CN106640730A - Non-oil-sticking fan impeller - Google Patents
Non-oil-sticking fan impeller Download PDFInfo
- Publication number
- CN106640730A CN106640730A CN201611155496.5A CN201611155496A CN106640730A CN 106640730 A CN106640730 A CN 106640730A CN 201611155496 A CN201611155496 A CN 201611155496A CN 106640730 A CN106640730 A CN 106640730A
- Authority
- CN
- China
- Prior art keywords
- fan impeller
- paint
- draught fan
- oily dirt
- shell
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- 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
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/584—No clear coat specified at least some layers being let to dry, at least partially, before applying the next layer
-
- 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
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
-
- 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
-
- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/601—Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2451/00—Type of carrier, type of coating (Multilayers)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2506/00—Halogenated polymers
- B05D2506/10—Fluorinated polymers
- B05D2506/15—Polytetrafluoroethylene [PTFE]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a non-oil-sticking fan impeller. The non-oil-sticking fan impeller comprises an impeller, wherein the impeller is installed on an output shaft of a rotor motor; a motor shell is arranged at the outer side of the rotor motor; the motor shell is installed on a housing through a motor fixing plate; an air inlet is formed in the housing at one side of the rotor motor; an air guide plate is installed on the air inlet; an air outlet is formed in one side of the housing; a junction box is installed on the motor fixing plate at one side of the rotor motor; the rotor motor is connected to mains supply through the junction box; and a nanometre Teflon non-sticking layer is arranged at the outer side of the impeller. The non-oil-sticking fan impeller provided by the invention has non-sticking performance such as non-oil-sticking performance, has the advantages of being resistant to wear, corrosion and high temperature, and high in surface smoothness, hardness and smoothness, is capable of being used for a long time in a temperature range from minus 40 DEG C to 300 DEG C and effectively preventing the surface from sticking, and is convenient to clean, thus the value of the product is greatly increased and the service life of the product is greatly prolonged. The non-oil-sticking fan impeller provided by the invention can be widely applied to axial-flow fans and centrifugal fans.
Description
Technical field
The present invention relates to blower fan technical field, specially a kind of oily dirt free draught fan impeller.
Background technology
Lampblack absorber impeller the is surface-treated total two methods of processing technology in prior art：The first is to leaf
Wheel surface carries out plastic-blasting, its technological process be upper part-ultrasonic degreasing-clear water wash-dry-turn sequence/upper part-electrostatic plastic spraying-
Baking-lower part.The drawbacks of this method is need to turn sequence, secondary baking, long the production cycle, and it is dirty that the course of processing is susceptible to dust
Dye, the protection and environmental requirement to occupation disease is higher, so as to bring the rising of cost to enterprise.Second is to impeller surface
Carry out Teflon baking vanish, its technological process be upper part-ultrasonic degreasing-clear water wash-dry-turn sequence/upper part-spray painting-baking-
Lower part.The drawbacks of this method is need to turn sequence, and secondary baking, long the production cycle, painting process is susceptible to environmental pollution, to duty
The protection and environmental requirement of industry disease is higher, so as to bring the rising of cost to enterprise.
Above-mentioned the first plastic-blasting coating process once rose as the process for treating surface of first generation impeller to the protection of impeller
To certain effect, but with market, the change of environmental requirement and the development of external coating technology, this plastic-blasting coating process
The drawbacks of it is apparent.Although above-mentioned second Teflon baking finish process process for treating surface has at antipollution (oily dirt free) aspect
Have a good effect, however in its processing and making process whether up to standard, occupation disease protection question the input of discharge of waste gas and
The maintenance cost in later stage is high, and the paint of raw material there is a problem of it is inflammable and explosive etc., therefore, drawback is also apparent.
Therefore, how to accomplish to allow the impeller of lampblack absorber both can at work reach the effect of oily dirt free, can reach again
Environmental protection and the requirement of reduction enterprise's production capacity become the emphasis direction of technical research.
The content of the invention
Technical problem solved by the invention is to provide a kind of oily dirt free draught fan impeller, to solve above-mentioned background technology in
Problem.
Technical problem solved by the invention employs the following technical solutions to realize：A kind of oily dirt free draught fan impeller, including：
Impeller, the impeller is arranged on the output shaft of rotor electric machine, and rotor electric machine outside is provided with motor casing, and motor casing is solid by motor
Fixed board is arranged on shell, and the shell of rotor electric machine side is provided with air inlet, and wind deflector, the shell are provided with air inlet
Side is provided with air outlet, and rosette is provided with the motor fixing plate of the rotor electric machine side, and rotor electric machine passes through rosette
Civil power is connected to, the impeller outside is provided with a nanometer teflon non-stick layer.
The rotor electric machine front and rear cover is fixed on the shell of blower fan by screw or screw rod.
Preferably, the motor fixing plate is circular or square or snail-shaped structure, and motor fixing plate outside is provided with fixation
Hole, motor fixing plate is fixed on shell by motor plate installation bolt.
The shell lower end is provided with fixed seat, and shell is arranged in fixed seat by fixing bolt, and fixed seat is L-type knot
Structure.
A kind of preparation method of oily dirt free draught fan impeller, comprises the following steps：
(1) by workpiece oil removing, workpiece is eliminated rust and cleaning treatment through sandblasting, metal meltallizing afterwards；
(2) and then by the workpiece after rust cleaning and cleaning through interior painting line, the real-time automatic dust removing of interior painting line；Workpiece is entered
Primer spray (nanometer Teflon) after row preheating, basecoat paint finishes post-drying, cooling；Then paint (nanometer Teflon), spray in spraying
Finish paint (nanometer Teflon), checks offline after high temperature tunnel furnace sintering, cooling afterwards；
(3) outer painting line is put the workpiece in after, outer paint (nanometer Teflon) is sprayed after preheating, then through high temperature furnace
Check offline after sintering, cooling.
Sandblasting procedures rugosity is 2-3 μm of aluminum of stretching in the step (1), and rustless steel is 3-4 μm, and ferrum zinc phosphating coat is 2-3 μ
m。
Base coat thickness is 15-20 μm in the step (2)；Middle paint thickness is at 10-20 μm；Finish paint thickness is at 18-22 μm.
In the step (3) outside monolayer oiliness high temperature paint sintering temperature be 260C-280 DEG C, the time be 5-20min, thickness
For 15-25 μm.
It is 5-20min for 380C-420 DEG C, time to paint sintering temperature in the step (3) outside monolayer aqueouss, and thickness is 15-
25μm。
In the step (3) double-deck aqueous non-viscous outer paint sintering temperature be 380-420 DEG C, the time be 5-20min, thickness is
20-30μm。
Three layers of aqueous non-viscous outer paint sintering temperature are 427-438 DEG C, time 3-8min in the step (3), and thickness is 30-
45μm。
Compared with disclosed technology, there is advantages below in the present invention：The present invention has the not non-sticky performance such as viscous oil, while tool
Have the advantages that wear resistant corrosion resistant high temperature resistant and surface smoothness are good, hardness is high, high lubrication, can be in 40 degrees below zero to above freezing 300
Life-time service in degree temperature range, can effectively prevent surface to be stained with glutinous, be easy to cleaning, greatly improve the value of product and use the longevity
Life, the composite can be widely applied on axial flow blower, centrifugal blower.
Description of the drawings
Fig. 1 is the front view schematic diagram of the present invention.
Fig. 2 is the right view schematic diagram of the present invention.
Specific embodiment
In order that the technological means of the present invention, creation characteristic, workflow, using method reached purpose and effect are easy to bright
It is white to understand, below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
As shown in Figure 1 and Figure 2, a kind of oily dirt free draught fan impeller, including：Impeller 2, the impeller 2 is arranged on rotor electric machine 1
Output shaft on, the outside of rotor electric machine 1 is provided with motor casing 11, and motor casing 11 is arranged on shell 3 by motor fixing plate 6, is turned
The shell 3 of the side of sub-motor 1 is provided with air inlet 9, and wind deflector 5 is provided with air inlet 9, and the side of the shell 3 is provided with air-out
Mouth 8, is provided with rosette 7 on the motor fixing plate 6 of the side of the rotor electric machine 1, rotor electric machine 1 is connected to by rosette 7
Civil power, the outside of the impeller 2 is provided with a nanometer teflon non-stick layer.
The motor fixing plate 6 is circular configuration, and the outside of motor fixing plate 6 is provided with fixing hole, and motor fixing plate 6 is by electricity
Machine plate installation bolt is fixed on shell 3.
The lower end of the shell 3 is provided with fixed seat 4, and shell 3 is arranged in fixed seat 4 by fixing bolt 10, and fixed seat 4 is
L-type structure.
Embodiment 1
A kind of preparation method of oily dirt free draught fan impeller, comprises the following steps：
(1) by workpiece oil removing, workpiece is eliminated rust and cleaning treatment through sandblasting, metal meltallizing afterwards；
(2) and then by the workpiece after rust cleaning and cleaning through interior painting line, the real-time automatic dust removing of interior painting line；Workpiece is entered
Primer spray (nanometer Teflon) after row preheating, basecoat paint finishes post-drying, cooling；Then paint (nanometer Teflon), spray in spraying
Finish paint (nanometer Teflon), checks offline after high temperature tunnel furnace sintering, cooling afterwards
(3) outer painting line is put the workpiece in after, outer paint (nanometer Teflon) is sprayed after preheating, then through high temperature furnace
Check offline after sintering, cooling.
In the step (3) outside monolayer oiliness high temperature paint sintering temperature be 260C-280 DEG C, the time be 5-20min, thickness
For 15-25 μm.
Embodiment 2
A kind of preparation method of oily dirt free draught fan impeller, comprises the following steps：
(1) by workpiece oil removing, workpiece is eliminated rust and cleaning treatment through sandblasting, metal meltallizing afterwards；
(2) and then by the workpiece after rust cleaning and cleaning through interior painting line, the real-time automatic dust removing of interior painting line；Workpiece is entered
Primer spray (nanometer Teflon) after row preheating, basecoat paint finishes post-drying, cooling；Then paint (nanometer Teflon), spray in spraying
Finish paint (nanometer Teflon), checks offline after high temperature tunnel furnace sintering, cooling afterwards
(3) outer painting line is put the workpiece in after, outer paint (nanometer Teflon) is sprayed after preheating, then through high temperature furnace
Check offline after sintering, cooling.
It is 5-20min for 380C-420 DEG C, time to paint sintering temperature in the step (3) outside monolayer aqueouss, and thickness is 15-
25μm。
Embodiment 3
A kind of preparation method of oily dirt free draught fan impeller, comprises the following steps：
(1) by workpiece oil removing, workpiece is eliminated rust and cleaning treatment through sandblasting, metal meltallizing afterwards；
(2) and then by the workpiece after rust cleaning and cleaning through interior painting line, the real-time automatic dust removing of interior painting line；Workpiece is entered
Primer spray (nanometer Teflon) after row preheating, basecoat paint finishes post-drying, cooling；Then paint (nanometer Teflon), spray in spraying
Finish paint (nanometer Teflon), checks offline after high temperature tunnel furnace sintering, cooling afterwards
(3) outer painting line is put the workpiece in after, outer paint (nanometer Teflon) is sprayed after preheating, then through high temperature furnace
Check offline after sintering, cooling.
In the step (3) double-deck aqueous non-viscous outer paint sintering temperature be 380-420 DEG C, the time be 5-20min, thickness is
20-30μm。
Embodiment 4
A kind of preparation method of oily dirt free draught fan impeller is comprised the following steps：
(1) by workpiece oil removing, workpiece is eliminated rust and cleaning treatment through sandblasting, metal meltallizing afterwards；
(2) and then by the workpiece after rust cleaning and cleaning through interior painting line, the real-time automatic dust removing of interior painting line；Workpiece is entered
Primer spray (nanometer Teflon) after row preheating, basecoat paint finishes post-drying, cooling；Then paint (nanometer Teflon), spray in spraying
Finish paint (nanometer Teflon), checks offline after high temperature tunnel furnace sintering, cooling afterwards
(3) outer painting line is put the workpiece in after, outer paint (nanometer Teflon) is sprayed after preheating, then through high temperature furnace
Check offline after sintering, cooling.
Three layers of aqueous non-viscous outer paint sintering temperature are 427-438 DEG C, time 3-8min in the step (3), and thickness is 30-
45μm。
Embodiment 5
A kind of cold spray Preparation Method of oily dirt free draught fan impeller, comprises the following steps：
Step (1) by workpiece oil removing, is eliminated rust and cleaning treatment afterwards first through sandblasting, metal meltallizing to workpiece.
Then at normal temperatures, sandblasting procedures rugosity is 2-3 μm of aluminum of stretching in step (1), and rustless steel is 3-4 μm, ferrum zinc phosphorus
It is 2-3 μm to change film.
Step (2) elder generation's primer spray (nanometer Teflon), base coat thickness is 15-20 μm；After waiting half an hour at normal temperatures, bottom
Paint is completely dried, then topcoating (nanometer Teflon), and finish paint thickness is at 18-22 μm.
Ultimate principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and description this
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement is both fallen within scope of the claimed invention.The claimed scope of the present invention by appending claims and
Its equivalent thereof.
Claims (10)
1. a kind of oily dirt free draught fan impeller, including：Impeller, it is characterised in that：The impeller is arranged on the output shaft of rotor electric machine
On, rotor electric machine outside is provided with motor casing, and motor casing is arranged on shell by motor fixing plate, the shell of rotor electric machine side
Air inlet is provided with, wind deflector is installed on air inlet, the shell side is provided with air outlet, the electricity of the rotor electric machine side
Rosette is installed, rotor electric machine is connected to civil power by rosette, and the impeller outside is provided with a nanometer Teflon in machine fixed plate
Imperial antistick layer.
2. a kind of oily dirt free draught fan impeller according to claim 1, it is characterised in that：The rotor electric machine front and rear cover leads to
Cross screw or screw rod is fixed on the shell of blower fan.
3. a kind of oily dirt free draught fan impeller according to claim 1, it is characterised in that：The motor fixing plate for circular or
Square or snail-shaped structure, motor fixing plate outside is provided with fixing hole, and motor fixing plate installs solid by motor plate installation bolt
It is scheduled on shell.
4. a kind of oily dirt free draught fan impeller according to claim 1, it is characterised in that：The shell lower end is provided with fixation
Seat, shell is arranged in fixed seat by fixing bolt, and fixed seat is L-type structure.
5. a kind of preparation method of oily dirt free draught fan impeller, it is characterised in that：Comprise the following steps：
(1) by workpiece oil removing, workpiece is eliminated rust and cleaning treatment through sandblasting, metal meltallizing afterwards；
(2) and then by the workpiece after rust cleaning and cleaning through interior painting line, the real-time automatic dust removing of interior painting line；Workpiece is carried out pre-
Primer spray (nanometer Teflon) after heat, basecoat paint finishes post-drying, cooling；Then paint (nanometer Teflon), topcoating in spraying
(nanometer Teflon), checks offline after high temperature tunnel furnace sintering, cooling afterwards；
(3) outer painting line is put the workpiece in after, outer paint (nanometer Teflon) is sprayed after preheating, then burnt through high temperature furnace
Check offline after knot, cooling.
6. the preparation method of a kind of oily dirt free draught fan impeller according to claim 5, it is characterised in that：The step (1)
Middle sandblasting procedures rugosity is 2-3 μm of aluminum of stretching, and rustless steel is 3-4 μm, and ferrum zinc phosphating coat is 2-3 μm；Priming paint in the step (2)
Thickness is 15-20 μm；Middle paint thickness is at 10-20 μm；Finish paint thickness is at 18-22 μm.
7. the preparation method of a kind of oily dirt free draught fan impeller according to claim 5, it is characterised in that：The step (3)
It is 5-20min that sintering temperature is painted outside middle monolayer oiliness high temperature for 260C-280 DEG C, time, and thickness is 15-25 μm.
8. the preparation method of a kind of oily dirt free draught fan impeller according to claim 5, it is characterised in that：The step (3)
It is 5-20min that sintering temperature is painted outside middle monolayer aqueouss for 380C-420 DEG C, time, and thickness is 15-25 μm.
9. the preparation method of a kind of oily dirt free draught fan impeller according to claim 5, it is characterised in that：The step (3)
The aqueous non-viscous outer paint sintering temperature of middle bilayer is 380-420 DEG C, the time is 5-20min, and thickness is 20-30 μm.
10. the preparation method of a kind of oily dirt free draught fan impeller according to claim 5, it is characterised in that：The step (3)
In three layers it is aqueous non-viscous it is outer paint sintering temperatures be 427-438 DEG C, time 3-8min, thickness be 30-45 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611155496.5A CN106640730A (en) | 2016-12-14 | 2016-12-14 | Non-oil-sticking fan impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611155496.5A CN106640730A (en) | 2016-12-14 | 2016-12-14 | Non-oil-sticking fan impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106640730A true CN106640730A (en) | 2017-05-10 |
Family
ID=58822060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611155496.5A Pending CN106640730A (en) | 2016-12-14 | 2016-12-14 | Non-oil-sticking fan impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106640730A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111530720A (en) * | 2020-04-26 | 2020-08-14 | 马鞍山钢铁股份有限公司 | Technology for processing return fan impeller of chain grate machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5846645A (en) * | 1995-03-03 | 1998-12-08 | Asahi Glass Company Ltd. | Fluorocarbon resin-coated product |
| WO2004098795A1 (en) * | 2003-05-09 | 2004-11-18 | Degussa Ag | Corrosion protection on metals |
| CN201463055U (en) * | 2009-07-20 | 2010-05-12 | 杭州老板电器股份有限公司 | Environment-friendly, energy-saving oil-repelling range hood free of disassembly for washing |
| CN105476490A (en) * | 2015-11-18 | 2016-04-13 | 浙江春洲铝业有限公司 | Cookware with high wear resistance and manufacturing method of cookware |
| CN105673566A (en) * | 2016-01-13 | 2016-06-15 | 山东昌邑廒里盐化有限公司 | Novel draught fan |
| CN206290470U (en) * | 2016-12-14 | 2017-06-30 | 林锋 | A kind of oily dirt free draught fan impeller |
-
2016
- 2016-12-14 CN CN201611155496.5A patent/CN106640730A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5846645A (en) * | 1995-03-03 | 1998-12-08 | Asahi Glass Company Ltd. | Fluorocarbon resin-coated product |
| WO2004098795A1 (en) * | 2003-05-09 | 2004-11-18 | Degussa Ag | Corrosion protection on metals |
| CN201463055U (en) * | 2009-07-20 | 2010-05-12 | 杭州老板电器股份有限公司 | Environment-friendly, energy-saving oil-repelling range hood free of disassembly for washing |
| CN105476490A (en) * | 2015-11-18 | 2016-04-13 | 浙江春洲铝业有限公司 | Cookware with high wear resistance and manufacturing method of cookware |
| CN105673566A (en) * | 2016-01-13 | 2016-06-15 | 山东昌邑廒里盐化有限公司 | Novel draught fan |
| CN206290470U (en) * | 2016-12-14 | 2017-06-30 | 林锋 | A kind of oily dirt free draught fan impeller |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111530720A (en) * | 2020-04-26 | 2020-08-14 | 马鞍山钢铁股份有限公司 | Technology for processing return fan impeller of chain grate machine |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170510 |