CN105422453A - Oil-free screw type two-stage air compressor - Google Patents
Oil-free screw type two-stage air compressor Download PDFInfo
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- CN105422453A CN105422453A CN201510917741.0A CN201510917741A CN105422453A CN 105422453 A CN105422453 A CN 105422453A CN 201510917741 A CN201510917741 A CN 201510917741A CN 105422453 A CN105422453 A CN 105422453A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 146
- 230000006835 compression Effects 0.000 claims description 100
- 238000007906 compression Methods 0.000 claims description 100
- 230000003020 moisturizing effect Effects 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000005461 lubrication Methods 0.000 description 9
- 230000001050 lubricating effect Effects 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing 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
- F04C23/001—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
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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
- 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
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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
- 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
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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
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention provides an oil-free screw type two-stage air compressor, belongs to the technical field of compressors and aims to solve the problem of poor work stability of an existing oil-free screw type two-stage air compressor. The oil-free screw type two-stage air compressor comprises an electro-motor, a first-stage compressor host machine, a second-stage compressor host machine, a first-stage water and air bucket and a second-stage water and air bucket, wherein the first-stage water and air bucket is connected with an exhausting opening of the first-stage compressor host machine; a first-stage water filter and a first-stage cooler are sequentially connected between a water outlet of the first-stage water and air bucket and a water inlet of the first-stage compressor host machine; an air outlet of the first-stage water and air bucket is connected with an air inlet of the second-stage compressor host machine; the second-stage water and air bucket is connected with the exhausting opening of the second-stage compressor host machine; a second-stage water replenishing electromagnetic valve is arranged between the water outlet of the first-stage water and air bucket and an air inlet of the second-stage compressor host machine. According to the oil-free screw type two-stage air compressor, the first-stage and second-stage compressor host machines are lubricated by circulating water, so large-compression-ratio air can be output, and the compressor is good in work stability.
Description
Technical field
The invention belongs to Compressor Technology field, relate to a kind of air compressor, particularly a kind of oil free screw formula two-stage air compressor.
Background technique
At present, China's oil-free screw compressor is very extensive in the application of the industries such as electronics, medicine, tobacco, it by arranging the Sealing of anti-oil leakage in main frame, both the impurity in lubricant oil had been avoided to enter rotor, and gas leakage can be prevented, ensure that output cleans the pressurized air without oil continuously.Chinese patent [application publication number: CN103925215A] discloses a kind of intelligent water automatic cycle portable singe screw oil-free air compressor unit, comprises main frame driving mechanism, water cooling system, water level control system, integrated gas tank assembly, water storage box assembly, air-water separation-filtration-gas storage integrated device and electric control box; Above described integrated gas tank, one end is provided with main frame driving mechanism, and the other end is provided with water cooling system.Although it can provide the clean pressurized air without oil, but this compressor is only single stage compressor, its air compressing is lower, if only adopt the progression increasing compression main frame, but between the compression main frames at different levels due to multistage compressor, there is relevance, if it is perfect not that the water circulation pipe between compression main frame at different levels is arranged, not only can not play the effect of water lubrication, also can have influence on the working stability of compressor.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose a kind of oil free screw formula two-stage air compressor, it adopts circulating water to carry out water lubrication to two stage compression machine host, can export the air of large compression ratio, and the good operating stability of compressor.
Object of the present invention realizes by following technical proposal: a kind of oil free screw formula two-stage air compressor, comprise motor, one stage of compression machine host and two-stage compression machine host, described one stage of compression machine host is connected with motor, described two-stage compression machine host is connected with one stage of compression machine host, it is characterized in that, described oil free screw formula two-stage air compressor also comprises one-level aqueous vapor bucket and secondary aqueous vapor bucket, described one-level aqueous vapor bucket is connected with the relief opening of one stage of compression machine host, one-level water filter and one-level cooler is connected with in turn between the water outlet of described one-level aqueous vapor bucket and the water intake of one stage of compression machine host, the air outlet of described one-level aqueous vapor bucket is connected with the suction port of two-stage compression machine host, described secondary aqueous vapor bucket is connected with the relief opening of two-stage compression machine host, two-stage water filtering device and secondary coolers is connected with in turn between the water outlet of described secondary aqueous vapor bucket and the water intake of two-stage compression machine host, secondary moisturizing solenoid valve is provided with between the water outlet of described one-level aqueous vapor bucket and the suction port of two-stage compression machine host.
In the technical program, air carries out twice pressurization through one stage of compression machine host and two-stage compression machine host successively, can with higher Output pressure, circulating water for lubricating compressor can at one stage of compression machine host, one-level aqueous vapor bucket, between one-level water filter and one-level cooler, and two-stage compression machine host, secondary aqueous vapor bucket, two short circles are formed between two-stage water filtering device and secondary coolers, thus respectively circulating lubrication is carried out to one stage of compression machine host and two-stage compression machine host, because this air compressor is two stage compressor, after operate longer, because the air pressure in two-stage compression machine host is greater than the air pressure in one stage of compression machine host, circulating water can be transitioned into one stage of compression machine host and one-level aqueous vapor bucket gradually by two-stage compression machine host and secondary aqueous vapor bucket, thus cause the situation of water level decreasing in secondary aqueous vapor bucket and two-stage compression machine host lack of lubrication, the technical program by arranging secondary moisturizing solenoid valve between one-level aqueous vapor bucket and two-stage compression machine host, extra circulating water can be provided to two-stage compression machine host by one-level aqueous vapor bucket, thus ensure the working stability of whole air compressor.
In above-mentioned oil free screw formula two-stage air compressor, between the suction port of described one stage of compression machine host and external water source, be connected with one-level moisturizing solenoid valve and one-level moisturizing water pump in turn.When one-level aqueous vapor bucket is after two-stage compression machine host and the moisturizing of secondary aqueous vapor bucket, the water yield of one-level aqueous vapor bucket and one stage of compression machine host can corresponding minimizing, now, by one-level moisturizing solenoid valve and one-level moisturizing water pump from the moisturizing of external water source, moisturizing can be carried out from source, avoid due to one-level aqueous vapor bucket and one stage of compression machine host lack of water and cause this air compressor job insecurity.
In above-mentioned oil free screw formula two-stage air compressor, one-level aqueous vapor bucket inlet valve is provided with between described one-level aqueous vapor bucket and external water source, be provided with secondary aqueous vapor bucket inlet valve between described secondary aqueous vapor bucket and external water source, and be in parallel between one-level aqueous vapor bucket inlet valve and secondary aqueous vapor bucket inlet valve.One-level aqueous vapor bucket and secondary aqueous vapor bucket can be supplied water by same external water source, and water lines layout is more simple, and moisturizing is more quick, better can ensure the working stability of this air compressor.
In above-mentioned oil free screw formula two-stage air compressor, described one-level aqueous vapor bucket is connected with one-level aqueous vapor bucket drain valve, described secondary aqueous vapor bucket is connected with secondary aqueous vapor bucket drain valve.One-level aqueous vapor bucket drain valve is used for one-level aqueous vapor bucket Inner eycle waste water to discharge, be respectively used to secondary aqueous vapor bucket Inner eycle waste water to discharge with secondary aqueous vapor bucket drain valve, thus keep the compressed-air actuated quality of the turbidity test of the circulating water in this air compressor and output.
In above-mentioned oil free screw formula two-stage air compressor, described one-level aqueous vapor bucket drain valve comprises one-level drain solenoid valve, one-level drain filter and one-level manual drainage valve, be in parallel with one-level manual drainage valve again after described one-level drain solenoid valve is connected with one-level drain filter, described secondary aqueous vapor bucket drain valve comprises Municipal secondary effluent solenoid valve, Municipal secondary effluent filter and two-stage hand water discharging valve, is in parallel after described Municipal secondary effluent solenoid valve is connected with Municipal secondary effluent filter with two-stage hand water discharging valve again.The aqueous vapor bucket of this air compressor all has two effluent pipelines, one tunnel is manual drainage valve, for directly discharging waste water, another road comprises drain solenoid valve and drain filter, and waste water is automatically discharged by drain solenoid valve after drain filter filters.
In above-mentioned oil free screw formula two-stage air compressor, between the suction port of described two-stage compression machine host and one-level aqueous vapor bucket, be also provided with two-stage compression main frame pressure release electromagnetic valve.When the air pressure of two-stage compression machine host inside is excessive, two-stage compression main frame pressure release electromagnetic valve is opened, make the air return of two-stage compression machine host inside in one-level aqueous vapor bucket, thus reduce the internal pressure of two-stage compression main frame, ensure the working stability of this air compressor.
In above-mentioned oil free screw formula two-stage air compressor, described oil free screw formula two-stage air compressor also comprises air filter, described air filter is connected with the suction port of one stage of compression machine host, described secondary aqueous vapor bucket is connected with air filter, and is provided with level two emptying solenoid valve and high-pressure flow regulating valve between secondary aqueous vapor bucket and air filter.The air that air filter is used for compressing filters, ensure compressed-air actuated quality, avoid the impurity in air to cause damage to this air compressor simultaneously, affect working stability and working life, secondary aqueous vapor bucket arranges high-pressure flow regulating valve, the pressurized air in secondary aqueous vapor bucket can be released, unloading machine internal pressure, it is by arranging emptying solenoid valve simultaneously, can when shutdown time delay in order to the pressure of foundation of aqueous vapor bucket inside is facilitated restarting to draining.
In above-mentioned oil free screw formula two-stage air compressor, described one-level cooler and secondary coolers are board-like water-cooling cooler.Circulating water adopts and cools streamed in board-like water-cooling cooler, good cooling results, simultaneously due to for cool and medium for lubricating is water, can adopt same external water source water inlet, structure is simple, is conducive to the working stability improving this air compressor.
In above-mentioned oil free screw formula two-stage air compressor, described one-level aqueous vapor bucket is connected with one-level water level controller, described secondary aqueous vapor bucket is connected with secondary water level controller.One-level water level controller and secondary water level controller are all electrically connected with the case for electrical apparatus of this air compressor, one-level water level controller can detect the water level of one-level aqueous vapor bucket inside, and the folding of solenoid valve on each pipeline that can be connected with one-level aqueous vapor bucket according to the water lev el control of one-level aqueous vapor bucket inside, realize the regulation and control to the water level in one-level aqueous vapor bucket, secondary water level controller can detect the water level of secondary aqueous vapor bucket inside, and the folding of solenoid valve on each pipeline that can be connected with secondary aqueous vapor bucket according to the water lev el control of secondary aqueous vapor bucket inside, realize the regulation and control to the water level in secondary aqueous vapor bucket, this air compressor is by arranging one-level water level controller and secondary water level controller can ensure the unimpeded of whole water circulation pipe, this air compressor is made to have good working stability.
In above-mentioned oil free screw formula two-stage air compressor, described one-level water level controller is identical with secondary water level controller structure, one-level water level controller and secondary water level controller include housing and several Fork LIquid Level Switch, described Fork LIquid Level Switch is vertically arranged in the inner chamber of housing, and Fork LIquid Level Switch has and to arrange down and for the fork body of sensed water level, the bottom height of each fork body is all not identical.Fork LIquid Level Switch is vertically arranged, and the fork body bottom of each Fork LIquid Level Switch is all positioned at different high points, can detect the liquid level in the aqueous vapor bucket that is connected with level switch exactly, thus ensures the working stability of aqueous vapor bucket better.
Compared with prior art, the present invention has following advantage:
1, the pressurized air of this oil free screw formula two-stage air compressor carries out twice pressurization through one stage of compression machine host and two-stage compression machine host successively, can with higher Output pressure, and can at one stage of compression machine host for the circulating water lubricated compressor, one-level aqueous vapor bucket, between one-level water filter and one-level cooler, and two-stage compression machine host, secondary aqueous vapor bucket, two short circles are formed between two-stage water filtering device and secondary coolers, thus respectively difference circulating lubrication is carried out to one stage of compression machine host and two-stage compression machine host, the compressed air quality exported is better,
2, this oil free screw formula two-stage air compressor can be detected the height of water level in aqueous vapor bucket by water level controller, and automatically control the relevant solenoid valve folding of aqueous vapor bucket, realize automatic water supplement and the draining of aqueous vapor bucket, the working stability of this oil free screw formula two-stage air compressor is better;
3, be provided with pressure release electromagnetic valve between the two-stage compression machine host of this oil free screw formula two-stage air compressor and one-level aqueous vapor bucket, safety in utilization is better.
Accompanying drawing explanation
Fig. 1 is the structural representation of this air compressor.
Fig. 2 is the system flow chart of this air compressor.
Fig. 3 is the housing of this air compressor middle water level controller and the linkage structure sectional view of upper cover plate.
Fig. 4 is the upper cover plate of this air compressor middle water level controller and the linkage structure schematic diagram of Fork LIquid Level Switch.
Fig. 5 is the worm's eye view with the upper cover plate of Tuning Fork Switch of this air compressor middle water level controller.
In figure, 1, motor; 2, one stage of compression machine host; 3, two-stage compression machine host; 4, case for electrical apparatus; 5, air filter; 6, one-level aqueous vapor bucket; 7, secondary aqueous vapor bucket; 8, one-level cooler; 9, secondary coolers; 10, one-level water filter; 11, two-stage water filtering device; 12, air outlet slit; 13, external water source; 14, one-level moisturizing solenoid valve; 15, one-level moisturizing water pump; 16, one-level aqueous vapor bucket inlet valve; 17, secondary aqueous vapor bucket inlet valve; 18, one-level aqueous vapor bucket drain valve; 181, one-level drain solenoid valve; 182, one-level drain filter; 183, one-level manual drainage valve; 19, secondary aqueous vapor bucket drain valve; 191, Municipal secondary effluent solenoid valve; 192, Municipal secondary effluent filter; 193, two-stage hand water discharging valve; 20, two-stage compression main frame pressure release electromagnetic valve; 21, level two emptying solenoid valve; 22, high-pressure flow regulating valve; 23, one-level water level controller; 231, housing; 232, Fork LIquid Level Switch; 233, body is pitched; 234, upper cover plate; 24, secondary water level controller; 25, secondary moisturizing solenoid valve.
Embodiment
Be below specific embodiments of the invention and by reference to the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
With reference to Fig. 1, the present embodiment is a kind of oil free screw formula two-stage air compressor, comprise motor 1, one stage of compression machine host 2, two-stage compression machine host 3, case for electrical apparatus 4, air filter 5, one-level aqueous vapor bucket 6, secondary aqueous vapor bucket 7 and air outlet slit 12, case for electrical apparatus 4 is for controlling the folding of each valve in this compressor host 2, one stage of compression machine host 2 is connected with motor 1, two-stage compression machine host 3 is connected with one stage of compression machine host 2, air filter 5 is connected with the suction port of one stage of compression machine host 2, one-level aqueous vapor bucket 6 is connected with the relief opening of one stage of compression machine host 2, one-level water filter 10 and one-level cooler 8 is connected with in turn between the water outlet of one-level aqueous vapor bucket 6 and the water intake of one stage of compression machine host 2, the air outlet of one-level aqueous vapor bucket 6 is connected with the suction port of two-stage compression machine host 3, secondary aqueous vapor bucket 7 is connected with the relief opening of two-stage compression machine host 3, two-stage water filtering device 11 and secondary coolers 9 is connected with in turn between the water outlet of secondary aqueous vapor bucket 7 and the water intake of two-stage compression machine host 3, secondary moisturizing solenoid valve 25 is provided with between the water outlet of one-level aqueous vapor bucket 6 and the suction port of two-stage compression machine host 3, air outlet slit 12 is connected with the air outlet of secondary aqueous vapor bucket 7.Air carries out twice pressurization through one stage of compression machine host 2 and two-stage compression machine host 3 successively, can with higher Output pressure, circulating water for lubricating compressor can at one stage of compression machine host 2, one-level aqueous vapor bucket 6, between one-level water filter 10 and one-level cooler 8, and two-stage compression machine host 3, secondary aqueous vapor bucket 7, two short circles are formed between two-stage water filtering device 11 and secondary coolers 9, thus respectively circulating lubrication is carried out to one stage of compression machine host 2 and two-stage compression machine host 3, because this air compressor is two stage compressor, after operate longer, because the air pressure in two-stage compression machine host 3 is greater than the air pressure in one stage of compression machine host 2, circulating water can be transitioned into one stage of compression machine host 2 and one-level aqueous vapor bucket 6 gradually by two-stage compression machine host 3 and secondary aqueous vapor bucket 7, thus cause the water level decreasing of in secondary aqueous vapor bucket 7 and the situation of two-stage compression machine host 3 lack of lubrication, the technical program by arranging secondary moisturizing solenoid valve between one-level aqueous vapor bucket 6 and two-stage compression machine host 3, extra circulating water can be provided to two-stage compression machine host 3 by one-level aqueous vapor bucket 6, thus ensure the working stability of whole air compressor.
Concrete structure is as follows, composition graphs 2, is connected with one-level moisturizing solenoid valve 14 and one-level moisturizing water pump 15 between the suction port of one stage of compression machine host 2 and external water source 13 in turn.When one-level aqueous vapor bucket 6 is after two-stage compression machine host 3 and the moisturizing of secondary aqueous vapor bucket 7, the water yield of one-level aqueous vapor bucket 6 and one stage of compression machine host 2 can corresponding minimizing, now, by one-level moisturizing solenoid valve 14 and one-level moisturizing water pump 15 from external water source 13 moisturizing, moisturizing can be carried out from source, avoid due to one-level aqueous vapor bucket 6 and one stage of compression machine host 2 lack of water and cause this air compressor job insecurity.
Be provided with one-level aqueous vapor bucket inlet valve 16 between one-level aqueous vapor bucket 6 and external water source 13, between secondary aqueous vapor bucket 7 and external water source 13, be provided with secondary aqueous vapor bucket inlet valve 17, and be in parallel between one-level aqueous vapor bucket inlet valve 16 and secondary aqueous vapor bucket inlet valve 17.One-level aqueous vapor bucket 6 is connected with one-level aqueous vapor bucket drain valve 18, secondary aqueous vapor bucket 7 is connected with secondary aqueous vapor bucket drain valve 19, one-level aqueous vapor bucket drain valve 18 comprises one-level drain solenoid valve 181, one-level drain filter 182 and one-level manual drainage valve 183, one-level drain solenoid valve 181 is in parallel with one-level manual drainage valve 183 after being connected with one-level drain filter 182 again, secondary aqueous vapor bucket drain valve 19 comprises Municipal secondary effluent solenoid valve 191, Municipal secondary effluent filter 192 and two-stage hand water discharging valve 193, Municipal secondary effluent solenoid valve 191 is in parallel with two-stage hand water discharging valve 193 after being connected with Municipal secondary effluent filter 192 again.Between one-level aqueous vapor bucket 6 and the external world and between secondary aqueous vapor bucket 7 and the external world, respectively there is moisturizing and discharge pipe line, the turbidity test of the lubrication water of this air compressor can be ensured, thus ensure the working stability of this air compressor.Two-stage compression main frame pressure release electromagnetic valve 20 is also provided with between the suction port of two-stage compression machine host 3 and one-level aqueous vapor bucket 6.When the air pressure of two-stage compression machine host 3 inside is excessive, two-stage compression main frame pressure release electromagnetic valve 20 is opened, make the air return of two-stage compression machine host 3 inside in one-level aqueous vapor bucket 6, thus reduce the internal pressure of two-stage compression main frame 3, ensure the working stability of this air compressor.Level two emptying solenoid valve 21 and high-pressure flow regulating valve 22 is provided with between secondary aqueous vapor bucket 7 and air filter 5.Air filter 5 filters for the air that will compress, ensure compressed-air actuated quality, avoid the impurity in air to cause damage to this air compressor simultaneously, affect working stability and working life, secondary aqueous vapor bucket 7 arranges high-pressure flow regulating valve 22, pressurized air in secondary aqueous vapor bucket 7 can be released, unloading machine internal pressure, it is by arranging level two emptying solenoid valve 21 simultaneously, can when shutdown time delay in order to the pressure of foundation of secondary aqueous vapor bucket inside 7 is facilitated restarting to draining.
One-level cooler 8 in the present embodiment and secondary coolers 9 are board-like water-cooling cooler, they adopt and cool in lubrication water streamed, good cooling results, simultaneously due to for cool and medium for lubricating is water, same external water source water inlet can be adopted, structure is simple, is conducive to the working stability improving this air compressor.
Composition graphs 3, Fig. 4 and Fig. 5, one-level aqueous vapor bucket 6 is connected with one-level water level controller 23, and secondary aqueous vapor bucket 7 is connected with secondary water level controller 24.One-level water level controller 23 is identical with secondary water level controller 24 structure, one-level water level controller 23 and secondary water level controller 24 include housing 231, several Fork LIquid Level Switch 232 and upper cover plate 234, housing 231 is circular cylinder, upper cover plate 234 is circular plate, bolt is passed through between upper cover plate 234 and housing 231, screw, the fastening pieces such as locating stud realize removably connecting, Fork LIquid Level Switch 232 is vertically arranged in the inner chamber of housing 231, the top of Fork LIquid Level Switch 232 is connected on upper cover plate 234, and Fork LIquid Level Switch 232 has and to arrange down and for the fork body 233 of sensed water level, the bottom height of each fork body 233 is all not identical.Fork LIquid Level Switch 232 in the present embodiment is the arrangement of line circular array centered by the shaft axis of housing 231.In the present embodiment the fork body 233 bottom height of each Fork LIquid Level Switch 232 in the clockwise direction helically formula raise successively one by one.The detection high order of each Fork LIquid Level Switch 232 is arranged, and is convenient to adjust water level controller and safeguard, thus ensures the working stability of aqueous vapor bucket.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (10)
1. an oil free screw formula two-stage air compressor, comprise motor (1), one stage of compression machine host (2) and two-stage compression machine host (3), described one stage of compression machine host (2) is connected with motor (1), described two-stage compression machine host (3) is connected with one stage of compression machine host (2), it is characterized in that, described oil free screw formula two-stage air compressor also comprises one-level aqueous vapor bucket (6) and secondary aqueous vapor bucket (7), described one-level aqueous vapor bucket (6) is connected with the relief opening of one stage of compression machine host (2), one-level water filter (10) and one-level cooler (8) is connected with in turn between the water outlet of described one-level aqueous vapor bucket (6) and the water intake of one stage of compression machine host (2), the air outlet of described one-level aqueous vapor bucket (6) is connected with the suction port of two-stage compression machine host (3), described secondary aqueous vapor bucket (7) is connected with the relief opening of two-stage compression machine host (3), two-stage water filtering device (11) and secondary coolers (9) is connected with in turn between the water outlet of described secondary aqueous vapor bucket (7) and the water intake of two-stage compression machine host (3), secondary moisturizing solenoid valve (25) is provided with between the water outlet of described one-level aqueous vapor bucket (6) and the suction port of two-stage compression machine host (3).
2. oil free screw formula two-stage air compressor according to claim 1, it is characterized in that, between the suction port of described one stage of compression machine host (2) and external water source (13), be connected with one-level moisturizing solenoid valve (14) and one-level moisturizing water pump (15) in turn.
3. oil free screw formula two-stage air compressor according to claim 1 and 2, it is characterized in that, one-level aqueous vapor bucket inlet valve (16) is provided with between described one-level aqueous vapor bucket (6) and external water source (13), be provided with secondary aqueous vapor bucket inlet valve (17) between described secondary aqueous vapor bucket (7) and external water source (13), and be in parallel between one-level aqueous vapor bucket inlet valve (16) and secondary aqueous vapor bucket inlet valve (17).
4. oil free screw formula two-stage air compressor according to claim 3, it is characterized in that, described one-level aqueous vapor bucket (6) is connected with one-level aqueous vapor bucket drain valve (18), described secondary aqueous vapor bucket (7) is connected with secondary aqueous vapor bucket drain valve (19).
5. oil free screw formula two-stage air compressor according to claim 4, it is characterized in that, described one-level aqueous vapor bucket drain valve (18) comprises one-level drain solenoid valve (181), one-level drain filter (182) and one-level manual drainage valve (183), be in parallel with one-level manual drainage valve (183) again after described one-level drain solenoid valve (181) is connected with one-level drain filter (182), described secondary aqueous vapor bucket drain valve (19) comprises Municipal secondary effluent solenoid valve (191), Municipal secondary effluent filter (192) and two-stage hand water discharging valve (193), be in parallel with two-stage hand water discharging valve (193) again after described Municipal secondary effluent solenoid valve (191) is connected with Municipal secondary effluent filter (192).
6. oil free screw formula two-stage air compressor according to claim 1 and 2, it is characterized in that, between the suction port of described two-stage compression machine host (3) and one-level aqueous vapor bucket (6), be also provided with two-stage compression main frame pressure release electromagnetic valve (20).
7. oil free screw formula two-stage air compressor according to claim 1 and 2, it is characterized in that, described oil free screw formula two-stage air compressor also comprises air filter (5), described air filter (5) is connected with the suction port of one stage of compression machine host (2), described secondary aqueous vapor bucket (7) is connected with air filter (5), and is provided with level two emptying solenoid valve (21) and high-pressure flow regulating valve (22) between secondary aqueous vapor bucket (7) and air filter (5).
8. oil free screw formula two-stage air compressor according to claim 1 and 2, is characterized in that, described one-level cooler (8) and secondary coolers (9) are board-like water-cooling cooler.
9. oil free screw formula two-stage air compressor according to claim 1 and 2, it is characterized in that, described one-level aqueous vapor bucket (6) is connected with one-level water level controller (23), described secondary aqueous vapor bucket (7) is connected with secondary water level controller (24).
10. oil free screw formula two-stage air compressor according to claim 9, it is characterized in that, described one-level water level controller (23) is identical with secondary water level controller (24) structure, one-level water level controller (23) and secondary water level controller (24) include housing (231) and several Fork LIquid Level Switch (232), described Fork LIquid Level Switch (232) is vertically arranged in the inner chamber of housing (231), and Fork LIquid Level Switch (232) has and to arrange down and for the fork body (233) of sensed water level, the bottom height of each fork body (233) is all not identical.
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| 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 |
| CN109026685A (en) * | 2018-07-25 | 2018-12-18 | 西安交大思源科技股份有限公司 | Air compressor system is pressed in a kind of water-cooled |
| CN111022301A (en) * | 2019-12-23 | 2020-04-17 | 东莞雅迪勤压缩机制造有限公司 | Oilless middle-high pressure air compressor |
| CN112761948A (en) * | 2021-01-30 | 2021-05-07 | 无锡索贝克精密机械有限公司 | Screw air compressor based on PLC control |
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| CN112761948A (en) * | 2021-01-30 | 2021-05-07 | 无锡索贝克精密机械有限公司 | Screw air compressor based on PLC control |
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|---|---|
| CN105422453B (en) | 2017-11-24 |
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Effective date of registration: 20180622 Address after: 317106 port town, PUBA Town, three gate County, Taizhou, Zhejiang (industrial agglomeration area) Patentee after: Zhejiang Jieneng Compress Equipment Co., Ltd. Address before: 318000 Tung Chi Yang village, 33 Zhi Zhi street, Jiaojiang District, Taizhou, Zhejiang Patentee before: Xu Daomin |