CN210321307U - High-purity magnesia waste heat recovery device - Google Patents
High-purity magnesia waste heat recovery device Download PDFInfo
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- CN210321307U CN210321307U CN201921203482.5U CN201921203482U CN210321307U CN 210321307 U CN210321307 U CN 210321307U CN 201921203482 U CN201921203482 U CN 201921203482U CN 210321307 U CN210321307 U CN 210321307U
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Abstract
The utility model discloses a high-purity magnesia waste heat recovery device relates to high temperature solid material cooling and waste heat recovery technical field, including the heat exchanger, the heat exchanger includes the heat transfer layer that a plurality of shaft diameters are different, the top of heat transfer layer is equipped with the steam extraction mouth, the steam extraction mouth is connected with the steam extraction pipe, the bottom of heat transfer layer is equipped with the water inlet, the water inlet is connected with the delivery pipe, a plurality of heat transfer layers cup joint in proper order, be equipped with annular heat transfer chamber between the two adjacent heat transfer layers, the top of heat exchanger is equipped with the stock guide, the stock guide is summit circular cone structure up, stock guide and the coaxial setting of heat transfer layer are equipped with the refining mouth with the vertical correspondence in annular heat transfer chamber on the stock guide. The utility model provides an among the prior art to the high-purity magnesite of finished product not carry out high-efficient cooling and the technical problem that the waste heat is effectively utilized, the utility model discloses can the efficient carry out the heat exchange to the high-purity magnesite material, realize the quick cooling of high-purity magnesite material and the recycle of waste heat.
Description
Technical Field
The utility model relates to a high temperature solid material cooling and waste heat recovery technical field, in particular to high-purity magnesia waste heat recovery device.
Background
The buffer bin is adopted at the stage of the existing high-purity magnesite production process, the hot high-purity magnesite of the finished product is directly discharged into the buffer bin, the buffer bin only plays a role in storage, the cooling effect on materials is small, and sensible heat is not effectively utilized. And the surface temperature of the outside of the buffer bin is very high, so that scalding danger is easy to occur, the temperature in the operating room is very high, and the working environment of workers is severe.
Disclosure of Invention
To above defect, the utility model aims at providing a high-purity magnesite waste heat recovery device aims at solving among the prior art and does not carry out high-efficient cooling and the not effectively utilized technical problem of waste heat to the high-purity magnesite of finished product.
In order to solve the technical problem, the technical scheme of the utility model is that:
the utility model provides a high-purity magnesite waste heat recovery device, including the heat exchanger, the heat exchanger includes the different heat transfer layer of a plurality of shaft diameters, the top of heat transfer layer is equipped with the steam extraction mouth, the steam extraction mouth is connected with the exhaust pipe, the bottom of heat transfer layer is equipped with the water inlet, the water inlet is connected with the delivery pipe, a plurality of heat transfer layers cup joint in proper order, be equipped with annular heat transfer chamber between the two adjacent heat transfer layers, the top of heat exchanger is equipped with the stock guide, the stock guide is summit circular cone structure up, the stock guide sets up with the heat transfer layer is coaxial, be equipped with the refining mouth with the vertical correspondence of annular heat transfer.
Wherein, the heat transfer layer is equipped with threely, three heat transfer layer from interior to exterior is first heat transfer layer in proper order, second heat transfer layer and third heat transfer layer, the stock guide is from last to including the first toper layer that the interval set up down in proper order, second toper layer and third toper layer, first toper layer, second toper layer and third toper layer pass through connecting plate fixed connection, second toper layer passes through support column fixed connection in first heat transfer layer, third toper layer passes through support column fixed connection in second heat transfer layer, third heat transfer layer top is equipped with the ring baffle.
The minimum shaft diameter of the second conical layer is larger than the maximum shaft diameter of the first conical layer, and the minimum shaft diameter of the third conical layer is larger than the maximum shaft diameter of the second conical layer.
Wherein the connecting plate is positioned at the inner side of the first conical layer or the second conical layer or the third conical layer.
Wherein, the support column is equipped with four at least.
The heat exchange layer comprises an upper header and a lower header, a heat exchange tube is arranged between the upper header and the lower header, the upper header and the lower header are both annular box bodies, the heat exchange tubes are multiple, and two ends of each heat exchange tube are respectively communicated with the upper header and the lower header.
And a membrane wall is arranged between every two adjacent heat exchange tubes of the third heat exchange layer.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
because the utility model discloses high-purity magnesite waste heat recovery device includes the heat exchanger, the heat exchanger includes the different heat transfer layer of a plurality of shaft diameters, the heat transfer layer is equipped with steam vent and water inlet, a plurality of heat transfer layers cup joint in proper order, be equipped with annular heat transfer chamber between the two adjacent heat transfer layers, the top of heat exchanger is equipped with the stock guide, the stock guide is summit circular cone structure up, the stock guide sets up with the heat transfer layer is coaxial, be equipped with the refining mouth with the vertical correspondence in annular heat transfer chamber on the stock guide, high-purity magnesite distributes each refining mouth via the direction of stock guide, dredge the annular heat transfer chamber that corresponds by the refining mouth again and carry out the heat exchange, the efficiency of heat transfer has been promoted, the quick cooling of high-purity magnesite has been realized, the waste heat of high-purity magnesite is transferred to the circulation system of heat.
Because the minimum shaft diameter of the second conical layer is larger than the maximum shaft diameter of the first conical layer, and the minimum shaft diameter of the third conical layer is larger than the maximum shaft diameter of the second conical layer, when the high-purity magnesite material rolls off from the first conical layer, most of the high-purity magnesite material cannot directly pass through the first material opening due to the movement tendency and roll off onto the second conical layer; similarly, when the high-purity magnesite material rolls down from the second conical layer, the high-purity magnesite material can not directly pass through the second material port because of the movement tendency, and rolls down on the third conical layer, so that the accumulation of the high-purity magnesite material is avoided, and the blockage is caused, so that the high-purity magnesite material can enter the first material port or the second material port in the process of rolling down along the guide plate, and the distribution of the high-purity magnesite material is more uniform.
Because the diaphragm type wall is arranged between two adjacent heat exchange tubes of the third heat exchange layer, the diaphragm type wall forms a seal to the outer side of the heat exchanger, and the heat dissipation performance of the diaphragm type wall can avoid scalding operating personnel caused by overheating of the outer wall of the heat exchanger.
To sum up, the utility model provides an among the prior art to the high-purity magnesite of finished product not carry out the technical problem that high-efficient cooling and waste heat do not effectively utilize, the utility model discloses can the efficient carry out the heat exchange to the high-purity magnesite material, realize the quick cooling of high-purity magnesite material and the recycle of waste heat.
Drawings
FIG. 1 is a schematic structural diagram of the high-purity magnesia waste heat recovery device of the present invention;
fig. 2 is a schematic top view of fig. 1.
In the figure, 1-heat exchanger, 10-first heat exchange layer, 11-second heat exchange layer, 12-third heat exchange layer, 120-upper header, 121-lower header, 122-heat exchange tube, 13-steam exhaust tube, 14-water supply tube, 15-first heat exchange cavity, 16-second heat exchange cavity, 17-third heat exchange cavity, 2-material guide plate, 20-first conical layer, 21-second conical layer, 22-third conical layer, 23-first material port, 24-second material port, 25-connecting plate and 26-support column.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The position that involves in this specification all uses the position of the utility model discloses a high-purity magnesite waste heat recovery device during normal work is the standard, does not restrict the position when its storage and transportation, only represents relative position relation, does not represent absolute position relation.
As shown in fig. 1 and 2, the main body of the high-purity magnesite waste heat recovery device comprises a heat exchanger 1 and a material guide plate 2, the heat exchanger 1 is of a vertically arranged sleeve type structure, the top of the heat exchanger 1 is a material inlet, the bottom of the heat exchanger 1 is a material outlet, the heat exchanger 1 comprises a plurality of heat exchange layers with different shaft diameters, the heat exchange layers are cylindrical, the heat exchange layers are sequentially sleeved from inside to outside along with the increase of the shaft diameter, and a gap between every two adjacent heat exchange layers is an annular heat exchange cavity.
As shown in fig. 1 and 2, the heat exchange layer includes an upper header 120 and a lower header 121, a plurality of heat exchange tubes 122 are disposed between the upper header 120 and the lower header 121, the upper header 120 and the lower header 121 are both annular box bodies, two ends of each heat exchange tube 122 are respectively communicated with the upper header 120 and the lower header 121, each heat exchange layer is provided with an independent steam outlet and an independent water inlet, the steam outlet is disposed on the upper header 120, the water inlet is disposed on the lower header 121, the steam outlet is connected with a steam exhaust pipe 13, the water inlet is connected with a water supply pipe 14, cold water enters the lower header 121 through the water supply pipe 14, and the lower header 121 simultaneously supplies cold water to the respective heat exchange pipes 122, and when the high-temperature solid material passes through the heat exchange layers, heat exchange occurs with the cold water in the heat exchange pipe 122, so that the cold water is vaporized into steam and collected in the upper header 120, and then is transported to a steam demand place (such as a steam generator) through the steam exhaust pipe 13.
As shown in fig. 1 and 2, the material guide plate 2 is located above the heat exchanger 1, the main body of the material guide plate 2 is a conical structure, the conical mechanism is hollow, an opening is arranged at the bottom, the conical mechanism is erected right above the heat exchanger 1, the top end of the conical structure is arranged upwards, the conical structure and the heat exchange layer are coaxial, the conical structure is provided with a plurality of material homogenizing ports, the material homogenizing ports correspond to the annular heat exchange cavity up and down, the produced high-purity magnesite material falls to the guide plate 2, a part of the high-purity magnesite material directly enters the annular heat exchange cavity corresponding to the high-purity magnesite material through each material homogenizing port, a part of the high-purity magnesite material rolls along the inclined outer wall of the conical structure and enters each material homogenizing port in the rolling process, then the high-purity magnesite material enters the corresponding annular heat exchange cavity, and the high-purity magnesite material is gradually cooled in the process of passing through the annular heat exchange cavity.
As shown in fig. 1 and fig. 2, in this embodiment, preferably, the number of the heat exchange layers is three, the three heat exchange layers are a first heat exchange layer 10, a second heat exchange layer 11 and a third heat exchange layer 12 from inside to outside in sequence, the middle cavity of the first heat exchange layer 10 is a first heat exchange cavity 15, the gap between the first heat exchange layer 10 and the second heat exchange layer 11 is a second heat exchange cavity 16, the gap between the second heat exchange layer 11 and the third heat exchange layer 12 is a third heat exchange cavity 17, the second heat exchange layer 11 and the conical structure sequentially include a first conical layer 20, a second conical layer 21 and a third conical layer 22 from top to bottom, the gap between the first conical layer 20 and the second conical layer 21 is a first material port 23, the gap between the second conical layer 21 and the third conical layer 22 is a second material port 24, the first heat exchange cavity 15 corresponds to the first material port 23, and the second heat exchange cavity 16 corresponds to the second material port 24, during the specific use, during the falling process of the material, part of the high-purity magnesite material enters the first heat exchange cavity 15 through the first material port 23, part of the high-purity magnesite material enters the second heat exchange cavity 16 through the second material port 24, and the rest of the high-purity magnesite material enters the third heat exchange cavity 17 through the bottom of the third conical layer 22.
As shown in fig. 1 and fig. 2, the first tapered layer 20 and the second tapered layer 21, and the second tapered layer 21 and the third tapered layer 22 are fixedly connected by a connecting plate 25, respectively, and the connecting plate 25 is located inside the first tapered layer 20, the second tapered layer 21, or the third tapered layer 22. The second conical layer 21 is fixedly connected to the upper header 120 of the first heat exchange layer 10 through at least four support columns 26, the third conical layer 22 is fixedly connected to the upper header 120 of the second heat exchange layer 11 through at least four support columns 26, and an annular baffle is welded to the top of the upper header 120 of the third heat exchange layer 12, so that high-purity magnesite materials are prevented from scattering outside the heat exchanger 1.
As shown in fig. 1 and fig. 2, the minimum axial diameter of the second tapered layer 21 is greater than the maximum axial diameter of the first tapered layer 20, and the minimum axial diameter of the third tapered layer 22 is greater than the maximum axial diameter of the second tapered layer 21, i.e. the whole heat conducting plate is of a three-step structure, when the high-purity magnesite material rolls off from the first tapered layer 20, most of the high-purity magnesite material does not directly pass through the first material opening 23 due to the movement tendency and roll off onto the second tapered layer 21; similarly, when the high-purity magnesite material rolls off from the second conical layer 21, most of the high-purity magnesite material can not directly pass through the second material opening 24 due to the movement tendency, and the high-purity magnesite material rolls off the third conical layer 22, so that the high-purity magnesite material is prevented from being accumulated and blocked, the high-purity magnesite material can enter the first material opening 23 or the second material opening 24 along the process of rolling off of the guide plate, and the high-purity magnesite material is distributed more uniformly.
Preferably, a membrane wall is arranged between two adjacent heat exchange tubes 122 of the third heat exchange layer 12, the membrane wall forms a seal for the outer side of the heat exchanger 1, and the heat radiation performance of the membrane wall can avoid scalding operators due to overheating of the outer wall of the heat exchanger 1.
The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative labor from the above conception, and all the changes fall within the protection scope of the present invention.
Claims (7)
1. The high-purity magnesite waste heat recovery device is characterized by comprising a heat exchanger, wherein the heat exchanger comprises a plurality of heat exchange layers with different shaft diameters, a steam exhaust port is formed in the top of each heat exchange layer and connected with a steam exhaust pipe, a water inlet is formed in the bottom of each heat exchange layer and connected with a water supply pipe, the heat exchange layers are sequentially sleeved, an annular heat exchange cavity is formed between every two adjacent heat exchange layers, a guide plate is arranged at the top of the heat exchanger and is of a conical structure with the vertex upward, the guide plate and the heat exchange layers are coaxially arranged, and a material homogenizing port vertically corresponding to the annular heat exchange cavity is formed in the guide plate.
2. The high-purity magnesite waste heat recovery device according to claim 1, wherein the number of the heat exchange layers is three, the three heat exchange layers are a first heat exchange layer, a second heat exchange layer and a third heat exchange layer from inside to outside, the material guide plate sequentially comprises a first conical layer, a second conical layer and a third conical layer from top to bottom, the first conical layer, the second conical layer and the third conical layer are arranged at intervals, the first conical layer, the second conical layer and the third conical layer are fixedly connected through a connecting plate, the second conical layer is fixedly connected to the first heat exchange layer through supporting columns, the third conical layer is fixedly connected to the second heat exchange layer through supporting columns, and an annular baffle is arranged at the top of the third heat exchange layer.
3. The high purity magnesite waste heat recovery device as claimed in claim 2 wherein the minimum axial diameter of the second conical layer is larger than the maximum axial diameter of the first conical layer and the minimum axial diameter of the third conical layer is larger than the maximum axial diameter of the second conical layer.
4. The high purity magnesite waste heat recovery device as claimed in claim 2 wherein the connecting plate is located inside the first conical layer or the second conical layer or the third conical layer.
5. The high-purity magnesite waste heat recovery device as claimed in claim 2 wherein there are at least four support columns.
6. The high purity magnesite waste heat recovery device as claimed in any one of claims 2 to 5, wherein the heat exchange layer comprises an upper header and a lower header, a plurality of heat exchange tubes are arranged between the upper header and the lower header, the upper header and the lower header are both annular boxes, and two ends of the heat exchange tubes are respectively communicated with the upper header and the lower header.
7. The high-purity magnesite waste heat recovery device as claimed in claim 6, wherein a membrane wall is arranged between two adjacent heat exchange tubes of the third heat exchange layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921203482.5U CN210321307U (en) | 2019-07-29 | 2019-07-29 | High-purity magnesia waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921203482.5U CN210321307U (en) | 2019-07-29 | 2019-07-29 | High-purity magnesia waste heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210321307U true CN210321307U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921203482.5U Active CN210321307U (en) | 2019-07-29 | 2019-07-29 | High-purity magnesia waste heat recovery device |
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| Country | Link |
|---|---|
| CN (1) | CN210321307U (en) |
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2019
- 2019-07-29 CN CN201921203482.5U patent/CN210321307U/en active Active
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