CN211782891U - Cement cooling waste heat recovery device - Google Patents
Cement cooling waste heat recovery device Download PDFInfo
- Publication number
- CN211782891U CN211782891U CN202020230257.7U CN202020230257U CN211782891U CN 211782891 U CN211782891 U CN 211782891U CN 202020230257 U CN202020230257 U CN 202020230257U CN 211782891 U CN211782891 U CN 211782891U
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- Prior art keywords
- cement
- shell
- outlet
- heat exchange
- inlet
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Abstract
The utility model discloses a cement cooling waste heat recovery device, which comprises a shell, a cement inlet, a cement outlet, a public work inlet, a public work outlet, a skirt, a heat exchange tube and a crushing device; by adopting the vertical state of the device, the cement powder can automatically fall down by gravity after entering the device, and the retention time of the cement powder in the equipment can be prolonged by adopting the spiral pipe, so that the heat exchange effect is improved; a crushing device is added at the outlet, so that the cement powder can be prevented from being accumulated and pressed into blocks; the utility project increases the temperature of the cement during the cooling process to form steam which can be used for heat exchange of other materials or driving of equipment, thereby not only realizing the cooling of the cement, but also by-producing saturated steam, realizing the recovery and utilization of waste heat and improving the energy utilization rate.
Description
Technical Field
The utility model relates to a cement manufacture equipment field specifically is a cement cooling waste heat recovery device.
Background
The production of cement needs to go through a plurality of processes such as mining, raw material crushing, clay drying, raw material grinding, clinker calcining, clinker cooling, cement grinding and finished product packaging, in the cement grinding section, because of factors such as yield, local climate, air temperature and the like, the grinding temperature is usually above 150 ℃, if the cement is directly sent to a cement warehouse for ventilation cooling, the cooling is slow, and certain energy waste is caused.
SUMMERY OF THE UTILITY MODEL
In view of the problems in the prior art, the utility model discloses a cement cooling waste heat recovery device, which adopts the technical proposal that the device comprises a shell, a cement inlet, a cement outlet, a public engineering inlet, a public engineering outlet, a skirt and a heat exchange tube, wherein the shell is a vertical cylindrical barrel, the upper part and the lower part of the shell are both provided with standard elliptical seal heads, the shell is arranged on the skirt, the cement inlet is arranged at the top end of the upper seal head of the shell, the cement outlet is led out from the top end of the lower seal head of the shell through an extension pipe from the side surface of the skirt, the public work inlet is arranged below the side surface of the shell barrel, the public work outlet is arranged above the side surface of the barrel, the heat exchange pipe is arranged in the shell, one end of the heat, the heat exchange tube extends from the cement inlet to the inside of the shell, spirals downwards, a certain gap is kept between each layer of spiral, and the heat exchange tube spirals to the lower part of the shell and then is connected with the cement outlet; and a crushing device is arranged at a 90-degree elbow which is vertically and horizontally rotated by an extension pipe connected with a cement outlet.
As an optimal technical scheme of the utility model, reducing mechanism includes the crushing motor of seat on the base station, and crushing motor is connected with crushing impeller through the rotation axis.
The utility model has the advantages that: the utility model adopts the vertical state, so that the cement grinding enters the device and then automatically descends by gravity, and the spiral pipe can increase the retention time of the cement grinding in the equipment and improve the heat exchange effect; a crushing device is added at the outlet, so that the cement powder can be prevented from being accumulated and pressed into blocks; the utility project increases the temperature of the cement during the cooling process to form steam which can be used for heat exchange of other materials or driving of equipment, thereby not only realizing the cooling of the cement, but also by-producing saturated steam, realizing the recovery and utilization of waste heat and improving the energy utilization rate.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the heat exchange tube structure of the present invention;
FIG. 3 is a schematic view of the structure of the crushing device of the present invention;
in the figure: 1-shell, 2-cement inlet, 3-cement outlet, 4-public work inlet, 5-public work outlet, 6-skirt, 7-heat exchange tube, 8-crushing device, 801-crushing motor and 802-crushing impeller.
Detailed Description
Example 1
As shown in figures 1 to 3, the utility model discloses a cement cooling waste heat recovery device, which adopts the technical scheme that the device comprises a shell 1, a cement inlet 2, a cement outlet 3, a public engineering inlet 4, a public engineering outlet 5, a skirt seat 6 and a heat exchange tube 7, wherein the shell 1 is a vertical cylindrical barrel, the upper part and the lower part of the shell are both provided with standard elliptical seal heads, the shell 1 is arranged on the skirt seat 6, the cement inlet 2 is arranged at the top end of the upper seal head of the shell 1, the cement outlet 3 is led out from the top end of the lower seal head of the shell 1 through an extension tube from the side surface of the skirt seat 6, the public engineering inlet 4 is arranged below the side surface of the barrel of the shell 1, the public engineering outlet 5 is arranged above the side surface of the barrel, the heat exchange tube 7 is arranged inside the shell 1, one end of the heat exchange tube is connected with the cement, a certain gap is kept between each layer of spiral, and the spiral is connected with a cement outlet 3 after being coiled to the lower part of the shell 1; a crushing device 8 is arranged at the position of a 90-degree elbow which is vertically and horizontally turned by an extension pipe connected with the cement outlet 3.
As a preferred technical solution of the present invention, the crushing device 8 includes a crushing motor 801 seated on the base, and the crushing motor 801 is connected to a crushing impeller 802 through a rotating shaft.
The utility model discloses a theory of operation: when the device is used, two devices are connected in series and fixedly installed by the skirt bases 6, a powder conveying pump is additionally arranged in front of each device for conveying materials, and a powder conveying pump is additionally arranged at a cement outlet of the second device for discharging materials; the public engineering pipeline connection adopts room temperature cold water to be connected with a public engineering inlet of a second device, a public engineering outlet of the second device is connected with a public engineering inlet of a first device, and a public engineering outlet of the first device is connected with a public engineering saturated steam pipeline.
High-temperature cement powder is conveyed to a cement inlet 2 by a powder conveying pump, descends spirally along a heat exchange tube 7 in a shell 1, exchanges heat with high-temperature water entering from a public engineering inlet 4, the high-temperature water becomes saturated steam and is discharged from a public engineering outlet 5, the cooled cement reaches the bottom of the heat exchange tube 7, is scattered by a crushing device 8 consisting of a crushing impeller 802 driven by a crushing motor 801, is sucked out by a powder conveying pump at a cement outlet 3 and is conveyed to a next cement cooling waste heat recovery device, and in a second device, the cement is further cooled by heat exchange with cold water, is crushed, scattered and is conveyed to a cement warehouse by a powder conveying pump.
The utility model relates to a circuit connection is the conventional means that technical staff adopted in this field, and accessible limited number of tests obtains the technological inspiration, belongs to the widely used prior art.
Components not described in detail herein are prior art.
Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art, and modifications or variations without creative efforts are still within the scope of the present invention.
Claims (2)
1. A cement cooling waste heat recovery device comprises a shell (1), a cement inlet (2), a cement outlet (3), a public engineering inlet (4), a public engineering outlet (5), a skirt (6) and a heat exchange tube (7), wherein shell (1) is vertical cylindrical barrel, all install the oval head of standard from top to bottom, install on skirt (6) shell (1), cement import (2) are on shell (1) upper cover top, cement export (3) are drawn forth from skirt (6) side through the extension pipe from shell (1) low head top, utility entry (4) are located shell (1) barrel side below, utility export (5) are located barrel side top, heat exchange tube (7) are located shell (1) inside, cement import (2) are connected to one end, cement export (3) are connected to the other end, its characterized in that: the heat exchange tube (7) extends from the cement inlet (2) to the inside of the shell (1), then spirals downwards, a certain gap is kept between every two layers of spirals, and the heat exchange tube spirals to the lower part of the shell (1) and then is connected with the cement outlet (3); and a crushing device (8) is arranged at a 90-degree elbow which is vertically and horizontally rotated by an extension pipe connected with the cement outlet (3).
2. The cement cooling waste heat recovery device according to claim 1, characterized in that: the crushing device (8) comprises a crushing motor (801) which is seated on the base platform, and the crushing motor (801) is connected with a crushing impeller (802) through a rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020230257.7U CN211782891U (en) | 2020-02-29 | 2020-02-29 | Cement cooling waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020230257.7U CN211782891U (en) | 2020-02-29 | 2020-02-29 | Cement cooling waste heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211782891U true CN211782891U (en) | 2020-10-27 |
Family
ID=72909841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020230257.7U Expired - Fee Related CN211782891U (en) | 2020-02-29 | 2020-02-29 | Cement cooling waste heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211782891U (en) |
-
2020
- 2020-02-29 CN CN202020230257.7U patent/CN211782891U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 Termination date: 20210228 |