Temperature measuring device for roasting furnace

Abstract

The utility model provides a temperature measuring device for a roasting furnace, comprising: a rib plate, one end of the temperature measuring device is welded to the flange wall surface at the nitrogen inlet side of the roasting furnace through the rib plate, further comprising a pulley system and a counterweight system matched with the pulley system, wherein the pulley system comprises a pulley support, and the other end of the temperature measuring device is welded to an on-site I-beam structure through the pulley support; the device further comprises a plurality of connecting pipes and a plurality of temperature measuring connecting pipes connected to each other, the leftmost connecting pipe is connected to the rib plate, the rightmost connecting pipe is connected with a joint, the joint is connected to the pulley system and the counterweight system, the temperature measuring connecting pipe comprises a branch pipe, a temperature measuring tube is led out from the branch pipe of each temperature measuring connecting pipe, the position where the orifice of the temperature measuring tube is located is the temperature measuring point position in the furnace, a thermocouple is inserted through the temperature measuring tube pipeline and led out from the joint. The temperature measuring device for a roasting furnace can effectively measure the temperature at a plurality of specified positions in the furnace, does not rotate along with the furnace body, and is safe, reliable, simple to manufacture and good in economy.

Description

Technical Field

[0001] The utility model relates to a temperature measuring device, in particular to a roasting furnace temperature measuring device. Background Art

[0002] The temperature measuring device in a roasting furnace generally adopts a temperature measuring thermocouple, which is installed inside the furnace cylinder of the roasting furnace and rotates together with the roasting furnace. For the new roasting furnace structure provided with a ceramic inner liner, there is no mature temperature measuring device structure yet. The present application proposes a temperature measuring device with a new structure, which is suitable for a ceramic rotary roasting furnace provided with a ceramic furnace brick structure inside. Summary of the Utility Model

[0003] In view of the above deficiencies in the prior art, the utility model provides a roasting furnace temperature measuring device, which comprises:

[0004] a rib plate, one end of the temperature measuring device is welded to the flange wall surface of the nitrogen inlet side of the roasting furnace through the rib plate,

[0005] a pulley system and a counterweight system matched with the pulley system, the pulley system comprises a pulley support, the other end of the temperature measuring device is welded to an on-site I-beam structure through the pulley support;

[0006] a plurality of connecting pipes and a plurality of temperature measuring connecting pipes connected with each other, the leftmost connecting pipe is connected with the rib plate, the rightmost connecting pipe is connected with a joint, the joint is connected with the pulley system and the counterweight system, the temperature measuring connecting pipe comprises a branch pipe, a temperature measuring tube is led out from the branch pipe of each temperature measuring connecting pipe, the position where the pipe opening of the temperature measuring tube is located is the position of the temperature measuring point in the furnace, a thermocouple is inserted through the temperature measuring tube pipeline and led out from the joint, and all the connecting pipes, the temperature measuring connecting pipes and the temperature measuring tubes are connected by flanges.

[0007] In some embodiments, the temperature measuring connecting pipe further comprises a main pipe and a 45° elbow pipe, the branch pipe is led out from the side edge of the main pipe, the end of the branch pipe is the 45° elbow pipe, and the temperature measuring tube is connected with the 45° elbow pipe.

[0008] In some embodiments, the thermocouple is further inserted through the main pipe of the temperature measuring connecting pipe, and the number of the connecting pipes, the temperature measuring connecting pipes and the temperature measuring tubes can all be three.

[0009] In some embodiments, the counterweight system comprises: a counterweight block, a hanging table, a steel wire rope and a steel wire rope clamp, the joint is connected with a lifting eye screw, the lifting eye screw is connected with the hanging table through the steel wire rope and fixed by the steel wire rope clamp, the hanging table is connected with a counterweight block, and the steel wire rope is matched with the pulley system.

[0010] In some embodiments, the platform includes a boom and a disc. The boom has an elliptical opening at the top, through which a wire rope passes and is secured with a wire rope clamp. The disc of the platform is used to hold a counterweight.

[0011] In some embodiments, one end of the connector is a hexagonal truncated pyramid with three threaded holes for fixing the temperature measuring thermocouple, and the other end is a section of internally threaded tube for connecting the connecting tube.

[0012] In some embodiments, each of the six faces of the hexagonal frustum can be provided with threaded holes to fix the thermocouple, and the top of the connector hexagonal frustum is provided with a threaded hole for installing a lifting eye screw.

[0013] In some embodiments, the pulley system further includes a pulley shaft, a pulley, and a seated bearing. The pulley shaft is welded to the pulley and fixed to the pulley bracket by the seated bearing, which is bolted to the pulley bracket.

[0014] In some embodiments, the pulley has a V-shaped groove for engaging with the wire rope.

[0015] In some embodiments, there are four stiffening plates in total, which are welded to the leftmost connecting pipe. The stiffening plates and connecting pipes are welded to a fixed position on one side of the furnace body that does not rotate with the furnace body.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The temperature measuring device for a calcining furnace provided by this utility model can be used for internal temperature measurement of various large rotating devices such as calcining furnaces. For example, it can be used in internal heating ceramic rotary calcining furnaces. This temperature measuring device can effectively measure the temperature at several designated locations inside the furnace and does not rotate with the furnace body. The structure of the temperature measuring device is maintained by pulling with a heavy object, which is safe, reliable, simple to manufacture, and economical. Attached Figure Description

[0018] Figure 1 This is a schematic diagram showing the position of the calcining furnace temperature measuring device inside the internally heated ceramic rotary calcining furnace as shown in this embodiment of the utility model.

[0019] Figure 2 This is a schematic diagram of the temperature measuring device for a roasting furnace shown in an embodiment of the present invention;

[0020] Figure 3 This is a schematic diagram of the temperature measuring pipe structure shown in an embodiment of the present utility model;

[0021] Figure 4 This is a schematic diagram of the suspended platform structure shown in an embodiment of the present utility model;

[0022] Figure 5 This is a schematic diagram of the counterweight structure shown in an embodiment of the present invention;

[0023] Figure 6 This is a schematic diagram of the connector structure shown in an embodiment of the present utility model;

[0024] Figure 7 This is a schematic diagram of the connector installation according to an embodiment of the present utility model;

[0025] Figure 8 This is a schematic diagram of the pulley system structure shown in an embodiment of the present utility model;

[0026] In the attached figures, the following labels are used:

[0027] 1-rib plate;

[0028] 2-Pulley system;

[0029] 201-Pulley bracket;

[0030] 202 - Pulley Shaft;

[0031] 203-Pulley;

[0032] 204-Mounted bearing,

[0033] 3-Connecting pipe;

[0034] 4-Temperature measuring connector;

[0035] 401-Branch pipe;

[0036] 402 - Supervisor;

[0037] 403-45° elbow pipe;

[0038] 5-Connector;

[0039] 501 - Threaded hole;

[0040] 6-Temperature measuring tube;

[0041] 7-Thermocouple;

[0042] 8-Flange;

[0043] 9- Counterweight system;

[0044] 901 - Counterweight;

[0045] 902 - Hanging Platform;

[0046] 9021 - Hanger;

[0047] 9022 - Disk;

[0048] 903 - Steel Wire Rope;

[0049] 904-Wire Rope Clamp;

[0050] 10 - Eye bolt. Detailed Implementation

[0051] The technical solution of this utility model will be described in detail below with reference to the accompanying drawings and specific embodiments to further understand the purpose, solution and effect of this utility model, but it is not intended to limit the scope of protection of the appended claims of this utility model.

[0052] Certain terms are used in this specification and the following claims to refer to specific components or parts. Those skilled in the art will understand that users or manufacturers may use different names or terms to refer to the same component or part. This specification and the following claims do not distinguish components or parts by differences in name, but rather by differences in function. The terms "comprising" and "including" used throughout this specification and the following claims are open-ended and should be interpreted as "including but not limited to". Furthermore, the term "connection" here includes any direct and indirect electrical connection means. Indirect electrical connection means include connections made through other means.

[0053] It should be noted that in the description of this utility model, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", as well as "about", "approximately", "substantially", "left and right", etc., indicating the orientation or positional relationship or parameters, are all based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, a specific size, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0054] See Figure 1-8 This embodiment provides a temperature measuring device for a calcining furnace. The position of the temperature measuring device inside the internally heated rotary ceramic calcining furnace is as follows: Figure 1As shown in the figure, the temperature measuring device for a roaster comprises: a rib plate 1, one end of the temperature measuring device is welded to the flange wall on the nitrogen inlet side of the roaster through the rib plate 1, the temperature measuring device further comprises a pulley system 2 and a counterweight system matched with the pulley system 2, the pulley system 2 comprises a pulley bracket 201, the other end of the temperature measuring device is welded to an on-site I-beam structure through the pulley bracket 201, and the structure of the temperature measuring device is maintained by means of dragging by a heavy object; the temperature measuring device further comprises a plurality of connecting pipes 3 connected with each other and a plurality of temperature measuring connecting pipes 4, the leftmost connecting pipe 3 is connected with the rib plate 1, the rightmost connecting pipe 3 is connected with a joint 5, the joint 5 is connected with the pulley system 2 and a counterweight system 9, the temperature measuring connecting pipe 4 comprises a branch pipe 401, a temperature measuring pipe 6 is led out from the branch pipe 401 of each temperature measuring connecting pipe 4, the position where the pipe orifice of the temperature measuring pipe 6 is located is the temperature measuring point position in the roaster, a thermocouple 7 is inserted through the pipeline of the temperature measuring pipe 6 and led out from the joint 5, flanges 8 are adopted for connection among all the connecting pipes 3, the temperature measuring connecting pipes 4 and the temperature measuring pipes 6, in this embodiment, the numbers of the connecting pipes 3, the temperature measuring connecting pipes 4 and the temperature measuring pipes 6 can all be three (see Figure 2 ), but are not limited thereto. In this case, the positions where the orifices of the three temperature measuring pipes 6 are located are the temperature measuring point positions in the furnace, and the thermocouples 7 are inserted through the pipelines of the temperature measuring pipes 6 and led out of the temperature measuring device at the joint 5.

[0055] In this embodiment, there are four rib plates 1 in total, the rib plates 1 are welded to the leftmost connecting pipe 3, the rib plates 1 and the connecting pipe 3 are welded to a fixed position on one side of the furnace body that does not rotate with the furnace body, a sealing structure needs to be arranged for the connecting pipe on the other side of the furnace body, and packing seal is adopted in this device, which is arranged at the sight glass of the discharge box.

[0056] The structure of the temperature measuring connecting pipe 4 is as Figure 3 shown in the figure. In this embodiment, the temperature measuring connecting pipe 4 further comprises a main pipe 402 and a 45° elbow pipe 403, the branch pipe 401 is led out from the side of the main pipe 402, the end of the branch pipe 401 is provided with the 45° elbow pipe 403, the temperature measuring pipe 6 is connected with the 45° elbow pipe 403. The thermocouple 7 is also inserted through the main pipe 402 of the temperature measuring connecting pipe 4. Specifically, flanges are used on both sides of the main pipe to connect other main pipes and connecting pipes, forming the main pipeline of the temperature measuring device. When the number of connecting pipes, temperature measuring connecting pipes and temperature measuring pipes in this embodiment is three, 3 thermocouples are inserted through the main pipeline, and one thermocouple is led out at the branch pipe of each temperature measuring connecting pipe and passes through the temperature measuring pipe to a specific position in the furnace for temperature measurement. The device can change and adjust the position of the temperature measuring point by changing the length of the main pipe in the temperature measuring connecting pipe, and can also increase the number of temperature measuring points by increasing the number of temperature measuring connecting pipes.

[0057] The counterweight system 9 in this embodiment includes: a counterweight block 901, a lifting platform 902, a wire rope 903, and a wire rope clamp 904. The connector 5 is connected to a lifting eye bolt 10. The lifting eye bolt 10 is connected to the lifting platform 902 via the wire rope 903 and fixed with the wire rope clamp 904. The lifting platform 902 is connected to the counterweight block 901. The wire rope 903 is matched with the pulley system 2. The lifting platform 902 includes a lifting rod 9021 and a disc 9022. The structure of the lifting platform is as follows: Figure 4 As shown, the boom 9021 has an elliptical opening at its top, through which the wire rope 903 passes and is secured by a wire rope clamp 904. The disc 9022 of the platform is used to hold the counterweight 901, and the structure of the counterweight 901 is as follows. Figure 5 The material is Q235A, and each weighs about 10kg. The number of counterweights 901 can be adjusted according to the slack of the entire temperature measuring device.

[0058] The roasting furnace temperature measuring device provided in this embodiment is in accordance with Figure 2 After the connection is fixed, the number of counterweights 901 can be increased to ensure that the degree of bending and sagging of the connecting pipe in the temperature measurement center due to gravity is within the required standard range.

[0059] The structure of the connector in this embodiment is as follows: Figure 6 As shown, the installation is as follows Figure 7 As shown, one end of the connector 5 is a hexagonal frustum with three threaded holes 501 for fixing the thermocouples, and the other end is a section of internally threaded pipe for connecting the connecting pipe. Threaded holes 501 can be opened on all six faces of the hexagonal frustum to fix the thermocouples. When three temperature measuring points are used, three threaded holes 501 are opened. The top of the hexagonal frustum of the connector has a threaded hole for installing a lifting eye screw. The roasting furnace temperature measuring device provided in this embodiment requires first determining the number of temperature measuring points, then measuring the length and number of temperature measuring pipes according to the required number of temperature measuring points, and opening the required number of threaded holes at the connector.

[0060] In this embodiment, the pulley system structure is as follows: Figure 8 As shown, the pulley support 201 of the pulley system 2 is welded to the on-site I-beam, and stiffening plates 1 are provided on it to increase strength. The pulley system 2 also includes a pulley shaft 202, a pulley 203, and a seated bearing 204. The pulley shaft 202 and the pulley 203 are welded together and fixed to the pulley support 201 by the seated bearing 204. The seated bearing 204 and the pulley support 201 are connected together by bolts. The pulley 203 has a V-shaped groove for cooperating with the wire rope 903. In this embodiment, the pulley system needs to be fixed on the outside of the furnace body. In this device, the pulley support of the pulley system is welded to the on-site fixed I-beam.

[0061] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A temperature measuring device for a roaster, characterized by: Said temperature measuring device comprises: a rib plate, wherein one end of the temperature measuring device is welded to the flange wall surface at the nitrogen inlet side of the roasting furnace through the rib plate; a pulley system and a counterweight system matched with the pulley system, wherein the pulley system comprises a pulley support, and the other end of the temperature measuring device is welded to an on-site I-beam structure through the pulley support; a plurality of connecting pipes and a plurality of temperature measuring connecting pipes which are connected with each other, wherein the leftmost connecting pipe is connected with the rib plate, the rightmost connecting pipe is connected with a joint, the joint is connected with the pulley system and the counterweight system, each temperature measuring connecting pipe comprises a branch pipe, a temperature measuring tube is led out from the branch pipe of each temperature measuring connecting pipe, the position where the orifice of the temperature measuring tube is located is the position of a temperature measuring point in the furnace, a thermocouple is inserted into the pipeline of the temperature measuring tube and led out from the joint, and all the connecting pipes, the temperature measuring connecting pipes and the temperature measuring tubes are connected by flanges.

2. The temperature measuring device for a roaster according to claim 1, characterized in that: Said temperature measuring connecting pipe further comprises a main pipe and a 45° elbow pipe, the branch pipe is led out from the side of the main pipe, the end of the branch pipe is the 45° elbow pipe, and the temperature measuring tube is connected with the 45° elbow pipe.

3. The temperature measuring device for a roaster according to claim 2, characterized in that: Said thermocouple is also arranged through the main pipe of the temperature measuring connecting pipe, and the number of the connecting pipes, the temperature measuring connecting pipes and the temperature measuring tubes can all be three.

4. The temperature measuring device for a roaster according to claim 1 or 3, characterized in that: Said counterweight system comprises: a counterweight block, a hanging platform, a steel wire rope and a steel wire rope clamp, wherein the joint is connected with a lifting eye screw, the lifting eye screw is connected with the hanging platform through the steel wire rope and fixed by the steel wire rope clamp, the hanging platform is connected with one counterweight block, and the steel wire rope is matched with the pulley system.

5. The temperature measuring device for a roaster according to claim 4, characterized in that: Said hanging platform comprises a hanging rod and a disc, an elliptical opening is arranged above the hanging rod, the steel wire rope passes through the elliptical opening above and is fixed by the steel wire rope clamp, and the disc of the hanging platform is used for placing the counterweight block.

6. The temperature measuring device for a roaster according to claim 4, wherein: One end of said joint is a hexagonal frustum, three threaded holes are formed on the hexagonal frustum for fixing the temperature measuring thermocouple, and the other end is a section of internal threaded pipe for connecting the connecting pipe.

7. The temperature measuring device for a roaster according to claim 6, characterized in that: Threaded holes can be formed on six surfaces of the hexagonal frustum to fix the thermocouple, and a threaded hole for installing the lifting eye screw is formed at the top end of the hexagonal frustum of the joint.

8. The temperature measuring device for a roaster according to claim 4, characterized in that: Said pulley system further comprises a pulley shaft, a pulley and a housed bearing, the pulley shaft is welded with the pulley and fixed on the pulley support through the housed bearing, and the housed bearing and the pulley support are connected together through bolts.

9. The temperature measuring device for a roaster according to claim 8, characterized in that: A V-shaped groove is formed on the pulley for matching with the steel wire rope.

10. The temperature measuring device for a roaster according to claim 1, characterized in that: There are four rib plates in total, the rib plates are welded and connected with the leftmost connecting pipe, and the rib plates and the connecting pipe are welded at a fixed position on one side of the furnace body that does not rotate along with the furnace body.

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