Automatic pressure regulation and control device for industrial heating furnace

Abstract

The utility model provides an industrial heating furnace pressure automatic regulation and control device, which relates to the technical field of industrial heating furnaces, and comprises a furnace body, the top of the furnace body penetrates through and is fixedly provided with a pressure relief pipe, the outer wall of the pressure relief pipe is provided with a pressure relief valve, one end of the pressure relief pipe is fixedly provided with a purification box, and two sides in the purification box are respectively provided with a first chute. According to the gas purification device, when gas enters the purification box from the pressure relief pipe, impurities contained in the gas make contact with the filter screen and are blocked by the filter screen, waste gas makes contact with the activated carbon plate after passing through the filter screen, the waste gas leaves the bottom of the purification box after being purified, and when purification is finished, a worker pulls the pulling plate, the pulling plate drives the clamping block to leave the clamping groove, and the waste gas is purified. At the moment, the box door can be taken down, the activated carbon plate can be replaced, or the filter screen can be cleaned, finally, the box door is reset, the box door makes contact with the inclined face of the clamping block, the clamping block enters the limiting groove, the spring is compressed, when the clamping groove moves beside the clamping block, the clamping block enters the clamping groove, installation can be completed, and cleaning is convenient.

Description

Technical Field

[0001] This utility model relates to the field of industrial heating furnace technology, and in particular to an automatic pressure control device for industrial heating furnaces. Background Technology

[0002] Industrial heating furnaces are devices that use heat from fuel combustion or electrical energy conversion to heat materials or workpieces. They are widely used in many industries such as metallurgy, petroleum, chemical, machinery, and heat treatment. In the metallurgical industry, they are mainly used to heat metal materials to rolling or forging temperatures.

[0003] In existing technologies, some heating furnaces involve the combustion process of fuel. If the pressure inside the furnace is too high, it may damage the furnace structure or even cause an explosion. Therefore, automatic pressure control devices are usually installed. However, when the gas is discharged, it may contain waste gas, which may pollute the surrounding environment when it enters the atmosphere. Utility Model Content

[0004] The purpose of this invention is to solve the problem in the prior art that when exhausting gas, the gas may contain waste gas, which may pollute the surrounding environment when it enters the atmosphere. Therefore, this invention proposes an automatic pressure control device for industrial heating furnaces.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: an automatic pressure control device for an industrial heating furnace, comprising a furnace body, a pressure relief pipe that is installed through and fixedly mounted on the top of the furnace body, a pressure relief valve provided on the outer wall of the pressure relief pipe, a purification box fixedly mounted on one end of the pressure relief pipe, first sliding grooves provided on both sides of the interior of the purification box, a filter screen provided between the two first sliding grooves, second sliding grooves provided on both sides of the interior of the purification box, an activated carbon plate provided between the two second sliding grooves, an opening provided through the inner wall of the purification box, a door provided on the outer wall of the purification box, a slot provided on the top of the door, a support plate fixedly mounted on the outer wall of the purification box, a limit groove provided at the bottom of the support plate, a through opening provided through the inner wall of the limit groove, a spring fixedly mounted on the inner wall of the limit groove, a locking block fixedly mounted on one end of the spring, and a pull plate fixedly mounted on the end of the locking block near the through opening.

[0006] Preferably, a rotating shaft is rotatably mounted through the top of the purification box and via a bearing, a worm gear is fixedly mounted on the top of the rotating shaft, and a scraper is fixedly mounted on the outer wall of the rotating shaft.

[0007] Preferably, two fixing plates are fixedly installed on the top of the purification box, and a worm gear is rotatably installed between the two fixing plates. A motor is fixedly installed on the outer wall of one of the two fixing plates, and the output end of the motor is fixedly connected to the worm gear. The worm gear is meshed with a worm wheel.

[0008] Preferably, a retaining ring is fixedly installed on the outer wall of the door, a sealing groove is opened on the outer wall of the purification box, and a sealing ring is fixedly installed on the inner wall of the sealing groove.

[0009] Preferably, a baffle is fixedly installed on the outer wall of the pull plate.

[0010] Preferably, a pressure transmitter is installed on the top surface inside the furnace body, an alarm is installed on the top of the furnace body, and a control panel is fixedly installed on the outer wall of the furnace body.

[0011] Preferably, the furnace body has a furnace door hinged to its outer wall, and three evenly distributed support frames are fixedly installed at the bottom of the furnace body.

[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0013] 1. In this utility model, when gas enters the purification chamber from the pressure relief pipe, impurities in the gas come into contact with the filter screen and are blocked by the filter screen. The exhaust gas, after passing through the filter screen, comes into contact with the activated carbon plate and leaves from the bottom of the purification chamber after purification. When the purification is finished, the operator pulls the pull plate, which causes the locking block to leave the slot. At this time, the chamber door can be removed to replace the activated carbon plate or clean the filter screen. Finally, the chamber door is reset, and the chamber door contacts the inclined surface of the locking block. The locking block enters the limiting groove, and the spring is compressed. When the slot moves next to the locking block, the locking block enters the slot, thus completing the installation and facilitating cleaning.

[0014] 2. In this utility model, during purification, the operator starts the motor, and the output end of the motor drives the worm gear to rotate, which in turn drives the scraper to rotate through the shaft. The bottom of the scraper contacts the top of the filter screen, and the scraper pushes away the accumulated impurities to prevent them from affecting the passage of gas and improves the filtration efficiency. Attached Figure Description

[0015] Figure 1 This utility model provides an overall perspective view of an automatic pressure control device for industrial heating furnaces.

[0016] Figure 2 This utility model provides a three-dimensional view of the internal structure of an industrial heating furnace with an automatic pressure control device.

[0017] Figure 3 A perspective view of the purification box of an automatic pressure control device for industrial heating furnace is provided for this utility model.

[0018] Figure 4 A cross-sectional view of the purification box of an automatic pressure control device for industrial heating furnace is provided for this utility model.

[0019] Figure 5 for Figure 4 Enlarged view of point A.

[0020] Legend: 1. Furnace body; 2. Support frame; 3. Furnace door; 4. Control panel; 5. Alarm; 6. Pressure relief pipe; 7. Pressure relief valve; 8. Purification chamber; 9. Pressure transmitter; 10. Fixing plate; 11. Worm gear; 12. Motor; 13. First slide groove; 14. Filter screen; 15. Second slide groove; 16. Activated carbon plate; 17. Opening; 18. Sealing groove; 19. Sealing ring; 20. Insert ring; 21. Chamber door; 22. Worm gear; 23. Rotating shaft; 24. Scraper; 25. Slot; 26. Support plate; 27. Limiting groove; 28. Through opening; 29. ​​Spring; 30. Locking block; 31. Pull plate; 32. Baffle. Detailed Implementation

[0021] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0023] Example 1, as Figures 1-5 As shown, this utility model provides an automatic pressure control device for an industrial heating furnace, including a furnace body 1. A pressure relief pipe 6 is installed through and fixedly mounted on the top of the furnace body 1. A pressure relief valve 7 is provided on the outer wall of the pressure relief pipe 6. A purification box 8 is fixedly mounted on one end of the pressure relief pipe 6. First sliding grooves 13 are opened on both sides inside the purification box 8. A filter screen 14 is provided between the two first sliding grooves 13. Second sliding grooves 15 are opened on both sides inside the purification box 8. An activated carbon plate 16 is provided between the two second sliding grooves 15. An opening 17 is opened through the inner wall of the purification box 8. A box door 21 is provided on the outer wall of the purification box 8. A slot 25 is opened on the top of the box door 21. A support plate 26 is fixedly mounted on the outer wall of the purification box 8. A limiting groove 27 is opened at the bottom of the support plate 26. A through opening 28 is opened through the inner wall of the limiting groove 27. A spring 29 is fixedly mounted on the inner wall of the limiting groove 27. A locking block 30 is fixedly mounted on one end of the spring 29. A pull plate 31 is fixedly mounted on the end of the locking block 30 near the through opening 28.

[0024] The overall effect of Embodiment 1 is as follows: when gas enters the purification chamber 8 from the pressure relief pipe 6, the impurities contained in the gas come into contact with the filter screen 14 and are blocked by the filter screen 14. After passing through the filter screen 14, the exhaust gas comes into contact with the activated carbon plate 16 and leaves from the bottom of the purification chamber 8 after purification. When the purification is finished, the staff pulls the pull plate 31, which drives the locking block 30 away from the slot 25. At this time, the chamber door 21 can be removed to replace the activated carbon plate 16 or clean the filter screen 14. Finally, the chamber door 21 is reset, and the chamber door 21 contacts the inclined surface of the locking block 30. The locking block 30 enters the limiting groove 27, and the spring 29 is compressed. When the slot 25 moves next to the locking block 30, the locking block 30 enters the slot 25, and the installation is completed, which is convenient for cleaning.

[0025] Example 2, as Figures 1-5 As shown, further, a rotating shaft 23 is installed through the top of the purification box 8 and rotates through the bearing. A worm gear 22 is fixedly installed on the top of the rotating shaft 23, and a scraper 24 is fixedly installed on the outer wall of the rotating shaft 23.

[0026] Furthermore, two fixed plates 10 are fixedly installed on the top of the purification box 8, and a worm gear 11 is rotatably installed between the two fixed plates 10. A motor 12 is fixedly installed on the outer wall of one of the two fixed plates 10, and the output end of the motor 12 is fixedly connected to the worm gear 11. The worm gear 11 is meshed with the worm wheel 22.

[0027] Furthermore, a ring 20 is fixedly installed on the outer wall of the door 21, and a sealing groove 18 is opened on the outer wall of the purification box 8. A sealing ring 19 is fixedly installed on the inner wall of the sealing groove 18.

[0028] Furthermore, a baffle 32 is fixedly installed on the outer wall of the pull plate 31 to prevent dust from entering the limiting groove 27.

[0029] Furthermore, a pressure transmitter 9 is installed on the top surface inside the furnace body 1, an alarm 5 is installed on the top of the furnace body 1, and a control panel 4 is fixedly installed on the outer wall of the furnace body 1.

[0030] Furthermore, a furnace door 3 is hinged to the outer wall of the furnace body 1, and three evenly distributed support frames 2 are fixedly installed at the bottom of the furnace body 1.

[0031] The effect achieved by the entire embodiment 2 is that during purification, the staff starts the motor 12, the output end of the motor 12 drives the worm gear 11 to rotate, so that the worm wheel 22 starts to rotate, and drives the scraper 24 to rotate through the rotating shaft 23. The bottom of the scraper 24 contacts the top of the filter screen 14, and the scraper 24 can push away the accumulated impurities to prevent them from affecting the passage of gas and improve the filtration efficiency.

[0032] Working principle: When the pressure transmitter 9 detects that the pressure inside the furnace body 1 is too high, the alarm 5 sounds, the pressure relief valve 7 is activated, and the gas enters the purification chamber 8 through the pressure relief pipe 6. The impurities contained in the gas come into contact with the filter screen 14 and are blocked by the filter screen 14. The exhaust gas comes into contact with the activated carbon plate 16 after passing through the filter screen 14. After purification, it leaves from the bottom of the purification chamber 8. When the purification is finished, the operator pulls the pull plate 31. The pull plate 31 drives the locking block 30 away from the locking slot 25. At this time, the chamber door 21 can be removed to replace the activated carbon plate 16 or clean the filter screen 14. Finally, the chamber door 21 is reset, and the chamber door 21 contacts the inclined surface of the locking block 30. The locking block 30 enters the limiting groove 27, and the spring 29 is compressed. When the locking slot 25 moves next to the locking block 30, the locking block 30 enters the locking slot 25, and the installation is completed, which is convenient for cleaning. During purification, the operator starts motor 12. The output of motor 12 drives worm gear 11 to rotate, causing worm wheel 22 to rotate. This, in turn, drives scraper 24 to rotate via shaft 23. The bottom of scraper 24 contacts the top of filter screen 14, pushing away accumulated impurities and preventing them from obstructing gas flow, thus improving filtration efficiency. During installation, the inclined surface of insert ring 20 contacts sealing ring 19, compressing the sealing ring 19. When insert ring 20 is fully inserted into sealing groove 18, the elasticity of sealing ring 19 increases the seal, preventing air leakage.

[0033] 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. An automatic pressure control device for an industrial heating furnace, comprising a furnace body (1), characterized in that: A pressure relief pipe (6) is installed through and fixedly mounted on the top of the furnace body (1). A pressure relief valve (7) is provided on the outer wall of the pressure relief pipe (6). A purification box (8) is fixedly mounted on one end of the pressure relief pipe (6). A first sliding groove (13) is provided on both sides of the inside of the purification box (8). A filter screen (14) is provided between the two first sliding grooves (13). A second sliding groove (15) is provided on both sides of the inside of the purification box (8). An activated carbon plate (16) is provided between the two second sliding grooves (15). An opening (17) is provided through the inner wall of the purification box (8). The purification box (8) is provided with a door (21) on its outer wall. The top of the door (21) is provided with a slot (25). The outer wall of the purification box (8) is fixedly installed with a support plate (26). The bottom of the support plate (26) is provided with a limiting groove (27). The inner wall of the limiting groove (27) is provided with a through opening (28). The inner wall of the limiting groove (27) is fixedly installed with a spring (29). One end of the spring (29) is fixedly installed with a locking block (30). The end of the locking block (30) near the through opening (28) is fixedly installed with a pull plate (31).

2. The automatic pressure control device for an industrial heating furnace according to claim 1, characterized in that: The top of the purification box (8) is rotatably mounted with a rotating shaft (23) through a bearing. A worm gear (22) is fixedly mounted on the top of the rotating shaft (23), and a scraper (24) is fixedly mounted on the outer wall of the rotating shaft (23).

3. The automatic pressure control device for an industrial heating furnace according to claim 1, characterized in that: The purification box (8) has two fixed plates (10) fixedly installed on the top. A worm gear (11) is rotatably installed between the two fixed plates (10). A motor (12) is fixedly installed on the outer wall of one of the two fixed plates (10). The output end of the motor (12) is fixedly connected to the worm gear (11). The worm gear (11) is meshed with the worm wheel (22).

4. The automatic pressure control device for an industrial heating furnace according to claim 1, characterized in that: A ring (20) is fixedly installed on the outer wall of the door (21), and a sealing groove (18) is opened on the outer wall of the purification box (8). A sealing ring (19) is fixedly installed on the inner wall of the sealing groove (18).

5. The automatic pressure control device for an industrial heating furnace according to claim 1, characterized in that: A baffle (32) is fixedly installed on the outer wall of the pull plate (31).

6. The automatic pressure control device for an industrial heating furnace according to claim 1, characterized in that: A pressure transmitter (9) is installed on the top surface inside the furnace body (1), an alarm (5) is installed on the top of the furnace body (1), and a control panel (4) is fixedly installed on the outer wall of the furnace body (1).

7. The automatic pressure control device for an industrial heating furnace according to claim 1, characterized in that: The furnace body (1) has a furnace door (3) hinged to its outer wall, and three evenly distributed support frames (2) are fixedly installed at the bottom of the furnace body (1).

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