CN210689813U

CN210689813U - Ion flame detector special for torch

Info

Publication number: CN210689813U
Application number: CN201921059219.3U
Authority: CN
Inventors: 李世力; 张树全; 高冰晶
Original assignee: Henan Wan An Oil Gas Equipment Engineering Co ltd
Current assignee: Henan Wan An Oil Gas Equipment Engineering Co ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-06-05
Anticipated expiration: 2029-07-09

Abstract

The utility model discloses a special ion flame detector for a torch, which comprises an ion probe, an armor extension line, a junction box and a transmitter, wherein the ion probe is connected with the junction box through the armor extension line; the ion probe is composed of an ion probe, a high-temperature-resistant insulating material and a shell, the high-temperature-resistant material is filled between the ion probe and the shell and then sintered, and the armored extension line is composed of a conductor, a temperature-resistant insulating layer and an armored protective sleeve. The utility model discloses because of the ion probe appearance is tiny and even as an organic whole with the armor extension line, characteristics such as armor extension line flexible do not receive torch installation space, all can install and use in the equipment appearance restriction of using.

Description

Ion flame detector special for torch

The technical field is as follows:

the utility model relates to a torch operation on-line monitoring technique in petrochemical, electric power, steel industry especially relates to a special ion flame detector of torch.

Background art:

at present, the on-line monitoring technical modes commonly used for torch operation in the industry comprise: thermocouple, ultraviolet detector and ultraviolet and infrared detector. Usually, the torch is a high-altitude and open-air device and has severe environments with high temperature, strong corrosivity and the like, and the three modes have some inevitable defects, so that the use effect is greatly reduced. With the progress of the material processing technology, the ion detection technology has the advantages of fast response, fixed-point detection and the like, and is a development trend when applied to a torch. However, related products in the industry at present comprise an ion probe (head) and an ion detection type incandescent lamp, which do not have the independence or integrity of an ion flame detector, have high requirements on installation technology, have large use limitation and are difficult to be matched with combustion equipment of a torch system.

The utility model has the following contents:

the utility model discloses the technical problem that will solve is: overcomes the defects of the prior art, and provides the special ion flame detector for the torch, which has reasonable design, convenient installation and wide application range.

The technical scheme of the utility model is that:

an ion flame detector special for a torch comprises an ion probe, an armored extension line, a junction box and a transmitter, wherein the ion probe is connected with the junction box through the armored extension line, the junction box is connected with the transmitter through a signal cable, and the transmitter is connected with a controller through a control cable; the ion probe is composed of an ion probe, a high-temperature-resistant insulating material and a shell, the high-temperature-resistant insulating material is filled between the ion probe and the shell and then sintered, and the armored extension line is composed of a conductor, a temperature-resistant insulating layer and an armored protective sleeve.

The ion probe is welded and fixed with one end of the armor extension line, and the other end of the armor extension line is in threaded connection with the junction box. The transmitter is installed in the junction box or in the instrument junction box.

The utility model has the advantages that:

1. the utility model discloses because of the ion probe appearance is tiny and even as an organic whole with the armor extension line, characteristics such as armor extension line flexible do not receive torch installation space, the available equipment appearance restriction all can install and use.

2. The utility model discloses probe, shell and the inside sintering of filling high temperature resistant insulating material that ionic probe was made by the superalloy material are accomplished, can work in flame for a long time, have characteristics such as waterproof, high temperature resistant, anti-oxidant.

3. The utility model discloses to ion probe and equipment shell loading certain voltage, utilize the free ionic conductivity that flame produced, produce weak current signal under the effect of flame, with current signal amplification processing output switching value signal to control room or control system, reach the discernment and have or not flame purpose.

4. The utility model discloses the armor extension line is made coaxial armor line by interior conductor, middle temperature resistant insulating flame retardant coating, armor protective case nichrome, has high temperature resistant, has the flexible characteristic simultaneously.

5. The device of the utility model is reasonable in design, simple to operate can use on each type torch, changming lamp and combustor, easily promotes, has good economic benefits.

Description of the drawings:

FIG. 1 is a schematic structural diagram of an ion flame detector for a torch;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic structural diagram at B in fig. 1.

The specific implementation mode is as follows:

example (b): referring to fig. 1-3, in the figure, 1-ion probe, 2-armoured extension line, 3-junction box, 4-transmitter, 11-ion probe, 12-high temperature resistant insulating material, 13-shell, 21-conductor, 22-temperature resistant insulating layer, 23-armoured protective sleeve.

The special ion flame detector of torch includes ion probe 1, armor extension line 2, terminal box 3 and changer 4, wherein: the ion probe 1 is connected with a junction box 3 through an armored extension line 2, the junction box 3 is connected with a transmitter 4 through a signal cable, and the transmitter 4 is connected with a controller (or a control system) through a control cable; the ion probe 1 consists of an ion probe 11, a high-temperature-resistant insulating material 12 and a shell 13, wherein the high-temperature-resistant insulating material 12 is filled between the ion probe 11 and the shell 13 and then sintered, and an armored extension line consists of a conductor 21, a temperature-resistant insulating layer 22 and an armored protective sleeve 23.

The preferred scheme is as follows: the ion probe 1 is welded and fixed with one end of the armor extension line 2, and the other end of the armor extension line 2 is in threaded connection with the junction box 3. Transmitter 4 is mounted in terminal block 3 or in the instrument connection box.

The ion probe 11 is made of high-temperature alloy, can resist temperature up to 1200 ℃, and has strong oxidation resistance. The shell 13 is made of nickel-chromium alloy and can resist the temperature up to 1200 ℃. And the high-temperature-resistant insulating material 12 is filled between the ion probe 11 and the shell 13 and is processed and formed by adopting a high-temperature sintering processing technology. The ion probe 1 has the characteristics of temperature resistance, corrosion resistance, rain resistance, oxidation resistance, long service life and the like. The function is as follows: the ion probe 11 is placed in the middle of the flame, and under the action of voltage loaded between the ion probe 11 and the equipment shell, weak current signals are generated under the action of the flame by utilizing the conductivity of free ions generated by the flame, and the current signals are amplified and processed to output switching value signals to a control room or a control system, so that the purpose of identifying whether the flame exists is achieved.

The conductor 21 is made of high-temperature alloy with good conductivity and can resist temperature as high as 1200 ℃. The temperature-resistant insulating layer 22 is wound on the conductor by adopting high-temperature-resistant and fireproof glass fiber cloth. The armor protective sleeve 23 is made of soft nickel-chromium alloy, can resist temperature up to 1200 ℃, and is wrapped on the outer layer of the temperature-resistant insulating layer to form an armor extension line. Has the characteristics of high temperature resistance, corrosion resistance, rain resistance, flexibility and the like. The function is as follows: extending from the high temperature area of the torch to the low temperature area, and transmitting the signal to the junction box. The flexible characteristic makes its simple to operate, does not receive the restriction of equipment appearance and installation space.

The junction box 3 is made of S30408 stainless steel and has the characteristics of corrosion resistance and rain resistance. The device is arranged in a low-temperature area of a torch, and a wiring terminal or a transmitter can be arranged inside the device. The function is as follows: and (6) signal switching. The transmitter 4 amplifies the current signal detected by the ion probe 1, processes the current signal and outputs a switching value signal to a control room or a control system.

One end of the junction box 3 is extended to a non-high temperature area at the lower part of the torch head by the armor extension wire 2, and then is connected with a common control cable. The armor extension 2 has high temperature resistance and has a flexible characteristic. The fixing buckle can be used for mounting and fixing, and the mounting mode is the same as that of an armored thermocouple.

The utility model discloses long service life, high temperature resistant, anticorrosion, rain-proof, anti-freezing, commonality are strong (can be used to the combustion apparatus of all kinds of torch systems), simple to operate (with armor thermocouple mounting form).

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments still fall within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a special ion flame detector of torch, includes ionic probe, armor extension line, terminal box and changer, characterized by: the ion probe is connected with the junction box through the armored extension line, the junction box is connected with the transmitter through a signal cable, and the transmitter is connected with the controller through a control cable; the ion probe is composed of an ion probe, a high-temperature-resistant insulating material and a shell, the high-temperature-resistant insulating material is filled between the ion probe and the shell and then sintered, and the armored extension line is composed of a conductor, a temperature-resistant insulating layer and an armored protective sleeve.

2. The ion flame detector special for torches of claim 1, which is characterized in that: the ion probe is welded and fixed with one end of the armor extension line, and the other end of the armor extension line is in threaded connection with the junction box.

3. The ion flame detector special for torches of claim 1, which is characterized in that: the transmitter is installed in the junction box or in the instrument junction box.