CN2743032Y - Through flow type gas solid separator - Google Patents
Through flow type gas solid separator Download PDFInfo
- Publication number
- CN2743032Y CN2743032Y CN 200420009862 CN200420009862U CN2743032Y CN 2743032 Y CN2743032 Y CN 2743032Y CN 200420009862 CN200420009862 CN 200420009862 CN 200420009862 U CN200420009862 U CN 200420009862U CN 2743032 Y CN2743032 Y CN 2743032Y
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- Prior art keywords
- separator
- gas
- solid
- flow type
- cylindrical shell
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- Expired - Lifetime
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Abstract
The utility model relates to a through flow type air solid separator, relating to a gas solid separation device used for the coal-burning boiler and the chemical equipment. The separator is characterized in that bar-shaped fins are provided along the axis direction of the tube body on the inner wall of the tube body, and moreover, the fins are slantingly arranged along the inner wall of the tube body. The gas solid separator organically combines a centrifugal separator and a striking separator into integration; after the gas solid blend enters into the separator, the element of prompting the separation of the gas and solid is not only due to the centrifugal settling function, but also due to the inertia and the filtering function. Under the function of the synthetical separation, the separating efficiency is largely improved especially for the separation of the blend having the large granule. The through flow type air solid separator also has the advantages of simple structure and small ground occupying. The traditional arranging shape of the boiler can be kept; the through flow type air solid separator is especially suitable for the reconstruction of the chain boiler.
Description
Technical field
The utility model relates to a kind of gas-solid separating device, belongs to gas solid separation technical field in coal-burning boiler and the chemical industry equipment.
Background technology
Gas-solid separator is one of critical component of CFBB, is the important component part of main circulation loop.The separator that is used for CFBB at present mainly contains decanter type separator, impacting type separator, cyclone separator; Wherein be most widely used with cyclone separator again.Sedimentation separation is to utilize the effect of gravitational field to make solid particle and gas generation relative motion, flow at the bottom of wall, the device or other deposition surfaces grain orientation, the decanter type cyclone separator arrangement is the simplest, cost is low, but gas speed is lower, equipment is very huge, and floor space is bigger, generally is applicable to the low-temperature flue gas dedusting under the less condition of solid concentration in the gas.The impacting type separator mainly utilizes the bump principle to realize gas solid separation, whole piece volumes is less, can well satisfy the requirement of Compact Design, but it is to not ideal enough than the separating effect of minor diameter material, under the circulation fluidized bed condition, generally can not use separately, the use of need connecting with the separator of other form also is applied to the bubbling bed of follow-on band fly ash refiring sometimes; The impacting type separator has various forms, as grooved separator, labyrinthine separator etc.Cyclone separator (as Fig. 1) utilizes action of centrifugal force, realizes gas solid separation in Three-dimensional Flow, has the advantages that separative efficiency is higher, resistance is bigger, is widely used in CFBB; It is the square whirlwind tube of regular polygon for circular whirlwind tube, cross section that the present main pattern of cyclone separator has the cross section of various thermal insulation or cooled, but its volume ratio is bigger, the locus is basic identical with the volume of combustion chamber, and not too is applicable to the gas-solid mixture that separating particles is bigger.
The utility model content
The purpose of this utility model provides a kind of throughflow type gas-solid separator, makes it further improve the separating effect of gas-solid separator, more is applicable to the gas-solid mixture that separating particles is bigger simultaneously.
The technical solution of the utility model is as follows: a kind of throughflow type gas-solid separator, comprise that its top is that cylinder, bottom are the cylindrical shell of cone, side at described cylinder is provided with air inlet, top at cylinder is provided with the gas outlet, it is characterized in that: the tubular axis direction is provided with the bar shaped fin in described cylinder inboard wall upper edge; Described fin is along the oblique layout of cylinder inboard wall, and the tangent line at this fin and cylindrical shell intersection point place becomes 30～60 °, and its incline direction is opposite with the direction of rotation of air-flow in the cylindrical shell; Fin height is 1/10～1/8 of a cylindrical shell radius.
The utility model compared with prior art, have the following advantages and the high-lighting effect: this throughflow type gas-solid separator organically unites two into one whizzer and impingement separators, after gas-solid mixture enters separator, impel the factor of gas solid separation that the centrifugal sedimentation effect is not only arranged, also have the effect of inertia and filtration.On the one hand under action of centrifugal force, solid particle and gas generation relative motion, solid particle directionally flows to wall; On the other hand, because solid particle and gas density is different, when the flow direction of gas-solid mixture changes, the big solid particle of inertia is the malleable flow direction not, hit fin, fin height all can not be crossed fin with interior solid particle during gas flow, is enriched in wall, finally all can slide into solid particle collection place of cylinder inboard wall least significant end under the gravity effect.Under this comprehensive centrifugation, separative efficiency is greatly improved.And simple in structure, floor space is little, can keep the traditional arrangement shape of boiler.
Description of drawings
Fig. 1 is the structural representation of the cyclone separator that uses in the prior art.
The inwall that Fig. 2 provides for the utility model has the structural representation of the throughflow type gas-solid separator that separates fin.
Fig. 3 is the A-A sectional drawing of Fig. 2.
The specific embodiment
Below in conjunction with accompanying drawing concrete structure of the present utility model and best enforcement are further described.
As shown in Figures 2 and 3, this throughflow type gas-solid separator comprises that its top is that cylinder, bottom are the cylindrical shell 3 of cone, be provided with air inlet 1 in the side of described cylinder, be provided with gas outlet 2 at the top of cylinder and be arranged on the cylinder inboard wall and along the bar shaped fin 4 of tubular axis direction, the bar shaped fin vertically distributes.The cross section of described cylinder can be circular or square.
Fig. 3 is the A-A sectional drawing of Fig. 2.Fin 4 is along the oblique layout of cylinder inboard wall, and the tangent line at this fin and cylindrical shell intersection point place becomes 30～60 °, and the direction of rotation 5 of air-flow is opposite in its incline direction and the cylindrical shell, can prevent effectively that like this solid particle that fin cuts down from being taken away by air-flow again.The height of fin be generally the cylindrical shell radius (when the upper post body section when being square its radius get the length of side 1/2) 1/10～1/8, along the bottom cone of cylindrical shell 3 from top to bottom the height of fin evenly be decreased to zero; The even distribution of fin on the cylinder inboard wall circumference.
Claims (2)
1, a kind of throughflow type gas-solid separator, comprise that its top is that cylinder, bottom are the cylindrical shell of cone, side at described cylinder is provided with air inlet, is provided with the gas outlet at the top of cylinder, it is characterized in that: the tubular axis direction is provided with the bar shaped fin in described cylinder inboard wall upper edge; Described fin is along the oblique layout of cylinder inboard wall, and the tangent line at this fin and cylindrical shell intersection point place becomes 30～60 °, and its incline direction is opposite with the direction of rotation of air-flow in the cylindrical shell; Fin height is 1/10～1/8 of a cylindrical shell radius.
2. according to the described gas-solid separator of claim 1, it is characterized in that: its cross section of described cylindrical shell is for circular or square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420009862 CN2743032Y (en) | 2004-11-12 | 2004-11-12 | Through flow type gas solid separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420009862 CN2743032Y (en) | 2004-11-12 | 2004-11-12 | Through flow type gas solid separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2743032Y true CN2743032Y (en) | 2005-11-30 |
Family
ID=35633053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420009862 Expired - Lifetime CN2743032Y (en) | 2004-11-12 | 2004-11-12 | Through flow type gas solid separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2743032Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298433C (en) * | 2004-11-12 | 2007-02-07 | 清华大学 | Through flow type air-solid separator |
-
2004
- 2004-11-12 CN CN 200420009862 patent/CN2743032Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298433C (en) * | 2004-11-12 | 2007-02-07 | 清华大学 | Through flow type air-solid separator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20041112 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |