CN219453981U - Water-cooling dry sediment machine heat abstractor - Google Patents
Water-cooling dry sediment machine heat abstractor Download PDFInfo
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- CN219453981U CN219453981U CN202320612302.9U CN202320612302U CN219453981U CN 219453981 U CN219453981 U CN 219453981U CN 202320612302 U CN202320612302 U CN 202320612302U CN 219453981 U CN219453981 U CN 219453981U
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Abstract
The utility model discloses a heat dissipating device of a water-cooling slag drier, which comprises a phase-change heat transfer device and a liquid heat transfer device, wherein a first cooling water pipe is arranged in an outer pipe, a first heat transfer medium is arranged between the outer pipe and the first cooling water pipe, the structure is positioned above coal slag, hot gas above the coal slag heats the first heat transfer medium in the outer pipe and evaporates into a gas state, the first heat transfer medium is condensed into a liquid state after meeting the first cooling water pipe, heat transfer is carried out with water of the first cooling water pipe, the temperature of the water in the first cooling water pipe rises to take away the heat, the process is continuous and reciprocating, the continuous heat transfer and exchange are generally carried out, the phase-change heat transfer device is a closed cavity, the first heat transfer medium in the inner part is not increased or reduced, evaporation and condensation heat transfer are carried out continuously, no medium is needed in the cavity, no pollution discharge is needed in the normal use process, and the operation is reliable.
Description
Technical Field
The utility model relates to the technical field of heat dissipation devices, in particular to a heat dissipation device of a water-cooling slag drier.
Background
The slag drier is the core equipment of a dry slag removing system, and is totally called a dry slag extractor, a dry conveyor and the like. The boiler bottom slag removing system is a comprehensive treatment system for collecting, cooling, conveying and storing bottom slag discharged from the boiler bottom. The dry slag removing system is a furnace bottom slag processing system which is used for cooling slag by introducing a proper amount of controlled ambient air by means of negative pressure of a boiler.
At present, a heat radiating device is arranged below the slag drier and used for cooling coal slag conveyed on the slag drier, but a heat radiating and cooling structure is lacking above the coal slag, and high-heat hot gas emitted above the coal slag also causes environmental pollution.
Disclosure of Invention
The utility model aims to provide a heat dissipation device of a water-cooling slag drier, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a heat dissipating double-fuselage of water-cooled dry slag machine, including phase change heat transfer unit and liquid heat transfer unit;
the phase change heat transfer device comprises a first heat transfer medium and an outer pipe, a first cooling water pipe is arranged in the outer pipe, blocking plates are arranged at two end parts of the outer pipe, and the first heat transfer medium is positioned between the outer pipe and the first cooling water pipe;
the liquid heat transfer device comprises a second heat transfer medium, an upper wear-resistant plate and a lower closed bottom plate, wherein side plates are arranged at the left end, the right end, the front end and the rear end of the upper wear-resistant plate and the lower closed bottom plate, the second heat transfer medium is positioned between the upper wear-resistant plate and the lower closed bottom plate, and a second cooling water pipe is arranged in the upper wear-resistant plate and the lower closed bottom plate;
the end parts of the first cooling water pipe and the second cooling water pipe are provided with a water circulation mechanism.
Preferably, the water circulation mechanism comprises a water tank and a pump body, the input end of the pump body is connected with a multi-way pipe, the end part of the multi-way pipe is connected with a first cooling water pipe and a second cooling water pipe, the end parts of the first cooling water pipe and the second cooling water pipe extend into the water tank, and the inner side wall of the water tank is provided with a cooling mechanism.
Preferably, the cooling mechanism comprises a water collecting ring and a fan, the outer side wall of the water collecting ring is arranged on the inner side wall of the water tank, the bottom of the water collecting ring is provided with a fixed ring, the inner side wall of the fixed ring is provided with an annular cavity, the inner side wall of the annular cavity is provided with a plurality of air outlets, the fan is arranged outside the water tank, the output end of the fan is connected with one end of an air pipe, and the other end of the air pipe is embedded in the annular cavity.
Preferably, the number of the cooling mechanisms is two.
Preferably, the inner side wall of the water collecting ring is provided with a pore plate.
Preferably, the output end of the pump body is connected with a vertical pipe.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the first cooling water pipe is arranged in the outer pipe, the first heat transfer medium is arranged between the outer pipe and the first cooling water pipe, the structure is arranged above coal cinder, hot gas above the coal cinder heats the first heat transfer medium in the outer pipe and evaporates into gas state, the gas state is condensed after meeting the first cooling water pipe, the gas state becomes liquid state after being condensed, the gas state is in heat transfer with water of the first cooling water pipe, the temperature of the water in the first cooling water pipe rises to take away heat, the process is continuously and reciprocally carried out, the heat is continuously transferred and exchanged, the phase change heat transfer device is a closed cavity generally, the first heat transfer medium in the cavity is not increased or reduced, only the evaporation and the condensation heat transfer is continuously carried out, no medium supplementing is needed in the cavity, no pollution discharge is needed in the normal use process, the operation is reliable, the cavity of the phase change heat transfer device adopts a negative pressure structure, even if the gas state is heated, and the gas state is smaller than the external atmospheric pressure, and therefore, the potential safety hazard does not exist.
Drawings
Fig. 1 is an overall schematic of the present utility model.
Fig. 2 is a schematic view of a water circulation mechanism according to the present utility model.
In the figure: 1. the phase change heat transfer device comprises a phase change heat transfer device body 11, a first heat transfer medium body 12, an outer pipe, a first cooling water pipe 14, a closure plate, a liquid heat transfer device body 2, a liquid heat transfer device body 21, a second heat transfer medium body 22, a second cooling water pipe 23, an upper wear-resistant plate 24, a lower closed bottom plate 25, a side plate 3, a water circulation mechanism 31, a water tank 32, a pump body 33, a multi-way pipe 34, a cooling mechanism 341, a water collecting ring 342, a fixing ring 343, an annular cavity 344, an air outlet 345, a fan 346, an air pipe 35, an orifice plate 36 and a vertical pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 and 2, the present utility model provides a technical solution: a heat dissipating double-fuselage of water-cooled dry slag machine, including phase change heat transfer unit 1 and liquid heat transfer unit 2;
the phase change heat transfer device 1 comprises a first heat transfer medium 11 and an outer tube 12, wherein a first cooling water tube 13 is arranged in the outer tube 12, blocking plates 14 are arranged at two end parts of the outer tube 12, and the first heat transfer medium 11 is positioned between the outer tube 12 and the first cooling water tube 13;
the closure plate 14 forms a closed chamber between the outer tube 12 and the first cooling water tube 13.
The first heat transfer medium 11 is a liquid medium, which may be ethylene glycol or methylene chloride in particular.
The liquid heat transfer device 2 comprises a second heat transfer medium 21, an upper wear-resistant plate 23 and a lower closed bottom plate 24, wherein side plates 25 are respectively arranged at the left end, the right end, the front end and the rear end of the upper wear-resistant plate 23 and the lower closed bottom plate 24, the second heat transfer medium 21 is positioned between the upper wear-resistant plate 23 and the lower closed bottom plate 24, and a second cooling water pipe 22 is arranged in the upper wear-resistant plate 23 and the lower closed bottom plate 24;
the second heat transfer medium 21 may be brass.
The end portions of the first cooling water pipe 13 and the second cooling water pipe 22 are provided with the water circulation mechanism 3.
Specifically, the water circulation mechanism 3 includes a water tank 31 and a pump body 32, the input end of the pump body 32 is connected with a multi-way pipe 33, the end of the multi-way pipe 33 is connected with the first cooling water pipe 13 and the second cooling water pipe 22, the end of the first cooling water pipe 13 and the end of the second cooling water pipe 22 extend into the water tank 31, and a cooling mechanism 34 is arranged on the inner side wall of the water tank 31.
Specifically, the cooling mechanism 34 includes a water collecting ring 341 and a fan 345, the outer side wall of the water collecting ring 341 is installed on the inner side wall of the water tank 31, the bottom of the water collecting ring 341 is installed with a fixed ring 342, the inner side wall of the fixed ring 342 is provided with an annular cavity 343, the inner side wall of the annular cavity 343 is provided with a plurality of air outlets 344, the fan 345 is installed outside the water tank 31, the output end of the fan 345 is connected with one end of an air pipe 346, and the other end of the air pipe 346 is embedded in the annular cavity 343.
The cold air blown out by the fan 345 through the air duct 346 can be blown out from the plurality of air outlets 344, so that the cooling water with temperature falling down from the water collecting ring 341 is air-cooled.
Specifically, the number of cooling mechanisms 34 is two.
Specifically, the inner side wall of the water collection ring 341 is mounted with an orifice plate 35.
Through setting up orifice plate 35, the cooling water that has the temperature that the output of pump body 32 flows can follow a plurality of holes on orifice plate 35 and drop, and then makes a rivers divide into the multistrand rivers, increases cold wind to the area of contact of cooling water, improves the cooling effect.
Specifically, a riser 36 is connected to the output of the pump body 32.
The standpipe 36 is located directly above the orifice plate 35.
Working principle: the upper wear-resisting plate 23 is a walking conveying chain on the slag drier, coal slag walks on the upper wear-resisting plate 23, hot gas above the coal slag heats the first heat transfer medium 11 in the outer tube 12 and evaporates into a gas state, the gas state is condensed after meeting the first cooling water pipe 13, the gas state is changed into a liquid state after being condensed, heat transfer is carried out with water of the first cooling water pipe 13, the water temperature in the first cooling water pipe 13 is increased, heat is taken away, the process is continuous reciprocating and continuous heat transfer exchange, generally the phase change heat transfer device 1 is a closed cavity, the first heat transfer medium 11 in the cavity is not increased or reduced, only the continuous evaporation and condensation heat transfer is carried out, no medium supplementing is needed in the cavity, the normal use process is not needed, the operation is reliable, the cavity of the phase change heat transfer device adopts a negative pressure structure, even the heating is smaller than the external atmospheric pressure, and therefore, the potential safety hazard does not exist;
the cinder moves on the upper wear-resisting plate 23, heat is transferred to the second heat transfer medium 21 in the cavity, the medium temperature rises, the heat is transferred to water in the second cooling water pipe 22, the water temperature of the second cooling water pipe 22 rises, the heat is taken away, and heat transfer is realized;
the cooling water with temperature in the first cooling water pipe 13 and the second cooling water pipe 22 flows out through the vertical pipe 36 and falls on the orifice plate 35, so that the cooling water falls from a plurality of holes on the orifice plate 35, one water flow is divided into a plurality of water flows, the contact area of cold air to the cooling water is increased, the cold air blown out by the fan 345 through the air pipes 346 can be blown out from a plurality of air outlets 344, and the cooling water with temperature falling from the water collecting ring 341 is cooled by air.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A heat dissipating device of a water-cooling slag drier is characterized in that: comprises a phase change heat transfer device (1) and a liquid heat transfer device (2);
the phase change heat transfer device (1) comprises a first heat transfer medium (11) and an outer tube (12), wherein a first cooling water tube (13) is arranged in the outer tube (12), blocking plates (14) are arranged at two ends of the outer tube (12), and the first heat transfer medium (11) is positioned between the outer tube (12) and the first cooling water tube (13);
the liquid heat transfer device (2) comprises a second heat transfer medium (21), an upper wear-resisting plate (23) and a lower closed bottom plate (24), wherein side plates (25) are arranged at the left, right, front and rear ends of the upper wear-resisting plate (23) and the lower closed bottom plate (24), the second heat transfer medium (21) is positioned between the upper wear-resisting plate (23) and the lower closed bottom plate (24), and a second cooling water pipe (22) is arranged in the upper wear-resisting plate (23) and the lower closed bottom plate (24);
the ends of the first cooling water pipe (13) and the second cooling water pipe (22) are provided with a water circulation mechanism (3).
2. The heat dissipating device of a water-cooled dry slag machine as set forth in claim 1, wherein: the water circulation mechanism (3) comprises a water tank (31) and a pump body (32), wherein the input end of the pump body (32) is connected with a multi-way pipe (33), the end part of the multi-way pipe (33) is connected with a first cooling water pipe (13) and a second cooling water pipe (22), the end parts of the first cooling water pipe (13) and the second cooling water pipe (22) extend into the water tank (31), and a cooling mechanism (34) is arranged on the inner side wall of the water tank (31).
3. The heat dissipating device of a water-cooled dry slag machine as set forth in claim 2, wherein: the cooling mechanism (34) comprises a water collecting ring (341) and a fan (345), wherein the outer side wall of the water collecting ring (341) is arranged on the inner side wall of the water tank (31), a fixed ring (342) is arranged at the bottom of the water collecting ring (341), an annular cavity (343) is formed in the inner side wall of the fixed ring (342), a plurality of air outlets (344) are formed in the inner side wall of the annular cavity (343), the fan (345) is arranged outside the water tank (31), one end of an air pipe (346) is connected to the output end of the fan (345), and the other end of the air pipe (346) is embedded in the annular cavity (343).
4. The heat dissipating device of a water-cooled dry slag machine as set forth in claim 2, wherein: the number of the cooling mechanisms (34) is two.
5. A water cooled dry slag machine heat sink as claimed in claim 3 wherein: an orifice plate (35) is arranged on the inner side wall of the water collecting ring (341).
6. The heat dissipating device of a water-cooled dry slag machine as set forth in claim 2, wherein: the output end of the pump body (32) is connected with a vertical pipe (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320612302.9U CN219453981U (en) | 2023-03-27 | 2023-03-27 | Water-cooling dry sediment machine heat abstractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320612302.9U CN219453981U (en) | 2023-03-27 | 2023-03-27 | Water-cooling dry sediment machine heat abstractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219453981U true CN219453981U (en) | 2023-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320612302.9U Active CN219453981U (en) | 2023-03-27 | 2023-03-27 | Water-cooling dry sediment machine heat abstractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219453981U (en) |
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2023
- 2023-03-27 CN CN202320612302.9U patent/CN219453981U/en active Active
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