CN115523573A - Explosion-proof exhaust system of workshop is cleaned to alcohol - Google Patents
Explosion-proof exhaust system of workshop is cleaned to alcohol Download PDFInfo
- Publication number
- CN115523573A CN115523573A CN202211217871.XA CN202211217871A CN115523573A CN 115523573 A CN115523573 A CN 115523573A CN 202211217871 A CN202211217871 A CN 202211217871A CN 115523573 A CN115523573 A CN 115523573A
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- Prior art keywords
- exhaust
- explosion
- proof
- sparkless
- alcohol
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/136—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas explosion-proof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Prevention Of Fouling (AREA)
Abstract
The invention discloses an explosion-proof exhaust system of an alcohol wiping workshop, which is characterized in that: comprises an exhaust funnel and an exhaust unit arranged in the exhaust end of the exhaust funnel; the exhaust unit comprises a rectangular support plate radially arranged inside the air outlet end of the exhaust funnel, a sparkless explosion-proof motor arranged in the middle of the rectangular support plate along the axial direction of the exhaust funnel, fan blades evenly arranged on an output shaft of the sparkless explosion-proof motor, and a heat dissipation ring attached to the outer side of the sparkless explosion-proof motor. The exhaust unit provided by the invention can conveniently exhaust the alcohol gas in the alcohol wiping workshop to the external environment, and the sparkless explosion-proof motor is used for effectively dissipating heat and preventing backflow of the gas containing alcohol, so that the harmful effects of deflagration and the like caused by sparks can be effectively avoided.
Description
Technical Field
The invention relates to the technical field of exhaust equipment, in particular to an explosion-proof exhaust system for an alcohol wiping workshop.
Background
In an electronic production plant, electronic products are sensitive to pollution such as dust, and alcohol is also needed to be used for wiping the electronic products during cleaning, so that a large amount of volatile alcohol exists in air in an alcohol wiping workshop of the electronic products, and therefore the alcohol needs to be discharged through an exhaust system and fresh air needs to be introduced in time.
Due to the flammable and explosive nature of alcohol, major safety hazards can result once sparks occur in a workshop. And the exhaust system that prior art adopted is not convenient for dispel the heat to the motor, and the motor during operation produces high temperature and can cause volatile alcohol to take place the danger of blasting, still can't prevent that exhaust alcohol gas from flowing back and have serious potential safety hazard.
Disclosure of Invention
In order to effectively solve the problems in the background art, the invention provides the following technical scheme: the utility model provides an explosion-proof exhaust system in workshop is cleaned to alcohol which characterized in that: the air exhaust device comprises an exhaust funnel, an exhaust unit arranged in the exhaust end of the exhaust funnel and an air introduction unit arranged at the upper end of the outer side part of the exhaust funnel;
the exhaust unit comprises a rectangular support plate radially arranged inside the air outlet end of the exhaust funnel, a sparkless explosion-proof motor arranged in the middle of the rectangular support plate along the axial direction of the exhaust funnel, fan blades uniformly arranged on an output shaft of the sparkless explosion-proof motor, and a heat dissipation ring attached to the outer side part of the sparkless explosion-proof motor;
the air introducing unit comprises a vertical supporting plate fixedly connected to the upper end of the outer side portion of the exhaust funnel, a sparkless explosion-proof type fan horizontally installed at the upper end of the vertical supporting plate, an L-shaped air suction pipe arranged at the air inlet end of the sparkless explosion-proof type fan and communicated to the outside of a workshop, and an air outlet pipe arranged at the air outlet end of the sparkless explosion-proof type fan and communicated to the inside of the workshop.
Further: the exhaust unit further comprises rectangular radiating fins which are uniformly arranged on the circumferential side of the radiating ring along the radial direction of the exhaust funnel, and radiating through holes are uniformly formed in the side faces of the rectangular radiating fins at equal intervals.
Further: the exhaust unit further comprises a backflow prevention module; the backflow prevention module comprises a pair of first supporting lugs and fixed connection portions, wherein the first supporting lugs are arranged on the radially inner side of the air inlet end of the exhaust funnel, the fixed connection portions are arranged on two sides of the first supporting lug, a first movable block is arranged on the first rotating shaft in a rotating mode, the first movable block is fixedly connected with the circular backflow prevention plate coaxially arranged with the exhaust funnel, and the radially inner side face of the exhaust funnel is further provided with an annular baffle plate correspondingly attached to the axially outer side face of the circular backflow prevention plate.
Wherein: the bird-preventing device also comprises a rectangular exhaust nozzle arranged at the air outlet end of the exhaust funnel and a bird-preventing flying-in unit arranged on the outer side surface of the rectangular exhaust nozzle;
the bird-preventing flying-in unit comprises a support lug II and two fixed connection sides, wherein the support lug II is arranged in the middle of the lower end face of the rectangular exhaust nozzle and is symmetrically arranged on two sides of a rotating shaft II of the support lug II, one side end of the rotating shaft II is rotatably arranged on a rectangular support frame arranged on the two sides of the rotating shaft and is provided with a rectangular blocking net in the middle of the rectangular support frame, and a locking block I on the other side end of the rectangular support frame is connected with a locking block screw rod in a threaded manner and is arranged on the upper end face of the rectangular exhaust nozzle and a locking block II corresponding to the locking block I in a threaded manner, so that the rectangular exhaust nozzle is closed with the rectangular support frame in a threaded manner.
Wherein: the outer end part of the screw rod is also provided with a turntable.
Compared with the prior art, the exhaust unit provided by the invention can conveniently exhaust the alcohol gas in the alcohol wiping workshop to the external environment, and the sparkless explosion-proof motor is used for effectively dissipating heat and preventing backflow of the gas containing alcohol, so that the harmful effects of deflagration and the like caused by sparks can be effectively avoided.
Drawings
Fig. 1 is a schematic view of a perspective front side three-dimensional structure according to the present invention.
Fig. 2 is a schematic diagram of the rear side three-dimensional structure of the present invention.
FIG. 3 is a schematic view of a front side three-dimensional structure of another view angle of the present invention.
In the figure: 1. the air exhaust device comprises an exhaust cylinder, 2, a rectangular exhaust nozzle, 3, an exhaust unit, 31, a rectangular support plate, 32, a sparkless explosion-proof motor, 33, fan blades, 34, a radiating ring, 35, a rectangular radiating fin, 36, a radiating through hole, 37, a first movable block, 38, a first supporting lug, 39, a first rotating shaft, 310, a circular anti-backflow plate, 311, an annular baffle, 4, an anti-bird flying-in unit, 41, a second supporting lug, 42, a second rotating shaft, 43, a second movable block, 44, a rectangular support frame, 45, a rectangular blocking net, 46, a first locking block, 47, a screw rod, 48, a rotating disc, 49, a second locking block, 410, a threaded hole, 5, an air introducing unit, 51, a vertical support plate, 52, the sparkless explosion-proof fan, 53, an air outlet pipe and 54.L-shaped air suction pipe.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1:
referring to fig. 1-3, embodiment 1 provides an explosion-proof exhaust system for alcohol wiping workshop, which is characterized in that: comprises an exhaust funnel 1, an exhaust unit 3 arranged in the exhaust end of the exhaust funnel 1, and an air introducing unit 5 arranged at the upper end of the outer side part of the exhaust funnel 1;
the exhaust unit 3 comprises a rectangular support plate 31 which is radially arranged inside the air outlet end of the exhaust cylinder 1, a sparkless explosion-proof motor 32 which is arranged in the middle of the rectangular support plate 31 along the axial direction of the exhaust cylinder 1, fan blades 33 which are uniformly arranged on the output shaft of the sparkless explosion-proof motor 32, and a heat dissipation ring 34 which is attached to the outer side part of the sparkless explosion-proof motor 32; the exhaust unit 3 also comprises rectangular radiating fins 35 which are uniformly arranged on the circumferential side of the radiating ring 34 along the radial direction of the exhaust cylinder 1, and radiating through holes 36 are uniformly formed on the side surfaces of the rectangular radiating fins 35 at equal intervals; the exhaust unit 3 further comprises a backflow prevention module; the backflow prevention module comprises a pair of supporting lugs I38 arranged on the radial inner side of the air inlet end of the exhaust funnel 1, a rotating shaft I39 fixedly connected to the supporting lugs I38 on the two sides, a movable block I37 rotatably sleeved on the rotating shaft I39, and a circular backflow prevention plate 310 fixedly connected with the movable block I37 and coaxially arranged with the exhaust funnel 1, wherein an annular baffle 311 correspondingly attached to the axial outer side surface of the circular backflow prevention plate 310 is further arranged on the radial inner side surface of the exhaust funnel 1;
the air introducing unit 5 includes a vertical support plate 51 fixedly coupled to an upper end of an outer side portion of the exhaust stack 1, a sparkless explosion-proof type blower 52 horizontally mounted on an upper end of the vertical support plate 51, an L-shaped air suction pipe 54 provided at an air inlet end of the sparkless explosion-proof type blower 52 and communicated to an outside of a workshop, and an air outlet pipe 53 provided at an air outlet end of the sparkless explosion-proof type blower 52 and communicated to an inside of the workshop.
Working principle of the embodiment 1:
when the alcohol-containing gas in the alcohol wiping workshop needs to be exhausted to the external environment, the sparkless explosion-proof motor 32 is started to work, the output shaft of the sparkless explosion-proof motor 32 drives the fan blades 33 to rotate, the circular anti-backflow plate 310 is pushed to rotate around the first rotating shaft 39 by the airflow in the workshop and is not in contact with the annular baffle 311 any more to open an exhaust channel, and therefore the alcohol-containing gas in the alcohol wiping workshop is exhausted to the external space through the exhaust funnel 1;
in the working process of the sparkless explosion-proof motor 32, the heat dissipation ring 34 can absorb heat generated in the working process of the sparkless explosion-proof motor 32, and the rectangular heat dissipation fins 35 increase the contact area of the heat dissipation ring 34 and air, so that the heat dissipation effect is better;
when the sparkless explosion-proof motor 32 stops working and alcohol-containing gas reflows along the exhaust pipe 1, the alcohol gas pushes the circular anti-backflow plate 310 to reversely rotate around the first rotating shaft 39, so that the circular anti-backflow plate 310 and the annular baffle 311 are contacted again to close the exhaust channel, and the backflow is effectively avoided;
when it is required to introduce fresh air from the outside environment into the alcohol wiping plant, the sparkless explosion-proof type fan 52 is turned on to operate, so that fresh air at a higher position is sucked through the L-shaped suction pipe 54 and introduced into the alcohol wiping plant through the outlet pipe 53.
This embodiment 1 makes the alcohol gas who wipes in the workshop with alcohol that can be convenient discharge to external environment through the exhaust unit 3 that sets up, and uses no spark explosion-proof type motor 32 and carries out effectual heat dissipation and prevent the gas backward flow that contains the alcohol to no spark explosion-proof type motor 32, consequently, can effectually avoid the production of spark in order to lead to harmful results such as detonation.
Example 2:
based on the embodiment 1, the embodiment 2 further includes a rectangular exhaust nozzle 2 disposed at the air outlet end of the exhaust funnel 1, and an anti-bird flying unit 4 mounted on the outer side surface of the rectangular exhaust nozzle 2; the bird flying prevention unit 4 comprises two support lugs 41 symmetrically arranged in the middle of the lower end face of the rectangular exhaust nozzle 2, a second rotating shaft 42 fixedly connected to the two support lugs 41 on two sides, a rectangular support frame 44 with one side end rotatably arranged on the second rotating shaft 42 through a second movable block 43, a rectangular blocking net 45 arranged in the middle of the rectangular support frame 44, a first locking block 46 arranged at the other side end of the rectangular support frame 44, a screw 47 in threaded connection with the first locking block 46 and a rotary disc 48 arranged at the outer end part of the screw 47, and a second locking block 49 arranged on the upper end face of the rectangular exhaust nozzle 2 and corresponding to the first locking block 46, wherein the rectangular exhaust nozzle 2 is closed with the rectangular support frame 44 through threaded connection of the screw 47 with the first locking block 46 and the second locking block 49.
The working principle of the embodiment 2 is as follows:
the rectangular support frame 44 is rotated to drive the rectangular blocking net 45 to rotate around the second rotating shaft 42, so that the rectangular support frame 44 is attached to the rectangular exhaust nozzle 2, and the first locking block 46 and the second locking block 49 are locked by driving the screw rod 47 through the turntable 48, and therefore the rectangular exhaust nozzle 2 can be shielded by the rectangular blocking net 45 to avoid birds flying in.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. The utility model provides an explosion-proof exhaust system in workshop is cleaned to alcohol which characterized in that: the air exhaust device comprises an exhaust funnel (1), an exhaust unit (3) arranged in the exhaust end of the exhaust funnel (1), and an air introduction unit (5) arranged at the upper end of the outer side part of the exhaust funnel (1);
the exhaust unit (3) comprises a rectangular support plate (31) which is radially arranged inside the air outlet end of the exhaust funnel (1), a sparkless explosion-proof motor (32) which is arranged in the middle of the rectangular support plate (31) along the axial direction of the exhaust funnel (1), fan blades (33) which are uniformly arranged on an output shaft of the sparkless explosion-proof motor (32), and a heat dissipation ring (34) which is attached to the outer side part of the sparkless explosion-proof motor (32);
the air introducing unit (5) comprises a vertical supporting plate (51) fixedly connected to the upper end of the outer side portion of the exhaust funnel (1), a sparkless explosion-proof type fan (52) horizontally mounted on the upper end of the vertical supporting plate (51), an L-shaped air suction pipe (54) arranged at the air inlet end of the sparkless explosion-proof type fan (52) and communicated to the outside of a workshop, and an air outlet pipe (53) arranged at the air outlet end of the sparkless explosion-proof type fan (52) and communicated to the inside of the workshop.
2. The explosion-proof exhaust system of an alcohol wiping plant according to claim 1, characterized in that: the exhaust unit (3) further comprises rectangular radiating fins (35) which are uniformly arranged on the circumferential side of the radiating ring (34) along the radial direction of the exhaust barrel (1), and radiating through holes (36) are uniformly formed in the side faces of the rectangular radiating fins (35) at equal intervals.
3. The explosion-proof exhaust system of an alcohol wiping plant according to claim 2, characterized in that: the exhaust unit (3) further comprises a backflow prevention module; the anti-return module is including installing a pair of support ear (38), fixed connection to both sides of aiutage (1) inlet end radial inboard support one (38), rotate the cover and establish movable block one (37) on pivot one (39), and with movable block one (37) fixed connection and with circular anti-return board (310) of aiutage (1) coaxial setting, the radial medial surface of aiutage (1) is still installed and is corresponded the laminating and be in circular anti-return board (310) the annular baffle (311) of axial lateral surface.
4. The explosion-proof exhaust system of an alcohol wiping plant according to claim 1, characterized in that: the device also comprises a rectangular exhaust nozzle (2) arranged at the air outlet end of the exhaust funnel (1) and an anti-bird flying-in unit (4) arranged on the outer side surface of the rectangular exhaust nozzle (2);
bird flying-in prevention unit (4) is installed including the symmetry support ear two (41) of terminal surface middle part under rectangle exhaust nozzle (2), fixed connection to both sides support pivot two (42) of ear two (41), and one side end is rotated through movable block two (43) and is installed rectangle carriage (44) on pivot two (42) set up rectangle carriage (44) middle part rectangle keeps off net (45), sets up the latch segment (46) of the other side of rectangle carriage (44), with latch segment one (46) threaded connection's screw rod (47), and set up rectangle exhaust nozzle (2) up end and with latch segment two (49) that latch segment one (46) correspond, through screw rod (47) with the threaded connection of latch segment one (46) and latch segment two (49) realizes the closure of rectangle exhaust nozzle (2) and rectangle carriage (44).
5. The explosion-proof exhaust system of an alcohol wiping plant according to claim 4, characterized in that: the outer end part of the screw rod (47) is also provided with a rotating disc (48).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211217871.XA CN115523573A (en) | 2022-09-30 | 2022-09-30 | Explosion-proof exhaust system of workshop is cleaned to alcohol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211217871.XA CN115523573A (en) | 2022-09-30 | 2022-09-30 | Explosion-proof exhaust system of workshop is cleaned to alcohol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115523573A true CN115523573A (en) | 2022-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211217871.XA Pending CN115523573A (en) | 2022-09-30 | 2022-09-30 | Explosion-proof exhaust system of workshop is cleaned to alcohol |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115523573A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117410995A (en) * | 2023-12-04 | 2024-01-16 | 河南柏科沃电子科技有限公司 | Self-adaptive adjusting type active power filter |
-
2022
- 2022-09-30 CN CN202211217871.XA patent/CN115523573A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117410995A (en) * | 2023-12-04 | 2024-01-16 | 河南柏科沃电子科技有限公司 | Self-adaptive adjusting type active power filter |
| CN117410995B (en) * | 2023-12-04 | 2024-04-02 | 河南柏科沃电子科技有限公司 | Self-adaptive adjusting type active power filter |
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Address after: 215000 Room 302, building 22, No.158, Jinfeng Road, high tech Zone, Suzhou City, Jiangsu Province Applicant after: Suzhou Mankai System Integration Co.,Ltd. Address before: 215000 Room 302, building 22, No.158, Jinfeng Road, high tech Zone, Suzhou City, Jiangsu Province Applicant before: Suzhou Hedongli System Integration Technology Co.,Ltd. |