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Ejector

A technology of injectors and spray chambers, which is applied in the direction of spraying devices and liquid spraying devices, can solve the problems of high processing and installation accuracy, friction of nozzle 11, and high replacement cost, and achieve low replacement cost, lower processing accuracy and installation accuracy requirements, high work efficiency

Pending Publication Date: 2022-02-08
YONGFENG BOYUAN IND CO LTD JIANGXI PROVINCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Second, if figure 1 and figure 2 As shown, the nozzle 11 of the single-suction injector and the double-suction injector in the prior art and the injection liquid inlet pipe 10 are integral pipe body structures, which require very high processing and installation accuracy, and, in actual use During the process, the nozzle 11 is subjected to serious friction, which is not easy to replace, and the replacement cost is relatively high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] like image 3 and Figure 4 As shown, this embodiment provides an injector, which includes a first injector suction structure and a first throat 33 . Wherein, the first spray suction structure includes a first spray chamber 31 , a liquid inlet pipe and a first air inlet pipe 36 ; wherein, both the liquid inlet pipe and the first air inlet pipe 36 communicate with the first spray chamber 31 . The first throat pipe 33 communicates with the first injection chamber 31 . Wherein, the liquid inlet spray pipe comprises nozzle 32, and nozzle 32 is installed in the first injection chamber 31, and the spout end of nozzle 32 stretches in the first throat pipe 33 (preferably, the spout end of nozzle 32 stretches into the first throat The throat position in the pipe 33 ; the term “throat” here refers to the inlet section of the first throat 33 ), so as to inject high-velocity liquid directly into the first throat 33 .

[0043]The ejector provided by this embodiment extends the no...

Embodiment 2

[0047] Preferably, this embodiment provides an injector, on the basis of the previous embodiment, such as image 3 and Figure 4 As shown, the liquid inlet and spray pipe of this embodiment also includes a liquid inlet pipe 34; wherein, the nozzle 32 is connected to the liquid inlet pipe 34 in a detachable manner, and the nozzle 32 is installed in the first spray chamber 31 in a detachable manner. middle.

[0048] Here, the injector provided by the present embodiment connects the nozzle 32 to the liquid inlet pipe 34 in a detachable manner and installs the nozzle 32 in the first spray chamber 31 in a detachable manner. The processing accuracy and installation accuracy of the liquid inlet and spray pipe are set in this way, and the nozzle 32 can be replaced after the nozzle 32 is worn out, and the replacement cost is low.

[0049] Preferably, in order to realize the detachable connection between the nozzle 32 and the liquid inlet pipe 34, and the nozzle 32 is detachably insta...

Embodiment 3

[0053] Preferably, this embodiment proposes an injector. On the basis of the injector structure of Embodiment 1 and Embodiment 2, the injector of this embodiment is a single-suction injector. For specific structure, see image 3 shown. Wherein, the single-suction injector of this embodiment also includes a horn pipe 37 and a tail pipe 38 ; wherein, the outlet end of the first throat pipe 33 is connected to the horn pipe 37 ; the outlet end of the horn pipe 37 is connected to the tail pipe 38 .

[0054] When the single-suction ejector proposed in this embodiment works, the liquid is sprayed into the first throat pipe 33 at a high speed through the liquid inlet pipe 34 and the nozzle 32, and a vacuum area is formed near the nozzle end of the nozzle 32. Under the action of the vacuum, the gas is It is sucked into the first injection chamber 31 from the first air inlet pipe 36, then pressed into the first throat pipe 33 to mix with the liquid, and then the gas-liquid two-phase flo...

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Abstract

The invention relates to an ejector which comprises a first ejection air suction structure and a first throat pipe. Wherein the first jet air suction structure comprises a first spraying chamber, a liquid inlet spraying pipe and a first air inlet pipe; the liquid inlet spraying pipe and the first air inlet pipe are both communicated with the first spraying chamber; the first throat pipe is communicated with the first spraying chamber; the liquid inlet spraying pipe comprises a nozzle, the nozzle is installed in the first spraying chamber, and the spraying opening end of the nozzle extends into the first throat pipe so that high-speed liquid can be directly sprayed into the first throat pipe. The ejector is mainly used for improving the working efficiency of the ejector, increasing the air suction amount and reducing power consumption.

Description

technical field [0001] The invention relates to the technical field of injectors, in particular to an injector. Background technique [0002] like figure 1 As shown, the single-suction injector in the prior art mainly includes an injection liquid inlet pipe 10, a nozzle 11, an injection chamber 12, an injection chamber gas inlet pipe 13, a throat pipe 15, a trumpet pipe 16 and a tail pipe 17. Wherein, one section cavity of spray chamber 12 near throat pipe 15 is set as tapered cavity section 14, and the inner chamber wall of this tapered cavity section 14 is slope-shaped; Located above the throat 15. In addition, the injection liquid inlet pipe 10 and the nozzle 11 are of integral structure. Among them, the high-pressure liquid is sprayed out by the nozzle 11 at high speed through the injection liquid inlet pipe 10, and a vacuum area is formed near the outlet of the nozzle 11. Under the action of the pressure difference, the gas is sucked into the injection chamber 12 by ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B7/04B05B13/02
CPCB05B7/0458B05B7/0491B05B13/0278
Inventor 魏雄辉邹美华蒋俊华聂金鹏
Owner YONGFENG BOYUAN IND CO LTD JIANGXI PROVINCE