CN201424293Y - Powder fluidization conveying device - Google Patents
Powder fluidization conveying device Download PDFInfo
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- CN201424293Y CN201424293Y CN2009201719539U CN200920171953U CN201424293Y CN 201424293 Y CN201424293 Y CN 201424293Y CN 2009201719539 U CN2009201719539 U CN 2009201719539U CN 200920171953 U CN200920171953 U CN 200920171953U CN 201424293 Y CN201424293 Y CN 201424293Y
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- fluidisation
- powder
- micropore
- lower cone
- plate
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- 238000005243 fluidization Methods 0.000 title claims abstract description 109
- 239000000843 powder Substances 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model discloses a powder fluidization conveying device, which comprises a powder conveying tank lower cone (2), a fluidization powder feeding pipe (1), a micropore fluidization plate (7) and a shell body (9), wherein the lateral surfaces and the bottom of the shell body (9) are provided with fluidization gas guiding pipes (8), the shell body (9) is arranged under a flange (4) of the conveying tank lower cone (2), the micropore fluidization plate (7) is arranged between the flange (4) of the powder conveying tank lower cone (2) and a flange (6) of the shell body (9), the shape of the micropore fluidization plate (7) is a spherical structure which is concave downward, a space is left between the micropore fluidization plate (7) and the shell body (9) to be used as a fluidizationgas chamber (10), and the fluidization powder feeding pipe (1) is installed on a locating sleeve (11) on the powder conveying tank lower cone (2). The powder fluidization conveying device not only improves the powder conveying efficiency and the powder conveying quantity, is more stable and uniform during the fluidization conveying process, but also has compact structure, is simple and practical,is convenient to maintain and repair, and saves the investment of the device.
Description
Technical field
The utility model relates to powder fluidization feedway in a kind of powder delivery system, particularly a kind of top discharge fluidisation feedway that is used for other powdery media such as metallurgical industry stove, kiln winding-up powder and cement.
Background technology
At present, there is multiple pattern in the structure that is applied to the powder fluidizer in the powder conveying jar of metallurgical furnace, kiln, and its characteristics are had nothing in common with each other, and what generally adopt is the top discharge mode, and what wherein powder is played rheomorphism is flat fluidisation plate.For possessing stable source of the gas and even-grained powder, need only assurance and go into the stable and suitable of strength parameters such as the tolerance of jar, pressure, just can obtain stable conveying effect, its degree of stability is better than bottom discharge mode.When fluidizing gas enters in the fluidising chamber by the fluidisation plate, speed that fluidizing gas goes out from tabular fluidisation plate current and pressure drop are to the fluid effect important influence of powder, discover, when speed is very low, can form the dead band, powder does not flow, increase along with speed, after fluidizing velocity surpasses critical fluidization velocity, powder no longer relies on tabular fluidisation plate to support, but is supported by the friction force between fluid, is suspended state, so far finish the fluidization process of powder, the powder of fluidisation is exported under the differential pressure action of fluidising chamber and powder conveying pipeline outside the jar afterwards.
From above-mentioned narration, be not difficult to find out, what make the dependence of powder fluidisation is flat fluidizer, what all adopt as Chinese patent 200420077282.0 and 01207615.6 etc. is the device of micropore tabular fluidisation plate as the fluidisation powder, it is uniform that the indoor gas of fluidized gas passes the distribution of fluidisation plate above the fluidisation plate, make the powder fluidized state of tabular fluidisation plate top also be evenly distributed like this at whole tabular fluidisation plate face, but after the fluidisation duff pipe is seen the powder of central area off, the fluidisation powder rectangular distribution of tabular fluidisation plate top is just broken, other regional fluidization powder just flows to the central area, its power mainly is by the mutual friction force and the propelling thrust of air-flow, also be subjected to the central area simultaneously and pass the resistance of the fluidizing gas of tabular fluidisation plate, formed the high state of central area fluidised powder bulk concentration low edge fluidised powder bulk concentration.Therefore the transport efficiency of this type of tabular fluidisation feedway is affected, and course of conveying is also unstable.This class tabular fluidisation feedway connects in addition below transfer pot that a housing is provided with in addition, and its volume is bigger, and structure is complicated.
The utility model content
The utility model purpose is to overcome the shortcoming that exists in the above-mentioned prior art, and a kind of transport efficiency height, fluidisation course of conveying are provided, and stable and uniform, gas consumption novel powder few and simple in structure are carried fluidizer more.
For realizing described order, the utility model powder fluidisation feedway comprises powder conveying jar lower cone, fluidisation duff pipe, micropore fluidisation plate, housing, side and bottom at housing are provided with the fluidizing gas conduit, its middle shell is located at transfer pot lower cone flange below, micropore fluidisation plate is installed between the flange and casing flange of powder conveying jar lower cone, micropore fluidisation plate is shaped as to recessed spherical structure, leaves certain space between micropore fluidisation plate and the housing as the fluidisation air chamber.
Above-mentioned fluidisation duff pipe is installed on the locating sleeve on the powder conveying jar lower cone, this locating sleeve and transfer pot lower cone side weld together; The sphere centre of sphere of micropore fluidisation plate is positioned on transfer pot lower cone and the fluidisation duff pipe exit skirt central axis, and fluidisation duff pipe exit skirt, micropore fluidisation plate and housing three axial line are positioned on the same central axis.
Compared with prior art its advantageous effect is as follows for the utility model powder fluidisation feedway:
1, because the utility model is that traditional flat micropore fluidisation plate is designed to the spherical shape structure, the concentration of micropore fluidisation plate center conveyor zones fluidisation powder is raise, more can carry powder by actv.; Micropore fluidisation plate adopts spherical structure simultaneously, and the sphere area of contact is big, has reduced the gas consumption of bottom fluidization gas.In the rising that realizes centre, fluidization zone powder concentration, guarantee the powder that gets off from transfer pot fluidisation fully by regulating the fluidized gas scale of construction, make whole fluidisation course of conveying continuously, stable, even, improved powder conveying efficient.
2, because fluidisation duff pipe of the present utility model is installed on the powder conveying jar lower cone, does not need to connect in addition a housing fluidisation duff pipe is installed, thus this powder fluidisation transport conveyor constructions compactness, simple and practical, easy access.
Description of drawings
Fig. 1 is the structural representation of the utility model powder fluidisation feedway.
The specific embodiment
As shown in Figure 1, the utility model powder fluidisation feedway comprises powder conveying jar lower cone 2, fluidisation duff pipe 1, micropore fluidisation plate 7, housing 9, fluidisation duff pipe 1 is installed on the locating sleeve 11 on the powder conveying jar lower cone 2, this locating sleeve 11 and transfer pot lower cone 2 side weld togethers; Housing 9 is located at transfer pot lower cone 2 flanges 4 belows, is provided with fluidizing gas conduit 8 in the side and the bottom of housing 9; Micropore fluidisation plate 7 is installed between the flange 4 and housing 9 flanges 6 of powder conveying jar lower cone 2, and micropore fluidisation plate 7 is shaped as to recessed spherical structure; Be provided with seal ring 5 between the contact surface of the flange 4 of micropore fluidisation plate 7 and powder conveying jar lower cone 2 and housing 9 flanges 6, use Bolt Connection between the flange 4 of powder conveying jar lower cone 2, seal ring 5, micropore fluidisation plate 7 and housing 9 flanges 6, about 4～8 of bolt hole; Leave certain space as fluidisation air chamber 10 between micropore fluidisation plate 7 and the housing 9, the space between micropore fluidisation plate 7 tops and the transfer pot lower cone 2 is a powder fluidising chamber 3.
The sphere centre of sphere of above-mentioned micropore fluidisation plate 7 is positioned on transfer pot and the fluidisation duff pipe 1 exit skirt central axis, and fluidisation duff pipe 1 exit skirt, micropore fluidisation plate 7 and housing 9 three's axial lines are positioned on the same central axis.
The working process of the utility model powder fluidisation feedway is as follows: the powder in the powder conveying jar enters in the powder fluidising chamber 3 through transfer pot lower cone 2 under the effect of pressure and gravity, and fluidizing gas is imported from the fluidizing gas conduit 8 on the housing 9 simultaneously.Fluidizing gas is after fluidizing gas conduit 8 enters fluidisation air chamber 10, and by micropore fluidisation plate 7, make the loosening and formation fluidization of powder of micropore fluidisation plate 7 tops, formed of horn section longshore current duff pipe 1 output of fluidised powder through fluidisation duff pipe 1.
Groundwork of the present utility model is that fluidizing gas enters in the fluidisation air chamber 10 by the fluidized gas conduit 8 on the housing 9, under the effect of fluidisation air chamber 10 internal pressures, pass micropore fluidisation plate 7, in this process, because the sphere centre position of micropore fluidisation plate 7 and the distribution of edge gas there are differences, formed the weak feature of the strong edge of sphere centre air-flow air-flow, the powder that helps in the transfer pot relies on self gravitation to drop to the powder fluidising chamber 3 from the edge, simultaneously because the existence of micropore fluidisation plate 7 spheres, make that powder can continue to move to the sphere centre position, thereby enter in the pipeline of fluidisation duff pipe 1, reduced the resistance that powder falls in the transfer pot like this.In addition, under equal defeated vermicelli spare,, can reduce the use amount of fluidizing gas because micropore fluidisation plate 7 spheres are bigger than the area of micropore tabular fluidisation plate.
The utility model powder fluidization conveying device has compared with prior art not only improved powder Transfer efficiency and powder conveying amount, fluidisation course of conveying stable and uniform more, and structure is tight Gather, simple and practical, easy access, the investment of having saved equipment.
Claims (4)
1, a kind of powder fluidisation feedway comprises powder conveying jar lower cone (2), fluidisation duff pipe (1), micropore fluidisation plate (7), housing (9), side and bottom at housing (9) are provided with fluidizing gas conduit (8), it is characterized in that: housing (9) is located at transfer pot lower cone (2) flange (4) below; Micropore fluidisation plate (7) is installed between the flange (4) and housing (9) flange (6) of powder conveying jar lower cone (2), and micropore fluidisation plate (2) is shaped as to recessed spherical structure; Leave certain space as fluidisation air chamber (10) between micropore fluidisation plate (7) and the housing (9).
2, powder fluidisation feedway according to claim 1, it is characterized in that: described fluidisation duff pipe (1) is installed on the locating sleeve (11) on the powder conveying jar lower cone (2), this locating sleeve (11) and transfer pot lower cone (2) side weld together.
3, powder fluidisation feedway according to claim 1, it is characterized in that: the sphere centre of sphere of described micropore fluidisation plate (7) is positioned on transfer pot lower cone (2) body and fluidisation duff pipe (1) the exit skirt central axis, and fluidisation duff pipe (1) exit skirt, micropore fluidisation plate (7) and housing (9) three's axial line are positioned on the same central axis.
4, according to claim 1,3 described powder fluidisation feedways, it is characterized in that: be provided with seal ring (5) between the flange (4) of described micropore fluidisation plate (7) and powder conveying jar lower cone (2) and the contact surface of housing (9) flange (6), use Bolt Connection between the flange (4) of powder conveying jar lower cone (2), seal ring (5), micropore fluidisation plate (7) and housing (9) flange (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201719539U CN201424293Y (en) | 2009-05-07 | 2009-05-07 | Powder fluidization conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201719539U CN201424293Y (en) | 2009-05-07 | 2009-05-07 | Powder fluidization conveying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201424293Y true CN201424293Y (en) | 2010-03-17 |
Family
ID=42023731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201719539U Expired - Fee Related CN201424293Y (en) | 2009-05-07 | 2009-05-07 | Powder fluidization conveying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201424293Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102134005A (en) * | 2011-01-21 | 2011-07-27 | 中国东方电气集团有限公司 | Double-type air-distribution plate and single pipe discharging sending tank |
| CN102730419A (en) * | 2012-07-17 | 2012-10-17 | 天脊煤化工集团股份有限公司 | Method and device for preventing cone pump fluidized plate from being damaged |
| CN104555449A (en) * | 2015-01-09 | 2015-04-29 | 江苏久晟环保设备有限公司 | Fluidization mixer |
| CN105129433A (en) * | 2015-09-18 | 2015-12-09 | 山东钢铁股份有限公司 | Fluidifying feeding device for upward-leading type pneumatic conveying bin pump |
| CN106907930A (en) * | 2015-12-23 | 2017-06-30 | 沈阳铝镁设计研究院有限公司 | A kind of fluidizing cooler fluidized wind even distribution device |
| CN108394726A (en) * | 2018-04-27 | 2018-08-14 | 中冶京诚工程技术有限公司 | Method and system for carrying out fluidization ash conveying by using self-produced clean coal gas of dust remover |
| CN108639592A (en) * | 2018-04-27 | 2018-10-12 | 中冶京诚工程技术有限公司 | Float valve type anti-blocking fluidization ash conveying method and system for dust remover |
| CN108674995A (en) * | 2018-04-13 | 2018-10-19 | 东南大学 | A kind of small doses charging gear of high pressure dilute phase and control method |
| CN108820604A (en) * | 2018-04-27 | 2018-11-16 | 中冶京诚工程技术有限公司 | Spider-web type anti-blocking fluidization ash conveying method and system for dust remover |
| CN114484507A (en) * | 2022-03-15 | 2022-05-13 | 南昌航空大学 | Spherical air intake type powder fuel supply device |
-
2009
- 2009-05-07 CN CN2009201719539U patent/CN201424293Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102134005B (en) * | 2011-01-21 | 2012-09-26 | 中国东方电气集团有限公司 | Double-type air-distribution plate and single pipe discharging sending tank |
| CN102134005A (en) * | 2011-01-21 | 2011-07-27 | 中国东方电气集团有限公司 | Double-type air-distribution plate and single pipe discharging sending tank |
| CN102730419A (en) * | 2012-07-17 | 2012-10-17 | 天脊煤化工集团股份有限公司 | Method and device for preventing cone pump fluidized plate from being damaged |
| CN104555449A (en) * | 2015-01-09 | 2015-04-29 | 江苏久晟环保设备有限公司 | Fluidization mixer |
| CN105129433A (en) * | 2015-09-18 | 2015-12-09 | 山东钢铁股份有限公司 | Fluidifying feeding device for upward-leading type pneumatic conveying bin pump |
| CN106907930A (en) * | 2015-12-23 | 2017-06-30 | 沈阳铝镁设计研究院有限公司 | A kind of fluidizing cooler fluidized wind even distribution device |
| CN108674995A (en) * | 2018-04-13 | 2018-10-19 | 东南大学 | A kind of small doses charging gear of high pressure dilute phase and control method |
| CN108394726A (en) * | 2018-04-27 | 2018-08-14 | 中冶京诚工程技术有限公司 | Method and system for carrying out fluidization ash conveying by using self-produced clean coal gas of dust remover |
| CN108639592A (en) * | 2018-04-27 | 2018-10-12 | 中冶京诚工程技术有限公司 | Float valve type anti-blocking fluidization ash conveying method and system for dust remover |
| CN108820604A (en) * | 2018-04-27 | 2018-11-16 | 中冶京诚工程技术有限公司 | Spider-web type anti-blocking fluidization ash conveying method and system for dust remover |
| CN108820604B (en) * | 2018-04-27 | 2023-09-15 | 中冶京诚工程技术有限公司 | Spider-web type anti-blocking fluidization ash conveying method and system for dust remover |
| CN108639592B (en) * | 2018-04-27 | 2023-10-03 | 中冶京诚工程技术有限公司 | Floating valve type anti-blocking fluidization ash conveying method and system for dust remover |
| CN114484507A (en) * | 2022-03-15 | 2022-05-13 | 南昌航空大学 | Spherical air intake type powder fuel supply device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100317 Termination date: 20140507 |