Burning torch of synthetic furnace

Abstract

The utility model relates to the technical field of ignition guns, in particular to a synthetic furnace ignition gun which comprises an outer sleeve and an inner pipe, the inner pipe comprises a transverse pipe and a vertical pipe, the transverse pipe is fixed in the outer sleeve, a gap is reserved between the outer wall of the transverse pipe and the inner wall of the outer sleeve, the top of the vertical pipe is fixedly communicated with the left end of the transverse pipe, and the vertical pipe extends out of the left side wall of the outer sleeve. An inlet in the bottom of the vertical pipe is a hydrogen inlet, an air inlet is formed in the side wall of the left portion of the outer sleeve, a flame detector is arranged on the right portion of the outer sleeve, and an outlet in the right portion of the outer sleeve is a flame outlet. The burner is reasonable and compact in structure and convenient to use, due to the structural design of the inner pipe and the outer sleeve, ignition jet flames can be enlarged, after ignition fails, nitrogen can be introduced through the inner pipe to purge, replace and clean the gas ignition environment, and the success rate of next-time ignition is increased; meanwhile, the burning torch made of the stainless steel can obviously solve the problem that an existing burning torch made of graphite is carbonized and blocked when located in a hearth for a long time.

Description

Technical Field

[0001] The utility model relates to the technical field of ignition guns, in particular to an ignition gun for a synthesis furnace. Background Art

[0002] The industry generally uses built-in ignition guns for ignition. Built-in ignition guns (see Figure 1 ) The ignition port is easily blocked, the flame is small, and the ignition success rate of the synthesis furnace is not high. At the same time, due to the built-in ignition process, an explosion detector is used for detection. If the detection is inaccurate, there is a risk of fire and explosion during ignition, which poses a great safety hazard.

[0003] Graphite ignition guns are commonly used as built-in ignition guns. The advantage of graphite ignition guns is that they are corrosion-resistant. The disadvantage is that each hydrogen chloride synthesis furnace requires one, which is expensive. In addition, because it is installed inside the synthesis furnace, the ignition effect is better in the early stage, but in the later stage, the ignition gun may be blocked, the jet flame is small, and the success rate of ignition is low. After running for a period of time, it still returns to the manual ignition method.

[0004] Manual ignition is labor-intensive, requires multiple valves to be operated, and has a complicated process. If there are any incorrect operations during the ignition process that affect the ignition efficiency, there are also safety hazards.

[0005] In addition, there are risks of personnel poisoning, flashback, fire and explosion during the synthesis furnace ignition process, which poses a major safety hazard and brings great safety risks to production safety. Summary of the invention

[0006] The utility model provides an ignition gun for a synthesis furnace, which overcomes the above-mentioned shortcomings of the prior art and can effectively solve the problem that the prior graphite ignition gun is easily blocked due to long-term storage in the furnace, resulting in small later jet flame and low furnace ignition success rate.

[0007] The technical scheme of the utility model is realized by the following measures: an ignition gun for a synthesis furnace comprises an outer sleeve and an inner tube, the inner tube comprises a transverse tube and a vertical tube, the transverse tube is fixed in the outer sleeve, a spacing is arranged between the outer wall of the transverse tube and the inner wall of the outer sleeve, the top of the vertical tube is fixedly connected with the left end of the transverse tube, the vertical tube extends from the left side wall of the outer sleeve, the bottom inlet of the vertical tube is a hydrogen inlet, the left side wall of the outer sleeve is provided with an air inlet, the right part of the outer sleeve is provided with a flame detector, the right outlet of the outer sleeve is a flame outlet, and an igniter is arranged on the inner side of the outer sleeve near the flame outlet.

[0008] The following are further optimizations and / or improvements to the above utility model technical solution:

[0009] The right end of the transverse tube is fixed to the inner side of the outer sleeve through a fixing plate.

[0010] A thermometer and an igniter are arranged on the right side of the fixing plate.

[0011] The flame detector mentioned above adopts an ultraviolet flame detector.

[0012] The outer sleeve and inner tube are both made of stainless steel.

[0013] The utility model has a reasonable and compact structure and is easy to use. The structural design of the inner tube and the outer tube can make the ignition jet flame larger. After the ignition fails, nitrogen can be introduced through the inner tube for purging and replacement to clean the gas ignition environment and improve the success rate of the next ignition. At the same time, the stainless steel ignition gun can significantly reduce the problem of carbonization and blockage of the existing graphite ignition gun in the furnace for a long time. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Attached Figure 1 It is a schematic diagram of the main cross-sectional structure of an existing hydrogen chloride synthesis furnace.

[0015] Attached Figure 2 It is a schematic diagram of the front cross-sectional structure of an embodiment of the utility model.

[0016] The codes in the attached drawings are: 1 is an outer sleeve, 2 is a horizontal tube, 3 is a vertical tube, 4 is a hydrogen inlet, 5 is an air inlet, 6 is a flame detector, 7 is an igniter, 8 is a fixing plate, 9 is a thermometer, and 10 is a flame outlet. DETAILED DESCRIPTION

[0017] The present invention is not limited by the following embodiments, and specific implementation methods can be determined according to the technical solution of the present invention and actual conditions.

[0018] In the present invention, for the convenience of description, the relative position relationship of each component is described according to the attached manual. Figure 2 The layout is described in detail, such as the positional relationship of front, back, top, bottom, left, right, etc., which is based on the attached manual. Figure 2 It is determined by the layout direction.

[0019] The present invention is further described below in conjunction with the embodiments and drawings:

[0020] As attached Figure 2 As shown, the synthesis furnace ignition gun includes an outer sleeve 1 and an inner tube, the inner tube includes a transverse tube 2 and a vertical tube 3, the transverse tube 2 is fixed in the outer sleeve 1, a spacing is set between the outer wall of the transverse tube 2 and the inner wall of the outer sleeve 1, the top of the vertical tube 3 is fixedly connected with the left end of the transverse tube 2, the vertical tube 3 extends from the left side wall of the outer sleeve 1, the bottom inlet of the vertical tube 3 is a hydrogen inlet 4, the left side wall of the outer sleeve 1 is provided with an air inlet 5, the right part of the outer sleeve 1 is provided with a flame detector 6, the right outlet of the outer sleeve is a flame outlet 10, and an igniter 7 is provided on the inner side of the outer sleeve 1 near the flame outlet 10.

[0021] The ignition gun of the synthesis furnace is an inner and outer tube structure, which is divided into an inner tube and an outer tube 1. The inner tube is mainly used to pass hydrogen and nitrogen, and the outer tube 1 is passed compressed air. An igniter 7 is installed at the gun head (the right end of the horizontal tube 2), which can not only ensure that the hydrogen can be fully burned, but also ensure that the ignition gun can be purged and replaced after ignition failure. In order to ensure safety during the ignition process, a flame detector 6 is installed on the right side of the outer tube 1, which can monitor the entire process from the ignition gun to the extinguishing, and introduce the flame detection signal into the ignition determination program to improve the safety and reliability of ignition.

[0022] After hydrogen is introduced into the inner tube and compressed air is introduced into the outer tube 1 of the ignition gun, the hydrogen can be fully burned and the jet flame becomes larger during ignition.

[0023] The use of this synthesis furnace ignition gun can reduce the workload of employees. During the ignition process, the synthesis furnace does not need an operator to be present. Through this transformation, the synthesis furnace can be operated unmanned from ignition, operation, and shutdown, reducing the safety hazards in the ignition process and achieving the inherent safety of the synthesis furnace. At the same time, it solves the problem that the graphite ignition gun is blocked, the jet flame is small, and the success rate of ignition is low due to the long-term storage of the graphite ignition gun in the furnace.

[0024] After successful ignition using the ignition gun of the synthesis furnace, the furnace can be withdrawn.

[0025] The above synthesis furnace ignition gun can be further optimized and / or improved according to actual needs:

[0026] As attached Figure 2 As shown, the right end of the transverse tube 2 is fixed to the inner side of the outer sleeve 1 through a fixing plate 8. The fixing plate 8 can also be made of 310S stainless steel.

[0027] As attached Figure 2 As shown, a thermometer 9 and an igniter 7 are arranged on the right side of the fixing plate 8 .

[0028] As required, the flame detector 6 is an ultraviolet flame detector.

[0029] The ultraviolet flame detector is only sensitive to the ultraviolet rays generated, has no reaction to the light and high temperature radiation of the furnace, and has strong anti-interference ability.

[0030] As required, the outer sleeve 1 and the inner tube are both made of stainless steel.

[0031] For example, 310S stainless steel can be used. The selection of stainless steel can significantly reduce the problem of carbonization and clogging of existing graphite ignition guns in the furnace for a long time.

[0032] The above technical features constitute a preferred embodiment of the present utility model, which has strong adaptability and implementation effect. Non-essential technical features can be added or removed according to actual needs to meet the requirements of different situations.

Claims

1. A synthesis furnace ignition gun, characterized in that It includes an outer sleeve and an inner tube. The inner tube includes a horizontal tube and a vertical tube. The horizontal tube is fixed in the outer sleeve. A spacing is set between the outer wall of the horizontal tube and the inner wall of the outer sleeve. The top of the vertical tube is fixedly connected with the left end of the horizontal tube. The vertical tube extends from the left side wall of the outer sleeve. The bottom inlet of the vertical tube is a hydrogen inlet. An air inlet is set on the left side wall of the outer sleeve. A flame detector is set on the right side of the outer sleeve. The right outlet of the outer sleeve is a flame outlet. An igniter is set on the inner side of the outer sleeve near the flame outlet.

2. The synthesis furnace ignition gun according to claim 1, characterized in that The right end of the transverse tube is fixed to the inner side of the outer sleeve through a fixing plate.

3. The synthesis furnace ignition gun according to claim 2, characterized in that A thermometer and an igniter are provided on the right side of the fixing plate.

4. The synthesis furnace ignition gun according to claim 1, 2 or 3, characterized in that The flame detector adopts ultraviolet flame detector.

5. The synthesis furnace ignition gun according to claim 1, 2 or 3, characterized in that The outer tube and inner tube are made of stainless steel.

6. The synthesis furnace ignition gun according to claim 4, characterized in that The outer tube and inner tube are made of stainless steel.

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