Matrix type temperature measuring device

Abstract

The utility model provides a matrix type temperature measuring device, including temperature measuring modules, temperature measuring fixing device and through-wall sealing device, the temperature measuring modules are arranged at the upper end and the lower end of a hearth, each temperature measuring module includes a thermocouple, a compensation lead and a temperature measuring instrument, the thermocouples are distributed in an n * m matrix type in the hearth, n is greater than or equal to m, and n is greater than or equal to m. The utility model has the beneficial effects that the thermocouples are in n * m matrix distribution in the hearth, the values of n and m can be any positive integer, the arranged structure is simple, the installation is convenient, the measurement is accurate, and the arrangement points of the thermocouples can be increased at any position according to the requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler temperature field online measurement devices, in particular to a matrix temperature measurement device. Background Art

[0002] The flue gas temperature of the boiler is an important parameter for the heat exchange of the heating surface. Accurately measuring the flue gas temperature field distribution can effectively determine the heat absorption status of each level of the heating surface. At present, there are many methods for online detection of power plant boiler temperature. Relatively speaking, the temperature measurement method of contact thermocouple has high accuracy and simple operation.

[0003] Due to the large size of the boiler furnace, in order to obtain the temperature field distribution of a certain cross-section, a large number of thermocouples need to be installed on the cross-section, and the thermocouples need to be arranged in a matrix in the furnace according to the required number. Usually, a full-hall scaffolding needs to be erected on site during installation. The traditional installation solution has a large workload and a long construction period. At the same time, the rooting and fixation of the thermocouple support device becomes a difficulty in implementation. Utility Model Content

[0004] In order to overcome the above problems existing in the prior art, the utility model provides a matrix temperature measuring device.

[0005] The utility model discloses a matrix temperature measuring device, comprising a temperature measuring module, a temperature measuring fixing device and a wall-penetrating sealing device. The temperature measuring module is arranged at the upper and lower ends of a furnace, the temperature measuring module comprises thermocouples, compensation wires and a temperature measuring instrument, and the thermocouples are distributed in an n×m matrix inside the furnace, and the values ​​of n and m can be any positive integers.

[0006] On this basis, the temperature measuring and fixing device includes partitions, stainless steel wire ropes, stainless steel wires, locks, rope tighteners and fixing hooks arranged on the upper and lower sides of the furnace. The thermocouples are distributed inside the furnace after passing through the boiler wall panels through the sleeves. The thermocouples are tied to the stainless steel wire ropes on the inside of the furnace through stainless steel wires, and the thermocouples are connected to the temperature measuring instrument on the outside of the furnace through the extension of the compensation wire.

[0007] On this basis, the stainless steel wire rope forms a connection node through a lock buckle, one end of the rope tightener is connected to the wire rope connection node, and the other end is connected to a fixing hook, and the fixing hook is fixed to the partition in the furnace by welding.

[0008] On this basis, the wall-penetrating sealing device includes a sleeve and thermal insulation cotton, and a thermal insulation cotton seal is provided at the gap between the sleeve and the thermocouple passing through.

[0009] On this basis, the compensation wire adopts a stainless steel compensation wire.

[0010] On this basis, the number of locks required for a single connection node of the stainless steel wire rope is no less than two.

[0011] On this basis, one side of the stainless steel wire rope is a closed circular ring structure, and the other side is a circular hook structure.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the thermocouples are distributed in an n×m matrix inside the furnace, the values ​​of n and m can be any positive integers, the structure is simple, easy to install and the measurement is accurate, and the arrangement points of the thermocouples can be increased at any position according to needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of thermocouple arrangement in the vertical cross section of the furnace of the utility model;

[0014] Figure 2 This is a schematic diagram of the installation of a single-row thermocouple;

[0015] Figure 3 It is a schematic diagram of a single-row thermocouple fixture;

[0016] Figure 4 This is a schematic diagram of the thermocouple through-the-wall structure;

[0017] Figure 5 Added a new thermocouple arrangement diagram for the vertical section of the furnace;

[0018] In the figure: 1. Thermocouple, 1-1. Newly added thermocouple, 2. Compensating wire, 3. Temperature measuring instrument, 4. Stainless steel wire rope, 5. Stainless steel wire, 6. Partition, 7. Lock, 8. Rope tightener, 9. Fixing hook, 10. Sleeve, 11. Thermal insulation cotton. DETAILED DESCRIPTION

[0019] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0020] The utility model discloses a matrix temperature measuring device, including a temperature measuring module, a temperature measuring fixing device and a wall-penetrating sealing device. The temperature measuring module is arranged at the upper and lower ends of a furnace, and the temperature measuring module includes a thermocouple 1, a compensation wire 2 and a temperature measuring instrument 3. The thermocouple 1 is distributed in an n×m matrix inside the furnace, and the values ​​of n and m can be any positive integers. In the present embodiment, a case of a 4×4 matrix arrangement is provided.

[0021] The temperature measuring and fixing device includes a partition 6, a stainless steel wire rope 4, a stainless steel wire 5, a lock 7, a rope tightener 8 and a fixing hook 9 arranged on the upper and lower sides of the furnace. The thermocouple 1 passes through the boiler wall panel through the sleeve 10 and is distributed inside the furnace. The thermocouple 1 is tied to the stainless steel wire rope 4 on the inside of the furnace through the stainless steel wire 5, and the thermocouple 1 is connected to the temperature measuring instrument 3 on the outside of the furnace through the extension of the compensation wire 2.

[0022] The stainless steel wire rope 4 forms a connection node through a lock buckle 7. One end of a rope tightener 8 is connected to the connection node of the steel wire rope 4, and the other end is connected to a fixing hook 9. The fixing hook 9 is fixed to the partition plate 6 in the furnace by welding.

[0023] The wall-penetrating sealing device comprises a sleeve 10 and thermal insulation cotton 11. The gap between the sleeve 10 and the thermocouple 1 passing through is sealed with the thermal insulation cotton 11 to prevent smoke leakage in the furnace.

[0024] The compensation wire 2 is made of stainless steel.

[0025] The number of lock buckles 7 required for a single connection node of the stainless steel wire rope 4 is not less than two to ensure the firmness of the node.

[0026] One side of the stainless steel wire rope 4 is a closed circular ring structure, and the other side is a circular hook structure, so as to facilitate on-site connection and installation.

[0027] In actual work, before installation, stainless steel wire 5 is used to bind and fix the thermocouple 1 on the stainless steel wire rope 4 according to the positioning of the measurement position and the wall penetration position requirements, and then the installer passes the stainless steel wire rope 4 and the assembly of the bound and fixed thermocouple 1 from the upper partition 6 position to the lower partition 6 position, and finally the end is connected with a lock buckle 7, a rope tightener 8 and a fixing hook 9, and then the stainless steel wire rope 4 is adjusted and straightened. The thermocouples are distributed in a matrix of n×m inside the furnace, and the values ​​of n and m can be any positive integers. The structure is simple, easy to install and the measurement is accurate. Figure 5 As shown, the arrangement point of the newly added thermocouple 1-1 can also be arranged at any position according to the requirements.

[0028] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0029] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation", "screwing", "pad installation" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0030] The above description shows and describes the preferred embodiments of the utility model. As mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not depart from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A matrix temperature measuring device, characterized in that: The invention comprises a temperature measuring module, a temperature measuring fixing device and a wall-penetrating sealing device. The temperature measuring module is arranged at the upper and lower ends of the furnace. The temperature measuring module comprises a thermocouple (1), a compensation wire (2) and a temperature measuring instrument (3). The thermocouple (1) is distributed in an n×m matrix inside the furnace. The values ​​of n and m can be any positive integers.

2. The matrix temperature measuring device according to claim 1, characterized in that: The temperature measuring and fixing device comprises partitions (6) arranged on the upper and lower sides of the furnace, stainless steel wire ropes (4), stainless steel wires (5), lock buckles (7), rope tighteners (8) and fixing hooks (9); the thermocouples (1) are distributed inside the furnace after passing through the boiler wall plate through a sleeve (10); the thermocouples (1) are tied to the stainless steel wire ropes (4) on the inside of the furnace through the stainless steel wires (5); and the thermocouples (1) are connected to the temperature measuring instrument (3) on the outside of the furnace through the extension of the compensation wire (2).

3. The matrix temperature measuring device according to claim 2, characterized in that: The stainless steel wire rope (4) forms a connection node through a lock buckle (7), one end of the rope tightener (8) is connected to the connection node of the steel wire rope (4), and the other end is connected to a fixing hook (9), and the fixing hook (9) is fixed to the partition plate (6) in the furnace by welding.

4. The matrix temperature measuring device according to claim 1, characterized in that: The wall-penetrating sealing device comprises a sleeve (10) and thermal insulation cotton (11), and the thermal insulation cotton (11) is provided at the gap between the sleeve (10) and the thermocouple (1) passing through it for sealing.

5. The matrix temperature measuring device according to claim 3, characterized in that: The compensation wire (2) is a stainless steel compensation wire.

6. The matrix temperature measuring device according to claim 3, characterized in that: The number of locking buckles (7) required for a single connection node of the stainless steel wire rope (4) is not less than two.

7. The matrix temperature measuring device according to claim 6, characterized in that: One side of the stainless steel wire rope (4) is a closed circular ring structure, and the other side is a circular hook structure.

Images