Fixing structure for surface temperature measuring sensor

Abstract

The utility model provides a fixing structure for a surface temperature measurement sensor, and relates to the technical field of fixing structures for temperature measurement sensors, and the fixing structure comprises an end cover arranged in the wall of a reactor, a temperature sensor body inner sleeve is arranged in a temperature sensor body outer sleeve, and the temperature sensor body inner sleeve is matched with the end cover. The clamping sleeve type terminal connector is arranged in a sleeve in the temperature sensor body, the front end of the clamping sleeve type terminal connector is matched with the end cover, and the inner end of the clamping sleeve type terminal connector is inserted into the wall of a reactor. According to the invention, the reactor wall, the temperature sensor body outer sleeve and the clamping sleeve type terminal joint are fixed by adopting a clamping sleeve type fixing structure and a graphite sealing mode, so that compared with a traditional silver soldering fixing process, the adverse effect of welding high temperature on the overall quality of the temperature sensor is fundamentally reduced, and the temperature sensor is more stable and reliable through an assembly type installation mode. The mounting structure has the characteristics of low manufacturing cost, good mounting manufacturability, stable mounting state, high mounting precision, low mounting difficulty and the like.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of fixing structure for surface temperature measuring sensor, in particular to a fixing structure for surface temperature measuring sensor. BACKGROUND

[0002] Temperature sensor refers to the sensor capable of sensing temperature and converting into available output signal. Temperature sensor is the core part of temperature measuring instrument, and various types are available. According to the measuring mode, it can be divided into two categories of contact type and non-contact type, and according to the characteristics of sensor material and electronic element, it can be divided into two categories of thermal resistance and thermocouple.

[0003] In the installation of surface temperature sensor of Univation Unipol gas phase fluidized bed process reactor, the traditional process package requires silver soldering fixation. The melting point of silver solder is between 600-800 DEG C, and the actual welding temperature needs to be higher than the melting point by 30-100 DEG C, that is, 630-900 DEG C. In this high-temperature welding process, the 3mm sensor is easily damaged, which leads to the inability to use or shortens the service life, and seriously affects the reliability of the important basis for process operation. The required extension length of the sensor is 9mm+1mm, and it is difficult to accurately control the length during welding, which often causes repeated welding, further increases the risk of sensor damage, and at the same time causes waste of manpower and material resources, so there are deficiencies. CONTENT OF THE INVENTION

[0004] In order to make up for the above deficiencies, the present application provides a fixing structure for surface temperature measuring sensor, which aims to improve the problem that the 3mm sensor is easily damaged in the high-temperature welding process, which leads to the inability to use or shortens the service life, and seriously affects the reliability of the important basis for process operation. The required extension length of the sensor is 9mm+1mm, and it is difficult to accurately control the length during welding, which often causes repeated welding, further increases the risk of sensor damage, and at the same time causes waste of manpower and material resources.

[0005] The present application is implemented as follows:

[0006] The present application provides a fixing structure for surface temperature measuring sensor, which comprises:

[0007] A reactor wall is provided with an end cover;

[0008] A temperature sensor body outer sleeve is provided with a temperature sensor body inner sleeve inside, and the temperature sensor body inner sleeve is matched with the end cover;

[0009] The sleeve type terminal connector is arranged in the sleeve of the temperature sensor body, the front end of the sleeve type terminal connector is arranged in cooperation with the end cover, and the inner end of the sleeve type terminal connector is inserted into the reactor wall.

[0010] In an embodiment of the present application, the side wall of the reactor wall is provided with a mounting hole arranged in cooperation with the end cover.

[0011] In an embodiment of the present application, the upper end of the end cover is provided with a plug hole, the outer end of the plug hole is provided with an inclined clamping groove, and the side wall of the end cover is fixedly connected with a mounting pipe.

[0012] In an embodiment of the present application, the tail end of the temperature sensor body sleeve is fixedly connected with a temperature sensor body fixing flange, the temperature sensor body fixing flange is sleeved at the tail end of the temperature sensor body sleeve, the temperature sensor body fixing flange is provided with a first fixing hole, and the front end of the temperature sensor body sleeve is sleeved outside the end cover.

[0013] In an embodiment of the present application, the front end of the temperature sensor body sleeve is provided with a threaded hole, and the threaded hole is arranged in cooperation with the mounting pipe.

[0014] In an embodiment of the present application, a graphite sealing gasket is placed in the threaded hole, the inner side of the graphite sealing gasket is in abutment with the threaded hole, and the outer side of the graphite sealing gasket is in abutment with the end of the mounting pipe.

[0015] In an embodiment of the present application, the tail end of the temperature sensor body sleeve is provided with a temperature sensor body fixing flange, the temperature sensor body fixing flange is provided with a second fixing hole, the second fixing hole is arranged in cooperation with the first fixing hole, and a fixing bolt is arranged between the second fixing hole and the first fixing hole.

[0016] In an embodiment of the present application, a sealing gasket is arranged between the temperature sensor body fixing flange and the temperature sensor body fixing flange, and the tail end of the temperature sensor body fixing flange is fixedly connected with a limiting block.

[0017] In an embodiment of the present application, the front end of the sleeve type terminal connector is arranged in the inclined clamping groove, the tail end of the sleeve type terminal connector is electrically connected with a data transmission line, and the data transmission line is arranged in the temperature sensor body sleeve and extends backward through the temperature sensor body fixing flange.

[0018] In an embodiment of the present application, the tail end of the data transmission line is provided with a sleeve type connector, and the sleeve type connector is in abutment with the limiting block.

[0019] The beneficial effects of the present application are: by adopting a flexible sleeve fixing mode, the sleeve fixing scheme ingeniously realizes the DN50 pipe end face originally required by the inner wall of the reactor, avoiding the entry of fine powder. Meanwhile, graphite packing is adopted for sealing, which is reliable and firm; the assembly scheme and installation method design of the reactor wall, temperature sensor body outer sleeve pipe and sleeve type terminal connector are reasonable and ingenious in design, compared with the traditional silver soldering fixing process, the adverse effects of high temperature welding on the overall quality of the temperature sensor are fundamentally reduced, the adjustment difficulty of the extension length is solved, the overall detection precision of the temperature sensor is improved, great convenience is brought to production, through the assembly type installation form, the manufacturing cost is low, the installation process is good, the installation state is stable, the installation precision is high and the installation difficulty is low, etc., which provides a reliable technical scheme for the surface temperature detection of the Uni pol gas phase fluidized bed process reactor, and has important application and popularization value in the related industrial production field. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0021] Figure 1 The present application provides a surface temperature measurement sensor fixing structure.

[0022] In the figure: 1, reactor wall; 2, temperature sensor body outer sleeve pipe; 3, temperature sensor body fixing method; 4, temperature sensor body matching flange; 5, sleeve type terminal connector; 6, end cover; 7, sleeve type connector; 8, temperature sensor body inner sleeve pipe; 9, temperature sensor body inner sleeve pipe; 10, mounting pipe; 11, graphite gasket; 12, inclined clamping groove; 13, limiting block; 14, data transmission line; 15, first fixing hole; 16, second fixing hole. DETAILED DESCRIPTION

[0023] The embodiments of the present application will be described in detail below with reference to the drawings. In the case of no conflict, the following examples and features in the examples can be combined with each other.

[0024] As shown in the drawings, according to the surface temperature measurement sensor fixing structure of the present application, the surface temperature measurement sensor fixing structure comprises: Figure 1

[0025] The reactor wall 1 is provided with an end cover 6;

[0026] ​The temperature sensor body outer sleeve 2 is internally provided with a temperature sensor body inner sleeve 8, and the temperature sensor body inner sleeve 8 is arranged in cooperation with the end cover 6;

[0027] The sleeve type terminal connector 5 is arranged in the temperature sensor body inner sleeve 8, the front end of the sleeve type terminal connector 5 is arranged in cooperation with the end cover 6, and the inner end of the sleeve type terminal connector 5 is inserted into the reactor wall 1;

[0028] The temperature sensor body outer sleeve 2, the temperature sensor body fixing flange 3, the temperature sensor body matching flange 4, the sleeve type terminal connector 5 and the data transmission line 14 constitute a whole temperature sensor.

[0029] After the whole temperature sensor is connected by physical means, the whole temperature sensor is not damaged, the process workshop can continuously and stably produce according to the reaction temperature, the stability of production is effectively ensured, the production cost and time cost are greatly saved, and the production efficiency is greatly improved.

[0030] As shown in Figure 1 The side wall of the reactor wall 1 is provided with a mounting hole arranged in cooperation with the end cover 6, so as to facilitate the installation and fixation of the end cover 6.

[0031] Further, the upper end of the end cover 6 is provided with a insertion hole, and the outer end of the insertion hole is provided with an inclined clamping groove 12, so as to stably clamp the front end of the sleeve type terminal connector 5, and the side wall of the end cover 6 is fixedly connected with a mounting pipe 10.

[0032] As shown in Figure 1 The tail end of the temperature sensor body outer sleeve 2 is fixedly connected with the temperature sensor body fixing flange 3, the temperature sensor body fixing flange 3 is sleeved at the tail end of the temperature sensor body inner sleeve 8, the first fixing hole 15 is arranged on the temperature sensor body fixing flange 3, and the front end of the temperature sensor body outer sleeve 2 is sleeved outside the end cover 6.

[0033] Further, the front end of the temperature sensor body inner sleeve 8 is provided with a threaded hole 9, the threaded hole 9 is arranged in cooperation with the mounting pipe 10, and the threaded hole 9 is directly rotated and mounted, that is, physically mounted, so as not to damage the whole temperature sensor, to ensure that the process workshop can continuously and stably produce according to the reaction temperature, to effectively ensure the stability of production, to greatly save the production cost and time cost, and to greatly improve the production efficiency.

[0034] Further, the graphite sealing gasket 11 is placed in the threaded hole 9, the inner side of the graphite sealing gasket 11 abuts against the threaded hole 9, the outer side of the graphite sealing gasket 11 abuts against the end of the mounting pipe 10, and the graphite sealing gasket 11 can be more stably sealed, so as to effectively prevent the material from leaking out of the reactor.

[0035] Further, the tail of the temperature sensor body inner sleeve 8 is provided with a temperature sensor body matching flange 4, and a second fixing hole 16 is formed in the temperature sensor body matching flange 4, and the second fixing hole 16 is arranged in cooperation with the first fixing hole 15, and a fixing bolt is arranged between the second fixing hole 16 and the first fixing hole 15.

[0036] Further, a sealing gasket is arranged between the temperature sensor body matching flange 4 and the temperature sensor body fixing flange 3, and the tail end of the temperature sensor body matching flange 4 is fixedly connected with a limiting block 13.

[0037] As shown in the figure, the front end of the sleeve type terminal connector 5 is inserted into the inclined clamping groove 12, and the tail end of the sleeve type terminal connector 5 is electrically connected with a data transmission line 14, and the data transmission line 14 is arranged in the temperature sensor body inner sleeve 8 and extends backward through the temperature sensor body matching flange 4. Figure 1 Further, the tail end of the data transmission line 14 is provided with a sleeve type connector 7, and the sleeve type connector 7 abuts against the limiting block 13.

[0038] Specifically, the working principle of the surface temperature measurement sensor fixing structure is that after the temperature sensor is assembled in whole, the sleeve type terminal connector 5 is at the front end, then the front end of the sleeve type terminal connector 5 is inserted into the end cover 6 and is protruded forward, the temperature sensor body outer sleeve 2 is rotated to drive the sleeve type terminal connector 5 to rotate, the sleeve type connector 7 is used for sealing and locking, at the same time, the graphite sealing gasket 11 in the end cover 6 is subjected to extrusion sealing, so as to ensure the sealing property and stability of the tooling, and then the normal work of the temperature sensor after the whole installation is ensured.

[0039] In summary, the reactor wall 1, the temperature sensor body outer sleeve 2 and the sleeve type terminal connector 5 adopt a flexible sleeve type fixing mode, and the sleeve fixing scheme ingeniously realizes the originally required DN50 pipe end face of the reactor inner wall to avoid the entry of fine powder. At the same time, graphite packing is used for sealing, which is reliable and firm; the assembly scheme and installation method of the reactor wall 1, the temperature sensor body outer sleeve 2 and the sleeve type terminal connector 5 are reasonably designed and ingeniously conceived, compared with the traditional silver soldering fixing process, the adverse effects of high temperature welding on the overall quality of the temperature sensor are fundamentally reduced, the adjustment difficulty of the extension length is solved, the overall detection accuracy of the temperature sensor is improved, great convenience is brought to production, through the assembly type installation form, the fixing structure has the characteristics of low manufacturing cost, good installation process, stable installation state, high installation precision and low installation difficulty, and provides a reliable technical scheme for the surface temperature detection of the Unipol gas phase fluidized bed process reactor, and has important application and popularization value in the related industrial production field.

[0040]

[0041] ​The above merely provides examples of the present application, and is not intended to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

Claims

1. A fixing structure for a surface temperature measurement sensor, characterized in that, The utility model relates to a temperature sensor body outer sleeve pipe (2) is provided with temperature sensor body inner sleeve pipe (8) inside, temperature sensor body inner sleeve pipe (8) cooperate with the setting of end cap (6), the front end of the collet type terminal connector (5) cooperate with the setting of end cap (6), and the inner end of collet type terminal connector (5) is inserted in reactor wall (1). The side wall of the reactor wall (1) is provided with a mounting hole matched with the end cap (6). The upper end of the end cap (6) is provided with a insertion hole, and the outer end of the insertion hole is provided with an inclined clamping groove (12). The tail end of the temperature sensor body outer sleeve pipe (2) is fixedly connected with a temperature sensor body fixing flange (3), the temperature sensor body fixing flange (3) is sleeved at the tail end of the temperature sensor body inner sleeve pipe (8), and the temperature sensor body fixing flange (3) is provided with a first fixing hole (15).

2. The fixing structure for a surface temperature measurement sensor according to claim 1, wherein The front end of the temperature sensor body inner sleeve pipe (8) is provided with a threaded hole (9), and the threaded hole (9) is matched with the mounting pipe (10).

3. The fixing structure for a surface temperature measurement sensor according to claim 2, wherein The threaded hole (9) is placed with a graphite sealing gasket (11), the inner side of the graphite sealing gasket (11) is in contact with the threaded hole (9), and the outer side of the graphite sealing gasket (11) is in contact with the end of the mounting pipe (10).

4. The fixing structure for a surface temperature measurement sensor according to claim 3, wherein The tail of the temperature sensor body inner sleeve pipe (8) is provided with a temperature sensor body matching flange (4), the temperature sensor body matching flange (4) is provided with a second fixing hole (16), the second fixing hole (16) is matched with the first fixing hole (15), and the second fixing hole (16) and the first fixing hole (15) are provided with a fixing bolt.

5. The surface temperature measurement sensor fixing structure according to claim 4, wherein The temperature sensor body matching flange (4) and the temperature sensor body fixing flange (3) are provided with a sealing gasket, and the tail end of the temperature sensor body matching flange (4) is fixedly connected with a limiting block (13).

6. The fixing structure for a surface temperature measurement sensor according to claim 5, wherein The front end of the collet type terminal connector (5) is inserted into the inclined clamping groove (12), the tail end of the collet type terminal connector (5) is electrically connected with a data transmission line (14), and the data transmission line (14) is arranged in the temperature sensor body inner sleeve pipe (8) and extends backward through the temperature sensor body matching flange (4).

7. The surface temperature measurement sensor fixing structure according to claim 6, wherein The tail end of the data transmission line (14) is provided with a collet type connector (7), and the collet type connector (7) is in contact with the limiting block (13).

8. The fixing structure for a surface temperature measurement sensor according to claim 7, wherein ​ 9. The surface temperature measurement sensor fixing structure according to claim 8, wherein ​ 10. The surface temperature measurement sensor fixing structure according to claim 9, wherein ​

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