CN210317676U - Water lubrication air compression device - Google Patents
Water lubrication air compression device Download PDFInfo
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- CN210317676U CN210317676U CN201920931296.7U CN201920931296U CN210317676U CN 210317676 U CN210317676 U CN 210317676U CN 201920931296 U CN201920931296 U CN 201920931296U CN 210317676 U CN210317676 U CN 210317676U
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Abstract
The utility model belongs to the technical field of mechanical equipment, in particular to a water lubrication air compression device, which comprises an air filter, a compressor body, a motor, a water-air barrel, a cooler, a water filter and a control cabinet; the compressor body is connected with the motor, air is sucked into the compressor body from an air inlet through an air filter and an air inlet valve to be compressed, the compressor body is connected with the bottom end of one side of the water vapor bucket through a one-way valve through a pipeline, and a temperature sensor is arranged on the connected pipeline. The utility model discloses can be when shutting down, utilize remaining compressed air in the water vapor bucket to blow off the inside moisture of compressor body, can deposit under the environment that is less than 0 ℃ in order to guarantee this water lubrication air compression system, prevent that water from condensing and causing the spare part trouble, warm water can be mended into simultaneously when the moisturizing, guarantee that the machine can normally start and operate under the environment that is less than 0 ℃, can discharge the water in the system as far as possible when shutting down, prevent that the temperature from crossing when low water freezes in the system and making spare part damage.
Description
Technical Field
The utility model belongs to the technical field of mechanical equipment, concretely relates to lubricated air compression device of water.
Background
Along with the emphasis on ecological protection in China, the environmental protection requirement on general equipment is higher and higher, oil-free air compressors become more and more popular, water lubrication air compressors also occupy larger specific gravity therein, but the limitation of low temperature makes the water lubrication air compressors very large, not only can not run in the environment below the freezing point, but also can cause machine failure even if improper water is stored for freezing. It becomes important to design a water lubricated air compression system that can be stored and used in low temperature environments.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a lubricated air compressor unit of water has done certain change on the control line on the basis of original water lubrication air compressor machine, and the fault rate is low, and the reliability is high.
In order to achieve the above object, the utility model provides a following technical scheme: a water lubrication air compression device comprises an air filter, a compressor body, a motor, a water-air barrel, a cooler, a water filter and a control cabinet; the compressor body is connected with the motor, air is sucked into the compressor body from an air inlet through an air filter and an air inlet valve to be compressed, the compressor body is connected with the bottom end of one side of the water vapor barrel through a pipeline through a one-way valve, and a temperature sensor is arranged on the connected pipeline;
the water-gas barrel is provided with a pressure gauge, a safety valve and a water level switch, the top of the water-gas barrel is connected with a compressed air outlet pipe, and the compressed air outlet pipe is provided with a minimum pressure valve and a pressure sensor; the compressed air discharged by the compressor body is separated in the water-air barrel and discharged through the minimum pressure valve;
the bottom end of the other side of the water-gas barrel is connected with the compressor body through a cooler, a water filter, a water cut-off electromagnetic valve and a water flow switch by pipelines; a cooling fan is arranged on the cooler; the lubricating water in the water-air barrel is cooled by the cooler and the cooling fan, filtered by the water filter and finally returned to the compressor body by the normally closed electromagnetic valve and the water flow switch.
Preferably, the water bucket is connected with the lubricating water inlet through a lubricating water inlet pipeline and a second manual ball valve on one side, and the compressor body is connected with the lubricating water inlet through a water supplementing pipeline and a first one-way check valve and a water supplementing electromagnetic valve.
Preferably, the bottom of the water-air bucket is connected with a lubricating water outlet through a lubricating water discharge pipeline and a water discharge electromagnetic valve; the bottom of the compressor body is connected with a lubricating water outlet through a drainage pipeline via a shutdown drainage electromagnetic valve and a first manual ball valve.
Preferably, the top end of the water vapor barrel is connected with an air inlet valve through a pipeline and a discharge solenoid valve; the top of the water-gas barrel is connected with the compressor body through a pipeline via a shutdown emptying electromagnetic valve and a second one-way check valve.
Preferably, the motor, the temperature sensor, the water level switch, the pressure sensor, the cooling fan, the water cut-off electromagnetic valve, the water flow switch, the shutdown emptying electromagnetic valve, the discharge electromagnetic valve, the water replenishing electromagnetic valve, the water discharge electromagnetic valve and the shutdown water discharge electromagnetic valve are respectively connected with the control cabinet through signal lines; the control cabinet controls all the electromagnetic valves, displays exhaust pressure and temperature on the control cabinet according to the pressure sensor and the temperature sensor, and has the functions of alarming and shutdown protection.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses can be when shutting down, utilize remaining compressed air in the water vapor bucket to blow off the inside moisture of compressor body, can deposit under the environment that is less than 0 ℃ in order to guarantee this water lubrication air compression system, prevent that water from condensing and causing the spare part trouble, warm water can be mended into simultaneously when the moisturizing, guarantee that the machine can normally start and operate under the environment that is less than 0 ℃, can discharge the water in the system as far as possible when shutting down, prevent that the temperature from crossing when low water freezes in the system and making spare part damage.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the water-lubricated air compression device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, the present invention provides the following technical solutions: a water lubrication air compression device comprises an air filter 1, a compressor body 3, a motor 4, a water vapor barrel 7, a cooler 13, a water filter 15 and a control cabinet 26; the compressor body 3 is connected with the motor 4, air is sucked into the compressor body 3 from the air inlet A through the air filter 1 and the air inlet valve 2 to be compressed, the compressor body 3 is connected with the bottom end of one side of the water-air barrel 7 through a one-way valve 6 through a pipeline, and a temperature sensor 5 is arranged on the connected pipeline;
a pressure gauge 10, a safety valve 9 and a water level switch 8 are arranged on the water-gas barrel 7, the top of the water-gas barrel 7 is connected with a compressed air outlet pipe B, and a minimum pressure valve 11 and a pressure sensor 12 are arranged on the compressed air outlet pipe B; the bottom end of the other side of the water-gas barrel 7 is connected with the compressor body 3 through a cooler 13, a water filter 15, a water cut-off electromagnetic valve 16 and a water flow switch 17 through pipelines; the cooler 13 is provided with a cooling fan 14.
Specifically, the water barrel 7 is connected with the lubricating water inlet C through a lubricating water inlet pipeline through a second manual ball valve 22, and the compressor body 3 is connected with the lubricating water inlet C through a water supplementing pipeline through a first one-way check valve 19 and a water supplementing electromagnetic valve 21.
Specifically, the bottom of the water-gas barrel 7 is connected with a lubricating water outlet D through a lubricating water discharge pipeline and a water discharge electromagnetic valve 23; the bottom of the compressor body 3 is connected with a lubricating water outlet D through a drainage pipeline via a shutdown drainage electromagnetic valve 25 and a first manual ball valve 24.
Specifically, the top end of the water vapor barrel 7 is connected with the air inlet valve 2 through a pipeline by a discharge solenoid valve 20; the top of the water-gas barrel 7 is connected with the compressor body 3 through a pipeline by a shutdown emptying electromagnetic valve 18 and a second one-way check valve 27.
Specifically, the motor 4, the temperature sensor 5, the water level switch 8, the pressure sensor 12, the cooling fan 14, the water cut-off solenoid valve 16, the water flow switch 17, the shutdown emptying solenoid valve 18, the discharge solenoid valve 20, the water replenishing solenoid valve 21, the water discharging solenoid valve 23 and the shutdown water discharging solenoid valve 25 are respectively connected with the control cabinet 26 through signal lines.
The utility model discloses a theory of operation and use flow: air cleaner 1 filters the air, through admission valve 2, get into compressor body 3, compressor body 3 passes through motor 4 drive, adopt positive displacement compression, with compressed air and the water drainage into vapor bucket 7 of participation lubrication, be equipped with one-way check valve 6 on the way, prevent that aqueous vapor from pouring into compressor body 3 when the system stops, manometer 10 has been installed to vapor bucket 7, relief valve 9 and water level switch 8, manometer 10 is used for observing the bucket internal pressure, relief valve 9 is used for preventing the bucket internal pressure too high, water level switch is used for the working logic according to each solenoid valve of concrete water level control, compressed air discharges through minimum pressure valve 11.
The lubricating water in the water-air barrel 7 is cooled by the cooling fan 14 through the cooler 13, passes through the water filter 15, and finally returns to the compressor body 3 through the water-cut electromagnetic valve 16 and the water flow switch 17 to participate in the next round of lubrication.
The temperature sensor 5, the pressure sensor 12, the water flow switch 17 and the water level switch 8 are used as signal input points and are connected to a control cabinet 26; the temperature sensor 5 monitors the exhaust temperature, when the temperature is too high, the control cabinet 26 alarms or stops, the pressure sensor 12 monitors the exhaust pressure, when the pressure is too high, the control cabinet 26 alarms or stops, the water flow switch monitors the water flow condition, and when no water or too small water flow exists, the control cabinet 26 stops.
The water level switch 8 has 4 signal detection points which are respectively high, medium, low and ultralow liquid levels, when the water level switch 8 detects a high liquid level signal, the water drainage electromagnetic valve 23 is controlled to be opened to drain the lubricating water, when a medium liquid level signal is obtained, the water drainage electromagnetic valve 23 is closed, and meanwhile, the first manual ball valve 24 can be opened to drain the water; when water level switch 8 detects the low liquid level, moisturizing solenoid valve 21 opens, and the lubricated water gets into compressor body 3, when water level switch 8 detected well liquid level signal, closed moisturizing solenoid valve 21, can open the manual ball valve 22 moisturizing of second simultaneously.
The water lubrication air compression device has three working states:
unloading state: and the air in the water-air bucket is exhausted through the air filter 1 by the aid of the air discharging magnetic valve 20, the shutdown emptying magnetic valve 18 is closed, the water cut-off magnetic valve 16 is opened, and the system is kept in normal operation.
And (3) loading state: the discharge solenoid valve 20 is closed, the shutdown discharge solenoid valve 18 is closed, the water cut-off solenoid valve 16 is opened, the compressed air in the water vapor barrel 7 cannot be discharged, the pressure continuously rises, and the compressed air is discharged through the minimum pressure valve 11 after reaching a certain pressure value.
A shutdown state: the discharge solenoid valve 20 is closed, the shutdown emptying solenoid valve 18 is opened, the water cut-off solenoid valve 16 is closed, at the moment, compressed air in the water gas barrel is blown into the compressor body 3 through the shutdown emptying solenoid valve 18 and the second one-way check valve 27, moisture remained in the compressor body 3 is blown out, meanwhile, the drainage solenoid valve 23 and the shutdown drainage solenoid valve 25 are opened, and in a shutdown state, when the water level switch 8 detects an ultra-low liquid level signal, all the solenoid valves are controlled to be powered off;
before the air compressor needs to be started again, warm water can be supplemented to the lubricating water inlet, so that the water lubricating air compression system can be started and operated in the environment with the temperature lower than 0 ℃.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A water lubricated air compressor unit characterized by: comprises an air filter (1), a compressor body (3), a motor (4), a water-air barrel (7), a cooler (13), a water filter (15) and a control cabinet (26); the compressor body (3) is connected with the motor (4), air is sucked into the compressor body (3) from the air inlet (A) through the air filter (1) and the air inlet valve (2) to be compressed, the compressor body (3) is connected with the bottom end of one side of the water-air barrel (7) through a one-way valve (6) through a pipeline, and a temperature sensor (5) is arranged on the connected pipeline;
a pressure gauge (10), a safety valve (9) and a water level switch (8) are arranged on the water-gas barrel (7), the top of the water-gas barrel (7) is connected with a compressed air outlet pipe (B), and a minimum pressure valve (11) and a pressure sensor (12) are arranged on the compressed air outlet pipe (B); the bottom end of the other side of the water-gas barrel (7) is connected with the compressor body (3) through a cooler (13), a water filter (15), a water cut-off electromagnetic valve (16) and a water flow switch (17) by pipelines; the cooler (13) is provided with a cooling fan (14).
2. A water lubricated air compressing device as claimed in claim 1, wherein: the compressor is characterized in that a lubricating water inlet (C) is connected to one side of the water-air barrel (7) through a lubricating water inlet pipeline through a second manual ball valve (22), and the compressor body (3) is connected with the lubricating water inlet (C) through a water supplementing pipeline through a first one-way check valve (19) and a water supplementing electromagnetic valve (21).
3. A water lubricated air compressing device as claimed in claim 1, wherein: the bottom of the water-gas barrel (7) is connected with a lubricating water outlet (D) through a lubricating water drainage pipeline and a drainage electromagnetic valve (23); the bottom of the compressor body (3) is connected with a lubricating water outlet (D) through a drainage pipeline via a shutdown drainage electromagnetic valve (25) and a first manual ball valve (24).
4. A water lubricated air compressing device as claimed in claim 1, wherein: the top end of the water-gas barrel (7) is connected with the air inlet valve (2) through a pipeline by a discharge solenoid valve (20); the top of the water-gas barrel (7) is connected with the compressor body (3) through a pipeline via a shutdown emptying electromagnetic valve (18) and a second one-way check valve (27).
5. A water lubricated air compressing device as claimed in claim 1, wherein: the electric motor (4), the temperature sensor (5), the water level switch (8), the pressure sensor (12), the cooling fan (14), the water cut-off electromagnetic valve (16), the water flow switch (17), the shutdown emptying electromagnetic valve (18), the discharge electromagnetic valve (20), the water replenishing electromagnetic valve (21), the water discharge electromagnetic valve (23) and the shutdown water discharge electromagnetic valve (25) are respectively connected with the control cabinet (26) through signal lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920931296.7U CN210317676U (en) | 2019-06-19 | 2019-06-19 | Water lubrication air compression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920931296.7U CN210317676U (en) | 2019-06-19 | 2019-06-19 | Water lubrication air compression device |
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| CN210317676U true CN210317676U (en) | 2020-04-14 |
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| CN201920931296.7U Active CN210317676U (en) | 2019-06-19 | 2019-06-19 | Water lubrication air compression device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160907A (en) * | 2020-09-15 | 2021-01-01 | 江苏科技大学 | Screw air compressor system of water lubrication bearing and control method thereof |
| CN112943583A (en) * | 2021-01-30 | 2021-06-11 | 无锡索贝克精密机械有限公司 | Non-stop maintenance mode for oil-free air compressor |
-
2019
- 2019-06-19 CN CN201920931296.7U patent/CN210317676U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160907A (en) * | 2020-09-15 | 2021-01-01 | 江苏科技大学 | Screw air compressor system of water lubrication bearing and control method thereof |
| CN112943583A (en) * | 2021-01-30 | 2021-06-11 | 无锡索贝克精密机械有限公司 | Non-stop maintenance mode for oil-free air compressor |
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Denomination of utility model: A water lubricated air compression device Effective date of registration: 20230613 Granted publication date: 20200414 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Jinshan sub branch Pledgor: DENAIR ENERGY SAVING TECHNOLOGY (SHANGHAI) CO.,LTD. Registration number: Y2023310000247 |