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Steam mixer

A mixer and steam technology, applied in fluid mixers, mixers, mixing methods, etc., can solve problems such as poor mixing effects, and achieve the effects of easy maintenance, pressure shock relief, and simple manufacturing

Active Publication Date: 2017-01-04
青岛康泰重工机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the technical problem in the prior art that the mixing effect of a large flow of saturated steam (or superheated steam) and a kind of superheated steam (or saturated steam) whose pressure roughly matches is poor in the equipment, the purpose of the present invention is to provide steam mixing device

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Such as figure 1 , figure 2 and image 3 As shown in the steam mixer, the top of one end of the heater shell is connected to the main steam pipe 6 through a flow regulating valve, the other end of the heater shell is connected to the mixed steam pipe 1 through a gate valve or a stop valve, and the main steam pipe 6 passes through a gate valve Or the cut-off valve is connected to the mixed steam pipe 1, and the bottom of the heater shell opposite to the main steam pipe 6 is connected to the heating steam pipe 9 through a flow regulating valve, and the connection between the main steam distribution pipe 5, the heating steam pipe 9 and the main steam pipe 6 Connecting pipes 15 are respectively provided, and the part of the connecting pipe 15 protruding from the main steam distribution pipe 5 and the heating steam pipe 9 is set as a hollow cylinder structure, and the part of the connecting pipe 15 extending in the main steam distribution pipe 5 and the heating steam pipe ...

Embodiment 2

[0034] On the basis of Example 1, different from Example 1, such as image 3 As shown, the steam mixer includes a heater shell, the main steam distribution pipe 5 is arranged laterally above the central axis of the heater shell, the end of the main steam distribution pipe 5 is sealed by a blocking plate 12, and the bottom of the main steam distribution pipe 5 Circular steam distribution holes 14 are provided, and strip-shaped steam distribution holes 13 arranged at equal intervals are arranged between adjacent circular steam distribution holes 14. The strip-shaped steam distribution holes 13 extend from the bottom of the main steam distribution pipe 5 to the The central axis of the main steam distribution pipe 5 is recessed and extended.

[0035] The circular steam distribution hole 14 is opened when the steam volume is relatively small, and the strip-shaped steam distribution hole 13 is opened when the steam volume is relatively large. The diameter of the circular steam distrib...

Embodiment 3

[0037] On the basis of Example 1, different from Example 1, such as Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown in the steam mixer, the combined nozzle 7 includes a communication pipe 16 and a spiral distribution pipe 18. The spiral distribution pipe 18 is coiled on the communication pipe 16 at equal intervals in a spiral shape. The spiral distribution pipe 18 is set as a hollow annular pipe structure. Nozzles 17 are arranged at equal intervals in a ring on the inner ring side wall of the pipe 18 , and the end of the communication pipe 16 is sealed by a blocking plate 12 .

[0038] The nozzle 17 is set in a dumbbell-shaped structure that shrinks and expands gradually, its throat diameter d1 is not greater than 10mm, and the value of the throat width l should not be less than 0.5 times of the throat diameter d1, between the nozzle 17 on the spiral distribution pipe 18 and the spiral distribution pipe 18 A certain angle α is set, and the value of the angle α is s...

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Abstract

The invention discloses a steam mixer. The top of one end of a heater shell is connected with a main steam pipe through a flow regulating valve, the other end of the heater shell is connected with a steam mixing pipe through a sluice valve or a stopping valve, the main steam pipe is connected with the steam mixing pipe through a sluice valve or a stopping valve, the bottom of the heater shell is connected with a steam heating pipe through a flow regulating valve, the main steam pipe extends into the heater shell and is provided with main steam distributing pipes, the main steam distributing pipes are evenly distributed in the axial direction of the heater shell, airflow is parallel to the radial direction of the heater shell, and the steam heating pipe extends into the heater shell and is provided with a combined spraying pipe. Large-flow saturated steam and superheated steam with the roughly-matched pressure are mixed in the device, and micro-superheating steam with the certain micro superheat degree is formed; water hammer impacting generated when steam is delivered through a pipe network can be effectively reduced, and the steam mixer is simple, convenient to use and maintain and low in running noise, and is an energy-saving device for mixing steam.

Description

technical field [0001] The invention belongs to the technical field of mixer equipment, in particular to a steam mixer. Background technique [0002] In industrial production, especially in waste heat recovery devices, the steam generated by waste heat boilers or steam regenerators is saturated steam, and what users need is slightly superheated steam with a certain degree of superheat, which requires another heat source to heat The saturated steam is generally heated by another high-quality superheated steam in industry. The method is roughly divided into partition wall heat exchange and steam injection. The method of time heat transfer between partition walls is generally suitable for large temperature differences. The high-quality steam after heat exchange still has downstream users. If the high-quality steam after heat exchange cannot be found If it is used properly, the superheated (or saturated) steam after heat exchange still has a lot of energy, which will be a great...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F5/00B01F3/02B01F23/10
CPCB01F23/10B01F2025/9191B01F2025/918B01F25/10
Inventor 陈振强
Owner 青岛康泰重工机械有限公司
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