CN203319269U - Powder fluidization and ventilation device - Google Patents
Powder fluidization and ventilation device Download PDFInfo
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- CN203319269U CN203319269U CN2013203606512U CN201320360651U CN203319269U CN 203319269 U CN203319269 U CN 203319269U CN 2013203606512 U CN2013203606512 U CN 2013203606512U CN 201320360651 U CN201320360651 U CN 201320360651U CN 203319269 U CN203319269 U CN 203319269U
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- coil pipe
- powder
- porous coil
- fluidization
- powder fluidization
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Abstract
The utility model provides a powder fluidization and ventilation device which comprises a porous coil pipe, fixing pieces, bent pipes and flanges, wherein the porous coil pipe is formed by spiraling pipelines provided with micropores and mounted to the inner wall of a powder storage tank or a support prearranged in the powder storage tank through the fixing pieces, and two ends of each section of the porous coil pipe are connected with the bent pipes and then connected with an inner connecting pipe and an outer connecting pipe which are welded on the powder storage tank through the flanges. The powder fluidization and ventilation device not only can guarantee the fluidization effect of powder, but also can solve the problems that a powder ventilation device is prone to damage and inconvenient to design, machine and maintain.
Description
Technical field
The utility model relates to a kind of device of the powder fluidization for delivery of powder state solid material, especially relates to a kind of powder fluidization breather.
Background technology
In industries such as metallurgy, chemical industry and cement, often need to carry powder state solid material at present.For the conveying of powder state solid material, if adopt the mode of fluidisation in advance, can significantly improve the solid-gas ratio that strength is carried, its prerequisite must have well behaved aeration equipment, guarantees that powder can obtain good fluidized state.If aeration equipment selects improper or function is not good, can cause powder in poor fluidized state, cause powder in course of conveying, easily stockpile in duct bottom; Meeting blocking pipe when serious, cause strength to carry and can't carry out.In addition, for powder conveying apparatus, the selection of aeration equipment also affects investment, construction and the operating cost of package unit.
For performance aeration equipment preferably, the disclosed patented technology of latest domestic is divided into two kinds at present.A kind ofly take the aeration equipment of the taper with inner chamber (ventilation cone) that patent CN201493478U, CN201495203U, CN201864703U be representative, a kind ofly take the board-like aeration equipment with the fluidisation air chamber (vent board) that patent CN201424293Y is representative.
" the circular cone bench-type of hollow take the sintering metal multi-hole conical that corrosion-resistant steel, titanium, nickel or nickel alloy be material " of patent CN201493478U invention is fixed in the inside of taper delivery duct, the fluidizing gas passed into from outside, enter the inner chamber that cone and conical pipeline form, from the cone surface escaping, the fluidisation powder material.Although the sintering metal multi-hole conical industrial applications shown in this patent is more, complex structure, involve great expense, and is of limited application, and also easily damages, and is difficult for maintenance.
Patent CN201495203U and CN201864703U all announce a kind of aeration equipment of mechanical tapping formula, its outward appearance and the described equipment of patent CN201493478U there is no significant difference, be the truncated cone of hollow, difference is to adopt the steel plate of perforate, rather than adopts sintering metal to make the inner chamber wall.The key distinction between CN201495203U and CN201864703U is the size of micropore size and cone cone angle.The shortcomings such as these two patents all exist the indifferent gas consumption large, and there are contradiction in smooth and easy blanking and solid-gas ratio, and inner chamber easily enters powder, not quick detachable, and fluid effect is not good.
The aeration equipment that patent CN201424293Y addresses mainly consists of micropore fluidized plate and housing.The micropore fluidized plate is arranged on the below of powder conveying tank, and housing, in the bottom of micropore fluidized plate, forms the fluidisation air chamber with the micropore fluidized plate.Fluidized gas enters the powder conveying tank from the fluidisation air chamber, and the fluidisation powder is sent powder from the delivery pipe of upper end.The micropore fluidized plate of this patent adopts improved arcs of recesses, can reduce the loss of inertia fluidized gas, but also has complex structure, the shortcoming such as not quick detachable.
The utility model content
The purpose of this utility model is to provide a kind of powder fluidization breather that can be used for powder fluidization, the fluidisation aeration equipment that major part is the porous coil pipe (ventilation big gun), described powder fluidization breather can not only guarantee the fluid effect of powder, also can solve the powder aeration equipment and be easy to damage, be not easy to the problem of design, processing and maintenance.
The purpose of this utility model is achieved through the following technical solutions:
A kind of powder fluidization breather, comprise porous coil pipe, connecting element, bend pipe and flange, described porous coil pipe is spiraled and is made by the pipeline that is provided with micropore, described porous coil pipe is arranged on support preset in the inwall of powder basin or powder basin by connecting element, the two ends of every section porous coil pipe are connected with bend pipe, then are connected with inner connecting tube, extension tube attached on being welded on the powder basin by flange.
The material of the pipeline that described porous coil pipe is selected is carbon steel, corrosion-resistant steel, chromium, nickel, titanium or nickel alloy, and its micropore forms by machine up or laser drill, and described porous coil pipe is tubular, truncated cone, with truncated cone or the polygon trapezoidal shape of neck.
The tube wall cone angle of described porous coil pipe is 0～75 °, and caliber is 5～90mm.
The percent opening of described porous disc tube-surface is 0.002～20%, and the micro-pore diameter of porous coil pipe is 0.01～8mm.
The perforate orientation of described micropore is circumferentially uniform along the porous coil pipe, is distributed in side top and the side-lower of porous coil pipe.
The resistance to compression value of described porous coil pipe is 1～20MPa.
The number of turn of described porous coil pipe is 1～30, and pitch of turn is 5～100mm.
One end of described porous coil pipe extend into delivery duct and forms the pipeline coil section, and its pipeline spirals external diameter for [D～(D-30)] mm, and is not less than 1/3 of D, and D means the internal diameter of delivery duct.
The admission port of described porous coil pipe, the quantity of air extractor duct are 1～24.
The bottom of described powder basin is delivery duct, and described powder basin and delivery duct are fixed by flange.
The beneficial effect of technical solutions of the utility model is described:
1, adopt void channels to replace expensive sintering metal to manufacture aeration equipment, can significantly reduce the investment of this kind equipment;
2, the porous coil pipe can bear higher pressure reduction, and specialities can bear the pressure reduction up to 20MPa, not fragile;
3, the porous coil pipe, at run duration, can be removed the powder that enters breather line, is difficult for stopping up;
4, porous coil pipe and powder basin be connected and fixing comparatively simple, be convenient to maintenance and change, reduced operation expense;
5, porous coil pipe and powder basin be connected and fixed form can be determined on a case-by-case basis, simplified the Design and manufacture of powder basin.
The accompanying drawing explanation
Fig. 1 is the schematic diagram of embodiment of the present utility model, wherein, and 1, the porous coil pipe; 2, connecting element; 3, bend pipe; 4, flange; 5, inner connecting tube; 6, powder basin; 7, flange; 8, delivery duct; 9, extension tube attached; 10, flange;
Fig. 2 is the schematic diagram of porous coil pipe in embodiment, wherein, and n: the number of turn; а: cone angle; H: circle is high; R: void channels radius; D: the pipeline external diameter that spirals; D: delivery duct internal diameter;
Fig. 3 is the schematic diagram of the profile example of porous coil pipe.
The specific embodiment
Below in conjunction with accompanying drawing and concrete case study on implementation, the utility model is described in detail.
As shown in Figure 1, the schematic diagram of porous coil pipe as shown in Figure 2 for the structural representation of the powder fluidization breather that the utility model provides.
Described powder fluidization breather comprises porous coil pipe 1, connecting element 2, bend pipe 3 and flange 4, and porous coil pipe 1, by machine up or laser drill, has the micropore of some.
The material of porous coil pipe 1 is carbon steel, corrosion-resistant steel, chromium, nickel, titanium or nickel alloy; The а angle of porous coil pipe 1 is 0～75 °, and caliber 2r is 5～90mm, and the micropore size on surface is 0.01～8mm, and percent opening is 0.002～20%, and the perforate orientation of described micropore is circumferentially uniform along the porous coil pipe, is distributed in side top and the side-lower of porous coil pipe.
The resistance to compression value of porous coil pipe 1 is 1～20MPa, and number of turn n is 1～30, and pitch of turn h is 0～100mm; The part that porous coil pipe 1 stretches into delivery duct 8 forms the pipeline coil section, and its pipeline spirals outside diameter d for [D～(D-30)] mm, is not less than 1/3 of D, and D means the internal diameter of delivery duct, and the inlet, outlet of porous coil pipe 1 is 1～24.
The use procedure of the utility model porous coil pipe aeration equipment is that the connecting element 2 by porous coil pipe 1, be fixed in porous coil pipe 1 inwall of powder basin 6, or be fixed in the interior preset support of powder basin 6; Every section porous coil pipe 1 two ends are connected with bend pipe 3, then with the inner connecting tube 5 that is welded in powder basin 6 and extension tube attached 9, are connected with flange 10 by flange 4.The bottom of described powder basin is delivery duct, and described powder basin 6 and delivery duct 8 are fixing by flange 7.
A certain amount of unreactable gas, as fluidizing gas, by extension tube attached 9 and inner connecting tube 5, enters porous coil pipe 1, by the micropore on porous coil pipe 1 surface, is evenly distributed on the tapering of powder basin 6; Enter the powder of powder basin 6, under the effect of fluidized gas, enter delivery duct 8 together with fluidized gas, realize the stable conveying of powder, prevent that powder is in ducted deposition.The porous coil pipe aeration equipment in difformity, material, size and aperture is applicable to different conveying environment and carries requirement.
As shown in Figure 3, it is the example of several shapes of porous coil pipe, select carbon steel, corrosion-resistant steel, chromium, nickel, titanium and nickel alloy pipeline, by machine up or laser drill, get out the micropore of some on pipeline, recircle into tubular, circular cone bench-type, with analogous shapes such as the circular cone bench-type of neck or polygon halfpaces, form the porous coil pipe.
For the porous coil pipe of upper end band neck, stretch into the part of feed pipe, its external diameter is determined according to the internal diameter of matching requirements and feed pipe.
Porous coil pipe ventilation member is not limited to shape shown in Fig. 3, comprises given shape and structure according to the design of powder basin and ventilation requirement proposition.
Claims (10)
1. a powder fluidization breather, it is characterized in that: comprise porous coil pipe, connecting element, bend pipe and flange, described porous coil pipe is spiraled and is made by the pipeline that is provided with micropore, described porous coil pipe is arranged on support preset in the inwall of powder basin or powder basin by connecting element, the two ends of every section porous coil pipe are connected with bend pipe, then are connected with inner connecting tube, extension tube attached on being welded on the powder basin by flange.
2. powder fluidization breather according to claim 1, it is characterized in that: the material of the pipeline that described porous coil pipe is selected is carbon steel, corrosion-resistant steel, chromium, nickel, titanium or nickel alloy, its micropore forms by machine up or laser drill, and described porous coil pipe is tubular, truncated cone, with truncated cone or the polygon trapezoidal shape of neck.
3. powder fluidization breather according to claim 1, it is characterized in that: the tube wall cone angle of described porous coil pipe is 0～75 °, caliber is 5～90mm.
4. powder fluidization breather according to claim 1, it is characterized in that: the percent opening of described porous disc tube-surface is 0.002～20%, the micro-pore diameter of porous coil pipe is 0.01～8mm.
5. powder fluidization breather according to claim 1, it is characterized in that: the perforate orientation of described micropore is circumferentially uniform along the porous coil pipe, is distributed in side top and the side-lower of porous coil pipe.
6. powder fluidization breather according to claim 1, it is characterized in that: the resistance to compression value of described porous coil pipe is 1～20MPa.
7. powder fluidization breather according to claim 1, it is characterized in that: the number of turn of described porous coil pipe is 1～30, pitch of turn is 5～100mm.
8. powder fluidization breather according to claim 1, it is characterized in that: an end of described porous coil pipe extend into delivery duct and forms the pipeline coil section, its pipeline spirals external diameter for [D～(D-30)] mm, and is not less than 1/3 of D, and D means the internal diameter of delivery duct.
9. powder fluidization breather according to claim 1, it is characterized in that: the admission port of described porous coil pipe, the quantity of air extractor duct are 1～24.
10. powder fluidization breather according to claim 1, it is characterized in that: the bottom of described powder basin is delivery duct, described powder basin and delivery duct are fixed by flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203606512U CN203319269U (en) | 2013-06-21 | 2013-06-21 | Powder fluidization and ventilation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203606512U CN203319269U (en) | 2013-06-21 | 2013-06-21 | Powder fluidization and ventilation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203319269U true CN203319269U (en) | 2013-12-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203606512U Withdrawn - After Issue CN203319269U (en) | 2013-06-21 | 2013-06-21 | Powder fluidization and ventilation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203319269U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103496593A (en) * | 2013-06-21 | 2014-01-08 | 北京神雾环境能源科技集团股份有限公司 | Powder fluidization venting device |
-
2013
- 2013-06-21 CN CN2013203606512U patent/CN203319269U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103496593A (en) * | 2013-06-21 | 2014-01-08 | 北京神雾环境能源科技集团股份有限公司 | Powder fluidization venting device |
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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 |
Granted publication date: 20131204 Effective date of abandoning: 20160525 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |