CN210833094U - Waste heat recovery device for feeding bin of tower-type melting furnace - Google Patents
Waste heat recovery device for feeding bin of tower-type melting furnace Download PDFInfo
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- CN210833094U CN210833094U CN201921281346.8U CN201921281346U CN210833094U CN 210833094 U CN210833094 U CN 210833094U CN 201921281346 U CN201921281346 U CN 201921281346U CN 210833094 U CN210833094 U CN 210833094U
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Abstract
The utility model discloses a waste heat recovery device for a feeding bin of a tower-type melting furnace, which comprises a feeding bin, a furnace wellhead prying cover, a heat collection cover, a water supply pipe, an upper connection horizontal pipe, a lower connection horizontal pipe and a serpentine heat exchange coil, wherein the feeding bin is connected by a left wallboard, a right wallboard, a back board and a connection bottom board; the water outlet end of the left heat exchange calandria and the water outlet end of the upper connecting horizontal pipe are converged to the snakelike heat exchange coil pipe, and hot water of the snakelike heat exchange coil pipe flows to the heat storage container. After the scheme is adopted, waste heat of the feeding bin and the heat collecting cover is absorbed, and hot water after the waste heat is collected is used for lithium bromide refrigeration or domestic water.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an aluminum alloy melting equipment technical field, concretely relates to tower melting furnace throws feed bin waste heat recovery device.
[ background of the invention ]
The tower-type melting furnace is used for melting massive aluminum alloy into aluminum liquid, and the aluminum liquid can be used for casting squirrel cage bars and end rings for rotors of the motors. In the prior art, a feeding bin of a hopper of a feeding vehicle, which enters and exits a tower-type melting furnace, is arranged at the top of the tower-type melting furnace at a high position, a heat collecting cover is arranged above the feeding bin, and due to the fact that hot air flows upwards and is conducted under the heat of the feeding bin, the temperature in the heat collecting cover is higher than 350 ℃, part of heat in the cover is dissipated to the surrounding environment, the indoor environment temperature is hard to be scorched, and part of heat is extracted by an induced draft fan and diffused outdoors after passing through a dust remover, so that a large amount of waste heat is wasted without end.
[ Utility model ] content
In order to overcome the defects of the prior art, the utility model aims to provide a waste heat recovery device for a feeding bin of a tower-type melting furnace.
Therefore, the utility model provides a following technical scheme:
tower melting furnace throws feed bin waste heat recovery device, including throwing feed bin, stove wellhead pry lid and connecting in throwing the thermal-arrest cover at feed bin top, throw the feed bin and connect by left wallboard, right wallboard, backplate and connecting bottom plate and form, stove wellhead pry lid is located connecting bottom plate top, and its improvement point lies in: the furnace wellhead prying cover is characterized by further comprising a water supply pipe, an upper connecting horizontal pipe, a lower connecting horizontal pipe arranged above the rear portion of the furnace wellhead prying cover and a snakelike heat exchange coil arranged in the heat collection cover, wherein a left flow distribution vertical pipe and a right flow distribution vertical pipe are symmetrically arranged near the left side and the right side of the rear portion of the furnace wellhead prying cover, the left flow distribution vertical pipe and the right flow distribution vertical pipe are respectively close to the rear back plate, a left heat exchange tube bank and a right heat exchange tube bank are symmetrically arranged near the left wall plate and the right wall plate, the water supply pipe is respectively communicated with the water inlet end of the right flow distribution vertical pipe and the water inlet end of the lower connecting horizontal pipe, the water outlet end of the right flow distribution vertical pipe is communicated with a lower gathering right pipe, the right heat exchange tube bank is respectively communicated; the water outlet end of the lower connecting horizontal pipe is communicated with the water inlet end of the left shunting vertical pipe, the water outlet end of the left shunting vertical pipe is communicated with the lower gathering left pipe, the left heat exchange calandria is respectively communicated with the upper gathering left pipe and the lower gathering left pipe, the water outlet end of the left heat exchange calandria and the water outlet end of the upper connecting horizontal pipe are jointly gathered to the snake-shaped heat exchange coil pipe, and the hot water outlet end of the snake-shaped heat exchange coil pipe flows to the heat storage container.
The feeding bin is provided with a front lifting movable door and a rear lifting movable door respectively, the front lifting movable door and the rear lifting movable door are driven by chain wheels respectively, and the front lifting movable door and the rear lifting movable door move up and down along respective guide rails.
The top end of the heat collecting cover is provided with an exhaust port.
The utility model has the advantages of as follows and positive effect:
the feeding bin is provided with the heat exchange calandria, the heat collection cover is internally provided with the snakelike heat exchange coil, water is used as a heat exchange medium, the water flows through the heat exchange calandria and then flows through the snakelike heat exchange coil, diffused waste heat in the feeding bin and high-temperature waste heat repelled in the heat collection cover are correspondingly and sequentially absorbed, the waste heat in the feeding bin is greatly reduced and dissipated to the ambient environment, a large amount of waste heat is reduced and discharged through an exhaust port of the heat collection cover, the waste heat in the feeding bin and the waste heat in the heat collection cover are exchanged by water absorption, hot water after the waste heat is collected is conveyed to the heat storage container through the hot water outlet pipe, and abundant hot water resources are used for lithium bromide refrigeration.
[ description of the drawings ]
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a front view of the present invention;
fig. 2 is a sectional view taken along F-F in fig. 1.
[ detailed description ] embodiments
Referring to fig. 1, 2 and showing, material storehouse waste heat recovery device is thrown to tower melting furnace, including throwing feed bin, stove well head sled lid 2 and connecting in throwing the thermal-arrest cover 3 at feed bin top, throw the feed bin and be formed by connecting left wallboard 11, right wallboard 12, postnotum 13 and connecting bottom plate 14, stove well head sled lid 2 is located connecting bottom plate 14 top, and its improvement point lies in: the furnace wellhead prying cover is characterized by further comprising a water supply pipe 4, an upper connecting horizontal pipe 5a, a lower connecting horizontal pipe 6a arranged above the rear portion of the furnace wellhead prying cover and a serpentine heat exchange coil 7 arranged in the heat collection cover, wherein a left shunt vertical pipe 61 and a right shunt vertical pipe 51 are symmetrically arranged near the left side and the right side of the rear portion of the furnace wellhead prying cover 2, the left shunt vertical pipe 61 and the right shunt vertical pipe 51 are respectively close to the rear back plate 13, a left heat exchange tube bank 63 and a right heat exchange tube bank 53 are symmetrically arranged near the left wall plate 11 and the right wall plate 12, the water supply pipe 4 is respectively communicated with the water inlet end (upper end) of the right shunt vertical pipe 51 and the water inlet end (right end) of the lower connecting horizontal pipe 6a, the water outlet end of the right shunt vertical pipe 51 is communicated with the lower gathering right pipe 52, the right heat exchange tube bank 53 is respectively communicated with the upper gathering right pipe 54 and the; the water outlet end of the lower horizontal connecting pipe 6a is communicated with the water inlet end of the left vertical dividing pipe 61, the water outlet end of the left vertical dividing pipe 61 is communicated with the lower left collecting pipe 62, the left heat exchange calandria 63 is respectively communicated with the upper left collecting pipe 64 and the lower left collecting pipe 62, the water outlet end of the left heat exchange calandria 63 and the water outlet end of the upper horizontal connecting pipe 5a are jointly collected to the serpentine heat exchange coil 7, and the hot water outlet end 70 of the serpentine heat exchange coil 7 flows to a heat storage container (not shown).
The water inlet ends of the water supply pipe 4 and the right diversion vertical pipe 51 are communicated with the water inlet end of the lower horizontal connecting pipe 6a through a three-way pipe (not shown); the water outlet end of the upper connecting horizontal pipe 5a and the water outlet end of the left heat exchange calandria 63 are communicated with the snakelike heat exchange coil 7 through a tee pipe fitting.
The structure of the heat collecting cover 3 is designed in a common way; a furnace wellhead prying cover 2 (known) can be covered on a furnace wellhead (not shown) of the tower type melting furnace in a lifting way, and a connecting bottom plate 14 is communicated with a furnace body of the tower type melting furnace; the transmission device for reclosing the furnace wellhead prying cover 2 after being opened and closed is of a conventional structure and is arranged on the outer wall of the back plate, the transmission device is of a conventional design and only needs to realize the required action of the furnace wellhead prying cover 2, the transmission device partially extends into a large hole (not shown) formed in the back plate 13 and is in transmission connection with the furnace wellhead prying cover 2, and the large hole is a movable space of the transmission device.
Because the left shunt stand pipe 61 and the right shunt stand pipe 51 are respectively close to the backboard 13, the arrangement of the left shunt stand pipe and the right shunt stand pipe can reduce the overflow of waste heat from the large hole of the backboard.
The heat collecting cover 3 is communicated with the feeding bin, and the temperature in the space of the heat collecting cover is higher than that in the space of the feeding bin.
The serpentine heat exchange coil 7 is arranged along the inner space of the heat collecting cover 3 in the depth direction.
The feeding bin is respectively provided with a front lifting movable door 8 and a rear lifting movable door 9, the front lifting movable door 8 and the rear lifting movable door 9 are respectively driven by a chain wheel 81 and a chain wheel 91, and the front lifting movable door 8 and the rear lifting movable door 9 respectively move up and down along a guide rail 82 and a guide rail 92.
In detail, the opposite side of backplate 13 is the open side (gate), preceding lift dodge gate 8 sets up in this open position, back lift dodge gate 9 sets up near backplate 13, during the pouring, open lift dodge gate 8, 9, so that the hopper of skip gets into from this open side, stove well head is uncovered automatically to stove well head pry lid 2, the hopper topples over the aluminium pig toward the stove well head, throw the material and finish back stove well head pry lid 2 and cover the stove well head immediately automatically, treat that the hopper shifts out after the open side, lift dodge gate 8, 9 then self-closing, so can avoid throwing the interior heat of feed bin excessive, ensure the effective collection of used heat.
The heat collecting cover 3 is provided at the top thereof with an exhaust port 30 for discharging harmful exhaust gas generated along with the melting of the aluminum block.
The reference numbers in the figures illustrate:
the left wall plate 11, the right wall plate 12, the back plate 13 and the connecting bottom plate 14;
a furnace wellhead prying cover 2;
a heat collecting cover 3 and an exhaust port 30;
a water supply pipe 4;
a right shunting vertical pipe 51, a lower collecting right pipe 52, a right heat exchange calandria 53, an upper collecting right pipe 54 and an upper connecting horizontal pipe 5 a;
connect horizontal pipe 6a down, left reposition of redundant personnel riser 61, lower left pipe 62 that gathers, left heat transfer calandria 63, upper left pipe 64 that gathers:
a serpentine heat exchange coil 7 and a hot water outlet end 70;
Claims (3)
1. The utility model provides a feed bin waste heat recovery device is thrown to tower melting furnace, is including throwing feed bin, stove wellhead pry lid and connecting in the thermal-arrest cover of throwing the feed bin top, throw the feed bin and be formed by left wallboard, right wallboard, backplate and connecting bottom plate connection, stove wellhead pry lid is located connecting bottom plate top, its characterized in that: also comprises a water supply pipe, an upper connecting horizontal pipe, a lower connecting horizontal pipe arranged at the rear upper part of the furnace wellhead prying cover and a snakelike heat exchange coil arranged in the heat collection cover,
a left flow-dividing vertical pipe and a right flow-dividing vertical pipe are symmetrically arranged near the left side and the right side of the rear part of the furnace wellhead prying cover, the left flow-dividing vertical pipe and the right flow-dividing vertical pipe are respectively close to the rear back plate, a left heat exchange tube bank and a right heat exchange tube bank are symmetrically arranged near the left wall plate and the right wall plate,
the water supply pipe is respectively communicated with the water inlet end of the right shunting vertical pipe and the water inlet end of the lower connecting horizontal pipe,
wherein the content of the first and second substances,
the water outlet end of the right flow dividing vertical pipe is communicated with the lower collecting right pipe, the right heat exchange tube bank is respectively communicated with the upper collecting right pipe and the lower collecting right pipe, and the water outlet end of the right heat exchange tube bank is communicated with the upper connecting horizontal pipe;
the water outlet end of the lower connecting horizontal pipe is communicated with the water inlet end of the left shunting vertical pipe, the water outlet end of the left shunting vertical pipe is communicated with the lower gathering left pipe, the left heat exchange calandria is respectively communicated with the upper gathering left pipe and the lower gathering left pipe,
the water outlet end of the left heat exchange calandria and the water outlet end of the upper connecting horizontal pipe are converged to the snakelike heat exchange coil together, and the hot water outlet end of the snakelike heat exchange coil flows to the heat storage container.
2. The waste heat recovery device for the feeding bin of the tower melting furnace as claimed in claim 1, wherein: the feeding bin is provided with a front lifting movable door and a rear lifting movable door respectively, the front lifting movable door and the rear lifting movable door are driven by chain wheels respectively, and the front lifting movable door and the rear lifting movable door move up and down along respective guide rails.
3. The waste heat recovery device for the feeding bin of the tower melting furnace as claimed in claim 1, wherein: the top end of the heat collection cover is provided with an exhaust port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921281346.8U CN210833094U (en) | 2019-08-04 | 2019-08-04 | Waste heat recovery device for feeding bin of tower-type melting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921281346.8U CN210833094U (en) | 2019-08-04 | 2019-08-04 | Waste heat recovery device for feeding bin of tower-type melting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210833094U true CN210833094U (en) | 2020-06-23 |
Family
ID=71280047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921281346.8U Active CN210833094U (en) | 2019-08-04 | 2019-08-04 | Waste heat recovery device for feeding bin of tower-type melting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210833094U (en) |
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2019
- 2019-08-04 CN CN201921281346.8U patent/CN210833094U/en active Active
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