CN112855583A - Vortex mixing wheel axle dewatering type dust removing fan - Google Patents
Vortex mixing wheel axle dewatering type dust removing fan Download PDFInfo
- Publication number
- CN112855583A CN112855583A CN202110216295.6A CN202110216295A CN112855583A CN 112855583 A CN112855583 A CN 112855583A CN 202110216295 A CN202110216295 A CN 202110216295A CN 112855583 A CN112855583 A CN 112855583A
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- Prior art keywords
- dehydration
- wheel shaft
- vortex
- fan
- vortex mixing
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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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/289—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps having provision against erosion or for dust-separation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/705—Adding liquids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/706—Humidity separation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cyclones (AREA)
Abstract
The invention discloses a vortex mixing wheel shaft dehydration type dust removal fan which comprises a fan barrel, wherein a vortex mixing device, a fan and a wheel shaft dehydration device are sequentially arranged on the fan barrel from an air inlet to an air outlet, the vortex mixing device comprises a spraying mechanism and a vortex mixer, the wheel shaft dehydration device comprises a dehydration chamber cylindrical shell, a vortex generator, a plurality of groups of guide plates, a sewage collection tank and a dehydration wheel shaft, the vortex generator is fixed on the air inlet surface of the dehydration chamber cylindrical shell, the sewage collection tank is arranged at the opening at the lower end of the dehydration chamber cylindrical shell, the dehydration wheel shaft is arranged at the joint of the sewage collection tank and the dehydration chamber cylindrical shell, the plurality of groups of guide plates are axially arranged at the downstream side of a rotating air flow along the dehydration chamber cylindrical shell, the guide plates are obliquely arranged relative to the inner wall of the dehydration chamber cylindrical shell, and a vortex gap is formed between. The invention provides a vortex mixing wheel shaft dehydration type dust removal fan, which realizes vortex mixing, wheel shaft dehydration and dust removal treatment and ensures the dust removal and dehydration effects.
Description
Technical Field
The invention relates to the field of wet type dust removal fans, in particular to a vortex mixing wheel shaft dehydration type dust removal fan.
Background
In the field of wet dust removal fans, the main technical difficulties are in the aspects of fully mixing water mist and dust and efficiently dedusting and dehydrating, particularly in the aspects of dedusting and dehydrating, and the existing technology generally adopts a filter net cage for dedusting and dehydrating, centrifugal dedusting and dehydrating and the like. The filtering net cage is easy to block, and the cleaning and maintenance amount is large; the centrifugal dust removal dehydration has the problems of low dust removal dehydration efficiency, overlarge vapor at an exhaust outlet and the like no matter the centrifugal dust removal dehydration is realized by additionally arranging an impeller at the center of a dehydration cylinder to generate centrifugal force and rotate or the centrifugal force which completely depends on the rotation of air flow is thrown to the cylinder wall for dust removal dehydration.
Disclosure of Invention
The invention aims to solve the problems of the background art and provides a vortex mixing wheel shaft dehydration type dust removal fan which realizes vortex mixing, wheel shaft dehydration and dust removal treatment and ensures the dust removal and dehydration effects.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a vortex mixes shaft dehydration formula dust exhausting fan, includes the fan barrel, is equipped with vortex mixing arrangement, fan and shaft dewatering device in proper order by air intake to air outlet on this fan barrel, and vortex mixing arrangement includes spraying mechanism and vortex mixer, shaft dewatering device includes dehydration chamber tube-shape casing, cyclone generator, multiunit guide plate, dehydration shaft and collection dirt groove, and cyclone generator fixes the air inlet face at dehydration chamber tube-shape casing, the dirt groove that collects is installed at dehydration chamber tube-shape casing lower extreme opening part, and the dehydration shaft is installed in the department of meeting of collection dirt groove and dehydration chamber tube-shape casing, and multiunit guide plate is installed in the side of moving downwards of rotatory air current along dehydration chamber tube-shape casing axial, and the relative dehydration chamber tube-shape casing inner wall of guide plate is the slope setting, has the whirl clearance with between the dehydration chamber tube-shape casing inner wall.
Preferably, the vortex mixer comprises a shell and a plurality of corrugated plates which are arranged in the shell in parallel and vertically along the radial direction, and airflow wave-shaped channels are formed between the corrugated plates.
Preferably, the corrugated plate is S-shaped or reverse S-shaped.
Preferably, the bottom of the shell is provided with a muddy water collecting tank communicated with the shell.
Preferably, an access door is arranged on the side surface of the shell.
Preferably, the cyclone generator comprises a central shaft and a plurality of cyclone blades circumferentially distributed on the central shaft, the plurality of cyclone blades are mutually parallel, staggered and overlapped, and the radial tangent plane of the cyclone blades relative to the central shaft is obliquely arranged.
Preferably, the guide plates are arc-shaped long strips, and a plurality of guide plates are mutually staggered and overlapped.
Preferably, the upper opening of the rotational flow gap is large, the lower opening of the rotational flow gap is small, and the lower opening of the guide plate close to the dewatering wheel shaft is opposite to the dewatering wheel shaft impeller.
Preferably, the dewatering wheel axle comprises a shaft rod and a plurality of dewatering wheel blades arranged on the shaft rod, two ends of the shaft rod are fixed in the sewage collecting tank through bearing seats, and an outlet angle of each dewatering wheel blade is opposite to the rotational flow gap.
Preferably, the sewage collecting groove is a U-shaped groove, and two ends of the sewage collecting groove are provided with sewage outlets.
Compared with the prior art, the vortex mixing wheel shaft dehydration type dust removal fan disclosed by the invention has the following beneficial effects:
the back end of the spraying device is provided with a vortex mixer, and when the airflow primarily mixed by water mist and dust passes through the corrugated channel, the corrugated plate is utilized to generate continuous vortex-shaped airflow on the side of the curve of the corrugated plate, so that the water mist, the air and the dust are repeatedly wound and impacted, and the full mixing is realized;
the cyclone generator enables the mixed airflow flowing axially to flow radially along the cyclone blades, and the cyclone impeller is obliquely arranged, so that the dust-containing water mist mixed airflow is blown to the inner wall of the cylindrical shell at a certain angle after the direction of the dust-containing water mist mixed airflow is changed by the cyclone blades and spirally rotates along the inner wall at a high speed to advance, and heavier muddy water in the airflow is positioned outside the airflow and spirally advances along the circular inner wall of the dewatering chamber under the action of centrifugation;
the guide plate that sets up on the drum shells inner wall radially keeps apart the air current of heliciform, when will heavier muddy water spiral motion to the guide plate, gets into the whirl clearance between guide plate and the shells inner wall to blow to the epaxial wheel leaf of dehydration wheel at a high speed, promote the high-speed rotation of dehydration wheel axle, under the effect of centrifugal force, get rid of muddy water to the dirt collecting tank in, thereby realize the high-efficient dehydration that takes off dirt.
Drawings
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a view showing an arrangement structure of corrugated plates according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of the wheel axle dehydration engine in an embodiment of the present invention;
fig. 4 is a structural view of a cyclone generator according to an embodiment of the present invention.
In the figure: 1-a fan barrel, 2-a vortex mixing device, 3-a fan, 4-a wheel shaft dehydration device, 21-a vortex mixer, 22-a spraying mechanism, 23-a multi-water spray pipe, 24-a water spray nozzle, 25-a shell, 26-a corrugated plate, 27-a mud-water collecting tank, 28-an access door, 31-a motor, 32-an impeller, 41-a dehydration chamber cylindrical shell, 42-a cyclone generator, 43-a plurality of groups of guide plates, 44-a dirt collecting tank, 45-a dehydration wheel shaft, 411-an air outlet, 421-a central shaft, 422-a cyclone blade, 431-a cyclone gap, 441-a sewage outlet, 451-a shaft lever and 452-a dehydration impeller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, the present invention provides a technical solution: the utility model provides a vortex mixes shaft dehydration formula dust exhausting fan, includes fan barrel 1, is equipped with vortex mixing arrangement 2, fan 3 and 4 in proper order by air intake to air outlet on this fan barrel, and wherein vortex mixing arrangement is located the fan air inlet face, mixes inspiratory dust and water smoke in advance and forms the air current that mixes, and shaft dewatering device is located fan air outlet face, changes the direction of the air current that will inhale and forms the spiral air current, cooperates the dehydration shaft simultaneously and gets rid of muddy water, reaches high-efficient dust removal purpose.
Specifically, the vortex mixing device comprises a vortex mixer 21 and a spraying mechanism 22, the spraying mechanism is arranged in a fan barrel and is positioned at the front end of the vortex mixer, the spraying mechanism comprises a water mist rotating pipe 23 and a plurality of water mist spray heads 24 arranged on the water mist rotating pipe, the purpose of the spraying water mist is to spray out the water mist to the fan barrel to be primarily mixed with sucked dust, the vortex mixer comprises a shell 25 and a plurality of corrugated plates 26 which are arranged in the shell and are parallel to each other and vertically arranged along the radial direction, the corrugated plates are preferably S-shaped or reverse S-shaped, and are continuously S-shaped or reverse S-shaped, an airflow waveform channel is formed between two adjacent corrugated plates, when the airflow primarily mixed at the front end passes through the waveform channel between the S-shaped corrugated plates, continuous vortex-shaped airflow is generated at the side of a bend of the S-shaped corrugated plates, so that the water mist, the air, achieving sufficient mixing. Simultaneously, the dirty air current after mixing with the water smoke is owing to striking, friction when passing through the wave form passageway, and the dirty water grain of great granule can be because of the dead weight increases and along wave form plate face landing downwards, so can set up the collection that carries out muddy water rather than the muddy water collecting vat 27 that communicates bottom the casing. .
In addition, access doors 28 may be provided on both sides of the vortex mixer housing to facilitate later cleaning and maintenance.
The main function of the fan is to create a negative pressure suction force, which is mounted inside the fan casing and comprises a motor 31 and an impeller 32 mounted on the motor shaft.
The wheel shaft dehydration device comprises a dehydration chamber cylindrical shell 41, a cyclone generator 42, a plurality of groups of guide plates 43, a dirt collecting groove 44 and a dehydration wheel shaft 45, wherein an air inlet is formed in one end face of the dehydration chamber cylindrical shell, the air inlet at the end is communicated with a fan, an air outlet 411 is formed in the other end face of the dehydration chamber cylindrical shell, the cyclone generator comprises a central shaft 421 and a plurality of cyclone blades 422 which are circumferentially distributed on the central shaft, the plurality of cyclone blades are mutually parallel, staggered and overlapped, the cyclone blades are obliquely arranged relative to the radial section of the central shaft, a certain gap is reserved between every two adjacent cyclone blades to form an air passing channel, the cyclone generator is fixed at the position of the air inlet of the dehydration chamber cylindrical shell through a support, the center of the central shaft is positioned on the central axis of the dehydration chamber cylindrical shell, dust-containing water mist air flow is blown to the inner wall of the cylindrical shell at a certain angle after the direction is changed by the cyclone blades and spirally and rotates And (4) advancing, wherein the heavier muddy water in the airflow is positioned at the outer side of the airflow and spirally advances along the circular inner wall under the action of centrifugal force.
The guide plate is arc-shaped long slat, and is installed in the side of going downwards of rotatory distinguished and admirable along dehydration chamber tube-shape casing axial, and the relative dehydration chamber tube-shape casing inner wall of guide plate is the slope setting, and has whirl clearance 431 between the dehydration chamber tube-shape casing inner wall, and the upper shed in this whirl clearance is big, and the under shed is little, and the mutual staggered arrangement of overlapping between a plurality of guide plates, the under shed in last whirl clearance is located the upper shed in next whirl clearance.
The sewage collecting groove is arranged at the lower end opening of the cylindrical shell of the dewatering chamber, is a U-shaped groove, and is provided with drain outlets 441 at two ends, so that the inside muddy water can be conveniently discharged.
The dehydration wheel shaft is arranged at the joint of the sewage collecting tank and the cylindrical shell of the dehydration chamber, the dehydration wheel shaft comprises a shaft rod 451 and a plurality of dehydration wheel blades 452 arranged on the shaft rod, the two ends of the shaft rod are fixed on the two end walls of the sewage collecting tank through bearing seats, and the lower opening of the guide plate close to the dehydration wheel shaft is just opposite to the outlet angle of the dehydration wheel shaft, so that the rotational muddy water rushes into the dehydration impeller at high speed, the dehydration impeller is driven to rotate to generate centrifugal force, and the muddy water is thrown into the sewage collecting tank.
In shaft dewatering device, the cyclone generator is the immovable structure, it mainly changes the direction of mixing the air current through the whirlwind blade that the slope set up, form the spiral air current at the drum inner wall, a plurality of guide plates that lie in the air current downstream side mainly carry out the layering with the spiral air current and cut off, the air that the water content is less is located whole air current center, the air outlet discharge can be followed to the later stage, and the great air current of moisture (also be muddy water) is peripheral at whole air current, can ensure its accurate entering dehydration impeller through the whirl clearance between the guide plate, thereby throw into the dirt collecting tank, dehydration impeller adopts lighter material, as long as there is outside impact force can make its high-speed rotation, produce centrifugal force, so need not extra drive power.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, those skilled in the art will appreciate that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (10)
1. The utility model provides a vortex mixes shaft dehydration formula dust exhausting fan, includes the fan barrel, its characterized in that: the vortex mixing device, the fan and the wheel shaft dehydration device are sequentially arranged on the fan barrel from the air inlet to the air outlet, the vortex mixing device comprises a spraying mechanism and a vortex mixer, the wheel shaft dehydration device comprises a dehydration chamber cylindrical shell, a cyclone generator, a plurality of groups of guide plates, a dirt collecting tank and a dehydration wheel shaft, the cyclone generator is fixed on an air inlet surface of the dehydration chamber cylindrical shell, the dirt collecting tank is arranged at the lower end opening of the dehydration chamber cylindrical shell, the dehydration wheel shaft is arranged at the joint of the dirt collecting tank and the dehydration chamber cylindrical shell, the plurality of groups of guide plates are axially arranged at the downstream side of the rotation air flow along the dehydration chamber cylindrical shell, the guide plates are obliquely arranged relative to the inner wall of the dehydration chamber cylindrical shell, and a vortex gap is formed between the guide plates and the.
2. The vortex mixing wheel shaft dewatering type dust removing fan as claimed in claim 1, wherein: the vortex mixer comprises a shell and a plurality of corrugated plates which are positioned in the shell, are parallel to each other and are vertically arranged along the radial direction, and airflow waveform channels are formed among the corrugated plates.
3. The vortex mixing wheel shaft dewatering type dust removing fan as claimed in claim 2, wherein: the corrugated plate is S-shaped or reverse S-shaped.
4. The vortex mixing wheel shaft dewatering type dust removing fan as claimed in claim 2, wherein: and the bottom of the shell is provided with a muddy water collecting tank communicated with the shell.
5. The vortex mixing wheel shaft dewatering type dust removing fan as claimed in claim 2, wherein: and an access door is arranged on the side surface of the shell.
6. The vortex mixing wheel shaft dewatering type dust removing fan as claimed in claim 1, wherein: the cyclone generator comprises a central shaft and a plurality of cyclone blades circumferentially distributed on the central shaft, the plurality of cyclone blades are mutually parallel and staggered and overlapped, and meanwhile, the radial tangent plane of each cyclone blade relative to the central shaft is obliquely arranged.
7. The vortex mixing wheel shaft dewatering type dust removing fan as claimed in claim 1, wherein: the guide plates are arc-shaped long strips, and the guide plates are mutually staggered, overlapped and arranged.
8. The vortex mixing wheel shaft dewatering type dust removing fan as claimed in claim 7, wherein: the upper opening of the rotational flow gap is large, the lower opening of the rotational flow gap is small, and the lower opening of the guide plate close to the dehydration wheel shaft is opposite to the dehydration wheel shaft.
9. The vortex mixing wheel shaft dewatering type dust removing fan as claimed in claim 1, wherein: the dehydration wheel shaft comprises a shaft rod and a dehydration impeller arranged on the shaft rod, the two ends of the shaft rod are fixed at the upper opening of the sewage collecting tank through bearing seats, and the outlet angle of the dehydration impeller is over against the rotational flow gap.
10. The vortex mixing wheel shaft dewatering type dust removing fan as claimed in claim 1, wherein: the sewage collecting groove is a U-shaped groove, and two ends of the sewage collecting groove are provided with sewage outlets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110216295.6A CN112855583A (en) | 2021-02-26 | 2021-02-26 | Vortex mixing wheel axle dewatering type dust removing fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110216295.6A CN112855583A (en) | 2021-02-26 | 2021-02-26 | Vortex mixing wheel axle dewatering type dust removing fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112855583A true CN112855583A (en) | 2021-05-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110216295.6A Pending CN112855583A (en) | 2021-02-26 | 2021-02-26 | Vortex mixing wheel axle dewatering type dust removing fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112855583A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU7026896A (en) * | 1995-10-18 | 1997-04-24 | Ecozone Pty Ltd | Centrifugal extractor with multiple outlet configurations |
| CN2539561Y (en) * | 2002-01-06 | 2003-03-12 | 林柏银 | Horizontal spiral-flow dewatering fog remover |
| CN201182966Y (en) * | 2008-04-24 | 2009-01-21 | 郭峰 | Wet-type dust-removal fan |
| CN101590353A (en) * | 2009-06-23 | 2009-12-02 | 郭峰 | Spray centrifugal dust-removing fan |
| CN104474819A (en) * | 2014-11-12 | 2015-04-01 | 山东科技大学 | Wet-type dust-capturing wind current cooling device |
| CN104533835A (en) * | 2014-12-26 | 2015-04-22 | 四川宏华电气有限责任公司 | Novel sand and water removal centrifugal fan |
| CN204447556U (en) * | 2015-01-08 | 2015-07-08 | 李先保 | With the dedusting fan of multiple impacts formula gas-liquid separation |
-
2021
- 2021-02-26 CN CN202110216295.6A patent/CN112855583A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU7026896A (en) * | 1995-10-18 | 1997-04-24 | Ecozone Pty Ltd | Centrifugal extractor with multiple outlet configurations |
| CN2539561Y (en) * | 2002-01-06 | 2003-03-12 | 林柏银 | Horizontal spiral-flow dewatering fog remover |
| CN201182966Y (en) * | 2008-04-24 | 2009-01-21 | 郭峰 | Wet-type dust-removal fan |
| CN101590353A (en) * | 2009-06-23 | 2009-12-02 | 郭峰 | Spray centrifugal dust-removing fan |
| CN104474819A (en) * | 2014-11-12 | 2015-04-01 | 山东科技大学 | Wet-type dust-capturing wind current cooling device |
| CN104533835A (en) * | 2014-12-26 | 2015-04-22 | 四川宏华电气有限责任公司 | Novel sand and water removal centrifugal fan |
| CN204447556U (en) * | 2015-01-08 | 2015-07-08 | 李先保 | With the dedusting fan of multiple impacts formula gas-liquid separation |
Non-Patent Citations (2)
| Title |
|---|
| 姜凤有 等: "《工业除尘设备 设计、制作、安装与管理》", 31 January 2007, 冶金工业出版社 * |
| 李明俊 等: "《环保机械与设备》", 31 March 2005, 中国环境科学出版社 * |
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| PB01 | Publication | ||
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Application publication date: 20210528 |