CN206111603U - Electronic centrifugal gas compressor of high -speed direct -connected type - Google Patents
Electronic centrifugal gas compressor of high -speed direct -connected type Download PDFInfo
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- CN206111603U CN206111603U CN201621050271.9U CN201621050271U CN206111603U CN 206111603 U CN206111603 U CN 206111603U CN 201621050271 U CN201621050271 U CN 201621050271U CN 206111603 U CN206111603 U CN 206111603U
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Abstract
The utility model discloses an electronic centrifugal gas compressor of high -speed direct -connected type passes fixed be provided with water conservancy diversion nut (12) and centrifugal impeller (11) of gas compressor in the one end of high -speed rotor shaft (27), water conservancy diversion nut (12) set up on impeller (11) top, install in same one side with spiral case (14) the parallel arrangement that gives vent to anger air inlet volute (13), high speed motor (2) are inside to be provided with water circulative cooling passageway (28) all around around the rotor, and outside one side is provided with water inlet (21) and delivery port (22) and at least one discharge opening (23), aspirating hole (24) and high speed motor (2) inner space looks UNICOM, through the vacuum pump inside air of managing to find time for the operation gas purity of gas compressor system inside is higher, prevents the gaseous contamination, has effectively satisfied operation requirement high compression ratio and large -traffic.
Description
Technical field
This utility model is related to electric gas Compressor Technology field, more particularly to a kind of high speed direct-connected electric centrifugal gas
Gas compressor.
Background technology
Current centrifugal gas compressor in order to reach high compression ratio, due to by variable frequency high-speed motor rotating speed system
About, the general technical scheme using Multi-stage transmission, needs arrange gear shift between variable frequency high-speed motor and gas compressor
Case, and some gas compressed degrees of purity are required with higher industry, the lubricating oil in change speed gear box is during high-speed cruising
Inevitable appearance volatilization causes secondary pollution, and system due to the addition of variable-speed unit to gas to be compressed, and volume greatly, is made an uproar
Sound is big, high energy consumption, and efficiency is general, does not reach energy-efficient, the purpose of environmental protection.
In order to reduce the pollution to compressed gas, compression ratio is improved, energy-efficient effect can adopt pneumatic compression
Unit is connected directly between the technical scheme on variable frequency high-speed motor high speed rotor shafts, and this requires that variable frequency high-speed motor must have
Higher rotating speed, on market, existing variable frequency high-speed motor rotating speed is up to 15000, but cannot meet some high-end fields
Such as CO2 laser instrument, pharmaceutical industry, the requirement of new forms of energy environmental protection industry (epi) application；The high rotating speed of motor is due between rotary part, revolving
The heat produced by friction between rotation member and air, causes the high-speed bearing of variable frequency high-speed motor to generate heat serious, just affects
Normal operational efficiency, if lowering the temperature to not in time motor and high-speed bearing, it is possible to cause the consequence of burn-down of electric motor.
Utility model content
To solve the above problems, the utility model proposes a kind of high speed direct-connected electric centrifugal gas compressor, meets
The compression requirements of high-pure gas.
Realize that above-mentioned purpose the technical solution of the utility model is as follows：
A kind of high speed direct-connected electric centrifugal gas compressor includes gas compressor and high-speed electric expreess locomotive, it is characterised in that：
Described gas compressor includes impeller, flow guiding nut, air inlet volute, outlet spiral case and sealing ring；The high-speed electric expreess locomotive includes
Water inlet, outlet, discharge opening, aspirating hole, closure, adpting flange plate and high speed rotor shafts, water-cooling system, high-speed bearing；
Described gas compressor is connected with high-speed electric expreess locomotive by high speed rotor shafts, and the gas compressor is entered with the connection of high-speed electric expreess locomotive
Closure is additionally provided with around mouthful, sealing ring is set around the closure；Described one end in high speed rotor shafts is fixedly installed
There are flow guiding nut and impeller, the air inlet volute is set in parallel in the same side with outlet spiral case；Surround inside the high-speed electric expreess locomotive
Rotor surrounding is provided with water-cooling system, and outside side is provided with water inlet and outlet and at least one discharge opening, described
Aspirating hole is connected with high-speed electric expreess locomotive inner space.
Preferably, described outlet spiral case is dual pathways outlet.
Preferably, high speed rotor shafts are high speed and precision fluid dynamic bearing.
Preferably, cooling water temperature≤40 DEG C in described flange water-cooling system, water pressure of cooling water≤1.2MPa；Cooling water
Flow >=2L/min.
Preferably, the hot temperature element of the pre-buried Pt100 platinum of the stator winding of described high-speed electric expreess locomotive, totally 3, per phase 1.
Preferably, high-speed electric expreess locomotive (2) is frequency conversion motor.
Preferably, closure (25) is labyrinth seal lid, and sealing ring (15) is O-ring seal.
Preferably, water-cooling system is flange water-cooling system.
The beneficial effects of the utility model are that centrifugal pneumatic compression system is prevented with the direct-connected scheme of variable frequency high-speed motor
The pollution that gearbox designs are brought, by vacuum pump depletion inner air so that the operation gas inside gas compressor system
Purity is higher, prevents gaseous contamination, effectively meets use requirement high compression ratio and big flow.Compact conformation, energy consumption are low, noise
It is little, effectively increase compression ratio, it is simply efficient that the import and export of compressed gas are set in parallel in the same side, by frequency-conversion high-speed electricity
Inside machine, evacuation and cooling water circulation, substantially increase motor speed, up to 26000r/min.
Description of the drawings
Fig. 1 is this utility model structural representation；
Fig. 2 is direct-connected electric motor structure schematic diagram of the present utility model
Fig. 3 is compressor blower fan shell structure schematic diagram of the present utility model
Fig. 4 is Centrufugal compressor impeller structural representation of the present utility model
In accompanying drawing, 1- gas compressors, 11- impellers, 12- flow guiding nuts, 13- air inlet volutes, 14- outlet spiral cases, 15- are close
Seal, 2- variable frequency high-speed motors, 21- water inlets, 22- outlets, 23- discharge openings, 24- aspirating holes, 25- closures, 26- flanges
Plate, 27- high speed rotor shafts, 28- flange water-cooling systems, 29- high-speed bearings.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only to explain
This utility model, is not used to limit this utility model.
With reference to Fig. 1 and Fig. 2, a kind of high speed direct-connected electric centrifugal gas compressor that this utility model is related to, by true
Empty pump depletion inner air so that the operation gas purity inside gas compressor system is higher, prevents gaseous contamination is effectively full
Foot use requirement high compression ratio and big flow.Described high speed direct-connected electric centrifugal gas compressor, including mixed gas
Compressor 1 and variable frequency high-speed motor 2, mixed gas compressor 1 include impeller 11, flow guiding nut 12, air inlet volute 13, outlet snail
Shell 14 and O-ring seal 15；The variable frequency high-speed motor 2 includes water inlet 21, outlet 22, discharge opening 23, aspirating hole 24, comb
Tooth closure 25, adpting flange plate 26 and high speed rotor shafts 27, flange cooling water-cooling system 28, SKF high-speed bearings 29；Described
Mixed gas compressor 1 passes through high speed rotor shafts 27 and is pressed on adpting flange plate 26 to be connected with variable frequency high-speed motor 2, described
Gas compressor 1 is additionally provided with labyrinth seal lid 25 with the connection inlet ambient of variable frequency high-speed motor 2, and O-ring seal 15 is described
25 surrounding of labyrinth seal lid arranges O-ring seal 15；Described one end in high speed rotor shafts 27 is fixed through gas compressor and is set
Flow guiding nut 12 and impeller 11 are equipped with, described flow guiding nut 12 is arranged on 11 top of impeller, the air inlet volute 13 and outlet
Spiral case 14 is set in parallel in the same side；Rotor surrounding is provided with flange water-cooling system 28 inside the variable frequency high-speed motor 2,
Outside side is provided with water inlet 21 and outlet 22 and at least one discharge opening 23, described aspirating hole 24 and frequency-conversion high-speed
2 inner space of motor is connected.
Referring to Fig. 4, centrifugal impeller 11 is designed using three-dimensional flow twayblade, and aluminum alloy material, energy are big, efficiency high.
Referring to Fig. 3, the blower fan chamber shell in air channel is designed with, outlet spiral case 14 is dual pathways outlet, at a high speed, efficiency high, energy consumption
It is little.
High speed rotor shafts 27 are high speed and precision fluid dynamic bearing.
Frequency Converter Control variable frequency high-speed motor 2, flow, pressure output effectively controllableization.
Cooling water temperature≤40 DEG C in flange water-cooling system 28, water pressure of cooling water≤1.2MPa；Cooling water flow >=2L/
min。
The hot temperature element of the pre-buried Pt100 platinum of stator winding of variable frequency high-speed motor 2, totally 3, per phase 1, monitor in real time is high
The temperature rise of fast bearing, the safe operation of effective control high-speed electric expreess locomotive.From in terms of axle stretch end, motor presses UVW phase sequences to variable frequency high-speed motor 2
During wiring, motor rotates in the direction of the clock.
By centrifugal gas compressor and the setting of the direct-connected scheme of variable frequency high-speed motor, gearbox designs are prevented and have brought
Pollution, improve compression ratio, the import and export of compressed gas are set in parallel in the same side, efficiency up to 95.3%, by becoming
Inside frequency high-speed electric expreess locomotive, evacuation and cooling water circulation, substantially increase motor speed, up to 26000r/min.
Claims (7)
1. a kind of high speed direct-connected electric centrifugal gas compressor, including gas compressor (1) and high-speed electric expreess locomotive (2), its feature
It is：Described gas compressor (1) includes impeller (11), flow guiding nut (12), air inlet volute (13), outlet spiral case (14) and
Sealing ring (15)；The high-speed electric expreess locomotive (2) includes water inlet (21), outlet (22), discharge opening (23), and aspirating hole (24) is close
Capping (25), adpting flange plate (26) and high speed rotor shafts (27), water-cooling system (28), high-speed bearing (29)；Described gas
Compressor (1) is connected with high-speed electric expreess locomotive (2) by high speed rotor shafts (27), the gas compressor (1) and high-speed electric expreess locomotive (2)
Connection inlet ambient is additionally provided with closure (25), and sealing ring (15) is arranged around the closure (25)；It is described to turn in high speed
One end of sub- axle (27) is fixedly installed flow guiding nut (12) and impeller (11), the air inlet volute (13) and outlet spiral case (14)
It is set in parallel in the same side；The high-speed electric expreess locomotive (2) is internal to be provided with water-cooling system (28), outside side around rotor surrounding
It is provided with water inlet (21) and outlet (22) and at least one discharge opening (23), described aspirating hole (24) and high-speed electric expreess locomotive
(2) inner space is connected.
2. high speed direct-connected electric centrifugal gas compressor according to claim 1, it is characterised in that：Described outlet snail
Shell (14) is dual pathways outlet.
3. high speed direct-connected electric centrifugal gas compressor according to claim 1, it is characterised in that：Described high speed turns
Sub- axle (27) is high speed and precision fluid dynamic bearing.
4. high speed direct-connected electric centrifugal gas compressor according to claim 1, it is characterised in that：Described water-cooled system
System (28) is flange water-cooling system, cooling water temperature≤40 DEG C in described flange water-cooling system, water pressure of cooling water≤1.2MPa；
Cooling water flow >=2L/min.
5. high speed direct-connected electric centrifugal gas compressor according to claim 1, it is characterised in that：Described high speed electricity
The hot temperature element of the pre-buried Pt100 platinum of stator winding of machine (2), totally 3, per phase 1.
6. high speed direct-connected electric centrifugal gas compressor according to claim 1, it is characterised in that：Described high speed electricity
Machine (2) is frequency conversion motor.
7. high speed direct-connected electric centrifugal gas compressor according to claim 1, it is characterised in that：Described closure
(25) it is labyrinth seal lid, described sealing ring (15) is O-ring seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621050271.9U CN206111603U (en) | 2016-09-12 | 2016-09-12 | Electronic centrifugal gas compressor of high -speed direct -connected type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621050271.9U CN206111603U (en) | 2016-09-12 | 2016-09-12 | Electronic centrifugal gas compressor of high -speed direct -connected type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206111603U true CN206111603U (en) | 2017-04-19 |
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ID=58519612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621050271.9U Active CN206111603U (en) | 2016-09-12 | 2016-09-12 | Electronic centrifugal gas compressor of high -speed direct -connected type |
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| CN (1) | CN206111603U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397605A (en) * | 2019-07-09 | 2019-11-01 | 中国航发哈尔滨东安发动机有限公司 | A kind of high-speed direct-drive centrifugation vapour compression machine device |
| CN112177950A (en) * | 2020-08-27 | 2021-01-05 | 蚌埠翔云压缩机制造有限公司 | Circulating centrifugal gas compressor |
| CN114370409A (en) * | 2021-07-02 | 2022-04-19 | 鑫磊压缩机股份有限公司 | Direct-connected air compressor |
-
2016
- 2016-09-12 CN CN201621050271.9U patent/CN206111603U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397605A (en) * | 2019-07-09 | 2019-11-01 | 中国航发哈尔滨东安发动机有限公司 | A kind of high-speed direct-drive centrifugation vapour compression machine device |
| CN112177950A (en) * | 2020-08-27 | 2021-01-05 | 蚌埠翔云压缩机制造有限公司 | Circulating centrifugal gas compressor |
| CN112177950B (en) * | 2020-08-27 | 2021-12-10 | 蚌埠翔云压缩机制造有限公司 | Circulating centrifugal gas compressor |
| CN114370409A (en) * | 2021-07-02 | 2022-04-19 | 鑫磊压缩机股份有限公司 | Direct-connected air compressor |
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