Search

CN-224230406-U - Screw unit oil return filter equipment

CN224230406UCN 224230406 UCN224230406 UCN 224230406UCN-224230406-U

Abstract

The utility model discloses an oil return filtering device of a screw unit, which comprises a hollow tank body, a connecting joint and a stainless steel filtering inner core, wherein an oil inlet connecting seat is arranged at the end part of the connecting joint, a sealing head seat is arranged at the other end of the hollow tank body, the sealing head seat is assembled at an opening part at the other end of the hollow tank body, an oil inlet bowl opening is arranged at one end of the stainless steel filtering inner core, a flow port is arranged at the bottom of the oil inlet bowl opening, one end of the flow port is provided with a filtering core column positioned in the inner cavity of the stainless steel filtering inner core, a filter material sleeve is sleeved at the outer ring of the filtering core column, the filter material sleeve is positioned between the stainless steel filtering inner core and the filtering core column, and an oil leakage sleeve is arranged at one end of the sealing head seat. The utility model is convenient for sectional processing, the hollow tank body is not processed, the strength of the hollow tank body is ensured, and meanwhile, the oil leakage sleeve is conveniently separated from the hollow tank body, so that components such as a stainless steel filter core and the like in the hollow tank body are convenient to detach, and better cleaning and replacement are convenient.

Inventors

  • ZHOU FENG
  • CHEN YING

Assignees

  • 携德机械(昆山)有限公司

Dates

Publication Date
20260512
Application Date
20250508

Claims (6)

  1. 1. The utility model provides a screw rod unit oil return filter equipment, includes cavity jar body (1), attach fitting (2) and stainless steel filter core (4), its characterized in that, attach fitting (2) welded mounting is in the opening part of cavity jar body (1) one end, the tip of attach fitting (2) is provided with oil feed connecting seat (3), seal head seat (6) are installed to the other end of cavity jar body (1), seal head seat (6) assembly is at the opening part of cavity jar body (1) other end, oil feed bowl mouth (5) are installed to the one end of stainless steel filter core (4), the bottom of oil feed bowl mouth (5) is provided with flow port (16), filter core column (14) that are located stainless steel filter core (4) inner chamber are installed to the one end of flow port (16), filter core column (14) outer lane department cover is established and is installed cover (15), filter material cover (15) are located between stainless steel filter core (4) and filter core column (14), leak (9) are installed to one end of seal head seat (6).
  2. 2. The screw unit oil return filtering device according to claim 1, further comprising a connecting mechanism, wherein the connecting mechanism comprises a connecting plate (11), a pin handle portion (12) and a pin inserting portion (13), the pin inserting portion (13) and the pin handle portion (12) are integrally formed, the pin inserting portion (13) is inserted in a channel of the connecting plate (11), and the connecting plate (11) is connected with the seal head seat (6).
  3. 3. The screw unit return oil filtering device according to claim 2, wherein an assembly hole (17) is formed in the outer wall of the hollow tank body (1), and the assembly hole (17) is spliced with the pin shaft inserting portion (13).
  4. 4. The screw unit return oil filtering device according to claim 1, wherein a tank connecting ring (7) is arranged at the other end of the seal head seat (6), and an oil guide column (8) is arranged at the inner ring of the tank connecting ring (7).
  5. 5. The screw unit return oil filtering device according to claim 4, wherein a magnetic attraction ring (10) is arranged at the end part of the tank body connecting ring (7), and one end of the magnetic attraction ring (10) is magnetically attracted and connected with the stainless steel filtering inner core (4).
  6. 6. The screw unit oil return filtering device according to claim 1, wherein the filtering gaps between the filtering material sleeve (15) and the stainless steel filtering inner core (4) and the filtering core column (14) are equal, and the filtering material sleeve (15) is of a ceramic filtering sleeve structure.

Description

Screw unit oil return filter equipment Technical Field The utility model relates to the technical field of screw units, in particular to an oil return filtering device of a screw unit. Background The water-cooled screw unit is generally a full-liquid or falling film evaporator, and because of the limitation of the compressor structure, the water-cooled screw unit is provided with an oil separator, the running requirement of the whole unit cannot be met, an external oil separator is required to be added, a water-cooled screw secondary oil separation oil return scheme is adopted, the bottom of the oil separator is connected with an air suction port of the compressor in a bypass mode, oil separated by the secondary oil separator returns to the air suction port of the compressor through a pressure difference, and because of different working condition loads of the unit, the bypass flow rate is different, the problem of excessive or too little bypass quantity is easy to occur. When the oil return device is used, in order to ensure an oil product, a filter device is required to be installed, the impurity content in the oil is ensured to be reduced to the minimum, the filtering in the prior art adopts a tank structure, an oil outlet hole site is formed in the bottom of the tank, a filter element is installed in the tank to realize filtering, but the disadvantage of the mode is that the filter element in the tank cannot be disassembled and cleaned, the part of the oil outlet hole site is integrally formed with the tank, and the side of the processing period of the tank and the strength of the tank are damaged due to excessive processing times. Disclosure of utility model The utility model aims to provide an oil return filtering device of a screw unit, which aims to solve the problems in the background technology. The oil return filtering device of the screw unit comprises a hollow tank body, a connecting joint and a stainless steel filtering core, wherein the connecting joint is welded and installed at an opening part at one end of the hollow tank body, an oil inlet connecting seat is arranged at the end part of the connecting joint, a seal head seat is installed at the other end of the hollow tank body, the seal head seat is assembled at the opening part at the other end of the hollow tank body, an oil inlet bowl opening is installed at one end of the stainless steel filtering core, a flow port is arranged at the bottom of the oil inlet bowl opening, a filtering core column positioned in an inner cavity of the stainless steel filtering core is installed at one end of the flow port, a filter material sleeve is sleeved at the outer ring of the filtering core column, the filter material sleeve is positioned between the stainless steel filtering core and the filtering core column, and an oil leakage sleeve is installed at one end of the seal head seat. Preferably, the seal head comprises a seal head seat, and is characterized by further comprising a connecting mechanism, wherein the connecting mechanism comprises a connecting plate, a pin shaft handle part and a pin shaft inserting part, the pin shaft inserting part and the pin shaft handle part are integrally formed, the pin shaft inserting part is inserted in a channel of the connecting plate, and the connecting plate is connected with the seal head seat. Preferably, an assembly hole is formed in the outer wall of the hollow tank body, and the assembly hole is spliced with the pin shaft inserting part. Preferably, a tank connecting ring is arranged at the other end of the seal head seat, and an oil guide column is arranged at the inner ring of the tank connecting ring. Preferably, a magnetic attraction ring is arranged at the end part of the tank body connecting ring, and one end of the magnetic attraction ring is magnetically attracted and connected with the stainless steel filtering inner core. Preferably, the filter material sleeve is equal to the filter gap between the stainless steel filter inner core and the filter core column, and the filter material sleeve is of a ceramic filter sleeve structure. The utility model has the technical effects and advantages that: (1) According to the oil return filtering device of the screw unit, the oil leakage sleeve is arranged at one end of the seal head seat, the connecting mechanism is further arranged and comprises the connecting plate, the pin shaft handle part and the pin shaft inserting part, the pin shaft inserting part and the pin shaft handle part are integrally formed, the pin shaft inserting part is inserted in a channel of the connecting plate, the connecting plate is connected with the seal head seat, so that the sectional processing is facilitated, the hollow tank body is not processed, the self strength of the hollow tank body is ensured, the oil leakage sleeve is conveniently separated from the hollow tank body, and the stainless steel filtering inner core and other parts inside the hollow tank body are conv