CN102757822B - Fixed-type pressure-bearing hot ash cooling device - Google Patents
Fixed-type pressure-bearing hot ash cooling device Download PDFInfo
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- CN102757822B CN102757822B CN 201110104009 CN201110104009A CN102757822B CN 102757822 B CN102757822 B CN 102757822B CN 201110104009 CN201110104009 CN 201110104009 CN 201110104009 A CN201110104009 A CN 201110104009A CN 102757822 B CN102757822 B CN 102757822B
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- ash
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
- Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]
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Abstract
The invention relates to a fixed-type pressure-bearing hot ash cooling device connected with a hot ash discharging device. The cooling device comprises a working medium inlet header, a working medium outlet header, and a heat exchange component used for cooling medium circulation. The working medium outlet header is connected to an ash inlet of the hot ash discharging device. The working medium inlet header is connected to an ash outlet of the hot ash discharging device. The heat exchange component is arranged in a sealed cylinder, and communicates with the working medium inlet header and theworking medium outlet header. The sealed cylinder is respectively connected with the working medium inlet header and the working medium outlet header with a sealed manner. An ash falling gap for the hot ash to fall freely is arranged in the heat exchange component, so that sufficient heat exchanging between the hot ash and the heat exchange component can be carried out during the hot ash free falling procedure. With the cooling device provided by the invention, on a basis of no coal gas leakage, the hot ash is cooled.
Description
Technical field
The present invention relates to a kind of hot ash-dregs cooler, particularly a kind of hot ash-dregs cooler of fixed pressure-bearing of under the prerequisite that the poisonous pressed gas in lime-ash do not reveal hot lime-ash being cooled off of can guaranteeing.
Background technology
In China develops energetically at present Coal Chemical Industry new technology and integrated gasification combined cycle for power generation (IGCC) new technology, there is the equipment that adopts pressure method to produce coal gas of high temperature.Just can be for further processing after cooling off to the byproduct high-temperature ash of coal gas of high temperature.Conventional cooling heat lime-ash adopts two kinds of forms: fixed slag cooler and rotary slag cooler.Fixed slag cooler is to rely on to spray into gas in slag cooler, and (such as air) promotes lime-ash and move, and washes away the purpose that heating surface reaches cooling.Since do not allow to add other gas in the coal gas, in order to avoid influence gas quality, so traditional fixed slag cooler can not adopt; Rotary slag cooler relies on the rotation strand to mix or the thrust of spiral makes lime-ash contact with heating surface, to reach cooling purpose, owing to there is rotating element, under pressure inside, is easy to generate gas leakage, so can not adopt.For example the patent No. is " ZL200320131156 ", and name is called the disclosed slag cooler of Chinese utility model patent of " slag cooler ", and its structure namely can not satisfy the requirement to the high-temperature ash cooling of producing the coal gas of high temperature generation.
Summary of the invention
Technical problem to be solved by this invention provides a kind of hot ash-dregs cooler of fixed pressure-bearing for the hot lime-ash of the hot lime-ash of pressing gas vapourizing furnace or integrated gasification combined cycle for power generation system (IGCC), can under the situation that assurance coal gas is not revealed, hot lime-ash be cooled off.
To achieve these goals, the invention provides the hot ash-dregs cooler of a kind of fixed pressure-bearing, be connected with hot lime-ash device for transferring, comprise the working medium inlet header case for the heat-eliminating medium circulation, sender property outlet collection case and heat-exchanging part, wherein, described sender property outlet collection case is connected with the lime-ash entrance of described hot lime-ash device for transferring, described working medium inlet header case is connected with the lime-ash outlet of described hot lime-ash device for transferring, described heat-exchanging part is installed in the sealed cylinder and is communicated with described working medium inlet header case and described sender property outlet collection case respectively, described sealed cylinder is tightly connected with described working medium inlet header case and described sender property outlet collection case respectively, is provided with the slag space that falls of the free landing of heat supply lime-ash in the described heat-exchanging part so that described hot lime-ash carries out sufficient heat exchange with described heat-exchanging part in the landing process.
The above-mentioned hot ash-dregs cooler of fixed pressure-bearing, wherein, described heat-exchanging part comprises a plurality of pipe groups, form the described slag space that falls between described a plurality of pipe group, described pipe group comprises standpipe and a plurality of serpentine tube, described standpipe two ends are communicated with described working medium inlet header case and described sender property outlet collection case respectively, and described a plurality of serpentine tubes are communicated with described standpipe respectively.
The above-mentioned hot ash-dregs cooler of fixed pressure-bearing, wherein, described sealed cylinder is circular, described standpipe along the circumferential direction evenly arranges.
The above-mentioned hot ash-dregs cooler of fixed pressure-bearing, wherein, the two ends of described a plurality of serpentine tubes are welded on the homonymy of same described standpipe respectively to form concentric diffraction shape structure.
The above-mentioned hot ash-dregs cooler of fixed pressure-bearing wherein, is provided with dividing plate in the described standpipe, and described dividing plate is provided with the aperture that can allow micro-described heat-eliminating medium to pass through, and described dividing plate is arranged between the described serpentine tube two ends of inner ring on the described standpipe.
The above-mentioned hot ash-dregs cooler of fixed pressure-bearing, wherein, described a plurality of serpentine tubes are positioned on the line at center of the center of described sealed cylinder and described standpipe.
The above-mentioned hot ash-dregs cooler of fixed pressure-bearing wherein, is tightly connected to form described sealed cylinder by band steel plate respectively between the adjacent described standpipe.
The above-mentioned hot ash-dregs cooler of fixed pressure-bearing, wherein, be welded to connect for fillet weld between described band steel plate and described standpipe, the thickness addition of the thinnest part of two fillet welds on the every limit of described band steel plate is delivered on the described standpipe to guarantee the heat that described band steel plate absorbs more than or equal to the thickness of described band steel plate.
The above-mentioned hot ash-dregs cooler of fixed pressure-bearing, wherein, described working medium inlet header case and described sender property outlet collection case are circular configuration, and described standpipe evenly is welded on according to uniform distances between described working medium inlet header case and the described sender property outlet collection case at circumferential direction.
The above-mentioned hot ash-dregs cooler of fixed pressure-bearing, wherein, described working medium inlet header case and/or described sender property outlet collection case are bent by round steel pipe.
The above-mentioned hot ash-dregs cooler of fixed pressure-bearing, wherein, described standpipe and/or described serpentine tube are round steel pipe.
The above-mentioned hot ash-dregs cooler of fixed pressure-bearing, wherein, the diameter of described working medium inlet header case and/or described sender property outlet collection case is greater than the diameter of described standpipe, and the diameter of described standpipe is greater than the diameter of described serpentine tube.
The above-mentioned hot ash-dregs cooler of fixed pressure-bearing wherein, also comprises T type strengthening ring, and described T type strengthening ring is installed on the described sealed cylinder outside surface.
The above-mentioned hot ash-dregs cooler of fixed pressure-bearing, wherein, the outside surface of described sealed cylinder also is laid with lagging material.
The above-mentioned hot ash-dregs cooler of fixed pressure-bearing, wherein, described sender property outlet collection case is that flange is connected or doughnut-shaped steel plate connects with described lime-ash entrance, described working medium inlet header case is connected for flange with described lime-ash outlet or doughnut-shaped steel plate connects.
Technique effect of the present invention is: the present invention can cool off hot lime-ash under the situation that assurance coal gas is not revealed.Because the collection case, standpipe and band steel plate form the circular cylinder body that can bear internal pressure, can seal up coal gas and not reveal; Owing to have water coolant in the standpipe, can bear the high temperature of hot lime-ash, so device interior does not need to install refractory materials or lagging material simultaneously; Because equipment is vertically installed, and makes lime-ash in process of cooling, can under action of gravity, flow downward automatically, therefore do not need extra aerodynamic force to promote.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is structured flowchart of the present invention;
Fig. 2 is the structural representation (the A-A sectional view of Fig. 3) of one embodiment of the invention;
Fig. 3 is the B-B sectional view of Fig. 2;
Fig. 4 is the pipe group structural representation of one embodiment of the invention.
Wherein, Reference numeral
The outlet of 1 lime-ash entrance, 2 lime-ash
3 working medium inlet header casees, 4 sender property outlet collection casees
10 heat-exchanging parts, 5 standpipes
51 dividing plates, 6 serpentine tubes
20 sealed cylinders, 7 band steel plates
8T shape strengthening ring 9 lagging materials
A lime-ash approach axis b lime-ash is discharged direction
C cooling water inlet d cooling water outlet
Embodiment
Below in conjunction with accompanying drawing structural principle of the present invention and principle of work are done concrete description:
Referring to Fig. 1, Fig. 1 is structured flowchart of the present invention.The hot ash-dregs cooler of fixed pressure-bearing of the present invention, be connected with hot lime-ash device for transferring, comprise the working medium inlet header case 3 for the heat-eliminating medium circulation, sender property outlet collection case 4 and heat-exchanging part 10, described sender property outlet collection case 4 is connected with the lime-ash entrance 1 of described hot lime-ash device for transferring, described working medium inlet header case 3 is connected with the lime-ash outlet 2 of described hot lime-ash device for transferring, described heat-exchanging part 10 is installed in the sealed cylinder 20 and is communicated with described working medium inlet header case 3 and described sender property outlet collection case 4 respectively, described sealed cylinder 20 is tightly connected with described working medium inlet header case 3 and described sender property outlet collection case 4 respectively, is provided with the slag space that falls of the free landing of heat supply lime-ash in the described heat-exchanging part 10 so that described hot lime-ash carries out sufficient heat exchange with described heat-exchanging part 10 in free landing process.Heat-eliminating medium in the present embodiment is preferably water coolant, and cooling-water flow can adopt the method for natural circulation, also can adopt the method for forced-flow.When adopting natural circulation, hot ash-dregs cooler will be connected (not shown) with rising pipe with drum by outfall sewer.The caliber of outfall sewer and rising pipe and quantity, drum will be chosen a rational numerical by water circulation calculation with respect to the height of water cooler.When adopting forced-flow, guarantee enough discharge, make the water out place superheated vapour can not occur.Because above-mentioned water cycle method is ripe prior art, do not give unnecessary details at this.
Referring to Fig. 2 and Fig. 3, Fig. 2 is the structural representation (the A-A sectional view of Fig. 3) of one embodiment of the invention, and Fig. 3 is the B-B sectional view of Fig. 2.Described heat-exchanging part 10 comprises a plurality of pipe groups, form the described slag space that falls between described a plurality of pipe group, in the present embodiment, preferred described sealed cylinder 20 is circular, described pipe group comprises standpipe 5 and a plurality of serpentine tube 6, described standpipe 5 two ends are communicated with described working medium inlet header case 3 and described sender property outlet collection case 4 respectively, and described a plurality of serpentine tubes 6 are communicated with described standpipe 5 respectively.In order to carry out heat exchange better, described standpipe 5 along the circumferential direction evenly arranges, described a plurality of serpentine tube 6 is positioned on the line at center of the center of described sealed cylinder 20 and described standpipe 5, and namely described a plurality of pipe group preferably evenly is arranged on horizontal section in the middle of the described sealed cylinder 20.
Referring to Fig. 4, Fig. 4 is the serpentine tube structural representation of one embodiment of the invention.The two ends of described a plurality of serpentine tube 6 are welded on the homonymy of same described standpipe 5 respectively to form concentric diffraction shape structure, for guarantee that most of water coolant can pass through from serpentine tube 6, in described standpipe 5, be provided with dividing plate 51, described dividing plate 51 is provided with the aperture that can allow micro-described heat-eliminating medium to pass through, and described dividing plate 51 is arranged between described serpentine tube 6 two ends of inner ring on the described standpipe 5.The i.e. middle welding diaphragm 51 of 6 liang of end connectors of inner lane serpentine tube in standpipe 5 is with standpipe 5 separated into two parts circulation passages.On dividing plate 51, be drilled with aperture, can allow minor amount of water stream to pass through, be used for the tube wall of the standpipe 5 in the no serpentine tube of cooling zone.
Be tightly connected to form described sealed cylinder 20 by band steel plate 7 respectively between described a plurality of standpipe 5.5 of described band steel plate 7 and described standpipes are preferably fillet weld and are welded to connect, the thickness addition of the thinnest part of two described fillet welds on described band steel plate 7 every limits should be delivered on the described standpipe 5 to guarantee the heat that described band steel plate 7 absorbs more than or equal to the thickness of described band steel plate 7.For guaranteeing that standpipe 5 middle band steel plate 7 operating temperatures are no more than the oxidizing temperature of steel, need the size of band steel plate 7 be limited, the thickness of band steel plate 7 should be greater than 6 millimeters; Width depends on the hot ash temperature of its contact, and hot ash temperature is during greater than 650 ℃, and width should be less than 15 millimeters, and hot ash temperature is during less than 650 ℃, between scalable to 15 to 30 millimeters of the width.
Cylindrical shell produces distortion even destroys when preventing that under accident conditions gas pressure surpasses design pressure, the T shape strengthening ring 8 of tee-section can be installed at the outside surface circumferential direction of sealed cylinder 20, preferred this T type strengthening ring 8 is according to equidistant installation, the strengthening ring spacing can be by the internal pressure size, in the vertical direction every 1-2 meter ampere dress together.
Because sealed cylinder 20 has water quench, can bear the high temperature of lime-ash, sealed cylinder 20 inside do not need to lay refractory materials; Sealed cylinder 20 appearance temperature are temperature of cooling water, and for avoiding thermosteresis, the outside surface of described sealed cylinder 20 also can lay lagging material 9.
By the interface requirement of hot lime-ash device for transferring and cold lime-ash receiving equipment, described sender property outlet collection case 4 is connected for flange with described lime-ash entrance 1 or doughnut-shaped steel plate connects, and described working medium inlet header case 3 is connected for flange with described lime-ash outlet 2 or doughnut-shaped steel plate connects.
Hot ash-dregs cooler of the present invention is applicable to the hot lime-ash that cooling pressurization production coal gas produces, and reaches both cooling heat lime-ash, prevents the purpose of gas leakage again.The hot high pressure lime-ash enters hot ash-dregs cooler from lime-ash entrance 1, be full of the inside of sealed cylinder 20, because the major portion of serpentine tube 6 is for being arranged vertically, resistance to lime-ash is very little, and the lime-ash slag gap unrestricted flow lentamente from top to bottom that falls in the action of gravity lower edge is in sliding process, high-temperature ash directly contacts with standpipe 5 with the serpentine tube 6 of low temperature, by conduction of heat, with the heat-eliminating medium in the heat transferred pipe, finish heat exchanging process.Hot lime-ash is full of sealed cylinder 20 internal spaces, fall the slag space slowly to lower slip in the action of gravity lower edge, for guaranteeing have the sufficient time that lime-ash is cooled off, sliding velocity is unsuitable excessive, preferably slides with per second 1-2 millimeter speed on the transverse section of arranging serpentine tube 6.The heat transfer of hot lime-ash is mainly by thermal conduction, so whole heat transfer coefficient is very little.The resistance that conducts heat derives from the mean thickness of lime-ash.The mean thickness of lime-ash is more little, and heat transfer coefficient is more big.Preferred ash bed center to the thickness on serpentine tube 6 surfaces is got 50 millimeter.Lime-ash after the cooling flows out from the lime-ash outlet 2 of hot ash-dregs cooler lower end.Low-temperature cooling water enters from the cooling water inlet c of bottom, introduces serpentine tube 6 by the lower end of standpipe 5, enters the upper end of standpipe 5 again by serpentine tube 6, and the water coolant after the heating is finally drawn by cooling water outlet d.
In an embodiment of the present invention, described working medium inlet header case 3 and described sender property outlet collection case 4 are ring structure, wherein, the working medium inlet header case 3 of described annular and/or sender property outlet collection case 4 are by the larger caliber steel tube bending, the working medium inlet header case 3 of preferred described annular and sender property outlet collection case 4 are bent by the same flexure radius by the heavy caliber round steel pipe, described standpipe 5 and/or described serpentine tube 6 are round steel pipe, the diameter of described working medium inlet header case 3 and/or described sender property outlet collection case 4 is greater than the diameter of described standpipe 5, and the diameter of described standpipe 5 is greater than the diameter of described serpentine tube 6.Be that described standpipe 5 is by more small-bore steel pipe manufacturing, described serpentine tube 6 is bent by small-caliber steel pipe more, described standpipe 5 evenly is welded on according to uniform distances between described working medium inlet header case 3 and the described sender property outlet collection case 4 at hoop, described band steel plate 7 is welded between the adjacent standpipe 5, form the sealed cylinder 20 that can bear pressure with standpipe 5, described serpentine tube 6 each root two ends are welded to respectively on the same standpipe 5, every standpipe 5 and the many serpentine tubes 6 that weld are thereon formed a pipe group, all pipe groups are in the middle of horizontal section is evenly arranged in sealed cylinder 20, lime-ash does not need external high pressure gas to blow or mechanical energy drives, just under action of gravity, slowly slide along heating surface, in sliding process, rely on thermal conduction that heat is passed to water coolant, reach cooling purpose.
Working medium inlet header case 3 of the present invention, sender property outlet collection case 4, standpipe 5, band steel plate 7 and serpentine tube 6 preferred employing identical materials manufacturings.For example, be higher than 900 ℃ part in hot lime-ash entrance 1 temperature, choose the steel alloy manufacturing, all the other can choose the carbon steel manufacturing.
For ease of making and installing, reduce the water coolant resistance during operation, under the prerequisite that satisfies hot lime-ash cooling, can by several independently hot ash-dregs cooler series connection finish the work.By this hot ash-dregs cooler, each described hot ash-dregs cooler is then introduced and drawn to water coolant respectively to lime-ash successively.Advise that the height of each hot ash-dregs cooler is less than 5 meters.
Because hot ash-dregs cooler of the present invention can not absorb expansion originally as rigid body, so this hot ash-dregs cooler can not established bearing, whole plant is hanging on the hot lime-ash device for transferring in top, expands downwards with hot lime-ash device for transferring is whole.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (11)
1. hot ash-dregs cooler of fixed pressure-bearing, be connected with hot lime-ash device for transferring, comprise the working medium inlet header case for the heat-eliminating medium circulation, sender property outlet collection case and heat-exchanging part, it is characterized in that, described sender property outlet collection case is connected with the lime-ash entrance of described hot lime-ash device for transferring, described working medium inlet header case is connected with the lime-ash outlet of described hot lime-ash device for transferring, described heat-exchanging part is installed in the sealed cylinder and is communicated with described working medium inlet header case and described sender property outlet collection case respectively, described sealed cylinder is tightly connected with described working medium inlet header case and described sender property outlet collection case respectively, be provided with the slag space that falls of the free landing of heat supply lime-ash in the described heat-exchanging part so that described hot lime-ash carries out sufficient heat exchange with described heat-exchanging part in the landing process, described heat-exchanging part comprises a plurality of pipe groups, form the described slag space that falls between described a plurality of pipe group, described pipe group comprises standpipe and a plurality of serpentine tube, described standpipe two ends are communicated with described working medium inlet header case and described sender property outlet collection case respectively, described a plurality of serpentine tube is communicated with described standpipe respectively, the two ends of described a plurality of serpentine tubes are welded on the homonymy of same described standpipe respectively to form concentric diffraction shape structure, be provided with dividing plate in the described standpipe, described dividing plate is provided with the aperture that can allow micro-described heat-eliminating medium to pass through, and described dividing plate is arranged between the described serpentine tube two ends of inner ring on the described standpipe.
2. the hot ash-dregs cooler of fixed pressure-bearing as claimed in claim 1 is characterized in that, described a plurality of serpentine tubes are positioned on the line at center of the center of described sealed cylinder and described standpipe.
3. the hot ash-dregs cooler of fixed pressure-bearing as claimed in claim 1 is characterized in that, is tightly connected to form described sealed cylinder by band steel plate respectively between the adjacent described standpipe.
4. the hot ash-dregs cooler of fixed pressure-bearing as claimed in claim 3, it is characterized in that, be welded to connect for fillet weld between described band steel plate and described standpipe, the thickness addition of the thinnest part of two fillet welds on the every limit of described band steel plate is delivered on the described standpipe to guarantee the heat that described band steel plate absorbs more than or equal to the thickness of described band steel plate.
5. the hot ash-dregs cooler of fixed pressure-bearing as claimed in claim 3, it is characterized in that, described working medium inlet header case and described sender property outlet collection case are circular configuration, and described standpipe evenly is welded on according to uniform distances between described working medium inlet header case and the described sender property outlet collection case at circumferential direction.
6. as claim 1,2,3, the hot ash-dregs cooler of 4 or 5 described fixed pressure-bearings, it is characterized in that described working medium inlet header case and/or described sender property outlet collection case are bent by round steel pipe.
7. the hot ash-dregs cooler of fixed pressure-bearing as claimed in claim 6 is characterized in that, described standpipe and/or described serpentine tube are round steel pipe.
8. the hot ash-dregs cooler of fixed pressure-bearing as claimed in claim 7 is characterized in that, the diameter of described working medium inlet header case and/or described sender property outlet collection case is greater than the diameter of described standpipe, and the diameter of described standpipe is greater than the diameter of described serpentine tube.
9. as claim 1,2,3,4,5, the hot ash-dregs cooler of 7 or 8 described fixed pressure-bearings, it is characterized in that also comprise T type strengthening ring, described T type strengthening ring is installed on the described sealed cylinder outside surface.
10. as claim 1,2,3,4,5, the hot ash-dregs cooler of 7 or 8 described fixed pressure-bearings, it is characterized in that the outside surface of described sealed cylinder also is laid with lagging material.
11. as claim 1,2,3,4,5, the hot ash-dregs cooler of 7 or 8 described fixed pressure-bearings, it is characterized in that, described sender property outlet collection case is that flange is connected or doughnut-shaped steel plate connects with described lime-ash entrance, and described working medium inlet header case is connected for flange with described lime-ash outlet or doughnut-shaped steel plate connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110104009 CN102757822B (en) | 2011-04-25 | 2011-04-25 | Fixed-type pressure-bearing hot ash cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110104009 CN102757822B (en) | 2011-04-25 | 2011-04-25 | Fixed-type pressure-bearing hot ash cooling device |
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| Publication Number | Publication Date |
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| CN102757822A CN102757822A (en) | 2012-10-31 |
| CN102757822B true CN102757822B (en) | 2013-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110104009 Active CN102757822B (en) | 2011-04-25 | 2011-04-25 | Fixed-type pressure-bearing hot ash cooling device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106336904A (en) * | 2016-10-25 | 2017-01-18 | 东华工程科技股份有限公司 | Powdered coal gasification dry-process deslagging cooler |
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| GB568511A (en) * | 1942-04-16 | 1945-04-09 | Bbc Brown Boveri & Cie | Improvements in and relating to the removal of slag from furnaces |
| CN1140245A (en) * | 1995-08-09 | 1997-01-15 | 宋志安 | Cold cinder removing device |
| CN2477957Y (en) * | 2001-04-05 | 2002-02-20 | 乔文黄 | Appts. for removing high temp cinder |
| CN2493854Y (en) * | 2001-07-05 | 2002-05-29 | 乔文黄 | Film wall circular water channel type slag cooling and discharging device |
| CN2607518Y (en) * | 2003-03-27 | 2004-03-24 | 孙昭君 | Vertical shell-and-tube slag cooler |
| CN101251251A (en) * | 2008-04-17 | 2008-08-27 | 无锡太湖锅炉有限公司 | Device for cooling ash |
| CN202024342U (en) * | 2011-04-25 | 2011-11-02 | 烟台鑫丰源电站设备有限公司 | Fixed pressure-bearing hot ash cooler |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0763316A (en) * | 1993-08-24 | 1995-03-07 | Ishikawajima Harima Heavy Ind Co Ltd | Ash cooler for pressurized fluidized bed boiler |
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2011
- 2011-04-25 CN CN 201110104009 patent/CN102757822B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB568511A (en) * | 1942-04-16 | 1945-04-09 | Bbc Brown Boveri & Cie | Improvements in and relating to the removal of slag from furnaces |
| CN1140245A (en) * | 1995-08-09 | 1997-01-15 | 宋志安 | Cold cinder removing device |
| CN2477957Y (en) * | 2001-04-05 | 2002-02-20 | 乔文黄 | Appts. for removing high temp cinder |
| CN2493854Y (en) * | 2001-07-05 | 2002-05-29 | 乔文黄 | Film wall circular water channel type slag cooling and discharging device |
| CN2607518Y (en) * | 2003-03-27 | 2004-03-24 | 孙昭君 | Vertical shell-and-tube slag cooler |
| CN101251251A (en) * | 2008-04-17 | 2008-08-27 | 无锡太湖锅炉有限公司 | Device for cooling ash |
| CN202024342U (en) * | 2011-04-25 | 2011-11-02 | 烟台鑫丰源电站设备有限公司 | Fixed pressure-bearing hot ash cooler |
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