CN208901376U - Drum slag cooling machine cylinder - Google Patents
Drum slag cooling machine cylinder Download PDFInfo
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- CN208901376U CN208901376U CN201820839057.4U CN201820839057U CN208901376U CN 208901376 U CN208901376 U CN 208901376U CN 201820839057 U CN201820839057 U CN 201820839057U CN 208901376 U CN208901376 U CN 208901376U
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- fin
- tube
- heat
- heat exchanger
- heat exchange
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Abstract
The utility model discloses a kind of drum slag cooling machine cylinder, including insulating layer, shell, heat exchanger tube, fin, screw propulsion plate, raise slag plate, membrane type heat exchange tube panel, Curved fin and central tube etc..The fin installation direction of drum slag cooling machine cylinder outer layer heat exchanger tube is radial, while increasing by one layer of shell outside existing outer layer heat exchanger tube, covering and heat insulating layer outside shell；Curved fin is installed on the membrane type heat exchange tube panel that the installation of lag cooler drums inside is made of heat exchanger tube and fin, the tube panel that exchanges heat, to improve effective heat exchange area.
Description
Technical field
The utility model relates to a kind of drum slag cooling machine cylinders.
Background technique
In current industrial processes, the industries such as electric power, cement and metallurgy can generate many high-temperature ash and need
It cools down.For example the Circulating Fluidized Bed Boilers of power industry will generate a large amount of high-temperature ash, if these lime-ash are not
It can be winding is effectively cooled, not only thermal energy waste is very big, but also can carry out great safety problem to neighbouring people and equipment belt.
So these physical heat of ash dregs it is necessary to be recycled, to improve energy utilization rate, while being realized and being carried out production strictly in line with rules and regulations.
In order to recycle the heat of lime-ash, once there are a plurality of types of ash cooling devices, by largely practicing card
Bright, barrel slag cooler is more advantageous in reliability and energy efficiency indexes, therefore China's overwhelming majority fluidized-bed combustion boiler at present
Ash cooling device is barrel slag cooler.
With advances in technology, the power output of currently used barrel slag cooler is increasing, but due to lime-ash/cooling water
Between heat transfer characteristic be different from the heat transfer characteristic between fluid, so the heat-transfer surface of common drum slag cooling machine cylinder utilizes at present
Efficiency is lower in addition contact heat-exchanging area not Football Association's heat exchange area 40%.On the one hand cause lag cooler volume larger in this way, together
When leaving water temperature it is not high.
Utility model content
For existing problem, the purpose of this utility model is to provide a kind of higher drum slag coolings of effective heat exchange area
Machine cylinder, to realize big power output and high leaving water temperature.
To achieve the above object, the technical solution adopted in the utility model are as follows: a kind of drum slag cooling machine cylinder, including heat preservation
Layer, heat exchanger tube, fin, screw propulsion plate, raises slag plate, membrane type heat exchange tube panel, Curved fin and central tube at shell, special
Sign is barrel slag cooler drum housing outer surface covering and heat insulating layer, installs screw propulsion plate in shell inner surface, outer layer changes
Heat pipe passes through screw propulsion plate and is connected with the shell by fin, raises slag plate and is welded on outer layer heat exchanger tube and pushes away in spiral
Into between plate, exchanged heat tube panel in drums inside installation by the membrane type that internal heat exchange tubes and fin form, before the fin for the tube panel that exchanges heat
It is upper below to weld Curved fin, fin and internal heat exchange tubes and the semi-enclosed cavity of fin composition, on the basis of direction of rotation,
Cavities open in front of tube panel is towards centrifugal direction, and for the cavities open at tube panel rear towards centripetal direction, central tube is mounted on rolling
On cylinder axis.The membrane type heat exchange tube panel quantity of drums inside is even number, and axisymmetricly mode is installed.It is centripetal in outer layer heat exchanger tube
Surface on be welded with heat exchange fin.
The present apparatus has the characteristics that structure is simple, high-efficient, low in cost, easy to maintain and power consumption is low.
Detailed description of the invention
Attached drawing 1 is drum slag cooling machine cylinder schematic cross-section.
Attached drawing 2 is roller partial enlarged view.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
The 1 --- --- --- --- shell 5 --- screw propulsion plate 6 --- of fin 4 of outer layer heat exchanger tube 3 of insulating layer 2
Raise --- --- --- the antecurvature curved fin 10 --- rear Curved fin 11 --- of fin 9 of internal heat exchange tubes 8 of slag plate 7
Central tube
In attached drum slag cooling machine cylinder shown in FIG. 1, the 4 outside covering and heat insulating layer of shell of the drum slag cooling machine cylinder
1, outer layer heat exchanger tube 2 passes through screw propulsion plate 5 and is connect by fin 3 with shell 4, and screw propulsion plate 5 is mounted on the interior of shell 4
It on surface, raises slag plate 6 and is welded on outer layer heat exchanger tube 2, between screw propulsion plate 5.In the inside of drum slag cooling machine cylinder
The membrane type heat exchange tube panel of internal heat exchange tubes 7 and the composition of fin 8 is installed, antecurvature curved fin 9 is installed in heat exchange tube panel front-back
And rear Curved fin 10, wherein antecurvature curved fin 9 is separate with the cavities open direction that internal heat exchange tubes 7, fin 8 are constituted
Barrel slag cooler cylinder axis direction, the cavities open direction that then Curved fin 10 and internal heat exchange tubes 7, fin 8 are constituted
For towards barrel slag cooler cylinder axis direction.Central tube 11 is mounted on the center line of roller.
When the barrel slag cooler drum functions, the direction of rotation of roller as shown in Fig. 1 and tube panel is counter clockwise direction,
Slag plate 6 is raised to raise the part lime-ash in roller, raise slag plate 6 carry lime-ash run up during, lime-ash part heat
Amount is released to outer layer heat exchanger tube 2, and is taken away heat by the heat transferring medium in heat exchanger tube 2.After lime-ash reach a certain height, ash
Slag will be shed out from raising in slag plate 6, and fall on membrane type heat exchange tube panel, and a part of lime-ash enters by antecurvature curved fin 9, interior
In the cavity that portion's heat exchanger tube 7 and fin 8 are constituted, another part lime-ash exchanges heat the membrane type that another bobbin is symmetrically installed is slipped to
On tube panel, and enter in the cavity being made of rear Curved fin 10, internal heat exchange tubes 7 and fin 8, falls into the ash in cavity
Slag transfers heat to the heat transferring medium in membrane type heat exchange tube panel.With the continuous rotation of roller and tube panel, tube panel front and back cavity
Interior lime-ash is constantly full of and trickles down, in this way, the heat of lime-ash just constantly passes to the heat transferring medium in internal heat exchange tubes 7.Outside
Heat transferring medium in layer heat exchanger tube 2 and internal heat exchange tubes 7 is collected by central tube 11.The lime-ash that cylinder bottom is not raised is continuous
With raise lime-ash blending and by screw propulsion plate 5 continuously push, moved from lag cooler roller import to export direction, temperature by
It gradually reduces, lag cooler is finally discharged.
Due to 3 radially installed of fin between the outer layer heat exchanger tube 2 in drum slag cooling machine cylinder and shell 4, slag is raised in this way
When carrying lime-ash rising, entire outer layer heat exchanger tube 2 is all embedded in inside lime-ash plate 6, and which adds effective heat exchange areas.
The tube panel arrangement quantity that exchanges heat in attached drawing 1 number, be mainly dependent on whether to enter maintenance convenient for personnel.
In order to improve the heating efficiency of lime-ash, covering and heat insulating layer 1 outside roller, to prevent heat largely to scatter and disappear, together
When prevent scald accident.
The utility model is not limited to above-mentioned preferred forms, anyone can obtain under the enlightenment of the utility model
The product of various other forms.However, make any variation in its shape or structure, all or phases identical as the utility model
Approximate technical solution, within its protection scope.
Claims (3)
1. a kind of drum slag cooling machine cylinder, including insulating layer, shell, heat exchanger tube, fin, screw propulsion plate, raise slag plate, membrane type changes
Heat pipe screen, Curved fin and central tube, characterized in that barrel slag cooler drum housing outer surface covering and heat insulating layer,
Screw propulsion plate is installed in shell inner surface, outer layer heat exchanger tube passes through screw propulsion plate and is connected with the shell by fin, raises
Slag plate is welded on outer layer heat exchanger tube and between screw propulsion plate, installs in drums inside by internal heat exchange tubes and fin group
At membrane type exchange heat tube panel, Curved fin, fin and internal heat exchange tubes and fin are welded on the fin front-back for the tube panel that exchanges heat
Semi-enclosed cavity is constituted, on the basis of direction of rotation, cavities open in front of tube panel is towards centrifugal direction, the sky at tube panel rear
Chamber is open towards centripetal direction, and central tube is mounted on cylinder axis.
2. drum slag cooling machine cylinder according to claim 1, which is characterized in that the membrane type heat exchange tube panel quantity of drums inside
For even number, and axisymmetricly mode is installed.
3. drum slag cooling machine cylinder according to claim 1, which is characterized in that welded on the centripetal surface of outer layer heat exchanger tube
It is connected to heat exchange fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820839057.4U CN208901376U (en) | 2018-06-01 | 2018-06-01 | Drum slag cooling machine cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820839057.4U CN208901376U (en) | 2018-06-01 | 2018-06-01 | Drum slag cooling machine cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208901376U true CN208901376U (en) | 2019-05-24 |
Family
ID=66566281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820839057.4U Active CN208901376U (en) | 2018-06-01 | 2018-06-01 | Drum slag cooling machine cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208901376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553254A (en) * | 2018-06-01 | 2019-12-10 | 李建锋 | Roller of roller slag cooler |
-
2018
- 2018-06-01 CN CN201820839057.4U patent/CN208901376U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553254A (en) * | 2018-06-01 | 2019-12-10 | 李建锋 | Roller of roller slag cooler |
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