Bent tube type heater for natural gas

A bent tube heater technology, applied in heat treatment furnaces, heat treatment equipment, furnaces, etc., can solve the problems of complex induction heating equipment, inconvenient portability, and high cost, and achieve the effects of easy operation, convenient shipment, and low cost

Inactive Publication Date: 2004-03-17
李新民
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, induction heating equipment is complex, expensive, difficult to maintain, and inconvenient to carry, so it is not suitable for use in projects that move the construction site

Method used

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  • Bent tube type heater for natural gas
  • Bent tube type heater for natural gas

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0009] In the figure, elbow heater 1 is an air-regulating spiral piece, 2 is a nozzle, 3 is an outer nozzle, 4 is a burner, 5 is a hinge, 6 is a control handle, 7 is a guide block, and 8 is a positioning clamp. 10 is a switch, 11 is a waste gas discharge hole, and 12 is a flame injection hole.

[0010] As shown in the figure, the outer profile is a polygonal burner 4 with a thickness of about 40 mm, the outer profile is (40-60) mm from the inner wall, and the inner wall radius is 100 mm. The inner wall is provided with fire spray holes 12 with a diameter of 2mm, and the fire spray holes are evenly distributed and arranged, and the liquefied gas is introduced through the rubber hose, and the air pressure is adjusted to 0.5kgf / cm 2 . Inject into the burner 4 cavity through the nozzle 2, adjust the air and adjust the spiral piece 1, inhale an appropriate amount of air and mix it with fuel, use it to heat a shape memory alloy pipe joint with a thickness of 2mm, a length of 50mm, ...

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PUM

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Abstract

The natural gas burning bent pipe heater includes semi-circular heater, bent pipe opening-closing structure, jet and adjustable locating unit. The bent pipe opening-closing structure is a hinge mechanism comprising operating handle and hinge; the jet consists of air regulating screw sheet, nozzle and outer jet pipe; and the adjustable locating unit consists of locating clamp board, guide block and fixture. The present invention has small volume, easy moving, fast heating, easy operation and low cost. It may be used in heating to fasten various unions of shape memory alloy, annealing to eliminate stress, etc.

Description

technical field [0001] The invention belongs to a heater, more precisely the invention relates to a tube heater. Background technique [0002] In the aerospace, chemical, power, machinery and petroleum industries, in order to quickly heat the shape memory alloy pipe joints, so as to achieve the purpose of fastening the pipe ends and realizing the pipe connection. The method of induction heating is adopted at home and abroad, and its characteristic is that the pipe joint is heated rapidly and the temperature rise of the inner layer of the pipe is low, which should not cause the deterioration of the anti-corrosion layer on the inner wall of the pipe. However, the induction heating equipment is complex, expensive, difficult to maintain, and inconvenient to carry, so it is not suitable for use in projects with mobile construction sites. Contents of the invention [0003] The purpose of the present invention is to ove...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D9/08
Inventor 李新民
Owner 李新民
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