CN107740767A - Energy-efficient dual-stage screw air compressor - Google Patents
Energy-efficient dual-stage screw air compressor Download PDFInfo
- Publication number
- CN107740767A CN107740767A CN201711009055.9A CN201711009055A CN107740767A CN 107740767 A CN107740767 A CN 107740767A CN 201711009055 A CN201711009055 A CN 201711009055A CN 107740767 A CN107740767 A CN 107740767A
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- China
- Prior art keywords
- air compressor
- oil
- staving
- heat exchanger
- energy
- Prior art date
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- 239000000203 mixture Substances 0.000 claims abstract description 11
- 239000000446 fuel Substances 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 13
- 239000011229 interlayer Substances 0.000 claims description 12
- 241000826860 Trapezium Species 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 239000010865 sewage Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 127
- 239000007789 gas Substances 0.000 description 35
- 230000000694 effects Effects 0.000 description 11
- 238000001816 cooling Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000007906 compression Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010730 cutting oil Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/02—Pumps characterised by combination with or adaptation to specific driving engines or motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/08—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the rotational speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0092—Removing solid or liquid contaminants from the gas under pumping, e.g. by filtering or deposition; Purging; Scrubbing; Cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/026—Lubricant separation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/18—Pressure
Abstract
The present invention relates to screw air compressor field of energy-saving technology, especially energy-efficient dual-stage screw air compressor.Energy-efficient dual-stage screw air compressor, including air compressor machine cabinet, the lower end of air compressor machine cabinet is provided with chassis, motor is provided with air compressor machine cabinet, motor is connected with frequency converter, motor is connected with air compressor host, air compressor host connects intake valve, air compressor gas valve air inlet is connected to air cleaner, air compressor host connects gs-oil separator by oil gas mixing tube, air-fuel mixture gas passes through gs-oil separator caused by air compressor host, source of the gas is provided, the feedback control that the pressure of source of the gas passes through pressure control device by controller, heat is radiated by heat exchanger caused by air compressor host, Heat exchanger blower passes through temperature sensor feedback by controller, control unit temperature.Usefulness of the present invention：Solve the temperature problem of two-stage compressor, improve the energy-saving efficiency of two-stage compressor, more energy-conserving and environment-protective.
Description
Technical field
The present invention relates to screw air compressor field of energy-saving technology, especially energy-efficient dual-stage screw air pressure
Contracting machine.
Background technology
Compressor is widely used in many fields now, existing screw air compressor complex designing,
In the presence of many pressure losses, and equipment is using the major hidden danger that low-temperature heat exchange initial stage be present, and in order to overall monitor,
Need constantly to control adjustment according to usage scenario, avoid lacking the intelligent control to equipment, the high consumption of resource be present, waste the energy,
It is unfavorable for the requirement of energy-conserving and environment-protective.
The content of the invention
In order to solve the above-mentioned technical problem for avoiding shortage from resource high consumption and the waste energy to the intelligent control of equipment being present,
The present invention provides energy-efficient dual-stage screw air compressor.
Technical scheme is as follows：
Energy-efficient dual-stage screw air compressor, including air compressor machine cabinet, the lower end of air compressor machine cabinet are provided with chassis, pneumatics
Motor is provided with machine cabinet, motor is connected with frequency converter, and motor is connected with air compressor host, air compressor host connection intake valve,
Intake valve air inlet is connected to air cleaner, and air compressor host connects gs-oil separator, gs-oil separator by oil gas mixing tube
Top is provided with pressure gauge and pressure control device B, and core is divided in the top in gs-oil separator provided with oil gas essence, and oil gas essence divides in-core to set
There is oil return pipe, oil return pipe is provided with check valve, and oil return pipe connects the oil return opening of air compressor host, is provided with most at the top of gs-oil separator
Small pressure valve, minimum pressure valve connect heat exchanger by tracheae, and heat exchanger rear end is provided with Heat exchanger blower, and heat exchanger lower end is provided with
Blast pipe, gs-oil separator oil-out are connected to temperature control oily filter base, and temperature control oily filter base exterior is provided with A, B and C mouth, temperature control oily filter
First passage and second channel are provided with base, first passage and second channel junction are provided with temperature valve element, second channel and A
Mouth is connected, and the A mouths of temperature control oily filter base are connected by oil pipe B connection heat exchanger oil inlets, heat exchanger oil-out by oil pipe A
The B mouths of temperature control oily filter base, B mouths communicate through oil screen with C mouths, and first passage communicates through oil screen with C mouths, temperature control oily filter base
C mouths by oil pipe C connection air compressor hosts, is provided with electric cabinet, pressure control device B and minimum pressure valve in air compressor machine cabinet
Connection, air compressor host middle chamber are provided with pressure control device A, and air compressor host two level main exhaust mouth is provided with two level temperature
Sensor, air compressor host one-level main exhaust mouth are provided with one-level temperature sensor, electric cabinet and intake valve, pressure control device
A, Heat exchanger blower, temperature switch, pressure control device B are connected, and air-fuel mixture gas passes through oil gas caused by air compressor host
Separator provides source of the gas, the feedback control of the pressure of source of the gas by controller by pressure control device, caused by air compressor host
Heat is radiated by heat exchanger, and Heat exchanger blower, by temperature sensor feedback, controls unit temperature by controller.
The air compressor host is fixed by middle junctor, and shaft coupling connection, blast pipe supplies for user, gs-oil separator
Side is respectively equipped with oil filler, gs-oil separator oil-out, and lower end is provided with sewage draining exit, temperature switch, set in the middle part of gs-oil separator
There is safety valve.
The input shaft of the air compressor host and the output axis connection of motor, the air compressor machine chassis cover have top plate, top
It is embedded between the upper surface of plate and air compressor machine cabinet by magnet attraction, magnet in top plate, top plate is rectangular, the top plate of rectangle
Four edges on be equipped with magnet.
The heat exchanger and Heat exchanger blower are installed on wind scooper, and the lower end of the wind scooper is arranged on chassis,
It is oil cooler on the left of heat exchanger, right side is aftercooler, and oil cooler left side top is provided with heat exchanger oil inlet, in left side wall
Provided with conduit, oil cooler right hand top is provided with heat exchanger oil-out.
The separator includes staving, and the bottom of the inner wall of barrel is provided with the stabilier to extend internally, described current stabilization
Plate is provided with a circle, and is evenly distributed in described staving, and the longitudinal section of the stabilier is right-angled trapezium, the right-angled trapezium
The inwall of right-angle side and the staving mutually leans on, and the inclined waist of right-angled trapezium is on from lower inward slant.
The gs-oil separator includes staving, and lid is stamped on staving, and the upper end of staving is provided with staving flange, and upper lid is removable
To unload and be connected on staving flange, oil gas essence divides the upper end of core to have the smart partial pressure plate to turn up, and smart partial pressure plate is leaned against on staving flange,
Connected between smart partial pressure plate and staving flange by fixing bolt C, the staving flange has the recessed hanging ring of a circle, described
Smart partial pressure plate is leaned against on described hanging ring, also has fixation clip on the smart partial pressure plate, and described fixation clip is pressed in described
On smart partial pressure plate, described fixing bolt C passes through described fixation clip, smart partial pressure plate, hanging ring, described fixation clip and essence
Between partial pressure plate, sealing gasket is equipped between smart partial pressure plate and hanging ring, the top of staving lateral wall is provided with lower carriage, and described turns
Axle is vertically provided on described lower carriage；Upper lid is provided with upper bracket, and rotating shaft is penetrated in upper bracket, and upper bracket is provided with axle
Cylinder, rotating shaft are penetrated in beam barrel from the lower end of beam barrel.
The gs-oil separator includes staving, and described staving is provided with safety corridor, and the end of the safety corridor is set
There are safety valve A, described safety valve A to be covered with safety valve protective cover, safety valve protective cover includes the cover of cross section semicircular in shape
Body and the connecting portion positioned at bottom, described connecting portion include being rolled in external splint on the outside of safety corridor, from external splint both ends to
The outer lug of outer extension, described cover body cover safety valve A；The inner side of the safety corridor has corresponding with described connecting portion
Installation portion, described installation portion includes being rolled in inner splint on the inside of safety corridor, it is inscribed to be stretched out by inner splint both ends
Ear, described safety corridor are clipped between described inner splint and external splint, pass through spiral shell between described interior lug and outer lug
Bolt B connections.
The gs-oil separator, including staving and the upper lid of staving upper end, the edge of upper lid and the upper end of staving are by turning
Axle B connections, upper cover at staving upper end on this are connected between lid and staving by fixing bolt B, the lateral wall of staving it is upper
Portion is provided with lower carriage, and described rotating shaft is vertically provided on lower carriage；Upper lid is provided with upper bracket, and rotating shaft is penetrated in upper bracket,
Upper bracket is provided with beam barrel, and rotating shaft is penetrated in beam barrel from the lower end of beam barrel, and the upper end of the beam barrel is also fed through screwing bolts.
The bottom surface of the air compressor machine cabinet is provided with air compressor host base and motor base, and air compressor host is arranged on sky
On press main machine base, the motor bottom is provided with mounting seat, and mounting seat is arranged on motor base, and the length of motor base is big
In the length of mounting seat, air compressor host is arranged on air compressor host base by bolt, and mounting seat is arranged on by bolt
On motor base, it is bolted between the bottom surface of air compressor host base and air compressor machine cabinet, the motor base and sky
Also through bolt connection between the bottom surface of press cabinet, have first between air compressor host base and the bottom surface of air compressor machine cabinet
Interlayer, has the second interlayer between the bottom surface of motor base and the air compressor machine cabinet, in the first described interlayer, the second interlayer
Provided with buffer gear.
The gs-oil separator includes staving and oil ga(u)ge, and the upper end cover of staving is provided with upper lid A, and staving bottom is communicated with oil ga(u)ge
Lower linking tube, staving lower sides are communicated with oil ga(u)ge upper connecting tube, and oil ga(u)ge upper connecting tube and oil ga(u)ge lower linking tube connect with oil ga(u)ge, on oil ga(u)ge
Adapter and oil ga(u)ge lower linking tube are connected using bolt A with oil ga(u)ge, upper lid A edge and staving upper end by rotating shaft A, upper lid A and
Connected between staving by fixing bolt A, the top of the lateral wall of staving is provided with lower carriage A, and rotating shaft A is vertically provided at lower carriage
On A, upper lid A is provided with upper bracket A, and rotating shaft A is penetrated in upper bracket A, and upper bracket A is provided with beam barrel A, and rotating shaft A is under beam barrel A
End is penetrated in beam barrel A.
Using technical scheme, structure is novel, and ingenious in design, rationally distributed, air channel one, cold air passes through automatically controlled
After case air inlet Air Filter filters out the bulky grain dust in air or impurity, into electric cabinet, the heat that electric elements are distributed
Amount is entered inside unit by electric cabinet cooling blower, cools down electric-control system, ensures the normal work of electric-control system, air channel two,
Cold air enters inside unit after being filtered out the bulky grain dust in air or impurity by unit air inlet Air Filter, two transportation work styles
Road acts on simultaneously, the heat distributed when main motor group is worked from right to left with radiator fan after heat exchanger it is efficiently smooth
Discharge, reduce unit box body inside temperature, greatly improve main motor group working environment, improve unit operating efficiency and
Service life；Shelves stream circle not only improves the separating effect of gas mixture, it is ensured that fluid rotating separation enters staving bottom, hinders shelves
The splashing of fluid, the oil-containing gases of discharge are now compressed by colliding, intercepting, Action of Gravity Field, most oil medium is divided absolutely
From under, gs-oil separator bottom is stored in；Other pipelines are connected by temperature control oily filter base single part, it is more to change conventional part
Scattered and complex management again, present pipeline is succinct, reduces the circuit risk between pipeline, reduces the pressure damage between pipeline
Lose, save the time, improve operating efficiency, more efficiently；By temperature valve element, avoid at low temperatures, into heat exchange
The pressure loss of device, the fault rate under air compressor machine low temperature scene is reduced, avoid producing moisture, allowed aqueous in oil, there is provided use
Life-span；Intelligent control, tracks according to operating mode and runs, and failure is easily mediated, solves the temperature problem of two-stage compressor, improve
The energy-saving efficiency of two-stage compressor, more energy-conserving and environment-protective, air compressor machine use state is detected in all directions, improve safe application performance.
Brief description of the drawings
Fig. 1,2,3,4,5,6,7 are the structural representations of the present invention；
Fig. 8,9,10,11,12,13,14,15 are the structural representations of part of the present invention；
Figure 16,17,18,19,20,21,22 are the structural representations of gs-oil separator in the present invention；
Figure 23 is the structural representation of present invention heat exchanger；
Figure 24 is the structural representation before present invention heat exchanger improves；
Figure 25 is the structural representation of control system theory diagram of the present invention.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Embodiment 1
Energy-efficient dual-stage screw air compressor as shown in Fig. 1,2,3,4,5,6,7,8,22, including air compressor machine cabinet 1,
The lower end of air compressor machine cabinet 1 is provided with chassis 2, and motor 3 is provided with air compressor machine cabinet 1, and the bottom of motor 3 is provided with electric machine support 8, electricity
The bottom of machine support 8 is equipped with snubber block 9, reduces load, and motor 3 is connected with frequency converter 69, and motor 3 is connected with air compressor host 7, empty
Press main frame 7 connects intake valve 16, and the air inlet of intake valve 16 is connected to air cleaner 6, and air compressor host 7 passes through oil gas mixing tube
27 connection gs-oil separators 26, the top of gs-oil separator 26 is provided with pressure gauge 31 and pressure control device B32, gs-oil separator 26
Core 26-1 is divided in interior top provided with oil gas essence, and oil gas essence, which is divided in core 26-1, is provided with oil return pipe 5, and oil return pipe 5 is provided with check valve 28,
Oil return pipe 5 connects the oil return opening of air compressor host 7, and the top of gs-oil separator 26 is provided with minimum pressure valve 17, minimum pressure valve 17
Heat exchanger 14 is connected by tracheae 15, the rear end of heat exchanger 14 is provided with Heat exchanger blower 13, and the lower end of heat exchanger 14 is provided with blast pipe 12,
Gs-oil separator oil-out 26-4 is connected to temperature control oily filter base 25, and the outside of temperature control oily filter base 25 is provided with A, B and C mouth, temperature control oil
First passage and second channel are provided with filter bottom seat 25, first passage and second channel junction are provided with temperature valve element, and second is logical
Road is connected with A mouths, and the A mouths of temperature control oily filter base 25 pass through oil pipe B22 connection heat exchangers oil inlet 18, heat exchanger oil-out 19
By the B mouths of oil pipe A20 connection temperature control oily filters base 25, B mouths communicate through oil screen 24 with C mouths, and first passage is through oil screen 24
Communicated with C mouths, the C mouths of temperature control oily filter base 25 are interior provided with automatically controlled by oil pipe C23 connections air compressor host 7, air compressor machine cabinet 1
Case 21, pressure control device B32 are connected with minimum pressure valve 17, and the middle chamber of air compressor host 7 is provided with pressure control device
A33, the two level main exhaust mouth of air compressor host 7 are provided with two level temperature sensor 75, and the one-level main exhaust mouth of air compressor host 7 is set
There are one-level temperature sensor 76, electric cabinet 21 and intake valve 16, pressure control device A33, Heat exchanger blower 13, temperature switch
29th, pressure control device B32 is connected, and air-fuel mixture gas caused by air compressor host 7 provides source of the gas by gs-oil separator 26,
Feedback control of the pressure of source of the gas by controller 70 by pressure control device, heat is by heat exchanger caused by air compressor host 7
14 radiatings, Heat exchanger blower 13, by temperature sensor feedback, control unit temperature by controller 70.
The air compressor host 7 is fixed by middle junctor 4, and shaft coupling 10 connects, and blast pipe 12 supplies for user, oil gas
The side of separator 26 is respectively equipped with oil filler 26-2, gs-oil separator oil-out 26-4, and lower end is provided with sewage draining exit 26-3, temperature is opened
29 are closed, the middle part of gs-oil separator 26 is provided with safety valve 30.
As shown in Fig. 9,10, the electric cabinet 21, including electronic-control box 11, electronic-control box 11 is interior to be provided with electric control gear, electricity
Control casing 11 has left side wall and right side wall, offers air inlet on left side wall, offers inlet scoop on right side wall, on inlet scoop
Electric cabinet cooling blower 35 is installed, air inlet is provided with electric cabinet air inlet Air Filter 36, and electric cabinet cooling blower 35 is positioned at the right side
The outside of side wall, filter screen frame is provided with left side wall in the outside of air inlet, electric cabinet air inlet Air Filter 36 is positioned at filtering
In screen frame frame, air inlet is located at the bottom of left side wall, and inlet scoop is located at the top of right side wall, and this air inlet is under, inlet scoop
It is more conducive to form convection current in upper structure, so as to strengthen air cooling effect.Cold air will be big by electric cabinet air inlet Air Filter 36
After bulky grain dust or impurity in gas filter out, into electric cabinet 21, the heat that electric elements are distributed is cooled down by electric cabinet
Blower fan 35 enters inside unit, cools down electric-control system, ensures the normal work of electric-control system.Entered by electric cabinet cooling blower 35
Row air draught, air enters in electronic-control box 11 from air inlet, and is sucked out from inlet scoop, therefore can be produced in electronic-control box 11
Air cooling effect, reach the purpose cooled down to electric control gear.Air channel one, cold air will by electric cabinet air inlet Air Filter 36
After bulky grain dust or impurity in air filter out, into electric cabinet 21, the heat that electric elements are distributed is cold by electric cabinet
But blower fan 35 enters inside unit, cools down electric-control system, ensures the normal work of electric-control system；Air channel two, cold air passes through machine
Group air inlet Air Filter 73 enters inside unit after filtering out the bulky grain dust in air or impurity, and two-way air channel is made simultaneously
With, the heat distributed when main motor group is worked the efficiently smooth discharge after heat exchanger with radiator fan from right to left,
The temperature inside unit box body is reduced, greatly improves the working environment of main motor group, improves the operating efficiency of unit and using the longevity
Life.
As shown in Figure 12,13, the output axis connection of the input shaft of the air compressor host 7 and motor 3, the air compressor machine machine
Top plate 74 is stamped on case 1, top is embedded in by the adhesive of magnet 63, magnet 63 between top plate 74 and the upper surface of air compressor machine cabinet 1
In plate 74, top plate 74 is rectangular, magnet 63 is equipped with the four edges of the top plate 74 of rectangle, simple in construction, disassembly and installation is all
It is very convenient.
As shown in Figure 14,15,23, the heat exchanger 14 and Heat exchanger blower 13 are installed on wind scooper 62, described to lead
The lower end of fan housing 62 is arranged on chassis 2, erects installation, installs very easy, and does not influence radiating effect, heat exchanger 14
Left side is oil cooler, and right side is aftercooler, and oil cooler left side top is provided with heat exchanger oil inlet 18, and left side is provided with side
Conduit 59, oil cooler right hand top are provided with heat exchanger oil-out 19, and as shown in figure 23, heat exchanger 14 uses single process, passes through
Conduit 59 is transported to bottom, then moves upwardly together, and flow resistance substantially reduces, temperature steady decrease, and the reliability of product improves,
As shown in figure 24, heat exchanger 14 uses double-flow, first from top to bottom, then moves from top to bottom, and flow resistance is high, oil inlet with it is fuel-displaced
There is the temperature difference in mouth, cold and hot interconnecting part, for a long time under this operating mode, interior leakage phenomenon be present, influence the reliability of product.
Gs-oil separator 26 includes staving, and the bottom of the inner wall of barrel is provided with the stabilier to extend internally, and described is steady
Flowing plate is provided with a circle, and is evenly distributed in described staving, and the longitudinal section of the stabilier is right-angled trapezium, the right-angled trapezium
The inwall of right-angle side and the staving mutually lean on, the inclined waist of right-angled trapezium on from lower inward slant, so as to further carry
The turbulence function of high stabilier, and further reduce the influence to fuel-air mixture rotation, the bottom of inner wall of barrel be provided with to
Interior extension stabilier, disturbance of the fuel-air mixture in staving bottom can be slowed down by the stabilier, and not influence air-fuel mixture
The integral-rotation effect of gas, so as to avoid the oily fluctuation that staving bottom is gathered.
As shown in Figure 16,17, gs-oil separator 26 includes staving, and lid 40 is stamped on staving, and the upper end of staving is provided with bucket
Body flange 39, upper lid 40 are detachably connected on staving flange 39, and oil gas essence divides the upper end of core to have the smart partial pressure plate 38 to turn up,
Smart partial pressure plate 38 is leaned against on staving flange 39, is connected between smart partial pressure plate 38 and staving flange 39 by fixing bolt C37, described
Staving flange 39 has the recessed hanging ring 65 of a circle, and described smart partial pressure plate 38 is leaned against on described hanging ring 65, the smart partial pressure
There is fixation clip 66 on plate 38, described fixation clip 66 is pressed on described smart partial pressure plate 38, described fixing bolt C37
Through described fixation clip 66, smart partial pressure plate 38, hanging ring 65, between described fixation clip 66 and smart partial pressure plate 38, essence point
Sealing gasket 67 is equipped between pressing plate 38 and hanging ring 65, the top of staving lateral wall is provided with lower carriage 48, and described rotating shaft 46 is perpendicular
To being arranged on described lower carriage 48；Upper lid 40 is provided with upper bracket 49, and rotating shaft 46 is penetrated in upper bracket 49, on upper bracket 49
Provided with beam barrel 50, rotating shaft 46 is penetrated in beam barrel 50 from the lower end of beam barrel 50.When staving needs open, fixing bolt B72 is turned on, is rotated
Upper lid 40, when installation oil gas essence divides core, upper lid 40 first opens wide, and the upper end of staving is open, can be by open very convenient
Installation oil gas essence in ground divides core, and oil gas essence divides core to cover lid 40 again after the installation is complete, easy to operate, and the specific of upper lid 40 opens
Dismantling connection method is：The edge of the upper lid 40 is connected with the upper end of the staving by rotating shaft 46, and described upper lid 40 covers
Connected at staving upper end on this between lid 40 and staving flange 39 by fixing bolt B72.
As shown in Figure 19,20, gs-oil separator 26 includes staving, and described staving is provided with safety corridor 51, the peace
The end of full pipeline 51 is covered with safety valve protective cover, safety valve protective cover bag provided with safety valve A52, described safety valve A52
The cover body 53 of cross section semicircular in shape and the connecting portion positioned at bottom are included, described connecting portion includes being rolled on the outside of safety corridor
External splint 54, the outer lug 55 to be stretched out by the both ends of external splint 54, described cover body 53 cover safety valve A52；The safety
The inner side of pipeline 51 has installation portion corresponding with described connecting portion, and described installation portion includes being rolled on the inside of safety corridor
Inner splint 56, the interior lug 57 to be stretched out by the both ends of inner splint 56, described safety corridor 51 are clipped in described inner splint 56
Between external splint 54, connected between described interior lug 57 and outer lug 55 by bolt B.Safety valve protective cover is set to peace
Full valve A52 is protected, and avoids safety valve A52 from being destroyed.
As shown in figure 21, gs-oil separator 26 includes staving and the upper lid 40 of staving upper end, the edge and staving of upper lid 40
Upper end connected by rotating shaft 46, upper lid 40 covers to be connected on this at staving upper end between lid 40 and staving by fixing bolt B72
Connect, the top of the lateral wall of staving is provided with lower carriage 48, and described rotating shaft 46 is vertically provided on lower carriage 48；Set on upper lid 40
There is upper bracket 49, rotating shaft 46 is penetrated in upper bracket 49, and upper bracket 49 is provided with beam barrel 50, and rotating shaft 46 penetrates from the lower end of beam barrel 50
In beam barrel 50, the upper end of the beam barrel 50 is also fed through screwing bolts 64, when upper lid 40 is covered when on staving, tightens fixed spiral shell first
Bolt B72, screwing bolts 64 are then tightened, make the lower end and the phase top of rotating shaft 46 of screwing bolts 64, further robust structure, dismantling
When fixing bolt B72 need to only be removed, rotary upper cover 40, make lid no longer cover in staving upper end, now can be to oil
Gas separating device 26 carries out the operation such as repairing, without upper lid 40 is removed completely.
After air is filtered out the dust in air or impurity by air cleaner 6, pneumatics owner is entered by intake valve 16
Machine 7, mixed in compression process with the cutting oil of penetrating, mixed gas after compression is discharged into Oil-gas Separation from compression chamber
Device 26, there is oil gas essence to divide core 26-1 in gs-oil separator, upper end is provided with pressure control device B32 and pressure gauge 31, and middle part is provided with
Oil filler 26-2, safety valve 30 and safety valve protective cover, downside are provided with sight oil mirror, gs-oil separator oil-out 26-4 and temperature and opened
29 are closed, bottom is provided with sewage draining exit 26-3, and gas mixture enters gs-oil separator by oil inlet, carries out rotating separation, fluid
In gs-oil separator congregate, in the presence of stabilier, stable liquid level, the ring of shelves stream circle 61 is located at staving lower inner wall, shape
Like round table-like：Effect one, improve the separating effect of gas mixture；Effect two, fluid rotating separation enter staving bottom, hinder shelves
The splashing of fluid, the oil-containing gases of discharge are now compressed by colliding, intercepting, Action of Gravity Field, most oil medium is divided absolutely
From under, the bottom of gs-oil separator 26 is stored in, is at this moment divided into two-way：Oil circuit and gas circuit, gas circuit, gas mixture enter oil gas essence
Divide core to carry out secondary separation, obtain the seldom compressed air of oil content, when air is compressed to defined pressure value, minimum pressure
Power valve 17 is opened, and discharge compressed air is cooled down to heat exchanger 14, is finally sent into and is used system；Oil circuit, gs-oil separator bottom
The oil in portion passes through temperature control oily filter base 25, now if temperature, which reaches, meets value, temperature valve element control under the pressure effect of system
System opens second channel, and B mouths are cooled to heat exchanger 14 through A mouths by second channel, to C mouths through pipe after oil screen filtering 24
Road reinjects compressor, and recycles；Meet value failing to reaching, it is commonplace when especially just startup, now
Oil temperature is low, and viscosity is high, unsatisfactory through heat exchanger 14, is also easily damaged equipment, therefore the control of temperature valve element opens first
Passage, compressor is reinjected by the road to C mouths after oil screen filtering 24, not through heat exchanger 14, ensure that the good of equipment
Good luck row, the panel of electric cabinet 21 are provided with control panel, display screen and operated key, are provided with controller 70 in electric cabinet 21, control
Device 70 processed connects control processor module, control circuit power supply, signal processing module, each operated key and display screen respectively, control
Processor module processed connects intake valve 16, Heat exchanger blower 13, motor 3 respectively, and signal processing module connects TEMP respectively
Device, pressure control device, temperature sensor, pressure control device keep data to communicate with controller 70.
As shown in figure 25, energy-efficient dual-stage screw air compressor control system, including frequency converter 69, pneumatics owner
Machine 7,3, two temperature sensors of motor, two pressure control devices, controller 70, gs-oil separator 26, heat exchanger 14, it is transported
Row step is as follows：
（1）, start air compressor machine, frequency converter start drive motor；
（2）, motor according to the output of frequency converter drive main frame operation；
（3）, controller pass through the effect of sensor, moment detection each dotted state of air compressor machine；
（4）, intermediate pressure below a pressure control device detection one-level main frame, the detection exhaust of another pressure control device
Mouth pressure；
（5）One temperature sensor detects one-level main exhaust mouth temperature, another temperature sensor detection two level main exhaust
Mouth temperature；
（6）, controller according to the feedback of each point signal, give the running status of frequency converter；
The oil piping system and running situation of one-level main exhaust mouth temperature sensor protecting one-level main frame, two level main exhaust mouth temperature
Sensor protection system overall temperature and running situation are spent, one-level main exhaust mouth pressure control device is controlled between two-stage main frame
Intermediate pressure, host computer system is maintained best efficiency point, the pressure control device control of described two level main exhaust mouth
The pressure at expulsion of the system, the speed of frequency converter rotating speed is controlled, adjusts suitable gas production.
Start controller 70, by the processing of controller 70, the enabling signal of output frequency converter 69, frequency converter 69 receives control
The enabling signal and status signal of device 70 processed, motor 3, motor 3 and air compressor host 7 are connected by shaft coupling 10, air compressor machine
With the run-in synchronism of motor 3, the pressure in gs-oil separator 26 also slowly rises main frame 7 with the operating of air compressor host 7, first by
Pressure control device A33 detects the pressure of one-level main frame, and subsequent pressure control device B32 detects the pressure of complete machine exhaust outlet
Power, controller 70 receive pressure control device A33 and pressure control device B32 feedback signal, control the operation of compressor
State, optimal supply scheme is provided to client；Meanwhile one-level temperature sensor 76 detects the temperature of the one-level of air compressor host 7
To spend, subsequent two level temperature sensor 75 detects the temperature of the two level of air compressor host 7, temperature signal is fed back to controller 70,
The running status of Heat exchanger blower 13, oil circuit are adjusted, the oil of the bottom of gs-oil separator 26 passes through temperature under the pressure effect of system
Oil-control filter bottom seat 25, now if temperature, which reaches, meets value, second channel is opened in the control of temperature valve element, by second channel through A
Mouth is cooled to B mouths to heat exchanger 14, reinjects compressor by the road to C mouths after oil screen filtering 24, and recycle；If
Fail to reach and meet value, when especially just startup, commonplace, now oil temperature is low, and viscosity is high, through heat exchanger 14 simultaneously
It is undesirable, equipment is also easily damaged, therefore first passage is opened in the control of temperature valve element, to C mouths through pipe after oil screen filtering 24
Road reinjects compressor, not through heat exchanger 14.
Embodiment 2
As shown in figure 11, the bottom surface of the present embodiment air compressor machine cabinet 1 as different from Example 1 is provided with air compressor host
Base 58 and motor base 60, air compressor host 7 are arranged on air compressor host base 58, and the bottom of motor 3 is provided with installation
Seat 71, mounting seat 71 are arranged on motor base 60, and the length of motor base 60 is more than the length of mounting seat 71, air compressor host
7 are arranged on air compressor host base 58 by bolt, and mounting seat 71 is arranged on motor base 60 by bolt, and installation is more
It is convenient；In addition, the length of motor base 60 is more than the length of the mounting seat 71 of motor 3, when motor 3 need to pull down maintenance maintenance or
During maintenance, motor 3 can be moved on motor base 60, and motor 3 is still shelved on motor base 60, without weight is very big
Motor 3 move away from motor base 60, be more convenient power motor maintenance work.Air compressor host base 58 and air compressor machine cabinet 1
Bottom surface between be bolted, it is empty also through bolt connection between the bottom surface of the motor base 60 and air compressor machine cabinet 1
There is the first interlayer, the motor base 60 and air compressor machine cabinet 1 between the bottom surface of press main machine base 58 and air compressor machine cabinet 1
Bottom surface between there is the second interlayer, is provided with buffer gear 68 in the first described interlayer, the second interlayer, air compressor is in work
When making, buffer gear 68 plays a part of buffering, damping, and buffer gear 68 can use flexible piece, elastic component（Such as rubber）.
Embodiment 3
As shown in figure 18, gs-oil separator 26 includes staving and oil ga(u)ge 41 to the present embodiment as different from Example 1, staving it is upper
End cap is provided with upper lid A42, and staving bottom is communicated with oil ga(u)ge lower linking tube 43, and staving lower sides are communicated with oil ga(u)ge upper connecting tube 44, oil
Put on adapter 44 and oil ga(u)ge lower linking tube 43 connects with oil ga(u)ge 41, oil ga(u)ge upper connecting tube 44 and oil ga(u)ge lower linking tube 43 use bolt
A45 is connected with oil ga(u)ge 41, and upper lid A42 edge, by rotating shaft A46, passes through fixation with staving upper end between upper lid A42 and staving
Bolt A47 connections, the top of the lateral wall of staving are provided with lower carriage A48, and rotating shaft A46 is vertically provided on lower carriage A48, upper lid
A42 is provided with upper bracket A49, and rotating shaft A46 is penetrated in upper bracket A49, and upper bracket A49 is provided with beam barrel A50, and rotating shaft A46 is from axle
Cylinder A50 lower end is penetrated in beam barrel A50.When the upper end of staving need to be opened wide, it is only necessary to after unscrewing fixing bolt A47, rotary upper cover
A42, oil ga(u)ge 41 is connected by oil ga(u)ge upper connecting tube 44 and oil ga(u)ge lower linking tube 43 with staving, therefore oil ga(u)ge may move, and is easy to
It is adapted to from different stavings.
It should be appreciated that the foregoing is merely illustrative of the preferred embodiments of the present invention, it e insufficient to the limitation present invention's
Technical scheme, for those of ordinary skills, within the spirit and principles in the present invention, it can add according to the above description
Increasing and decreasing, replacing, converting or improving, and the technical scheme after all these increases and decreases, replacement, conversion or improvement, it should all belong to this
The protection domain of invention appended claims.
Claims (10)
1. energy-efficient dual-stage screw air compressor, it is characterised in that：Including air compressor machine cabinet（1）, air compressor machine cabinet（1）
Lower end be provided with chassis（2）, air compressor machine cabinet（1）It is interior to be provided with motor（3）, motor（3）With frequency converter（69）Connection, motor（3）
With air compressor host（7）Connection, air compressor host（7）Connect intake valve（16）, intake valve（16）Air inlet is connected to air filtration
Device（6）, air compressor host（7）Pass through oil gas mixing tube（27）Connect gs-oil separator（26）, gs-oil separator（26）Top is set
There is pressure gauge（31）With pressure control device B（32）, gs-oil separator（26）Core is divided in interior top provided with oil gas essence（26-1）, oil
Gas essence divides core（26-1）It is interior to be provided with oil return pipe（5）, oil return pipe（5）It is provided with check valve（28）, oil return pipe（5）Connect pneumatics owner
Machine（7）Oil return opening, gs-oil separator（26）Top is provided with minimum pressure valve（17）, minimum pressure valve（17）Pass through tracheae（15）
Connect heat exchanger（14）, heat exchanger（14）Rear end is provided with Heat exchanger blower（13）, heat exchanger（14）Lower end is provided with blast pipe（12）,
Gs-oil separator oil-out（26-4）It is connected to temperature control oily filter base（25）, temperature control oily filter base（25）Outside is provided with A, B and C mouth,
Temperature control oily filter base（25）Interior to be provided with first passage and second channel, first passage and second channel junction are provided with temperature valve
Core, second channel are connected with A mouths, temperature control oily filter base（25）A mouths pass through oil pipe B（22）Connect heat exchanger oil inlet
（18）, heat exchanger oil-out（19）Pass through oil pipe A（20）Connect temperature control oily filter base（25）B mouths, B mouths are through oil screen（24）With
C mouths communicate, and first passage is through oil screen（24）Communicated with C mouths, temperature control oily filter base（25）C mouths pass through oil pipe C（23）Connection
Air compressor host（7）, air compressor machine cabinet（1）It is interior to be provided with electric cabinet（21）, pressure control device B（32）With minimum pressure valve（17）
Connection, air compressor host（7）Middle chamber is provided with pressure control device A（33）, air compressor host（7）Two level main exhaust mouth is set
There is two level temperature sensor（75）, air compressor host（7）One-level main exhaust mouth is provided with one-level temperature sensor（76）, electric cabinet
（21）With intake valve（16）, pressure control device A（33）, Heat exchanger blower（13）, temperature switch（29）, pressure control device B
（32）It is connected, air compressor host（7）Caused air-fuel mixture gas passes through gs-oil separator（26）Source of the gas, the pressure of source of the gas are provided
By controller（70）Pass through the feedback control of pressure control device, air compressor host（7）Caused heat is by heat exchanger（14）Dissipate
Heat, Heat exchanger blower（13）By controller（70）By temperature sensor feedback, unit temperature is controlled.
2. energy-efficient dual-stage screw air compressor according to claim 1, it is characterised in that：The pneumatics owner
Machine（7）Pass through middle junctor（4）It is fixed, shaft coupling（10）Connection, blast pipe（12）Supplied for user, gs-oil separator（26）Side
Face is respectively equipped with oil filler（26-2）, gs-oil separator oil-out（26-4）, lower end is provided with sewage draining exit（26-3）, temperature switch
（29）, gs-oil separator（26）Middle part is provided with safety valve（30）.
3. energy-efficient dual-stage screw air compressor according to claim 1, it is characterised in that：The pneumatics owner
Machine（7）Input shaft and motor（3）Output axis connection, the air compressor machine cabinet（1）On be stamped top plate（74）, top plate（74）With
Air compressor machine cabinet（1）Upper surface between pass through magnet（63）Adhesive, magnet（63）It is embedded in top plate（74）In, top plate（74）It is in
Rectangle, the top plate of rectangle（74）Four edges on be equipped with magnet（63）.
4. energy-efficient dual-stage screw air compressor according to claim 1, it is characterised in that：The heat exchanger
（14）And Heat exchanger blower（13）It is installed in wind scooper（62）On, the wind scooper（62）Lower end be arranged on chassis（2）On,
Heat exchanger（14）Left side is oil cooler, and right side is aftercooler, and oil cooler left side top is provided with heat exchanger oil inlet（18）,
Conduit is provided with left side wall（59）, oil cooler right hand top is provided with heat exchanger oil-out（19）.
5. energy-efficient dual-stage screw air compressor according to claim 1, it is characterised in that：The separator,
Including staving, the bottom of the inner wall of barrel is provided with the stabilier to extend internally, and described stabilier is provided with a circle, and uniformly divides
For cloth in described staving, the longitudinal section of the stabilier is right-angled trapezium, the right-angle side of the right-angled trapezium and the staving
Inwall mutually leans on, and the inclined waist of right-angled trapezium is on from lower inward slant.
6. energy-efficient dual-stage screw air compressor according to claim 1, it is characterised in that：The Oil-gas Separation
Device（26）Including staving, lid is stamped on staving（40）, the upper end of staving is provided with staving flange（39）, upper lid（40）Detachably connect
It is connected on staving flange（39）On, oil gas essence divides core（26-1）Upper end there is the smart partial pressure plate that turns up（38）, smart partial pressure plate（38）
Lean against staving flange（39）On, smart partial pressure plate（38）With staving flange（39）Between pass through fixing bolt C（37）Connection, the bucket
Body flange（39）With the hanging ring that a circle is recessed（65）, described smart partial pressure plate（38）Lean against described hanging ring（65）On, it is described
Smart partial pressure plate（38）It is upper to also have fixation clip（66）, described fixation clip（66）It is pressed in described smart partial pressure plate（38）On, institute
The fixing bolt C stated（37）Through described fixation clip（66）, smart partial pressure plate（38）, hanging ring（65）, described fixation clip
（66）With smart partial pressure plate（38）Between, smart partial pressure plate（38）With hanging ring（65）Between be equipped with sealing gasket（67）, staving lateral wall
Top be provided with lower carriage（48）, described rotating shaft（46）It is vertically provided at described lower carriage（48）On；Upper lid（40）On set
There is upper bracket（49）, rotating shaft（46）Penetrate upper bracket（49）In, upper bracket（49）It is provided with beam barrel（50）, rotating shaft（46）From beam barrel
（50）Lower end penetrate beam barrel（50）In.
7. energy-efficient dual-stage screw air compressor according to claim 1, it is characterised in that：The Oil-gas Separation
Device（26）Including staving, described staving is provided with safety corridor（51）, the safety corridor（51）End be provided with safety valve A
（52）, described safety valve A（52）Safety valve protective cover is covered with, safety valve protective cover includes the cover body of cross section semicircular in shape
（53）With the connecting portion positioned at bottom, described connecting portion includes being rolled in safety corridor（51）The external splint in outside（54）, by outer
Clamping plate（54）The outer lug that both ends stretch out（55）, described cover body（53）Cover safety valve A（52）；The safety corridor
（51）Inner side there is installation portion corresponding with described connecting portion, described installation portion includes being rolled in safety corridor（51）Inner side
Inner splint（56）, by inner splint（56）The interior lug that both ends stretch out（57）, described safety corridor（51）It is clipped in described
Inner splint（56）And external splint（54）Between, described interior lug（57）With outer lug（55）Between connected by bolt B.
8. energy-efficient dual-stage screw air compressor according to claim 1, it is characterised in that：The Oil-gas Separation
Device（26）Upper lid including staving and staving upper end（40）, upper lid（40）Edge and the upper end of staving pass through rotating shaft（46）Even
Connect, upper lid（40）Cover and covered at staving upper end on this（40）Pass through fixing bolt B between staving（72）Connection, the outside of staving
The top of wall is provided with lower carriage（48）, described rotating shaft（46）It is vertically provided at lower carriage（48）On；Upper lid（40）It is provided with upper
Support（49）, rotating shaft（46）Penetrate upper bracket（49）In, upper bracket（49）It is provided with beam barrel（50）, rotating shaft（46）From beam barrel（50）
Lower end penetrate beam barrel（50）In, the beam barrel（50）Upper end be also fed through screwing bolts（64）.
9. energy-efficient dual-stage screw air compressor according to claim 1, it is characterised in that：The air compressor machine machine
Case（1）Bottom surface be provided with air compressor host base（58）And motor base（60）, air compressor host（7）Installed in pneumatics owner
Machine base（58）On, the motor（3）Bottom is provided with mounting seat（71）, mounting seat（71）Installed in motor base（60）On, electricity
Machine base（60）Length be more than mounting seat（71）Length, air compressor host（7）Air compressor host bottom is arranged on by bolt
Seat（58）On, mounting seat（71）Motor base is arranged on by bolt（60）On, air compressor host base（58）With air compressor machine machine
Case（1）Bottom surface between be bolted, the motor base（60）Also through bolt between the bottom surface of air compressor machine cabinet 1
Connection, air compressor host base（58）With air compressor machine cabinet（1）Bottom surface between there is the first interlayer, the motor base（60）
With air compressor machine cabinet（1）Bottom surface between there is the second interlayer, is provided with buffer gear in the first described interlayer, the second interlayer
（68）.
10. energy-efficient dual-stage screw air compressor according to claim 1, it is characterised in that：The oil gas point
From device（26）Including staving and oil ga(u)ge（41）, the upper end cover of staving is provided with upper lid A（42）, staving bottom is communicated with oil ga(u)ge lower linking tube
（43）, staving lower sides are communicated with oil ga(u)ge upper connecting tube（44）, oil ga(u)ge upper connecting tube（44）And oil ga(u)ge lower linking tube（43）And oil ga(u)ge
（41）Connection, oil ga(u)ge upper connecting tube（44）With oil ga(u)ge lower linking tube（43）Use bolt A（45）With oil ga(u)ge（41）Connection, upper lid A
（42）Edge and staving upper end pass through rotating shaft（46）, upper lid A（42）Pass through fixing bolt A between staving（47）Connection, bucket
The top of the lateral wall of body is provided with lower carriage（48）, rotating shaft（46）It is vertically provided at lower carriage（48）On, upper lid A（42）It is provided with
Upper bracket（49）, rotating shaft（46）Penetrate upper bracket（49）In, upper bracket（49）It is provided with beam barrel（50）, rotating shaft（46）From beam barrel
（50）Lower end penetrate beam barrel（50）In.
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| CN201711009055.9A CN107740767B (en) | 2017-10-25 | 2017-10-25 | High-efficiency energy-saving two-stage screw air compressor |
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| CN201711009055.9A CN107740767B (en) | 2017-10-25 | 2017-10-25 | High-efficiency energy-saving two-stage screw air compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11668307B2 (en) | 2021-03-31 | 2023-06-06 | Danfoss (Tianjin) Ltd. | Oil tubing installation assembly and scroll compressor |
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| CN107740767B (en) | 2023-11-21 |
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