CN209501135U - A kind of dust filtering device - Google Patents
A kind of dust filtering device Download PDFInfo
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- CN209501135U CN209501135U CN201822019248.9U CN201822019248U CN209501135U CN 209501135 U CN209501135 U CN 209501135U CN 201822019248 U CN201822019248 U CN 201822019248U CN 209501135 U CN209501135 U CN 209501135U
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- filter chamber
- filtering device
- dust filtering
- dust
- room
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Abstract
The utility model discloses a kind of dust filtering devices, including air inlet, gas outlet, the room that gathers materials, filter chamber and blower, the air inlet, filter chamber, blower and gas outlet are sequentially communicated, dust filtering device is provided in the filter chamber, the indoor gas of filtering is blowed to the gas outlet by the blower, and the lower section of the filter chamber is arranged in the room of gathering materials, and is connected to the filter chamber, it is provided with venting of dust explosion mouth on the side wall of the filter chamber, venting of dust explosion plate is installed at the venting of dust explosion mouth；The dust filtering device has the advantages that structurally reasonable, safe and reliable, operating noise is small.
Description
Technical field
The utility model belongs to spraying equipment technical field, and in particular to for recycling powdery paints in powder spraying system
A kind of dust filtering device.
Background technique
Powder spray is exactly the principle using high-pressure electrostatic corona field, puts in gun head metal water conservancy diversion and connects high pressure
Cathode is sprayed-on workpiece grounding and forms anode, makes to form a stronger static electric field between spray gun and workpiece.When as delivery
The compressed air of gas, when powdery paints is sent to the diversion rod of spray gun through tube cell from powder barrel, since diversion rod connects high pressure
The corona discharge that cathode generates, produces intensive negative electrical charge in its vicinity, makes negative electrical charge on powdery paints band, and enter electricity
The very high electrostatic field of field intensity, under the double action of electrostatic force and delivery gas, powdery paints equably flies to ground connection workpiece
Surface simultaneously forms the uniform powdery coating of thickness, and last powdery coating solidifies by high-temperature baking levelling, becomes the different (powder of effect
The variety classes effect of last coating) final coating.The spraying effect of powder spray is in mechanical strength, adhesive force, corrosion-resistant, resistance to
Aging etc. is better than lacquer spraying technique, therefore powder spray is widely used to the production and processings such as vehicle spray painting, furniture spray paint neck
In domain.It is drifted in air it is known that having amount of powder coating in the spraying process of coating, it is therefore desirable to these
Exhaust gas containing coating dust is effectively handled, so that coating therein can be efficiently recovered recycling, is prevented simultaneously
Only coating dust pollutes air environment.It is therefore desirable to be carried out by recovering device for coating to the coating dust in exhaust gas
Recycling, but a small amount of powdery paints can still be retained by passing through in the processed exhaust gas of recovering device for coating, if directly by this
A little exhaust gas are discharged into atmospheric environment, it will certain pollution are generated to atmospheric environment, it is therefore desirable to pass through dust filtering device pair
The exhaust gas being discharged into atmospheric environment makees filtration treatment, to be additionally separated the remaining coating dust in exhaust gas, makes exhaust gas
The requirement of discharge can be reached.But there are the following problems when in use for existing dust filtering device, especially dust-filtering fills
The danger that can make hypertonia in dust filtering device in blocking and may explode is set, once dust filtering device
Occur to damage dust filtering device main body when explosion accident, while dust filtering device is caused by the explosion time
High-speed flow and the fragment being mixed in high-speed flow are also possible to that the person for being located at neighbouring staff can be damaged；
Secondly, existing dust filtering device is substantially split type structure, i.e. negative pressure part and filtration fraction is separated from each other,
Then it is connected to each other by pipeline, however its connecting line can be because of the height of air-flow when in use for split type dust filtering device
Speed impact and running at high speed for blower and to there is biggish operating noise.
Summary of the invention
In view of this, the purpose of the utility model is to provide a kind of dust structurally reasonable, safe and reliable, operating noise is small
Filter device.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the utility model is
A kind of dust filtering device, including air inlet, gas outlet, the room that gathers materials, filter chamber and blower, the air inlet, mistake
Filter chamber, blower and gas outlet are sequentially communicated, and are provided with dust filtering device in the filter chamber, and the blower is by the filter chamber
Interior gas blows to the gas outlet, and the lower section of the filter chamber is arranged in the room of gathering materials, and is connected to the filter chamber, institute
It states and is provided with venting of dust explosion mouth on the side wall of filter chamber, venting of dust explosion plate is installed at the venting of dust explosion mouth.
Preferably, the dust filtering device further includes guide pipe, the side wall of the guide pipe and the filter chamber is solid
Fixed connection, and being located at outside the filter chamber, on the venting of dust explosion plate, the other end extends outwardly shape one end the cover of the guide pipe
At free end, the axial direction of the free end of the guide pipe is axially formed with the venting of dust explosion mouth greater than 30 degree and less than 120 degree
Angle.
Preferably, the guide pipe is the bend pipe being bent upwards；The cross section of the free end of the guide pipe and/or
Product is greater than the area of the venting of dust explosion plate.
Preferably, the dust filtering device includes top plate, the top plate is fixed in the filter chamber, the air inlet
Mouth offers multiple filter core holes, all installs in the filter core hole between the top plate and the room that gathers materials on the top plate
There is a filter core, the filter core is arranged in hollow tubular, and filter core one end is fixedly connected with top plate, and the other end is to the filter chamber
Bottom extends.
Preferably, the filter core includes filter core air inlet and filter core gas outlet, the filter core air inlet is located at the top
Plate towards the filter chamber bottom side, the filter core gas outlet is located at bottom of the top plate far from the filter chamber
Side.
Preferably, being additionally provided with rotatable rotary wings in the filter core, multiple spray orifices are provided on the rotary wings,
The dust filtering device further includes cleaning plant, and the cleaning plant includes gas tank and solenoid valve, and the gas tank is arranged in institute
It states outside filter chamber, and is connected to by pipeline with the spray orifice of the rotary wings, the solenoid valve is used to control the on-off of the pipeline.
Preferably, the dust filtering device includes fan house, the blower is arranged in the fan house, it is described go out
Port is arranged on the side wall of the fan house, and the fan house and the filter chamber are isolated.
Preferably, the filter chamber and blower interventricular septum are arranged, interval forms maintenance between the filter chamber and fan house
Room, the maintenance room are connected with filter chamber and fan house respectively, are additionally provided with access hole on the side wall of the maintenance room, described
Sealing is fixed with sealing plate on access hole.
Preferably, be additionally provided with silencing means in the fan house, the silencing means be located at the blower with it is described
Between gas outlet.
Preferably, the room that the gathers materials setting funnel-shaped, the bottom of the room that gathers materials is provided with openable or closing
Discharge port is additionally provided with transparent observation window on the side wall of the room that gathers materials.
Technical effect caused by the utility model essentially consists in: due to having opened up venting of dust explosion mouth on the side wall of filter chamber,
And the venting of dust explosion plate with its phase and cooperation is provided on venting of dust explosion mouth, cause its internal pressure when blocking occurs for dust filtering device
When reaching preset value dangerous values, being fixed on venting of dust explosion plate on venting of dust explosion mouth can be broken through, so that the pressure in dust filtering device is logical
It crosses venting of dust explosion mouth to be released, so as to avoid the generation of explosion, and avoids explosion time and dust filtering device main body is made
At destruction, this improves dust filtering devices in the security reliability used；Secondly as by filter chamber and negative pressure chamber
It is integrated into a shell and is interconnected, therefore simplify the overall structure of dust filtering device, that is, avoid exclusive use
Connecting line, so that the gas shock noise of dust filtering device at work is effectively reduced.
Detailed description of the invention
It is more particularly described by the preferred embodiment in the utility model shown in the drawings, the above and other mesh of the utility model
, feature and advantage will become more fully apparent.Identical appended drawing reference indicates identical part in all the attached drawings, and does not carve
Meaning draws attached drawing by actual size equal proportion scaling, it is preferred that emphasis is shows this purport.
Fig. 1 is a kind of overall structure diagram of dust filtering device in the utility model；
Fig. 2 is a kind of partial structural diagram of explosion venting device in dust filtering device in the utility model；
Fig. 3 is a kind of backsight structural representation of dust filtering device in the utility model；
Fig. 4 is a kind of schematic cross-sectional view of dust filtering device in the utility model.
Specific embodiment
Technical solutions of the utility model are described in further detail in the following with reference to the drawings and specific embodiments, so that this
The technical staff in field can better understand the utility model and can be practiced, in the present embodiment, it is to be understood that
Term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner",
The orientation or positional relationship of the instructions such as "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing this reality
With novel, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construction and
Operation, therefore should not be understood as illustrated embodiment limitations of the present invention；In addition, in this embodiment as not special
Illustrate the connection or fixed form between component, connection or fixed form can be solid by bolt commonly used in the prior art
It is fixed or be welded and fixed or therefore the modes such as pin shaft is fixed are no longer described in detail in the present embodiment.
As shown in Figures 1 to 4, as shown in Figures 1 to 4, a kind of dust filtering device, including air inlet are present embodiments provided
Mouth 1, gas outlet 2, the room 3 that gathers materials, filter chamber 4 and blower 5, air inlet 1, filter chamber 4, blower 5 and gas outlet 2 are sequentially communicated, mistake
Dust filtering device is provided in filter chamber 4, blower 5 blows to gas outlet 2 for the gas come is pumped through in filter chamber 4, the setting of room 3 of gathering materials
It is connected in the lower section of filter chamber 4, and with filter chamber 4, venting of dust explosion mouth 6 is provided on the side wall of filter chamber 4, passes through spiral shell on venting of dust explosion mouth 6
Bolt seals intrinsic venting of dust explosion plate 61.When dust filtering device occurs blocking and its internal pressure is caused to reach preset dangerous values,
The venting of dust explosion plate 61 being fixed on venting of dust explosion mouth 6 can be broken through by pressure, so that pressure excessively high in dust filtering device passes through venting of dust explosion
Mouth 6 is released, and so as to avoid the generation of explosion, and avoids exploding to destruction caused by dust filtering device main body.
Blower 5 is that centrifugal fan sucks the exhaust gas to be treated containing coating dust for generating negative pressure out of air inlet 1,
And it is discharged eventually by gas outlet 2.
As shown in Figs. 1-2, the dust filtering device in the present embodiment further includes guide pipe 7, one end of guide pipe 7 and filtering
The side wall of room 4 is bolted, and guide pipe 7 is located at outside filter chamber 4, and one end the cover of guide pipe 7 is on venting of dust explosion plate 61, i.e.,
The cross-sectional area of the free end of guide pipe 7 is greater than the area of venting of dust explosion plate 61, and the other end extends outward to form free end, guide pipe 7
Free end axial direction and venting of dust explosion mouth 6 the angle being axially formed greater than 30 degree and less than 120 degree.Guide pipe in the present embodiment
7 be the bend pipe being bent upwards, and the angle for being axially formed one 45 degree of the axial direction of the free end of guide pipe 7 and venting of dust explosion mouth 6.When
When the interior pressure of filter breaks through venting of dust explosion plate 61 afterwards, the air-flow that the high speed in dust filtering device is gone out is drawn by the pressure of guide pipe 7
It hoists, that is, shocking damage may be caused to human body by avoiding high-speed flow, so that further improving dust filtering device makes
Security reliability.
As shown in figure 4, dust filtering device further includes top plate 8, top plate 8 is fixed by welding on the inner wall of filter chamber 4,
Wherein air inlet 1 is located at top plate 8 between the room 3 that gathers materials, and multiple filter core holes 81 are offered on top plate 8, are all installed in filter core hole 81
There is a filter core 82, filter core 82 is arranged in hollow tubular, and 82 one end of filter core is bolted with top plate 8, and the other end is to filtering
The bottom of room 4 extends.Filter core 82 includes filter core air inlet and filter core gas outlet, and filter core air inlet is located at top plate 8 towards filter chamber 4
Bottom side, filter core gas outlet is located at the side of bottom of the top plate 8 far from filter chamber 4.When exhaust gas to be processed enters
When in filter chamber 4, exhaust gas passes through 82 side wall of filter core as filter core air inlet under the influence of air pressure at this time, then by top plate 8
On as being discharged in the filter core hole 81 of filter core gas outlet.Filter core 82 is mainly tangled or is woven through hot melt by fiber, and fiber exists
Space is randomly formed three-dimensional micropore structure, when the air containing powdery paints pass through filter core 82 when, coating dust therein due to
Its material diameter is trapped within the outer surface of filter core 82 relatively larger than the micropore in filter core 82, and air can then pass through, that is, complete
Coating dust is from the separation in air.
As shown in Figure 3 to Figure 4, it is additionally provided with rotatable rotary wings 83 in filter core 82, is provided on rotary wings 83 multiple
Spray orifice, rotary wings 83 further include blowback component, seal assembly and central axis.Blowback component and seal assembly are both connected to central axis
On, and blowback component can be rotated with respect to central axis.Inlet channel is provided on central axis, inlet channel is connected to gas tank 9, in turn
Pressure-air can be passed through into inlet channel 31.The pipeline being connected always with inlet channel is provided on blowback component, it is more
A spray orifice is opened on blowback component, and the reaction force that the gas come out from spray orifice generates rotates blowback component, while from spray
The high pressure gas sprayed in hole is blown on the inner wall of filter core 82, and 82 chamber pressure of filter core is uniformly anxious under the active force of compressed air
Speed is promoted, and makes 82 relative expansion of filter core, while compressed air flows out from inside to outside from filter core 82, and then shake off or reversely blow down attachment
In the coating dust on filter core.Dust filtering device further includes cleaning plant, and cleaning plant includes gas tank 9 and solenoid valve 10, gas
Tank 9 is bolted on outside filter chamber 4, and is connected to by pipeline with the spray orifice of rotary wings 83, and solenoid valve 10 is connected with gas tank 9
Lead to and be used for the on-off of control piper.
As shown in Figs 1-4, dust filtering device includes fan house 51, and blower 5 is bolted in fan house 51, out
Port 2 is provided on the side wall of blower Room 5, and fan house 51 and filter chamber 4 are isolated.Blower 5 is centrifugal fan, when blower 51
The centrifugal force that fan leaf high speed rotation generates when work throws away air out of blower 5, generates the air inlet 52 of blower 5 negative
Pressure, the i.e. air inlet 52 of fan house 51 suck processed air, and are discharged by gas outlet 2.Filter chamber 4 and blower 5
Interventricular septum setting, between filter chamber 4 and fan house 51 interval formed maintenance room 11, maintenance room 11 respectively with filter chamber 4 and blower 5
Room is connected, and overhauls and is additionally provided with access hole on the side wall of room 11, sealing plate 12 is fixed with by bolt seal on access hole, when need
Dismantling sealing plate 12 when overhauling to dust filtering device can be entered in dust filtering device and be carried out by access hole
Corresponding repair and maintenance work.
As shown in figure 4, be additionally provided with silencing means 13 in fan house 51, silencing means 13 be located at blower 5 and gas outlet 2 it
Between, and silencing means 13 is bolted with fan house 51.Silencing means 13 includes the noise-reducing structure of the V-shaped setting of multi-disc
Piece, when the air extracted out by blower 5 is discharged from silencing means 13, air can be sent out between two adjacent noise-reducing structure pieces
It is raw to turn to and reduce flow velocity, disorder air-stable is got off, and then reduce the wind generated when air discharge and make an uproar.
As shown in Figs 1-4, in this embodiment, gather materials the setting funnel-shaped of room 3, the bottom for the room 3 that gathers materials is provided with and can beat
The discharge port 14 closed is opened or closed, is additionally provided with transparent observation window 15 on the side wall for the room 3 that gathers materials.The funnelform room 3 that gathers materials helps
Summarized and recycled under gravity in falling within the coating to gather materials in room 3.
As shown in figure 3, in this embodiment, it is additionally provided with transparent observation window 15 at discharge port 14 on the room 3 that gathers materials,
Observation window 15 and the room of gathering materials sealing are fixed, and observation window 15 helps to observe the collection situation for 3 inside courtyard of room that gathers materials.
Technical effect caused by the utility model essentially consists in: due to having opened up venting of dust explosion mouth on the side wall of filter chamber,
And the venting of dust explosion plate with its phase and cooperation is provided on venting of dust explosion mouth, cause its internal pressure when blocking occurs for dust filtering device
When reaching preset value dangerous values, being fixed on venting of dust explosion plate on venting of dust explosion mouth can be broken through, so that the pressure in dust filtering device is logical
It crosses venting of dust explosion mouth to be released, so as to avoid the generation of explosion, and avoids explosion time and dust filtering device main body is made
At destruction, this improves dust filtering devices in the security reliability used；Secondly as by filter chamber and negative pressure chamber
It is integrated into a shell and is interconnected, therefore simplify the overall structure of dust filtering device, that is, avoid exclusive use
Connecting line, so that the gas shock noise of dust filtering device at work is effectively reduced.
The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of dust filtering device, it is characterised in that: described including air inlet, gas outlet, the room that gathers materials, filter chamber and blower
Air inlet, filter chamber, blower and gas outlet are sequentially communicated, and dust filtering device is provided in the filter chamber, and the blower will
The indoor gas of the filtering blows to the gas outlet, and the room of gathering materials is arranged in the lower section of the filter chamber, and with the mistake
Filter chamber is connected to, and is provided with venting of dust explosion mouth on the side wall of the filter chamber, is equipped with venting of dust explosion plate at the venting of dust explosion mouth.
2. dust filtering device as described in claim 1, it is characterised in that: the dust filtering device further includes guide pipe,
The guide pipe is fixedly connected with the side wall of the filter chamber, and is located at outside the filter chamber, one end the cover of the guide pipe
On the venting of dust explosion plate, the other end extends outward to form free end, the axial direction of the free end of the guide pipe and the venting of dust explosion mouth
The angle being axially formed greater than 30 degree and less than 120 degree.
3. dust filtering device as claimed in claim 2, it is characterised in that: the guide pipe is the bend pipe being bent upwards；With/
Or, the cross-sectional area of the free end of the guide pipe is greater than the area of the venting of dust explosion plate.
4. dust filtering device as described in claim 1, it is characterised in that: the dust filtering device further includes top plate, institute
It states top plate to be fixed in the filter chamber, the air inlet is opened on the top plate between the top plate and the room that gathers materials
Equipped with multiple filter core holes, filter core is all installed in the filter core hole, the filter core is arranged in hollow tubular, and filter core one end with
Top plate is fixedly connected, and the other end extends to the bottom of the filter chamber.
5. dust filtering device as claimed in claim 4, it is characterised in that: the filter core includes that filter core air inlet and filter core go out
Port, the filter core air inlet are located at the side of bottom of the top plate towards the filter chamber, and the filter core gas outlet is located at
The side of bottom of the top plate far from the filter chamber.
6. dust filtering device as claimed in claim 4, it is characterised in that: be additionally provided with rotatable rotation in the filter core
The wing is provided with multiple spray orifices on the rotary wings, and the dust filtering device further includes cleaning plant, and the cleaning plant includes
Gas tank and solenoid valve, the gas tank are arranged outside the filter chamber, and are connected to by pipeline with the spray orifice of the rotary wings, described
Solenoid valve is used to control the on-off of the pipeline.
7. dust filtering device as described in claim 1, it is characterised in that: the dust filtering device includes fan house, institute
It states blower to be arranged in the fan house, the gas outlet is arranged on the side wall of the fan house, the fan house and described
Filter chamber is isolated.
8. dust filtering device as claimed in claim 7, it is characterised in that: the filter chamber and blower interventricular septum are arranged, institute
It states interval between filter chamber and fan house and forms maintenance room, the maintenance room is connected with filter chamber and fan house respectively, the inspection
It repairs and is additionally provided with access hole on the side wall of room, sealing is fixed with sealing plate on the access hole.
9. dust filtering device as claimed in claim 7, it is characterised in that: it is additionally provided with silencing means in the fan house,
The silencing means is between the blower and the gas outlet.
10. dust filtering device as described in any one of claim 1 to 9, it is characterised in that: the room that gathers materials is funnel-shaped to be set
It sets, the bottom of the room that gathers materials is provided with discharge port that is openable or closing, is additionally provided on the side wall of the room that gathers materials transparent
Observation window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822019248.9U CN209501135U (en) | 2018-12-04 | 2018-12-04 | A kind of dust filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822019248.9U CN209501135U (en) | 2018-12-04 | 2018-12-04 | A kind of dust filtering device |
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| Publication Number | Publication Date |
|---|---|
| CN209501135U true CN209501135U (en) | 2019-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822019248.9U Active CN209501135U (en) | 2018-12-04 | 2018-12-04 | A kind of dust filtering device |
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| Country | Link |
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| CN (1) | CN209501135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109453581A (en) * | 2018-12-04 | 2019-03-12 | 广州帆智能自动化设备有限公司 | A kind of dust filtering device |
-
2018
- 2018-12-04 CN CN201822019248.9U patent/CN209501135U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109453581A (en) * | 2018-12-04 | 2019-03-12 | 广州帆智能自动化设备有限公司 | A kind of dust filtering device |
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