CN220288129U - Filtration structure of boiling dryer - Google Patents
Filtration structure of boiling dryer Download PDFInfo
- Publication number
- CN220288129U CN220288129U CN202321910846.XU CN202321910846U CN220288129U CN 220288129 U CN220288129 U CN 220288129U CN 202321910846 U CN202321910846 U CN 202321910846U CN 220288129 U CN220288129 U CN 220288129U
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- Prior art keywords
- air inlet
- inlet branch
- air
- boiling dryer
- utility
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- 238000009835 boiling Methods 0.000 title claims abstract description 14
- 238000001914 filtration Methods 0.000 title claims abstract description 10
- 239000004744 fabric Substances 0.000 abstract description 24
- 238000001035 drying Methods 0.000 abstract description 14
- 239000002245 particle Substances 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 11
- 239000000843 powder Substances 0.000 description 11
- 239000003814 drug Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model belongs to the technical field of pharmaceutical particle drying equipment, and discloses a filtering structure of a boiling dryer, which comprises an air outlet pipe positioned in an inner cavity of the boiling dryer, wherein an air inlet end of the air outlet pipe is connected with two air inlet branch pipes, the two air inlet branch pipes are connected in parallel, net-shaped supporting frameworks are respectively arranged at air inlets of the two air inlet branch pipes, a cloth bag is wrapped on the surfaces of the two supporting frameworks, and an electric valve is respectively arranged on each air inlet branch pipe.
Description
Technical Field
The utility model belongs to the technical field of pharmaceutical particle drying equipment, and relates to a filtering structure of a boiling dryer.
Background
The fluidized bed drier is a drier, which is also called fluidized bed, and is generally composed of heater, main machine of fluidized bed, cyclone separator, bag dust collector, induced draft fan and operation desk, the air and medicine particle separator on the market is equipped with cyclone separator and bag separator, in which the cyclone separator has high efficiency, and the centrifugal rotary separation principle of different density substances is adopted, and the density of powder medicine particles is not great, and the density of air is not great, so that the powder medicine particles can be discharged along with air, and a lot of fine powder medicine particles can be discharged, and the bag separator can effectively reduce waste, but after a period of use, the surface of the bag adsorbs many powder medicine particles, weakening air circulation, affecting drying separation efficiency, and the existing bag on the market is flat cloth bag, and its air flow area is small, so that how to solve the technical problem of blocking material is large, and a lot of waste can be caused.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a filtering structure of a boiling dryer, and the technical problem to be solved by the utility model is how to solve the problem of blocking on the surface of a cloth bag.
The aim of the utility model can be achieved by the following technical scheme: the utility model provides a filtering structure of boiling dryer, includes an outlet duct that is located boiling dryer inner chamber, the inlet end of outlet duct is connected with two air inlet branch pipes, and two air inlet branch pipes are parallelly connected, two air inlet department of air inlet branch pipe is equipped with netted braced skeleton respectively, two braced skeleton's surface has all wrapped up in and has covered a sack, two be provided with an electric valve on the air inlet branch pipe respectively.
Further, the outer surfaces of the two air inlet frameworks are spherical crowns.
The beneficial effects are that: compared with the prior art, the utility model has the advantages of improving the drying efficiency and solving the technical problem of cloth bag blockage.
Drawings
FIG. 1 is a first view of the overall structure of the present utility model;
FIG. 2 is a first view of the overall structure of the present utility model;
FIG. 3 is a schematic view of a first view of the filter structure of the present utility model;
FIG. 4 is a second view of the filter structure of the present utility model;
fig. 5 is a schematic diagram showing an assembled structure of two intake branches and an electric valve of the present utility model.
In the figure: 1. an air outlet pipe; 201. a first intake manifold; 202. a second air intake branch pipe 3, a support frame; 401. a first cloth bag; 402. a second cloth bag; 5. an electric valve; 6. a drying chamber; 7. a material containing cavity; 8. a top cavity; 9. an air inlet pipe; 10. a feed pipe; 11. and a support plate.
Detailed Description
As shown in fig. 1-5, the following is a specific embodiment of the present utility model and the technical scheme of the present utility model is further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments, and the present utility model is a filtering structure of a boiling dryer, including an air outlet pipe 1 located in an inner cavity of the boiling dryer, an air inlet end of the air outlet pipe 1 is connected with two air inlet branch pipes, the two air inlet branch pipes are connected in parallel, a reticular supporting framework 3 is respectively disposed at an air inlet of the two air inlet branch pipes, surfaces of the two supporting frameworks 3 are wrapped with a cloth bag, electric valves 5 are respectively disposed on the two air inlet branch pipes, and outer surfaces of the two supporting frameworks 3 are spherical.
In this embodiment, the dryer of the utility model comprises a drying cavity 6, a material containing cavity 7 and a top cavity 8, wherein an endoscope is arranged at the front side of the drying cavity 6, an air inlet pipe 9 is arranged at the left side of the drying cavity, a feeding pipe 10 connected with a feeder is arranged at the rear side of the drying cavity, a material containing hopper is arranged at the bottom of the drying cavity 6, a trolley with a locking function is arranged at the outer side of the material containing hopper, a support plate 11 is arranged at the top cavity 8, an air outlet pipe 1 penetrates through and is fixed in the middle of the support plate 11, the cloth bag is an antistatic filter cloth, and an air outlet end of the air outlet pipe 1 is connected with an air suction port of a negative pressure fan.
When the granular powder is dried, air is heated by a heat exchanger to form hot air, the hot air is distributed into a main machine through a valve plate, wet materials are fed into a feeding device, a feeding pipe 10 and a drying cavity 6, the materials form a boiling state in the drying machine due to the action of wind pressure and are widely contacted with the hot air, an air suction port of a negative pressure fan generates negative pressure suction force through an air outlet pipe 1, an air inlet branch pipe, an electric valve 5, a supporting framework 3 and a cloth bag, the granular powder is filtered by the cloth bag, clean air is discharged into a filter tank through the cloth bag, the supporting framework 3, the electric valve 5, the air inlet branch pipe, the air outlet pipe 1 and the air suction port of the negative pressure fan, the powder can be covered on the surface of the cloth bag along with the accumulation of time, the smoothness of air circulation is weakened, and the electric valve 5 for controlling the two air inlet branch pipes is intermittently, alternatively and circularly opened or disconnected by taking a time period of 15 minutes to serve as a trigger point of a time relay.
When the electric valve 5 of the first air inlet branch pipe 201 is controlled to be disconnected, the first cloth bag 401 temporarily loses negative pressure suction, under the action of high-pressure wind force generated by rotation of the drying cavity 6, the first cloth bag 401 continuously shakes on the surface of the supporting framework 3, powder covered on the surface of the first cloth bag 401 can be shaken off, meanwhile, the electric valve 5 of the second air inlet branch pipe 202 is controlled to be opened, the second cloth bag 402 generates negative pressure suction, the powder covered on the surface of the second cloth bag 402 can be gradually increased along with the prolonging of time, after a triggering period, the electric valve 5 of the first air inlet branch pipe 201 is connected, the electric valve 5 of the second air inlet branch pipe 202 is disconnected, the first cloth bag 401 and the second cloth bag 402 continuously circulate intermittently, one cloth bag performs negative pressure filtering operation, and the other cloth bag performs shaking material cleaning.
The dried medicinal powder enters a material containing cavity 7, and the dried medicinal powder is pushed away by a trolley after the material containing cavity 7 is filled with medicinal materials.
Compared with the prior art, compared with the existing plane cloth bag, the spherical crown-shaped airflow working surface increases the flow area, and further solves the problem that cloth bag shaking cleaning is performed after a period of time, and the drying efficiency is improved.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (2)
1. The utility model provides a filtration of boiling dryer, its characterized in that, including an outlet duct (1) that is located boiling dryer inner chamber, the inlet end of outlet duct (1) is connected with two air inlet branch pipes, and two air inlet branch pipes are parallelly connected, two air inlet department of air inlet branch pipe is equipped with netted braced supporting framework (3) respectively, two the surface of braced supporting framework (3) has all wrapped up in one sack, two be provided with an electric valve (5) on the air inlet branch pipe respectively.
2. The filtering structure of a boiling dryer according to claim 1, characterized in that the outer surfaces of two of said supporting frameworks (3) are spherical crowns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321910846.XU CN220288129U (en) | 2023-07-19 | 2023-07-19 | Filtration structure of boiling dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321910846.XU CN220288129U (en) | 2023-07-19 | 2023-07-19 | Filtration structure of boiling dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220288129U true CN220288129U (en) | 2024-01-02 |
Family
ID=89342938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321910846.XU Active CN220288129U (en) | 2023-07-19 | 2023-07-19 | Filtration structure of boiling dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220288129U (en) |
-
2023
- 2023-07-19 CN CN202321910846.XU patent/CN220288129U/en active Active
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