CN113739606A - High-temperature solid particle sensible heat recovery evaporative cooling device - Google Patents
High-temperature solid particle sensible heat recovery evaporative cooling device Download PDFInfo
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- CN113739606A CN113739606A CN202111295217.6A CN202111295217A CN113739606A CN 113739606 A CN113739606 A CN 113739606A CN 202111295217 A CN202111295217 A CN 202111295217A CN 113739606 A CN113739606 A CN 113739606A
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- roller
- temperature solid
- heat recovery
- cooling
- sensible heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D11/00—Heat-exchange apparatus employing moving conduits
- F28D11/02—Heat-exchange apparatus employing moving conduits the movement being rotary, e.g. performed by a drum or roller
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention relates to the technical field of high-temperature solid material sensible heat recovery equipment, in particular to a high-temperature solid particle sensible heat recovery evaporative cooling device which comprises a first roller and a second roller; one end of the second roller is a feeding end, and the other end of the second roller is a discharging end communicated with the inside of the first roller; one end of the first roller, which is far away from the discharge end, is a discharge hole; the inner walls of the second roller and the first roller are provided with material lifting fins, so that when the first roller and the second roller rotate, the material lifting fins throw the materials to move; a first cooling pipe is arranged inside the wall of the first roller; and a second cooling pipe is arranged in the cylinder wall of the second roller. The high-temperature solid enters the interior of the second roller from the feeding end of the second roller. And cooling water is introduced into the second cooling pipe inside the cylinder wall of the second roller. The solid drops to the inside of first cylinder through the discharge end. The cooling water in the first cooling pipe exchanges heat with the solid in the first roller, and then cools the solid again.
Description
Technical Field
The invention relates to the technical field of high-temperature solid material sensible heat recovery equipment, in particular to a high-temperature solid particle sensible heat recovery evaporation cooling device.
Background
In industrial production, some waste solids still have higher temperature, such as solid waste like slag. In the prior art, a slag cooler is generally adopted for recovering waste heat of high-temperature solid waste. The slag cooler takes cooling water as a medium, the cooling water enters the water collection tank from the rotary joint at the tail part, then enters the front end of the equipment through the membrane water-cooled wall, converges in the collection tank, then returns to the tail end of the equipment through the independent membrane wall consisting of the unit frame and the central tube in the cylinder body, and flows out through the rotary joint after converging. The slag cooler in the prior art can not meet the requirement of energy cascade recycling.
Disclosure of Invention
The invention aims to provide a high-temperature solid particle sensible heat recovery evaporative cooling device which can meet the requirement of energy gradient recovery and utilization.
The embodiment of the invention is realized by the following technical scheme:
a sensible heat recovery evaporative cooling device for high-temperature solid particles comprises a first roller and a second roller; one end of the second roller is a feeding end, and the other end of the second roller is a discharging end communicated with the interior of the first roller; the end of the first roller, which is far away from the discharge end, is a discharge hole; the inner walls of the second roller and the first roller are provided with material lifting fins, so that when the first roller and the second roller rotate, the material lifting fins throw and push materials to move; a first cooling pipe is arranged inside the wall of the first roller; and a second cooling pipe is arranged in the cylinder wall of the second roller.
Further, a plurality of second cooling pipes are arranged; the plurality of second cooling pipes are arranged along the length direction of the second roller; and the plurality of second cooling pipes are distributed in a circular shape and spliced into the film type cylinder wall of the second roller.
Furthermore, a plurality of partition plates are arranged inside the second roller; the plurality of partition plates are connected with the cylinder wall of the second roller and the center of the second roller; the second roller is internally divided into a plurality of heat exchange cavities by the plurality of partition plates; and the plurality of heat exchange cavities are distributed along the circumferential direction of the second roller.
Furthermore, the plurality of partition plates are formed by splicing a plurality of second cooling pipes; the length directions of the plurality of second cooling pipes are the same as the length direction of the second roller; the inner walls of the heat exchange cavities are provided with the material lifting fins.
Furthermore, one end of the plurality of second cooling pipes of the partition plate, which are positioned at the discharge end, and one end of the plurality of second cooling pipes of the cylinder wall of the second roller, which are positioned at the discharge end, are both connected with a water collecting pipe; the two water collecting pipes are communicated.
Furthermore, a plurality of supporting plates are connected between the inner wall of the first roller and the outer wall of the second roller; the plurality of support plates divide the gap between the first roller and the second roller into a plurality of heat exchange chambers.
Further, the water outlet end of the first cooling pipe is communicated with the water inlet end of the second cooling pipe.
Further, the second roller is arranged inside the first roller; the discharge port and the feed end are located at the same end.
The technical scheme of the embodiment of the invention at least has the following advantages and beneficial effects:
when the sensible heat recovery evaporative cooling device for the high-temperature solid particles is used, high-temperature solids such as high-temperature slag enter the second roller from the feed end of the second roller. Meanwhile, the second roller rotates to enable the high-temperature solid in the second roller to gradually move towards the discharge end. In the process, cooling water is introduced into the second cooling pipe inside the wall of the second roller. The cooling water and the high-temperature solid are subjected to heat exchange through the cylinder wall of the second roller, so that the cooling water is heated, and the high-temperature solid is cooled.
When the solids inside the second drum move to the discharge end, the temperature of the solids is greatly reduced. Simultaneously, the solid drops to inside the first cylinder through the discharge end. The rotation of the first roller causes the solids to continue moving inside the first roller and to gradually exit the first roller from the discharge port. Similarly, the cooling water in the first cooling pipe exchanges heat with the solid in the first roller in the process, and then cools the solid again. When the solid falls from the discharge port, the temperature of the solid reaches the discharge requirement.
The sensible heat recovery evaporative cooling device for the high-temperature solid particles can effectively cool the high-temperature solid. Meanwhile, the temperature difference of the solid inside the first roller and the second roller is large, so that the temperature of the cooling water in the first cooling pipe and the temperature of the cooling water in the second cooling pipe are different, and the energy cascade recycling is further met.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a high-temperature solid particle sensible heat recovery evaporative cooling device provided by the invention;
FIG. 2 is an enlarged view taken at a point a in FIG. 1;
fig. 3 is a sectional view taken along line B-B.
Icon: 1-a first roller, 11-a discharge port, 12-a first cooling pipe, 13-a heat exchange chamber, 2-a second roller, 21-a feed end, 22-a discharge end, 23-a second cooling pipe, 24-a heat exchange cavity, 3-a material lifting fin, 4-a partition plate, 5-a water collecting pipe and 6-a support plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of this application is used, the description is merely for convenience and simplicity of description, and it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in fig. 1 to 3, the present invention provides a sensible heat recovery evaporative cooling apparatus for high-temperature solid particles, which comprises a first drum 1 and a second drum 2. One end of the second roller 2 is a feeding end 21, and the other end is a discharging end 22 communicated with the inside of the first roller 1. Specifically, the first roller 1 and the second roller 2 may be arranged along a straight line, and the discharge end 22 of the second roller 2 is accommodated inside the first roller 1. So that the material falls into the first roller 1 after falling through the discharge end 22. In this embodiment, the second drum 2 is disposed inside the first drum 1. This reduces the footprint. And meanwhile, the volume of the equipment is reduced. In addition, the structure also enables the heat emitted by the second roller 2 to be wrapped by the first roller 1, and waste of waste heat is reduced.
The end of the first roller 1 far away from the discharging end 22 is a discharging hole 11. The inner walls of the second roller 2 and the first roller 1 are provided with material lifting fins 3. The material conveying fin is obliquely arranged, and the plurality of material lifting fins 3 are distributed in a spiral shaft shape, so that when the material lifting fins 3 rotate along with the first roller 1 or the second roller 2, the material lifting fins 3 push the material to gradually move. A first cooling pipe 12 is arranged inside the wall of the first drum 1. A second cooling pipe 23 is arranged inside the cylinder wall of the second drum 2.
When the sensible heat recovery evaporative cooling device for high-temperature solid particles is used, high-temperature solids such as high-temperature slag enter the interior of the second drum 2 from the feed end 21 of the second drum 2. At the same time, the second drum 2 rotates so that the hot solids therein gradually move towards the discharge end 22. In this process, cooling water is introduced into the second cooling pipe 23 inside the cylindrical wall of the second drum 2. The cooling water and the high-temperature solid are subjected to heat exchange through the cylinder wall of the second drum 2, so that the cooling water is heated, and the high-temperature solid is cooled.
When the solids inside the second drum 2 move to the discharge end 22, the temperature of the solids is greatly reduced. At the same time, the solids drop through the discharge end 22 into the interior of the first drum 1. The rotation of the first drum 1 causes the solids to continue moving inside the first drum 1 and to gradually exit the first drum 1 through the discharge port 11. Similarly, in this process, the cooling water in the first cooling pipe 12 exchanges heat with the solid inside the first drum 1, and further cools the solid again. When the solids fall from the outlet 11, their temperature has reached the discharge requirement.
The sensible heat recovery evaporative cooling device for the high-temperature solid particles can effectively cool the high-temperature solid. Meanwhile, the temperature difference of the solids in the first roller 1 and the second roller 2 is large, so that the temperature of the cooling water in the first cooling pipe 12 and the temperature of the cooling water in the second cooling pipe 23 are different, and the energy cascade recycling is further met. The second cooling pipe 23 exchanges heat with the high-temperature material so that it can produce steam.
In addition, the material fin 3 slope sets up and also can accept the material that drops, avoids the material directly to drop to the damage that the inner wall of first cylinder 1 or second cylinder 2 caused.
In the present embodiment, the second cooling pipe 23 is provided in plural. A plurality of second cooling pipes 23 are provided along the length direction of the second drum 2. The plurality of second cooling pipes 23 are distributed in a circular shape and are spliced into the cylinder wall of the second roller 2. The arrangement leads the cooling water to be introduced into the wall of the second roller 2, thus leading the heat exchange area to be larger and improving the heat exchange efficiency. In addition, the structure also enables the cylinder wall of the second roller 2 to be firmer, and the service life of the second roller is prolonged.
In this embodiment, a plurality of partition plates 4 are disposed inside the second drum 2. The partition boards 4 are connected with the cylinder wall of the second roller 2 and the center of the second roller 2. The partitions 4 divide the interior of the second drum 2 into heat exchange chambers 24. A plurality of heat exchange cavities 24 are distributed along the circumference of the second drum 2. The inside of the second roller 2 is divided into a plurality of independent heat exchange cavities 24 by the plurality of partition plates 4, so that the heat exchange area is increased. When rotating, the materials in the heat exchange cavities 24 roll in the heat exchange cavities 24. Compared with a single roller, the structure enables the materials to be dispersed in the heat exchange cavities 24 and to roll, the heat exchange area is increased, and meanwhile, the probability of contact between the materials and the heat exchange surface is increased. The heat exchange efficiency is better guaranteed.
In this embodiment, the plurality of partition plates 4 are formed by splicing a plurality of second cooling pipes 23. The longitudinal direction of the plurality of second cooling pipes 23 is the same as the longitudinal direction of the second drum 2. The inner walls of the heat exchange cavities 24 are provided with the material lifting fins 3. This allows the second cooling tubes 23 to be distributed throughout the heat exchange cavity 24, thereby better ensuring the heat exchange efficiency.
In this embodiment, the water collecting pipe 5 is connected to one end of the second cooling pipes 23 of the partition plate 4 located at the discharge end 22 and one end of the second cooling pipes 23 of the cylinder wall of the second roller 2 located at the discharge end 22. The two water collecting pipes 5 are communicated. When the cooling device is used, cooling water enters through the second cooling pipe 23 on the wall of the second roller 2 and flows out through the second cooling pipe 23 on the partition plate 4, and then a circulating water path is formed. In practice, the flow direction of the inlet water and the outlet water can be changed according to the needs.
In this embodiment, a plurality of support plates 6 are connected between the inner wall of the first drum 1 and the outer wall of the second drum 2. The plurality of support plates 6 divides the gap between the first drum 1 and the second drum 2 into a plurality of heat exchange chambers 13. The heat exchange chambers 13 can also increase the heat exchange area and increase the probability of contact between the material and the heat exchange surface. The heat exchange efficiency is better guaranteed. At the same time, the support plate 6 also allows the second roller 2 to be stably attached to the first roller 1.
In this embodiment, the water outlet end of the first cooling tube 12 is communicated with the water inlet end of the second cooling tube 23. This causes the water in the first cooling pipe 12 to be heated to a higher temperature and thus preheated. The preheated cooling water enters the second cooling pipe 23 again to be heated continuously. The water can be heated into steam through bipolar heating. The heat is better utilized, and meanwhile, the output form of cooling water is increased, so that the use scenes are more diversified.
In this embodiment, the second drum 2 is disposed inside the first drum 1. The discharge port 11 and the feed port 21 are located at the same end. This reduces the volume of the apparatus.
In practice, the cooling water is connected to the second drum 2 and the first drum 1 by means of a rotary joint.
The second roller 2 and the first roller 1 may be separately provided for use. This is similar to existing slag cooler mechanisms. Namely, the high-temperature solid particle evaporative cooling device only has the second roller 2 and is not provided with the first roller 1; or the high-temperature solid particle evaporation cooling device only has the first roller 1 and is not provided with the second roller 2. The two modes can also cool the high-temperature materials and preheat the high-temperature materials for utilization.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a high temperature solid particle sensible heat recovery evaporative cooling device which characterized in that: comprises a first roller (1) and a second roller (2); one end of the second roller (2) is a feeding end (21), and the other end of the second roller is a discharging end (22) communicated with the inside of the first roller (1); one end of the first roller (1) far away from the discharge end (22) is a discharge hole (11); the inner walls of the second roller (2) and the first roller (1) are provided with material lifting fins (3), so that when the first roller (1) and the second roller (2) rotate, the material lifting fins (3) are thrown to push materials to move; a first cooling pipe (12) is arranged inside the wall of the first roller (1); and a second cooling pipe (23) is arranged in the wall of the second roller (2).
2. The high temperature solid particle sensible heat recovery evaporative cooling apparatus of claim 1, wherein: a plurality of second cooling pipes (23) are arranged; a plurality of second cooling pipes (23) are arranged along the length direction of the second roller (2); the second cooling pipes (23) are distributed in a circular shape and are spliced into a membrane type cylinder wall of the second roller (2).
3. The high temperature solid particle sensible heat recovery evaporative cooling apparatus of claim 2, wherein: a plurality of partition plates (4) are arranged inside the second roller (2); the plurality of partition plates (4) are connected with the cylinder wall of the second roller (2) and the center of the second roller (2); the second roller (2) is internally divided into a plurality of heat exchange cavities (24) by the plurality of partition plates (4); the plurality of heat exchange cavities (24) are distributed along the circumferential direction of the second roller (2).
4. The high temperature solid particle sensible heat recovery evaporative cooling apparatus of claim 3, wherein: the plurality of partition plates (4) are formed by splicing a plurality of second cooling pipes (23); the length directions of the plurality of second cooling pipes (23) are the same as the length direction of the second roller (2); the inner walls of the heat exchange cavities (24) are provided with the material lifting fins (3).
5. The high temperature solid particle sensible heat recovery evaporative cooling apparatus of claim 4, wherein: one end of the plurality of second cooling pipes (23) of the partition plate (4) positioned at the discharge end (22) and one end of the plurality of second cooling pipes (23) of the cylinder wall of the second roller (2) positioned at the discharge end (22) are both connected with a water collecting pipe (5); the two water collecting pipes (5) are communicated.
6. The high temperature solid particle sensible heat recovery evaporative cooling apparatus of claim 1, wherein: a plurality of supporting plates (6) are connected between the inner wall of the first roller (1) and the outer wall of the second roller (2); the gap between the first roller (1) and the second roller (2) is divided into a plurality of heat exchange chambers (13) by a plurality of supporting plates (6).
7. The high temperature solid particle sensible heat recovery evaporative cooling apparatus of claim 6, wherein: the water outlet end of the first cooling pipe (12) is communicated with the water inlet end of the second cooling pipe (23).
8. The high temperature solid particle sensible heat recovery evaporative cooling apparatus of claim 1, wherein: the second roller (2) is arranged inside the first roller (1); the discharge port (11) and the feeding end (21) are located at the same end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111295217.6A CN113739606A (en) | 2021-11-03 | 2021-11-03 | High-temperature solid particle sensible heat recovery evaporative cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111295217.6A CN113739606A (en) | 2021-11-03 | 2021-11-03 | High-temperature solid particle sensible heat recovery evaporative cooling device |
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| CN113739606A true CN113739606A (en) | 2021-12-03 |
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| CN202111295217.6A Pending CN113739606A (en) | 2021-11-03 | 2021-11-03 | High-temperature solid particle sensible heat recovery evaporative cooling device |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2535676Y (en) * | 2002-04-08 | 2003-02-12 | 无锡市华通环保设备有限公司 | Pipe-sleeve type roller slag-cooling machine |
| CN1944685A (en) * | 2006-11-14 | 2007-04-11 | 青岛德施普电力设备有限公司 | Overlapped chamber type slage cooling machine |
| CN200975681Y (en) * | 2006-11-23 | 2007-11-14 | 张世洪 | Tumbling cylinder cold slag machine |
| CN201028549Y (en) * | 2007-01-18 | 2008-02-27 | 张世洪 | Reciprocating multi-stroke slag cooling machine |
| CN201293581Y (en) * | 2008-08-12 | 2009-08-19 | 韩永胜 | Tube bundle type highly effective cold slag |
| CN201344545Y (en) * | 2009-02-23 | 2009-11-11 | 四川龙麟锅炉设备有限责任公司 | Membrane type dual-cylinder multi-bin cold slag machine |
| CN201582833U (en) * | 2009-12-25 | 2010-09-15 | 成都施柏科技有限公司 | Ash residue cooler with composite membrane-type wall structure |
| DE102009030730A1 (en) * | 2009-06-26 | 2010-12-30 | Linde Ag | Rotary drum heat exchanger, particularly coke cooler, comprises rotating drum exchanging in liquid bath and contains granular material |
| CN203810425U (en) * | 2014-03-23 | 2014-09-03 | 德阳劲达节能科技有限责任公司 | Multi-pipe roller slag cooler for internal fin heat exchange pipes |
| CN204460196U (en) * | 2014-12-18 | 2015-07-08 | 江苏皓宇合金机械有限公司 | A kind of Multilayer sleeve barrel slag cooler |
| CN204881288U (en) * | 2015-05-30 | 2015-12-16 | 四川省凯明机械制造有限公司 | Cold sediment machine of high -efficient refrigerated |
| CN206709062U (en) * | 2017-03-31 | 2017-12-05 | 成都巨能环保设备有限公司 | A kind of membrane type wall slag cooler |
| CN212870797U (en) * | 2020-09-02 | 2021-04-02 | 南京云高新型材料有限公司 | High-efficient hot slag cooling device and subassembly thereof |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2535676Y (en) * | 2002-04-08 | 2003-02-12 | 无锡市华通环保设备有限公司 | Pipe-sleeve type roller slag-cooling machine |
| CN1944685A (en) * | 2006-11-14 | 2007-04-11 | 青岛德施普电力设备有限公司 | Overlapped chamber type slage cooling machine |
| CN200975681Y (en) * | 2006-11-23 | 2007-11-14 | 张世洪 | Tumbling cylinder cold slag machine |
| CN201028549Y (en) * | 2007-01-18 | 2008-02-27 | 张世洪 | Reciprocating multi-stroke slag cooling machine |
| CN201293581Y (en) * | 2008-08-12 | 2009-08-19 | 韩永胜 | Tube bundle type highly effective cold slag |
| CN201344545Y (en) * | 2009-02-23 | 2009-11-11 | 四川龙麟锅炉设备有限责任公司 | Membrane type dual-cylinder multi-bin cold slag machine |
| DE102009030730A1 (en) * | 2009-06-26 | 2010-12-30 | Linde Ag | Rotary drum heat exchanger, particularly coke cooler, comprises rotating drum exchanging in liquid bath and contains granular material |
| CN201582833U (en) * | 2009-12-25 | 2010-09-15 | 成都施柏科技有限公司 | Ash residue cooler with composite membrane-type wall structure |
| CN203810425U (en) * | 2014-03-23 | 2014-09-03 | 德阳劲达节能科技有限责任公司 | Multi-pipe roller slag cooler for internal fin heat exchange pipes |
| CN204460196U (en) * | 2014-12-18 | 2015-07-08 | 江苏皓宇合金机械有限公司 | A kind of Multilayer sleeve barrel slag cooler |
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Application publication date: 20211203 |