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Duct for preventing water spray of hot-blast valve and use method

A hot air valve and conduit technology, which is applied to the heating/cooling device, valve details, valve device and other directions of the valve, can solve the problems of inconvenient cooling water feeding and discharging methods, burns by maintenance personnel, etc., and achieve flexible control of valve core flow. The effect of water volume, increased fluidity, and simple conduit structure

Inactive Publication Date: 2017-01-04
MCC5 GROUP CORP SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the cooling water hose is pumped back and forth into the hot air valve core with a temperature of hundreds of degrees, and the hot air valve sprays water, causing the risk of scalding the maintenance personnel
[0003] Therefore, there are above-mentioned inconveniences and problems in the feed and discharge mode of cooling water in the known hot air valve spool.

Method used

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  • Duct for preventing water spray of hot-blast valve and use method
  • Duct for preventing water spray of hot-blast valve and use method
  • Duct for preventing water spray of hot-blast valve and use method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] The conduit for preventing the hot air valve from spraying water in the present invention includes an L-shaped conduit, which is an improvement to the known way of inserting the leather tube by hand and adding cooling water to cool the valve core, and the valve core cooling water leather tube interface is moved to the valve core Externally, the cooling water can be passed into the valve core from the outside of the valve core.

[0033] see now figure 2 , figure 2 It is a structural schematic diagram of the conduit for preventing the hot air valve from spraying water according to the embodiment of the present invention. As shown in the figure, the L-shaped conduit is provided with a 45° pipe elbow 1 with a specification of DN60, one end of the elbow is connected with a flanged nut 2 through a short pipe, and the other end of the elbow is connected through a short pipe with a thread. One end of the joint 3, the other end of the union is connected to one end of the fir...

Embodiment 2

[0036] When the present invention prevents the hot air valve from spraying water, the M55 large nut on the water inlet and outlet pipe of the old hot air valve valve core that has been replaced can be disassembled and utilized. A total of two 55mm nuts are needed, and the nut is connected to the DN60 by electric welding. The 45° elbow is butt welded, the DN28 joint is welded on the other side of the elbow, and the 600mm long, DN20 galvanized pipe is welded on the other end of the joint.

Embodiment 3

[0038] The method for using the catheter for preventing the hot air valve from spraying water according to Embodiment 1 of the present invention comprises the following steps:

[0039] a. When the hot blast valve 7 is replaced, open the hot blast valve support 11, lift the old hot blast valve with a crane; hoist the new hot blast valve in.

[0040] b. Unscrew the joint 3 of the L-shaped conduit, connect the nut 2 with the flange surface to the cooling water inlet of the hot air valve core, and use it as the cooling water inlet pipe; use the same method to connect the second L-shaped conduit The blue surface nut 2 is connected with the cooling water outlet of the hot air valve spool, and is used as a cooling water outlet pipe;

[0041] c. Tighten the joints 3 of the first L-shaped conduit and the second L-shaped conduit respectively, and connect the first steel pipe 4 of the first L-shaped conduit with the cooling water leather pipe, and the second L-shaped conduit The second ...

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PUM

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Abstract

A duct for preventing water spray of a hot-blast valve comprises an L-shaped duct body and is characterized in that the L-shaped duct body is provided with a 45-degree duct elbow (1), one end of the elbow is connected with a nut (2) with a flange surface in a threaded manner through a short pipe, the other end of the elbow is connected with one end of a movable joint (3) in a threaded manner through a short pipe, the other end of the movable joint is connected with one end of a first steel pipe (4), the other end of the first steel pipe is connected with cooling water leather pipe, and the other end of the nut (2) with the flange surface is communicated with a hot-blast valve cooling water inlet or a hot-blast valve cooling water outlet. When the duct is used, two L-shaped ducts are provided, a first L-shaped duct serves as a cooling water inlet pipe, cooling water enters a valve element of the hot-blast valve from the first steel pipe (4), so that cooling functions are achieved, a second L-shaped duct serves as a cooling water outlet pipe, and the cooling water cooled by the valve element of the hot-blast valve is drawn by a second steel pipe (10). The duct has the advantages that the duct is simple in structure, convenient to manufacture, the flow capacity of the valve element is flexibly controlled, and scald caused by splash is prevented.

Description

technical field [0001] The invention relates to a conduit for guiding water flow, in particular to a conduit for preventing water spray from a hot air valve and a use method thereof. Background technique [0002] During the replacement process of the hot air valve, cooling water needs to be added to the inside of the valve core when the valve core is heated before the hot air valve shelf is reinstalled. After a period of time, insert the leather tube to pump out the cooling water, otherwise the hot air valve will leak everywhere, and even spray water to affect the maintenance work. However, the cooling water hose is pumped back and forth into the hot air valve spool with a high temperature of hundreds of degrees, and the hot air valve sprays water, causing the risk of scalding the maintenance personnel. [0003] Therefore, there are above-mentioned inconveniences and problems in the feed and discharge mode of cooling water in the known hot air valve spool. Contents of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K49/00
CPCF16K49/00
Inventor 丁祖云李力李见平
Owner MCC5 GROUP CORP SHANGHAI