring flue gas waste heat recovery device of claim 3, characterized in that: the second isolation door and the fourth isolation door are also provided with a plurality of first fixing pieces at the connecting part of the other side of the silicon iron pouring space, the first fixing piece comprises a first fixing block, a second fixing block and a first T-shaped pin, the first fixing block is arranged on one side of the second isolating door far away from the second hinge, the end part of one side of the second fixed block is provided with a semicircular through hole, the second fixed block is arranged on one side of the fourth isolating door far away from the fourth hinge, the first fixed block is connected with the second fixed 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 the 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; first isolation door and third isolation door are provided with a plurality of second mounting in ferrosilicon pouring space one side junction, the second mounting is the same with first mounting structure to fix first isolation door, third isolation door.

6. The ferrosilicon pouring flue gas waste heat recovery device of claim 1, characterized in that: still be provided with the first ventilation hole of a plurality of on the first isolation door to make outside air be connected with the ferrosilicon pouring space of keeping away from pouring base one end, still be provided with a plurality of second ventilation hole, third ventilation hole on the second isolation door, the third ventilation hole sets up in the one end that the second isolation door is close to the pouring base, so that outside air is linked together with the ferrosilicon pouring space of being close to pouring base one end, the second ventilation hole sets up in the one end that the pouring base was kept away from to the second isolation door, so that outside air is linked together with the ferrosilicon pouring space of keeping away from pouring base one end.

7. The ferrosilicon pouring flue gas waste heat recovery device of claim 6, characterized in that: the outer surface of the first isolating door is also provided with a first heat-insulating layer so as to greatly reduce heat exchange between flue gas waste heat and external air in the silicon iron pouring space, and the first heat-insulating 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-insulating layer and the first ventilation holes and enters the silicon iron pouring space; still be provided with the second heat preservation on the surface of second insulated door to reduce the heat exchange of flue gas waste heat and outside air in the ferrosilicon pouring space by a wide margin, set up the through-hole that a plurality of and second venthole, third venthole are the same on the second heat preservation, so that outside air passes through and enters inside the ferrosilicon pouring space from through-hole, second venthole, the third venthole of second heat preservation.