Thermocouple capable of preventing burning loss for converter

Abstract

The utility model relates to the technical field of thermocouples, in particular to a thermocouple capable of preventing burning loss for a converter, which is applied to a furnace body, and the top surface of the furnace body is provided with a mounting hole. A mounting structure is mounted on the top surface of the furnace body and comprises a mounting pipe, the mounting pipe is fixedly mounted on the inner side of the mounting hole through threads, a rotating disc is integrally formed in the middle of the outer wall of the mounting pipe, a gasket is arranged on the bottom surface of the rotating disc, and a positioning block is integrally formed at the bottom end of the inner wall of the mounting pipe; and a mounting frame is fixedly mounted on the top surface of the mounting pipe through threads. According to the utility model, the thermocouple main body can be driven to move up and down in the furnace body by arranging the liftable mounting cylinder, and the bottom end of the thermocouple main body can be always buried in the catalyst bed layer when the catalyst bed layer sinks, so that the thermocouple main body can be prevented from being burnt out by high-temperature flame at the upper part of the catalyst bed layer, and the use experience of the thermocouple main body can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a thermocouple technical field, concretely is a kind of thermocouple for reformer with prevent burning loss. BACKGROUND

[0002] Reformer is the important equipment in chemical plant such as coke oven gas synthesis ammonia and synthesis methanol, and the structure of the reformer commonly used at present is: the raw material gas preheated is introduced into furnace body from the top of reformer, the oxygen preheated or pure oxygen is entered into non-metallic burner from oxygen inlet, and enters into furnace body through distribution hole on non-metallic burner, and carries out combustion reaction with raw material gas, then enters into catalyst bed layer and carries out conversion reaction, finally, the conversion gas is discharged from conversion gas outlet.

[0003] For this, China application patent number: CN201921149681.2, discloses a kind of reformer of thermocouple that can prevent burning loss, including shell, the upper part of shell cavity is combustion chamber, the lower part of shell cavity is conversion chamber, raw material gas inlet and burner are mutually matched, built-in catalyst bed layer in conversion chamber, conversion chamber bottom is equipped with conversion gas outlet, the spacing between second thermocouple and first thermocouple is less than the spacing between second thermocouple and third thermocouple, first thermocouple, second thermocouple and third thermocouple all include protective sleeve, protective cover, cover and odd core, return spring is equipped between pressure reducing plate and cover bottom, protective sleeve side is equipped with first flange and second flange, first nut is used to resist at first flange bottom, second nut is used to resist at second flange top.The utility model has the advantages that: prolong the use time of reformer thermocouple, effectively reduce the replacement cost of reformer thermocouple, ensure the safe and stable operation of reformer.

[0004] The reformer is installed with three groups of thermocouples on shell, can bury thermocouple into catalyst bed layer when catalyst bed layer subsides, but when catalyst bed layer continuously subsides, the uppermost group of thermocouples will be separated from catalyst bed layer, and then high-temperature flame on catalyst bed layer will burn thermocouple, causing thermocouple to be damaged, which needs to be replaced, increasing the use cost of device.

[0005] Therefore, in order to solve the above problems, a kind of thermocouple for reformer with prevent burning loss is provided. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of thermocouple for reformer with prevent burning loss, to solve the problems that the reformer in prior art mentioned in the above background art is installed with three groups of thermocouples on shell, can bury thermocouple into catalyst bed layer when catalyst bed layer subsides, but when catalyst bed layer continuously subsides, the uppermost group of thermocouples will be separated from catalyst bed layer, and then high-temperature flame on catalyst bed layer will burn thermocouple, causing thermocouple to be damaged, which needs to be replaced, increasing the use cost of device.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a heat -conducting element for converter with prevent burning loss, it applies to furnace body, the top surface of furnace body is equipped with mounting hole;

[0008] The top surface of the furnace body is provided with a mounting structure, the mounting structure comprises a mounting pipe, the mounting pipe is fixedly installed in the inner side of the mounting hole through screw thread, the outer wall middle part of the mounting pipe is integrally formed with a rotating disc, the bottom surface of the rotating disc is provided with a gasket, the inner wall bottom end of the mounting pipe is integrally formed with a positioning block, the top surface of the mounting pipe is fixedly installed with a mounting frame through screw thread, the middle part of the mounting frame is screw -threaded with a threaded hand rod, the bottom end of the threaded hand rod is rotatably connected with a movable frame, the bottom surface of the movable frame is fixedly connected with a mounting cylinder through screw thread, the outer wall upper end of the mounting cylinder is equipped with a piston ring, the outer wall lower end of the mounting cylinder is equipped with a sliding slot, the inside bottom surface of the mounting cylinder is installed with a heat -conducting element main part.

[0009] Preferably, the bottom surface of the gasket is attached to the top surface of the furnace body.

[0010] Preferably, the positioning block is clamped in the inside of the sliding slot.

[0011] Preferably, the outer wall of the piston ring is attached to the inner wall of the mounting pipe.

[0012] Preferably, the bottom end of the heat -conducting element main part penetrates the bottom surface of the mounting cylinder.

[0013] Compared with the prior art, the utility model has the advantages that: the utility model through setting up liftable movable mounting cylinder, can drive heat -conducting element main part in furnace body up and down activity, when catalyst bed layer subsides, the bottom end of heat -conducting element main part can always be buried in catalyst bed layer, can avoid high temperature flame of catalyst bed layer upper portion to burn heat -conducting element main part, can improve the use experience of heat -conducting element main part.

[0014] The utility model discloses a mounting structure is installed in the top surface of the furnace body, uses, and the catalyst bed layer will sink, at this time, rotates the screw hand pole, and the screw hand pole is connected with the mounting frame screw thread, and the rotation of screw hand pole is in the mounting frame and moves down, and the screw hand pole is through the movable frame and drives the installation cylinder to descend in the installation pipe inside, and the positioning block is clamped in the sliding slot, and the positioning block can slide in the sliding slot when the installation cylinder is movable, can make the installation cylinder in the activity stable in the installation pipe inside, and the installation cylinder can adjust the position of thermocouple main part in the furnace body when descending, can make the bottom end of thermocouple main part always bury in the catalyst bed layer, can protect thermocouple main part, avoid the high temperature flame on the catalyst bed layer and burn thermocouple main part, can prolong the service life of thermocouple main part, and then guarantee the use experience of thermocouple main part. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure front view schematic diagram of the utility model;

[0016] Figure 2 It is the structure front view cross section schematic diagram of the furnace body of the utility model;

[0017] Figure 3 It is the structure front view cross section schematic diagram of the mounting structure of the utility model;

[0018] Figure 4 It is the front view cross section structure explosion schematic diagram of the mounting structure of the utility model.

[0019] In the drawing: 1, furnace body;11, mounting hole;2, mounting structure;21, installation pipe;22, rotating disc;23, gasket;24, positioning block;25, mounting frame;26, screw hand pole;27, movable frame;28, installation cylinder;29, piston ring;210, sliding slot;211, thermocouple main part. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the scope of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides an embodiment:

[0022] The furnace body 1 and the thermocouple body 211 used in the present application are products that can be directly purchased on the market, and their principles and connection modes are prior art known to those skilled in the art, so they will not be described here.

[0023] A thermocouple capable of preventing burning loss for a reformer is applied to a furnace body 1, and the top surface of the furnace body 1 is provided with a mounting hole 11;

[0024] The top surface of the furnace body 1 is provided with a mounting structure 2, which comprises a mounting pipe 21 fixedly installed on the inner side of the mounting hole 11 through screw threads, and a rotating disc 22 integrally formed in the middle of the outer wall of the mounting pipe 21. The bottom surface of the rotating disc 22 is provided with a gasket 23, and the inner wall of the mounting pipe 21 is integrally formed with a positioning block 24 at the bottom end. The top surface of the mounting pipe 21 is fixedly installed with a mounting rack 25 through screw threads, and the middle part of the mounting rack 25 is threadedly connected with a threaded hand lever 26. The bottom end of the threaded hand lever 26 is rotatably connected with a movable rack 27, and the bottom surface of the movable rack 27 is fixedly connected with a mounting cylinder 28 through screw threads. The outer wall of the mounting cylinder 28 is provided with a piston ring 29 at the upper end, and a sliding groove 210 is formed at the lower end of the outer wall of the mounting cylinder 28. The inside bottom surface of the mounting cylinder 28 is provided with a thermocouple body 211, and the mounting cylinder 28 is liftable and movable, which can drive the thermocouple body 211 to move up and down in the furnace body 1. When the catalyst bed sinks, the bottom end of the thermocouple body 211 can always be buried in the catalyst bed, which can avoid the high-temperature flame in the upper part of the catalyst bed from burning the thermocouple body 211, and can improve the use experience of the thermocouple body 211.

[0025] Further, the bottom surface of the gasket 23 is attached to the top surface of the furnace body 1, and the gasket 23 can ensure the sealing performance of the connection between the mounting pipe 21 and the mounting hole 11.

[0026] Further, the positioning block 24 is clamped in the inside of the sliding groove 210, and the positioning block 24 can slide in the sliding groove 210, so that the mounting cylinder 28 can remain stable when moving in the mounting pipe 21.

[0027] Further, the outer wall of the piston ring 29 is attached to the inner wall of the mounting pipe 21, and the piston ring 29 can ensure the sealing performance of the inner side of the mounting pipe 21, so as to avoid the materials and heat in the furnace body 1 from leaking upward through the gap between the mounting pipe 21 and the mounting cylinder 28.

[0028] Further, the bottom end of the thermocouple body 211 penetrates the bottom surface of the mounting cylinder 28, and the temperature in the catalyst bed can be measured through the thermocouple body 211. The thermocouple body 211 can move up and down under the driving of the mounting cylinder 28, so as to adjust the position of the thermocouple body 211 in the furnace body 1, and the bottom end of the thermocouple body 211 can always be located in the catalyst bed.

[0029] Working principle: when installing, install the thermocouple body 211 in the installation cylinder 28, rotate the movable frame 27 on the top surface of the installation cylinder 28, install the installation cylinder 28 inside the installation pipe 21, so that the positioning block 24 is clamped inside the sliding groove 210, then rotate the installation frame 25, and the installation frame 25 is rotated on the top surface of the installation pipe 21, so that the device can be assembled, and the installation pipe 21 is rotated inside the installation hole 11, so that the installation structure 2 can be installed on the top surface of the furnace body 1;

[0030] When in use, the catalyst bed will sink, at which time the threaded hand lever 26 is rotated, the threaded hand lever 26 is in threaded connection with the installation frame 25, and rotation of the threaded hand lever 26 moves downward in the installation frame 25; the threaded hand lever 26 drives the installation cylinder 28 to descend inside the installation pipe 21 through the movable frame 27, the positioning block 24 is clamped in the sliding groove 210, and the positioning block 24 can slide in the sliding groove 210 when the installation cylinder 28 is moving, so that the movement of the installation cylinder 28 inside the installation pipe 21 is stable; when the installation cylinder 28 descends, the position of the thermocouple body 211 inside the furnace body 1 can be adjusted, so that the bottom end of the thermocouple body 211 is always embedded in the catalyst bed, the thermocouple body 211 can be protected, the high-temperature flame on the catalyst bed can be prevented from burning the thermocouple body 211, the service life of the thermocouple body 211 can be prolonged, and the use experience of the thermocouple body 211 is ensured.

[0031] The above is only a preferred embodiment of the present application, and does not limit the present application in any form; any person skilled in the art can easily implement the present application according to the drawings and the above description; however, any equivalent changes, modifications and evolution of the above-mentioned technical content within the scope of the technical scheme of the present application are equivalent embodiments of the present application; meanwhile, any equivalent changes, modifications and evolution of the above-mentioned technical content within the scope of the technical scheme of the present application are equivalent embodiments of the present application; meanwhile, any equivalent changes, modifications and evolution of the above-mentioned technical content within the scope of the technical scheme of the present application are equivalent embodiments of the present application.

Claims

1. A thermocouple for a converter that can prevent burnout, applied to a furnace body (1), wherein the top surface of the furnace body (1) is provided with an installation hole (11). Its features are: The top surface of the furnace body (1) is equipped with an installation structure (2), which includes an installation tube (21). The installation tube (21) is fixedly installed inside the installation hole (11) by threads. A rotating disk (22) is integrally formed in the middle of the outer wall of the installation tube (21). A gasket (23) is provided on the bottom surface of the rotating disk (22). A positioning block (24) is integrally formed at the bottom end of the inner wall of the installation tube (21). The top surface of the installation tube (21) is fixedly installed by threads. Mounting bracket (25), with a threaded handle (26) threadedly connected to the middle part of the mounting bracket (25), and a movable frame (27) rotatably connected to the bottom end of the threaded handle (26). A mounting cylinder (28) is fixedly connected to the bottom surface of the movable frame (27) by threads. A piston ring (29) is provided at the upper end of the outer wall of the mounting cylinder (28), and a sliding groove (210) is provided at the lower end of the outer wall of the mounting cylinder (28). A thermocouple body (211) is installed on the inner bottom surface of the mounting cylinder (28).

2. The thermocouple for a converter that can prevent burnout according to claim 1, characterized in that: The bottom surface of the gasket (23) is in contact with the top surface of the furnace body (1).

3. A thermocouple for a converter that can prevent burnout according to claim 1, characterized in that: The positioning block (24) is engaged inside the slide groove (210).

4. A thermocouple for a converter that can prevent burnout according to claim 1, characterized in that: The outer wall of the piston ring (29) fits against the inner wall of the mounting tube (21).

5. A thermocouple for a converter that can prevent burnout according to claim 1, characterized in that: The bottom end of the thermocouple body (211) penetrates the bottom surface of the mounting cylinder (28).

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