CN109107291A - A kind of metal 3D printing fume purifier - Google Patents
A kind of metal 3D printing fume purifier Download PDFInfo
- Publication number
- CN109107291A CN109107291A CN201710486508.0A CN201710486508A CN109107291A CN 109107291 A CN109107291 A CN 109107291A CN 201710486508 A CN201710486508 A CN 201710486508A CN 109107291 A CN109107291 A CN 109107291A
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- Prior art keywords
- air
- valve
- blower
- gas washing
- filtering
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Classifications
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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
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- 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
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/71—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a kind of metal 3D printing fume purifiers, belong to technology of smoke purification field.It includes seal case, and seal case is successively arranged filtering cabin, blower storehouse from top to bottom；Filtering tank body is equipped in the filtering cabin, lower half is equipped with ash bucket in filtering tank body, and backwind tube is connected on the filtering tank body below ash bucket, and one layer of hollow high efficiency particulate air filter is equipped with above ash bucket, is equipped with high-pressure nozzle in hollow high efficiency particulate air filter；Blower is equipped in the blower storehouse, the air inlet of blower is connect by tracheae with filtering top of the tank, the air outlet of blower is connected with air-exhausting duct and air supply tube simultaneously, air-exhausting duct is equipped with exhaust valve, exhaust valve both ends are parallel with a branch gas washing tubule, gas washing tubule is equipped with gas washing valve, and air supply tube is equipped with blow valve.It can be with the completely mating purification of metal 3D printer；Have the function of exhaust, gas washing；With blowback clearing function, it is able to extend hollow high efficiency particulate air filter service life, reduces use cost.
Description
Technical field
The present invention relates to a kind of metal 3D printing fume purifiers, belong to technology of smoke purification field.
Background technique
Metal 3D printing, i.e. laser sintering metallic powder molding are welded in air different from conventional, are needed in process
Want a relatively closed space, and need to be filled with inert gas, avoid the content of oxygen it is exceeded (oxygen content be 50-
100PPM)；In process metal powder by laser printing (welding) when can generate noxious fume, flue dust mainly influences to be sintered
Print the spark splashing and flue dust that the quality of (welding) part, the penetrability in laser head eyeglass service life and laser, laser generate
It also will affect precision, abrasion condition and the maintenance expense i.e. period etc. of each components inside lathe；To avoid and reducing
Above situation, the fume purifier needed solve, therefore equipment requires the leakproofness having had first, prevent outside air into
Enter, purification efficiency wants high, and 0.3 μm of efficiency is 99.98%, also there are other stable control monitoring systems；Simultaneously at work
For traditional filter element filtering efficiency although can satisfy requirement, service life is shorter, and more multiple carrying out printing sintering
When miscellaneous precision height and big part, the service life to filter core is even more a challenge, while the replacement filter core of long term frequent is also deposited
In the relevant issues such as safety problem and use cost, when few, there is also filter core Severe blockages to need replacing, but part is raw
It produces and just carries out partway, having influenced the generation of each problem；In addition, common purifying device cannot be adapted to metal 3D printing requirement
It is filled with the function of inert gas discharge oxygen.
Summary of the invention
Technical problem to be solved by the present invention lies in: a kind of metal 3D printing fume purifier is provided, it solves mesh
The clarifier use cost of preceding metal 3D printing clarifying smoke is high, cannot be filled with asking for oxygen in inert gas discharge clarifier
Topic.
The technical problems to be solved by the invention take following technical scheme to realize:
A kind of metal 3D printing fume purifier, it includes seal case, and the seal case is successively arranged from top to bottom
Filtering cabin, blower storehouse；
Filtering tank body and high pressure gas holder are equipped in the filtering cabin, filtering tank base is taper, filters the taper of tank body
Bottom part down is connected with ash deposition box, and lower half is equipped with ash bucket in filtering tank body, is connected on the filtering tank body below ash bucket
Backwind tube, ash bucket top are equipped with one layer of hollow high efficiency particulate air filter, are equipped with high-pressure nozzle, high-pressure nozzle in hollow high efficiency particulate air filter
It is connected with high pressure gas holder, high-pressure inert gas is filled in high pressure gas holder, blowback air valve is equipped between high-pressure nozzle and high pressure gas holder；
Blower is equipped in the blower storehouse, the air inlet of blower is connect by tracheae with filtering top of the tank, and blower goes out
Air port is connected with air-exhausting duct and air supply tube simultaneously, and air-exhausting duct is equipped with exhaust valve, and exhaust valve both ends are parallel with a branch gas washing
Tubule, gas washing tubule are equipped with gas washing valve, and air supply tube is equipped with blow valve.
As preferred embodiment, the seal case bottom is provided with the bottom plate of universal wheel.
As preferred embodiment, the blowback air valve, exhaust valve, gas washing valve, blow valve are all made of electric control valve.
As preferred embodiment, the caliber of the gas washing tubule is 0.2-1cm.
The beneficial effects of the present invention are:
(1) with the completely mating purification of metal 3D printer: the return air inlet of the air outlet of metal 3D printer and this clarifier
Connection, the air inlet of metal 3D printer connect with the air outlet of this clarifier, can inhale the flue dust in metal 3D printer
Enter in clarifier after purifying and dedusting, clean gas is sent back in metal 3D printer；
(2) have degassing function: starting blower, exhaust valve is opened, gas washing valve is closed, blow valve is closed, and is made online whole
Set system vacuum pumping reduces internal system oxygen concentration, is ready to be filled with inert gas gas washing in next step；
(3) have the function of gas washing: starting blower, exhaust valve closure, gas washing valve are opened, blow valve is opened, at this time to metal
Inert gas is filled in 3D printer, inert gas largely passes through air supply tube together with the minimal amount of oxygen mix of Qi Nei
It is recycled in whole system, a little by gas washing tubule discharge system, after running a period of time, oxygen content meets gold
After belonging to 3D printing operating condition, stopping is filled with inert gas and blower, and gas washing valve is closed, and oxygen can be discharged, and adapts to metal 3D
Print job condition；
(4) there is blowback clearing function: high-pressure nozzle is set in hollow high efficiency particulate air filter, open blowback air valve, high pressure
High-pressure inert gas in gas tank carries out blowback by high-pressure nozzle centering sky high efficiency particulate air filter, is able to extend hollow high efficiency filter
Device service life reduces use cost.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
In figure: seal case 1, filtering cabin 2, blower storehouse 3, filtering tank body 4, high pressure gas holder 5, ash deposition box 6, ash bucket 7 return
Air hose 8, hollow high efficiency particulate air filter 9, high-pressure nozzle 10, blowback air valve 11, blower 12, air-exhausting duct 13, air supply tube 14, exhaust valve
15, gas washing tubule 16, gas washing valve 17, blow valve 18, the bottom plate 19 with universal wheel.
Specific embodiment
In order to be easy to understand to technical means, creative features, achievable purpose and effectiveness of the invention, below with reference to tool
Body diagram, the present invention is further explained.
As shown in Figure 1, a kind of metal 3D printing fume purifier, it includes seal case 1, and seal case 1 is from top to bottom
It is successively arranged filtering cabin 2, blower storehouse 3；
Filtering tank body 4 and high pressure gas holder 5 are equipped in filtering cabin 2, filtering 4 bottom of tank body is taper, filters the taper of tank body 4
Bottom part down is connected with ash deposition box 6, filters lower half in tank body 4 and is equipped with ash bucket 7, connects on the filtering tank body 4 of 7 lower section of ash bucket
It is connected to backwind tube 8, one layer of hollow high efficiency particulate air filter 9 is equipped with above ash bucket 7, is equipped with high-pressure nozzle in hollow high efficiency particulate air filter 9
10, high-pressure nozzle 10 is connected with high pressure gas holder 5, and high-pressure inert gas, high-pressure nozzle 10 and high pressure gas holder are filled in high pressure gas holder 5
Blowback air valve 11 is equipped between 5；
Blower 12 is equipped in blower storehouse 3, the air inlet of blower 12 at the top of tracheae and filtering tank body 4 by connecting, blower 12
Air outlet be connected with air-exhausting duct 13 and air supply tube 14 simultaneously, air-exhausting duct 13 is equipped with exhaust valve 15, and 15 both ends of exhaust valve are in parallel
There is a branch gas washing tubule 16, gas washing tubule 16 is equipped with gas washing valve 17, and air supply tube 14 is equipped with blow valve 18.
1 bottom of seal case is provided with the bottom plate 19 of universal wheel.
Blowback air valve 11, exhaust valve 15, gas washing valve 17, blow valve 18 are all made of electric control valve.
The caliber of gas washing tubule 16 is 0.2-1cm.
Working principle:
With the mating connection of metal 3D printer: the air outlet of metal 3D printer is connect with the return air inlet of this clarifier, gold
The air inlet for belonging to 3D printer is connect with the air outlet of this clarifier.
Purification function: starting blower 12, exhaust valve 15 is closed, gas washing valve 17 is closed, blow valve 18 is opened, can be by metal
By 8 suction filter tank body 4 of backwind tube, the flue dust of bulky grain is fallen into ash deposition box 6 flue dust and inert gas in 3D printer,
Short grained flue dust passes through ash bucket 7, and after the filtering of hollow high efficiency particulate air filter 9, clean gas is inhaled into blower 12, from sending
Air hose 14 is sent back in metal 3D printer；
Degassing function: starting blower 12, exhaust valve 15 is opened, gas washing valve 17 is closed, blow valve 18 is closed, and is made online whole
Set system vacuum pumping reduces internal system oxygen concentration, is ready to be filled with inert gas gas washing in next step；
Gas washing function: starting blower 12, exhaust valve 15 is closed, gas washing valve 17 is opened, blow valve 18 is opened, at this time to metal
Inert gas is filled in 3D printer, inert gas largely passes through air supply tube together with the minimal amount of oxygen mix of Qi Nei
14 recycle in whole system, and a little by 16 discharge system of gas washing tubule, after running a period of time, oxygen content is full
After pure gold category 3D printing operating condition, stopping is filled with inert gas and blower 12, and gas washing valve 17 is closed, and oxygen can be discharged, and fits
Answer metal 3D printing operating condition；
Blowback clearing function: being arranged high-pressure nozzle 10 in hollow high efficiency particulate air filter 9, opens blowback air valve 11, high pressure gas
High-pressure inert gas in tank 5 carries out blowback by 10 centering sky high efficiency particulate air filter 9 of high-pressure nozzle, and dust is from filtering 4 bottom of tank body
Clan enters in ash deposition box 6, is able to extend hollow 9 service life of high efficiency particulate air filter, reduces use cost.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, without departing from the spirit and scope of the present invention, this hair
Bright to will also have various changes and improvements, these changes and improvements are both fallen in the scope of protection of present invention.The present invention claims
Protection scope is defined by the appending claims and its equivalent thereof.
Claims (4)
1. a kind of metal 3D printing fume purifier, it is characterised in that: it includes seal case, and the seal case is from top to bottom
It is successively arranged filtering cabin, blower storehouse；
Filtering tank body and high pressure gas holder are equipped in the filtering cabin, filtering tank base is taper, filters the conical lower portion of tank body
Lower section is connected with ash deposition box, and lower half is equipped with ash bucket in filtering tank body, is connected with return air on the filtering tank body below ash bucket
Pipe, ash bucket top are equipped with one layer of hollow high efficiency particulate air filter, and high-pressure nozzle, high-pressure nozzle connection are equipped in hollow high efficiency particulate air filter
There is high pressure gas holder, high-pressure inert gas is filled in high pressure gas holder, blowback air valve is equipped between high-pressure nozzle and high pressure gas holder；
Blower is equipped in the blower storehouse, the air inlet of blower is connect by tracheae with filtering top of the tank, the air outlet of blower
It is connected with air-exhausting duct and air supply tube simultaneously, air-exhausting duct is equipped with exhaust valve, and exhaust valve both ends are parallel with a branch gas washing tubule,
Gas washing tubule is equipped with gas washing valve, and air supply tube is equipped with blow valve.
2. a kind of metal 3D printing fume purifier according to claim 1, it is characterised in that: the seal case bottom peace
Equipped with the bottom plate with universal wheel.
3. a kind of metal 3D printing fume purifier according to claim 1, it is characterised in that: the blowback air valve, exhaust
Valve, gas washing valve, blow valve are all made of electric control valve.
4. a kind of metal 3D printing fume purifier according to claim 1, it is characterised in that: the caliber of the gas washing tubule
For 0.2-1cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710486508.0A CN109107291A (en) | 2017-06-23 | 2017-06-23 | A kind of metal 3D printing fume purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710486508.0A CN109107291A (en) | 2017-06-23 | 2017-06-23 | A kind of metal 3D printing fume purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109107291A true CN109107291A (en) | 2019-01-01 |
Family
ID=64733207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710486508.0A Pending CN109107291A (en) | 2017-06-23 | 2017-06-23 | A kind of metal 3D printing fume purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109107291A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH037408B2 (en) * | 1983-03-29 | 1991-02-01 | Tsucha Seisakusho Kk | |
| CN204841305U (en) * | 2015-06-16 | 2015-12-09 | 赫尔工业设备(上海)有限公司 | Smoke and dust clean system of central authorities |
| CN205007797U (en) * | 2015-09-06 | 2016-02-03 | 淄博永华滤清器制造有限公司 | Portable small -size welding fume clarifier |
| CN205673595U (en) * | 2016-06-25 | 2016-11-09 | 成都雍熙聚材科技有限公司 | A kind of can high efficiency reduce oxygen content 3D printing device shaped cavity |
| CN205763853U (en) * | 2016-06-25 | 2016-12-07 | 成都雍熙聚材科技有限公司 | Gas circulating purifying device for 3D printing device forming atmosphere |
| CN205763854U (en) * | 2016-06-25 | 2016-12-07 | 成都雍熙聚材科技有限公司 | Explosion-proof purifying tank for 3D printing device |
-
2017
- 2017-06-23 CN CN201710486508.0A patent/CN109107291A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH037408B2 (en) * | 1983-03-29 | 1991-02-01 | Tsucha Seisakusho Kk | |
| CN204841305U (en) * | 2015-06-16 | 2015-12-09 | 赫尔工业设备(上海)有限公司 | Smoke and dust clean system of central authorities |
| CN205007797U (en) * | 2015-09-06 | 2016-02-03 | 淄博永华滤清器制造有限公司 | Portable small -size welding fume clarifier |
| CN205673595U (en) * | 2016-06-25 | 2016-11-09 | 成都雍熙聚材科技有限公司 | A kind of can high efficiency reduce oxygen content 3D printing device shaped cavity |
| CN205763853U (en) * | 2016-06-25 | 2016-12-07 | 成都雍熙聚材科技有限公司 | Gas circulating purifying device for 3D printing device forming atmosphere |
| CN205763854U (en) * | 2016-06-25 | 2016-12-07 | 成都雍熙聚材科技有限公司 | Explosion-proof purifying tank for 3D printing device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190101 |