CN219854031U - Positive pressure air supply system of sand blasting room - Google Patents
Positive pressure air supply system of sand blasting room Download PDFInfo
- Publication number
- CN219854031U CN219854031U CN202320984507.XU CN202320984507U CN219854031U CN 219854031 U CN219854031 U CN 219854031U CN 202320984507 U CN202320984507 U CN 202320984507U CN 219854031 U CN219854031 U CN 219854031U
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- Prior art keywords
- room
- sand blasting
- communicated
- purifying
- pipeline
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- 238000005488 sandblasting Methods 0.000 title claims abstract description 64
- 238000000746 purification Methods 0.000 claims abstract description 13
- 238000004064 recycling Methods 0.000 claims abstract description 6
- 238000011084 recovery Methods 0.000 claims description 14
- 238000005422 blasting Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 abstract description 33
- 230000036541 health Effects 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a positive pressure air supply system of a sand blasting room, which comprises: a sand blasting room; the purifying room is communicated with the sand blasting room through an inlet pipeline; a filter is arranged in the purifying room; the collecting bin is communicated with the sand blasting room through a first recycling pipeline at one end, and is communicated with the purifying room through a second recycling pipeline at the other end; the discharge port is communicated with the purification room through a collecting pipeline; the positive pressure fan is connected with the sand blasting room through an air supply pipeline; the back blower is arranged in the purifying room, and the air outlet of the back blower is aligned with the filter; the negative pressure fan is communicated with the discharge port; wherein, be equipped with the first grid that can open and close in the purification room, control the intercommunication or the closure in purification room and collection storehouse. The utility model quickens the air circulation in the sand blasting room, ensures that the dust in the sand blasting room is settled quickly, and reduces the harm of the flying dust in the sand blasting room to the health of workers.
Description
Technical Field
The utility model relates to the technical field of dust removal of sand blasting rooms, in particular to a positive pressure air supply system of a sand blasting room.
Background
During the sand blasting operation of the sand blasting room, a large amount of dust is generated, and the generated dust is harmful to the physical and mental health of operators in the sand blasting room. If the dust is simply deposited naturally, a lot of time is required, the efficiency is slow, and the dust flying in the sandblasting room is harmful to the health of workers.
Disclosure of Invention
The utility model aims to provide a positive pressure air supply system of a sand blasting room, which accelerates air circulation in the sand blasting room, ensures that dust in the sand blasting room is quickly settled, and reduces the health hazard of flying dust in the sand blasting room to workers.
The embodiment of the utility model is realized by the following technical scheme:
a sandblasting booth positive pressure air supply system comprising:
a sand blasting room;
the purifying room is communicated with the sand blasting room through an inlet pipeline; a filter is arranged in the purifying room;
the collecting bin is communicated with the sand blasting room through a first recycling pipeline at one end, and is communicated with the purifying room through a second recycling pipeline at the other end;
a discharge port, which communicates with the purification room through a collection pipe;
the positive pressure fan is connected with the sand blasting room through an air supply pipeline;
the back blower is arranged in the purifying room, and the air outlet of the back blower is aligned with the filter;
the negative pressure fan is communicated with the discharge port;
the purifying room is internally provided with a first grid which can be opened and closed, and the communicating or closing of the purifying room and the collecting bin is controlled.
In one embodiment of the utility model, the blasting booth comprises:
the sand blasting room comprises a sand blasting room body, wherein an air supply shaft is arranged at the top of the sand blasting room body, and a first opening is formed in the bottom of the sand blasting room body;
the first negative pressure air draft well is arranged at the first opening and is communicated with the purification room through the inlet pipeline and is communicated with the collection bin through the first recovery pipeline;
the second grille is arranged in the sand blasting room body and is positioned above the first negative pressure air suction well.
In an embodiment of the present utility model, a filter layer is disposed in the air supply shaft.
In one embodiment of the utility model, the clean room comprises:
the purifying room body is communicated with the sand blasting room through the inlet pipeline; the top of the purification room body is communicated with the discharge port through a collecting pipeline; the bottom of the purifying room body is also provided with a second opening;
the second negative pressure air draft well is arranged at the second opening and is communicated with the collecting bin through the second recovery pipeline;
the first grille is arranged in the purifying room body and is positioned above the second negative-pressure air draft well.
In one embodiment of the present utility model, the first grille includes:
the frame body is arranged in the purifying room body;
the fan blades are respectively arranged on the frame body in a rotating way;
the driving part is used for driving the fan blades to rotate.
In an embodiment of the present utility model, the driving part includes:
the driven gears are a plurality of; one end of each fan blade extends out of the frame body and is respectively connected with the driven gear;
the double-sided racks are arranged on the outer side wall of the frame body in a sliding manner, and one sides of the double-sided racks are respectively meshed with the driven gears;
the driving gear is meshed with the other surface of the double-sided rack;
and the motor is used for driving the driving gear to rotate.
In one embodiment of the utility model, the filter comprises a plurality of cartridges.
The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:
when the positive pressure air supply system of the sand blasting room is used, the first grille is in a closed state, the positive pressure fan works, air enters the sand blasting room through the air supply pipeline, so that dust in the sand blasting room is sunk, meanwhile, the negative pressure fan is started, part of dust directly falls into the collecting bin through the first recovery pipeline, the other part of dust enters the purifying room through the inlet pipeline, and the filter in the purifying room adsorbs the dust, so that purified air is discharged from the discharge port; after a period of time, when the sand blasting room is used or the filter filtration reaches saturation, the first grille is opened, and the back blower enables dust adsorbed on the filter to fall down and fall into the collection bin through the first grille. The utility model quickens the air circulation in the sand blasting room, ensures that the dust in the sand blasting room is settled quickly, and reduces the harm of the flying dust in the sand blasting room to the health of workers.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic structural view of the first grille.
Icon: 1-sandblast room, 11-sandblast room body, 11 a-air supply well, 11 b-filter layer, 12-first negative pressure air draft well, 13-second grille, 2-purification room, 21-purification room body, 22-second negative pressure air draft well, 23-first grille, 231-frame body, 232-flabellum, 233-driven gear, 234-double-sided rack, 235-driving gear, 236-motor, 24-filter cartridge, 3-collection bin, 4-discharge port, 5-positive pressure fan, 6-back blower, 7-negative pressure fan, 100-inlet pipeline, 200-first recovery pipeline, 300-second recovery pipeline, 400-air supply pipeline, 500-collection pipeline.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance. Merely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1, a positive pressure air supply system of a sand blasting room comprises a sand blasting room 1, a purifying room 2, a collecting bin 3, a discharge port 4, a positive pressure fan 5, a counter-blowing fan 6 and a negative pressure fan 7.
Specifically, as shown in fig. 1, the sandblasting booth 1 includes a sandblasting booth body 11, a first negative pressure suction shaft 12, and a second grill 13; the purification room 2 comprises a purification room body 21, a second negative pressure air draft well 22 and a first grid 23; one end of the collecting bin 3 is communicated with the first negative pressure air draft well 12 of the sand blasting room 1 through a first recovery pipeline 200, and the other end is communicated with the purifying room body 21 of the purifying room 2 through a second recovery pipeline 300.
In this embodiment, the collection bin 3 is disposed below the sandblasting room body 11 and the purifying room body 21, and the middle parts of the first recovery pipe 200 and the second recovery pipe 300 have an obtuse-angle bend, so that dust cannot be blocked in the first recovery pipe 200 and the second recovery pipe 300 when entering the collection bin 3.
In this embodiment, the collecting bin 3 may be opened and closed, so as to facilitate cleaning of dust in the collecting bin 3.
More specifically, as shown in fig. 1, the bottom of the sandblasting booth body 11 is provided with a first opening, a first negative pressure air suction shaft 12 is arranged at the first opening of the bottom, and a second grid 13 is arranged in the sandblasting booth body 11 and is positioned above the first negative pressure air suction shaft 12; the second grille 13 is provided with a plurality of through holes, so that dust passes through, meanwhile, the second grille 13 also plays a role of bearing, a sand blasting workbench is arranged on the second grille 13, and an operator walks on the second grille 13;
the top of the sandblasting room body 11 is also provided with an air supply well 11a, and the positive pressure fan 5 is connected with the air supply well 11a through an air supply pipeline 400 so as to apply a downward force to the flying dust in the sandblasting room body 11, so that the dust is quickly precipitated and quickly passes through the second grille 13.
In the embodiment, a filtering layer 11b is further arranged on the air supply well 11a to simply filter the outside air; in this embodiment, the filter layer 11b is preferably filter cotton to adsorb dust in the outside air for simple filtration.
More specifically, as shown in fig. 1, the bottom of the purifying room body 21 is provided with a second opening, the second negative pressure air suction well 22 is arranged at the second opening, and the first grille 23 is arranged in the purifying room body 21 and is positioned above the second negative pressure air suction well 22; wherein the first grille 23 is openable and closable to control communication or closing of the clean room body 21 of the clean room 2 and the collection bin 3.
Further, as shown in fig. 2, the first grille 23 includes a frame 231, a plurality of fan blades 232, and a driving part; the frame 231 is arranged in the purifying room body 21, a plurality of fan blades 232 are respectively and rotatably arranged on the frame 231, and the driving part drives the fan blades 232 to rotate; in this embodiment, the fan blades 232 have two states of 0 ° and 90 °, when the fan blades 232 are horizontal, i.e. the included angle between the fan blades 232 and the horizontal plane is 0 °, the side walls of the fan blades 232 are sequentially abutted, so that the first grille 23 is in a closed state; when the fan blades 232 are vertical, that is, when the included angle between the fan blades 232 and the horizontal plane is 90 degrees, channels are formed among the fan blades 232, so that the first grille 23 is in an open state;
in another embodiment, the fan blade 232 may also have two states of 0 ° and 60 °; similarly, the blades 232 may have two states with any angle between 0 ° and 0 ° -180 °, so long as a channel is formed between the two blades 232 for dust to fall.
Wherein the driving part comprises a plurality of driven gears 233, double-sided racks 234, driving gears 235 and motors 236; one end of each fan blade 232 extends out of the frame 231 and is connected with the corresponding driven gear 233, the double-sided rack 234 is slidably arranged on the outer side wall of the frame 231, one face of each double-sided rack 234 is meshed with the corresponding driven gear 233, the driving gear 235 is rotatably arranged on the outer side wall of the frame 231 and is meshed with the other face of the double-sided rack 234, the motor 236 is arranged in the purifying room body 21, an output shaft of the motor 236 is connected with the driving gear 235, the motor 236 drives the driving gear 235 to rotate, the double-sided rack 234 is driven to slide on the outer side wall of the frame 231, and the double-sided rack 234 is meshed with the driven gear 233, so that the driven gears 233 drive the fan blades 232 to rotate, and the purpose of opening or closing the first grid 23 is achieved.
In this embodiment, the teeth on the top of the double-sided rack 234 mesh with the driving gear 235, and the teeth on the bottom mesh with the driven gear 233; for convenience of processing, the tooth length at the top of the double-sided rack 234 is shorter, the length thereof is only required to be meshed with the driving gear 235 and satisfy the displacement amount over a certain length, the tooth length at the bottom is longer, and the length thereof is only required to be meshed with the driven gears 233 and satisfy the displacement amount over a certain length.
As shown in fig. 1, the purifying room body 21 is communicated with the first negative pressure air suction well 12 of the sand blasting room 1 through an inlet pipeline 100, and the top is communicated with the discharge port 4 through a collecting pipeline 500; the purifying room body 21 is also internally provided with a filter, and the negative pressure fan 7 is communicated with the discharge port 4. The negative pressure fan 7 is started to pump part of dust falling in the first negative pressure air suction well 12 into the purifying room body 21, filter the dust through the filter, and then discharge the filtered air from the discharge port 4.
In this embodiment, the filter is a plurality of filter cartridges 24; the surface of the filter cartridge 24 adsorbs dust and thus serves as a filter.
As shown in fig. 1, a counter blower 6 is also arranged in the purifying room body 21, and the air inlet of the counter blower 6 is aligned with the filter cylinder 24; when the filtering capacity of the filter cartridge 24 reaches saturation or the operation in the sandblasting booth body 11 is finished, the back blower 6 is started to blow off dust adsorbed on the filter cartridge 24, so that the filter cartridge 24 can continue to play a role in filtering.
In this embodiment, the first negative pressure air suction shaft 12 and the second negative pressure air suction shaft 22 are all funnel-shaped, so that dust can enter the collection bin 3 through the first negative pressure air suction shaft 12 and the second negative pressure air suction shaft 22 in order.
The working principle of this embodiment is as follows:
when the dust-removing device is used, the first grid 23 is in a closed state, namely the side walls of a plurality of fan blades 232 are sequentially abutted, the positive pressure fan 5 works, wind sequentially passes through the air supply pipeline 400 and the air supply shaft 11a and is filtered by the filter layer 11b, and then enters the sand blasting room body 11, so that dust in the sand blasting room body 11 sinks, meanwhile, the negative pressure fan 7 is started, a part of dust directly falls into the collecting bin 3 through the first recovery pipeline 200, the other part of dust enters the purifying room body 21 through the inlet pipeline 100, and a plurality of filter cartridges 24 of the body in the purifying room 2 absorb the dust, so that purified air is discharged from the discharge port 4; after a period of time, when the sand blasting room body 11 is used or the filter drum 24 is filtered to be saturated, the motor 236 drives the driving gear 235 to rotate to drive the double-sided rack 234 to slide on the outer side wall of the frame 231, and as the double-sided rack 234 is meshed with the driven gear 233, the driven gears 233 further drive the fan blades 232 to rotate, so that the first grille 23 is opened, at the moment, the back blowing fan 6 is started, so that dust adsorbed on the filter drum 24 falls off and falls into the collecting bin 3 through the first grille 23.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. A positive pressure blast system for a blasting booth, comprising:
a sand blasting room;
the purifying room is communicated with the sand blasting room through an inlet pipeline; a filter is arranged in the purifying room;
the collecting bin is communicated with the sand blasting room through a first recycling pipeline at one end, and is communicated with the purifying room through a second recycling pipeline at the other end;
a discharge port, which communicates with the purification room through a collection pipe;
the positive pressure fan is connected with the sand blasting room through an air supply pipeline;
the back blower is arranged in the purifying room, and the air outlet of the back blower is aligned with the filter;
the negative pressure fan is communicated with the discharge port;
the purifying room is internally provided with a first grid which can be opened and closed, and the communicating or closing of the purifying room and the collecting bin is controlled.
2. The positive pressure blast system of a blast room of claim 1, wherein said blast room comprises:
the sand blasting room comprises a sand blasting room body, wherein an air supply shaft is arranged at the top of the sand blasting room body, and a first opening is formed in the bottom of the sand blasting room body;
the first negative pressure air draft well is arranged at the first opening and is communicated with the purification room through the inlet pipeline and is communicated with the collection bin through the first recovery pipeline;
the second grille is arranged in the sand blasting room body and is positioned above the first negative pressure air suction well.
3. The positive pressure blasting system of claim 2, wherein a filter layer is disposed in the blast well.
4. The blasting booth positive pressure air supply system of claim 1, wherein said clean room comprises:
the purifying room body is communicated with the sand blasting room through the inlet pipeline; the top of the purification room body is communicated with the discharge port through a collecting pipeline; the bottom of the purifying room body is also provided with a second opening;
the second negative pressure air draft well is arranged at the second opening and is communicated with the collecting bin through the second recovery pipeline;
the first grille is arranged in the purifying room body and is positioned above the second negative-pressure air draft well.
5. The blast room positive pressure blast system of claim 4, wherein said first grille comprises:
the frame body is arranged in the purifying room body;
the fan blades are respectively arranged on the frame body in a rotating way;
the driving part is used for driving a plurality of fan blades to rotate.
6. The positive pressure blast system of a blast room according to claim 5, wherein said driving unit comprises:
the driven gears are a plurality of; one end of each fan blade extends out of the frame body and is respectively connected with the driven gear;
the double-sided racks are arranged on the outer side wall of the frame body in a sliding manner, and one sides of the double-sided racks are respectively meshed with the driven gears;
the driving gear is meshed with the other surface of the double-sided rack;
and the motor is used for driving the driving gear to rotate.
7. The grit blast room positive pressure air supply system of claim 1, wherein the filter comprises a plurality of filter cartridges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320984507.XU CN219854031U (en) | 2023-04-27 | 2023-04-27 | Positive pressure air supply system of sand blasting room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320984507.XU CN219854031U (en) | 2023-04-27 | 2023-04-27 | Positive pressure air supply system of sand blasting room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219854031U true CN219854031U (en) | 2023-10-20 |
Family
ID=88345747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320984507.XU Active CN219854031U (en) | 2023-04-27 | 2023-04-27 | Positive pressure air supply system of sand blasting room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219854031U (en) |
-
2023
- 2023-04-27 CN CN202320984507.XU patent/CN219854031U/en active Active
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