CN210981589U

CN210981589U - Flue gas temperature detector

Info

Publication number: CN210981589U
Application number: CN201921394105.4U
Authority: CN
Inventors: 王超
Original assignee: Zhengzhou Kerui Construction Engineering Testing Co ltd
Current assignee: Zhengzhou Kerui Construction Engineering Testing Co ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-07-10
Anticipated expiration: 2029-08-26

Abstract

The utility model provides a flue gas temperature detector, relate to flue gas temperature detection equipment technical field, make first piston spare remove through control actuating mechanism, then the gas in the first barrel enters into the casing, because the gas in the casing increases, push away second piston spare and move towards the axis direction of keeping away from the casing, then take outer top plate to move towards the direction of keeping away from the casing, the interval of the outer top plate that corresponds until both ends is greater than the diameter of the through-hole of flue lateral wall, remove the separation blade again, make the separation blade closely laminate on the through-hole of flue lateral wall, thereby guaranteed that the flue gas in the flue can not spill over, avoided the environmental pollution that causes because of the smoke leakage, the problem of measured value poor stability; because the distance that outer top plate moved towards the outside can be designed into longer distance to the separation blade also can be designed into great diameter, consequently the utility model discloses can cover and install the through-hole of the flue lateral wall in the certain limit, application scope is wide.

Description

Flue gas temperature detector

Technical Field

The utility model relates to a flue gas temperature check out test set technical field specifically is a flue gas temperature detector.

Background

In the production process of domestic carbon plants, one section of the production process is called roasting flue gas purification, and the section has the main functions of: the flue gas from the roasting furnace in the roasting workshop is introduced into an underground flue of the process through a main pipe, purified by an electric tar precipitator and then sent into a chimney by a smoke exhauster. In the working section, the temperature of the flue gas in the underground flue is required to be detected so as to protect the electrical tar precipitator, better purify the flue gas and meet the requirements of production and environmental protection. At present, when the temperature of smoke in an underground flue is detected, thermal resistors or thermocouples are adopted as detection equipment, after the underground flue is built, holes are formed in the surface of the underground flue, and then the detection equipment is inserted into the holes. Although the installation method can measure the temperature of the flue gas flowing in the flue, the installation method is too simple and coarse, so that the flue leakage smoke is easy to pollute the environment, the stability of the measured value is poor, and the maintenance is inconvenient.

Therefore, a flue gas temperature detector which avoids flue gas leakage, is convenient to maintain and has a wide application range is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flue gas temperature detector, the flue gas temperature detector who aims at solving among the prior art is inserting in the flue hole back and the problem that the cigarette leaks, maintain inconveniently, application scope is little.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the flue gas temperature detector comprises:

the shell can be inserted into the flue through the through hole on the side wall of the flue;

a temperature probe mounted on the outer surface of the housing;

a power line connected with the temperature measuring probe and penetrating through the shell;

an outer top plate disposed along a circumferential direction of the housing and outside the housing;

the second piston piece is positioned in the shell and fixedly connected with the outer top plate;

the first cylinder is communicated with the inside of the shell and provided with an exhaust hole on a wall body far away from the shell;

a first piston member disposed within the first barrel;

a drive mechanism for driving the first piston member to move along the inner wall of the first cylinder;

and the blocking piece is used for hermetically covering the through hole on the side wall of the flue.

The drive mechanism includes a threaded rod in threaded connection with the wall of the first cylinder and a bushing for connecting the threaded rod and the first piston member.

The other end of the threaded rod is fixedly connected with a rotating handle or is fixedly connected with the driving end of the motor.

The threaded rod passes the separation blade, and the separation blade is kept away from one side of casing and is equipped with stop nut, stop nut and threaded connection of threaded rod.

The outer side surface of the circumference of the shell is fixedly coated with an elastic layer, and the elastic layer hermetically covers the outer top plate.

The elastic layer is made of polyurea or polycarbonate.

The circumference inner wall fixedly connected with second barrel of casing, the second piston spare is located the second barrel, and passes through connecting rod fixed connection between second piston spare and the outer top plate.

And a limiting block for limiting the second piston piece to be separated out of the second cylinder body is formed on the inner wall of the second cylinder body.

The casing is fixed to pass through the body, and the power cord passes the body in order to realize passing the casing.

The temperature measuring probe is a thermal resistor or a thermocouple.

The utility model has the advantages that:

1. the first piston piece is moved by controlling the driving mechanism, then the gas in the first cylinder enters the shell, because the gas in the shell is increased, the gas pressure in the shell is higher than the external gas pressure at the moment, the second piston piece is pushed to move towards the direction away from the axis of the shell, the outer top piece is driven to move towards the direction away from the shell until the distance between the outer top pieces corresponding to the two ends is larger than the diameter of the through hole of the side wall of the flue, at the moment, the shell is difficult to separate from the through hole of the side wall of the flue due to the blocking effect of the outer top pieces, then the blocking piece is moved to be tightly attached to the through hole of the side wall of the flue, so that the smoke in the flue is prevented from overflowing, the problems of environmental pollution and poor stability of measured values caused by smoke leakage are solved, and the installation and the disassembly are very simple;

2. because the distance that outer top plate moved towards the outside can be designed into longer distance to the separation blade also can be designed into great diameter, consequently the utility model discloses can cover and install the through-hole of the flue lateral wall in the certain limit, application scope is wide.

Drawings

FIG. 1 is a front view of a state where a flue gas temperature detector and a through hole of a side wall of a flue are not mounted.

FIG. 2 is a front view showing a state in which the flue gas temperature detector and the through hole of the side wall of the flue are mounted.

FIG. 3 is a front view of the flue gas temperature detector.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1-3, a flue gas temperature detecting instrument includes a casing 1 capable of passing through a through hole in a side wall of a flue 19 and being inserted into the flue 19, a temperature measuring probe 2 installed on an outer surface of the casing 1, a power cord 4 connected with the temperature measuring probe 2 and passing through the casing 1, an outer top plate 8 arranged along a circumferential direction of the casing 1 and arranged outside the casing 1, a second piston member 6 located inside the casing 1 and fixedly connected with the outer top plate 8, a first cylinder 10 communicated with the inside of the casing 1 and provided with an exhaust hole 13 on a wall body far away from the casing 1, a first piston member 11 arranged in the first cylinder 10, a driving mechanism for driving the first piston member 11 to move along an inner wall of the first cylinder 10, and a blocking piece 16 for hermetically covering the through hole in the side wall of the flue 19, wherein the power cord 4 is a blocking piece fixedly passing through the blocking piece 16.

As shown in fig. 1, the housing 1 can be inserted into the through hole of the side wall of the flue 19, so that the housing 1 is located inside the flue 19, and in order to move the outer top plate 8 outward, so that the distance from the axis of the housing 1 to the end point of the outer top plate 8 is greater than the radius of the through hole of the side wall of the flue 19, so that the housing 1 and the outer top plate 8 cannot be separated from the through hole of the side wall of the flue 19, in the present invention, the first piston member 11 is moved by controlling the driving mechanism, so that the gas in the first cylinder 10 enters the housing 1, because the gas in the housing 1 increases, the gas pressure in the housing 1 is greater than the external gas pressure, so that the second piston member 6 is pushed to move in the direction away from the axis of the housing 1, and the outer top plate 8 is moved in the direction away from the housing 1 until the distance between the corresponding outer top plates 8 at both ends is greater than the diameter of the through hole of the, at this moment, because the hindrance of outer top piece 8 makes casing 1 be difficult to break away from the through-hole of 19 lateral walls of flue, then remove separation blade 16 again, make the inseparable laminating of separation blade 16 on the through-hole of 19 lateral walls of flue, thereby guaranteed that the flue gas in the flue 19 can not spill over, avoided because the environmental pollution that causes leaks the cigarette, the problem of measured value poor stability, moreover because outer top piece 8 can design for longer distance towards the distance that outside removed, and separation blade 16 also can design into great diameter, consequently the utility model discloses can cover and install the through-hole of 19 lateral walls of flue in the certain limit, application scope is wide.

Specifically, the driving mechanism includes a threaded rod 14 threadedly coupled to the wall of the first cylinder 10 and a bushing 12 for connecting the threaded rod 14 and the first piston member 11, and when the threaded rod 14 is driven to rotate, the end position of the threaded rod 14 changes due to the threaded rod 14 being threadedly coupled to the wall of the first cylinder 10, as shown in fig. 1, and the first piston member 10 is carried to move to the left or right.

Optionally, the other end of the threaded rod 14 is fixedly connected with a rotating handle 18 (shown in fig. 1) or a driving end of a motor (not shown in the figure).

Specifically, the threaded rod 14 movably penetrates through the blocking piece 16, a limiting nut 15 is arranged on one side, far away from the shell 1, of the blocking piece 16, the limiting nut 15 is in threaded connection with the threaded rod 14, when the outer top piece 8 moves towards the outer side and enables the shell 1 not to be separated from the through hole in the side wall of the flue 19, then the blocking piece 16 is moved until the blocking piece 16 is attached to the outer wall of the flue 19, the limiting nut 15 is rotated to enable the limiting nut 15 to tightly push against the blocking piece 16, and as shown in fig. 2, the through hole in the side wall of the flue 19 is sealed.

In order to further improve the sealing effect on the through hole on the side wall of the flue 19, in the present embodiment, the outer circumferential side surface of the housing 1 is fixedly covered with the elastic layer 9, the elastic layer 9 hermetically covers the outer top plate 8, and when the outer top plate 8 moves towards the outside, the outer top plate is also stretched towards the outside against the elastic layer 9, so that when the end of the outer top plate 8 exceeds the edge position of the through hole on the side wall of the flue 19, the elastic layer 9 arranged around the circumferential direction of the housing 1 can also cover the through hole on the side wall of the flue 19, thereby further improving the sealing effect on the through hole. Preferably, the material of the elastic layer 9 is polyurea or polycarbonate.

In order to make the second piston member 6 more stable when moving, further, a second cylinder 5 is fixedly connected to the inner circumferential wall of the housing 1, the second piston member 6 is located in the second cylinder 5, and the second piston member 6 is fixedly connected to the outer top plate 8 through a connecting rod 7.

In order that the second piston member 6 does not fall out of the housing 1, further, the inner wall of the second cylinder 5 is formed with a stopper 20 for restricting the second piston member 6 from falling out of the second cylinder 5.

In order to further protect the power cord 4, the housing 1 is internally fixed to pass through the tube 3, and the power cord 4 passes through the tube 3 to pass through the housing 1.

Optionally, the temperature measuring probe 2 is a thermal resistor or a thermocouple.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. A flue gas temperature detector is characterized by comprising:

the shell (1) can be inserted into the flue (19) through a through hole on the side wall of the flue (19);

a temperature probe (2) arranged on the outer surface of the shell (1);

a power line (4) connected with the temperature measuring probe (2) and penetrating through the shell (1);

an outer top plate (8) provided along the circumferential direction of the housing (1) and outside the housing (1);

a second piston member (6) located inside the housing (1) and fixedly connected to the outer top plate (8);

the first cylinder (10) is communicated with the inside of the shell (1) and provided with an exhaust hole (13) on a wall body far away from the shell (1);

a first piston member (11) disposed in the first cylinder (10);

a drive mechanism for driving the first piston member (11) to move along the inner wall of the first cylinder (10);

a baffle plate (16) for sealing the through hole covering the side wall of the flue (19).

2. The flue gas temperature detector of claim 1, wherein the drive mechanism comprises a threaded rod (14) in threaded connection with the wall of the first cylinder (10) and a bushing (12) for connecting the threaded rod (14) to the first piston member (11).

3. The flue gas temperature detector of claim 2, wherein the other end of the threaded rod (14) is fixedly connected with a rotating handle (18) or is fixedly connected with the driving end of a motor.

4. The flue gas temperature detector as claimed in claim 2, wherein the threaded rod (14) passes through the blocking piece (16), and a limit nut (15) is arranged on one side of the blocking piece (16) far away from the shell (1), and the limit nut (15) is in threaded connection with the threaded rod (14).

5. The flue gas temperature detector according to claim 1, wherein an elastic layer (9) is fixedly wrapped on the outer circumferential side surface of the shell (1), and the elastic layer (9) hermetically covers the outer top sheet (8).

6. The flue gas temperature detector of claim 5, wherein the material of the elastic layer (9) is polyurea or polycarbonate.

7. The flue gas temperature detector according to claim 1, wherein a second cylinder (5) is fixedly connected to the circumferential inner wall of the housing (1), the second piston member (6) is located in the second cylinder (5), and the second piston member (6) is fixedly connected to the outer top plate (8) through a connecting rod (7).

8. The flue gas temperature detector according to claim 7, wherein the inner wall of the second cylinder (5) is formed with a stopper (20) for restricting the second piston member (6) from being separated from the outside of the second cylinder (5).

9. The flue gas temperature detector according to any one of claims 1 to 8, wherein the housing (1) is internally fixed through the tube (3), and the power cord (4) passes through the tube (3) to pass through the housing (1).

10. The flue gas temperature detector according to any one of claims 1 to 8, wherein the temperature probe (2) is a thermal resistor or a thermocouple.