CN104533813A - Multi-stage centrifugal blower - Google Patents
Multi-stage centrifugal blower Download PDFInfo
- Publication number
- CN104533813A CN104533813A CN201410853010.XA CN201410853010A CN104533813A CN 104533813 A CN104533813 A CN 104533813A CN 201410853010 A CN201410853010 A CN 201410853010A CN 104533813 A CN104533813 A CN 104533813A
- Authority
- CN
- China
- Prior art keywords
- main shaft
- casing
- centrifugal blower
- lubrication system
- public base
- 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
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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
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/10—Centrifugal pumps for compressing or evacuating
- F04D17/12—Multi-stage pumps
- F04D17/122—Multi-stage pumps the individual rotor discs being, one for each stage, on a common shaft and axially spaced, e.g. conventional centrifugal multi- stage compressors
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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
- F04D29/06—Lubrication
- F04D29/063—Lubrication specially 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
- F04D29/08—Sealings
- F04D29/083—Sealings 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
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 discloses a multi-stage centrifugal blower and belongs to the technical field of blast equipment. The multi-stage centrifugal blower comprises a common base, a gear motor, a main engine and a lubrication system, wherein the gear motor, the main engine and the lubrication system are arranged on the common base. A main shaft of the main engine is connected with the gear motor through a direct-connection type coupling. The main engine comprises an engine shell, the main shaft, bearings and 6-10 impellers arranged on the main shaft. An air inlet is formed in one end of the engine shell, an air outlet is formed in the other end of the engine shell, the two ends of the main shaft are connected with the engine shell through the bearings, sealing oil boxes of the bearings are connected with the lubrication system through pipelines, the engine shell is divided into a plurality of sealing cavities which are each provided with the corresponding impeller, and labyrinth sealing is adopted between the adjacent sealing cavities and the sealing cavities at the two ends and the engine shell.
Description
Technical field
The present invention relates to blast apparatus technical field, particularly a kind of multistage centrifugal blower.
Background technique
Saccharomycete is some unicellular fungi, the unit of not phylogeny classification.Saccharomycete is the microorganism being employed the earliest in history of human civilization.Modern society, saccharomycete is used in industrial production and daily life thereof in a large number, and yeast industry also develops into an important industry.
In the industrial production of yeast, sewage can be produced equally, mud, the environmental protection of yeast industry is a problem being not easy to solve very much always, but is the problem having to solve, and my company's major product is yeast and yeast extract, its sewage sludge produced especially in industry a troubling problem in the processing procedure of sewage, sewage aeration is a critical step, and it can prevent pond inner suspension body from sinking, and strengthens the object that in pond, organic substance contacts with microorganism and dissolved oxygen.Thus in guarantee pond microorganism under the condition having sufficient dissolved oxygen, to oxygenolysis organic in sewage.
At present, the method for aeration is mainly divided into two kinds, mechanical aeration and blast aeration.And blast aeration can adopt multistage centrifugal blower and single-stage centrifugal blower.
Mechanical aeration mainly makes waste water and mud in activated sludge process aeration tank fully mix by machinery (as blade, impeller etc.), and the continuous renewal of mixed solution liquid level is contacted with air, increases the method for the dissolved oxygen in water.Mechanism by means of blade, impeller, sprinkler or turbine device makes the oxygen in air enter liquid.The aerator extensively adopted at present mainly contains surface aeration machine and immersion type turbine aerator two class.In addition, it also can refer to carry out aeration by machinery to water body, air is made to enter in water body, this kind of equipment mainly contains the Mechanical aerator of the supporting special aeration head of aeration blower and connecting tube composition. but this aeration method is simple by the equipment that affects of its design, is only only applicable to for less aeration tank.
Secondly, blast aeration, single-stage centrifugal blower operation relative complex, require below 28 DEG C especially, otherwise lubrication system is easily atomized to cooler-water temperature.Need cooling water > 6t/h, institute's saving power water that is cooled digested.Fear to have a power failure, have a power failure suddenly, top position water tank cannot meet the feed lubrication of blower inertia rotation in 20 minutes, and generation main shaft, bearing shell burn.Single-stage centrifugal blower: noise >=110dB (A), the low frequency noise of noise source mainly overdrive gear, so it must increase sound insulation house, heat dissipation problem is difficult to solve.Single-stage centrifugal blower: thin oil lubricant, Long-Time Service Leakage is universal phenomenon.Adopt sliding bearing, gear up, bearing shell and gear life are 2 years, because rotating speed is high, impeller often need repair balance, otherwise can cause vibration, so frequency of maintenance is higher, makes land used without highi degree of accuracy dynamic balancing machine, must keep in repair the place of origin back and forth, the cost of repairs is expensive, and standby redundancy is more.
Summary of the invention
In order to solve the problem, the invention provides a kind of multistage centrifugal blower, this blower comprises public base, be located at the reducing motor on public base, the lubrication system be located at the main frame on public base and be located on public base, the main shaft of described main frame is connected with reducing motor by direct-connected coupling, described main frame comprises casing, main shaft, bearing and 6-10 the impeller be located on main shaft, one end of described casing is provided with intake grill, the other end of casing is provided with exhaust outlet, the two ends of described main shaft are connected with casing by bearing, the sealing oil box of described bearing is connected with lubrication system by pipeline, described casing is divided into multiple Seal cage, an impeller is provided with in each Seal cage, between adjacent seals chamber, all labyrinth sealing is adopted between the Seal cage at two ends and casing.
Wherein, the lubrication system in the embodiment of the present invention comprises top petrol tank, oil purifier and cooling water tank, and described top petrol tank and cooling water tank are located on public base, and described top petrol tank, oil purifier are connected by pipeline successively with the sealing oil box of bearing.
The beneficial effect of the multistage centrifugal blower that the embodiment of the present invention provides is:
The first, this blower operation is simple; The cooling water of 25kg/h is only needed during operation; Not high to water temperature, water quality requirement; Be not afraid of unexpected power failure.
The second, do not increase any sound arrester, the noise≤84dB (A) of blower own, and be high frequency noise, as long as there is obstacle to get final product flat, so the outer noise free of wind machine room.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the multistage centrifugal blower that the embodiment of the present invention provides;
Fig. 2 is the combination schematic diagram of the main shaft that provides of the embodiment of the present invention and impeller.
In figure: 1 public base, 2 reducing motors, 3 main frames, 4 direct-connected coupling, 5 casings, 6 main shafts, 7 impellers, 8 intake grills, 9 exhaust outlets, 10 bearings, 11 Seal cages, 12 coupling support.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
See Fig. 1 and Fig. 2, the invention provides a kind of multistage centrifugal blower, this blower comprise public base 1, the reducing motor 2 be located on public base 1, the lubrication system (not shown) etc. being located at the main frame 3 on public base 1 and being located on public base 1.Wherein, the main shaft 6 of main frame 3 is connected with reducing motor 2 by direct-connected coupling 4 (supporting 12 by coupling to be located on public base 1).Wherein, main frame 3 6-10 the impeller 7 etc. that comprise casing 5, main shaft 6, bearing 10 and be located on main shaft 6.One end of casing 5 is provided with intake grill 8, and the other end of casing 5 is provided with exhaust outlet 9, and the two ends of main shaft 6 are connected with casing 5 by bearing 10, and the sealing oil box of bearing 10 is connected with lubrication system by pipeline.Wherein, casing 5 is divided into multiple Seal cage 11 (dividing plate specifically can be adopted to split) along the axis of main shaft 6, an impeller 7 is provided with in each Seal cage 11, impeller 7 in Seal cage 11 at different levels is evenly arranged into multistage, be provided with Balance disc at main shaft 6 end, the Seal cage at two ends is communicated with exhaust outlet 9 with intake grill 8 respectively.Wherein, between adjacent seals chamber 11, all labyrinth sealing is adopted between the Seal cage 11 at two ends and casing 5.Wherein, main shaft 6 adopts rigidity axle to design, and whole main frame 2 adopts untouchable dioptric type to seal, and can not wear and tear and generate heat, and sealing is splendid.Preferably, the bearing support of this blower separates with casing 5.
Wherein, the lubrication system in the embodiment of the present invention comprises top petrol tank, oil purifier, cooling water tank etc., and wherein, top petrol tank and cooling water tank are located on public base, and top petrol tank is used for providing lubricant oil, and cooling water tank is used for cooling bearing seat.Top petrol tank, oil purifier are connected by pipeline successively with the sealing oil box of bearing.
The above the specific embodiment of the present invention, does not form limiting the scope of the present invention.Various other that any technical conceive according to the present invention is made change and distortion accordingly, all should be included in the protection domain of the claims in the present invention.
Claims (2)
1. a multistage centrifugal blower, it is characterized in that, comprise public base, be located at the reducing motor on public base, the lubrication system be located at the main frame on public base and be located on public base, the main shaft of described main frame is connected with reducing motor by direct-connected coupling, described main frame comprises casing, main shaft, bearing and 6-10 the impeller be located on main shaft, one end of described casing is provided with intake grill, the other end of casing is provided with exhaust outlet, the two ends of described main shaft are connected with casing by bearing, the sealing oil box of described bearing is connected with lubrication system by pipeline, described casing is divided into multiple Seal cage, an impeller is provided with in each Seal cage, between adjacent seals chamber, all labyrinth sealing is adopted between the Seal cage at two ends and casing.
2. multistage centrifugal blower according to claim 1, it is characterized in that, described lubrication system comprises top petrol tank, oil purifier and cooling water tank, described top petrol tank and cooling water tank are located on public base, and described top petrol tank, oil purifier are connected by pipeline successively with the sealing oil box of bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410853010.XA CN104533813A (en) | 2014-12-31 | 2014-12-31 | Multi-stage centrifugal blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410853010.XA CN104533813A (en) | 2014-12-31 | 2014-12-31 | Multi-stage centrifugal blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104533813A true CN104533813A (en) | 2015-04-22 |
Family
ID=52849401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410853010.XA Pending CN104533813A (en) | 2014-12-31 | 2014-12-31 | Multi-stage centrifugal blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104533813A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116123109A (en) * | 2023-04-04 | 2023-05-16 | 伦登风机科技(天津)有限公司 | Involute blade type high-pressure fan |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4887940A (en) * | 1987-07-23 | 1989-12-19 | Hitachi, Ltd. | Multistage fluid machine |
| CN2206846Y (en) * | 1994-09-13 | 1995-09-06 | 锦西化工机械厂 | Container centrifugal chlorine compressor |
| CN202597134U (en) * | 2012-05-29 | 2012-12-12 | 沈阳鼓风机集团齿轮压缩机有限公司 | Arrangement structure for assembled centrifugal compressor |
| CN202789710U (en) * | 2012-08-14 | 2013-03-13 | 山东省章丘鼓风机股份有限公司 | Multistage centrifugal blower |
| CN202937480U (en) * | 2012-12-07 | 2013-05-15 | 长沙市湘桥风机制造有限公司 | Multistage impeller centrifugal blower |
| CN203685612U (en) * | 2013-10-31 | 2014-07-02 | 武汉格瑞拓机械有限公司 | Non-direct belt drive multi-stage centrifugal blower |
| CN204371725U (en) * | 2014-12-31 | 2015-06-03 | 山东圣琪生物有限公司 | A kind of multistage centrifugal blower |
-
2014
- 2014-12-31 CN CN201410853010.XA patent/CN104533813A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4887940A (en) * | 1987-07-23 | 1989-12-19 | Hitachi, Ltd. | Multistage fluid machine |
| CN2206846Y (en) * | 1994-09-13 | 1995-09-06 | 锦西化工机械厂 | Container centrifugal chlorine compressor |
| CN202597134U (en) * | 2012-05-29 | 2012-12-12 | 沈阳鼓风机集团齿轮压缩机有限公司 | Arrangement structure for assembled centrifugal compressor |
| CN202789710U (en) * | 2012-08-14 | 2013-03-13 | 山东省章丘鼓风机股份有限公司 | Multistage centrifugal blower |
| CN202937480U (en) * | 2012-12-07 | 2013-05-15 | 长沙市湘桥风机制造有限公司 | Multistage impeller centrifugal blower |
| CN203685612U (en) * | 2013-10-31 | 2014-07-02 | 武汉格瑞拓机械有限公司 | Non-direct belt drive multi-stage centrifugal blower |
| CN204371725U (en) * | 2014-12-31 | 2015-06-03 | 山东圣琪生物有限公司 | A kind of multistage centrifugal blower |
Non-Patent Citations (1)
| Title |
|---|
| 《装备制造业节能减排技术手册》编著委员会: "《装备制造业节能减排技术手册（下册）》", 31 August 2013, 机械工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116123109A (en) * | 2023-04-04 | 2023-05-16 | 伦登风机科技(天津)有限公司 | Involute blade type high-pressure fan |
| CN116123109B (en) * | 2023-04-04 | 2023-06-23 | 伦登风机科技(天津)有限公司 | Involute blade type high-pressure fan |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150422 |