CN210251554U - Respirator for wet granulator - Google Patents
Respirator for wet granulator Download PDFInfo
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- CN210251554U CN210251554U CN201920804867.0U CN201920804867U CN210251554U CN 210251554 U CN210251554 U CN 210251554U CN 201920804867 U CN201920804867 U CN 201920804867U CN 210251554 U CN210251554 U CN 210251554U
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- air
- pipe
- metal filter
- shell
- respirator
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Abstract
The utility model relates to a respirator for wet process granulator, when using, connect the air supply in the inlet port, gas gets into the air vent from the inlet port, when gas gets into the air vent, the pulse valve works, the mouth of pipe of one end that the gas blow pipe is located in the air vent blocks up, gas gets into the closing plate through the air vent in the clearance, casing and gas blow pipe constitute the air pocket, the pressure in the air pocket increases gradually, after the pressure in the air pocket reaches certain numerical value, the pulse valve closes, the mouth of pipe of gas blow pipe opens, the gas in the air pocket gets into the gas blow pipe from the air pocket rapidly, the gas blow pipe communicates the air vent and the casing is inside, the gas blow pipe is coaxial with metal filter, gas gets into from one end of gas blow pipe, blow off from the other end, the blowback is to the metal filter that is located its below, can blow the dust on the metal filter clean, thereby the clearance to metal filter, the respirator can be normally used, and the service life of the respirator is prolonged.
Description
Technical Field
The utility model belongs to the technical field of the supporting device of wet granulator technique and specifically relates to a respirator for wet granulator.
Background
Wet granulators are used to grind wet powders into the desired granules, or dry bulk materials into the desired granules. The wet granulator is widely applied to the production and processing of oral solid preparation wet granulation medicines at home and abroad as main process equipment for wet granulation. Because the stirring and cutting knife system is designed by adopting an air-tight structure, the respirator is additionally arranged on the upper cover of the wet granulator to keep the internal and external pressures of the pot body balanced and play a role in balancing the internal and external pressures. The existing respirator matched with the dust removal device is poor in dust removal effect, dust overflows, and the dust blocks a filter bag to influence normal production.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to solve the problems that the respirator matched with a wet granulator in the prior art is poor in dust removal effect, dust overflows, and the dust blocks a filter bag to influence normal production, the respirator for the wet granulator is provided.
The utility model provides a technical scheme that its technical problem adopted is: a respirator for a wet granulator comprises a shell, wherein a back-blowing device is fixedly installed at the upper end of the shell, a metal filter is fixedly installed in the shell, and the metal filter is positioned below the back-blowing device;
the back-blowing device comprises a sealing block, the sealing block is fixed to the upper end of the shell, an air vent communicated with the inside of the shell is formed in the sealing block, an air blowing pipe is fixedly mounted in the air vent through a support, the air blowing pipe and the metal filter are coaxially arranged, a sealing plate is fixedly mounted on the air blowing pipe coaxially, the outer edge of the sealing plate and the inner wall of the shell form a static seal, the sealing plate, the shell and the air blowing pipe form an air bag, a gap is formed among the sealing block, the support and the air blowing pipe, the gap is communicated with the air vent and the air bag, the air blowing pipe is communicated with the air vent and the inside of the shell, a pulse valve is fixedly mounted on the sealing block, an air inlet is formed in the pulse valve, the air inlet is communicated with the air vent, and the.
The utility model discloses a respirator for wet process granulator, when using, connect the air supply in the inlet port, gas gets into the air vent from the inlet port, when gas gets into the air vent, the pulse valve work, the one end mouth of pipe that is located the air vent with the gas blow pipe blocks up, gas gets into the closing plate through the air vent via the clearance, in the air pocket that casing and gas blow pipe constitute, pressure in the air pocket increases gradually, after pressure in the air pocket reaches certain numerical value, the pulse valve closes, the gas blow pipe mouth of pipe is opened, gas in the air pocket passes through the air vent from the air pocket via the clearance rapidly and gets into the gas blow pipe, the gas blow pipe communicates the air vent inside with the casing, gas blow pipe and metal filter coaxial arrangement, gas gets into from gas blow pipe one end, blow off from the other end, the blowback is to the metal filter that is located its below, can blow the dust on the metal filter, the metal filter is prevented from being blocked by the material, so that the respirator can be normally used, and the service life of the respirator is prolonged; and the gas bag continues to store gas after the back flushing is carried out for a plurality of seconds, so that the repeated back flushing of the metal filter is realized.
In order to realize the thorough cleaning of metal filter, casing lower extreme fixed mounting has the water intake pipe, inside the water intake pipe stretched into the casing, the intercommunication has the cleaning ball on the water intake pipe, the cleaning ball is located the inside metal filter's of casing below, lets in the washing liquid to the water intake pipe after, and the washing liquid passes through the water intake pipe and carries to the cleaning ball in, spout the metal filter who is located its top again in the cleaning ball afterwards to realize the thorough cleaning to metal filter, also can wash metal filter under the condition of not dismantling metal filter, thereby realize online cleaning.
Further, fixed mounting has the exhaust pipe on the casing, the exhaust pipe communicates the casing inside with the external world, fixed mounting has discharge valve on the exhaust pipe, the blowback in-process, and discharge valve is whole to be closed, when needing to ventilate with the external world, manually opens the valve.
In order to facilitate the installation of the water inlet pipeline, the shell is fixedly provided with an installation block, the installation block is provided with an installation hole, and the water inlet pipeline is fixedly and hermetically installed in the installation hole.
For better protection pulse valve, make pulse valve not receive the damage, coaxial fixed mounting has the safety cover on the sealing block, pulse valve is established to the safety cover.
The utility model has the advantages that when in use, the air source is connected at the air inlet, the air enters the air vent from the air inlet, when the air enters the air vent, the pulse valve works to block the pipe orifice at one end of the air blow pipe in the air vent, the air enters the air bag formed by the sealing plate, the shell and the air blow pipe through the air vent, the pressure in the air bag is gradually increased, after the pressure in the air bag reaches a certain value, the pulse valve is closed, the pipe orifice of the air blow pipe is opened, the air in the air bag rapidly enters the air blow pipe through the air vent from the air bag, the air blow pipe is communicated with the air vent and the shell, the air blow pipe and the metal filter are coaxially arranged, the air enters from one end of the air blow pipe and blows out from the other end, the air blow-back flows to the metal filter positioned below the air blow pipe, and can blow the, therefore, the metal filter is cleaned, the metal filter is prevented from being blocked by materials, the respirator can be normally used, and the service life of the respirator is prolonged; the metal filter can be cleaned under the condition of not disassembling the metal filter, thereby realizing online cleaning.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a two-dimensional schematic view of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1 in accordance with the present invention;
fig. 3 is a cross-sectional view taken at B-B of fig. 2 according to the present invention.
In the figure: 1. the air purifier comprises a shell, 2 parts of a metal filter, 3 parts of a sealing block, 3-1 parts of an air vent, 4 parts of a support, 5 parts of an air blow pipe, 6 parts of a sealing plate, 7 parts of an air bag, 8 parts of a pulse valve, 8-1 parts of an air inlet hole, 9 parts of a water inlet pipeline, 10 parts of a cleaning ball, 11 parts of an exhaust pipeline, 12 parts of an exhaust valve, 13 parts of an installation block and 14 parts of a protective cover.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
The respirator for the wet granulator shown in fig. 1 and 2 comprises a shell 1, wherein a back-blowing device is fixedly installed at the upper end of the shell 1, a metal filter 2 is fixedly installed in the shell 1, the metal filter 2 is an existing metal filter 2, the filtering precision of the metal filter 2 is 5 microns, 10 microns, 20 microns and the like, and the metal filter 2 is located below the back-blowing device;
the back blowing device comprises a sealing block 3, the sealing block 3 is fixed at the upper end of a shell 1, a vent hole 3-1 communicated with the interior of the shell 1 is formed in the sealing block 3, an air blowing pipe 5 is fixedly arranged in the vent hole 3-1 through a support 4, the air blowing pipe 5 is coaxially arranged with a metal filter 2, a sealing plate 6 is coaxially and fixedly arranged on the air blowing pipe 5, the outer edge of the sealing plate 6 and the inner wall of the shell 1 form static seal, the sealing plate 6, the shell 1 and the air blowing pipe 5 form an air bag 7, as shown in figure 3, a gap is formed among the sealing block 3, the support 4 and the air blowing pipe 5 and communicated with the vent hole 3-1 and the air bag 7, the air blowing pipe 5 is communicated with the vent hole 3-1 and the interior of the shell 1, a pulse valve 8 is fixedly arranged on the sealing block 3, and an air inlet hole, the air inlet hole 8-1 is communicated with the vent hole 3-1, and the pulse valve 8 is positioned right above the air blow pipe 5 and used for closing and opening the air blow pipe 5.
Fixed mounting has installation piece 13 on casing 1, the mounting hole has been seted up on the installation piece 13, water inlet line 9 fixed seal installs in the mounting hole, water inlet line 9 stretches into inside 1 casing, the intercommunication has cleaning ball 10 on the water inlet line 9, cleaning ball 10 is located the inside metal filter 2's of casing 1 below, lets in the washing liquid to water inlet line 9 after, and the washing liquid passes through water inlet line 9 and carries to cleaning ball 10 in, spout in the cleaning ball 10 again afterwards to metal filter 2 who lies in its top to the realization is to metal filter 2's thorough washing, also can wash metal filter 2 under the condition of not dismantling metal filter 2, thereby realizes online cleaning.
The exhaust pipe 11 is fixedly installed on the shell 1, the exhaust pipe 11 is communicated with the inside and the outside of the shell 1, the exhaust valve 12 is fixedly installed on the exhaust pipe 11, in the back flushing process, the exhaust valve 12 is closed in the whole process, and when the air needs to be ventilated with the outside, the valve is manually opened.
The coaxial fixed mounting has a safety cover 14 on the sealed piece 3, pulse valve 8 is established to safety cover 14 cover.
The utility model discloses a respirator for wet process granulator, when using, connect the air supply in inlet port 8-1, gas gets into air vent 3-1 from inlet port 8-1, when gas gets into air vent 3-1, pulse valve 8 works, the one end mouth of pipe that is located air vent 3-1 with gas blow pipe 5 blocks up, gas gets into in the gas package 7 that closing plate 6, casing 1 and gas blow pipe 5 constitute through the clearance by air vent 3-1, the pressure in the gas package 7 increases gradually, after the pressure in the gas package 7 reaches certain numerical value, pulse valve 8 closes, the mouth of pipe of gas blow pipe 5 is opened, gas in the gas package 7 gets into gas blow pipe 5 through air vent 3-1 from the gas package 7 through the clearance again, gas blow pipe 5 communicates air vent 3-1 and inside the casing 1, gas blow pipe 5 and metal filter 2 are coaxial to be set up, the gas enters from one end of the gas blowing pipe 5 and is blown out from the other end, and is blown back to the metal filter 2 positioned below the gas blowing pipe, so that dust on the metal filter 2 can be blown clean, the metal filter 2 is cleaned, the metal filter 2 is prevented from being blocked by materials, the respirator can be normally used, and the service life of the respirator is prolonged; the gas bag 7 continues to store gas after the back flushing for a plurality of seconds, thereby realizing the repeated back flushing of the metal filter 2.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. The utility model provides a respirator for wet process granulator which characterized in that: the device comprises a shell (1), wherein a back blowing device is fixedly arranged at the upper end of the shell (1), a metal filter (2) is fixedly arranged in the shell (1), and the metal filter (2) is positioned below the back blowing device;
the back blowing device comprises a sealing block (3), the sealing block (3) is fixed at the upper end of a shell (1), a vent hole (3-1) communicated with the inside of the shell (1) is formed in the sealing block (3), an air blowing pipe (5) is fixedly installed in the vent hole (3-1) through a support (4), the air blowing pipe (5) and a metal filter (2) are coaxially arranged, a sealing plate (6) is coaxially and fixedly installed on the air blowing pipe (5), the outer edge of the sealing plate (6) and the inner wall of the shell (1) form static seal, the sealing plate (6), the shell (1) and the air blowing pipe (5) form an air bag (7), a gap is formed among the sealing block (3), the support (4) and the air blowing pipe (5), the gap is communicated with the vent hole (3-1) and the air bag (7), the air blowing pipe (5) is communicated with the vent hole (3-1) and the inside of the, the sealing block (3) is fixedly provided with a pulse valve (8), the pulse valve (8) is provided with an air inlet (8-1), the air inlet (8-1) is communicated with the air vent (3-1), and the pulse valve (8) is positioned right above the air blow pipe (5) and used for closing and opening the pipe orifice of the air blow pipe (5).
2. The respirator of claim 1, wherein: casing (1) lower extreme fixed mounting has water intake pipe (9), inside water intake pipe (9) stretched into casing (1), the intercommunication has cleaning ball (10) on water intake pipe (9), cleaning ball (10) are located the below of casing (1) inside metal filter (2).
3. The respirator of claim 1, wherein: fixed mounting has exhaust pipe (11) on casing (1), exhaust pipe (11) intercommunication casing (1) inside and external, fixed mounting has discharge valve (12) on exhaust pipe (11).
4. The respirator of claim 2, wherein: the water inlet pipeline is characterized in that a mounting block (13) is fixedly mounted on the shell (1), a mounting hole is formed in the mounting block (13), and the water inlet pipeline (9) is fixedly and hermetically mounted in the mounting hole.
5. The respirator of claim 1, wherein: coaxial fixed mounting has safety cover (14) on sealed piece (3), pulse valve (8) are established to safety cover (14) cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920804867.0U CN210251554U (en) | 2019-05-30 | 2019-05-30 | Respirator for wet granulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920804867.0U CN210251554U (en) | 2019-05-30 | 2019-05-30 | Respirator for wet granulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210251554U true CN210251554U (en) | 2020-04-07 |
Family
ID=70039691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920804867.0U Active CN210251554U (en) | 2019-05-30 | 2019-05-30 | Respirator for wet granulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210251554U (en) |
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2019
- 2019-05-30 CN CN201920804867.0U patent/CN210251554U/en active Active
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