CN112807881B - Gas taking device for pharmaceutical workshop - Google Patents
Gas taking device for pharmaceutical workshop Download PDFInfo
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- CN112807881B CN112807881B CN202110003729.4A CN202110003729A CN112807881B CN 112807881 B CN112807881 B CN 112807881B CN 202110003729 A CN202110003729 A CN 202110003729A CN 112807881 B CN112807881 B CN 112807881B
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- gas
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- rotating shaft
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- dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
Abstract
The invention discloses a gas taking device for a pharmaceutical workshop, which is used for taking gas from a local position of the pharmaceutical workshop and discharging the gas to a corresponding gas processing system through a pipeline. Specifically speaking, this scheme includes the casing, and the casing forms gets the gas passageway, is provided with on the casing and connects the dirt box, gets the gas passageway and includes the opening, sets up the filter screen in the opening, and the filter screen slope sets up in getting the gas passageway, is provided with the knocker in getting the gas passageway, and the knocker includes pivot, blade and shakes and beats the head, and it is rotatory to get the air current in the gas passageway and drive the blade, and then drives through the pivot and beat the head rotatory, makes to shake and beat the first intermittent type of beating filter screen. In the working process of the gas taking channel, the blade is driven by the airflow to rotate, the vibration head vibrates the filter screen, and dust accumulated on the filter screen can be separated from the filter screen after vibration, so that the gas taking channel is prevented from being blocked due to the blockage of the opening by the dust.
Description
Technical Field
The invention relates to the technical field of gas treatment equipment accessories, in particular to a gas taking device for a pharmaceutical workshop.
Background
With the enhancement of environmental awareness of people, gas treatment technologies are rapidly developed, and various gas treatment devices are widely applied. Taking a pharmaceutical workshop as an example, the pharmaceutical workshop is a place for processing medicines, and because different medicines have different components, the gas components in the pharmaceutical workshop are complex and can be discharged into the atmosphere after being processed. In addition, the gas generated in each station or each process step of the pharmaceutical plant may have different compositions and needs to be collected and treated separately.
Pharmaceutical plants are known in the art to be equipped with a variety of gas treatment systems for treating the different gases formed at the different stations. The various gas treatment systems are generally connected with corresponding stations through pipelines, and gas formed at each station is collected through the pipelines and then discharged to different gas treatment systems, and is discharged to the atmosphere after being treated by the corresponding gas treatment systems. Although the structure can meet the requirement of gas treatment in a pharmaceutical workshop, the gas is led out by directly adopting the pipeline, impurities in the gas easily block the pipeline, and the stability of a gas treatment system in the actual working process is poor.
Disclosure of Invention
The invention provides a gas taking device for a pharmaceutical workshop, which solves the technical problem that a gas taking channel of a gas treatment system is easy to block in the prior art.
Some embodiments adopted to solve the above technical problems include:
the utility model provides a gas taking device for pharmaceutical workshop for follow pharmaceutical workshop local space and take out gas, includes the casing, the casing forms and gets the gas passageway, the casing is provided with connects the dirt box, it includes the opening to get the gas passageway, the opening is located connect dirt box directly over the direction, it is provided with the filter screen to get the gas passageway, the filter screen slope set up in get the gas passageway in, the filter screen to connect dirt box to do orthographic projection, the filter screen is in connect the projection on the dirt box to be located completely connect in the dirt box still be provided with the knocker in getting the gas passageway, the knocker shakes the filter screen, makes the dust that gathers on the filter screen falls into connect dirt box, the knocker includes the pivot, be provided with the blade in the pivot, the pivot rotate connect in get in the gas passageway, still be provided with in the pivot and shake and beat the head, the air flow in the air taking channel drives the rotating shaft to rotate through the blades, so that the rapping head intermittently raps the filter screen.
The utility model discloses a pharmacy workshop is with getting gas device mainly used takes out gas from the local position in pharmacy workshop, and the rethread pipeline discharges to corresponding gas treatment system, and in the use, impurity is difficult for getting into in the pipeline to improve the stability in the corresponding gas treatment system working process. Specifically speaking, this scheme includes the casing, and the casing forms gets the gas passageway, is provided with on the casing and connects the dirt box, gets the gas passageway and includes the opening, sets up the filter screen in the opening, and the filter screen slope sets up in getting the gas passageway, is provided with the knocker in getting the gas passageway, and the knocker includes pivot, blade and shakes and beats the head, and it is rotatory to get the air current in the gas passageway and drive the blade, and then drives through the pivot and beat the head rotatory, makes to shake and beat the first intermittent type of beating filter screen. In the working process of the gas taking channel, the blade is driven by the airflow to rotate, the vibration head vibrates the filter screen, and dust accumulated on the filter screen can be separated from the filter screen after vibration or the position of the dust on the filter screen changes, so that the gas taking channel is prevented from being blocked due to the blockage of an opening by the dust, and the stability of the gas processing system is improved.
Preferably, a sponge block is arranged in the dust collecting box, a part of the sponge block extends to the air intake channel, the sponge block positioned in the air intake channel closes the air intake channel, and air flow positioned in the air intake channel penetrates through the sponge block positioned in the air intake channel.
In this scheme, connect the sponge piece in the dirt box to play the effect of absorption dust, the dust is difficult for breaking away from the sponge piece after getting into the sponge piece. In addition, the sponge block extending into the gas taking channel has the function of further filtering the gas in the gas taking channel, and the gas taking channel is not easy to block.
Preferably, the dust receiving box is provided with a liquid supply pool for supplying liquid to the sponge block, the liquid supply pool is communicated with the sponge block so as to supply the liquid to the sponge block, and dripping paper for dripping the liquid in the liquid supply pool into the sponge block is arranged between the liquid supply pool and the sponge block.
In this scheme, the setting of feed liquor pond and hourglass paper makes the feed liquor pond can be interrupted to the sponge piece confession liquid, and the sponge piece keeps moist to the adsorption efficiency of sponge piece has been optimized.
Preferably, the rapping head is fixed in the pivot through the spring, the one end of spring with rapping head fixed connection, the other end of spring with pivot fixed connection, every the rapping head all is fixed in through independent spring in the pivot, every the length of spring is all different to make different rapping heads to the filter screen has different intensity of rapping.
In this scheme, the spring has certain elastic deformation ability, and at the in-process of shaking the vibrations, the difficult card of pivot is dead, has optimized the stability of rapping device. Moreover, the springs have different lengths, and the rapping acting force born by the filter screen in the rapping process is changed, so that the performance of the rapper is optimized.
Preferably, the blades and the rotating shaft are of an integrated structure, the blades are three-dimensional curved surfaces, and the blades are divided into two groups, and the two groups of blades are symmetrically arranged around the midpoint of the rotating shaft.
In the scheme, the blades are three-dimensional blades, in actual work, the blades divide the acting force of airflow rotation into two component forces, one component force pushes the blades to rotate, the direction of the other component force is parallel to the axis of the rotating shaft, at the moment, the two groups of blades are symmetrically arranged, the component forces parallel to the rotating line of the rotating shaft can be mutually offset, and the stability of the rapping device in the working process is improved.
Preferably, the axis of the rotating shaft does not intersect with the axis of the air intake passage.
In the scheme, in the process that the blade drives the rotating shaft to rotate, the stress of one side of the rotating shaft is different from that of the other side of the rotating shaft, so that the rotating shaft is not easy to stop, and the stability of the vibrator is optimized.
Preferably, the rapping head is of a hollow structure, a balancing weight is arranged in the rapping head, the balancing weight is spherical, a buffer layer is arranged in the rapping head, and the thickness of the buffer layer is not less than 1 mm.
In this scheme, shake and beat the head and be hollow structure to, the balancing weight sets up in shaking and beats the head, and the balancing weight can shake first internalization, has improved the stability in the rapping device working process. The arrangement of the buffer layer reduces the noise of the rapping device in the working process and optimizes the use performance of the rapping device.
Preferably, the rapping head is wrapped by a rubber layer, the thickness of the rubber layer is less than 1mm, and a wear-resistant layer is coated outside the rubber layer.
In the scheme, the rubber layer is arranged to reduce the noise generated in the working process of the vibrator. The arrangement of the wear-resistant layer prolongs the service life of the vibration head.
Preferably, the shell is provided with a positioning ring for positioning the filter screen, the positioning ring is arranged on the shell through threads, and the inner side surface of the positioning ring is in a bell mouth shape which is beneficial for airflow to enter the air taking channel.
In this scheme, the filter screen easily assembles, has reduced the maintenance cost of gas taking device for the pharmaceutical workshop.
Preferably, the dust collecting box is inserted into the shell, a through hole for air to pass through is formed in the part, located in the air taking channel, of the dust collecting box, and a supporting net for supporting the sponge block is arranged in the through hole.
In this scheme, connect the dirt box easily with the casing assembly, reduced the maintenance cost of taking gas device for the pharmaceutical workshop.
Compared with the prior art, the gas taking device for the pharmaceutical workshop provided by the invention has the following advantages:
1. the filter screen is arranged to form a filter effect, and during the working process of the gas taking device for the pharmaceutical workshop, dust is not easy to enter the gas taking channel, so that the gas taking channel can be effectively prevented from being blocked, and the performance of the gas taking device for the pharmaceutical workshop is optimized.
2. The filter screen can be conveniently shaken by the vibrator, and dust is not easy to accumulate on the filter screen, so that the filter screen can be effectively prevented from being blocked, and the stability of the gas taking device in the pharmaceutical workshop in the working process is improved.
3. The blade sets up and makes the knocker need not external power supply, has reduced the use cost of pharmacy workshop with getting the gas device.
4. The dust collecting box is mainly used for receiving dust, the probability of secondary flying of the dust is reduced, and the performance of the gas taking device for the pharmaceutical workshop is optimized.
5. The sponge piece can be kept moist by the arrangement of the sponge piece and the liquid supply pool, dust in the sponge piece is not prone to flying again, and the performance of the gas taking device for the pharmaceutical workshop is further optimized.
Drawings
For purposes of explanation, several embodiments of the present technology are set forth in the following figures. The following drawings are incorporated herein and constitute a part of the detailed description. In some instances, well-known structures and components are shown in block diagram form in order to avoid obscuring the concepts of the subject technology.
FIG. 1 is a schematic view of the present invention in use.
FIG. 2 is a schematic view of the present invention.
Fig. 3 is a schematic view of the installation structure of the blade and the rapping head and the rotating shaft.
Fig. 4 is a schematic view of the internal structure of the rapping head.
In the figure, 1, a shell, 2, a gas taking channel, 3, a dust collecting box, 4, a filter screen, 5, a vibrator, 6, a rotating shaft, 7, blades, 8, a rapping head, 9, a sponge block, 10, a liquid supply tank, 11, leakage paper, 12, a spring, 13, a balancing weight, 14, a buffer layer, 15, a rubber layer, 16, a wear-resistant layer, 17, a positioning ring, 18 and a supporting net.
Detailed Description
The specific embodiments illustrated below are intended as descriptions of various configurations of the subject technology and are not intended to represent the only configurations in which the subject technology may be practiced. Specific embodiments include specific details for the purpose of providing a thorough understanding of the subject technology. It will be apparent, however, to one skilled in the art that the subject technology is not limited to the specific details shown herein and may be practiced without these specific details.
Generally, a gas taking pipe is arranged at each station of the pharmaceutical workshop and used for supplying waste gas generated at the station to a corresponding gas treatment system. Specifically, the gas treatment system generally includes a gas extraction device, which extracts the exhaust gas generated at the station through a pipeline and then discharges the exhaust gas into the gas treatment system, and the exhaust gas generated by the operation is correspondingly treated by the gas treatment system.
In practice, since the exhaust gas generated at each station of the pharmaceutical workshop may contain a large amount of dust/dirt, the gas is taken directly through the pipeline, and the dust/dirt is easy to accumulate in the pipeline, especially at the bent part of the pipeline, due to the turbulent effect of the air flow, the dust/dirt is easy to accumulate. Therefore, the gas should be filtered to prevent the pipe from being clogged before entering the pipe.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, a gas taking device for use in a pharmaceutical workshop for take out gas from the local space of the pharmaceutical workshop, including casing 1, casing 1 forms to get gas passageway 2, casing 1 is provided with to connect dirt box 3, it includes the opening to get gas passageway 2, the opening is located connect dirt box 3 directly over the direction, it is provided with filter screen 4 to get gas passageway 2, filter screen 4 slope set up in getting in gas passageway 2, filter screen 4 to connect dirt box 3 to be orthographic projection, filter screen 4 is in connect the projection on the dirt box 3 to be located completely connect in the dirt box 3 get gas passageway 2 in still be provided with rapping device 5, rapping device 5 raps filter screen 4, makes the dust that gathers on filter screen 4 fall into connect dirt box 3, rapping device 5 includes pivot 6, be provided with blade 7 in the pivot 6, the rotating shaft 6 is rotatably connected into the gas taking channel 2, the rotating shaft 6 is further provided with a vibrating head 8, the airflow in the gas taking channel 2 is driven by the blade 7 to rotate the rotating shaft 6, so that the vibrating head 8 intermittently vibrates the filter screen 4.
The housing 1 is usually made of plastic material, and in practical application, the material for making the housing 1 can be freely selected, however, it is preferable to use a chemically stable material for the housing 1 to avoid the chemical reaction between the housing 1 and the gas.
The filter screen 4 may be a filter screen 4 conventional in the art.
In the practical application process, the gas taking device for the pharmaceutical workshop is arranged at the corresponding station so as to collect the gas generated by the station, and the gas taking device for the pharmaceutical workshop is connected with the gas extractor of the gas treatment system through a pipeline. The piping should be connected to the gas handling system, whereby the gas at that station is taken out, then processed by the corresponding gas handling system, and finally discharged to the target location or atmosphere.
During the gas extraction process, a gas flow is formed in the gas extraction passage 2 under the action of the air extractor, and the gas flow is the waste gas generated by the corresponding station. When the air current flows in the air taking channel 2, acting force is applied to the blade 7, the rotating shaft 6 is driven to rotate under the action of the blade 7, and then the rotating shaft 6 drives the vibrating head 8 to rotate in the rotating process, so that the function of vibrating the filtering net 4 by the vibrating head 8 is realized. When the vibration head 8 vibrates the filter screen 4, dust is not easy to accumulate on the filter screen 4 due to the vibration of the filter screen 4, so that the filter screen 4 has stable air permeability. Furthermore, the pipeline is not easy to be blocked, and the stability of the gas treatment system is improved.
When the vibration head 8 vibrates the filter screen 4, the dust/dirt attached to the filter screen 4 is loosened or misplaced, so that the filter holes of the filter screen 4 can be prevented from being blocked. When the dust/dust does not have the bonding characteristic, the vibrator 5 can only vibrate the filter screen 4 to ensure that the filter holes of the filter screen 4 are kept smooth, and the dust/dust on the filter screen 4 can not enter the dust collection box at the moment due to certain acting force of air flow.
When the dust/dust has a bonding characteristic, that is, the volume of the dust/dust accumulated on the filter screen 4 increases with the increase of the accumulation amount, the rapping device 5 can shake off the dust/dust with the increased volume, and since the volume of the dust/dust has increased, the dust/dust with the increased volume cannot be sucked by the airflow, and the dust/dust with the increased volume enters the dust receiving box 3 under the action of gravity.
In some embodiments, a sponge block 9 is disposed in the dust collecting box 3, a part of the sponge block 9 extends to the air intake passage 2, the sponge block 9 in the air intake passage 2 closes the air intake passage 2, and the air flow in the air intake passage 2 passes through the sponge block 9 in the air intake passage 2.
The dust receiving box 3 is provided with a liquid supply pool 10 for supplying liquid to the sponge block 9, the liquid supply pool 10 is communicated with the sponge block 9 so as to supply the liquid to the sponge block 9, and dripping paper 11 for dripping the liquid in the liquid supply pool 10 into the sponge block 9 is arranged between the liquid supply pool 10 and the sponge block 9.
In practice, the sponge block 9 has air-permeable properties, and the sponge block 9 also has a certain adsorption capacity. For example, when a dust-containing air stream passes through the sponge block 9, a part of the dust adheres to the sponge block 9, and therefore, the sponge block 9 has a certain filtering property. In the pharmaceutical workshop, dust stagnant in the sponge block 9 may have a flying capability after the airflow containing dust/dirt is adsorbed by the sponge block 9, and therefore, the sponge block 9 can be moistened to accumulate or integrate the dust/dirt in the sponge block 9 into large particles, so that the dust/dirt is prevented from flying.
The drip paper 11 refers to a paper for discharging liquid in a leakage state, such as the drip paper 11 for coffee, and the like. The proposal is mainly used for wetting the sponge block 9 but not excessively wetting, namely, for avoiding that the sponge is in a saturated state to cause liquid to enter the air intake channel 2.
The drip paper 11 may be replaced with a valve structure having intermittent feeding capability to keep the sponge block 9 wet.
In some embodiments, the vibration head 8 is fixed on the rotating shaft 6 through a spring 12, one end of the spring 12 is fixedly connected with the vibration head 8, the other end of the spring 12 is fixedly connected with the rotating shaft 6, each vibration head 8 is fixed on the rotating shaft 6 through an independent spring 12, and the length of each spring 12 is different, so that different vibration heads 8 have different vibration intensity on the filter screen 4.
One end of the spring 12 may be welded to the shaft 6, and the other end of the spring 12 may be welded to the rapping head 8. The spring 12 may be replaced by other structures having elastic deformation capability. Because the rapping head 8 and the filter screen 4 have a certain interference, the rapping head 8 and the rotating shaft 6 should be connected by a structure with elastic deformation capability, so that the rapping head 8 can continue to move smoothly after rapping the filter screen 4, and further the rotating shaft 6 can rotate in sequence.
The blades 7 and the rotating shaft 6 are of an integrated structure, the blades 7 are three-dimensional curved surfaces, two groups of blades 7 are arranged, and the two groups of blades 7 are symmetrically arranged relative to the midpoint of the rotating shaft 6. The axis of the rotating shaft 6 does not intersect with the axis of the gas taking channel 2.
The blade 7 is a three-dimensional curved surface, and the blade 7 is easy to rotate by the airflow, so that the vibrator 5 has stable performance. However, because the blades 7 are three-dimensional curved surfaces, the acting force applied by the airflow to the blades 7 is divided into two component forces, one component force can push the blades 7 to rotate, and the other component force is directed along the axial direction of the rotating shaft 6, so that the two groups of blades 7 are symmetrically arranged, and the component forces along the axial direction of the rotating shaft 6 are mutually offset.
The vibration head 8 is of a hollow structure, a balancing weight 13 is arranged in the vibration head 8, the balancing weight 13 is spherical, a buffer layer 14 is arranged in the vibration head 8, and the thickness of the buffer layer 14 is not less than 1 mm. The vibration striking head 8 is wrapped by a rubber layer 15, the thickness of the rubber layer 15 is smaller than 1mm, and a wear-resistant layer 16 is coated outside the rubber layer 15.
The buffer layer 14 and the rubber layer 15 are arranged to reduce the noise generated during the operation of the rapping device 5 so as to optimize the application performance of the gas-taking device for the pharmaceutical workshop. The material of the balancing weight 13 is not limited, and the balancing weight 13 can move in the rapping head 8, so that the rapping device 5 is prevented from being in a balanced state and being incapable of rotating, and the application performance of the gas taking device for the pharmaceutical workshop is optimized.
In some embodiments, a positioning ring 17 for positioning the filter screen 4 is disposed on the housing 1, the positioning ring 17 is disposed on the housing 1 through a thread, and an inner side surface of the positioning ring 17 is in a bell mouth shape for facilitating an air flow to enter the air intake channel 2.
The dust collecting box 3 is inserted into the casing 1, a through hole for air flow to pass through is arranged on the part of the dust collecting box 3 positioned in the air taking channel 2, and a supporting net 18 for supporting the sponge block 9 is arranged on the through hole.
The retainer 17 may be provided with anti-slip threads, which may be provided along the axial direction of the retainer 17 to prevent slipping when the retainer 17 is rotated.
While the subject matter of the present invention has been described with reference to the accompanying drawings and detailed description thereof, it is to be understood that the foregoing is merely illustrative of some embodiments of the subject matter of the present invention and that certain details may be omitted.
In addition, in some of the embodiments disclosed above, there is a possibility that a plurality of embodiments may be combined and implemented, and various combinations are not listed at length. The implementation embodiments can be freely combined according to the requirements when the technical personnel in the field carry out the implementation so as to obtain better application experience.
It will be apparent to those skilled in the art that other arrangements or figures of detail can be derived from the subject matter and figures without departing from the subject matter and scope of the invention.
Claims (4)
1. A gas extraction device for a pharmaceutical workshop for extracting gas from a local space of the pharmaceutical workshop, comprising a housing (1), characterized in that: the gas collecting device is characterized in that a gas collecting channel (2) is formed in the shell (1), the shell (1) is provided with a dust collecting box (3), the gas collecting channel (2) comprises an opening, the opening is located in the upward direction of the dust collecting box (3), a filter screen (4) is arranged in the gas collecting channel (2), the filter screen (4) is obliquely arranged in the gas collecting channel (2), the filter screen (4) is arranged in the dust collecting box (3) to form an orthographic projection, the projection of the filter screen (4) on the dust collecting box (3) is completely located in the dust collecting box (3), a vibrator (5) is further arranged in the gas collecting channel (2), the vibrator (5) vibrates the filter screen (4), so that dust accumulated on the filter screen (4) falls into the dust collecting box (3), the vibrator (5) comprises a rotating shaft (6), and a blade (7) is arranged on the rotating shaft (6), the rotating shaft (6) is rotatably connected into the gas taking channel (2), the rotating shaft (6) is also provided with a vibrating head (8), and the rotating shaft (6) is driven to rotate by the airflow in the gas taking channel (2) through a blade (7), so that the vibrating head (8) intermittently vibrates the filter screen (4);
a sponge block (9) is arranged in the dust receiving box (3), one part of the sponge block (9) extends to the air intake channel (2), the sponge block (9) positioned in the air intake channel (2) closes the air intake channel (2), and the air flow positioned in the air intake channel (2) passes through the sponge block (9) positioned in the air intake channel (2);
the dust receiving box (3) is provided with a liquid supply pool (10) for supplying liquid to the sponge block (9), the liquid supply pool (10) is communicated with the sponge block (9) to supply the liquid to the sponge block (9), and a piece of leakage paper (11) for dropping the liquid in the liquid supply pool (10) into the sponge block (9) is arranged between the liquid supply pool (10) and the sponge block (9);
the vibration striking head (8) is fixed on the rotating shaft (6) through a spring (12), one end of the spring (12) is fixedly connected with the vibration striking head (8), the other end of the spring (12) is fixedly connected with the rotating shaft (6), each vibration striking head (8) is fixed on the rotating shaft (6) through an independent spring (12), and the length of each spring (12) is different, so that different vibration striking heads (8) have different vibration striking strengths on the filter screen (4);
the blades (7) and the rotating shaft (6) are of an integrated structure, the blades (7) are three-dimensional curved surfaces, two groups of blades (7) are arranged, and the two groups of blades (7) are symmetrically arranged relative to the middle point of the rotating shaft (6);
the axis of the rotating shaft (6) does not intersect with the axis of the gas taking channel (2);
the vibration beating head (8) is of a hollow structure, a balancing weight (13) is arranged in the vibration beating head (8), the balancing weight (13) is spherical, a buffer layer (14) is arranged in the vibration beating head (8), and the thickness of the buffer layer (14) is not less than 1 mm.
2. The gas extraction device for the pharmaceutical workshop according to claim 1, wherein: the vibration striking head (8) is wrapped by a rubber layer (15), the thickness of the rubber layer (15) is smaller than 1mm, and a wear-resistant layer (16) is coated outside the rubber layer (15).
3. The gas extraction device for the pharmaceutical workshop according to claim 1, wherein: the air intake device is characterized in that a positioning ring (17) for positioning the filter screen (4) is arranged on the shell (1), the positioning ring (17) is arranged on the shell (1) through threads, and the inner side surface of the positioning ring (17) is in a horn mouth shape which is beneficial for air flow to enter the air intake channel (2).
4. The gas extraction device for the pharmaceutical workshop according to claim 1, wherein: the dust collecting box (3) is inserted into the shell (1), through holes for air to pass through are formed in the part, located in the air taking channel (2), of the dust collecting box (3), and supporting nets (18) for supporting the sponge blocks (9) are arranged in the through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110003729.4A CN112807881B (en) | 2021-01-04 | 2021-01-04 | Gas taking device for pharmaceutical workshop |
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|---|---|---|---|
| CN202110003729.4A CN112807881B (en) | 2021-01-04 | 2021-01-04 | Gas taking device for pharmaceutical workshop |
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| CN112807881A CN112807881A (en) | 2021-05-18 |
| CN112807881B true CN112807881B (en) | 2022-09-16 |
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| CN104667642A (en) * | 2013-11-26 | 2015-06-03 | 西安中科麦特电子技术设备有限公司 | Dust removal exhaust system for Chinese medicinal herb processing workshop |
| WO2016101884A1 (en) * | 2014-12-24 | 2016-06-30 | 刘栋玲 | Portable air filtering device |
| CN206444383U (en) * | 2016-12-29 | 2017-08-29 | 江西中藻生物科技股份有限公司 | Spirulina dust collecting |
| CN108325319A (en) * | 2018-03-02 | 2018-07-27 | 苏州万君筑天建设工程有限公司 | A kind of protective device being easily installed in the high-efficiency pollution-proof dye of medicament compartment |
| CN110694407A (en) * | 2019-10-18 | 2020-01-17 | 郭志斌 | Waste gas environmental protection is handled with purifying spray set |
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| CN112807881A (en) | 2021-05-18 |
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