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CN-224221582-U - High-pressure water jet cleaning spray head with high efficiency

CN224221582UCN 224221582 UCN224221582 UCN 224221582UCN-224221582-U

Abstract

The utility model discloses a high-pressure water jet cleaning spray head with high efficiency, which comprises a spray head seat and a plurality of spray nozzles, wherein the spray head seat is provided with a water injection cavity, a plurality of first side cavities distributed annularly and a plurality of second side cavities distributed annularly, the first side cavities and the second side cavities are sequentially arranged along the axis direction of the water injection cavity and are distributed in a crossed manner, the first side cavities and the second side cavities are communicated with the water injection cavity and have different inclined angles relative to the water injection cavity, and the spray nozzles are connected to the first side cavities or the second side cavities in a one-to-one correspondence manner and are used for spraying water flow towards the same side. The spray head can reduce atomization effect, increase impact force and impact area of water jet flow, and improve cleaning efficiency.

Inventors

  • MENG FANGUANG
  • SONG YONGXING
  • CHAI RONGWANG
  • ZHANG CHAO
  • JIANG GUOLIANG

Assignees

  • 浙江晶立方数字科技集团有限公司

Dates

Publication Date
20260512
Application Date
20250321

Claims (10)

  1. 1. The high-pressure water jet cleaning spray head with high efficiency is characterized by comprising a spray head seat (1) and a plurality of spray nozzles (2), wherein: The spray head seat (1) is provided with a water injection cavity (4), a plurality of first side cavities (5) which are annularly distributed and a plurality of second side cavities (10) which are annularly distributed, wherein the first side cavities (5) and the second side cavities (10) are sequentially arranged along the axial direction of the water injection cavity (4) and are distributed in a crossed manner, and the first side cavities (5) and the second side cavities (10) are communicated with the water injection cavity (4) and have different inclination angles relative to the water injection cavity (4); The nozzles (2) are connected to the first side cavity (5) or the second side cavity (10) in a one-to-one correspondence manner and are used for spraying water flow towards the same side.
  2. 2. The high-pressure water jet cleaning nozzle with high efficiency according to claim 1, wherein the second side cavity (10) and the first side cavity (5) are sequentially arranged along the water flow direction in the water injection cavity (4), and an included angle between the axis of the first side cavity (5) and the axis of the water injection cavity (4) is larger than an included angle between the axis of the second side cavity (10) and the axis of the water injection cavity (4).
  3. 3. High-pressure water jet cleaning nozzle with high efficiency according to claim 2, characterized in that the angle between the axis of the first side chamber (5) and the axis of the water injection chamber (4) is 60 °, and the angle between the axis of the second side chamber (10) and the axis of the water injection chamber (4) is 45 °.
  4. 4. The high-pressure water jet cleaning nozzle with high efficiency according to claim 1, wherein the nozzle (2) is provided with a diversion cavity (6), a pressurizing cavity (7) and a jet cavity (8) which are sequentially communicated along the water flow direction, the diversion cavity (6) and the jet cavity (8) are cylindrical holes, the outlet end of the jet cavity (8) is also provided with a chamfer, and the pressurizing cavity (7) is a conical hole.
  5. 5. The high-pressure water jet cleaning nozzle with high efficiency as claimed in claim 4, characterized in that the diameter of the first side chamber (5) and the diameter of the second side chamber (10) are the same as the diameter of the guide chamber (6) of the nozzle (2).
  6. 6. The high-pressure water jet cleaning nozzle with high efficiency as set forth in claim 4, wherein the aperture of the flow guiding cavity (6) is 5.5 mm-7 mm, and the aperture of the jet cavity (8) is 0.9 mm-1.3 mm.
  7. 7. The high-pressure water jet cleaning nozzle with high efficiency according to claim 1, wherein the first side cavity (5) and the second side cavity (10) are four.
  8. 8. The high-pressure water jet cleaning nozzle with high efficiency as set forth in claim 1, wherein the side of the water injection cavity (4) far from the inlet end is tapered, and the taper angle is 100-120 degrees.
  9. 9. The high-pressure water jet cleaning nozzle with high efficiency as set forth in claim 1, wherein the nozzle seat (1) is further provided with a first interface (3), and the first interface (3) is used for being connected with a water pipe in a threaded manner and sealed by a raw adhesive tape and a gasket.
  10. 10. The high-pressure water jet cleaning nozzle with high efficiency according to claim 1, wherein the first side cavity (5) and the second side cavity (10) are coaxially provided with a second interface (9), and the second interface (9) is used for being in threaded connection with the nozzle (2) and sealed by a raw rubber belt.

Description

High-pressure water jet cleaning spray head with high efficiency Technical Field The utility model belongs to the technical field of cleaning machine accessories, and particularly relates to a high-pressure water jet cleaning spray head with high efficiency. Background The shell-and-tube heat exchanger is widely applied to the fields of chemical production, industrial production, boilers, air conditioners and the like, and can cause a lot of dirt such as coking, greasy dirt, scale, sediment, corrosion products, slime and the like to be generated in a pipeline after long-term operation, the dirt is not removed timely, the efficiency of equipment is reduced, the energy consumption and the material consumption are increased, the service life is shortened, the flow is interrupted when serious, the equipment is subjected to the risks of maintenance, shutdown or scrapping and replacement, and various economic losses are directly caused. At present, the high-pressure water jet cleaning unit is used for cleaning dirt of the shell-and-tube heat exchanger, and compared with the traditional chemical cleaning and manual cleaning, the shell-and-tube heat exchanger has the advantages of high cleaning speed, high quality, low cost, no environmental pollution and no corrosion effect on equipment. The high-pressure water jet cleaning spray head is used as one of key components of the high-pressure water jet cleaning machine set, and the structure of the high-pressure water jet cleaning spray head directly influences the cleaning effect of dirt. However, the problems of unsmooth flow passage transition, large water flow energy loss and the like often occur in the section of the flow passage inside the nozzle of the traditional high-pressure water jet cleaning nozzle, the nozzles on the nozzle are generally arranged in a single row, the atomization effect is serious in the actual cleaning work, the impact force and the impact surface of water are reduced, the cleaning efficiency is reduced, and the cleaning time is prolonged. Disclosure of utility model The utility model aims to solve the problems and provide a high-pressure water jet cleaning spray head with high efficiency, which can reduce atomization effect, increase impact force and impact area of water jet and improve cleaning efficiency. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: The utility model provides a high-pressure water jet cleaning spray head with high efficiency, which comprises a spray head seat and a plurality of spray nozzles, wherein: The nozzle seat is provided with a water injection cavity, a plurality of first side cavities distributed annularly and a plurality of second side cavities distributed annularly, the first side cavities and the second side cavities are sequentially arranged along the axis direction of the water injection cavity and distributed in a crossed manner, and the first side cavities and the second side cavities are communicated with the water injection cavity and have different inclination angles relative to the water injection cavity; the nozzles are connected to the first side cavity or the second side cavity in a one-to-one correspondence manner and are used for spraying water flow towards the same side. Preferably, the second side cavity and the first side cavity are sequentially arranged along the water flow direction in the water injection cavity, and an included angle between the axis of the first side cavity and the axis of the water injection cavity is larger than an included angle between the axis of the second side cavity and the axis of the water injection cavity. Preferably, the angle between the axis of the first side chamber and the axis of the water filling chamber is 60 °, and the angle between the axis of the second side chamber and the axis of the water filling chamber is 45 °. Preferably, the nozzle is provided with a diversion cavity, a pressurizing cavity and a jet cavity which are sequentially communicated along the water flow direction, the diversion cavity and the jet cavity are cylindrical holes, the outlet end of the jet cavity is also provided with a chamfer, and the pressurizing cavity is a conical hole. Preferably, the diameter of the first side chamber and the diameter of the second side chamber are both the same as the diameter of the flow guiding chamber of the nozzle. Preferably, the aperture of the flow guide cavity is 5.5 mm-7 mm, and the aperture of the jet cavity is 0.9 mm-1.3 mm. Preferably, the first side cavity and the second side cavity are four. Preferably, one side of the water injection cavity far away from the inlet end is conical, and the cone angle is 100-120 degrees. Preferably, the nozzle seat is also provided with a first connector which is used for being connected with the water pipe in a threaded manner and is sealed by adopting a raw adhesive tape and a gasket. Preferably, the first side cavity and the second side cavit