CN207839209U - A kind of high pressure cavitation jet combination nozzle with tapered larynx section cavity - Google Patents

Abstract

A high-pressure cavitation jet combined nozzle with a tapered throat section cavity, including a water inlet pipe, a left part of the inner cavity, a middle part of the inner cavity, a right part of the inner cavity, a throat section of the nozzle and an outer cap of the nozzle, the left part of the inner cavity , the middle part of the inner cavity, the right part of the inner cavity, and the throat section of the nozzle are all set in the outer cap of the nozzle, the right end of the water inlet pipe is set in the outer cap of the left nozzle of the left part of the inner cavity, and the left part of the inner cavity A nozzle inlet is provided at the center of the inner cavity, and the nozzle inlet communicates with the water inlet pipe. A cavitation cavity is provided at the center of the middle part of the inner cavity, and a nozzle outlet is provided at the center of the right part of the inner cavity. The nozzle outlet and the nozzle throat section form a whistle, the nozzle inlet, the cavitation cavity, and the whistle are arranged coaxially, and the inner cavity of the nozzle throat section is tapered. The utility model provides a high-pressure cavitation jet combination nozzle with a conical throat section cavity with good cavitation effect and energy saving.

Description

A High Pressure Cavitation Jet Combined Nozzle with Tapered Throat Cavity

technical field

The utility model relates to the technical field of water jet nozzles, in particular to a high-pressure cavitation jet combined nozzle with a tapered throat section cavity.

Background technique

The structure of the cavitation jet nozzle will have a great influence on the operation effect and speed of the water jet. A suitable nozzle structure will greatly improve the operation effect and speed of the water jet. If the nozzle structure parameters are not suitable, the jet cavitation effect will be low. The defect of not saving energy.

Contents of the invention

In order to overcome the defects of low cavitation effect and no energy saving in existing cavitation jet nozzles, the utility model provides a high-pressure cavitation jet combined nozzle with a conical throat section cavity with good cavitation effect and energy saving.

The technical scheme that the utility model solves its technical problem adopts is:

A high-pressure cavitation jet combined nozzle with a tapered throat section cavity, including a water inlet pipe, a left part of the inner cavity, a middle part of the inner cavity, a right part of the inner cavity, a throat section of the nozzle and an outer cap of the nozzle, the left part of the inner cavity , the middle part of the inner cavity, the right part of the inner cavity, and the throat section of the nozzle are all set in the outer cap of the nozzle, the right end of the water inlet pipe is set in the outer cap of the left nozzle of the left part of the inner cavity, and the left part of the inner cavity A nozzle inlet is provided at the center of the inner cavity, and the nozzle inlet communicates with the water inlet pipe. A cavitation cavity is provided at the center of the middle part of the inner cavity, and a nozzle outlet is provided at the center of the right part of the inner cavity. The nozzle outlet and the nozzle throat section form a whistle, the nozzle inlet, the cavitation cavity, and the whistle are arranged coaxially, and the inner cavity of the nozzle throat section is tapered.

Further, the inner diameter of the right end of the tapered inner cavity of the throat section of the nozzle is larger than the inner diameter of the left end.

Further, the inner diameter of the right end of the tapered inner cavity of the throat section of the nozzle is smaller than the inner diameter of the left end.

The beneficial effects of the utility model are mainly manifested in: better cavitation effect, energy saving, and convenient disassembly and replacement.

Description of drawings

Fig. 1 is a diagram of the first embodiment of the throat section of the nozzle of the present invention.

Fig. 2 is a diagram of the second embodiment of the throat section of the nozzle of the present invention.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described.

Referring to Figures 1 and 2, a high-pressure cavitation jet combined nozzle with a tapered throat section cavity includes a water inlet pipe 1, a left part of the inner cavity, a middle part of the inner cavity, a right part of the inner cavity, a nozzle throat section 3 and a nozzle The outer cap 5, the left part of the inner cavity, the middle part of the inner cavity, the right part of the inner cavity, and the nozzle throat section 3 are all set in the outer cap 5 of the nozzle, and the right end of the water inlet pipe 1 is set in the left part of the inner cavity In the left nozzle outer cap, a nozzle inlet is provided at the center of the left part of the inner cavity, and the nozzle inlet communicates with the water inlet pipe 1, and a cavitation chamber 4 is provided at the center of the middle part of the inner cavity. The center of the right part of the inner cavity is provided with a nozzle outlet 2, and the nozzle outlet 2 and the nozzle throat section 3 form a whistle, and the nozzle inlet, the cavitation chamber 4, and the whistle are arranged coaxially, and the nozzle throat section The inner cavity of 3 is conical.

Further, the inner diameter of the right end of the tapered inner cavity of the nozzle throat section 3 is larger than the inner diameter of the left end.

Further, the inner diameter of the right end of the conical cavity of the nozzle throat section 3 is smaller than the inner diameter of the left end.

As shown in FIGS. 1 and 2 , the water inlet pipe 1 is screwed to the nozzle outer cap 5 . Gaskets are provided between the right end of the water inlet pipe 1 and the left part of the inner cavity, between the left part of the inner cavity and the middle part of the inner cavity, and between the middle part of the inner cavity and the right part of the inner cavity. The center of the gasket is provided with a central through hole, and the central through hole is arranged coaxially with the cavitation chamber 4 and the whistle.

In the figure, d, D, L represent the inner diameter of the nozzle outlet, the inner diameter of the outlet end of the inner cavity of the nozzle throat section and the length of the nozzle throat section, Ds, Ls respectively represent the inner diameter of the cavitation cavity and the length of the cavitation cavity, and dc represents the inner diameter of the nozzle inlet , Dt represents the inner diameter of the water inlet pipe, and c is the expansion angle of the jet outlet.

The outlet end of the cavity of the nozzle throat section 3 in Fig. 1, that is, the right end is greater than its left end, and the outlet end of the cavity of the nozzle throat section 3 in Fig. 2, that is, the right end is smaller than its left end, and this tapered design can provide space. effect.

The utility model attempts to enhance the cavitation effect by changing the structure of the jet nozzle, so as to achieve the effects of saving energy and protecting the environment; meanwhile, it is also convenient for disassembly and replacement of parts.

Claims (3)

1. in a kind of high pressure cavitation jet combination nozzle, including water inlet pipe, inner cavity left part part, inner cavity with tapered larynx section cavity Between component, inner cavity right members, the outer cap of nozzle throat section and nozzle, the inner cavity left part part, inner cavity intermediate member, inner cavity right members, Nozzle throat Duan Jun is sleeved in the outer cap of the nozzle, and the right end of the water inlet pipe is sleeved on the outer cap of left side nozzles of inner cavity left part part It is interior, nozzle entrance is equipped at the center of the inner cavity left part part, the nozzle entrance is connected to the water inlet pipe, in the inner cavity Between component center at be equipped with cavitation chamber, jet expansion, the jet expansion and spray are equipped at the center of the inner cavity right members Mouth larynx section forms the whistle mouthful, and the nozzle entrance, cavitation chamber, the whistle mouthful are coaxially arranged, it is characterised in that：The nozzle throat section it is interior Chamber is in tapered.

2. a kind of high pressure cavitation jet with tapered larynx section cavity as described in claim 1 combines nozzle, it is characterised in that： The right end internal diameter of the tapered inner cavity of the nozzle throat section is more than its left end internal diameter.

3. a kind of high pressure cavitation jet with tapered larynx section cavity as described in claim 1 combines nozzle, it is characterised in that： The right end internal diameter of the tapered inner cavity of the nozzle throat section is less than its left end internal diameter.