CN107670448B - Dust collector and system sand production line - Google Patents
Dust collector and system sand production line Download PDFInfo
- Publication number
- CN107670448B CN107670448B CN201711079120.5A CN201711079120A CN107670448B CN 107670448 B CN107670448 B CN 107670448B CN 201711079120 A CN201711079120 A CN 201711079120A CN 107670448 B CN107670448 B CN 107670448B
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- Prior art keywords
- dust
- chamber
- dust removal
- gravity settling
- dust removing
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Abstract
The invention relates to the field of sand making equipment, and discloses a dust removing device and a sand making production line, wherein the dust removing device comprises a shell (10) with a cavity defined inside, a dust removing chamber (100), a gravity settling chamber (200) and a dust collecting chamber (300) are arranged in the cavity, the gravity settling chamber (200) is provided with an air inlet (11), the dust removing chamber (100) is provided with an air outlet (12), and the dust collecting chamber (300) is positioned below the dust removing chamber (100) and the gravity settling chamber (200) so as to be communicated with the dust removing chamber (100) and the gravity settling chamber (200) through the dust collecting chamber (300). The dust removing device can obviously enhance the dust removing effect, and has the advantages of simple structure, compact and reasonable device layout and small occupied space.
Description
Technical Field
The invention relates to the field of sand making equipment, in particular to a dust removing device and a sand making production line with the dust removing device.
Background
The aggregate of the sand is the most widely applied material in the building field, and in recent years, along with exhaustion of natural sand and increase of government environmental protection and improvement, dry sand preparation is the mainstream of sand preparation industry. However, in the dry sand making process, the configured sand making machine inevitably generates stone powder with the particle size below 0.075mm when crushing materials, and the powder-containing gas collected by each transfer point, dust collection point and sorting dust collection point can seriously pollute the atmosphere and the surrounding environment if being directly discharged.
In order to remove dust from ash discharge points of a production line and recover and store redundant stone powder in finished sand, so as to meet the powder content requirement of industry on the finished sand, and meet the requirement of national environmental protection policy, dust removal equipment becomes necessary equipment in the dry sand production process.
The dust removing equipment used at present is mostly primary dust removing equipment only provided with a dust remover, and when the dust removing equipment is used, high-concentration gas containing coarse particles directly enters the dust remover to increase the load of the dust remover, and meanwhile, the dust remover is easy to be impacted by the coarse particles to generate abrasion, so that the dust removing effect and the service life of the dust remover are affected.
Therefore, it is necessary to provide a dust removing device with good dust removing effect, simple structure and high space utilization rate.
Disclosure of Invention
The invention aims to provide the dust removing device with good dust removing effect, simple structure and high space utilization rate and the sand making production line with the dust removing device.
In order to achieve the above object, according to one aspect of the present invention, there is provided a dust removing apparatus including a housing having a cavity defined therein, a dust removing chamber, a gravity settling chamber, and a dust collecting chamber disposed in the cavity, wherein the gravity settling chamber is provided with an air inlet, the dust removing chamber is provided with an air outlet, and the dust collecting chamber is disposed under the dust removing chamber and the gravity settling chamber to communicate the dust removing chamber and the gravity settling chamber through the dust collecting chamber.
Preferably, a blocking structure is arranged in the gravity settling chamber, and the blocking structure can block dust-containing gas entering from the gas inlet from entering the dust removal chamber from the gravity settling chamber.
Preferably, the housing comprises a first side and a second side opposite the first side, the air inlet being located at the first side;
the baffle structure comprises a diaphragm plate and two side baffles, wherein the diaphragm plate extends from the first side to the second side, the two side baffles are arranged side by side at intervals, the diaphragm plate is arranged between the two side baffles and defines an airflow cavity together with the two side baffles, and the air inlet is communicated with the airflow cavity.
Preferably, the diaphragm is arranged to extend obliquely downwards from the first side to the second side.
Preferably, the side guards are arranged to extend downwardly from the top wall of the housing; and/or
The bottom ends of the two side guards are formed in a horn shape away from each other downward.
Preferably, an inertial dust removal structure is arranged in the gravity settling chamber, and is positioned in the airflow cavity, and the inertial dust removal structure comprises a guide plate for guiding dust-containing gas entering from the air inlet to flow downwards.
Preferably, the deflector comprises a horizontal portion and an inclined portion extending obliquely downwards from the horizontal portion, and an included angle between the extending direction of the inclined portion and the horizontal direction is 100-130 degrees.
Preferably, the inertial dust removing structure comprises fixing plates detachably connected to two ends of the guide plate respectively, and the fixing plates are fixedly connected to the side baffles.
Preferably, a plurality of the inertial dust removal structures are arranged in the gravity settling chamber in a downward stepped arrangement in a direction from the first side to the second side.
Preferably, a filter bag is arranged in the dust removing chamber.
Preferably, a blowing device capable of blowing air to the filter bag is arranged in the dust removing chamber.
Preferably, the blocking structure is arranged in the middle of the shell, the dust removing chamber is provided with a plurality of filter bags, and the filter bags are arranged on two sides of the blocking structure.
Preferably, the dust removing device includes a bracket under the housing to support the housing.
Preferably, the dust removing device comprises an induced draft fan connected with the air outlet and a discharge pipeline connected with the induced draft fan.
The invention further provides a sand production line which comprises a sand production line and the dust removing device, wherein the sand production line is communicated with an air inlet of the dust removing device through a conveying pipeline.
Through the technical scheme, the dust removing device integrates the dust removing chamber, the gravity settling chamber and the dust collecting chamber, and when the dust removing device is used, dust-containing gas entering from the air inlet is subjected to gravity settling in the gravity settling chamber at first, so that larger dust particles are settled in the dust collecting chamber; the gas which is subjected to gravity sedimentation then enters a dust collection chamber for further dust collection, so that small dust particles in the dust-containing gas are scattered downwards and deposited in the dust collection chamber. Compared with the prior art, the dust removing device can obviously enhance the dust removing effect, and is simple in structure, compact and reasonable in device layout and small in occupied space.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate the invention and together with the description serve to explain, without limitation, the invention. In the drawings:
FIG. 1 is a schematic view of an embodiment of a sand making line of the present invention, wherein a blowing device is omitted;
FIG. 2 is a schematic view of the dust removing device of FIG. 1, wherein the bracket is omitted;
FIG. 3 is a right side view of FIG. 2 showing the blower but omitting the induced draft fan and discharge piping;
FIG. 4 is a schematic view of an embodiment of a baffle structure of the present invention, further illustrating the location of the air inlet;
fig. 5 is a schematic structural view of an embodiment of the inertial dust collection structure according to the present invention.
Description of the reference numerals
10 housing 11 air inlet
12 air outlet 13 first side
14 second side 100 dust chamber
110 filter bag 120 blowing device
200 gravity settling chamber 210 blocking structure
211 diaphragm 212 side baffle
213 air current chamber 220 inertial dust removal structure
221 deflector 2211 horizontal section
2212 inclined part 222 fixing plate
20 support 21 draught fan
22 discharge pipeline 23 sand making line
Dust collecting chamber of 24 conveying pipeline 300
Detailed Description
The following describes specific embodiments of the present invention in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.
In the present invention, unless otherwise indicated, terms of orientation such as "upper and lower" are used to generally refer to orientations in the assembled state of use. "inner and outer" means inner and outer relative to the contour of the respective parts themselves.
The invention provides a dust removing device, which comprises a shell 10 with a cavity defined inside, wherein a dust removing chamber 100, a gravity settling chamber 200 and a dust collecting chamber 300 are arranged in the cavity, the gravity settling chamber 200 is provided with an air inlet 11, the dust removing chamber 100 is provided with an air outlet 12, and the dust collecting chamber 300 is positioned below the dust removing chamber 100 and the gravity settling chamber 200 so as to be communicated with the dust removing chamber 100 and the gravity settling chamber 200 through the dust collecting chamber 300.
When the dust removing device is used, the dust-containing gas entering the shell 10 from the gas inlet 11 is firstly subjected to gravity sedimentation in the gravity sedimentation chamber 200, so that larger dust particles are settled in the dust collection chamber 300; the gas after gravity sedimentation enters the dust chamber 100 for further dust removal, so that small dust particles in the dust-containing gas scatter downwards and are deposited in the dust chamber 300; the dedusted gas is finally discharged from the gas outlet 12. Thus, not only the dust removing effect of the dust removing device can be effectively improved, but also the dust removing load of the dust removing chamber 100 can be reduced. Wherein, through will dust collecting chamber 100, gravity settling chamber 200 and dust collecting chamber 300 integration are arranged in same cavity, not only can make dust collector has the function of secondary dust removal, can reduce dust collector's occupation space moreover, makes dust collector's inner space obtains reasonable utilization simultaneously. Therefore, compared with the prior art, the dust removing device provided by the invention not only can obviously enhance the dust removing effect, but also has the advantages of simple structure, compact and reasonable device layout and small occupied space.
As shown in fig. 2 and 3, the dust removing device of one embodiment, the upper region of the cavity of the housing 10 is formed with a dust chamber 100 and a gravity settling chamber 200, and the lower region of the cavity is formed with a dust chamber 300 for receiving dust particles from the dust chamber 100 and the gravity settling chamber 200. Wherein there is no clear boundary between the dust chamber 100 and the gravity settling chamber 200, as shown in fig. 3, the dust chamber 100 is located at the top of the cavity, and a partial region of the dust chamber 100 and a region between the dust chamber 100 and the dust chamber 300 can be regarded as the gravity settling chamber 200.
In order to prevent the dust-containing gas entering the gravity settling chamber 200 from the gas inlet 11 from entering the dust removing chamber 100 without gravity settling, as shown in fig. 1 to 3, a blocking structure 210 is provided in the gravity settling chamber 200, and the blocking structure 210 can block the dust-containing gas entering from the gas inlet 11 from entering the dust removing chamber 100 from the gravity settling chamber 200.
In the present invention, the housing 10 may have any shape, and according to an embodiment of the present invention, the housing 10 includes a first side 13 and a second side 14 opposite to the first side 13, wherein the air inlet 11 is located at the first side 13, and the air outlet 12 may be located at the top of the housing 10, or may be located at a side of the housing 10, preferably at the second side 14 of the housing 10 (see fig. 2).
According to a preferred embodiment of the blocking structure 210 of the present invention, as shown in fig. 3 and 4, the blocking structure 210 includes a diaphragm 211 and two side baffles 212 extending from the first side 13 to the second side 14, the two side baffles 212 being spaced apart side by side, the diaphragm 211 being disposed between the two side baffles 212 and defining an airflow chamber 213 together with the two side baffles 212, the diaphragm 211 being in contact with the first side 13 at a position higher than the position of the air inlet 11 at the first side 13, the air inlet 11 being in communication with the airflow chamber 213, i.e. the airflow chamber 213 being a cavity with a lower opening, i.e. the diaphragm 211 blocks the dust-laden gas from rising after the dust-laden gas has entered the airflow chamber 213 from the air inlet 11. In this way, the dust-containing gas entering from the gas inlet 11 first enters the gas flow chamber 213 for gravity settling.
Wherein, as shown in fig. 2, the diaphragm 211 is preferably disposed to extend obliquely downward from the first side 13 to the second side 14. As shown in fig. 3, the side guards 212 are provided to extend downward from the top wall of the housing 10 for ease of installation and to simplify the installation structure.
Further, the bottom ends of the two side guards 212 are formed in a horn shape away from each other downward (see fig. 3 and 4). This better directs the flow of dust laden gas into the chamber 100 in a more gentle flow condition by the trumpet-like movement of both sides of the side dams 212. Wherein the horn-shaped opening angle alpha is preferably 20-80 deg., more preferably 30 deg..
In order to further improve the dust removing effect of the dust removing device of the present invention, as shown in fig. 2, an inertial dust removing structure 220 may be further disposed in the gravity settling chamber 200, the inertial dust removing structure 220 being disposed in the airflow chamber 213, the inertial dust removing structure 220 including a deflector 221 guiding the dust-containing gas entering from the air inlet 11 to flow downward. Thus, the dust removing device has the functions of three-stage dust removal (including inertial dust removal, gravity sedimentation and dust removal of a dust removal chamber).
In accordance with a preferred embodiment of the present invention, as shown in fig. 5, the deflector 221 includes a horizontal portion 2211 and an inclined portion 2212 extending obliquely downward from the horizontal portion 2211, the extending direction of the horizontal portion 2211 is the extending direction from the first side 13 to the second side 14, wherein an angle (β in fig. 5) between the extending direction of the inclined portion 2212 and the horizontal direction is preferably 100-130 °, and more preferably 120 °, and the inclined portion 2212 head-on blocks and guides the high-speed moving dust-containing gas (the dust-containing gas is the gas flow having the moving direction of the moving speed). In this way, after the dust-containing gas collides with the deflector 221, the movement speed is further reduced, and the movement direction is changed from horizontal to approximately vertical downwards, and the dust in the dust-containing gas is accelerated to settle under the action of self gravity, so that the effects of gravity settling and inertial dust removal can be further improved.
In the present invention, in order to facilitate the installation of the deflector 221, the inertial dust collection structure 220 may further include fixing plates 222 detachably connected to both ends of the deflector 221, wherein the fixing plates 222 are fixedly connected to the side shields 212. Wherein, the baffle 221 and the fixing plate 222 can be detachably connected by bolts, so that the baffle 221 can be replaced after being worn. Both sides of the fixing plate 222 may be respectively connected to two side baffles 212 to form an integrated structure.
In the present invention, preferably, a plurality of inertial dust collection structures 220 may be disposed in the gravity settling chamber 200, and the inertial dust collection structures 220 may be disposed in a downward stepped manner along a direction from the first side 13 to the second side 14 (see fig. 2). This can function as a complete flow guide such that the dust-laden gas, which has entered the gravity settling chamber 200 to complete the primary gravity settling dust removal, collides with the flow guide 221 in the front direction during the flow, and the operation speed of the dust particles in the front collision is significantly reduced according to the principle of inertial dust removal (i.e., a dust removal method in which the dust-laden gas collides with a baffle plate or the air flow is abruptly changed, and particles are separated and trapped by the inertial force of the dust particles), and since the air flow chamber 213 is a structure having closed top and both sides, the dust particles can only move downward under pressure, thus settling under the gravity and depositing in the dust collecting chamber 300.
In the present invention, various types of dust collectors may be disposed in the dust collection chamber 100, and according to one embodiment of the present invention, as shown in fig. 1 or 3, a filter bag 110 is disposed in the dust collection chamber 100 to remove dust from dust-containing gas by a filtering function of the filter bag 110.
In order to scatter dust particles adsorbed on the filter bag 110 and deposit the dust particles in the dust collection chamber 300, a blowing device 120 capable of blowing air toward the filter bag 110 is further provided in the dust collection chamber 100. Of course, the blower 120 may also be disposed at the top of the housing 10, as shown in fig. 3. The filter bag 110 may be a filter screen structure, and dust particles in the dust-containing gas cannot pass through the filter screen when passing through the filter bag 110, and are adsorbed on the filter bag 110 and scattered under the wind force of the blower 120, so as to be deposited in the dust chamber 300 for storage.
In the present invention, the blocking structure 210 is preferably disposed at the middle of the housing 10, and the dust chamber 100 may be provided with a plurality of the filter bags 110, and the filter bags 110 are disposed at both sides of the blocking structure 210 (see fig. 3).
In addition, the dust removing device may further include a bracket 20 positioned below the housing 10 to support the housing 10.
In the present invention, the dust removing device may further include an induced draft fan 21 connected to the air outlet 12 and a discharge pipe 22 connected to the induced draft fan 21. In this way, the dust-containing gas flowing downwards through the flow guide plate 221 is guided to move upwards under the action of the negative pressure of the induced draft fan 21 after two-stage dust removal by gravity sedimentation and inertial dust removal, enters the dust removal chamber 100 to be filtered by the filter bag 110, and clean gas passing through the filter bag 110 is converged at the air outlet 12 of the dust removal chamber 100 under the action of the negative pressure of the induced draft fan 21, continuously flows to the induced draft fan 21 and is finally discharged to the atmosphere through the discharge pipeline 22.
The invention also provides a sand production line which comprises a sand production line 23 and the dust removing device, wherein the sand production line 23 is communicated with the air inlet 11 of the dust removing device through a conveying pipeline 24.
In the sand making production line according to one embodiment shown in fig. 1, in use, the dust-containing gas generated by the sand making line 23 directly enters the gravity settling chamber 200 of the dust removing device through the conveying pipeline 24, and according to the gravity settling principle (i.e. after the dust-containing gas enters the gravity settling chamber, the flow speed is rapidly reduced due to suddenly expanding the overflow area, and at this time, the air flow is in a laminar flow state, wherein the larger dust particles slowly settle downwards under the action of self gravity), and the larger dust particles settle into the dust collecting chamber 300; meanwhile, during the flow of the dust-containing gas, the dust particles collide with the deflector 221 in the front direction, and according to the principle of inertial dust removal (i.e., a dust removal method in which the dust particles are separated and trapped by inertial force of the dust particles even though the dust-containing gas collides with a baffle or the air flow is abruptly changed in direction), the running speed of the dust particles in the front collision is remarkably reduced, so that the dust particles can only move downward under pressure, thus settling under the action of gravity and being deposited in the dust chamber 300; the gas subjected to gravity sedimentation and inertial dust removal then enters the dust removal chamber 100 to further remove dust, so that small dust particles in the dust-containing gas scatter downwards and are deposited in the dust collection chamber 300; finally, the clean gas after three stages of dust removal is discharged from the gas outlet 12 and discharged to the atmosphere through a discharge pipe 22. The discharged gas meets the national pollutant discharge standard due to three-stage dust removal.
Compared with the primary dust collector (only provided with a dust collector) or the secondary dust collector (provided with the dust collector and a gravity settling chamber, but the gravity settling chamber is independently arranged) in the prior art, the dust collector has the following advantages: the three-stage dust removal of gravity sedimentation, inertial dust removal and filter bag dust removal are innovatively integrated, the dust removal effect is remarkably improved, and the device has the advantages of low cost, compact structure and small occupied area; compared with the existing secondary dust removing device, the invention fully utilizes the cavity of the shell 10 to carry out gravity sedimentation, and has low cost and good effect; the gas entering the dust chamber 100 for filtering and dust removing has low powder concentration, small filtering load and small abrasion to the filter bag 110, can obviously enhance the dust removing effect and prolongs the service life of the filter bag 110.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the scope of the technical concept of the present invention, and all the simple modifications belong to the protection scope of the present invention.
In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations of the invention are not described in detail in order to avoid unnecessary repetition.
Moreover, any combination of the various embodiments of the invention can be made without departing from the spirit of the invention, which should also be considered as disclosed herein.
Claims (13)
1. A dust removal device, characterized in that the dust removal device comprises a shell (10) with a cavity defined inside, wherein a dust removal chamber (100), a gravity settling chamber (200) and a dust collecting chamber (300) are arranged in the cavity, the gravity settling chamber (200) is provided with an air inlet (11), the dust removal chamber (100) is provided with an air outlet (12), and the dust collecting chamber (300) is positioned below the dust removal chamber (100) and the gravity settling chamber (200) so as to be communicated with the dust removal chamber (100) and the gravity settling chamber (200) through the dust collection chamber (300);
a blocking structure (210) is arranged in the gravity settling chamber (200), and the blocking structure (210) can block dust-containing gas entering from the gas inlet (11) from entering the dust removing chamber (100) from the gravity settling chamber (200);
-said housing (10) comprises a first side (13) and a second side (14) opposite to the first side (13), said air inlet (11) being located at said first side (13);
the blocking structure (210) comprises a diaphragm plate (211) extending from the first side (13) to the second side (14) and two side baffle plates (212), wherein the two side baffle plates (212) are arranged at intervals side by side, the diaphragm plate (211) is arranged between the two side baffle plates (212) and is used for limiting an airflow cavity (213) together with the two side baffle plates (212), and the air inlet (11) is communicated with the airflow cavity (213).
2. A dust extraction device according to claim 1, characterized in that the diaphragm (211) is arranged to extend obliquely downwards from the first side (13) to the second side (14).
3. The dust extraction device according to claim 1, characterized in that the side baffles (212) are arranged to extend downwards from a top wall of the housing (10); and/or
The bottom ends of the two side guards (212) are formed in a horn shape away from each other downward.
4. The dust removal device according to claim 1, wherein an inertial dust removal structure (220) is arranged in the gravity settling chamber (200), the inertial dust removal structure (220) is positioned in the airflow cavity (213), and the inertial dust removal structure (220) comprises a deflector (221) for guiding dust-containing gas entering from the air inlet (11) to flow downwards.
5. The dust removal device of claim 4, wherein the deflector (221) includes a horizontal portion (2211) and an inclined portion (2212) extending obliquely downward from the horizontal portion (2211), and an angle between an extending direction of the inclined portion (2212) and the horizontal direction is 100-130 °.
6. The dust collector of claim 5, wherein the inertial dust collection structure (220) includes fixing plates (222) detachably connected to both ends of the deflector (221), and the fixing plates (222) are fixedly connected to the side shields (212).
7. The dust removal device according to claim 4, characterized in that a plurality of inertial dust removal structures (220) are arranged in the gravity settling chamber (200), the plurality of inertial dust removal structures (220) being arranged stepwise downwards in a direction from the first side (13) to the second side (14).
8. The dust extraction device according to any one of claims 1-7, characterized in that a filter bag (110) is arranged in the dust extraction chamber (100).
9. A dust collector according to claim 8, characterized in that a blowing device (120) capable of blowing air towards the filter bag (110) is arranged in the dust collector (100).
10. The dust removal device according to claim 8, wherein the blocking structure (210) is provided in a middle portion of the housing (10), the dust removal chamber (100) is provided with a plurality of filter bags (110), and the filter bags (110) are provided on both sides of the blocking structure (210).
11. The dust removal device according to claim 1, characterized in that the dust removal device comprises a bracket (20) located below the housing (10) to support the housing (10).
12. The dust removal device according to claim 1, characterized in that the dust removal device comprises an induced draft fan (21) connected to the air outlet (12) and a discharge duct (22) connected to the induced draft fan (21).
13. A sand production line, characterized in that it comprises a sand production line (23) and a dust collector according to any one of claims 1-12, said sand production line (23) being in communication with the air inlet (11) of said dust collector via a conveying conduit (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711079120.5A CN107670448B (en) | 2017-11-06 | 2017-11-06 | Dust collector and system sand production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711079120.5A CN107670448B (en) | 2017-11-06 | 2017-11-06 | Dust collector and system sand production line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107670448A CN107670448A (en) | 2018-02-09 |
| CN107670448B true CN107670448B (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711079120.5A Active CN107670448B (en) | 2017-11-06 | 2017-11-06 | Dust collector and system sand production line |
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| CN (1) | CN107670448B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111645230B (en) * | 2020-05-18 | 2023-05-16 | 广东致顺化工环保设备有限公司 | Control system for vehicle-mounted cold-pressing briquetting equipment for recycling foamed plastic |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101053728A (en) * | 2007-03-02 | 2007-10-17 | 合肥水泥研究设计院 | Flow guiding device for bag dust remover air duct |
| CN201375864Y (en) * | 2009-01-15 | 2010-01-06 | 潍坊爱普环保设备有限公司 | Bag-type dust collector |
| CN203602508U (en) * | 2013-12-12 | 2014-05-21 | 郑州一帆机械设备有限公司 | Mechanical sand production system |
| CN206483279U (en) * | 2017-01-10 | 2017-09-12 | 武威市天瑞丰种业有限公司 | High-pressure vortex sack cleaner |
| CN207429972U (en) * | 2017-11-06 | 2018-06-01 | 中联重科股份有限公司 | Dust-extraction unit and sand production line processed |
-
2017
- 2017-11-06 CN CN201711079120.5A patent/CN107670448B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101053728A (en) * | 2007-03-02 | 2007-10-17 | 合肥水泥研究设计院 | Flow guiding device for bag dust remover air duct |
| CN201375864Y (en) * | 2009-01-15 | 2010-01-06 | 潍坊爱普环保设备有限公司 | Bag-type dust collector |
| CN203602508U (en) * | 2013-12-12 | 2014-05-21 | 郑州一帆机械设备有限公司 | Mechanical sand production system |
| CN206483279U (en) * | 2017-01-10 | 2017-09-12 | 武威市天瑞丰种业有限公司 | High-pressure vortex sack cleaner |
| CN207429972U (en) * | 2017-11-06 | 2018-06-01 | 中联重科股份有限公司 | Dust-extraction unit and sand production line processed |
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| Publication number | Publication date |
|---|---|
| CN107670448A (en) | 2018-02-09 |
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