CN207214688U - A kind of coal slime drier - Google Patents
A kind of coal slime drier Download PDFInfo
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- CN207214688U CN207214688U CN201720997964.7U CN201720997964U CN207214688U CN 207214688 U CN207214688 U CN 207214688U CN 201720997964 U CN201720997964 U CN 201720997964U CN 207214688 U CN207214688 U CN 207214688U
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- coal slime
- accommodating chamber
- coal
- steam
- steam pipeline
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Abstract
The utility model embodiment discloses a kind of coal slime drier, is related to coal electro-technical field, for solving the problems, such as that existing coal slime drier can cause environmental pollution.Coal slime drier of the present utility model includes：Coal slime accommodating chamber, steam pipeline；Coal slime accommodating chamber is used to accommodate coal slime, and coal slime accommodating chamber includes coal slurry inlet and coal slime exports, and coal slurry inlet is being vertically higher than coal slime outlet；Steam pipeline is used to convey the vapor by steam turbine, and steam pipeline is arranged at the inside of coal slime accommodating chamber, for being heated for the coal slime in coal slime accommodating chamber, to cause the reduction of the humidity of the coal slime in coal slime accommodating chamber.
Description
Technical field
It the utility model is related to coal electro-technical field, and in particular to a kind of coal slime drier.
Background technology
Existing thermal power generation relies primarily on steam turbine power generation, and the general process of steam turbine power generation is：As caused by boiler
Superheated steam enter steam turbine in expansion work, make blade rotate and drive electrical power generators, the waste vapour after acting through condenser,
Water circulating pump, condensate pump, send boiler recycling back to hot-water heating system etc., and the fuel for heating of being fed water in thermal power plant is main
It is coal slime.It is preceding, it is necessary to which coal slime is transported into coal yard, Jin Eryong from coal slime stacking field by coal slime conveying device that coal slime enters stove burning
Coal fired power generation in coal yard.It is generally larger that the humidity of coal slime in field is stacked due to coal slime, influences coal fired generation process, therefore need
Coal slime before entrance coal yard is dried, to reduce the humidity of coal slime, referring to Fig. 1, be existing coal slime transport system,
Dotted line represents the conveying circuit of coal slime.
Existing coal slime drier produces high-temperature flue gas typically by burning coal or biological substance, and caused by utilization
High-temperature flue gas is thermally dried to coal slime.
But there is volume of smoke, sulfur dioxide and nitrogen in the high-temperature flue gas that prior art uses in coal slime drying process
Oxide etc., environmental pollution can be caused.
Utility model content
The utility model embodiment provides a kind of coal slime drier, and ring can be caused for solving existing coal slime drier
The problem of border is polluted.
To reach above-mentioned purpose, the utility model embodiment provides a kind of coal slime drier, including：Coal slime accommodating chamber,
Steam pipeline；
The coal slime accommodating chamber is used to accommodate coal slime, and the coal slime accommodating chamber includes coal slurry inlet and coal slime exports, described
Coal slurry inlet is being vertically higher than the coal slime outlet；
The steam pipeline is used to convey the vapor by steam turbine, and the steam pipeline is arranged at the coal slime
The inside of accommodating chamber, for being heated for the coal slime in the coal slime accommodating chamber, to cause the coal slime in the coal slime accommodating chamber
Humidity reduces.
Optionally, the coal slime drier also includes slew gear, and the slew gear is connected with the coal slime accommodating chamber,
For driving the coal slime accommodating chamber to rotate.
Optionally, the coal slime drier also includes steam trap connection, and the steam trap connection goes out with the steam pipeline
Mouth is connected, for by outside the condensed water elimination in the steam pipeline to the steam pipeline.
Optionally, the steam pipeline includes internal duct, entrance swivel joint and outlet swivel joint；
The internal duct is fixed together with the coal slime accommodating chamber, with the coal slime accommodating chamber synchronous axial system；
The vapor that the entrance of the internal duct passes through the steam turbine by entrance swivel joint access；
The outlet of the internal duct is connected by the outlet swivel joint with the steam trap connection.
Optionally, the internal duct is steam pipe coil.
Optionally, the outer surface of the steam pipe coil is provided with radiating fin.
Optionally, the coal slime drier also includes temperature-adjustment pressure-adjustment device, and the temperature-adjustment pressure-adjustment device and the steam are defeated
The air inlet of pipe is sent to be connected, for the vapor by the steam turbine to be adjusted into saturated vapor, and by the saturation after regulation
Steam is conveyed into the steam pipeline.
Optionally, chain is provided with the inwall of the coal slime accommodating chamber, for being adhered in the coal slime accommodating chamber
Coal slime on wall is cleaned.
Optionally, the wall contacts of the steam pipeline are provided with shaking device, for preventing coal slime to be adhered to
The outer wall of the steam pipeline.
Optionally, the coal slime accommodating chamber is additionally provided with exhaust outlet, and the exhaust ports are provided with induced-draught fan and screen pack,
Air in the coal slime accommodating chamber passes through the screen pack in the presence of the induced-draught fan, is accommodated with reducing from the coal slime
Dust content in the air discharged in chamber.
As can be seen from the above technical solutions, the utility model embodiment has advantages below：
The utility model will be collected into drying device by the vapor of steam turbine, using being collected into the drying device
In the vapor coal slime in the drying device is heated, to cause the humidity of the coal slime in the drying device
Reduce, because the utility model coal slime is dried used gas to pass through the vapor of steam turbine, and prior art
Compare, it is possible to reduce environmental pollution, save the energy.
Brief description of the drawings
Fig. 1 is existing one schematic diagram of coal slime transport system；
Fig. 2 is the utility model coal slime drier one embodiment schematic diagram；
Fig. 3 is another embodiment schematic diagram of the utility model coal slime drier.
Embodiment
The utility model embodiment provides a kind of coal slime drier, for reducing environmental pollution, saves the energy.
In order that those skilled in the art more fully understand the utility model, it is real below in conjunction with the utility model
The accompanying drawing in example is applied, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that be described
Embodiment is only the embodiment of the utility model part, rather than whole embodiments.Based on the reality in the utility model
Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all should
When the scope for belonging to the utility model protection.
Term " first ", " second ", " the 3rd " in specification and claims of the present utility model and above-mentioned accompanying drawing,
(if present)s such as " the 4 " is for distinguishing similar object, without for describing specific order or precedence.Should
The data that the understanding so uses can exchange in the appropriate case, so that the embodiments described herein can be with except herein
Order beyond diagram or the content of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment not
Be necessarily limited to those steps or the unit clearly listed, but may include not list clearly or for these processes, side
The intrinsic other steps of method, product or equipment or unit.
Method and system provided by the utility model is mainly used in thermal power generation system, specifically for steam turbine power generation system
System.For the ease of the understanding of those skilled in the art, the utility model is by following examples to skill provided by the utility model
The specific implementation process of art scheme illustrates.
The utility model coal slime drier can include coal slime accommodating chamber 1, steam pipeline 2；The coal slime accommodating chamber 1 is used
In accommodating coal slime, the coal slime accommodating chamber 1 includes coal slurry inlet 11 and coal slime outlet 12, and the coal slurry inlet 11 is in vertical direction
Higher than coal slime outlet 12, such as, coal slime accommodating chamber 1 can be with horizontal direction slightly into angle of inclination, and coal slime is from higher one
End adds, and is discharged from relatively low one end, and the coal slime of discharge can fall into coal slime transmitting device, transmit to coal slime drier or coal
；The steam pipeline 2 is used to convey the vapor by steam turbine, and the steam pipeline 2, which is arranged at the coal slime, to be held
The inside of chamber 1 is received, for for the coal slime heating in the coal slime accommodating chamber 1, to cause the coal slime in the coal slime accommodating chamber 1
Humidity reduces.A kind of referring to Fig. 2, possible structural perspective for coal slime drier.
Due to having higher temperature by the vapor of steam turbine, steam pipeline of the present utility model, which utilizes, passes through vapour
The heat of the vapor of turbine heats to the coal slime in the coal slime accommodating chamber, to cause the coal in the coal slime accommodating chamber
The humidity of mud reduces, and is the vapor by steam turbine because the utility model coal slime is dried used gas, and
Prior art is compared, it is possible to reduce environmental pollution.In addition, and in the prior art as caused by boiler superheated steam enters steam turbine
Directly cool after interior expansion work through condenser different, the utility model collects the vapor by steam turbine defeated to steam
Send in pipe, the coal slime in coal slime accommodating chamber is heated using the vapor being collected into steam pipeline, taken full advantage of
The heat of vapor after acting, has saved the energy.
Preferably, coal slime drier can also include slew gear, the slew gear and the phase of coal slime accommodating chamber 1
Even, for driving the coal slime accommodating chamber 1 to rotate, to cause coal slime to be tossed in coal slime accommodating chamber 1, increase heated
Surface area, improve the efficiency of heating surface.
Preferably, the alternatively possible structural perspective of the coal slime drier shown in Fig. 3 is referred to, the coal slime is dried
Machine can also include steam trap connection 3, and the steam trap connection 3 is connected with the outlet of the steam pipeline 2, for by the steam
Condensed water elimination in delivery pipe 2 is to outside the steam pipeline 2.In actual use, steam trap connection 3 can select machine
Tool formula steam trap, thermodynamic trap or thermostatic steam trap etc., are not specifically limited herein.By steam trap connection 3
Condensed water can be collected to unit water purification station, continue to do work to steam turbine after heating again.
Preferably, the steam pipeline 2 includes internal duct 21, entrance swivel joint 22 and outlet swivel joint 23；
The internal duct 21 is fixed together with the coal slime accommodating chamber 11, with the synchronous axial system of coal slime accommodating chamber 11；In described
The vapor that the entrance of portion's pipeline 21 passes through the steam turbine by the entrance swivel joint 22 access；The internal duct 21
Outlet by it is described outlet swivel joint 23 be connected with the steam trap connection 3.
Preferably, the internal duct 21 is steam pipe coil, the heat conducting pipe of generally disc-shaped spiral or is led in back-shaped
Heat pipe, heat conducting pipe use the higher material of thermal conductivity, such as aluminium, stainless steel etc..
Preferably, the outer surface of the steam pipe coil is provided with radiating fin, and radiating fin can select that thermal conductivity is good, matter
Gently, the metal of easy processing is attached at the outer surface of steam pipe coil, helps steam pipe coil to radiate with compound heat exchange pattern, with
Improve heating efficiency of the steam pipe coil to the coal slime in coal slime accommodating chamber 1.
Preferably, referring to Fig. 3, the coal slime drier also includes temperature-adjustment pressure-adjustment device 4, the temperature-adjustment pressure-adjustment device 4
It is connected with the air inlet of the steam pipeline 2, for the vapor by the steam turbine to be adjusted into saturated vapor, and will
Saturated vapor after regulation is conveyed into the steam pipeline 2.It is usual by the steam pressure and temperature of the vapor of steam turbine
It is higher, it is preferred that decompression cooling can be carried out to it and forms saturated vapor, saturated vapor liquefies to the cold in steam pipe coil, releases
The latent heat of phase change of releasing, be advantageous to improve heating efficiency of the steam pipe coil to the coal slime in coal slime accommodating chamber 1.
Preferably, flight is housed, the flight is used for the coal slime accommodating chamber 1 on the inwall of the coal slime accommodating chamber 1
Interior coal slime is taken up and spilt down, increases the heating surface area of coal slime.
Preferably, chain is provided with the inwall of the coal slime accommodating chamber 1, for being adhered to the coal slime accommodating chamber 1
Coal slime on inwall is cleaned.
Preferably, the wall contacts of the steam pipeline 2 are provided with shaking device, for preventing coal slime to be adhered to
The outer wall of the steam pipeline 2.
Preferably, referring to Fig. 3, the coal slime accommodating chamber 1 is additionally provided with exhaust outlet 13, it is provided with the exhaust outlet 13
Induced-draught fan 131 and screen pack 132, the air in the coal slime accommodating chamber 1 pass through the mistake in the presence of the induced-draught fan 131
Filter screen 132, to reduce the dust content in the air discharged from the coal slime accommodating chamber 1.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Division, only a kind of division of logic function, can there is other dividing mode, such as multiple units or component when actually realizing
Another system can be combined or be desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or
The mutual coupling discussed or direct-coupling or communication connection can be the indirect couplings by some interfaces, device or unit
Close or communicate to connect, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
Described above, above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to previous embodiment, it will be understood by those within the art that：It is still
Technical scheme described in foregoing embodiments can be modified, or which part technical characteristic is equally replaced
Change；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technical scheme
Spirit and scope.
Claims (10)
- A kind of 1. coal slime drier, applied to thermal power generation system, it is characterised in that including：Coal slime accommodating chamber, steam pipeline；The coal slime accommodating chamber is used to accommodate coal slime, and the coal slime accommodating chamber includes coal slurry inlet and coal slime exports, the coal slime Entrance is being vertically higher than the coal slime outlet；The steam pipeline is used to convey the vapor by steam turbine, and the steam pipeline is arranged at the coal slime and accommodated The inside of chamber, for being heated for the coal slime in the coal slime accommodating chamber, to cause the humidity of the coal slime in the coal slime accommodating chamber Reduce.
- 2. coal slime drier according to claim 1, it is characterised in that the coal slime drier also includes slew gear, The slew gear is connected with the coal slime accommodating chamber, for driving the coal slime accommodating chamber to rotate.
- 3. coal slime drier according to claim 2, it is characterised in that the coal slime drier also includes steam trap connection, The steam trap connection is connected with the outlet of the steam pipeline, for by the condensed water elimination in the steam pipeline to institute State outside steam pipeline.
- 4. coal slime drier according to claim 3, it is characterised in that the steam pipeline includes internal duct, entered Mouth swivel joint and outlet swivel joint；The internal duct is fixed together with the coal slime accommodating chamber, with the coal slime accommodating chamber synchronous axial system；The vapor that the entrance of the internal duct passes through the steam turbine by entrance swivel joint access；The outlet of the internal duct is connected by the outlet swivel joint with the steam trap connection.
- 5. coal slime drier according to claim 4, it is characterised in that the internal duct is steam pipe coil.
- 6. coal slime drier according to claim 5, it is characterised in that the outer surface of the steam pipe coil is provided with radiating Fin.
- 7. coal slime drier according to any one of claim 1 to 6, it is characterised in that the coal slime drier also wraps Temperature-adjustment pressure-adjustment device is included, the temperature-adjustment pressure-adjustment device is connected with the air inlet of the steam pipeline, for that will pass through the vapour The vapor of turbine is adjusted to saturated vapor, and the saturated vapor after regulation is conveyed into the steam pipeline.
- 8. coal slime drier according to any one of claim 1 to 6, it is characterised in that the coal slime accommodating chamber it is interior Chain is provided with wall, for being cleaned to the coal slime being adhered on the coal slime receiving cavity wall.
- 9. coal slime drier according to any one of claim 1 to 6, it is characterised in that with the steam pipeline Wall contacts are provided with shaking device, for preventing coal slime to be adhered to the outer wall of the steam pipeline.
- 10. coal slime drier according to any one of claim 1 to 6, it is characterised in that the coal slime accommodating chamber is also set It is equipped with exhaust outlet, the exhaust ports are provided with induced-draught fan and screen pack, and the air in the coal slime accommodating chamber is in the air draught Pass through the screen pack in the presence of machine, to reduce the dust content in the air discharged from the coal slime accommodating chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720997964.7U CN207214688U (en) | 2017-08-10 | 2017-08-10 | A kind of coal slime drier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720997964.7U CN207214688U (en) | 2017-08-10 | 2017-08-10 | A kind of coal slime drier |
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| Publication Number | Publication Date |
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| CN207214688U true CN207214688U (en) | 2018-04-10 |
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| CN201720997964.7U Active CN207214688U (en) | 2017-08-10 | 2017-08-10 | A kind of coal slime drier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314644A (en) * | 2017-08-10 | 2017-11-03 | 阜阳华润电力有限公司 | A kind of coal slime drier |
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- 2017-08-10 CN CN201720997964.7U patent/CN207214688U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314644A (en) * | 2017-08-10 | 2017-11-03 | 阜阳华润电力有限公司 | A kind of coal slime drier |
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