CN211121658U

CN211121658U - Thermocouple temperature measuring device for blast furnace convenient to replace

Info

Publication number: CN211121658U
Application number: CN201921869927.3U
Authority: CN
Inventors: 白琳
Original assignee: Xian Zhikai Industrial Automation Engineering Co Ltd
Current assignee: Xian Zhikai Industrial Automation Engineering Co Ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-07-28
Anticipated expiration: 2029-11-01

Abstract

The utility model discloses a thermocouple temperature measuring device for blast furnace convenient to change, including terminal box, terminal, thermocouple element, seal cover, lag and installation component, the fixed terminal that is equipped with quantity for two of terminal box one end, be connected with thermocouple element between the terminal, the terminal external fixation is equipped with the electrical insulation shell just the electrical insulation shell with terminal box fixed connection, thermocouple element is equipped with the seal cover just outward seal cover one end with electrical insulation shell fixed connection, the seal cover overcoat is equipped with the lag just lag one end with terminal box fixed connection, the terminal is kept away from thermocouple element one end has the treater through wire electric connection, treater electric connection has the display screen. Has the advantages that: can be convenient for when thermocouple component damages change to the thermocouple, it can be laborsaving to rotate lag through the metal pole to the lag can be avoided being corroded.

Description

Thermocouple temperature measuring device for blast furnace convenient to replace

Technical Field

The utility model relates to a thermocouple field particularly, relates to a thermocouple temperature measuring device for blast furnace convenient to change.

Background

The blast furnace is the main equipment of ironmaking production, and in order to master the inside temperature of blast furnace in real time, often need dispose the thermocouple and carry out the temperature measurement, current thermocouple generally adopts welded mode and blast furnace fixed connection, very trouble when thermal resistance damages and changes it to the lag that the thermocouple stretched into in the blast furnace all adopts the steel material, has comparatively serious corrosion.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thermocouple temperature measuring device for blast furnace convenient to change to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a thermocouple temperature measuring device for a blast furnace convenient to replace comprises a junction box, two binding posts, thermocouple elements, a sealing sleeve, a protective sleeve and a mounting assembly, wherein two binding posts are fixedly arranged at one end of the junction box, the thermocouple elements are connected between the binding posts, an electric insulation shell is fixedly arranged outside the binding posts and is fixedly connected with the junction box, the sealing sleeve is arranged outside the thermocouple elements, one end of the sealing sleeve is fixedly connected with the electric insulation shell, the protective sleeve is sleeved outside the sealing sleeve, one end of the protective sleeve is fixedly connected with the junction box, one end of the binding post, which is far away from the thermocouple elements, is electrically connected with a processor through a wire, the processor is electrically connected with a display screen, the mounting assembly comprises a metal plate, a perforation is formed in the middle of the metal plate, the perforation is matched with the protective, the metal disc is welded on the outer wall of the blast furnace, a thread cylinder is fixedly arranged on one side of the metal disc, external threads are machined on the outer wall of the protective sleeve and matched with the thread cylinder, a sealing gasket is sleeved at the position, close to the external threads, of the protective sleeve, and metal rods are symmetrically and fixedly arranged on the upper wall and the lower wall of the protective sleeve.

Further, the electrically insulating shell is ceramic.

Further, the sealing washer is an asbestos washer.

Furthermore, sulfur hexafluoride gas is filled in the sealing sleeve.

Furthermore, the protecting sleeve comprises a steel sleeve, one end of the steel sleeve is fixedly connected with the junction box, and a ceramic protecting layer is fixedly arranged on the outer wall of the steel sleeve.

Furthermore, a rubber wire sleeve is sleeved on the outer wall of the position where the lead extends out of the junction box.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses a set up terminal box, terminal, thermocouple component, seal cover, lag and installation component, can be convenient for when thermocouple component damages to the change of thermocouple, it can be laborsaving to rotate the lag through the metal pole to the lag can avoid being corroded.

(2) The utility model discloses a set up the asbestos packing ring, can be able to bear or endure certain high temperature.

(3) The utility model discloses a set up sulfur hexafluoride gas, can divide into for thermocouple element builds an electrical insulation's gas.

(4) The utility model discloses a set up steel bushing and ceramic inoxidizing coating, still have corrosion-resistant performance when can let the lag have certain intensity.

(5) The utility model discloses a set up the rubber line cover, can effectually prevent that the wire from splitting in terminal box department.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a thermocouple temperature measuring device for a blast furnace, which is convenient to replace, according to an embodiment of the present invention;

fig. 2 is an enlarged view of a structure at a in fig. 1.

Reference numerals:

1. a junction box; 2. a binding post; 3. a thermocouple element; 4. an electrically insulating housing; 5. sealing sleeves; 6. a protective sleeve; 7. a wire; 8. a processor; 9. a display screen; 10. a metal disc; 11. a blast furnace; 12. a threaded barrel; 13. an external thread; 14. a sealing gasket; 15. a metal rod; 16. sulfur hexafluoride; 17. steel jacket; 18. a ceramic protective layer; 19. and a rubber wire sleeve.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

the first embodiment is as follows:

referring to fig. 1-2, a thermocouple temperature measuring device for a blast furnace convenient to replace according to an embodiment of the present invention includes a terminal box 1, wherein the terminal box 1 is made of an electrically insulating material and is used for fixing a terminal 2 and a protective sleeve 6, and protecting a connection point between the terminal 2 and a lead 7 from being exposed to the outside air.

The specific arrangement and function of the terminal post 2, thermocouple element 3, sealing sleeve 5, boot 6 and mounting assembly thereof will be described in detail below.

The terminal box comprises a terminal box 1, wherein two terminal posts 2 are fixedly arranged at one end of the terminal box 1, a thermocouple element 3 is connected between the terminal posts 2, an electric insulation shell 4 is fixedly arranged outside the terminal posts 2, the electric insulation shell 4 is fixedly connected with the terminal box 1, a sealing sleeve 5 is arranged outside the thermocouple element 3, one end of the sealing sleeve 5 is fixedly connected with the electric insulation shell 4, the electric insulation shell 4 plays a role of insulating and fixing the terminal posts 2, the sealing sleeve 5 is used for creating a sealed space for the thermocouple element 3, a protective sleeve 6 is sleeved outside the sealing sleeve 5, one end of the protective sleeve 6 is fixedly connected with the terminal box 1, one end of the terminal post 2, which is far away from the thermocouple element 3, is electrically connected with a processor 8 through a wire 7, the processor 8 is electrically connected with a display screen 9, and the thermocouple element 3 can convert temperature signals into, and is transmitted to a processor 8 through the binding post 2 and a lead 7 to be displayed on a display screen 9.

The mounting assembly comprises a metal disc 10, a through hole is formed in the middle of the metal disc 10 and is matched with the protective sleeve 6, a round hole is formed in the outer wall of the blast furnace 11, the inner diameter of the round hole is slightly larger than the outer diameter of the protective sleeve 6, the metal disc 10 is welded on the outer wall of the blast furnace 11 in a sealing mode and is welded in a sealing mode, a threaded cylinder 12 is welded on one side of the metal disc 10 in a sealing mode, external threads 13 are formed in the outer wall of the protective sleeve 6, the external threads 13 are matched with the threaded cylinder 12, the protective sleeve 6 is connected with the threaded cylinder 12 in a sealing mode through the external threads 13, a sealing gasket 14 is sleeved on the position, close to the external threads 13, of the protective sleeve 6, the sealing performance of the threaded connection position is further improved, metal rods 15 are symmetrically fixed on the upper wall and the lower wall of the protective sleeve, dismantle lag 6 through metal pole 15, very convenient, then adorn newly can.

Example two:

referring to fig. 1-2, for the electrically insulating shell 4, the electrically insulating shell 4 is ceramic; as for the sealing washer 14, the sealing washer 14 is an asbestos washer, and can resist certain high temperature; for the sealing sleeve 5, sulfur hexafluoride 16 gas is filled in the sealing sleeve 5, so that an electrically insulated gas partition can be created for the thermocouple element 3; for the protective sleeve 6, the protective sleeve 6 comprises a steel sleeve 17, one end of the steel sleeve 17 is fixedly connected with the junction box 1, and the outer wall of the steel sleeve 17 is fixedly provided with a ceramic protective layer 18, so that the protective sleeve 6 has certain strength and corrosion resistance; for the conducting wire 7, the outer wall of the part, extending out from the junction box 1, of the conducting wire 7 is sleeved with the rubber wire sleeve 19, so that the conducting wire 7 can be effectively prevented from being broken at the junction box 1.

Compared with the patents 201720856869.5, 201720322147.1 and 201510711880.8, the device can be conveniently detached and replaced when the thermocouple element 3 is damaged, labor can be saved by rotating the protection sleeve 6 through the metal rod 15, the protection sleeve 6 can be prevented from being corroded, and the good sealing performance between the protection sleeve 6 and the wall of the blast furnace 11 is achieved. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a thermocouple temperature measuring device for blast furnace convenient to change, a serial communication port, including terminal box (1), terminal (2), thermocouple component (3), seal cover (5), lag (6) and installation component, terminal box (1) one end is fixed and is equipped with terminal (2) that quantity is two, be connected with thermocouple component (3) between terminal (2), terminal (2) external fixation is equipped with electrical insulation shell (4) just electrical insulation shell (4) with terminal box (1) fixed connection, thermocouple component (3) are equipped with seal cover (5) just seal cover (5) one end with electrical insulation shell (4) fixed connection, seal cover (5) overcoat is equipped with lag (6) just lag (6) one end with terminal box (1) fixed connection, terminal (2) are kept away from thermocouple component (3) one end is passed through wire (7) electric connection and is had treater (7), (7) 8) The utility model discloses a blast furnace, processor (8) electric connection has display screen (9), the installation component includes metal disc (10), the perforation has been seted up at metal disc (10) middle part, the perforation with lag (6) phase-match, metal disc (10) sealing weld is at blast furnace (11) outer wall, the fixed screw thread section of thick bamboo (12) that is equipped with in metal disc (10) one side, lag (6) outer wall processing has external screw thread (13), external screw thread (13) with screw thread section of thick bamboo (12) phase-match, lag (6) are close to external screw thread (13) department cover is equipped with seal ring (14), lag (6) upper and lower wall symmetry is fixed and is equipped with metal pole (15).

2. The thermocouple temperature measuring device for the blast furnace convenient to replace according to claim 1, wherein the electrically insulating shell (4) is ceramic.

3. The thermocouple temperature measuring device for the blast furnace convenient to replace according to claim 1, wherein the sealing washer (14) is an asbestos washer.

4. The thermocouple temperature measuring device for the blast furnace convenient to replace according to claim 1, wherein the sealing sleeve (5) is filled with sulfur hexafluoride (16) gas.

5. The thermocouple temperature measuring device for the blast furnace convenient to replace according to claim 1, wherein the protective sleeve (6) comprises a steel sleeve (17), one end of the steel sleeve (17) is fixedly connected with the junction box (1), and a ceramic protective layer (18) is fixedly arranged on the outer wall of the steel sleeve (17).

6. The thermocouple temperature measuring device for the blast furnace convenient to replace according to claim 1, wherein the outer wall of the lead (7) extending from the junction box (1) is sleeved with a rubber wire sleeve (19).