CN201416552Y - Spray centrifugal dedusting fan - Google Patents
Spray centrifugal dedusting fan Download PDFInfo
- Publication number
- CN201416552Y CN201416552Y CN200920028220XU CN200920028220U CN201416552Y CN 201416552 Y CN201416552 Y CN 201416552Y CN 200920028220X U CN200920028220X U CN 200920028220XU CN 200920028220 U CN200920028220 U CN 200920028220U CN 201416552 Y CN201416552 Y CN 201416552Y
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- Prior art keywords
- air duct
- separator
- rear portion
- wall
- dust
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000007921 spray Substances 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000010865 sewage Substances 0.000 claims abstract description 16
- 238000005507 spraying Methods 0.000 claims description 23
- 239000000428 dust Substances 0.000 abstract description 45
- 238000001914 filtration Methods 0.000 abstract description 4
- 239000003570 air Substances 0.000 description 106
- 239000002245 particle Substances 0.000 description 23
- 239000007787 solid Substances 0.000 description 10
- 239000000843 powder Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 239000003595 mist Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a spray centrifugal dedusting fan, wherein the fan is arranged in the intermediate portion of an air duct, a spray device which corresponds to a fan impeller is positioned on an air inlet, a separator is arranged on the rear portion of the fan impeller and corresponds to the fan impeller, a outer cylinder wall is connected on the outer wall of the air duct, a water-carrying port is positioned on the bottom portion of the outer cylinder wall, a filtering water tank is connected with the bottom portion of the outer cylinder wall and corresponds to the water-carrying port, a drain outlet is arranged on the bottom portion of the filtering water tank, the outer cylinder wall is connected on the center back portion of the air duct outer wall, a cavity is arranged between the air duct outer wall and the outer cylinder wall, the center back wall of the air duct is provided with a plurality of through-hole which are communicated with the cavity, and the front end of the air duct outer wall is corresponding to the rear portion of the fan impeller. The spray centrifugal dedusting fan can resolves the problems that in the prior art, the sewage water can not be discharged smoothly, the dedusting efficiency is low, and the fine dust in dust-laden air is so hard to collect that the dedusting quality is influenced.
Description
Technical field
The utility model relates to the dusting apparatus technical field, specifically a kind of spray centrifugal dust-removing fan that is used for down-hole, mine removal work surface ambient air dust.
Background technique
At present; in the more serious places of dust pollution such as mine underground work and tunnel constructions; mostly adopt the dust removal apparatus of filter net type that the dust in the dust laden air is removed by the circulating filtration form, purify the air of operation, construction site with this, the protection staff's is healthy.This dust removal apparatus mainly is to filter dust in the dust laden air by the minimum filter screen of mesh, but, because of filter screen can adsorb increasing dust in the middle of using, make that the resistance of air circulation is increasing, the load that causes fan motor thus constantly increases, it has not only been wasted the energy, has influenced dust removal efficiency, and is easy to cause burning of fan motor.
Chinese patent 200820021354.4 discloses a kind of Wet-type dust-removal fan, it takes dust laden air water spray and unpack format in being inhaled into air duct, it separates it after can making dust form the dust-laden drop, and by the sewage discharge of several through holes on the air duct with the formation of dust-laden drop, it need not adopt filter screen can reach the purpose of removing dust in the dust laden air, so fundamentally solved the existing problems of above-mentioned technology.But, there is following shortcoming in it in the middle of reality is used: one, sewer is obstructed and influence dust removal efficiency, because of the interlayer cavity that is provided with on the air duct and the equal in length of whole air duct, several through holes of offering on the air duct are distributed on the whole inner tube wall, blower fan is arranged on the medium position in the air duct, when draught fan impeller rotates, the front side of draught fan impeller is in negative pressure state, the rear side of draught fan impeller is in barotropic state, that is: the front portion is negative pressure state in the air duct, mid-rear portion is barotropic state, thus, several through holes that occupy front portion in the air duct are under the negative pressure state effect, be easy to generate the obstructed situation of sewer, and cause the problem that dust removal efficiency reduces thus easily; Two, fine solid particle in the dust laden air is difficult for catching and influences the dedusting quality, because of it takes simple mixed form to the dust laden air water spray, reach water mist particle directly with dust laden air in the powder dust particle purpose of colliding mutually and mixing, but because water mist particle and powder dust particle all are in the high-speed motion state, its probability that collides mutually can be subjected to influence to a certain degree, particularly the movement velocity of fine solid particle is faster, the probability that it and water mist particle collide mutually is lower, therefore, this simple mixed form be difficult to guarantee water mist particle can with powder dust particle, the particularly effective collision of fine solid particle, be difficult to the degree and the quality that guarantee that they mix mutually, so badly influence powder dust particle, fine solid particle capture rate particularly.
Summary of the invention
The purpose of this utility model provides a kind of spray centrifugal dust-removing fan, it need not adopt the strainer filtering form can reach the purpose of dust in effective removal dust laden air, it is obstructed and influence dust removal efficiency that it can solve sewer that prior art exists, and the fine solid particle in the dust laden air is difficult for catching and influences the problem of dedusting quality.
The purpose of this utility model is achieved through the following technical solutions: spray centrifugal dust-removing fan, it comprises air duct, the air duct rear and front end has intake grill and the exhaust outlet that communicates with each other respectively, blower fan of being made up of fan motor and draught fan impeller and spraying device, separator are connected in the air duct, blower fan is installed in the middle part in the air duct, spraying device is arranged on the intake grill, and draught fan impeller is corresponding with spraying device, and separator is arranged on the rear portion of draught fan impeller and corresponding with it; Connect outer tube wall on the air duct outer wall, the outer tube wall bottom offered the mouth of a river, water tank with strainer is with the connection of outer tube wall bottom and with the mouth of a river is corresponding excessively, the water tank with strainer bottom is provided with sewage draining exit, outer tube wall is connected on the position of air duct outer wall mid-rear portion, between the mid-rear portion of air duct outer wall and the outer tube wall cavity is arranged, offer several through holes that communicate with cavity on the mid-rear portion wall of air duct, the front end of outer tube wall is corresponding with the rear portion of draught fan impeller.
For further realizing the purpose of this utility model, also can finish by the following technical programs: connect the water curtain net in the air duct, the water curtain net is arranged between draught fan impeller and the spraying device.Connect first collecting ring in the air duct, first collecting ring is arranged on the rear portion of separator.The drag reducing device that is the circular arc taper is installed in the intake grill, and drag reducing device is connected with the air duct inwall by the fixing frame on it.The rectifier that is the circular arc taper is installed in the exhaust outlet, and rectifier is connected with the air duct inwall by the support on it.Connect second separator in the air duct, second separator is arranged in the exhaust outlet, and second collecting ring is installed in the exhaust outlet, and second collecting ring is connected with air duct, and second collecting ring is arranged on the rear portion of second separator.Rectifier is connected on the central position of second separator.Circulating water pump is installed on the outer tube wall, circulating water pump by pipeline one end be connected with spraying device, the other end is connected with water tank with strainer and communicate.Connect support in the air duct, install on the support and separate impeller, separate impeller and be arranged between the separator and second separator.Offer suitable for reading on the top at air duct middle part, the casing that the upper end offers thermovent is arranged in the air duct, and be connected with suitable for reading, have between casing and the air duct inwall at interval, fan motor is installed in the casing, draught fan impeller is provided with in the air duct, and the terminal box that is connected with fan motor is arranged on the top of thermovent.
The beneficial effect that the utility model can produce: because of outer tube wall being connected on the position of air duct outer wall mid-rear portion, between the mid-rear portion of air duct outer wall and the outer tube wall cavity is arranged, offer several through holes that communicate with cavity on the mid-rear portion wall of air duct, the front end of outer tube wall is corresponding with the rear portion of draught fan impeller, so several through holes of offering on the air duct all are under the barotropic state, the smooth and easy inflow in the cavity by through hole of the sewage that it can make the dust-laden drop form is discharged from, whole sewer process has can not be subjected to the distinguishing feature that the interior front portion of air duct is any influence of negative pressure state, so effectively improved dust removal efficiency, and reduced certain energy consumption and noise;
Because of the front portion in air duct connects the water curtain net, the water curtain net is arranged on the anterior and corresponding with spraying device of draught fan impeller, the water smoke that spraying device sprays can form drop and moisture film on the net at water curtain, when dust laden air passes through on it, drop and moisture film can make the powder dust particle and the fine solid particle that are in the high-speed motion state collide with it, fully mix mutually with it, guaranteed degree and the quality that they mix mutually with this, so, the water curtain net not only can be caught the powder dust particle in the dust laden air, and can effectively catch the airborne fine solid particle of dirt, it has fundamentally guaranteed the dedusting quality, and has not the advantage that can be stopped up by powder dust particle.
It is unobstructed to the utlity model has sewer, the dust removal efficiency ideal, and can catch fine solid particle in the dust laden air, and the remarkable advantage that the dedusting quality is high, extensive use can produce tangible society, economic benefit.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Spray centrifugal dust-removing fan of the present utility model, it comprises air duct 1, air duct 1 rear and front end has intake grill 1a and the exhaust outlet 1b that communicates with each other respectively, blower fan of being made up of fan motor 22 and draught fan impeller 22a and spraying device 2, separator 23 are connected in the air duct 1, blower fan is installed in the middle part in the air duct 1, spraying device 2 is arranged on the intake grill 1a, and draught fan impeller 22a is corresponding with spraying device 2, and separator 23 is arranged on the rear portion of draught fan impeller 22a and corresponding with it; Connect outer tube wall 11 on air duct 1 outer wall, outer tube wall 11 bottoms offered mouth of a river 11a, water tank with strainer 13 is with the connection of outer tube wall 11 bottoms and with mouth of a river 11a is corresponding excessively, water tank with strainer 13 bottoms are provided with sewage draining exit 14, outer tube wall 11 is connected on the position of air duct 1 outer wall mid-rear portion, between the mid-rear portion of air duct 1 outer wall and the outer tube wall 11 cavity 12 is arranged, offer several through holes 1c that communicates with cavity 12 on the mid-rear portion wall of air duct 1, the front end of outer tube wall 11 is corresponding with the rear portion of draught fan impeller 22a.Connect water curtain net 5 in the air duct 1, water curtain net 5 is arranged between draught fan impeller 22a and the spraying device 2.Connect the rear portion that first collecting ring, 24, the first collecting rings 24 are arranged on separator 23 in the air duct 1.The drag reducing device 4 that is the circular arc taper is installed in the intake grill 1a, and drag reducing device 4 is connected with air duct 1 inwall by the fixing frame 3 on it.The rectifier 32 that is the circular arc taper is installed in the exhaust outlet 1b, and rectifier 32 is connected with air duct 1 inwall by the support on it.Connect second separator, 31, the second separators 31 in the air duct 1 and be arranged in the exhaust outlet 1b, second collecting ring, 33, the second collecting rings 33 are installed in the exhaust outlet 1b are connected with air duct 1, second collecting ring 33 is arranged on the rear portion of second separator 31.Rectifier 32 is connected on the central position of second separator 31.Circulating water pump 6 is installed on the outer tube wall 11, circulating water pump 6 by pipeline one end be connected with spraying device 2, the other end is connected with water tank with strainer 13 and communicate.Connect support 41 in the air duct 1, install on the support 41 and separate impeller 42, separate impeller 42 and be arranged between the separator 23 and second separator 31.Offer suitable for reading on the top at air duct 1 middle part, the casing 21 that the upper end offers thermovent is arranged in the air duct 1, and be connected with suitable for reading, have between casing 21 and air duct 1 inwall at interval, fan motor 22 is installed in the casing 21, draught fan impeller 22a is provided with in the air duct 1, and the terminal box 22b that is connected with fan motor 22 is arranged on the top of thermovent.
Embodiment 1:
Blower fan is installed in middle part in the air duct 1, spraying device 2 is connected on the intake grill 1a of air duct 1, water curtain net 5 is arranged between draught fan impeller 22a and the spraying device 2, and draught fan impeller 22a is corresponding with water curtain net 5, and separator 23 is arranged on the rear portion of draught fan impeller 22a and corresponding with it; Connect outer tube wall 11 on air duct 1 outer wall, outer tube wall 11 bottoms offered mouth of a river 11a, water tank with strainer 13 is with the connection of outer tube wall 11 bottoms and with mouth of a river 11a is corresponding excessively, water tank with strainer 13 bottoms are provided with sewage draining exit 14, outer tube wall 11 is connected on the mid-rear portion position of air duct 1 outer wall, between the mid-rear portion of air duct 1 outer wall and the outer tube wall 11 cavity 12 is arranged, offer several through holes 1c that communicates with cavity 12 on the mid-rear portion wall of air duct 1, the front end of outer tube wall 11 is corresponding with the rear portion of draught fan impeller 22a, and first collecting ring 24 is arranged on the rear portion of separator 23; In the intake grill 1a of air duct 1 drag reducing device 4 is set, drag reducing device 4 is connected with air duct 1 inwall by fixing frame 3; In the exhaust outlet 1b of air duct 1 rectifier 32 is set, rectifier 32 is connected with air duct 1 inwall by support.Offer suitable for reading on the top at air duct 1 middle part, the casing 21 that the upper end offers thermovent is arranged in the air duct 1, and be connected with suitable for reading, have between casing 21 and air duct 1 inwall at interval, fan motor 22 is installed in the casing 21, draught fan impeller 22a is provided with in the air duct 1, and the terminal box 22b that is connected with fan motor 22 is arranged on the top of thermovent.
Working state is described: when blower fan working fan impeller 22a rotates, the front portion of draught fan impeller 22a is in negative pressure state, the mid-rear portion of draught fan impeller 22a is in barotropic state, that is: the front portion is a negative pressure state in the air duct 1, mid-rear portion is a barotropic state, spraying device 2 is connected with water supply pipe, the water smoke that spraying device 2 sprays can form drop and moisture film on water curtain net 5, when dust laden air passes through on it, drop and moisture film can make the powder dust particle and the fine solid particle that are in the high-speed motion state collide with it, fully mix mutually with it, with this powder dust particle in dust laden air and fine solid particle are caught, form the dust-laden drop, dust-containing liquid drops in the first separation effect of draught fan impeller 22a and is thrown on the mid-rear portion inwall of air duct 1 down, the sewage that the dust-laden drop is formed is smooth and easy to be flowed in the cavity 12 by several through holes 1c, and is discharged from by crossing mouth of a river 11a inflow water tank with strainer 13.
Owing in air duct 1, connect separator 23, separator 23 is arranged on the rear portion of draught fan impeller 22a and corresponding with it, it can carry out the dust laden air after draught fan impeller 22a first separation the second time and separate, further the dust-laden drop is thrown on the mid-rear portion inwall of air duct 1, the smooth and easy inflow in the cavity 12 by several through holes 1c of sewage that the dust-laden drop is formed is discharged from, and makes dust removing effects desirable more.Owing in air duct 1, connect first collecting ring 24, first collecting ring 24 is arranged on the rear portion of separator 23, so it can make the dust-laden droplet congregating on the mid-rear portion inwall of being thrown to air duct 1 form sewage, and can impel the well-regulated bottom in air duct 1 of its sewage to flow.Because the drag reducing device 4 that is the circular arc taper is installed in intake grill 1a, drag reducing device 4 is connected with air duct 1 by the fixing frame 3 on it, it can make the air-flow that enters in the air duct 1 steadily be quickened, so it has played raising air-flow efficient, has guaranteed that intake velocity is even, the effect of reduction operational noise.Because the rectifier 32 that is the circular arc taper is installed in exhaust outlet 1b, it can make the dynamic pressure of exhaust outlet 1b obtain reclaiming, so it can improve the static pressure efficiency and the ability to work of blower fan, has played the effect that reduces operational noise simultaneously.Owing on the top at tube 1 middle part, offer suitable for reading, the casing 21 that the upper end offers thermovent is arranged in the air duct 1, and be connected with suitable for reading, so it can make fan motor 22 outwards dispel the heat by the thermovent of casing 21, to guarantee the proper functioning of fan motor 22.
Embodiment 2:
On embodiment 1 basis, in air duct 1, connect second separator 31 again, second separator 31 is arranged in the exhaust outlet 1b, and second collecting ring 33 is installed in exhaust outlet 1b, second collecting ring 33 and 1 interior connection of air duct, second collecting ring 33 is arranged on the rear portion of second separator 31, and rectifier 32 is connected on the central position of second separator 31.
Owing in air duct 1, connect second separator 31, second separator 31 is arranged in the exhaust outlet 1b, it will separate for the third time through the dust laden air after separator 23 secondary separations again, it can further be thrown to the dust-laden drop on the rear inside wall of air duct 1 again, the smooth and easy inflow in the cavity 12 by several through holes 1c of sewage that the dust-laden drop is formed is discharged from, and the dedusting quality is further improved.Because second collecting ring 33 is installed in exhaust outlet 1b, second collecting ring 33 and 1 interior connection of air duct, second collecting ring 33 is arranged on the rear portion of second separator 31, so it can make the dust-laden drop of being thrown on air duct 1 rear inside wall assemble formation sewage once more, and can impel its well-regulated bottom in air duct 1 to flow once more, to carry moisture in the air of effectively avoiding exhaust outlet 1b to be discharged.
Embodiment 3:
On embodiment 1 and embodiment's 2 basis, circulating water pump 6 is installed on outer tube wall 11, since circulating water pump 6 by pipeline one end be connected with spraying device 2, the other end is connected with water tank with strainer 13 and communicate, so it can make the sewage that flows in the water tank with strainer 13 be re-used as spraying device 2 water sources after treatment, recycle with this and reach water-saving purpose.It is known technology that the sewage draining exit 14 of water tank with strainer 13 is provided with sewage draining valve.
Embodiment 4:
On embodiment 1, embodiment 2 and embodiment's 3 basis, in air duct 1, connect support 41, install on the support 41 and separate impeller 42, separating impeller 42 is arranged between the separator 23 and second separator 31, can further improve centrifugal force owing to separate impeller 42, so it can make the dust-laden drop throw to better effects if on air duct 1 rear inside wall, make dust removing effects desirable more.
According to circumstances in air duct 1, also can set up several collecting rings, to carry moisture in the air of further avoiding exhaust outlet 1b to be discharged.The separator 23 and second separator 31 are circumferential arrangement by several guide vanes and consist of known technology.
Control circuit of the present utility model partly is a known technology.
Technological scheme described in the utility model is not limited only to the mode of execution of present embodiment record, can also have other mode of execution to finish the technical solution of the utility model.
The technology that the utility model is not described in detail, shape, structure partly are known technology.
Claims (10)
1, spray centrifugal dust-removing fan, it comprises air duct (1), air duct (1) rear and front end has intake grill (1a) and the exhaust outlet (1b) that communicates with each other respectively, blower fan of being made up of fan motor (22) and draught fan impeller (22a) and spraying device (2), separator (23) are connected in the air duct (1), blower fan is installed in the middle part in the air duct (1), spraying device (2) is arranged on the intake grill (1a), draught fan impeller (22a) is corresponding with spraying device (2), and separator (23) is arranged on the rear portion of draught fan impeller (22a) and corresponding with it; Connect outer tube wall (11) on air duct (1) outer wall, outer tube wall (11) bottom offered the mouth of a river (11a), water tank with strainer (13) connects with outer tube wall (11) bottom and is corresponding with the mistake mouth of a river (11a), water tank with strainer (13) bottom is provided with sewage draining exit (14), it is characterized in that: outer tube wall (11) is connected on the position of air duct (1) outer wall mid-rear portion, between the mid-rear portion of air duct (1) outer wall and the outer tube wall (11) cavity (12) is arranged, offer several through holes (1c) that communicate with cavity (12) on the mid-rear portion wall of air duct (1), the front end of outer tube wall (11) is corresponding with the rear portion of draught fan impeller (22a).
2, spray centrifugal dust-removing fan according to claim 1 is characterized in that: connect water curtain net (5) in the air duct (1), water curtain net (5) is arranged between draught fan impeller (22a) and the spraying device (2).
3, spray centrifugal dust-removing fan according to claim 1 is characterized in that: connect first collecting ring (24) in the air duct (1), first collecting ring (24) is arranged on the rear portion of separator (23).
4, spray centrifugal dust-removing fan according to claim 1 is characterized in that: the drag reducing device that is the circular arc taper is installed in the intake grill (1a), and (4) ， Minus resistance devices (4) are connected with air duct (1) inwall by the fixing frame (3) on it.
5, spray centrifugal dust-removing fan according to claim 1 is characterized in that: the rectifier (32) that is the circular arc taper is installed in the exhaust outlet (1b), and rectifier (32) is connected with air duct (1) inwall by the support on it.
6, spray centrifugal dust-removing fan according to claim 1, it is characterized in that: connect second separator (31) in the air duct (1), second separator (31) is arranged in the exhaust outlet (1b), second collecting ring (33) is installed in the exhaust outlet (1b), second collecting ring (33) is connected with air duct (1), and second collecting ring (33) is arranged on the rear portion of second separator (31).
7, according to claim 5 or 6 described spray centrifugal dust-removing fans, it is characterized in that: rectifier (32) is connected on the central position of second separator (31).
8, spray centrifugal dust-removing fan according to claim 1, it is characterized in that: outer tube wall (11) go up to be installed circulating water pump (6), circulating water pump (6) by pipeline one end be connected with spraying device (2), the other end is connected with water tank with strainer (13) and communicate.
9, according to claim 1 or 6 described spray centrifugal dust-removing fans, it is characterized in that: connect support (41) in the air duct (1), support (41) is gone up to install and is separated impeller (42), separates impeller (42) and is arranged between separator (23) and second separator (31).
10, spray centrifugal dust-removing fan according to claim 1, it is characterized in that: offer suitable for reading on the top at air duct (1) middle part, the casing (21) that the upper end offers thermovent is arranged in the air duct (1), and be connected with suitable for reading, have between casing (21) and air duct (1) inwall at interval, fan motor (22) is installed in the casing (21), and draught fan impeller (22a) is provided with in the air duct (1), and the terminal box (22b) that is connected with fan motor (22) is arranged on the top of thermovent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920028220XU CN201416552Y (en) | 2009-06-23 | 2009-06-23 | Spray centrifugal dedusting fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920028220XU CN201416552Y (en) | 2009-06-23 | 2009-06-23 | Spray centrifugal dedusting fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201416552Y true CN201416552Y (en) | 2010-03-03 |
Family
ID=41792969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920028220XU Expired - Fee Related CN201416552Y (en) | 2009-06-23 | 2009-06-23 | Spray centrifugal dedusting fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201416552Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011120208A1 (en) * | 2010-03-31 | 2011-10-06 | Guo Feng | Spraying centrifugal dust remove blower |
| CN108457690A (en) * | 2018-02-06 | 2018-08-28 | 山东科技大学 | A kind of mine dust-extraction unit based on double-cyclone filter core |
| CN110397591A (en) * | 2019-07-19 | 2019-11-01 | 泉州台商投资区华林设计有限公司 | A kind of rotary-vane type air conditioning compressor |
| CN111282381A (en) * | 2020-04-24 | 2020-06-16 | 山东新阳光环保设备股份有限公司 | Double-stage sleeve rotary wet dust-removing gas washing machine |
-
2009
- 2009-06-23 CN CN200920028220XU patent/CN201416552Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011120208A1 (en) * | 2010-03-31 | 2011-10-06 | Guo Feng | Spraying centrifugal dust remove blower |
| CN108457690A (en) * | 2018-02-06 | 2018-08-28 | 山东科技大学 | A kind of mine dust-extraction unit based on double-cyclone filter core |
| CN110397591A (en) * | 2019-07-19 | 2019-11-01 | 泉州台商投资区华林设计有限公司 | A kind of rotary-vane type air conditioning compressor |
| CN111282381A (en) * | 2020-04-24 | 2020-06-16 | 山东新阳光环保设备股份有限公司 | Double-stage sleeve rotary wet dust-removing gas washing machine |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TAIAN SANYUAN VENTILATION + DUST REMOVING EQUIPMEN Free format text: FORMER OWNER: GUO FENG Effective date: 20100907 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 271000 ROOM 502, UNIT 3, BUILDING 5, JINQIAO RESIDENTIAL QUATER, CAIYUAN STREET, TAISHAN DISTRICT, TAIAN CITY, SHANDONG PROVINCE TO: 271000 ZHAOZHUANG VILLAGE, BEIJIPO TOWNSHIP, HIGH-TECH. ZONE, TAIAN CITY, SHANDONG PROVINCE |
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