CN216207086U

CN216207086U - Temperature measuring device for smoke outlet of power station boiler

Info

Publication number: CN216207086U
Application number: CN202122454046.9U
Authority: CN
Inventors: 赵小兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-04-05
Anticipated expiration: 2031-10-12

Abstract

The utility model discloses a temperature measuring device for a flue outlet of a power station boiler, which belongs to the field of temperature measuring devices and comprises a flue body, wherein the outer end of the flue body is provided with a temperature measuring hole, the inner end of the temperature measuring hole is fixedly connected with the temperature measuring device, the input end of the temperature measuring device is electrically connected with an infrared thermometer through a lead, the rear end of the infrared thermometer is fixedly connected with a first sleeve, the upper end of the first sleeve is provided with a first superposed chute, the inner end of the first superposed chute is slidably connected with a limit lock block, the temperature measuring device is arranged by arranging the temperature measuring hole in the flue of the existing power station boiler, the temperature measuring device extends to the inner end of the flue in a way of screwing out the sleeve to detect real-time temperature when temperature measurement is needed, the temperature measuring device can be retracted to the inner end of the sleeve after detection is finished, the corrosion of high temperature and dust in the flue to the temperature measuring device is reduced, and the service life of the temperature measuring device is effectively prolonged, the normal operation of the utility boiler is effectively guaranteed.

Description

Temperature measuring device for smoke outlet of power station boiler

Technical Field

The utility model relates to the field of temperature measuring devices, in particular to a temperature measuring device for a smoke outlet of a power station boiler.

Background

The temperature is one of the most basic and important control parameters in the production process, and is related to the establishment of production conditions, the yield, the quality and the efficiency of products, the service life and the safety of production equipment and the like. Temperature is a parameter indicative of the degree of cooling or heating of an object. The temperature measuring instrument is assisted by a temperature sensing element to complete detection. The common industrial temperature detecting instruments mainly include a bimetallic thermometer, a thermocouple, a thermal resistor and a radiation thermometer, and when the temperature detecting instrument is selected, the technical requirements of measurement precision, signal system, stability and the like are comprehensively considered, and the influence of factors such as working environment and the like, such as environment temperature, medium characteristics (oxidability, reducibility, corrosivity) and the like, should be kept in mind, and proper protective sleeves, connecting wires and other accessories are selected.

The utility boiler needs to monitor the real-time temperature of the smoke outlet at any time during working so as to monitor the service condition of the utility boiler and ensure the normal operation of the utility boiler, and the existing temperature measuring device for the smoke outlet of the utility boiler is fixedly arranged at the inner end of a flue and is eroded by high temperature and dust in the flue for a long time, thereby shortening the service life of the temperature measuring device for the smoke outlet of the utility boiler and not effectively ensuring the normal operation of the utility boiler.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a temperature measuring device for a smoke outlet of a power station boiler, which can be used for installing the temperature measuring device by arranging a temperature measuring hole in a flue of the existing power station boiler, the temperature measuring device extends to the inner end of the flue in a sleeve screwing-out mode to detect the real-time temperature when the temperature is required to be measured, and can be retracted to the inner end of the sleeve after the detection is finished, so that the corrosion of high temperature and dust in the flue to the temperature measuring device is reduced, the service life of the temperature measuring device is effectively prolonged, and the normal operation of the power station boiler is effectively ensured.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A temperature measuring device for a smoke outlet of a power station boiler comprises a flue body, wherein a temperature measuring hole is formed in the outer end of the flue body, a temperature measuring device is fixedly connected to the inner end of the temperature measuring hole, the input end of the temperature measuring device is electrically connected with an infrared thermometer through a lead, the rear end of the infrared thermometer is fixedly connected with a first sleeve, a first superposed sliding groove is formed in the upper end of the first sleeve, the inner end of the first superposed sliding groove is slidably connected with a limiting locking block, the rear end of the first sleeve is rotatably connected with a second sleeve, a second superposed sliding groove is formed in the upper end of the second sleeve, an electric push rod is fixedly connected to the rear end of the second sleeve, the temperature measuring device is installed by forming the temperature measuring hole in the flue of the existing power station boiler, and extends to the inner end of the flue in a sleeve screwing-out mode when temperature measurement is needed, after the detection is finished, the inner end of the sleeve can be retracted, so that the erosion of high temperature and dust in the flue to the temperature measuring device is reduced, the service life of the temperature measuring device is effectively prolonged, and the normal operation of the power station boiler is effectively guaranteed.

Furthermore, the rear end of the electric push rod is fixedly connected with a stretching baffle, the front end of the stretching baffle is fixedly connected with a pair of telescopic guide rods which are respectively positioned at the left side and the right side of the electric push rod, the front ends of the two telescopic guide rods are fixedly connected to the outer end of the flue body, the electric push rod can be conveniently used as the driving force of the second sleeve, and the position of the infrared thermometer does not need to be manually adjusted by a detector.

Furthermore, the inner of spacing locking piece runs through second coincide spout to in extending to the second sleeve, be convenient for with first sleeve and second sleeve when rotating spacing the two, avoid the rotatory excessive infrared radiation thermometer who leads to first sleeve to drop and cause to connect at first sleeve front end to damage.

Furthermore, the front end of the flue body is hinged with a movable baffle which is located at the front end of the temperature measuring hole, the inner end of the movable baffle is fixedly connected with a sealing rubber strip, the movable baffle is convenient to set and is matched with the sealing rubber strip to enable the movable baffle to fall back to isolate the temperature measuring hole from the inner end environment of the flue, and adverse effects of high temperature and dust in the flue on the temperature measuring device are reduced.

Furthermore, first sideslip spout has all been seted up to first sleeve and the telescopic lower extreme of second, and first sleeve and the telescopic lower extreme of second all support the montant through first sideslip spout fixedly connected with, the lower extreme and the temperature measurement hole threaded connection that support the montant through threaded connection, can be convenient for overhaul and tear open and dismantle temperature measurement equipment, are favorable to ensureing the operating efficiency of temperature measurement equipment.

Furthermore, the outer end of the temperature measuring device is uniformly provided with a high-temperature-resistant coating, the erosion of high-temperature gas in the flue to the surface of the temperature measuring device can be effectively reduced by arranging the high-temperature-resistant coating, and the accuracy of the detection result of the temperature measuring device is improved.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) this scheme is used for installing temperature measuring device through seting up the temperature measurement hole in current power plant boiler flue, and temperature measuring device extends to the inner real-time temperature that detects of flue through the mode that the sleeve was unscrewed when needs the temperature measurement, can contract to telescopic inner after the detection finishes, reduces high temperature in the flue, dust to temperature measuring device's erosion, effectively improves temperature measuring device's life, effectively ensures power plant boiler's normal operating.

(2) Through setting up spacing locking piece into the locking piece of laminating sleeve radian, can be convenient for with first sleeve and second sleeve when rotating spacing the two, avoid rotatory excessively to lead to first sleeve to drop and cause the infrared radiation thermometer who connects at first sleeve front end to damage.

Drawings

FIG. 1 is a schematic axial side view of a flue body according to the present invention;

FIG. 2 is a schematic axial view of the temperature measuring device of the present invention;

FIG. 3 is a schematic axial side view of the rotating sleeve mechanism of the present invention;

fig. 4 is a schematic side view of the second sleeve shaft of the present invention.

The reference numbers in the figures illustrate:

1. a flue body; 2. a temperature measuring hole; 3. supporting the vertical rod; 4. a first sleeve; 5. a first folding chute; 6. an infrared thermometer; 7. a second sleeve; 8. a second folding chute; 9. a limiting lock block; 10. a first traverse chute; 11. a high temperature resistant coating; 12. a telescopic guide rod; 13. an electric push rod; 14. stretching the baffle; 15. a movable baffle plate.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1, the flue comprises a flue body 1, a temperature measuring hole 2 is formed in the outer end of the flue body 1, a temperature measuring device is fixedly connected to the inner end of the temperature measuring hole 2, the input end of the temperature measuring device is electrically connected with an infrared thermometer 6 through a wire, the rear end of the infrared thermometer 6 is fixedly connected with a first sleeve 4, a first superposed sliding groove 5 is formed in the upper end of the first sleeve 4, a limiting lock block 9 is slidably connected to the inner end of the first superposed sliding groove 5, a second sleeve 7 is rotatably connected to the rear end of the first sleeve 4, a second superposed sliding groove 8 is formed in the upper end of the second sleeve 7, and an electric push rod 13 of which the model is LX700 is fixedly connected to the rear end of the second sleeve 7.

Referring to fig. 2-4, a stretching baffle 14 is fixedly connected to the rear end of the electric push rod 13, a pair of telescopic guide rods 12 respectively located at the left and right sides of the electric push rod 13 are fixedly connected to the front end of the stretching baffle 14, the front ends of the two telescopic guide rods 12 are fixedly connected with the outer end of the flue body 1, the inner end of the limit locking block 9 penetrates through the second superposition sliding chute 8, and extends into the second sleeve 7, the front end of the flue body 1 is hinged with a movable baffle 15, the movable baffle 15 is positioned at the front end of the temperature measuring hole 2, the inner end of the movable baffle 15 is fixedly connected with a sealing rubber strip, the lower ends of the first sleeve 4 and the second sleeve 7 are both provided with a first transverse sliding chute 10, and the lower ends of the first sleeve 4 and the second sleeve 7 are fixedly connected with a supporting vertical rod 3 through a first transverse sliding chute 10, the lower end of the supporting vertical rod 3 is in threaded connection with the temperature measuring hole 2, and the outer end of the temperature measuring device is uniformly provided with a high-temperature resistant coating 11.

Referring to fig. 1-4, when the temperature measuring device is used, the electric push rod 13 is started as the driving force of the second sleeve 7, the electric push rod 13 pushes the second sleeve 7 to rotate forward with the infrared thermometer 6 at the front end of the first sleeve 4, the movable baffle 15 is ejected out to perform the temperature measuring operation, when the temperature measuring operation is completed, the electric push rod 13 drives the first sleeve 4 to retract to the inner end of the second sleeve 7, the movable baffle 15 falls back to isolate the temperature measuring hole 2 from the environment at the inner end of the flue, so as to reduce the erosion of the temperature measuring device caused by high temperature and dust in the flue, effectively prolong the service life of the temperature measuring device, effectively ensure the normal operation of the utility boiler, the upper ends of the first sleeve 4 and the second sleeve 7 are respectively provided with a first overlapping chute 5 and a second overlapping chute 8, the first overlapping chute 5 and the second overlapping chute 8 are rotatably connected through a limiting lock 9, the lower end of the limiting lock 9 is fixedly connected to the first sleeve 4, and spacing locking piece 9 runs through first coincide spout 5 and second coincide spout 8 and extends to the outer end of second sleeve 7, spacing locking piece 9 is the locking piece of laminating sleeve radian, it is spacing with the two when rotating first sleeve 4 and second sleeve 7 can be convenient for, it excessively leads to first sleeve 4 to drop to stretch when effectively avoiding electric push rod 13 drive second sleeve 7, cause the infrared temperature measurement appearance 6 of connection at first sleeve 4 front end to damage, all cup joint the back of finishing first sleeve 4 and second sleeve 7, two support montants 3 of connecting its lower extreme pass through the bolt install to 2 inner of temperature measurement hole of seting up in flue body 1 can.

The above are merely preferred embodiments of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a temperature measuring device of power plant boiler outlet flue, includes flue body (1), its characterized in that: temperature measuring hole (2) have been seted up to the outer end of flue body (1), the inner fixedly connected with temperature measuring device in temperature measuring hole (2), temperature measuring device's input has infrared radiation thermometer (6) through wire electric connection, the rear end fixedly connected with first sleeve (4) of infrared radiation thermometer (6), first coincide spout (5) have been seted up to the upper end of first sleeve (4), the inner sliding connection of first coincide spout (5) has spacing locking piece (9), the rear end of first sleeve (4) rotates and is connected with second sleeve (7), second coincide spout (8) have been seted up to the upper end of second sleeve (7), the rear end fixedly connected with electric putter (13) of second sleeve (7).

2. The temperature measuring device for the flue gas outlet of the utility boiler according to claim 1, wherein: the rear end fixedly connected with of electric putter (13) is tensile baffle (14), the front end fixedly connected with of tensile baffle (14) has a pair ofly to be located electric putter (13) left and right sides flexible guide arm (12) respectively, and the equal fixed connection in outer end at flue body (1) of front end of two flexible guide arms (12).

3. The temperature measuring device for the flue gas outlet of the utility boiler according to claim 1, wherein: the inner end of the limiting locking block (9) penetrates through the second superposition sliding groove (8) and extends into the second sleeve (7).

4. The temperature measuring device for the flue gas outlet of the utility boiler according to claim 1, wherein: the front end of the flue body (1) is hinged with a movable baffle (15), the movable baffle (15) is located at the front end of the temperature measuring hole (2), and a sealing rubber strip is fixedly connected to the inner end of the movable baffle (15).

5. The temperature measuring device for the flue gas outlet of the utility boiler according to claim 1, wherein: first sideslip spout (10) have all been seted up to the lower extreme of first sleeve (4) and second sleeve (7), and the lower extreme of first sleeve (4) and second sleeve (7) all supports montant (3) through first sideslip spout (10) fixedly connected with, the lower extreme and the temperature measurement hole (2) threaded connection of supporting montant (3).

6. The temperature measuring device for the flue gas outlet of the utility boiler according to claim 1, wherein: the outer end of the temperature measuring device is uniformly provided with a high-temperature resistant coating (11).