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CN-224207464-U - Oil filtering and dewatering device of oil screw vacuum pump

CN224207464UCN 224207464 UCN224207464 UCN 224207464UCN-224207464-U

Abstract

The utility model relates to a fluid purification separation technical field, and disclose oil screw vacuum pump oil drainage water trap, including the bottom plate, the jar body is installed to top one side of bottom plate, and the oil water interface appearance is installed to outer wall one side of jar body, and the internally mounted of jar body has the coalescence-separation filter core, and one side of jar body runs through and fixedly connected with connecting pipe one, the utility model discloses in, the lubricating oil after the preliminary purification steadily gets into the coalescence-separation filter core through connecting pipe one, coalescence-separation filter core make full use of self unique hydrophilicity trait, ingenious gathers the moisture that mixes in the lubricating oil into fine and close water droplet, and these water droplets slowly subsides under the effect of gravity to the bottom of jar body and gather, meanwhile, oil water interface appearance monitors water level height in real time, accurately, in case the water level reaches preset standard, the drainage solenoid valve just can respond immediately, opens the drainage passageway, reaches better dewatering through discharge pipe high-efficient discharge.

Inventors

  • ZHANG WEI
  • ZHANG CHONGJIE

Assignees

  • 西安佰萃机电设备有限公司

Dates

Publication Date
20260508
Application Date
20250418

Claims (7)

  1. 1. The oil screw vacuum pump oil filtering and dewatering device comprises a bottom plate (1) and is characterized in that a tank body (2) is arranged on one side of the top of the bottom plate (1), an oil-water interface instrument (5) is arranged on one side of the outer wall of the tank body (2), a coalescence-separation filter element (201) is arranged in the tank body (2), a connecting pipe I (202) penetrates through one side of the tank body (2) and is fixedly connected with the coalescence-separation filter element (201), a prefilter (203) is arranged at one end of the connecting pipe I (202) far away from the coalescence-separation filter element (201), an inlet isolation valve (204) is arranged at one end of the prefilter (203) far away from the connecting pipe I (202), and an L-shaped pipe (205) is fixedly connected at one end of the inlet isolation valve (204) far away from the prefilter (203); The oil supply assembly comprises an oil filtering pump (3), wherein the oil filtering pump (3) is arranged at one side of the top of the bottom plate (1) far away from the tank body (2), and one end of the L-shaped pipe (205) far away from the inlet isolation valve (204) is arranged at one side of the top of the oil filtering pump (3).
  2. 2. The oil-screw vacuum pump oil filtering and dewatering device according to claim 1, wherein the oil supply assembly further comprises an oil tank (302), a connecting pipe II (301) is fixedly connected to the top of the oil tank (302), the other end of the connecting pipe II (301) is fixedly connected to one side of the bottom of the oil filtering pump (3), a connecting pipe III (303) is fixedly connected to one side, away from the connecting pipe II (301), of the oil tank (302), an oil-screw vacuum pump head (304) is fixedly connected to one end, away from the oil tank (302), of the connecting pipe III (303), a connecting pipe IV (305) is fixedly connected to one end, away from the connecting pipe III (303), of the connecting pipe IV (305), an outlet isolation valve (306) is installed to one end, away from the connecting pipe IV (305), of the connecting pipe IV (307) is installed to one end, away from the outlet isolation valve (306), of the connecting pipe IV (307) penetrates through the tank body (2) and is fixedly connected to one end, away from the outlet isolation valve (306).
  3. 3. The oil-filtering and water-removing device of the oil screw vacuum pump of claim 1, wherein a drain pipe (4) is fixedly connected to one side of the bottom plate (1), a drain sensor (401) is installed on one side of the outer wall of the drain pipe (4), and a drain electromagnetic valve (402) is installed in the middle of the outer wall of the drain pipe (4).
  4. 4. The oil-filtering and water-removing device of the oil screw vacuum pump of claim 1, wherein the support frame I (6) is arranged on one side, close to the connecting pipe IV (305), of the top of the bottom plate (1), and the support frame I (6) is matched with the connecting pipe IV (305).
  5. 5. The oil-filtering and water-removing device of the oil screw vacuum pump of claim 1, wherein the second support frame (7) and the third support frame (8) are arranged on one side, close to the fifth connecting pipe (307), of the top of the bottom plate (1), and the second support frame (7) and the third support frame (8) are matched with the fifth connecting pipe (307).
  6. 6. The oil-filtering and water-removing device of the oil-screw vacuum pump of claim 1, wherein the hoop (9) is arranged on one side, close to the second connecting pipe (301), of the top of the bottom plate (1), and the hoop (9) is matched with the second connecting pipe (301).
  7. 7. The oil-filtering and water-removing device of the oil-screw vacuum pump according to claim 1, wherein a supporting frame IV (10) is arranged between the top of the bottom plate (1) close to the pre-filter (203) and the inlet isolation valve (204).

Description

Oil filtering and dewatering device of oil screw vacuum pump Technical Field The utility model relates to the technical field of fluid purification and separation, in particular to an oil screw vacuum pump oil filtering and water removing device. Background The oil screw vacuum pump is used as one of the positive displacement vacuum pumps, the lubricating oil of the oil screw vacuum pump plays roles of lubrication, cooling and sealing in the vacuum pump, and the quality of the lubricating oil directly influences the service life and the air extraction efficiency of the oil screw vacuum pump. Most of the oil screw vacuum pumps on the market at present have the function of removing impurities but do not have the water removal capability, and in actual operation, as the sucked gas contains water vapor which is dissolved in oil, the oil products of the vacuum pump are emulsified, the lubrication, cooling and sealing performances are reduced, rated output cannot be achieved, and the safe operation of equipment is threatened seriously. The oil filtering system is additionally arranged on the original lubricating oil system, a monopole or multistage filter element is adopted, the affinity capability of different filter materials to moisture and oil and different filtering precision are utilized to realize the separation of impurities, moisture and oil, and the cleaning of the oil is realized. The impurity removing filter element is arranged in the oil line of the oil screw vacuum pump, and insoluble impurities entering lubricating oil due to mechanical abrasion and the like in the oil line are removed by utilizing the filtering capability of the impurity removing filter element. The oil screw vacuum pump has the defects that the impurity removal filter element cannot remove water in the lubricating oil system of the oil screw vacuum pump, the self water removal capacity of the oil screw vacuum pump is weak, when the pumped gas contains a large amount of water vapor, the water vapor is dissolved in the lubricating oil to cause oil emulsification, and the lubricating, cooling and sealing performances are reduced after the lubricating oil of the oil screw vacuum pump is emulsified, so that the rated output of the vacuum pump is reduced. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides the oil filtering and water removing device of the oil screw vacuum pump, has the advantage of good water removing effect, and solves the problem that the self water removing capacity of the oil screw vacuum pump is weaker in the background art. The utility model provides a technical scheme for achieving the aim of good water removal effect, which comprises a bottom plate, wherein a tank body is arranged on one side of the top of the bottom plate, an oil-water interface instrument is arranged on one side of the outer wall of the tank body, a coalescence-separation filter element is arranged in the tank body, one side of the tank body penetrates through and is fixedly connected with a first connecting pipe, one side of the connecting pipe penetrating through the bottom plate is fixedly connected with the coalescence-separation filter element, one end of the first connecting pipe, which is far away from the coalescence-separation filter element, is provided with a pre-filter, one end of the pre-filter, which is far away from the first connecting pipe, is provided with an inlet isolation valve, and one end of the inlet isolation valve, which is far away from the pre-filter, is fixedly connected with an L-shaped pipe; the oil supply assembly comprises an oil filtering pump, the oil filtering pump is arranged at one side of the top of the bottom plate far away from the tank body, and one end of the L-shaped pipe far away from the inlet isolation valve is arranged at one side of the top of the oil filtering pump. As a still further scheme of the utility model, the oil supply assembly further comprises an oil tank, the top of the oil tank is fixedly connected with a connecting pipe II, the other end of the connecting pipe II is fixedly connected to one side of the bottom of the oil filtering pump, one side of the oil tank, which is far away from the connecting pipe II, is fixedly connected with a connecting pipe III, one end of the connecting pipe III, which is far away from the oil tank, is fixedly connected with an oil screw vacuum pump head, the oil screw vacuum pump head is fixedly connected with a connecting pipe IV, one end of the connecting pipe IV, which is far away from the oil screw vacuum pump head, is provided with an outlet isolation valve, one end of the outlet isolation valve, which is far away from the connecting pipe IV, is provided with a connecting pipe V, and one end of the connecting pipe V, which is far away from the outlet isolation valve, penetrates through the tank body and is fixedly connected. As a still further proposal of the utility model, one side of the bottom plate