CN101762178B - Fluidization cooler - Google Patents
Fluidization cooler Download PDFInfo
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- CN101762178B CN101762178B CN200810225415A CN200810225415A CN101762178B CN 101762178 B CN101762178 B CN 101762178B CN 200810225415 A CN200810225415 A CN 200810225415A CN 200810225415 A CN200810225415 A CN 200810225415A CN 101762178 B CN101762178 B CN 101762178B
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- bellows
- blast cap
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Abstract
A fluidization cooler comprises a barrel, a wind box and a wind cap; the barrel is provided with a material feeding pipe and a material discharge pipe; the wind box is connected at the lower end of the barrel and is connected with a gas inlet pipe; the wind cap is installed between the wind box and the barrel; and the inner part of the barrel is communicated with the outer part of the wind box through the wind cap. In this invention, the fluidization cooler has good hot cooling state; the roasting material is not easy to bond; and the cooled roasting material can flow smoothly.
Description
Technical field
The present invention relates to a kind of fluidizing cooler.
Background technology
Fluidizing cooler is the equipment that is generally used for cooling off roasting material.For example, after material is through the calcining kiln roasting, need be transported to metallurgical furnace then and smelt through supercooling.
Traditional fluidizing cooler adopts tubular type boiling generator; Be that air is transported in the cooler through the airduct that gos deep into the cooler bottom from the outside; Wherein on the wall of airduct, offer a plurality of holes; Air through said a plurality of holes in cooler on flow, thereby in cooler, form boiling section, roasting material is discharged cooler then in the boiling section cooling.
Yet, adopt the boiling weak effect of traditional fluidizing cooler of tubular type boiling generator, so cooling effect is poor, roasting material flows smooth and often knot is dead, and the roasting material of bonding should not be discharged, and makes the problem that cooler can't normally move.
In addition, the pore volume on the airduct is prone to blocked, and roasting material is bonded on the pipe easily, therefore needs often to change or cleaning, thereby causes operating efficiency to descend.In addition, because the temperature in the cooler is higher, airduct is under the hot environment always, and reduce service life.
Summary of the invention
The present invention is intended to solve at least one of the problems referred to above that exist in the prior art.
For this reason, one object of the present invention is to propose that a kind of boiling and good cooling results, roasting material circulation are smooth and easy, roasting material is not easy bonding fluidizing cooler.
Fluidizing cooler according to the present invention comprises: cylindrical shell; Said cylindrical shell is provided with charge pipe and discharge nozzle; Said cylindrical shell comprises the top cylinder section and as fluid bed and the inner doffing section that is limited with boiling section, the lower ends of the upper end of wherein said doffing section and top cylinder section; Casing drum and discharge barrel; Said casing drum extend in the top cylinder section with discharge barrel from the outside and the lower end of said casing drum and said discharge barrel concordant with the lower surface of said top cylinder section respectively; Said charge pipe is connected on the sidewall of said casing drum, and said discharge nozzle is connected on the sidewall of said discharge barrel; Bellows, said bellows are connected the lower end of said cylindrical shell and are connected with air inlet pipe; And blast cap, said blast cap is installed between said bellows and the cylindrical shell, and the inside of the inside of said cylindrical shell and bellows is connected through said blast cap.
In addition, the fluidizing cooler according to the embodiment of the invention also has following additional technical feature:
Be cast with concrete layer around the said blast cap.
The lower end of said blast cap is fixed on the dividing plate between bellows and the said cylindrical shell and the upper end extends upward in cylindrical shell vertically.
Said concrete layer is cast on the entire cross section of said barrel, and the thickness of said concrete layer equates with the height that said blast cap extends in cylindrical shell.
Said blast cap is processed by metal tube, and the lower end of said metal tube is opened wide and upper end closed, and the upper end of said sealing is formed with the jet through hole of diameter less than the metal tube internal diameter.
Said casing drum and discharge barrel extend in the top cylinder section from the end face of top cylinder section vertically, and the lower end of the lower end of casing drum and discharge barrel is concordant with the lower surface of top cylinder section.
Said fluidizing cooler further comprises heat exchanger, and said heat exchanger is arranged in the said cylindrical shell and is connected with water inlet pipe and outlet pipe.The water outlet side of said heat exchanger is connected with blower line.
Said heat exchanger is the form of water-cooling jacket.
The lower end of said bellows is provided with slag-drip opening.
The taper that said bellows reduce for size from the top down gradually.
Fluidizing cooler according to the embodiment of the invention has one of advantage at least:
According to the fluidizing cooler of the embodiment of the invention, cancelled tubular type boiling generator, use bellows and cap structure instead, make the boiling cooling in order, be not easy to take place roasting material bonding phenomenon, the roasting material that is cooled circulation is smooth and easy.
According to the fluidizing cooler of the embodiment of the invention, the part that blast cap is positioned at cylindrical shell is cast with concrete layer on every side, thereby the protection blast cap has prolonged the life-span, has reduced cost.
According to the fluidizing cooler of the embodiment of the invention, blast cap simple in structure, easily manufactured, cost is low.
According to the fluidizing cooler of the embodiment of the invention, in cylindrical shell, be provided with heat exchanger, further strengthened cooling effect.
According to the fluidizing cooler of the embodiment of the invention, owing in cylindrical shell, be provided with casing drum and discharge barrel, make roasting material to be cooled and cooled roasting material not disturb each other, flowing of roasting material is more smooth and easy, and cooling effect is better.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize through practice of the present invention.
Description of drawings
Fig. 1 is that the structure master according to the fluidizing cooler of the embodiment of the invention looks sketch map;
Fig. 2 is the partial schematic sectional view according to the fluidizing cooler of the embodiment of the invention;
Fig. 3 is the sketch map of bowing according to the fluidizing cooler of the embodiment of the invention;
Fig. 4 is the structural representation according to the blast cap of the fluidizing cooler of the embodiment of the invention.
The specific embodiment
Describe embodiments of the invention below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the present invention, and can not be interpreted as limitation of the present invention.
Need to prove, in the present invention, term " on ", position relations such as D score, " laterally ", " vertically " are for based on position shown in the drawings relation, only be to describe the present invention for ease, and can not be interpreted as limitation of the present invention.
Fluidizing cooler according to the embodiment of the invention is described with reference to the drawings below.
Shown in Fig. 1-3, comprise cylindrical shell 100, bellows 8 and blast cap 9 according to the fluidizing cooler of the embodiment of the invention.The inside of cylindrical shell 100 defines a cavity, and cylindrical shell 100 is provided with charge pipe 1 and discharge nozzle 2, and charge pipe 1 is used for to cylindrical shell 100 in, adding roasting material to be cooled, calcining for example, and discharge nozzle 2 is used for cooled roasting material discharge.It will be appreciated that charge pipe 1 should be made broad understanding with discharge nozzle 2, for example they can be formed in cylindrical shell 100 lip-deep openings, also can be the one section pipes that is connected on the cylindrical shell 100.According to one embodiment of present invention, thermometer can be set on discharge nozzle 2 insert mouth 12, be used to insert the thermometer (not shown), so that measure from the temperature of the cooled roasting material of discharge nozzle 2 discharges.
The lower ends of the upper end of bellows 8 and cylindrical shell 100, and on bellows 8, for example on the sidewall of bellows 8, be connected with air inlet pipe 5, air inlet pipe 5 is used in bellows 8, supplying with compressed air.According to one embodiment of present invention, bellows 8 be shaped as taper and size reduces from the top down gradually.In addition, can also be provided with slag-drip opening 7, be used to discharge and to fall the roasting material in the bellows 8 from blast cap 9 in the lower end of bellows.
Blast cap 9 is installed between bellows 8 and the cylindrical shell 100; Thereby the inside of cylindrical shell 100 only the inside through blast cap 9 and bellows 8 to being communicated with; The compressed air that enters in the bellows 8 through air inlet pipe 5 thus gets into cylindrical shell 100 bottoms through blast cap 9; Boiling section F (as shown in Figure 2) is formed at the bottom at cylindrical shell 100, and the roasting material that joins in the cylindrical shell 100 through charge pipe 1 cools off the back through discharge nozzle 2 discharges in boiling section F.The quantity of blast cap 9 can be provided with as required, and in order to produce better boiling section F, blast cap 9 can be arranged in the bottom of cylindrical shell 100 equably.
Persons of ordinary skill in the art may appreciate that blast cap 9 also can adopt any suitable blast cap, just can as long as can form boiling section in the bottom of cylindrical shell 100.According to one embodiment of present invention, as shown in Figure 4, blast cap 9 is processed by metal tube, and the lower end of metal tube is opened wide and upper end closed, and the upper end of said sealing is formed with the jet through hole 91 of diameter d less than the metal tube inside diameter D.Because the diameter of jet through hole 91 less than the inside diameter D of metal tube, can increase the flow velocity that jet through hole 91 is ejected into the air in the cylindrical shell 100, thereby the boiling that forms in cylindrical shell 100 bottoms is effective, and then good cooling results.Adopt blast cap 9 as shown in Figure 4, simple in structure, low cost of manufacture, effective.
As shown in Figure 2, the further embodiment according to the present invention because the temperature in the cylindrical shell 100 is higher, in order to protect blast cap 9, can prevent to burn out blast cap 9 at the pouring layer 13 on every side of blast cap 9 thus, prolongs its service life.More specifically, the lower end of blast cap 9 is fixed on the dividing plate 81 between bellows 8 and the cylindrical shell 100 and the upper end extends upward in cylindrical shell 100 vertically.The lower end of blast cap 9 can be concordant with the lower surface of dividing plate 81 or outstanding from the lower surface of dividing plate 81 a little.The upper end of blast cap 9 extends upward in cylindrical shell 100 vertically; And the part of blast cap 9 in cylindrical shell 100 surrounded by concrete layer 13; And the thickness of concrete layer 13 equates with the height that blast cap 9 extends in cylindrical shell 100 substantially; Thereby protect blast cap 9 better, concrete layer 13 can be cast on the entire cross section of inside of cylindrical shell 100.
As stated; Be provided with dividing plate 81 between bellows 8 and the cylindrical shell 100; Blast cap 9 is installed on the dividing plate 81, it will be appreciated that, dividing plate 81 can be arranged on the independent parts between bellows 8 and the cylindrical shell 100; The lower end of the upper end of bellows 8 and cylindrical shell 100 is opened wide at this moment, and isolates simultaneously through blast cap 9 connections through dividing plate 81 between them; Dividing plate 81 also can be integral with bellows 8, and promptly dividing plate 81 forms the top board of bellows 8, and this moment, the upper end of bellows 8 was opened wide by the lower end of dividing plate 81 sealings and cylindrical shell 100, and was communicated with through blast cap 9 between them; Alternatively, dividing plate 81 also can be integral with cylindrical shell 100, and promptly dividing plate 81 forms the base plate of cylindrical shell 100.As shown in Figure 2, can be formed with adpting flange respectively in the upper end of bellows 8 and the lower end of cylindrical shell 100, be used to connect bellows 8 and cylindrical shell 100, and between the adpting flange of dividing plate 81 and bellows 8 and cylindrical shell 100, sealing gasket can be set, be used to increase sealing property.
Shown in Fig. 1-3, in order to increase cooling effect, in cylindrical shell 100, be provided with heat exchanger, heat exchanger is connected with water inlet pipe 3 and outlet pipe 4 respectively.According to one embodiment of present invention, heat exchanger is the form of water-cooling jacket.Owing to be provided with heat exchanger, can further increase cooling effect to roasting material.Owing to possibly become the form of steam through the cooling water part of heat exchange; Thereby cause the pressure in the heat exchanger outlet pipe 4 to raise; Therefore blower line 6 can be set at the water outlet side of heat exchanger; On blower line 6, pressure valve can also be set, when the pressure of the water outlet side of heat exchanger increases to a certain degree, can exhaust steam.
Shown in Fig. 1-3; According to one embodiment of present invention; Cylindrical shell 100 is divided into top cylinder section 100A and doffing section 100B; Wherein the lower ends charge pipe 1 of the upper end of doffing section 100B and top cylinder section 100A is connected on the top cylinder section 100A with discharge nozzle 2, and the inside of doffing section 100B limits boiling section F, thereby doffing section 100B is as fluid bed.In order to protect doffing section 100B, can on the internal perisporium of doffing section 100B, concrete layer be set as fluid bed.
In order further to increase cooling effect; The roasting material that prevents to add with cooled with the roasting material that is discharged from mutual interference mutually; Further comprise casing drum 101 and discharge barrel 102 according to fluidizing cooler of the present invention, as illustrated in fig. 1 and 2, casing drum 101 extends in the top cylinder section 100A from the outside with discharge barrel 102; Charge pipe 1 is connected on the sidewall of casing drum 101 with being inclined upwardly, and discharge nozzle 2 dips down and tiltedly is connected on the sidewall of discharge barrel 102.More specifically; Casing drum 101 extends in the top cylinder section 100A with the end face of discharge barrel 102 from top cylinder section 100A vertically; And the lower end of the lower end of casing drum 101 and discharge barrel 102 is concordant with the lower surface of top cylinder section 100A, and is in other words, concordant with the end face of doffing section 100B.Under the situation that is provided with casing drum 101 and discharge barrel 102, the waterway of water-cooling jacket is immersed in the cooling water outer wall of casing drum 101 and discharge barrel 102, has further increased cooling effect thus.Certainly, the layout of heat exchanger is not limited to this, for example also can on the inwall of top cylinder section 100A and doffing section 100B, heat exchanger be set simultaneously.In operating process; Roasting material enters in the boiling section F from casing drum 101; Under the compressed-air actuated effect of blast cap 9 ejections; Roasting material forms fluidization and cools off in boiling section, discharge through discharge barrel 102 then, has therefore avoided the roasting material to be cooled and the mutual interference mutually of cooled roasting material that add.
As stated, on discharge nozzle 2, be provided with thermometer and insert mouthfuls 12, be used to measure the temperature of the roasting material of discharge.Correspondingly, in that thermometer insertion mouth 11 also can be set on the sidewall of casing drum 101 or on the sidewall of charge pipe 1, be used to insert thermometer so that measure the temperature of the roasting material that adds.
According to another embodiment of the present invention, as shown in Figure 2, heat exchanger also is provided with adjutage 10, is used for when cooler quits work, emitting the cooling water in the heat exchanger.
Operation according to the fluidizing cooler of the embodiment of the invention is described with reference to the drawings below.
In cylindrical shell 100, add roasting material from charge pipe 1 through casing drum 101; The zinc concentrate after the desulfurization (calcining) for example, roasting material gets under the guiding of casing drum 101 in the boiling section F, in bellows 8, supplies with compressed air through air inlet pipe 5; Compressed air is injected in the boiling section F through blast cap 9; Thereby roasting material fluidization in boiling section F, and heat exchanger walks the exchange heat of roasting material, thus roasting material is cooled; Cooled roasting material gets in the discharge barrel 102 in boiling section F, and discharges through discharge nozzle 2.In said process, roasting material possibly fall in the bellows 8 through blast cap 9, and this can be through the roasting material in the slag-drip opening 7 discharge bellows 9.
Thus, according to the fluidizing cooler of the embodiment of the invention, the boiling effect produces through bellows 8 and blast cap 9, therefore seethe with excitement effect and good cooling results, and roasting material is not easy to take place the bonding phenomenon, and the circulation of the roasting material that is cooled is smooth and easy, and blast cap 9 is not easy to stop up.
And then, owing to around blast cap 9, be provided with concrete layer 13, blast cap 8 has been played protective effect, prolonged the life-span of blast cap 9, reduce maintenance and more change jobs, saved manpower and materials.
In addition, through casing drum 101 and discharge barrel 102 are set, avoided treating cold roasting material and the mutual interference mutually of cooled roasting material, the circulation of roasting material is more smooth and easy.
Although illustrated and described embodiments of the invention; For those of ordinary skill in the art; Be appreciated that under the situation that does not break away from principle of the present invention and spirit and can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited accompanying claims and equivalent thereof.
Claims (11)
1. a fluidizing cooler is characterized in that, comprising:
Cylindrical shell, said cylindrical shell is provided with charge pipe and discharge nozzle, and said cylindrical shell comprises the top cylinder section and as fluid bed and the inner doffing section that is limited with boiling section, the lower ends of the upper end of wherein said doffing section and top cylinder section;
Casing drum and discharge barrel; Said casing drum extend in the top cylinder section with discharge barrel from the outside and the lower end of said casing drum and said discharge barrel concordant with the lower surface of said top cylinder section respectively; Said charge pipe is connected on the sidewall of said casing drum, and said discharge nozzle is connected on the sidewall of said discharge barrel;
Bellows, said bellows are connected the lower end of said cylindrical shell and are connected with air inlet pipe; With
Blast cap, said blast cap is installed between said bellows and the cylindrical shell, and the inside of the inside of said cylindrical shell and bellows is connected through said blast cap.
2. fluidizing cooler according to claim 1 is characterized in that, is cast with concrete layer around the said blast cap.
3. fluidizing cooler according to claim 2 is characterized in that, the lower end of said blast cap is fixed on the dividing plate between bellows and the cylindrical shell and the upper end extends upward in cylindrical shell vertically.
4. fluidizing cooler according to claim 3 is characterized in that, said concrete layer is cast on the entire cross section of said barrel, and the thickness of said concrete layer equates with the height that said blast cap extends in cylindrical shell.
5. fluidizing cooler according to claim 1 is characterized in that said blast cap is processed by metal tube, and the lower end of said metal tube is opened wide and upper end closed, and the upper end of said sealing is formed with the jet through hole of diameter less than the metal tube internal diameter.
6. fluidizing cooler according to claim 1 is characterized in that, said casing drum and discharge barrel extend in the top cylinder section from the end face of top cylinder section vertically, and the lower end of the lower end of casing drum and discharge barrel is concordant with the lower surface of top cylinder section.
7. fluidizing cooler according to claim 1 is characterized in that, further comprises heat exchanger, and said heat exchanger is arranged in the said cylindrical shell and is connected with water inlet pipe and outlet pipe.
8. fluidizing cooler according to claim 7 is characterized in that the water outlet side of said heat exchanger is connected with blower line.
9. fluidizing cooler according to claim 7 is characterized in that, said heat exchanger is the form of water-cooling jacket.
10. fluidizing cooler according to claim 1 is characterized in that the lower end of said bellows is provided with slag-drip opening.
11. fluidizing cooler according to claim 1 is characterized in that, the taper that said bellows reduce for size from the top down gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810225415A CN101762178B (en) | 2008-10-29 | 2008-10-29 | Fluidization cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810225415A CN101762178B (en) | 2008-10-29 | 2008-10-29 | Fluidization cooler |
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| Publication Number | Publication Date |
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| CN101762178A CN101762178A (en) | 2010-06-30 |
| CN101762178B true CN101762178B (en) | 2012-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200810225415A Active CN101762178B (en) | 2008-10-29 | 2008-10-29 | Fluidization cooler |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435080A (en) * | 2011-09-09 | 2012-05-02 | 哈尔滨工业大学 | Stepped differential-velocity fluidized bed cooler |
| CN103047879A (en) * | 2011-10-14 | 2013-04-17 | 王岩 | Solid particle cooling device |
| CN109357558B (en) * | 2018-11-19 | 2024-02-13 | 中冶焦耐(大连)工程技术有限公司 | Nitrogen direct cooling and cooling water cooling combined cooler |
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| US3982901A (en) * | 1975-06-25 | 1976-09-28 | Dorr-Oliver Incorporated | Heat transfer element and tuyere for fluidized bed reactor |
| BE882718A (en) * | 1979-04-30 | 1980-07-31 | Cpc International Inc | IMPROVEMENTS IN AND / OR RELATING TO FLUIDIFIED BED EQUIPMENT |
| CN2217174Y (en) * | 1994-11-28 | 1996-01-10 | 邵占春 | Fluidised bed cooling dross device |
| US6138377A (en) * | 1999-07-21 | 2000-10-31 | United States Gypsum Company | Apparatus and process for cooling and de-steaming calcined stucco |
| CN2753967Y (en) * | 2004-12-03 | 2006-01-25 | 西安热工研究院有限公司 | Circulating fluidized bed boiler bottom slag cooler |
| CN101101113A (en) * | 2007-07-12 | 2008-01-09 | 重庆大学 | Composite type cold slag device |
| EP1933104A1 (en) * | 2006-12-14 | 2008-06-18 | Braunschweigische Maschinenbauanstalt AG | Method and device for conditioning free-flowing fluidisable bulk solids |
| CN201285233Y (en) * | 2008-10-29 | 2009-08-05 | 中国恩菲工程技术有限公司 | Fluidizing cooler |
-
2008
- 2008-10-29 CN CN200810225415A patent/CN101762178B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3982901A (en) * | 1975-06-25 | 1976-09-28 | Dorr-Oliver Incorporated | Heat transfer element and tuyere for fluidized bed reactor |
| BE882718A (en) * | 1979-04-30 | 1980-07-31 | Cpc International Inc | IMPROVEMENTS IN AND / OR RELATING TO FLUIDIFIED BED EQUIPMENT |
| CN2217174Y (en) * | 1994-11-28 | 1996-01-10 | 邵占春 | Fluidised bed cooling dross device |
| US6138377A (en) * | 1999-07-21 | 2000-10-31 | United States Gypsum Company | Apparatus and process for cooling and de-steaming calcined stucco |
| CN2753967Y (en) * | 2004-12-03 | 2006-01-25 | 西安热工研究院有限公司 | Circulating fluidized bed boiler bottom slag cooler |
| EP1933104A1 (en) * | 2006-12-14 | 2008-06-18 | Braunschweigische Maschinenbauanstalt AG | Method and device for conditioning free-flowing fluidisable bulk solids |
| CN101101113A (en) * | 2007-07-12 | 2008-01-09 | 重庆大学 | Composite type cold slag device |
| CN201285233Y (en) * | 2008-10-29 | 2009-08-05 | 中国恩菲工程技术有限公司 | Fluidizing cooler |
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| CN101762178A (en) | 2010-06-30 |
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Application publication date: 20100630 Assignee: Hunan Zhuye Nonferrous Metals Co.,Ltd. Assignor: CHINA ENFI ENGINEERING Corp. Contract record no.: X2022980011974 Denomination of invention: Fluidized cooler Granted publication date: 20121017 License type: Common License Record date: 20220809 |