CN206868490U - Cavitation jet nozzle device in a kind of long micropipe - Google Patents

Abstract

The utility model discloses a cavitation jet nozzle device in a slender circular tube, which comprises a first component and a second component in a tubular structure. One end of the first component is provided with a water inlet connected to a water pump pipe externally, and the other end is provided with an inner nozzle. The thread stopper, the middle part of the first assembly is provided with a first-stage cavitation chamber, one side of the first-stage cavitation chamber communicates with the water inlet, and the other side of the first-stage cavitation chamber is connected with the internal thread stopper with a short Holes, the outer wall of the first assembly is annularly provided with a plurality of air inlets communicating with the primary cavitation cavity, the second assembly is internally provided with a secondary cavitation cavity with one end open, and at the opening is provided a On the first component, the internal thread spigot is screwed to the external thread spigot, and the connection between the internal thread spigot and the external thread spigot is provided with a sealing ring, and the outer wall of the second component is annularly provided with a plurality of secondary cavitation cavities With connected nozzles, the utility model can improve the cleaning effect of the curved surface space where the oil pipe is slender and limited.

Description

A cavitation jet nozzle device in a slender circular tube

technical field

The utility model relates to the technical field of oil pipe cleaning, in particular to a cavitation jet nozzle device in a slender round pipe.

Background technique

The inner space of the oil pipe is a slender curved surface, and the space size is narrow. Therefore, the existing cavitation jet technology cannot be applied to the slender and limited curved surface space of the tubing. It can be seen that carrying out research on cavitation jets in slender pipes and proposing a new oil pipe cleaning technology can provide guarantee for the improvement of petroleum equipment remanufacturing technology and the quality improvement of oil production construction operations, and has important practical value.

Utility model content

(1) Technical problems to be solved

In order to overcome the deficiencies of the existing technology, a cavitation jet nozzle device in a slender circular tube is proposed, which can improve the cleaning effect of the curved surface space where the oil tube is slender and limited.

(2) Technical solutions

The utility model is realized through the following technical solutions: the utility model proposes a cavitation jet nozzle device in a slender circular tube, which includes a first component and a second component in a tubular structure, and one end of the first component is provided with an external water pump water pipe The other end is provided with an internal thread spigot, and the middle part of the first component is provided with a first-stage cavitation chamber, one side of the first-stage cavitation chamber communicates with the water inlet, and the other side of the first-stage cavitation chamber communicates with the water inlet. A short hole is provided at the joint of the internal thread spigot, the outer wall of the first component is annularly provided with a plurality of air inlets communicating with the primary cavitation cavity, and the second component is internally provided with a secondary cavitation cavity with one end open And the opening is provided with an external thread spigot that can be threadedly connected with the internal thread spigot on the first component, a sealing ring is provided at the connection between the internal thread spigot and the external thread spigot, and the outer wall of the second component is ring-shaped. There are multiple nozzles communicating with the secondary cavitation chamber.

Further, there are four air inlets uniformly distributed in a ring.

Further, the air inlet is a threaded hole that can be connected to the air pipe joint of the air pump.

Further, there are four uniformly distributed nozzles in a ring.

(3) Beneficial effects

Compared with the prior art, the utility model has the following beneficial effects:

The utility model mentions a cavitation jet nozzle device in a slender circular tube, which has the dual advantages of cavitation jet and pulse jet, and uses the special structure inside the nozzle and the air inlet to form a cavitation effect, thereby improving the impact effect of the jet and improving The nozzle has high working performance and small size, which is suitable for cleaning dirt on the inner surface of the slender circular tube with limited curved surface space.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Figure 2 is an exploded view of the utility model.

Fig. 3 is a half-sectional schematic diagram of the first assembly.

Fig. 4 is a half-sectional schematic diagram of the second assembly.

1-first component; 2-second component; 3-sealing ring; 11-water inlet; 12-internal thread stop; 13-first-level cavitation cavity; 14-short hole; Level cavitation cavity; 22-external thread stop; 23-nozzle.

detailed description

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

A cavitation jet nozzle device in a slender circular tube as shown in Figures 1 to 4 includes a first component 1 and a second component 2 in a tubular structure, and one end of the first component 1 is provided with an inlet connected to a water pump pipe. Water inlet 11, the other end is provided with an internal thread stopper 12, the middle part of the first component 1 is provided with a primary cavitation cavity 13, one side of the primary cavitation cavity 13 communicates with the water inlet 11, and the primary cavitation cavity There is a short hole 14 at the connection between the other side of 13 and the internal thread stopper 12. The outer wall of the first assembly 1 is annularly provided with a plurality of air inlets 15 communicating with the primary cavitation chamber 13. The inside of the second assembly 2 There is a secondary cavitation chamber 21 with one end open, and an external thread stop 22 that can be threadedly connected with the internal thread stop 12 on the first component 1 is provided at the opening, and the internal thread stop 12 and the external thread stop A sealing ring 3 is provided at the joint of the port 22 , and a plurality of nozzles 23 communicating with the secondary cavitation chamber 21 are provided in a ring shape on the outer wall of the second assembly 2 .

Wherein, there are four air inlets 15 uniformly distributed in a ring shape; the air inlets 15 are threaded holes capable of being connected with air pump air pipe joints; and four nozzles 23 are evenly distributed in a ring shape.

The utility model mentions a cavitation jet nozzle device in a slender round tube, which is suitable for the limited curved surface space of the slender round tube of the oil pipe. When in use, the first component 1 and the second component 2 are screwed together and passed through the sealing ring 3 To form a sealing effect, plug the outlet pipe of the water pump to the water inlet 11 at the top of the first component 1. The plugged part can be sealed by a raw material tape. The inlet 15 is connected, and then the air pump outlet pipe and the water pump outlet pipe are tied together, so that the entire nozzle device and the water pipe enter the oil pipe for cleaning. A local low-pressure area appears at the sudden change of the step-shaped inner diameter section between the first-stage cavitation chamber 13 and cavitation occurs; at the same time, compressed air enters the first-stage cavitation chamber 13 through the air inlet 15, and enters through the short hole 14 after mixing with water In the secondary cavitation chamber 21, the cavitation water jet is finally injected from the cylindrical section nozzle 23 to achieve the effect of gas-liquid mixing. This device has the dual advantages of cavitation jet and pulse jet. It uses the special structure inside the nozzle and the air inlet to form a cavitation effect, thereby improving the impact effect of the jet and improving the working performance of the nozzle. Cleaning of surface dirt in curved space.

The above-mentioned embodiments are only descriptions of preferred implementations of the present utility model, and are not intended to limit the concept and scope of the present utility model. Under the premise of not departing from the design concept of the present utility model, various modifications and improvements made by ordinary persons in the art to the technical solution of the present utility model should fall into the protection scope of the present utility model, and the technology claimed by the utility model The contents are all described in the claims.

Claims (4)

1. A kind of 1. Cavitation jet nozzle device in long micropipe, it is characterised in that：Including first assembly (1) in tubular construction with And second component (2), one end of the first assembly (1) are provided with the water inlet (11) of an outer water pump water pipe, the other end is set An internal thread seam (12) is equipped with, an one-level cavitation chamber (13), the one-level cavitation chamber are provided with the middle part of first assembly (1) (13) side connects with water inlet (11), and it is short that one-level cavitation chamber (13) opposite side with internal thread seam (12) junction is provided with one Hole (14), the outer wall ring-type of first assembly (1) is provided with multiple air intlets (15) connected with one-level cavitation chamber (13), described Second component (2) be internally provided with the two level cavitation chamber (21) of an open at one end and open-mouth is provided with one can be with first group The external screw thread seam (22) that internal thread seam (12) screw thread spins on part (1), internal thread seam (12) and external screw thread seam (22) Junction is provided with sealing ring (3), and the outer wall ring-type of the second component (2) is provided with multiple sprays connected with two level cavitation chamber (21) Mouth (23).
2. 2. Cavitation jet nozzle device in a kind of long micropipe according to claim 1, it is characterised in that：The air enters Mouth (15) ring-type is evenly equipped with four.
3. 3. Cavitation jet nozzle device in a kind of long micropipe according to claim 1, it is characterised in that：The air enters Mouth (15) is the screwed hole that can be connected with air pump gas-tpe fitting.
4. 4. Cavitation jet nozzle device in a kind of long micropipe according to claim 1, it is characterised in that：The nozzle (23) ring-type is evenly equipped with four.