CN209761720U - large-displacement volume rotary compressor - Google Patents
large-displacement volume rotary compressor Download PDFInfo
- Publication number
- CN209761720U CN209761720U CN201920495325.XU CN201920495325U CN209761720U CN 209761720 U CN209761720 U CN 209761720U CN 201920495325 U CN201920495325 U CN 201920495325U CN 209761720 U CN209761720 U CN 209761720U
- Authority
- CN
- China
- Prior art keywords
- spiral groove
- rotary compressor
- rotor
- circular tooth
- gear
- 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.)
- Active
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a large-displacement volume rotary compressor, which comprises a shell, wherein a central wheel and a single or a plurality of spiral groove rotors are arranged in the shell; a circular tooth sheet is formed on the central wheel, a spiral groove is formed on the spiral groove rotor, a certain gap is formed between the circular tooth sheet and the spiral groove, the circular tooth sheet and the spiral groove are meshed and connected with each other, and the circular tooth sheet and the spiral groove are matched with the shell to finish the processes of air suction, compression and exhaust; and the gap between the circular tooth piece and the spiral groove is sealed and cooled by liquid spraying. The utility model discloses a big discharge capacity rotary compressor's centre wheel and the compound mode of single or a plurality of helicla flute rotor, the volume of helicla flute rotor is very little for the processing of helicla flute rotor becomes very easy, thereby has realized big discharge capacity rotary compressor's manufacturing, and the helicla flute contactless on circular tooth piece on the centre wheel and the helicla flute rotor has the hydrojet cooling and seals, makes capacity rotary compressor's efficiency higher, and is longe-lived, operates steadily.
Description
Technical Field
The utility model relates to a technical field of compressor especially relates to a large discharge capacity rotary compressor.
Background
The compressor is a machine for compressing gas to improve gas pressure, is widely applied to industries such as chemical industry, steel, petroleum, food, pharmacy, ore dressing, coal, water treatment, automobiles, ships and the like, is energy-using equipment with large quantity and wide range, and can bring huge energy saving even if the efficiency of the compressor product is slightly improved, so that the improvement of the efficiency of the compressor product has important significance for energy-saving work.
compressors can be classified into positive displacement compressors and dynamic (speed) compressors according to different operating principles. Positive displacement compressors directly compress the gas in a variable volume to reduce the volume and increase the pressure of the gas, and are mainly of the piston type, sliding vane type, scroll type, screw type and the like.
The large-displacement air compressor mainly takes a centrifugal air compressor as a main part at present, and because the centrifugal air compressor is a speed type compressor and is multi-stage dry compression, the energy loss of the compressor in work is serious, the polytropic efficiency is only about 70 percent under the condition of very reasonable design, and the polytropic efficiency is only about 60 percent for a high-pressure small-flow compressor; if the working condition deviates from the designed working condition, the efficiency is lower, and the industrial air consumption is not fixed, so that the efficiency of the centrifugal air compressor in actual use is generally very low. The centrifugal air compressor is generally applied to occasions with large air consumption, and the air consumption of some large-scale chemical plants and steel mills can reach tens of thousands of cubes per minute, so that the efficiency is low, and the waste of power consumption is realized in a great sense.
SUMMERY OF THE UTILITY MODEL
To the technical problem, an object of the utility model is to provide a large discharge capacity rotary compressor, whole compressor operates steadily, and the vibration is little, and is longe-lived, efficient.
In order to achieve the above object, the present invention provides a large displacement capacity rotary compressor, which comprises a casing, wherein a central wheel and a single or a plurality of spiral groove rotors are arranged in the casing;
A circular tooth sheet is formed on the central wheel, a spiral groove is formed on the spiral groove rotor, a certain gap is formed between the circular tooth sheet and the spiral groove, the circular tooth sheet and the spiral groove are meshed and connected with each other, and the circular tooth sheet and the spiral groove are matched with the shell to finish the processes of air suction, compression and exhaust;
And the gap between the circular tooth piece and the spiral groove is sealed and cooled by liquid spraying.
Optionally, the spiral groove rotor is a cylindrical spiral groove rotor.
Optionally, the spiral groove rotor is a circular truncated cone arc spiral groove rotor.
Preferably, the circular tooth plate is independently mounted on the center wheel.
Preferably, the central wheel is driven by a main shaft to rotate, and the main shaft is connected with a motor or a steam turbine through a coupler.
Further, the spiral groove rotor is driven by a gear transmission mechanism to rotate independently;
The gear transmission mechanism comprises a first bevel gear, a second bevel gear, a first straight gear, a second straight gear and a third straight gear, wherein the first bevel gear is arranged on the main shaft, the second bevel gear is in meshed connection with the first bevel gear, the first straight gear is coaxially arranged with the second bevel gear, the second straight gear is in meshed connection with the first straight gear, the third straight gear is in meshed connection with the second straight gear, and the spiral groove rotor is driven by the third straight gear and rotates.
Optionally, the casing is provided with an air inlet, an air outlet, a liquid injection port, a liquid discharge port and a tooth piece maintenance window.
By last, the utility model discloses a big discharge capacity rotary compressor has following effect at least:
1. the efficiency is high, reaches more than 90%, and energy-conserving effect is very showing, practices thrift a large amount of electric energy, and efficiency is stable, and obvious fluctuation appears not along with the air admission and the gas condition.
2. The compressor has the advantages of long service life, stable operation, small vibration and long service life, and the circular tooth sheets are not contacted with the spiral grooves and liquid is sprayed through the transmission of the high-precision gear.
3. The single-stage pressure ratio is high, the single-stage pressure ratio can reach 1.6MPA, and the centrifugal compressor under the same pressure can be completed by 3 stages or more of compression.
4. The volume is small, and the whole compressor has simple structure, very small volume and small occupied space due to reasonable main machine structure and single-stage compression.
5. Because the gear teeth of each central wheel are provided with independent circular tooth sheets and the shell is provided with a special maintenance window, the maintenance of the main machine becomes very simple.
6. The volume flow range is wide, the volume flow range from dozens of cubes to thousands of cubes per minute can be realized, and the device is suitable for gas use in various industries.
Drawings
Fig. 1 is a schematic external view of a rotary compressor with a large displacement capacity according to a preferred embodiment of the present invention;
fig. 2 is a schematic view of the internal structure of the rotary compressor with large displacement capacity according to the preferred embodiment of the present invention, after the casing is removed;
fig. 3 is a central sectional view of a large displacement capacity rotary compressor according to a preferred embodiment of the present invention;
Fig. 4 is a schematic view of a multi-spiral groove rotor of a large displacement capacity rotary compressor according to a preferred embodiment of the present invention;
fig. 5 is a schematic view of a cylindrical spiral groove rotor of a large displacement capacity rotary compressor according to a preferred embodiment of the present invention;
Fig. 6 is a schematic view of a circular truncated cone arc-shaped spiral groove rotor of a large displacement capacity rotary compressor according to a preferred embodiment of the present invention.
In the figure, 1-main shaft, 2-first bevel gear, 3-second bevel gear, 4-first straight gear, 5-second straight gear, 6-third straight gear, 7-center gear, 8-spiral groove rotor, 8-1-cylindrical spiral groove rotor, 8-2-circular truncated cone arc spiral groove rotor, 9-shell, 9-1-air inlet, 9-2-air outlet, 9-3-liquid inlet and 10-circular tooth piece.
Detailed Description
The large displacement capacity rotary compressor of the present invention will be described in detail with reference to fig. 1 to 6.
the utility model discloses a large discharge capacity rotary compressor includes casing 9, is equipped with air inlet 9-1, gas vent 9-2 on the casing 9 respectively, annotates liquid mouth 9-3, leakage fluid dram and tooth piece maintenance window. In addition, a central wheel 7 and a single or a plurality of spiral groove rotors 8 are arranged in the shell 9, 3-n circular tooth sheets 10 are formed on the central wheel 7, and the circular tooth sheets 10 are independently arranged on the central wheel 7, so that the disassembly and the maintenance are convenient. 2-n spiral grooves are formed on the spiral groove rotor 8, and the spiral grooves are meshed with the circular tooth sheets 10 on the central wheel 7 and matched with the shell 9 to finish the processes of air suction, compression and exhaust. Each circular tooth blade 10 is engaged with the spiral groove, namely, the circular tooth blade is equivalent to a cylinder. When the circular tooth blade 10 is engaged with the spiral groove, a certain clearance is provided and the liquid injection sealing and cooling are carried out.
In addition, as shown in fig. 5 and fig. 6, the spiral groove rotor 8 of the present invention has two forms, one is a cylindrical spiral groove rotor 8-1, and the other is a circular truncated cone arc spiral groove rotor 8-2, each of the cylindrical spiral groove rotor 8-1 or the circular truncated cone arc spiral groove rotor 8-2 has 2-n spiral grooves, and is engaged with the circular teeth 10 on the center wheel 7, and the cylindrical spiral groove rotor 8-1 or the circular truncated cone arc spiral groove rotor 8-2 is rotated independently by the direction change and the speed change of the first bevel gear 2, the second bevel gear 3, the first straight gear 4, the second straight gear 5, and the third straight gear 6.
Wherein, the utility model discloses a centre wheel 7 rotates via main shaft 1 drives, main shaft 1 passes through the shaft coupling and is connected with motor or steam turbine. The helicla flute rotor independently rotates via gear drive drives, gear drive is including setting up first bevel gear 2 on the main shaft 1, with second bevel gear 3 that first bevel gear 2 meshing is connected, with first spur gear 4 of 3 coaxial settings of second bevel gear, with second spur gear 5 that first spur gear 4 meshing is connected, with third spur gear 6 that second spur gear 5 meshing is connected, the helicla flute rotor by third spur gear 6 drives and rotates.
The utility model discloses in, the during operation is connected through shaft coupling and main shaft 1 by motor or steam turbine and is driven centre wheel 7 and rotate, and main shaft 1 can make the centre wheel axle also can make helicla flute rotor shaft, and helicla flute rotor 8 independently rotates through the diversion and the variable speed of first bevel gear 2, second bevel gear 3, first straight-tooth gear 4, second straight-tooth gear 5, third straight-tooth gear 6. Because the central wheel 7 and the spiral groove rotor 8 respectively and independently operate, the circular tooth blade 10 is not contacted with the spiral groove and generates no friction.
because the utility model discloses a centre wheel 7 and single or a plurality of helicla flute rotor 8's compound mode, helicla flute rotor 8's volume is very little for helicla flute rotor 8's processing becomes very easy, thereby has realized the manufacturing of big discharge capacity rotary compressor.
The conventional volume rotary compressor comprises a sliding vane compressor, a vortex compressor and a screw compressor, and the maximum volume flow rate of the compressor exceeds 100m under the limit of the structure and the processing of a main machine3Min, the utility model discloses a large discharge capacity rotary compressor, its unique host computer structure for it is very easy to become in large discharge capacity gas compressor's manufacturing, and circular tooth piece and helicla flute contactless have the hydrojet cooling and seal, make capacity rotary compressor's efficiency higher, longe-lived.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. A rotary compressor with large discharge capacity, comprising a shell (9), characterized in that a central wheel (7) and a single or a plurality of spiral groove rotors (8) are arranged in the shell (9);
A circular tooth sheet (10) is formed on the central wheel (7), a spiral groove is formed on the spiral groove rotor (8), a certain gap is formed between the circular tooth sheet (10) and the spiral groove, the circular tooth sheet and the spiral groove are meshed and connected with each other, and the circular tooth sheet and the spiral groove are matched with the shell (9) to finish the processes of air suction, compression and exhaust;
and the gap between the circular tooth piece (10) and the spiral groove is sealed and cooled by liquid spraying.
2. Rotary compressor with large displacement volume according to claim 1, charac teri z ed in that the spiral groove rotor (8) is a cylindrical spiral groove rotor (8-1).
3. Rotary compressor with large displacement volume according to claim 1, characterized by that the helical groove rotor (8) is a truncated cone arc shaped helical groove rotor (8-2).
4. Rotary compressor with large displacement volume according to claim 1, characterised in that the circular teeth (10) are mounted independently on the centre wheel (7).
5. Rotary compressor with large displacement volume according to claim 1, characterized in that the centre wheel (7) is rotated by a main shaft (1), and the main shaft (1) is connected to an electric motor or a steam turbine by a coupling.
6. Rotary compressor with large displacement volume according to claim 5, characterized by that the helical groove rotor (8) is driven to rotate independently via a gear transmission;
Gear drive is including setting up first bevel gear (2) on main shaft (1), with second bevel gear (3) that first bevel gear (2) meshing is connected, with first spur gear (4) of the coaxial setting of second bevel gear (3), with second spur gear (5) that first spur gear (4) meshing is connected, with third spur gear (6) that second spur gear (5) meshing is connected, spiral groove rotor (8) by third spur gear (6) drive and rotate.
7. The large displacement capacity rotary compressor according to claim 1, wherein the casing (9) is provided with an air inlet (9-1), an air outlet (9-2), a liquid injection port (9-3), a liquid discharge port and a blade maintenance window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920495325.XU CN209761720U (en) | 2019-04-12 | 2019-04-12 | large-displacement volume rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920495325.XU CN209761720U (en) | 2019-04-12 | 2019-04-12 | large-displacement volume rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209761720U true CN209761720U (en) | 2019-12-10 |
Family
ID=68758932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920495325.XU Active CN209761720U (en) | 2019-04-12 | 2019-04-12 | large-displacement volume rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209761720U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838382A (en) * | 2019-04-12 | 2019-06-04 | 阜新金昊空压机有限公司 | A kind of huge discharge volume Rotary Compressor |
-
2019
- 2019-04-12 CN CN201920495325.XU patent/CN209761720U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838382A (en) * | 2019-04-12 | 2019-06-04 | 阜新金昊空压机有限公司 | A kind of huge discharge volume Rotary Compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209761720U (en) | large-displacement volume rotary compressor | |
| CN206299561U (en) | Symmetrical gear type rotary compressor | |
| CN104005954B (en) | A kind of vertical roots dry vacuum pump | |
| CN201568302U (en) | Synchronous-rotation compressing machine with rotary air inlet, air outlet and exhaust valve | |
| CN204163774U (en) | Rotor expansion machine | |
| CN112943608A (en) | Multistage large-traffic compressor | |
| CN109838382A (en) | A kind of huge discharge volume Rotary Compressor | |
| CN214092308U (en) | Two-stage screw compressor | |
| CN203926009U (en) | A kind of air-cooling type dry screw vacuum pump | |
| CN207454258U (en) | A kind of air compressor of monodentate engagement positive displacement structure | |
| CN203669935U (en) | Compound rotor power machine | |
| CN202545248U (en) | Double-cylinder rotary compressor | |
| CN107269529B (en) | Rotary vane compressor | |
| CN103541897B (en) | Case outer support rotary piston pump | |
| CN206592308U (en) | A kind of high rate turbine vacuum pump with energy recovery turbine | |
| CN214617031U (en) | Multistage large-traffic compressor | |
| CN112283108A (en) | Outer rotor rotary vane vacuum pump directly driven by permanent magnet synchronous motor | |
| CN201696097U (en) | Energy-saving and high-efficient pneumatic motor | |
| CN216950855U (en) | Variable pitch dry screw vacuum pump | |
| CN219549137U (en) | Double-screw refrigerating compressor | |
| CN203560099U (en) | Multistage roots pump | |
| CN209908759U (en) | Novel energy-efficient three leaf roots blower | |
| CN207454274U (en) | A kind of stator of the air compressor of monodentate engagement positive displacement structure | |
| CN214698325U (en) | Rotor compressor | |
| CN204283889U (en) | Micro-compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |