CN102805983B - Gas purifier and venturi flume thereof - Google Patents
Gas purifier and venturi flume thereof Download PDFInfo
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- CN102805983B CN102805983B CN201210010584.1A CN201210010584A CN102805983B CN 102805983 B CN102805983 B CN 102805983B CN 201210010584 A CN201210010584 A CN 201210010584A CN 102805983 B CN102805983 B CN 102805983B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 230000007704 transition Effects 0.000 claims description 46
- 238000005452 bending Methods 0.000 claims description 17
- 238000011144 upstream manufacturing Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 239000002245 particle Substances 0.000 abstract description 5
- 238000004887 air purification Methods 0.000 abstract 1
- 239000003973 paint Substances 0.000 description 5
- 238000000889 atomisation Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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- Separation Of Particles Using Liquids (AREA)
- Treating Waste Gases (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The invention discloses a gas purifier and a venturi flume of the gas purifier. The venturi flume is provided with an air inlet on the upper part and an air outlet on the lower part. The venturi flume is provided with a first-stage venturi tube structure and a second-stage venturi tube structure arranged along the air flow direction. The first-stage venturi tube structure comprises an upper throat part, a first-stage gradually reducing segment located at the upper stream of the upper throat part and communicated with the air inlet, and a divergent segment located at the lower stream of the upper throat part. The second-stage venturi tube structure comprises a lower throat part, a second-stage gradually reducing segment located at the upper stream of the lower throat part. The second-stage gradually reducing segment is butted with the first-stage divergent segment of the first-stage venturi tube structure. The outlet on the lower throat part of the second-stage venturi tube structure is the air outlet of the venturi flume. The venturi flume provided by the invention adopts a double-stage venturi tube structure to deflate and inflate the air twice, effectively improves the relative speeds of air and water flow, improves the efficiency of water drops to catch suspended particles in the air, and improves the air purification efficiency.
Description
Technical field
The invention belongs to air cleaning unit technical field, be specifically related to a kind of gas purifier, the venturi flume that the present invention simultaneously also provides a kind of above-mentioned gas clarifier used.
Background technology
In paint industry, for preventing directly entering atmosphere pollution environment containing the air sprayed paint with air draft in paint spray booth, how in the bottom melt pit of paint spray booth, purifier to be installed, after purification filtering being carried out to the gas being mixed with suspended particulate by purifier, to do emptying process again.
Purifier many employings wet type venturi clarifier, the basic functional principle of wet type venturi clarifier is: form uniform moisture film at the converging transition porch of Venturi tube introducing current and cover on Venturi tube inwall, when the air being mixed with suspended particulate flows through venturi converging transition, along with reducing of flow area, air velocity raises gradually, arrive throat's Airflow speed and reach maximum, now the water layer of throat's wall is entrainmented a large amount of very tiny water droplet of formation by the air-flow of high speed, suspended particulate in air acutely mixes with vaporific water droplet in the throat of Venturi tube, thus reach the object purified air.When air after purification flows through divergent segment, flow velocity reduces gradually and finally drains, and the water droplet simultaneously capturing a large amount of suspended particulate is also discharged thereupon.The many suspended particulates caught by collision or the mode of disperse in air of water droplet in wet type Venturi tube.The factor affecting Venturi tube capturing efficiency mainly contains three-phase: 1, the relative velocity of particle and water droplet, and 2, the diameter of particle, 3, drop diameter.Specifically, capturing efficiency all increases along with the increase of the relative velocity of particle and water droplet, increases with the reduction of liquid-drop diameter, and when all external condition reaches optimum, the size of particle will determine the maximum capturing efficiency that Venturi tube can reach.
For meeting the requirement of the large exhaust air rate of paint spray booth, the venturi flume 1 that the many employings of wet type venturi clarifier extend longitudinally, the sectional view of this venturi flume 1 as shown in Figure 1, this venturi flume is one-level venturi tube structure structure, the upstream of the throat 12 of one-level venturi tube structure 10 is provided with converging transition 11, the throat of one-level venturi tube structure is isometrical section of size constancy, the outlet of the throat of one-level venturi tube structure directly and the intracavity inter-connection of clarifier, between the outlet of venturi flume and the air outlet of clarifier, multiple Diversion Plate 13 that keeps out the wind is furnished with successively in the inner chamber of clarifier, taken away by air-flow to prevent the water droplet being mixed with suspended particulate, be cleaned the air after filtration along gas circuit finally discharged to air.Venturi flume shown in Fig. 1 has smooth Curved runner, can decrease the friction loss of air and water.But can find from its structural analysis, due to this venturi flume venturi tube structure only once convergent-divergent process therefore belong to one-level venturi tube structure.When carrying out the calculating in flow field to it, can find that venturi tube structure flow channel entry point is wider, cause relative atmospheric flow velocity not to be very large, not enough being entrainmented by moisture film on wall in air forms atomization, and capturing efficiency is lower, affects the purification efficiency of whole venturi flume.
Summary of the invention
The object of the present invention is to provide a kind of gas purifier venturi flume, affect the technical problem of purification efficiency with the venturi tube structure solving the venturi flume in prior art in venturi clarifier for one-level venturi tube structure; Meanwhile, the present invention also provides a kind of gas purifier using above-mentioned venturi flume.
For achieving the above object, gas purifier venturi flume provided by the present invention adopts following technical scheme: a kind of gas purifier venturi flume, this venturi flume has superposed air inlet and is positioned at the exhaust outlet of bottom, described venturi flume has the one-level venturi tube structure and secondary venturi tube structure arranged along gas flow, one-level venturi tube structure comprises throat, be positioned at the one-level converging transition be connected with described air inlet of throat upstream and be positioned at the divergent segment in upper throat downstream, secondary venturi tube structure comprises lower throat and is positioned at the secondary converging transition of lower throat upstream, the one-level divergent segment of this secondary converging transition and described one-level venturi tube structure connects, the outlet of the lower throat of described secondary venturi tube structure is the exhaust outlet of described venturi flume.
Described venturi flume comprises the biside plate for forming gas flow channel extended longitudinally, the top of biside plate is the water conduction section extended towards the air inlet of described venturi flume, the tilting section inwardly of the one-level converging transition be extended with for forming one-level venturi tube structure is bent all downwards at the end of the water conduction section of biside plate, the end of the tilting section inwardly of biside plate extends to the lower throat of described one-level venturi tube structure, all downward at the end of the tilting section inwardly of biside plate, and bending is extended with the tilting section outwardly of the one-level divergent segment for forming one-level venturi tube structure outwardly, the end of the tilting section outwardly of one of them side plate is extended with the section of having a down dip of the secondary converging transition for forming secondary Venturi tube towards the exhaust outlet bending of described venturi flume, the end of the tilting section outwardly of another side plate is extended with angled transition section towards the exhaust outlet bending of described venturi flume, lower horizontal segment for coordinating the secondary converging transition to form secondary venturi tube structure with the described section of having a down dip is extended with in the horizontal direction towards the exhaust outlet of described venturi flume at the end of angled transition section, the described section of having a down dip and lower horizontal segment all extend to the lower throat of described secondary venturi tube structure.
The upper throat location of described one-level venturi tube structure and/or the lower throat location of secondary venturi tube structure are provided with the adjustable plate structure of the throat dimension for regulating venturi tube structure, and this adjustable plate structure comprises the adjustable adjustable plate be assemblied on venturi flume.
Adjustable plate in the adjustable plate structure of the upper throat location of described one-level venturi tube structure is two pieces, on the medial surface of the adjustable tilting section being inwardly arranged on described biside plate that two pieces of adjustable plates are corresponding, formed for treating that gas and current enter the passage of the upper throat of one-level venturi tube structure between two adjustable plates.
The adjustable plate of the lower throat location of described secondary venturi tube structure vertically extends, the section of having a down dip described in the adjustable installation of this adjustment plate or the end of lower horizontal segment.
Gas purifier provided by the present invention adopts following technical scheme: a kind of gas purifier, comprise the venturi flume extended longitudinally, this venturi flume has superposed air inlet and is positioned at the exhaust outlet of bottom, the intracavity inter-connection of this exhaust outlet and clarifier, described venturi flume has the one-level venturi tube structure and secondary venturi tube structure arranged along gas flow, one-level venturi tube structure comprises throat, be positioned at the one-level converging transition be connected with described air inlet of throat upstream and be positioned at the divergent segment in upper throat downstream, secondary venturi tube structure comprises lower throat and is positioned at the secondary converging transition of lower throat upstream, the one-level divergent segment of this secondary converging transition and described one-level venturi tube structure connects, the outlet of the lower throat of described secondary venturi tube structure is the exhaust outlet of described venturi flume.
Described venturi flume comprises the biside plate for forming gas flow channel extended longitudinally, the top of biside plate is the water conduction section extended towards the air inlet of described venturi flume, the tilting section inwardly of the one-level converging transition be extended with for forming one-level venturi tube structure is bent all downwards at the end of the water conduction section of biside plate, the end of the tilting section inwardly of biside plate extends to the lower throat of described one-level venturi tube structure, all downward at the end of the tilting section inwardly of biside plate, and bending is extended with the tilting section outwardly of the one-level divergent segment for forming one-level venturi tube structure outwardly, the end of the tilting section outwardly of one of them side plate is extended with the section of having a down dip of the secondary converging transition for forming secondary Venturi tube towards the exhaust outlet bending of described venturi flume, the end of the tilting section outwardly of another side plate is extended with angled transition section towards the exhaust outlet bending of described venturi flume, lower horizontal segment for coordinating the secondary converging transition to form secondary venturi tube structure with the described section of having a down dip is extended with in the horizontal direction towards the exhaust outlet of described venturi flume at the end of angled transition section, the described section of having a down dip and lower horizontal segment all extend to the lower throat of described secondary venturi tube structure.
The upper throat location of described one-level venturi tube structure and/or the lower throat location of secondary venturi tube structure are provided with the adjustable plate structure of the throat dimension for regulating venturi tube structure, and this adjustable plate structure comprises the adjustable adjustable plate be assemblied on venturi flume.
Adjustable plate in the adjustable plate structure of the upper throat location of described one-level venturi tube structure is two pieces, on the medial surface of the adjustable tilting section being inwardly arranged on described biside plate that two pieces of adjustable plates are corresponding, formed for treating that gas and current enter the passage of the upper throat of one-level venturi tube structure between two adjustable plates.
The adjustable plate of the lower throat location of described secondary venturi tube structure vertically extends, the section of having a down dip described in the adjustable installation of this adjustment plate or the end of lower horizontal segment.
The invention has the beneficial effects as follows: venturi flume provided by the present invention comprises the one-level venturi tube structure and secondary venturi tube structure that are connected, when gas can experience twice convergent-divergent process through this venturi flume experience, air is at the upper throat location experience first time convergent-divergent being positioned at middle part of one-level venturi tube structure, waters air after the one-level divergent segment place atomization in the upper throat downstream of one-level venturi tube structure mixes fully, then enter the secondary converging transition of secondary venturi tube structure simultaneously, inject directly in the cavity of clarifier after the lower throat location experience second time convergent-divergent of secondary venturi tube structure.During use, gas purifier venturi flume provided by the present invention adopts twin-stage venturi tube structure to carry out twice convergent-divergent process to air, effectively raise the relative velocity of gas and current, improve the capturing efficiency of water droplet to the suspended particulate in gas, improve gas cleaning efficiency.
The present invention comprises the one-level venturi tube structure and secondary venturi tube structure that are connected with the venturi flume in the gas purifier provided, drain from exhaust outlet after going through secondary convergent-divergent after gas enters from the air inlet of venturi flume, effectively raise the relative velocity of gas and current, improve the capturing efficiency of water droplet to the suspended particulate in air, improve gas cleaning efficiency.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section of a kind of venturi clarifier in prior art;
Fig. 2 is the structural representation of a kind of embodiment of gas purifier venturi flume provided by the present invention;
Fig. 3 is the A place structure for amplifying schematic diagram in Fig. 2;
Fig. 4 is the part-structure schematic diagram of a kind of embodiment of gas purifier provided by the present invention;
(arrow in Fig. 1, Fig. 2, Fig. 4 is the roughly flow direction of gas.）。
Detailed description of the invention
As Fig. 2, shown in Fig. 3, a kind of embodiment of gas purifier venturi flume, venturi flume 2 in this embodiment has superposed air inlet and is positioned at the exhaust outlet of bottom, described venturi flume has the one-level venturi tube structure 21 and secondary venturi tube structure 22 arranged along gas flow, one-level venturi tube structure comprises throat 212, be positioned at the one-level converging transition 210 be connected with described air inlet of throat upstream and the divergent segment 213 being positioned at upper throat downstream, , secondary venturi tube structure 22 comprises lower throat 221 and is positioned at the secondary converging transition 222 of lower throat upstream, this secondary converging transition 222 connects with the one-level divergent segment 213 of described one-level venturi tube structure, the outlet of the lower throat 221 of described secondary venturi tube structure is the exhaust outlet of described venturi flume.
Preferably, as shown in Figure 2, above-mentioned venturi flume comprises the biside plate for forming gas flow channel extended longitudinally, the top of biside plate is the water conduction section 3 extended towards the air inlet of described venturi flume, the tilting section inwardly 4 of the one-level converging transition be extended with for forming one-level venturi tube structure is bent all downwards at the end of the water conduction section 3 of biside plate, the end of the tilting section inwardly 4 of biside plate extends to the lower throat 212 of described one-level venturi tube structure, all downward at the end of the tilting section inwardly of biside plate, and bending is extended with the tilting section outwardly 5 of the one-level divergent segment for forming one-level venturi tube structure outwardly, the end of the tilting section outwardly of one of them side plate is extended with the section of having a down dip 8 of the secondary converging transition for forming secondary Venturi tube towards the exhaust outlet bending of described venturi flume, the end of the tilting section outwardly of another side plate is extended with angled transition section 6 towards the exhaust outlet bending of described venturi flume, lower horizontal segment 7 for coordinating the secondary converging transition to form secondary venturi tube structure with the described section of having a down dip is extended with in the horizontal direction towards the exhaust outlet of described venturi flume at the end of angled transition section, the described section of having a down dip 8 and lower horizontal segment 7 all extend to the lower throat of described secondary venturi tube structure.
Upper throat 212 position of described one-level venturi tube structure 21 and lower throat 221 position of secondary venturi tube structure 22 are provided with the adjustable plate structure of the throat dimension for regulating venturi tube structure, and this adjustable plate structure comprises the adjustable adjustable plate be assemblied on venturi flume.One-level adjustable plate 211 in the adjustable plate structure of upper throat 212 position of described one-level venturi tube structure 21 is two pieces, on the medial surface of the adjustable tilting section being inwardly arranged on described biside plate that two pieces of one-level adjustable plates are corresponding, formed for treating that gas and current enter the passage of the upper throat of one-level venturi tube structure between two one-level adjustable plates.The secondary adjustable plate 223 of lower throat 221 position of described secondary venturi tube structure 22 vertically extends, the section of having a down dip described in the adjustable installation of this secondary adjustment plate or the end of lower horizontal segment.Secondary adjustable plate vertically can move adjustment with the throat dimension changing secondary venturi tube structure, and after secondary adjustable plate moves and adjusts to the right place, secondary adjustable plate is fixed on venturi flume.
During use, containing the one-level venturi tube structure 21 be connected and secondary venturi tube structure 22 in gas purifier venturi flume 2 in above-described embodiment, gas experienced by twice convergent-divergent process in this venturi flume, gas is at the upper throat location experience first time convergent-divergent being positioned at middle part of one-level venturi tube structure 21, water after the one-level divergent segment place atomization in the upper throat downstream of one-level venturi tube structure 21 mixes fully with gas, then enter next converging transition simultaneously, inject directly in the inner chamber of clarifier after the lower throat location experience second time convergent-divergent of secondary venturi tube structure 22.
As shown in Figure 4, a kind of embodiment of gas purifier, gas purifier in this embodiment comprises the venturi flume extended longitudinally, this venturi flume has superposed air inlet and is positioned at the exhaust outlet of bottom, the intracavity inter-connection of this exhaust outlet and clarifier, venturi flume in this embodiment adopts sink structure as shown in Figure 2 and Figure 3, does not repeat them here.This gas purifier is also included in three water fenders 23 arranged between the exhaust outlet of venturi flume and the air outlet of clarifier in clarifier inner chamber, these three upper and lower interlaced arrangement of water fender, three water fenders are wanted the air flow energy that can ensure to carry secretly water droplet to walk around every layer of water fender with appropriate streamline to reach the object dewatered.
During use, containing the one-level venturi tube structure 21 be connected and secondary venturi tube structure 22 in venturi flume 2 in gas purifier in above-described embodiment, gas experienced by twice convergent-divergent process in this venturi flume, gas is at the upper throat location experience first time convergent-divergent being positioned at middle part of one-level venturi tube structure 21, water after the one-level divergent segment place atomization in the upper throat downstream of one-level venturi tube structure 21 mixes fully with air, then enter next converging transition simultaneously, inject directly in the cavity of clarifier after the lower throat location experience second time convergent-divergent of secondary venturi tube structure 22.Adopt twin-stage venturi tube structure to carry out twice convergent-divergent process to gas, effectively raise the relative velocity of gas and current, improve the capturing efficiency of water droplet to the suspended particulate in gas, improve gas cleaning efficiency.
Claims (8)
1. a gas purifier venturi flume, this venturi flume has superposed air inlet and is positioned at the exhaust outlet of bottom, it is characterized in that: described venturi flume have along gas flow arrange one-level venturi tube structure and secondary venturi tube structure twice convergent-divergent process is carried out to gas, one-level venturi tube structure comprises throat, be positioned at the one-level converging transition be connected with described air inlet of throat upstream and be positioned at the one-level divergent segment in upper throat downstream, secondary venturi tube structure comprises lower throat and is positioned at the secondary converging transition of lower throat upstream, the one-level divergent segment of this secondary converging transition and described one-level venturi tube structure connects, the outlet of the lower throat of described secondary venturi tube structure is the exhaust outlet of described venturi flume, described venturi flume comprises the biside plate for forming gas flow channel extended longitudinally, the top of biside plate is the water conduction section extended towards the air inlet of described venturi flume, the tilting section inwardly of the one-level converging transition be extended with for forming one-level venturi tube structure is bent all downwards at the end of the water conduction section of biside plate, the end of the tilting section inwardly of biside plate extends to the upper throat of described one-level venturi tube structure, all downward at the end of the tilting section inwardly of biside plate, and bending is extended with the tilting section outwardly of the one-level divergent segment for forming one-level venturi tube structure outwardly, the end of the tilting section outwardly of one of them side plate is extended with the section of having a down dip of the secondary converging transition for forming secondary Venturi tube towards the exhaust outlet bending of described venturi flume, the end of the tilting section outwardly of another side plate is extended with angled transition section towards the exhaust outlet bending of described venturi flume, lower horizontal segment for coordinating the secondary converging transition to form secondary venturi tube structure with the described section of having a down dip is extended with in the horizontal direction towards the exhaust outlet of described venturi flume at the end of angled transition section, the described section of having a down dip and lower horizontal segment all extend to the lower throat of described secondary venturi tube structure, described one-level venturi tube structure extends along the vertical direction, described secondary venturi tube structure extends towards described exhaust outlet to make one in the horizontal direction, secondary venturi tube structure forms L-type bending structure.
2. gas purifier venturi flume according to claim 1, it is characterized in that: the upper throat location of described one-level venturi tube structure and/or the lower throat location of secondary venturi tube structure are provided with the adjustable plate structure of the throat dimension for regulating venturi tube structure, and this adjustable plate structure comprises the adjustable adjustable plate be assemblied on venturi flume.
3. gas purifier venturi flume according to claim 2, it is characterized in that: the adjustable plate in the adjustable plate structure of the upper throat location of described one-level venturi tube structure is two pieces, on the medial surface of the adjustable tilting section being inwardly arranged on described biside plate that two pieces of adjustable plates are corresponding, formed for treating that gas and current enter the passage of the upper throat of one-level venturi tube structure between two adjustable plates.
4. gas purifier venturi flume according to claim 2, it is characterized in that: the adjustable plate of the lower throat location of described secondary venturi tube structure vertically extends, the section of having a down dip described in the adjustable installation of this adjustment plate or the end of lower horizontal segment.
5. a gas purifier, comprise the venturi flume extended longitudinally, this venturi flume has superposed air inlet and is positioned at the exhaust outlet of bottom, the intracavity inter-connection of this exhaust outlet and clarifier, it is characterized in that: described venturi flume have along gas flow arrange one-level venturi tube structure and secondary venturi tube structure twice convergent-divergent process is carried out to gas, one-level venturi tube structure comprises throat, be positioned at the one-level converging transition be connected with described air inlet of throat upstream and be positioned at the one-level divergent segment in upper throat downstream, secondary venturi tube structure comprises lower throat and is positioned at the secondary converging transition of lower throat upstream, the one-level divergent segment of this secondary converging transition and described one-level venturi tube structure connects, the outlet of the lower throat of described secondary venturi tube structure is the exhaust outlet of described venturi flume, described venturi flume comprises the biside plate for forming gas flow channel extended longitudinally, the top of biside plate is the water conduction section extended towards the air inlet of described venturi flume, the tilting section inwardly of the one-level converging transition be extended with for forming one-level venturi tube structure is bent all downwards at the end of the water conduction section of biside plate, the end of the tilting section inwardly of biside plate extends to the upper throat of described one-level venturi tube structure, all downward at the end of the tilting section inwardly of biside plate, and bending is extended with the tilting section outwardly of the one-level divergent segment for forming one-level venturi tube structure outwardly, the end of the tilting section outwardly of one of them side plate is extended with the section of having a down dip of the secondary converging transition for forming secondary Venturi tube towards the exhaust outlet bending of described venturi flume, the end of the tilting section outwardly of another side plate is extended with angled transition section towards the exhaust outlet bending of described venturi flume, lower horizontal segment for coordinating the secondary converging transition to form secondary venturi tube structure with the described section of having a down dip is extended with in the horizontal direction towards the exhaust outlet of described venturi flume at the end of angled transition section, the described section of having a down dip and lower horizontal segment all extend to the lower throat of described secondary venturi tube structure, described one-level venturi tube structure extends along the vertical direction, described secondary venturi tube structure extends towards described exhaust outlet to make one in the horizontal direction, secondary venturi tube structure forms L-type bending structure.
6. gas purifier according to claim 5, it is characterized in that: the upper throat location of described one-level venturi tube structure and/or the lower throat location of secondary venturi tube structure are provided with the adjustable plate structure of the throat dimension for regulating venturi tube structure, and this adjustable plate structure comprises the adjustable adjustable plate be assemblied on venturi flume.
7. gas purifier according to claim 6, it is characterized in that: the adjustable plate in the adjustable plate structure of the upper throat location of described one-level venturi tube structure is two pieces, on the medial surface of the adjustable tilting section being inwardly arranged on described biside plate that two pieces of adjustable plates are corresponding, formed for treating that gas and current enter the passage of the upper throat of one-level venturi tube structure between two adjustable plates.
8. gas purifier according to claim 6, is characterized in that: the adjustable plate of the lower throat location of described secondary venturi tube structure vertically extends, the section of having a down dip described in the adjustable installation of this adjustment plate or the end of lower horizontal segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210010584.1A CN102805983B (en) | 2012-01-14 | 2012-01-14 | Gas purifier and venturi flume thereof |
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| CN201210010584.1A CN102805983B (en) | 2012-01-14 | 2012-01-14 | Gas purifier and venturi flume thereof |
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| CN102805983B true CN102805983B (en) | 2015-01-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105583111A (en) * | 2016-03-09 | 2016-05-18 | 四维尔丸井(广州)汽车零部件有限公司 | Spraying room system with high paint catching rate |
| CN105727665B (en) * | 2016-04-15 | 2018-05-25 | 中国汽车工业工程有限公司 | Venturi type coating cloud captures mold segment and mist catching device |
| CN106289416B (en) * | 2016-08-16 | 2019-03-22 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of critical Venturi nozzle method of calculating flux |
| CN110215793A (en) * | 2019-07-11 | 2019-09-10 | 苏州思诚者信息科技有限公司 | The processing method of high-temperature dyeing exhaust gas |
| CN110906333A (en) * | 2019-12-13 | 2020-03-24 | 西门子（中国）有限公司 | Air-fuel mixer and combustion system |
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| DE2458821A1 (en) * | 1974-12-12 | 1976-06-16 | Heinz Hoelter | Venturi section for wet scrubbers for gases - has convex and concave chambers in series |
| CN2393630Y (en) * | 1999-11-12 | 2000-08-30 | 郭少华 | Venturi tube with adjustable throat |
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| CN201404798Y (en) * | 2009-03-16 | 2010-02-17 | 浙江大学 | A device for evenly distributing airflow in a circulating fluidized bed |
| CN202410454U (en) * | 2012-01-14 | 2012-09-05 | 机械工业第四设计研究院 | Gas purifier and Venturi water tank thereof |
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2012
- 2012-01-14 CN CN201210010584.1A patent/CN102805983B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2458821A1 (en) * | 1974-12-12 | 1976-06-16 | Heinz Hoelter | Venturi section for wet scrubbers for gases - has convex and concave chambers in series |
| CN2393630Y (en) * | 1999-11-12 | 2000-08-30 | 郭少华 | Venturi tube with adjustable throat |
| CN2465778Y (en) * | 2001-02-26 | 2001-12-19 | 吴伟扬 | Siphon swirl immersed high-efficiency desulfurizing dust remover |
| CN200989595Y (en) * | 2006-12-22 | 2007-12-12 | 云国峰 | Washing dust removing device |
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| CN202410454U (en) * | 2012-01-14 | 2012-09-05 | 机械工业第四设计研究院 | Gas purifier and Venturi water tank thereof |
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