CN214582362U - A hood for cylinder desicator - Google Patents
A hood for cylinder desicator Download PDFInfo
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- CN214582362U CN214582362U CN202022515943.1U CN202022515943U CN214582362U CN 214582362 U CN214582362 U CN 214582362U CN 202022515943 U CN202022515943 U CN 202022515943U CN 214582362 U CN214582362 U CN 214582362U
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- valve
- hood
- cap
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- valve rod
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Abstract
The utility model belongs to desicator part field, concretely relates to hood for cylinder dryer. The utility model provides a hood for drum dryer, including conical cap, air duct, a plurality of check valve, disk seat, distributing plate, the conical cap lower part with disk seat fixed connection, the disk seat with air duct upper portion fixed connection, the air duct lower part with distributing plate fixed connection. According to the utility model provides a hood structural feature, dry gas both can follow the bottom blowout, also can pass through the filter screen blowout of awl cap has increased gaseous flux, therefore has reinforceed the mixture and the dispersion of gas and material. The roller dryer with the hood can remarkably improve drying efficiency, avoid material wall hanging, enhance the anti-blocking capacity of the filter, and prevent material agglomeration and reunion and the like.
Description
Technical Field
The utility model belongs to desicator part field, concretely relates to hood for cylinder dryer.
Background
The novel roller dryer has the advantages of high drying efficiency, suitability for thermosensitive materials, conformity to GMP standard and the like, so that the novel roller dryer is particularly suitable for batch drying of small-batch, multi-variety and high-value-added materials in fine chemical engineering and pharmaceutical chemical engineering. The novel roller dryer consists of a roller, a gas distributor, a rotary joint and a driving system. The hood of the gas distributor is directly related to the gas distribution uniformity, the dispersion degree of the materials, whether the physical properties are wall-hung or not and the anti-blocking property of the filter.
The existing blast cap structure is an integral body formed by an air duct and a cone cap, and the air duct is directly connected with an air distribution plate. When the air guide pipe works, after the air enters the air guide pipe, the air turns back and falls down after encountering the conical cap and is horizontally sprayed out from the bottom of the blast cap along the distribution plate.
The novel roller dryer requires the functions of the following existing hoods, besides the above functions: 1. the dry gas entering from the gas guide tube is discharged from the bottom of the blast cap and can be discharged through the conical cap, so that the gas and the materials are fully and uniformly mixed and dispersed; 2. when the blast cap is in an exhaust (or air extraction) state, solid materials are prevented from entering the blast cap to cause the blockage of the blast cap.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model provides a hood for drum dryer, including awl cap, air duct, a plurality of check valve, disk seat, distributing plate, awl cap lower part with disk seat fixed connection, the disk seat with air duct upper portion fixed connection, the air duct lower part with distributing plate fixed connection.
As a preferable technical scheme, the conical cap is made of a porous filter screen. The filtering precision of the porous filter screen is selected according to the grains of the dried material, and the design has the advantages that: when the blast cap is in an air inlet state, dry gas is distributed through the filter screen to be mixed and fluidized with materials, and meanwhile, the materials attached to the cone cap are blown off, so that the regeneration of the filter is realized; when the blast cap is in an exhaust (or air extraction) state, materials can be prevented from entering the blast cap.
As a preferable technical solution, the check valves are mounted on the valve seat, and the positions of the check valves are arranged on a circumference with the air duct as the center, and the number of the check valves is determined according to the ventilation volume.
As a preferable technical scheme, the check valve comprises a valve rod, a valve head, an O-shaped ring, a spring and a spring support. The O-shaped ring is mainly used for isolating and sealing the conical cap cavity and the check valve cavity.
As a preferred technical scheme, the upper part of the valve rod is solid, the middle part of the valve rod is a hollow pipe, and a plurality of inclined holes are formed in the upper part of the valve rod and communicated with the hollow pipe in the middle part, so that the gas flux is increased.
As a preferred technical solution, the valve head is arranged on the top of the valve stem; the valve head and the valve rod are connected in a detachable mode, so that the valve head is convenient to detach and replace; the valve head is made of one of PTFE and PEEK.
As a preferred technical scheme, the spring support and the valve seat are fixedly connected, a spring is arranged above the spring support, and the spring is arranged inside a hollow pipe in the middle of the valve rod.
As a preferred technical scheme, the center of the spring support is provided with a hexagon socket, and the hexagon socket is used for installing the spring support and is used as a gas outlet.
As a preferred technical scheme, the connection mode between the valve seat and the conical cap is one of threaded connection, buckle connection and magnetic attraction connection, and the conical cap is convenient to replace or clean.
As a preferred technical scheme, the air duct and the distribution plate are connected in a manner that the air duct positioning boss is embedded into the distribution plate.
Has the advantages that:
(1) according to the blast cap structure characteristics provided by the utility model, dry gas can be sprayed out from the bottom, and can also be sprayed out through the filter screen of the cone cap, so that the gas flux is increased, and the mixing and dispersion of the gas and materials are enhanced;
(2) according to the properties of the dried materials and the size of the roller, a plurality of air hoods are regularly arranged on the inner wall of the roller, according to the structural characteristics of the air hoods provided by the utility model, the dried gas is sprayed out from the bottoms of the air hoods along the tangential direction of the roller, and a layer of air film is formed on the inner surface of the roller between the adjacent air hoods, so that the materials are prevented from being hung on the wall and being agglomerated;
(3) according to the utility model provides a hood structural feature, the check valve is normally in the closed condition. When the air cap is in an air inlet state, the check valve is opened, a part of air from the air guide pipe enters the roller dryer through the air cap filter screen, and the other part of air enters the roller dryer from the bottom of the air cap through the check valve. When the blast cap is in an exhaust (air extraction) state, the check valve is closed, and the air enters the blast cap after being filtered by the conical cap filter screen and is discharged out of the dryer through the air guide pipe. Therefore, the problem that the existing blast cap cannot work even due to the fact that materials enter the blast cap from the bottom of the net cap when exhausting is solved.
Drawings
Fig. 1 is a schematic structural view (during exhausting) of a hood for a drum dryer according to the present invention;
FIG. 2 is a schematic view of the upper reverse valve section (in the exhaust state);
fig. 3 is a schematic structural view (when air is supplied) of a hood for a drum dryer according to the present invention;
fig. 4 is a large view of the check valve portion (at the time of intake).
Wherein, 1-conical cap, 2-gas guide tube, 3-check valve, 4-valve seat, 5-distributing plate, 6-valve rod, 7-valve head, 8-O-shaped ring, 9-spring and 10-spring support.
Detailed Description
The disclosure may be further understood in conjunction with the following detailed description of preferred embodiments of the invention and the examples included.
When a component, element, or layer is referred to as being "on," "bonded to," "connected to," or "coupled to" another element or layer, it may be directly on, bonded to, connected to, or coupled to the other element, or layer, or intervening elements or layers may be present. In contrast, when an element is referred to as being "directly on," "directly coupled to," "directly connected to" or "directly coupled to" another element or layer, there may be no intervening elements or layers present. Other words used to describe the relationship between elements should be interpreted in a similar manner (e.g., "between … …" versus "directly between … …," "adjacent" versus "directly adjacent," etc.). As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
When describing embodiments of the present application, the use of "preferred," "preferably," "more preferred," etc., refers to embodiments of the invention that may provide certain benefits under certain circumstances. However, other embodiments may be preferred, under the same or other circumstances. In addition, the recitation of one or more preferred embodiments does not imply that other embodiments are not useful, nor is it intended to exclude other embodiments from the scope of the invention.
The utility model provides a hood for drum dryer, including conical cap, air duct, a plurality of check valve, disk seat, distributing plate, the conical cap lower part with disk seat fixed connection, the disk seat with air duct upper portion fixed connection, the air duct lower part with distributing plate fixed connection.
In some preferred embodiments, the cone cap is made of a perforated screen. The filtering precision of the porous filter screen is selected according to the grains of the dried material, and the design has the advantages that: when the blast cap is in an air inlet state, dry gas is distributed through the filter screen to be mixed and fluidized with materials, and meanwhile, the materials attached to the cone cap are blown off, so that the regeneration of the filter is realized; when the blast cap is in an exhaust (or air extraction) state, materials can be prevented from entering the blast cap.
In some preferred embodiments, the check valves are mounted on the valve seat and are arranged on a circumference centered on the air duct, and the number of the check valves is determined according to the ventilation volume.
In some preferred embodiments, the non-return valve comprises a valve stem, a valve head, an O-ring, a spring seat. The O-shaped ring is mainly used for isolating and sealing the conical cap cavity and the check valve cavity.
In some preferred embodiments, the upper part of the valve rod is solid, the middle part of the valve rod is a hollow pipe, and the upper part of the valve rod is provided with a plurality of inclined holes which are communicated with the hollow pipe in the middle part, so that the gas flux is increased.
In some preferred embodiments, the valve head is disposed atop the valve stem; the valve head and the valve rod are connected in a detachable mode, so that the valve head is convenient to detach and replace; the valve head is made of one of PTFE and PEEK.
In some preferred embodiments, the spring support is fixedly connected with the valve seat, and a spring is arranged above the spring support and is arranged inside the hollow pipe in the middle of the valve rod.
In some preferred embodiments, the spring support is centrally provided with a socket, the socket being provided for the purpose of mounting the spring support and for the purpose of providing a gas outlet.
In some preferred embodiments, the connection between the valve seat and the conical cap is one of a threaded connection, a snap connection and a magnetic connection, so that the conical cap can be replaced or cleaned conveniently.
In some preferred embodiments, the gas-guiding tube is connected with the distribution plate in such a way that the gas-guiding tube positioning boss is embedded in the distribution plate.
When in use, the blast cap for the roller dryer (hereinafter referred to as the blast cap) has two working states, namely an air inlet state and an air exhaust state.
When the air cap is in an air inlet state, dry air enters the air cap cavity from the air guide pipe, enters a drying area from the porous filter screen structure of the conical cap on the one hand, and enters the drying area from the check valve on the other hand, and the design can increase air flux, so that the drying efficiency is improved. In the air inlet state, dry air pushes the check valve downwards, enters the valve body from an inclined hole in the upper part of the valve rod and a gap between the lower part of the valve rod and the spring support and is blown out from a hexagon socket hole in the middle of the spring support, the dry air is ejected from the bottom of the air cap along the tangential direction of the distribution plate under the resistance of the distribution plate, and a layer of air film is formed on the inner surface of the roller between the adjacent air caps, so that the materials are prevented from being hung on the wall and being agglomerated;
when the hood is in the exhaust state, the check valve is in close under the effect of spring, prevents effectively that the material from getting into inside the hood, moist gas passes through the porous filter screen structure of awl cap gets into the hood, then follows the air duct is discharged, and porous filter screen structure has effectively prevented the material entering inside the hood, has reduced the jam risk, even there is tiny material granule to remain in porous filter screen structure, the hood also can be in the state of admitting air self-renewal, self-cleaning.
Examples
The technical solution of the present invention is described in detail below with reference to the embodiments, but the scope of the present invention is not limited to the embodiments.
When in use, the blast cap for the roller dryer (hereinafter referred to as the blast cap) has two working states, namely an air inlet state and an air exhaust state.
When the air cap is in an air inlet state, dry air enters the cavity of the air cap from the air guide pipe 2, enters a drying area from the porous filter screen structure of the cone cap 1 on the one hand, and enters the drying area from the check valve 3 on the other hand, and the design can increase air flux, so that the drying efficiency is improved. In the air inlet state, dry air pushes the check valve 3 downwards, enters the valve body from an inclined hole at the upper part of the valve rod 6 and a gap between the lower part of the valve rod 6 and the spring support 10, and is blown out from a hexagon socket hole in the middle of the spring support 10, under the resistance of the distribution plate 5, the dry air is ejected tangentially from the bottom of the blast cap along the distribution plate 5, and a layer of air film is formed on the inner surface of the roller between the adjacent blast caps, so that the materials are prevented from being hung on the wall and agglomerated;
when the hood is in the exhaust state, check valve 3 is in close under the effect of spring 9, prevents effectively that the material from getting into inside the hood, humid gas passes through the porous filter screen structure of awl cap 1 gets into the hood, then follows gas duct 2 discharges, and porous filter screen structure has effectively prevented the material entering inside the hood, has reduced the jam risk, even there is tiny material granule to remain in porous filter screen structure, the hood also can be in the state of admitting air self-renewal, self-cleaning.
The valve seat 4 is connected with the conical cap 1 in a threaded manner, so that the conical cap 1 can be replaced or cleaned conveniently.
When in use, the blast cap for the roller dryer (hereinafter referred to as the blast cap) has two working states, namely an air inlet state and an air exhaust state.
When the air cap is in an air inlet state, dry air enters the cavity of the air cap from the air guide pipe 2, enters a drying area from the porous filter screen structure of the cone cap 1 on the one hand, and enters the drying area from the check valve 3 on the other hand, and the design can increase air flux, so that the drying efficiency is improved. In the air inlet state, dry air pushes the check valve 3 downwards, enters the valve body from an inclined hole at the upper part of the valve rod 6 and a gap between the lower part of the valve rod 6 and the spring support 10, and is blown out from a hexagon socket hole in the middle of the spring support 10, under the resistance of the distribution plate 5, the dry air is ejected tangentially from the bottom of the blast cap along the distribution plate 5, and a layer of air film is formed on the inner surface of the roller between the adjacent blast caps, so that the materials are prevented from being hung on the wall and agglomerated;
when the hood is in the exhaust state, check valve 3 is in close under the effect of spring 9, prevents effectively that the material from getting into inside the hood, humid gas passes through the porous filter screen structure of awl cap 1 gets into the hood, then follows gas duct 2 discharges, and porous filter screen structure has effectively prevented the material entering inside the hood, has reduced the jam risk, even there is tiny material granule to remain in porous filter screen structure, the hood also can be in the state of admitting air self-renewal, self-cleaning.
The gas guide pipe 2 and the distribution plate 5 are connected in a manner that the positioning boss of the gas guide pipe 2 is embedded into the distribution plate 5.
When in use, the blast cap for the roller dryer (hereinafter referred to as the blast cap) has two working states, namely an air inlet state and an air exhaust state.
When the air cap is in an air inlet state, dry air enters the cavity of the air cap from the air guide pipe 2, enters a drying area from the porous filter screen structure of the cone cap 1 on the one hand, and enters the drying area from the check valve 3 on the other hand, and the design can increase air flux, so that the drying efficiency is improved. In the air inlet state, dry air pushes the check valve 3 downwards, enters the valve body from an inclined hole at the upper part of the valve rod 6 and a gap between the lower part of the valve rod 6 and the spring support 10, and is blown out from a hexagon socket hole in the middle of the spring support 10, under the resistance of the distribution plate 5, the dry air is ejected tangentially from the bottom of the blast cap along the distribution plate 5, and a layer of air film is formed on the inner surface of the roller between the adjacent blast caps, so that the materials are prevented from being hung on the wall and agglomerated;
when the hood is in the exhaust state, check valve 3 is in close under the effect of spring 9, prevents effectively that the material from getting into inside the hood, humid gas passes through the porous filter screen structure of awl cap 1 gets into the hood, then follows gas duct 2 discharges, and porous filter screen structure has effectively prevented the material entering inside the hood, has reduced the jam risk, even there is tiny material granule to remain in porous filter screen structure, the hood also can be in the state of admitting air self-renewal, self-cleaning.
It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.
Claims (7)
1. The blast cap for the roller dryer is characterized by comprising a conical cap (1), an air duct (2), a plurality of check valves (3), a valve seat (4) and a distribution plate (5), wherein the lower part of the conical cap (1) is fixedly connected with the valve seat (4), the valve seat (4) is fixedly connected with the upper part of the air duct (2), and the lower part of the air duct (2) is fixedly connected with the distribution plate (5); the check valve (3) comprises a valve rod (6), a valve head (7), an O-shaped ring (8), a spring (9) and a spring support (10); the upper part of the valve rod (6) is solid, the middle part of the valve rod is a hollow pipe, and the upper part of the valve rod (6) is provided with a plurality of inclined holes which are communicated with the hollow pipe in the middle part; the O-shaped ring (8) is arranged on the top of the valve rod (6); the spring support (10) is fixedly connected with the valve seat (4), a spring (9) is arranged on the upper portion of the spring support (10), and the spring (9) is arranged inside a hollow pipe in the middle of the valve rod (6).
2. A hood for a drum dryer according to claim 1, characterized in that the cone cap (1) is made of a perforated screen.
3. Hood for a drum dryer according to claim 1 or 2, characterized in that said non-return valves (3) are mounted on said valve seat (4) in a position arranged on a circumference centred on the air duct (2).
4. A hood for a drum dryer according to claim 1, characterized in that the valve head (7) is arranged on top of the valve stem (6); the valve head (7) and the valve rod (6) are detachably connected; the valve head (7) is made of one of PTFE and PEEK.
5. A hood for a drum dryer according to claim 1, characterized in that the spring support (10) is centrally provided with a hexagonal socket.
6. The hood for a drum dryer according to claim 1, wherein the connection between the valve seat (4) and the cone cap (1) is one of a threaded connection, a snap connection, and a magnetic attachment.
7. The hood for a drum dryer according to claim 1, wherein the connection between the gas duct (2) and the distribution plate (5) is such that the positioning bosses of the gas duct (2) are embedded in the distribution plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022515943.1U CN214582362U (en) | 2020-11-03 | 2020-11-03 | A hood for cylinder desicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022515943.1U CN214582362U (en) | 2020-11-03 | 2020-11-03 | A hood for cylinder desicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214582362U true CN214582362U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022515943.1U Active CN214582362U (en) | 2020-11-03 | 2020-11-03 | A hood for cylinder desicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214582362U (en) |
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2020
- 2020-11-03 CN CN202022515943.1U patent/CN214582362U/en active Active
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