CN110578698A - Negative pressure sealing device for fan - Google Patents
Negative pressure sealing device for fan Download PDFInfo
- Publication number
- CN110578698A CN110578698A CN201910991305.6A CN201910991305A CN110578698A CN 110578698 A CN110578698 A CN 110578698A CN 201910991305 A CN201910991305 A CN 201910991305A CN 110578698 A CN110578698 A CN 110578698A
- Authority
- CN
- China
- Prior art keywords
- fan
- fan shell
- sealing device
- sealing
- bearing
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 38
- 241000886569 Cyprogenia stegaria Species 0.000 claims abstract description 27
- 229920000742 Cotton Polymers 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 238000007747 plating Methods 0.000 claims 1
- 239000004540 pour-on Substances 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 11
- 238000007906 compression Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 description 21
- 239000010410 layer Substances 0.000 description 17
- 239000007789 gas Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 210000004907 gland Anatomy 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000003973 paint Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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
- 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
-
- 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
-
- 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
- F04D29/08—Sealings
- F04D29/083—Sealings especially adapted for elastic fluid pumps
-
- 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
- F04D29/403—Casings; Connections of working fluid especially adapted for elastic fluid pumps
-
- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/5853—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps heat insulation or conduction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a fan negative pressure sealing device which comprises a fan shell, wherein the right side of the fan shell is provided with an inlet in a horn-shaped structure, the left side of the fan shell is connected with a bearing, the bearing is connected with a motor through a belt, the motor is fixed through a fixing frame, a sealing device is arranged between the bearing and the fan shell and is fixed through a sealing element, the bottom of the fan shell is provided with an air outlet, the sealing device comprises a sealing box, the top of the sealing box is provided with a sealing pipe, the other end of the sealing pipe extends into a small hole in the top of the fan shell, and the small hole and the periphery of the sealing pipe are. The invention has simple structure and good sealing performance, prevents leakage, shortens suction time, improves working efficiency and precision, improves heat-insulating performance through the heat-insulating layer, prolongs service life, and has good compression resistance, wear resistance, corrosion resistance, moisture resistance and impact resistance effects at the inlet.
Description
Technical Field
The invention particularly relates to a negative pressure sealing device of a fan.
Background
In the waste gas treatment process, the fan device is the last important step, because the existing fan device has the leakage between the bearing and the fan shell to cause environmental pollution in the rotation process, the working precision is reduced, and the abrasion and the impact to the whole structure are easy to occur in the long-term use process, the working efficiency can not be improved, and the service life is also shortened, so the improvement is needed.
Disclosure of Invention
The invention aims to provide a negative pressure sealing device for a fan, which aims to solve the technical problem in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a fan negative pressure sealing device, including the fan shell, fan shell right side is equipped with the import that is loudspeaker column structure, fan shell left side connection bearing, the motor is connected through the belt to the bearing, the motor is fixed through the mount, be equipped with sealing device between bearing and the fan shell, it is fixed through the sealing member, fan shell bottom is equipped with the air exit, sealing device includes the seal box, the seal box top is equipped with the gland packing, the gland packing other end extends to fan shell top aperture in, the aperture is equipped with assorted O type sealing washer with it with the gland packing periphery.
The invention is further improved in that: the seal box comprises a shell, a heat insulation layer is arranged between the shell and the wear-resisting plates, anticorrosive paint is plated on the wear-resisting plates, the heat insulation layer comprises first heat insulation plates, heat insulation cotton is bonded on two sides of each first heat insulation plate, the wear-resisting plates are connected to one sides of the heat insulation cotton, the second heat insulation plates are connected to the other sides of the heat insulation cotton, and the second heat insulation plates are conventionally fixed on the inner wall.
The invention is further improved in that: the import includes the basic unit, has pour the resistance to compression layer on the basic unit, and the last inoxidizing coating that has electroplated of resistance to compression layer, and the basic unit adopts low carbon steel, and the resistance to compression layer adopts nickel complex gold steel, and the resistance to compression layer adopts quartz coating.
Compared with the prior art, the invention has the beneficial effects that:
The sealing box has a simple structure, effectively seals gas to prevent leakage, quickly sucks the gas into the sealing pipe through the self suction of the fan, shortens time, improves working efficiency and precision, effectively ensures the stability and firmness of the shell through the use of the heat insulation layer, improves heat insulation performance, prolongs service life, and has good compression resistance, wear resistance, corrosion resistance, moisture resistance and impact resistance effects and long service life.
Description of the drawings:
FIG. 1: the invention has a structure schematic diagram;
FIG. 2: the sealing device of the invention has a schematic structure;
FIG. 3: the sectional view of the seal box of the invention;
FIG. 4: the inlet of the present invention is a cross-sectional view.
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.
The invention provides a technical scheme that:
The utility model provides a fan negative pressure sealing device, including fan shell 1, 1 right side of fan shell is equipped with the import 2 that is loudspeaker column structure, bearing 4 is connected in 1 left side of fan shell, bearing 4 passes through belt 5 and connects motor 6, motor 6 fixes through mount 7, be equipped with sealing device 8 between bearing 4 and the fan shell 1, it is fixed through the sealing member, 1 bottom of fan shell is equipped with the air exit 9, sealing device 8 includes seal box 81, the seal box 81 top is equipped with sealed tube 82, the sealed tube 82 other end extends to in 1 top aperture 85 of fan shell, aperture 85 and seal tube 82 periphery are equipped with assorted O type sealing washer 86 with it.
The sealing box 81 comprises a shell 87, a heat insulation layer 88 is arranged between the shell 87 and a wear-resisting plate 89, an anticorrosive coating is plated on the wear-resisting plate 89, the heat insulation layer 88 comprises a first heat insulation plate 881, heat insulation cotton 882 is bonded on two sides of the first heat insulation plate 881, one side of the heat insulation cotton 882 is connected with the wear-resisting plate 89, the other side is connected with a second heat insulation plate 883, and the second heat insulation plate 883 is conventionally fixed on the inner wall of the shell 1.
The inlet 2 comprises a base layer 21, a compression-resistant layer 22 is poured on the base layer 21, a protective layer 23 is plated on the compression-resistant layer 22, the base layer 21 is made of low-carbon steel, the compression-resistant layer 22 is made of nickel-complex gold steel, and the compression-resistant layer 23 is made of quartz paint.
the working principle is as follows: under the drive of motor, make the bearing rotate to drive the rotation of fan, fan rotation in-process self produces suction, inhales the fan shell with gas from the import, and gas between bearing and the fan shell seals under the effect of seal box, and in inhaling the sealed tube with it through the self suction of fan, transports to the import under the effect of fan suction once more.
In the embodiment, the sealing box is simple in structure, gas is effectively sealed through the sealing box to prevent leakage, the gas is quickly sucked into the sealing pipe through the suction force of the fan, the time is shortened, the working efficiency and the working precision are improved, the stability and the firmness of the shell are effectively ensured through the use of the heat insulation layer, the heat insulation performance is improved, the service life is prolonged, and the inlet formed by the multilayer structure has good compression resistance, wear resistance, corrosion resistance, moisture resistance and impact resistance effects and long service life.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a fan negative pressure sealing device, includes fan shell (1), its characterized in that: fan shell (1) right side is equipped with import (2) that are loudspeaker column structure, fan shell (1) left side connection bearing (4), motor (6) is connected through belt (5) in bearing (4), motor (6) are fixed through mount (7), be equipped with sealing device (8) between bearing (4) and fan shell (1), it is fixed through the sealing member, fan shell (1) bottom is equipped with air exit (9), sealing device (8) are including seal box (81), seal box (81) top is equipped with sealed tube (82), sealed tube (82) other end extends to in fan shell (1) top aperture (85), aperture (85) and sealed tube (82) periphery are equipped with assorted O type sealing washer (86) with it.
2. the negative pressure sealing device for the fan as claimed in claim 1, wherein: seal box (81) include casing (87), be equipped with between casing (87) and antifriction plate (89) insulating layer (88), the anticorrosive coating of plating on antifriction plate (89), insulating layer (88) are including first heat insulating board (881), it has thermal-insulated cotton (882) to bond in first heat insulating board (881) both sides, antifriction plate (89) are connected to thermal-insulated cotton (882) one side, and second heat insulating board (883) are connected to the opposite side, second heat insulating board (883) conventional fixation is on casing (1) inner wall.
3. The negative pressure sealing device for the fan as claimed in claim 1, wherein: import (2) are including basic unit (21), compressive layer (22) have been pour on basic unit (21), inoxidizing coating (23) have been electroplated on compressive layer (22), low carbon steel is adopted in basic unit (21), compressive layer (22) adopt nickel complex gold steel, compressive layer (23) adopt quartz coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910991305.6A CN110578698A (en) | 2019-10-18 | 2019-10-18 | Negative pressure sealing device for fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910991305.6A CN110578698A (en) | 2019-10-18 | 2019-10-18 | Negative pressure sealing device for fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110578698A true CN110578698A (en) | 2019-12-17 |
Family
ID=68814899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910991305.6A Pending CN110578698A (en) | 2019-10-18 | 2019-10-18 | Negative pressure sealing device for fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110578698A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2660189Y (en) * | 2003-10-26 | 2004-12-01 | 江苏申海集团股份有限公司 | Simmer kernel-class centrifugal fan |
| CN202560625U (en) * | 2012-04-25 | 2012-11-28 | 连云港步升机械有限公司 | Gas fan sealing device |
| CN202604577U (en) * | 2012-06-25 | 2012-12-19 | 刘魁 | Heat-insulation sealing device of soybean milk machine handpiece |
| CN105479858A (en) * | 2015-12-29 | 2016-04-13 | 太仓弘杉环保科技有限公司 | Enhanced thermal-insulation, fireproof and sound-proof composite environment-friendly panel with multi-layer structure |
| CN207178282U (en) * | 2017-08-23 | 2018-04-03 | 中山大洋电机股份有限公司 | It is a kind of to seal heat insulating mattress and its spiral case blower fan of application |
| CN108382038A (en) * | 2018-04-09 | 2018-08-10 | 安吉天则塑业有限公司 | A kind of indeformable self-priming stone plastic clad plate of Anti-temperature difference |
| CN207762540U (en) * | 2017-12-22 | 2018-08-24 | 江苏苏锐制管有限公司 | A kind of novel wear resistant straight weld square tube |
| CN109332492A (en) * | 2018-09-25 | 2019-02-15 | 贵州大学 | A kind of heat insulation type panel beating mold of high intensity |
| CN109340152A (en) * | 2018-10-30 | 2019-02-15 | 江苏贝莱德风机制造有限公司 | A kind of stable type carries embedded hot air circulation blower surely |
| CN209414236U (en) * | 2018-12-18 | 2019-09-20 | 中国联合工程有限公司 | High-temperature blower spindle nose negative pressure leakage-proof structure |
| CN210949194U (en) * | 2019-10-18 | 2020-07-07 | 云汇环保科技南通有限公司 | Negative pressure sealing device for fan |
-
2019
- 2019-10-18 CN CN201910991305.6A patent/CN110578698A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2660189Y (en) * | 2003-10-26 | 2004-12-01 | 江苏申海集团股份有限公司 | Simmer kernel-class centrifugal fan |
| CN202560625U (en) * | 2012-04-25 | 2012-11-28 | 连云港步升机械有限公司 | Gas fan sealing device |
| CN202604577U (en) * | 2012-06-25 | 2012-12-19 | 刘魁 | Heat-insulation sealing device of soybean milk machine handpiece |
| CN105479858A (en) * | 2015-12-29 | 2016-04-13 | 太仓弘杉环保科技有限公司 | Enhanced thermal-insulation, fireproof and sound-proof composite environment-friendly panel with multi-layer structure |
| CN207178282U (en) * | 2017-08-23 | 2018-04-03 | 中山大洋电机股份有限公司 | It is a kind of to seal heat insulating mattress and its spiral case blower fan of application |
| CN207762540U (en) * | 2017-12-22 | 2018-08-24 | 江苏苏锐制管有限公司 | A kind of novel wear resistant straight weld square tube |
| CN108382038A (en) * | 2018-04-09 | 2018-08-10 | 安吉天则塑业有限公司 | A kind of indeformable self-priming stone plastic clad plate of Anti-temperature difference |
| CN109332492A (en) * | 2018-09-25 | 2019-02-15 | 贵州大学 | A kind of heat insulation type panel beating mold of high intensity |
| CN109340152A (en) * | 2018-10-30 | 2019-02-15 | 江苏贝莱德风机制造有限公司 | A kind of stable type carries embedded hot air circulation blower surely |
| CN209414236U (en) * | 2018-12-18 | 2019-09-20 | 中国联合工程有限公司 | High-temperature blower spindle nose negative pressure leakage-proof structure |
| CN210949194U (en) * | 2019-10-18 | 2020-07-07 | 云汇环保科技南通有限公司 | Negative pressure sealing device for fan |
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| Date | Code | Title | Description |
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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 |