CN217497916U - Fluidization device in pneumatic conveying system sending tank - Google Patents
Fluidization device in pneumatic conveying system sending tank Download PDFInfo
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- CN217497916U CN217497916U CN202221391549.4U CN202221391549U CN217497916U CN 217497916 U CN217497916 U CN 217497916U CN 202221391549 U CN202221391549 U CN 202221391549U CN 217497916 U CN217497916 U CN 217497916U
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- support rod
- inlet pipe
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Abstract
The utility model discloses a fluidizing device in a pneumatic conveying system sending tank in the technical field of fluidizing device structures, which comprises an elliptical seal head, an air inlet pipe, a tower-type fluidizing device, a support rod and a ceramic baffle plate, wherein the elliptical seal head is a semi-closed cavity body, the air inlet pipe is fixedly arranged at the sealing end of the elliptical seal head, the air outlet end of the air inlet pipe extends into the elliptical seal head, the tower-type fluidizing device is arranged at the opening end of the elliptical seal head, the lower end of the support rod is fixedly connected with the air outlet of the air inlet pipe, the upper end of the support rod is fixedly arranged with the tower-type fluidizing device, the ceramic baffle plate is sleeved at the middle part of the support rod and is shielded above the air outlet end of the air inlet pipe, the utility model utilizes the ceramic baffle plate to prevent high-speed airflow from directly scouring the annular gasification plate and the inner wall of the elliptical seal head of the tower-type fluidizing device, prolongs the service life of the fluidizing device, utilizes the support rod to prevent the annular gasification plate from elastic deformation to reduce the gap of two layers of the baffle plate, the abrasion of the partition plate is aggravated due to the fact that the air inlet is not uniform or the air inlet flow speed is increased, and the service life of the partition plate is prolonged.
Description
Technical Field
The utility model relates to a fluidizer technical field specifically is a pneumatic conveying system sends the interior fluidizer of jar.
Background
The fluidization device is a very important device in a sending tank of the positive-pressure pneumatic conveying system, and the performance of the fluidization device directly influences whether the positive-pressure pneumatic conveying system can stably and reliably run. For the materials in the metallurgical industry with the temperature higher than 200 ℃, the water content higher than 3%, the particle size of coarse particles larger than 3mm and the high iron content, the support 11, the ceramic plate 12 and the ceramic plate fixing plate 13 are added to the fluidization device, so that airflow does not directly impact the partition plate, and the problems of quick abrasion and short service life caused by reduction of an overflowing gap caused by deformation of the partition plate under the impact of high-pressure atmospheric flow are solved; the partition board is made of tungsten carbide-infiltrated stainless steel to enhance the wear resistance and the high temperature resistance.
Chinese patent cn205367133u discloses a novel tower fluidization plate, which comprises an elliptical head, an air inlet pipe, a baffle plate and a tower-type fluidization device, wherein the tower-type fluidization device is installed at the opening of the elliptical head and is formed by sequentially connecting four annular gasification plates with different sizes from top to bottom, a gasket is further arranged between two adjacent annular gasification plates, the gasket enables a gap to exist between the two adjacent annular gasification plates, and the gap is usually 1 to 4 mm. When the device works, compressed air firstly enters the elliptical seal head, passes through the center hole of the fluidization plate of the tower-type fluid state device and finally penetrates out of the fluidization surface of the gap between the two fluidization plates of the tower-type fluid state device to play a role in fluidization; the tower-type fluidizer is provided with three fluidization surfaces which are uniformly superposed, each fluidization surface is uniformly fluidized, the whole fluidization plate is fully fluidized, the fluidization plate is not easy to block, the fluidization effect is good, and the conveying is smooth.
However, when the fluidization plate meets the situation of conveying powder with strong abrasiveness, the powder is thin and easily enters the elliptical seal head through a gap of the partition plate of the tower-type fluidizer, when air is fed and fluidized, compressed air enters the elliptical seal head at a certain speed, the baffle plate is too close to the bottom of the seal head, and air flow directly erodes to easily cause the abrasion of the seal head; in addition, under the impact of high-pressure large airflow, the larger the area of the partition board can be elastically deformed, the larger the stress is, the larger the deformation is, gaps among the partition boards are reduced due to the elastic deformation of the partition boards, the smaller the gaps are, the smaller the flow area is, the speed of the airflow is increased, the smaller the flow area is, the further increased stress is caused on the partition boards, finally, the abrasion of the partition boards is accelerated, and the service life is shortened.
Based on this, the utility model designs a pneumatic conveying system sends the interior fluidizer of jar to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fluidizer in pneumatic conveyor system delivery tank to solve above-mentioned technical problem.
In order to realize the purpose, the utility model provides the following technical scheme: a fluidizing device in a delivery tank of a pneumatic conveying system, comprising:
the elliptical seal head is a semi-closed cavity;
the air inlet pipe is fixedly arranged at the sealing end of the elliptical sealing head in a penetrating way, the air outlet end of the air inlet pipe extends into the elliptical sealing head,
the tower-type fluid device is arranged at the opening end of the elliptical seal head and is formed by sequentially connecting four annular gasification plates with different sizes from top to bottom, wherein the outer diameter of the upper annular gasification plate is larger than the inner diameter of the lower annular gasification plate in two adjacent annular gasification plates, a gasket is arranged between the two adjacent annular gasification plates, and a gap is reserved between the two adjacent annular gasification plates by the gasket;
the lower end of the support rod is fixedly connected with an air outlet of the air inlet pipe, and the upper end of the support rod is fixedly installed with the tower-type fluidizer;
and the ceramic baffle is sleeved in the middle of the support rod and is shielded above the air outlet end of the air inlet pipe.
Preferably, two adjacent annular gasification plates are locked up and down through a plurality of groups of bolts distributed in an annular array, and screws of the bolts penetrate through the gaskets.
Preferably, the middle part of the outer wall of the support rod is fixedly provided with a baffle mounting plate, and the ceramic baffle is fixedly bonded on the bottom surface of the baffle mounting plate.
Preferably, the air inlet end of the air inlet pipe is provided with inner pipe threads, and the air outlet end of the air inlet pipe is of a horn-shaped open structure.
Preferably, the support rod is of a T-shaped rod structure, the lower end of the support rod is transversely fixed on the inner wall of the air outlet end of the air inlet pipe, the upper end of the support rod is provided with threads, and the support rod penetrates through a hole in the middle of the top-layer annular gasification plate and is then locked and installed by a nut.
Preferably, the annular gasification plate is made of a tungsten carbide-infiltrated stainless steel material.
Compared with the prior art, utility model's beneficial effect does:
the utility model conveys compressed gas from the gas inlet pipe to the ceramic baffle plate, so that airflow uniformly flows out from the periphery of the ceramic baffle plate, thereby avoiding high-speed airflow from directly scouring the annular gasification plate and the inner wall of the elliptical head of the tower-type fluidizer, and prolonging the service life of the fluidizing device; simultaneously, under the effect of bracing piece, the annular gasification board can not take place elastic deformation and make the gap of two-layer baffle diminish, leads to admitting air inhomogeneous or the increase of inlet flow velocity leads to the wearing and tearing aggravation of baffle, has improved the life of baffle.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive work.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic view of the structure of FIG. 1 along line A-A;
fig. 4 is a schematic view of the top view structure of the tower-type flow-state device of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the device comprises 1-an elliptical seal head, 2-an air inlet pipe, 3-a tower-type fluid device, 4-an annular gasification plate, 5-a gasket, 6-a support rod, 7-a ceramic baffle, 8-a bolt and 9-a baffle mounting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art without making creative efforts based on the embodiments in the utility model belong to the protection scope of the utility model.
Referring to fig. 1-4, the utility model provides a technical solution: a fluidizing device in a sending tank of a pneumatic conveying system comprises an elliptical seal head 1, an air inlet pipe 2, a tower-type fluidizer 3, a support rod 6 and a ceramic baffle 7, wherein the elliptical seal head 1 is a semi-closed cavity; the air inlet pipe 2 is fixedly arranged at the sealing end of the elliptical seal head 1 in a penetrating manner, the air outlet end of the air inlet pipe 2 extends into the elliptical seal head 1, the tower-type fluid device 3 is arranged at the opening end of the elliptical seal head 1, the tower-type fluid device 3 is formed by sequentially connecting four annular gasification plates 4 with different sizes from top to bottom, two adjacent annular gasification plates 4 are arranged in the tower-type fluid device, the outer diameter of the upper annular gasification plate 4 is larger than the inner diameter of the lower annular gasification plate 4, a gasket 5 is arranged between the two adjacent annular gasification plates 4, the gasket 5 enables a gap to exist between the two adjacent annular gasification plates 4, the gap is a fluidized surface, and the gap is 1-4 mm; compressed air is conveyed into an elliptical seal head 1 through an air inlet pipe 2, passes through a central hole of an annular gasification plate 4 of a tower-type fluid state device 3, and finally is discharged from a gap between two layers of annular gasification plates 4 of the tower-type fluid state device 3 to play a role in fluidization; the utility model provides a tower-type fluidizer 3 is provided with three fluidization face, and three fluidization face is even superposes, and each fluidization face fluidization is even, and the fluidization dish is whole to be fluidized fully, has played the effect that difficult jam, fluidization are effectual and carry smoothly.
The lower end of the support rod 6 is fixedly connected with the air outlet of the air inlet pipe 2, and the upper end of the support rod is fixedly arranged with the tower-type fluid-state device 3; the ceramic baffle 7 is sleeved in the middle of the support rod 6 and is shielded above the air outlet end of the air inlet pipe 2. According to the design, compressed gas is conveyed to the ceramic baffle 7 from the gas inlet pipe 2, so that gas flow uniformly flows out from the periphery of the ceramic baffle 7, the annular gasification plate 4 of the tower-type flow state device 3 and the inner wall of the elliptical seal head 1 are prevented from being directly washed by high-speed gas flow, and the service life of the fluidization device is prolonged; simultaneously, under the effect of bracing piece 6, annular gasification board 4 can not take place elastic deformation and make the gap of two-layer baffle diminish, leads to admitting air inhomogeneous or the increase of inlet flow velocity leads to the wearing and tearing aggravation of baffle, has improved the life of baffle.
Furthermore, two adjacent annular gasification plates 4 are locked up and down through a plurality of groups of bolts 8 distributed in an annular array manner, screws of the bolts 8 penetrate through the gasket 5, the middle part of the outer wall of the support rod 6 is fixedly provided with a baffle mounting plate 9, and the ceramic baffle 7 is fixedly adhered to the bottom surface of the baffle mounting plate 9, so that the problem that the ceramic material and the metal support rod 6 cannot be directly welded and fixed is solved; the air inlet end of the air inlet pipe 2 is provided with inner pipe threads for being connected with an external air pipeline, and the air outlet end of the air inlet pipe 2 is of a horn-shaped open structure, so that air flow diffusion is facilitated; the support rod 6 is of a T-shaped rod structure, the lower end of the support rod is transversely fixed on the inner wall of the air outlet end of the air inlet pipe 2, the upper end of the support rod is provided with threads, and the support rod penetrates through a hole in the middle of the top annular gasification plate 4 and is then locked and installed by a nut; the annular gasification plate 4 is made of a tungsten carbide-infiltrated stainless steel material and has high wear resistance, so that the service life is prolonged.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; the term "connected" may refer to a direct connection, an indirect connection through an intermediate, a connection between two elements or an interaction relationship between two elements, and unless otherwise specifically defined, the term should be understood as having a specific meaning in the present application by those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A fluidizing device in a delivery tank of a pneumatic conveying system, comprising:
the seal head comprises an elliptical seal head (1), wherein the elliptical seal head (1) is a semi-closed cavity;
the air inlet pipe (2) is fixedly arranged at the sealing end of the elliptical sealing head (1) in a penetrating mode, and the air outlet end of the air inlet pipe (2) extends into the elliptical sealing head (1);
the tower-type fluid device (3) is installed at the opening end of the elliptical seal head (1), the tower-type fluid device (3) is formed by sequentially connecting four annular gasification plates (4) with different sizes from top to bottom, in two adjacent annular gasification plates (4), the outer diameter of the upper annular gasification plate (4) is larger than the inner diameter of the lower annular gasification plate (4), a gasket (5) is arranged between the two adjacent annular gasification plates (4), and a gap is reserved between the two adjacent annular gasification plates (4) through the gasket (5);
the lower end of the support rod (6) is fixedly connected with the air outlet of the air inlet pipe (2), and the upper end of the support rod (6) is fixedly installed with the tower-type fluid device (3);
and the ceramic baffle (7) is sleeved at the middle part of the support rod (6) and shelters from the air outlet end of the air inlet pipe (2).
2. The fluidizing device in the sending tank of a pneumatic conveying system according to claim 1, wherein: the adjacent two annular gasification plates (4) are locked up and down through a plurality of groups of bolts (8) distributed in an annular array, and screws of the bolts (8) penetrate through the gaskets (5).
3. The fluidizing device in a pneumatic conveying system sending tank according to claim 1, wherein: the middle part of the outer wall of the support rod (6) is fixedly provided with a baffle mounting plate (9), and the ceramic baffle (7) is fixedly bonded on the bottom surface of the baffle mounting plate (9).
4. The fluidizing device in the sending tank of a pneumatic conveying system according to claim 1, wherein: the air inlet end of the air inlet pipe (2) is provided with inner pipe threads, and the air outlet end of the air inlet pipe (2) is of a horn-shaped open structure.
5. The fluidizing device in the sending tank of a pneumatic conveying system according to claim 1, wherein: the support rod (6) is of a T-shaped rod structure, a transverse rod at the lower end of the support rod is fixed on the inner wall of the air outlet end of the air inlet pipe (2), threads are arranged at the upper end of the support rod, and the support rod penetrates through a hole in the middle of the top annular gasification plate (4) and is then locked and installed by a nut.
6. The fluidizing device in the sending tank of a pneumatic conveying system according to claim 1, wherein: the annular gasification plate (4) is made of a tungsten carbide-infiltrated stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221391549.4U CN217497916U (en) | 2022-06-06 | 2022-06-06 | Fluidization device in pneumatic conveying system sending tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221391549.4U CN217497916U (en) | 2022-06-06 | 2022-06-06 | Fluidization device in pneumatic conveying system sending tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217497916U true CN217497916U (en) | 2022-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221391549.4U Active CN217497916U (en) | 2022-06-06 | 2022-06-06 | Fluidization device in pneumatic conveying system sending tank |
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| Country | Link |
|---|---|
| CN (1) | CN217497916U (en) |
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- 2022-06-06 CN CN202221391549.4U patent/CN217497916U/en active Active
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