CN111022301A - Oilless middle-high pressure air compressor - Google Patents
Oilless middle-high pressure air compressor Download PDFInfo
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- CN111022301A CN111022301A CN201911346047.2A CN201911346047A CN111022301A CN 111022301 A CN111022301 A CN 111022301A CN 201911346047 A CN201911346047 A CN 201911346047A CN 111022301 A CN111022301 A CN 111022301A
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- air
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- 230000006835 compression Effects 0.000 claims abstract description 192
- 238000007906 compression Methods 0.000 claims abstract description 192
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000001816 cooling Methods 0.000 claims abstract description 29
- 239000000110 cooling liquid Substances 0.000 claims abstract description 16
- 239000003921 oil Substances 0.000 claims description 157
- 230000001050 lubricating effect Effects 0.000 claims description 19
- 230000003584 silencer Effects 0.000 claims description 5
- 239000010721 machine oil Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005461 lubrication Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/06—Combinations of two or more pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/16—Filtration; Moisture 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
- 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
- F04C23/001—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 of similar working principle
-
- 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
- F04C29/025—Lubrication; Lubricant separation using a lubricant pump
-
- 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
- F04C29/042—Heating; Cooling; Heat insulation by injecting a fluid
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Abstract
The invention discloses an oil-free medium-high pressure air compressor, which comprises a compressor unit and a cooling pipeline, wherein the compressor unit comprises a primary compression device and a secondary oil-free pressurizing compression device, the primary compression device comprises a first screw compression host and a second screw compression host which are connected in series, the secondary oil-free pressurizing compression device comprises a first pressurizing compression host and a second pressurizing compression host, an air outlet of the second screw compression host is communicated with an air inlet of the first pressurizing compression host, the cooling pipeline comprises a water inlet pipe and a water outlet pipe, cooling liquid inlets of the first screw compression host, the second screw compression host, the first pressurizing compression host and the second pressurizing compression host are respectively communicated with the water inlet pipe, the first screw compression host, the cooling liquid outlets of the second screw compression main machine, the first pressurization compression main machine and the second pressurization compression main machine are respectively communicated with the water outlet pipe. The cooling device in the oil-free medium-high pressure air compressor has the advantages of simple structure and good cooling effect.
Description
Technical Field
The invention relates to the field of power equipment, in particular to an oil-free medium-high pressure air compressor.
Background
An air compressor is a device for compressing air, and is similar to a water pump in construction, and most air compressors operate in a reciprocating piston type, a rotary vane type, or a rotary screw type.
The air compressor comprises two links of air compression and air pressurization in the compression operation, the two links respectively compress air to enable the pressure and the temperature of the air to be increased, and therefore cooling devices are arranged in the two links. In the air compression link, one primary screw compression main machine is usually adopted to compress air, if high-pressure gas needs to be output, a plurality of sets of primary screw compression main machines need to be added, but the heat generated during the operation of the equipment is more, correspondingly, higher requirements are put forward on a cooling device, but the current cooling device has a complex structure and poor cooling effect, and the working requirements of the equipment are difficult to adapt.
Therefore, there is a need for an oil-free medium-high pressure air compressor with a simple cooling device structure and good cooling effect to overcome the above-mentioned drawbacks.
Disclosure of Invention
The invention aims to provide an oil-free medium-high pressure air compressor with a simple cooling device structure and a good cooling effect.
In order to achieve the above object, the oil-free medium-high pressure air compressor of the present invention comprises a compressor unit and a cooling pipeline for cooling the compressor unit, wherein the compressor unit comprises a primary compression device and a secondary oil-free supercharging compression device for supercharging air compressed by the primary compression device, the primary compression device comprises a first screw compression host and a second screw compression host connected in series, an air outlet of the first screw compression host is communicated with an air inlet of the second screw compression host, the secondary oil-free supercharging compression device comprises a first supercharging compression host and a second supercharging compression host for compressing and supercharging air compressed by the first supercharging compression host again, an air outlet of the second screw compression host is communicated with an air inlet of the first supercharging compression host, the cooling pipeline comprises a water inlet pipe and a water outlet pipe, the cooling liquid inlets of the first screw compression host, the second screw compression host, the first supercharging compression host and the second supercharging compression host are respectively communicated with the water inlet pipe, and the cooling liquid outlets of the first screw compression host, the second screw compression host, the first supercharging compression host and the second supercharging compression host are respectively communicated with the water outlet pipe.
Preferably, the primary compression device further comprises a screw primary gas cooler and a screw secondary gas cooler, the gas outlet of the first screw compression main machine is communicated with the gas inlet of the screw primary gas cooler, the gas outlet of the screw primary gas cooler is communicated with the gas inlet of the second screw compression main machine, the gas outlet of the second screw compression main machine is communicated with the gas inlet of the screw secondary gas cooler, and the gas outlet of the screw secondary gas cooler is communicated with the gas inlet of the first booster compression main machine.
Preferably, the second-stage oil-free booster compression device further comprises a booster first-stage gas cooler and a booster second-stage gas cooler, wherein a gas outlet of the first booster compression host is communicated with a gas inlet of the booster first-stage gas cooler, a gas outlet of the booster first-stage gas cooler is communicated with a gas inlet of the second booster compression host, and a gas outlet of the second booster compression host is communicated with a gas inlet of the booster second-stage gas cooler.
Preferably, a first-stage gas-water separator is installed between the first screw rod gas cooler and the second screw rod compression main machine, and a second-stage gas-water separator is installed between the second screw rod gas cooler and the first pressurization compression main machine.
Preferably, a third-stage gas-water separator is installed between the first booster-stage gas cooler and the second booster-stage compression main machine, and a gas outlet of the second booster-stage gas cooler is communicated with a fourth-stage gas-water separator.
Preferably, a silencer and a damper are respectively installed between the first screw compression main machine and the screw primary air cooler and between the second screw compression main machine and the screw secondary air cooler.
Preferably, the oil-free medium-high pressure air compressor further comprises a secondary lubricating device for supplying oil to and lubricating a crankcase in the secondary oil-free booster compression device, the secondary lubricating device comprises a booster oil pump, a booster oil cooler and a booster oil filter, an oil inlet of the booster oil pump is communicated with an oil outlet of the crankcase, an oil outlet of the booster oil pump is communicated with an oil inlet of the booster oil cooler, an oil outlet of the booster oil cooler is communicated with an oil inlet of the booster oil filter, and an oil outlet of the booster oil filter is communicated with an oil inlet of the crankcase.
Preferably, the oil-free medium-high pressure air compressor of the invention further comprises a primary lubricating device for supplying oil to lubricate the primary compression device, the primary lubricating device comprises a screw oil pool, a screw oil pump, a screw oil cooler, a screw oil filter and an oil distributor, an oil inlet of the screw oil pump is communicated with the screw oil pool, an oil outlet of the screw oil pump is communicated with an oil inlet of the screw oil cooler, an oil outlet of the screw oil cooler is communicated with an oil inlet of the screw oil filter, an oil outlet of the screw oil filter is communicated with an oil inlet of the oil distributor, oil outlets of the oil distributor are respectively communicated with bearing chambers of the first screw compression main machine and the second screw compression main machine, oil outlets of the bearing chambers of the first screw compression main machine and the second screw compression main machine are respectively communicated with the screw oil pool, and the pressure relief valve on the oil distributor is also communicated with the screw machine oil pool.
Preferably, cooling inlets of the screw primary gas cooler, the screw secondary gas cooler, the booster primary gas cooler, the booster secondary gas cooler, the booster oil cooler and the screw oil cooler are respectively communicated with the water inlet pipe, and cooling liquid outlets of the screw primary gas cooler, the screw secondary gas cooler, the booster primary gas cooler, the booster secondary gas cooler, the booster oil cooler and the screw oil cooler are respectively communicated with the water outlet pipe.
Preferably, an air filter and an air inlet valve are further installed at an air inlet of the first screw compression main machine.
Compared with the prior art, the oil-free medium and high pressure air compressor has the advantages that the cooling liquid inlets of the first screw compression host, the second screw compression host, the first supercharging compression host and the second supercharging compression host are respectively communicated with the water inlet pipe, the cooling liquid outlets of the first screw compression host, the second screw compression host, the first supercharging compression host and the second supercharging compression host are respectively communicated with the water outlet pipe, and the heat generated during working can be effectively and quickly discharged due to the fact that the first screw compression host, the second screw compression host, the first supercharging compression host and the second supercharging compression host are respectively and independently communicated with the cooling pipeline.
Drawings
Fig. 1 is a schematic view of the piping connection of the oil-free medium-high pressure air compressor of the present invention.
Detailed Description
In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.
As shown in fig. 1, the oil-free medium-high pressure air compressor 100 of the present invention includes a compressor unit 10 and a cooling pipeline 20 for cooling the compressor unit 10, the compressor unit 10 includes a primary compression device 11 and a secondary oil-free supercharged compression device 12 for supercharging air compressed by the primary compression device 11, the primary compression device 11 includes a first screw compression host 111 and a second screw compression host 112 connected in series, an air outlet of the first screw compression host 111 is communicated with an air inlet of the second screw compression host 112, the secondary oil-free supercharged compression device 12 includes a first supercharged compression host 121 and a second supercharged compression host 122 for recompressing and supercharging air compressed by the first supercharged compression host 121, an air outlet of the second screw compression host 112 is communicated with an air inlet of the first supercharged compression host 121, the cooling pipeline 20 includes a water inlet pipe 21 and a water outlet pipe 22, the cooling liquid inlets of the first screw compression host 111, the second screw compression host 112, the first supercharging compression host 121 and the second supercharging compression host 122 are respectively communicated with the water inlet pipe 21, and the cooling liquid outlets of the first screw compression host 111, the second screw compression host 112, the first supercharging compression host 121 and the second supercharging compression host 122 are respectively communicated with the water outlet pipe 22, so that the heat generated during working can be effectively and quickly discharged, and the oilless medium-high pressure air compressor 100 has a good cooling effect, and is easy to install and maintain due to the relatively simple structure of the cooling pipeline 20. In addition, since the primary compression device 11 includes two sets of screw compression main machines connected in series, the pressure of the compressed air output from the primary compression device 11 is relatively high, so that the compressor unit 10 can finally output compressed air with higher pressure, and the compressor unit is suitable for being used in occasions of outputting high-pressure gas. For example, the first screw compression main unit 111 and the second screw compression main unit 112 are driven by a motor through a step-up gear box, each oil-free twin-screw main unit, and the first boost compression main unit 121 and the second boost compression main unit 122, each oil-free compression piston main unit, are driven by a motor through a belt transmission device, but not limited thereto. Specifically, an air filter 119 and an air intake valve 110 are further installed at an air inlet of the first screw compression master 111 to purify air input into the primary compression device 11. More specifically, the following:
as shown in fig. 1, the primary compression device 11 further includes a screw primary air cooler 113 and a screw secondary air cooler 114, an air outlet of the first screw compression main unit 111 is communicated with an air inlet of the screw primary air cooler 113, an air outlet of the screw primary air cooler 113 is communicated with an air inlet of the second screw compression main unit 112, an air outlet of the second screw compression main unit 112 is communicated with an air inlet of the screw secondary air cooler 114, an air outlet of the screw secondary air cooler 114 is communicated with an air inlet of the first booster compression main unit 121, and the screw primary air cooler 113 and the screw secondary air cooler 114 can cool down compressed air, which is beneficial to improving compression efficiency and energy efficiency ratio of the equipment. Specifically, the two-stage oil-free booster compressor 12 further includes a booster first-stage gas cooler 123 and a booster second-stage gas cooler 124, the gas outlet of the first booster compressor 121 is communicated with the gas inlet of the booster first-stage gas cooler 123, the gas outlet of the booster first-stage gas cooler 123 is communicated with the gas inlet of the second booster compressor 122, the gas outlet of the second booster compressor 122 is communicated with the gas inlet of the booster second-stage gas cooler 124, the booster first-stage gas cooler 123 and the booster second-stage gas cooler 124 can cool the compressed gas after being boosted, the exhaust temperature is effectively reduced, and the compression efficiency and the energy efficiency ratio of the equipment are improved. Preferably, the two-stage oil-free booster compression device 12 includes at least two stages of oil-free compression, and is connected in series with the second booster compression main unit 122 after the first booster compression main unit 121, so as to ensure stability of the air supply amount and the air supply pressure. More specifically, a first-stage gas-water separator 115 is installed between the screw first-stage gas cooler 113 and the second screw main compression machine 112, a second-stage gas-water separator 116 is installed between the screw second-stage gas cooler 114 and the first main booster compression machine 121, a third-stage gas-water separator 125 is installed between the first booster gas cooler 123 and the second main booster compression machine 122, an air outlet of the second booster gas cooler 124 is communicated with a fourth-stage gas-water separator 126, and the arranged gas-water separator can ensure that condensed water in compressed air before entering a following compressor is separated so as not to damage the following compressor. In order to reduce or eliminate the sound or vibration generated by primary compression device 11 during operation, a muffler 117 and a damper 118 are installed between first screw compression main unit 111 and screw primary air cooler 113, and between second screw compression main unit 112 and screw secondary air cooler 114, respectively.
As shown in fig. 1, the oil-free medium-high pressure air compressor 100 of the present invention further includes a secondary lubricating device 30 for supplying oil to and lubricating the crankcase 120 of the secondary oil-free pressurized compression device 12 and a primary lubricating device 40 for supplying oil to and lubricating the primary compression device 11, the secondary lubricating device 30 includes a pressurized oil pump 31, a pressurized oil cooler 32 and a pressurized oil filter 33, an oil inlet of the pressurized oil pump 31 is communicated with an oil outlet of the crankcase 120, an oil outlet of the pressurized oil pump 31 is communicated with an oil inlet of the pressurized oil cooler 32, an oil outlet of the pressurized oil cooler 32 is communicated with an oil inlet of the pressurized oil filter 33, and an oil outlet of the pressurized oil filter 33 is communicated with an oil inlet of the crankcase 120, so that the secondary lubricating device 30 injects a circulating lubricating fluid into the crankcase 120, and ensures that the secondary oil-free pressurized compression. In order to facilitate observation and control of the lubrication oil path, the secondary lubrication device 30 further includes a secondary oil pressure sensor 34 and a secondary oil temperature sensor 35 which are communicated with the oil outlet of the pressurized oil filter 33. Specifically, the primary lubricating device 40 includes a screw oil pool 41, a screw oil pump 42, a screw oil cooler 43, a screw oil filter 44 and an oil distributor 45, an oil inlet of the screw oil pump 42 is communicated with the screw oil pool 41, an oil outlet of the screw oil pump 42 is communicated with an oil inlet of the screw oil cooler 43, an oil outlet of the screw oil cooler 43 is communicated with an oil inlet of the screw oil filter 44, an oil outlet of the screw oil filter 44 is communicated with an oil inlet of the oil distributor 45, oil outlets of the oil distributor 45 are respectively communicated with a bearing chamber of the first screw compression main machine 111 and an oil inlet of a bearing chamber of the second screw compression main machine 112, oil outlets of the bearing chambers of the first screw compression main machine 111 and the second screw compression main machine 112 are respectively communicated with the screw oil pool 41, the oil distributor 45 is also communicated with the screw oil pool 41, so that the primary lubricating device 40 injects a circulating lubricating fluid into the primary compression device 11, the primary compression device 11 is guaranteed to work stably and smoothly, lubricating oil is distributed by the oil distributor 45, and the lubricating oil circuit is guaranteed to be orderly and stably balanced. In order to facilitate observation and control of the lubrication oil path, the oil distributor 45 is provided with an oil temperature sensor 46 and an oil pressure sensor 47. Furthermore, cooling liquid inlets of the screw primary gas cooler 113, the screw secondary gas cooler 114, the booster primary gas cooler 123, the booster secondary gas cooler 124, the booster oil cooler 32 and the screw oil cooler 43 are respectively communicated with the water inlet pipe 21, and cooling liquid outlets of the screw primary gas cooler 113, the screw secondary gas cooler 114, the booster primary gas cooler 123, the booster secondary gas cooler 124, the booster oil cooler 32 and the screw oil cooler 43 are respectively communicated with the water outlet pipe 22, so as to ensure the cooling efficiency.
In order to collect the condensed water generated by the devices during operation, the oil-free middle-high pressure air compressor 100 of the present invention further includes a condensed water collecting pipe 50, and the condensed water outlets of the first-stage gas-water separator 115, the second-stage gas-water separator 116, the third-stage gas-water separator 125, and the fourth-stage gas-water separator 126 are respectively communicated with the condensed water collecting pipe 50. A drain control solenoid valve 60, a drain pneumatic valve 70 and a check valve are respectively installed at the condensed water outlets of the first-stage gas-water separator 115, the second-stage gas-water separator 116, the third-stage gas-water separator 125 and the fourth-stage gas-water separator 126. In addition, the oil-free medium-high pressure air compressor 100 of the present invention further comprises a blowdown control device 80, wherein the blowdown control device 80 comprises a pressure reducing valve 81, a check valve 82 and an instrument air tank 83 which are communicated with the air outlet of the secondary air-water separator 116 and are communicated with each other in sequence, wherein the air outlet of the instrument air tank 83 is communicated with the air inlet of each blowdown control solenoid valve 60, so that the condensate water generated when the oil-free medium-high pressure air compressor 100 outputs compressed air normally can be discharged to the condensate water collecting pipe 50 through multiple pipelines. In addition, the inlet of the control gas path of the gas inlet valve 110 is communicated with the gas outlet of the secondary gas-water separator 116, so that the gas inlet valve 110 can be kept in an open state when the medium-high pressure compressor 100 works, and the gas inlet valve 110 is correspondingly in a closed state when the medium-high pressure compressor 100 stops, thereby realizing automatic opening and closing of gas inlet. A silencer 1101 is also installed at the outlet of the control air path of the air inlet valve 110, the silencer 1101 is communicated with the silencer 117 at the air outlet of the second screw compressor main unit 112 through a vent pipeline, and when the oil-free medium-high pressure air compressor 100 is in an unloading mode, venting and silencing treatment is performed on a very small amount of compressed air, so that no-load operation of the oil-free medium-high pressure air compressor 100 is realized, and energy consumption is reduced. In order to facilitate observation and monitoring of the temperature and pressure on each pipeline, a plurality of temperature sensors, pressure sensors and pressure gauges (not all labeled in the figure) are arranged on each pipeline according to actual needs, but not limited thereto.
The operation principle of the oil-free medium-high pressure air compressor 100 of the present invention will be explained with reference to fig. 1: in a working state, the first screw compression main machine 111 inputs air through the air filter 119, the air is compressed by the first screw compression main machine 111 and then enters the screw primary air cooler 113 and the primary air-water separator 115 to be cooled and separated from water, the separated compressed air enters the second screw compression main machine 112 to be compressed again, the compressed air after being compressed again enters the screw secondary air cooler 114 and the secondary air-water separator 116 to be cooled and separated from water, the separated compressed air enters the first booster compression main machine 121 to be compressed for the second time, the compressed air after being compressed for the second time enters the booster primary air cooler 123 and the tertiary air-water separator 125 to be cooled and separated from water, the separated compressed air enters the second booster compression main machine 122 to be compressed again, and the compressed air discharged from the air outlet of the second booster compression main machine 122 enters the booster secondary air to be compressed The cooler 124 and the four-stage gas-water separator 126 are output to the outside, and the working principle is as described above.
Compared with the prior art, the cooling liquid inlets of the first screw compression host 111, the second screw compression host 112, the first supercharging compression host 121 and the second supercharging compression host 122 are respectively communicated with the water inlet pipe 21, and the cooling liquid outlets of the first screw compression host 111, the second screw compression host 112, the first supercharging compression host 121 and the second supercharging compression host 122 are respectively communicated with the water outlet pipe 22, so that the heat generated during working can be effectively and quickly discharged because the first screw compression host 111, the second screw compression host 112, the first supercharging compression host 121 and the second supercharging compression host 122 are respectively and independently communicated with the cooling pipeline 20, and therefore, the cooling effect of the oil-free air compressor 100 is good, and the cooling pipeline 20 is relatively simple in structure and easy to install and overhaul.
The above disclosure is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, so that the appended claims are intended to cover all such modifications and changes as fall within the true spirit of the invention.
Claims (10)
1. The utility model provides an oilless medium-high pressure air compressor, includes compressor unit and is used for right the compressor unit carries out refrigerated cooling pipeline, compressor unit include primary compression device and be used for with the oilless booster compressor unit of second grade of air boost after the primary compression device compression, its characterized in that, primary compression device includes two series connection's first screw rod compression host computer and second screw rod compression host computer, the gas outlet of first screw rod compression host computer communicate in the air inlet of second screw rod compression host computer, the oilless booster compressor unit of second grade includes first booster compressor host computer and is used for the second booster compressor host computer of air recompression pressure boost that compresses first booster compressor host computer, the gas outlet of second screw rod compression host computer communicate in the air inlet of first booster compressor host computer, the cooling pipeline includes inlet tube and outlet pipe, the cooling liquid inlets of the first screw compression host, the second screw compression host, the first supercharging compression host and the second supercharging compression host are respectively communicated with the water inlet pipe, and the cooling liquid outlets of the first screw compression host, the second screw compression host, the first supercharging compression host and the second supercharging compression host are respectively communicated with the water outlet pipe.
2. An oil-free medium-high pressure air compressor as claimed in claim 1, wherein the primary compression device further comprises a primary screw air cooler and a secondary screw air cooler, the air outlet of the primary screw compression main machine is communicated with the air inlet of the primary screw air cooler, the air outlet of the primary screw air cooler is communicated with the air inlet of the secondary screw compression main machine, the air outlet of the secondary screw compression main machine is communicated with the air inlet of the secondary screw air cooler, and the air outlet of the secondary screw air cooler is communicated with the air inlet of the primary pressurizing compression main machine.
3. An oil-free medium-high pressure air compressor as claimed in claim 2, wherein the second-stage oil-free booster compression device further comprises a booster first-stage air cooler and a booster second-stage air cooler, the air outlet of the first booster compression host is communicated with the air inlet of the booster first-stage air cooler, the air outlet of the booster first-stage air cooler is communicated with the air inlet of the second booster compression host, and the air outlet of the second booster compression host is communicated with the air inlet of the booster second-stage air cooler.
4. An oil-free medium-high pressure air compressor as claimed in claim 2, wherein a first-stage gas-water separator is installed between the screw primary gas cooler and the second screw compression main machine, and a second-stage gas-water separator is installed between the screw secondary gas cooler and the first supercharging compression main machine.
5. An oil-free medium-high pressure air compressor as claimed in claim 3, wherein a third-stage gas-water separator is installed between the booster first-stage air cooler and the second booster compression main machine, and the air outlet of the booster second-stage air cooler is communicated with a fourth-stage gas-water separator.
6. An oil-free medium-high pressure air compressor as claimed in claim 2, wherein a silencer and a damper are respectively installed between the first main screw compression unit and the screw primary air cooler and between the second main screw compression unit and the screw secondary air cooler.
7. An oilless medium-high pressure air compressor as claimed in claim 3, further comprising a second-stage lubricating device for supplying oil to lubricate a crankcase in the second-stage oilless booster compression device, wherein the second-stage lubricating device comprises a booster oil pump, a booster oil cooler and a booster oil filter, an oil inlet of the booster oil pump is communicated with an oil outlet of the crankcase, an oil outlet of the booster oil pump is communicated with an oil inlet of the booster oil cooler, an oil outlet of the booster oil cooler is communicated with an oil inlet of the booster oil filter, and an oil outlet of the booster oil filter is communicated with an oil inlet of the crankcase.
8. An oilless medium-high pressure air compressor as claimed in claim 7, further comprising a primary lubricating device for supplying oil to lubricate the primary compression device, wherein the primary lubricating device comprises a screw oil sump, a screw oil pump, a screw oil cooler, a screw oil filter and an oil distributor, an oil inlet of the screw oil pump is communicated with the screw oil sump, an oil outlet of the screw oil pump is communicated with an oil inlet of the screw oil cooler, an oil outlet of the screw oil cooler is communicated with an oil inlet of the screw oil filter, an oil outlet of the screw oil filter is communicated with an oil inlet of the oil distributor, oil outlets of the oil distributor are respectively communicated with the bearing chamber of the first screw compression main unit and the oil inlet of the bearing chamber of the second screw compression main unit, and oil outlets of the bearing chamber of the first screw compression main unit and the bearing chamber of the second screw compression main unit are respectively communicated with the screw oil sump And the pressure relief valve on the oil distributor is also communicated with the screw machine oil pool.
9. The oil-free medium-high pressure air compressor according to claim 8, wherein cooling inlets of the screw primary air cooler, the screw secondary air cooler, the booster primary air cooler, the booster secondary air cooler, the booster oil cooler and the screw oil cooler are respectively communicated with the water inlet pipe, and cooling liquid outlets of the screw primary air cooler, the screw secondary air cooler, the booster primary air cooler, the booster secondary air cooler, the booster oil cooler and the screw oil cooler are respectively communicated with the water outlet pipe.
10. An oil-free medium-high pressure air compressor as claimed in claim 1, wherein an air filter and an air inlet valve are further installed at the air inlet of the first screw compression main machine.
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Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2613849A1 (en) * | 1975-03-31 | 1976-10-14 | Sullair Corp | SCREW COMPRESSOR FOR COMPRESSING AIR AND PROCESS FOR COOLING A SCREW COMPRESSOR |
| CN103277311A (en) * | 2013-05-14 | 2013-09-04 | 宁波鲍斯能源装备股份有限公司 | Split type two-stage medium-pressure air compressor unit |
| CN103362813A (en) * | 2013-07-22 | 2013-10-23 | 徐道敏 | Two-stage compression single-screw air compressor and work method thereof |
| CN203297099U (en) * | 2013-05-14 | 2013-11-20 | 宁波鲍斯能源装备股份有限公司 | Split type two-stage medium-pressure air compressor unit |
| CN203384051U (en) * | 2013-07-22 | 2014-01-08 | 徐道敏 | Two-stage compression single-screw air compressor |
| CN204061174U (en) * | 2014-05-23 | 2014-12-31 | 英诺伟特（昆山）能源机械有限公司 | Air compressor is pressed in integral type screw rod |
| CN105275810A (en) * | 2014-05-23 | 2016-01-27 | 英诺伟特（昆山）能源机械有限公司 | Integrated-screw medium-pressure air compressor |
| CN105422424A (en) * | 2015-11-17 | 2016-03-23 | 北京伯肯节能科技股份有限公司 | Medium-pressure and high-pressure air compressor set |
| CN105422453A (en) * | 2015-12-10 | 2016-03-23 | 徐道敏 | Oil-free screw type two-stage air compressor |
| CN205190216U (en) * | 2015-12-15 | 2016-04-27 | 意朗实业（上海）有限公司 | Whelk pole piston booster compressor is not had in environmental protection |
| CN205478304U (en) * | 2016-03-17 | 2016-08-17 | 上海佳力士机械有限公司 | Single screw air compressor of lubricated no oily middling pressure two -stage compression of water |
| CN205605428U (en) * | 2016-05-18 | 2016-09-28 | 广东大满贯压缩机有限公司 | Completely without oily booster compressor |
| CN106089659A (en) * | 2016-08-09 | 2016-11-09 | 中山市艾能机械有限公司 | Screw compression plunger booster air-cooled integral type air compressor machine |
| CN205744340U (en) * | 2016-06-25 | 2016-11-30 | 中山市艾能机械有限公司 | A kind of integral type mesohigh compressor of screw compression oil-free plunger booster |
| CN205876671U (en) * | 2016-08-09 | 2017-01-11 | 中山市艾能机械有限公司 | Air -cooled screw compression piston pressure boost air compressor machine |
| CN106438364A (en) * | 2016-12-13 | 2017-02-22 | 萨震压缩机（上海）有限公司 | Compression ratio adjustable two-stage energy-saving air compressor |
| CN206280252U (en) * | 2016-12-13 | 2017-06-27 | 萨震压缩机（上海）有限公司 | The adjustable two-stage energy-saving air compressor of pressure ratio |
| CN206785636U (en) * | 2017-06-15 | 2017-12-22 | 宁波鲍斯能源装备股份有限公司 | Natural gas compressor system |
| CN208040702U (en) * | 2018-04-12 | 2018-11-02 | 广东正力精密机械有限公司 | A kind of gas compressor |
| CN109386456A (en) * | 2017-08-13 | 2019-02-26 | 佛山市锐狮科技有限公司 | A kind of oil-free booster compressor |
| CN211924433U (en) * | 2019-12-23 | 2020-11-13 | 东莞雅迪勤压缩机制造有限公司 | Oilless middle-high pressure air compressor |
-
2019
- 2019-12-23 CN CN201911346047.2A patent/CN111022301B/en active Active
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2613849A1 (en) * | 1975-03-31 | 1976-10-14 | Sullair Corp | SCREW COMPRESSOR FOR COMPRESSING AIR AND PROCESS FOR COOLING A SCREW COMPRESSOR |
| CN103277311A (en) * | 2013-05-14 | 2013-09-04 | 宁波鲍斯能源装备股份有限公司 | Split type two-stage medium-pressure air compressor unit |
| CN203297099U (en) * | 2013-05-14 | 2013-11-20 | 宁波鲍斯能源装备股份有限公司 | Split type two-stage medium-pressure air compressor unit |
| CN103362813A (en) * | 2013-07-22 | 2013-10-23 | 徐道敏 | Two-stage compression single-screw air compressor and work method thereof |
| CN203384051U (en) * | 2013-07-22 | 2014-01-08 | 徐道敏 | Two-stage compression single-screw air compressor |
| CN204061174U (en) * | 2014-05-23 | 2014-12-31 | 英诺伟特（昆山）能源机械有限公司 | Air compressor is pressed in integral type screw rod |
| CN105275810A (en) * | 2014-05-23 | 2016-01-27 | 英诺伟特（昆山）能源机械有限公司 | Integrated-screw medium-pressure air compressor |
| CN105422424A (en) * | 2015-11-17 | 2016-03-23 | 北京伯肯节能科技股份有限公司 | Medium-pressure and high-pressure air compressor set |
| CN105422453A (en) * | 2015-12-10 | 2016-03-23 | 徐道敏 | Oil-free screw type two-stage air compressor |
| CN205190216U (en) * | 2015-12-15 | 2016-04-27 | 意朗实业（上海）有限公司 | Whelk pole piston booster compressor is not had in environmental protection |
| CN205478304U (en) * | 2016-03-17 | 2016-08-17 | 上海佳力士机械有限公司 | Single screw air compressor of lubricated no oily middling pressure two -stage compression of water |
| CN205605428U (en) * | 2016-05-18 | 2016-09-28 | 广东大满贯压缩机有限公司 | Completely without oily booster compressor |
| CN205744340U (en) * | 2016-06-25 | 2016-11-30 | 中山市艾能机械有限公司 | A kind of integral type mesohigh compressor of screw compression oil-free plunger booster |
| CN106089659A (en) * | 2016-08-09 | 2016-11-09 | 中山市艾能机械有限公司 | Screw compression plunger booster air-cooled integral type air compressor machine |
| CN205876671U (en) * | 2016-08-09 | 2017-01-11 | 中山市艾能机械有限公司 | Air -cooled screw compression piston pressure boost air compressor machine |
| CN106438364A (en) * | 2016-12-13 | 2017-02-22 | 萨震压缩机（上海）有限公司 | Compression ratio adjustable two-stage energy-saving air compressor |
| CN206280252U (en) * | 2016-12-13 | 2017-06-27 | 萨震压缩机（上海）有限公司 | The adjustable two-stage energy-saving air compressor of pressure ratio |
| CN206785636U (en) * | 2017-06-15 | 2017-12-22 | 宁波鲍斯能源装备股份有限公司 | Natural gas compressor system |
| CN109386456A (en) * | 2017-08-13 | 2019-02-26 | 佛山市锐狮科技有限公司 | A kind of oil-free booster compressor |
| CN208040702U (en) * | 2018-04-12 | 2018-11-02 | 广东正力精密机械有限公司 | A kind of gas compressor |
| CN211924433U (en) * | 2019-12-23 | 2020-11-13 | 东莞雅迪勤压缩机制造有限公司 | Oilless middle-high pressure air compressor |
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