A system for controlling draft in a pitch kiln

Abstract

This invention relates to the field of wax removal kilns, specifically to a suction control system for wax removal kilns. The system includes a base platform and a kiln body. A heating plate is embedded in the upper surface of the base platform, and the kiln body is mounted on the upper surface of the heating plate. An air pump is mounted on the upper surface of the kiln body, and an air outlet pipe is installed at the bottom of the air pump. A feed inlet is installed on the outer wall of the kiln body, and a first valve is installed on the outer wall of the feed inlet. This invention employs a main shaft and rotating plate structure, facilitating the rotation of the inner main plate and enabling easy repair in case of internal structural damage. A sealing gasket seals the rotating plate, preventing gas leakage. A pressure plate presses the sealing gasket, further improving its sealing effect. A placement cavity structure allows for the placement of maintenance tools. Furthermore, an adjusting worm gear and adjusting worm wheel structure eliminates the need for workers to extend beyond the platform to control the rotation of the adjusting screw, improving operational safety.

Description

Technical Field

[0001] This invention relates to the field of wax removal kiln technology, specifically to a wax removal kiln suction control system. Background Technology

[0002] The production processes in industries such as ceramics, pharmaceuticals, petrochemicals, and environmental protection generate large amounts of high-concentration organic waste gas. If discharged directly without purification, this will cause serious environmental pollution. In particular, the wax-removing kilns in ceramic factories release large amounts of wax vapor during high-temperature processing. These wax-containing organic waste gases, when released into the atmosphere, not only pollute the air but also harm biological and human health. Furthermore, production facilities in ceramic factories, pharmaceutical plants, and petrochemical plants also generate complex and highly concentrated organic waste gases during processes such as reaction, extraction, and distillation, which are difficult to treat directly.

[0003] To meet environmental protection requirements, it is usually necessary to install an exhaust system in wax kilns or other waste gas emission equipment to discharge organic waste gas from the source and filter and decompose it through purification equipment. To monitor and control the stability and concentration of waste gas emissions, sensors are usually installed in the exhaust system to monitor parameters such as the composition, flow rate, and temperature of the waste gas in real time, thereby improving system processing efficiency and ensuring safety.

[0004] However, these sensors are typically installed in the high-temperature zone of the wax removal kiln, where they are constantly exposed to high temperatures and wax-containing organic waste gas, making them prone to damage and difficult to operate stably for extended periods. Replacing damaged sensors is inconvenient, especially in the high-temperature environment of ceramic factories, where maintenance is difficult and downtime is increased, compromising the continuity and accuracy of waste gas emission control. Therefore, those skilled in the art have proposed a suction control sensing device and system for wax removal kilns. Summary of the Invention

[0005] To solve the above-mentioned technical problems, the present invention provides a wax removal kiln suction control system, including a base platform and a kiln body. A heating plate is embedded on the upper surface of the base platform, the kiln body is installed on the upper surface of the heating plate, an air pump is installed on the upper surface of the kiln body, an air outlet pipe is installed at the bottom of the air pump, a feed inlet is installed on the outer wall of the kiln body, and a first valve is installed on the outer wall of the feed inlet.

[0006] Preferably, the upper end face of the kiln body is provided with a circular hole, and a main shaft is rotatably installed in the circular hole through a bearing. A handle is installed on the right end face of the main shaft, a rotating plate is installed on the outer side wall of the main shaft, an inner shell is installed at the bottom of the rotating plate, and an inner main plate is arranged inside the inner shell.

[0007] Preferably, a gas sensor group is installed at the bottom of the inner shell, and a spare gas sensor group is arranged to the right of the cylinder sensor group. Both the gas sensor group and the spare gas sensor group are electrically connected to the inner main board.

[0008] Preferably, a pressure sensor is installed at the bottom of the inner shell, and a backup pressure sensor is arranged behind the pressure sensor. Both the pressure sensor and the backup pressure sensor are electrically connected to the inner motherboard.

[0009] Preferably, a sealing gasket is installed on the upper end face of the kiln body, and a pressure plate is screwed to the upper end face of the rotating plate by a first bolt.

[0010] Preferably, an inclined ladder is installed on the upper surface of the base platform, a platform is installed on the left end face of the inclined ladder, a spring rod is installed on the upper surface of the platform, an insert rod is installed on the upper end face of the spring rod, and insertion holes are symmetrically opened on the outer wall of the handle, with the insert rod inserted into the insertion holes.

[0011] Preferably, an annular disk is mounted on the upper surface of the base platform via a rotatable engagement, and a control panel is mounted on the upper surface of the annular disk via a connecting rod. The control panel is electrically connected to the inner main board.

[0012] Preferably, an annular frame is installed on the upper end face of the annular disk, and multiple side plates are installed on the outer side wall of the annular frame along its circumferential direction.

[0013] Preferably, the upper surface of the base platform is provided with a fixing cavity, and an adjusting screw is rotatably installed at the bottom of the fixing cavity via a bearing. An adjusting slider is installed on the outer wall of the adjusting screw, and a sliding plate is installed on the upper surface of the adjusting slider. A placement cavity is installed on the upper surface of the sliding plate through a sliding fit.

[0014] Preferably, an adjusting worm gear is installed on the upper end face of the adjusting screw, an adjusting worm is installed on the outer wall of the adjusting worm gear in a meshing and rotating manner, and an adjusting rod is installed on the inner end of the adjusting worm.

[0015] Compared with the prior art, the technical effects and advantages of the present invention are as follows:

[0016] 1. The present invention adopts a spindle and rotating plate structure, which facilitates the rotation of the inner main plate and makes it easy to repair it when its internal structure is damaged. The sealing gasket can seal the rotating plate to prevent gas leakage. The pressure table presses the sealing gasket to further improve its sealing effect.

[0017] 2. The present invention employs a placement cavity structure, which allows for the placement of maintenance tools. It also employs an adjusting worm gear and adjusting worm wheel structure, eliminating the need for workers to extend their arms to the outside of the platform to control the rotation of the adjusting screw, thus improving the safety of the operation.

[0018] 3. The exhaust pump and gas control device in this invention, together with the exhaust gas monitoring system, can accurately control the exhaust volume, extract high-concentration organic waste gas in a timely manner, prevent environmental pollution, improve the waste gas treatment effect, and ensure that emissions meet environmental protection requirements. Attached Figure Description

[0019] Figure 1 This is a front view of the structure of a wax removal kiln suction control system provided by the present invention;

[0020] Figure 2 This is a top view of the structure of a wax removal kiln suction control system provided by the present invention;

[0021] Figure 3 This is a cross-sectional front view of a wax removal kiln suction control system provided by the present invention;

[0022] Figure 4 This is a right-section view of a wax removal kiln suction control system provided by the present invention;

[0023] Figure 5 This is a partial sectional bottom view of a wax removal kiln suction control system provided by the present invention;

[0024] Figure 6 This invention provides a suction control system for a wax removal kiln. Figure 3 Enlarged view of region A in the middle;

[0025] Figure 7 This invention provides a suction control system for a wax removal kiln. Figure 3 Enlarged view of region B in the middle;

[0026] In the diagram: 1. Base platform; 2. Kiln body; 11. Heating plate; 12. Air pump; 13. Air outlet pipe; 14. Feed inlet; 15. Main shaft; 16. Handle; 17. Rotary plate; 18. Inner main plate; 19. Gas sensor group; 21. Spare sensor group; 22. Air pressure sensor; 23. Spare pressure sensor; 24. Sealing gasket; 25. Pressing platform; 26. Inclined ladder; 27. Platform; 28. Spring rod; 29. ​​Insert rod; 291. Annular disc; 292. Control panel; 293. Annular frame; 294. Fixed cavity; 295. Adjusting screw; 296. Placement cavity; 297. Adjusting worm gear; 298. Adjusting worm. Detailed Implementation

[0027] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The invention is provided for illustrative and descriptive purposes only and is not intended to be exhaustive or to limit the invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The invention was chosen and described to better illustrate the principles and practical applications of the invention, and to enable those skilled in the art to understand the invention and design various inventions with various modifications suitable for particular purposes.

[0028] Example 1

[0029] Please see Figures 1-7This invention provides a wax-removing kiln suction control system, including a base platform 1 and a kiln body 2. A heating plate 11 is embedded on the upper surface of the base platform 1, and the kiln body 2 is installed on the upper surface of the heating plate 11. An air pump 12 is installed on the upper surface of the kiln body 2, and an air outlet pipe 13 is installed at the bottom of the air pump 12. A feed inlet 14 is installed on the outer wall of the kiln body 2, and a first valve is installed on the outer wall of the feed inlet 14. During operation, the heating plate 11 is activated to heat the kiln body 2 for ceramic firing. During the heating process, organic waste gas is arranged inside the kiln body 2. The air pump 12 is activated to discharge the organic waste gas without affecting the next firing process of the kiln body 2.

[0030] A circular hole is provided on the upper end face of the kiln body 2. A main shaft 15 is rotatably installed in the circular hole through a bearing. A handle 16 is installed on the right end face of the main shaft 15. A rotating plate 17 is installed on the outer side wall of the main shaft 15. An inner shell is installed at the bottom of the rotating plate 17. An inner main board 18 is arranged inside the inner shell. During operation, a PLC program is written in the inner main board 18 to control the operation of each device.

[0031] A gas sensor group 19 is installed at the bottom of the inner shell, and a backup gas sensor group 21 is arranged to the right of the cylinder sensor group. Both the gas sensor group 19 and the backup gas sensor group 21 are electrically connected to the inner main board 18. During operation, the gas sensor group 19 consists of multiple gas sensing units, which can sense the gas inside the kiln body 2. When the gas sensor group 19 fails, the backup gas sensor group 21 can be used as a backup.

[0032] A pressure sensor 22 is installed at the bottom of the inner shell, and a backup pressure sensor 23 is arranged behind the pressure sensor 22. The pressure sensor 22 and the backup pressure sensor 23 are electrically connected to the inner main board 18. When working, the pressure sensor 22 can sense the air pressure inside the kiln body 2. When the pressure sensor 22 fails, the backup pressure sensor 23 can be used as a backup.

[0033] A sealing gasket 24 is installed on the upper end face of the kiln body 2, and a pressure plate 25 is screwed to the upper end face of the rotating plate 17 by the first bolt. During operation, the sealing gasket 24 can seal the rotating plate 17 to prevent gas leakage, and the pressure plate 25 presses the sealing gasket 24 to further improve its sealing effect.

[0034] An inclined ladder 26 is installed on the upper surface of the base platform 1. A platform 27 is installed on the left side of the inclined ladder 26. A spring rod 28 is installed on the upper surface of the platform 27. An insert rod 29 is installed on the upper surface of the spring rod 28. Insert holes are symmetrically opened on the outer side wall of the handle 16. The insert rod 29 is inserted into the insert holes. During operation, the insert rod 29 presses and fixes the handle 16 to prevent the handle 16 from rotating. When the inner main plate 18 is damaged, the handle 16 drives the rotating plate 17 to flip, so that the inner main plate 18 is arranged on the outer side of the kiln body 2. The ladder is climbed to the platform 27 for repair.

[0035] An annular disk 291 is mounted on the upper surface of the base platform 1 via a rotatable fit. A control panel 292 is mounted on the upper surface of the annular disk 291 via a connecting rod. The control panel 292 is electrically connected to the inner main board 18. During operation, a PLC program is written in the control panel 292 to control the operation of various devices. The inner main board 18 transmits the internal air pressure and gas information of the kiln body 2 to the control panel 292, which performs external control processing. Rotating the annular disk 291 facilitates the rotation of the control panel 292, avoiding the need for personnel to walk to the original position to operate the kiln body 2 due to its large size.

[0036] The annular disk 291 is equipped with an annular frame 293 on its upper end face. Multiple side plates are installed on the outer side wall of the annular frame 293 along its circumferential direction. During operation, the annular disk 291 can be rotated by stepping on the annular frame 293, eliminating the need for manual bending over to rotate the annular disk 291 and reducing labor intensity.

[0037] A fixed cavity 294 is installed on the upper surface of the base 1. An adjusting screw 295 is rotatably installed in the bottom of the fixed cavity 294 via a bearing. An adjusting slider is installed on the outer wall of the adjusting screw 295. A sliding plate is installed on the upper surface of the adjusting slider. A placement cavity 296 is installed on the upper surface of the sliding plate through a sliding fit. During operation, the placement cavity 296 can place maintenance tools. The left and right positions can be adjusted by pushing the placement cavity 296.

[0038] An adjusting worm gear 297 is mounted on the upper end face of the adjusting screw 295. An adjusting worm 298 is rotatably mounted on the outer wall of the adjusting worm gear 297. An adjusting rod is mounted on the inner end of the adjusting worm 298. During operation, rotating the adjusting rod rotates the adjusting worm 298, which in turn drives the adjusting worm gear 297 to rotate, causing the adjusting screw 295 to rotate. This causes the placement cavity 296 to move downward, facilitating tool delivery to personnel below and preventing climbing. The structure of the adjusting worm 298 and adjusting worm gear 297 eliminates the need for personnel to extend their arms out of the platform 27 to control the rotation of the adjusting screw 295, thus improving operational safety.

[0039] In actual operation, the heating plate 11 is started to heat the kiln body 2 for ceramic firing. During the heating process, organic waste gas is arranged inside the kiln body 2. The air pump 12 is started to discharge the organic waste gas, so as not to affect the next firing process of the kiln body 2. The handle 16 is pressed and fixed by the insertion rod 29 to prevent the handle 16 from rotating. When the inner main plate 18 is damaged, the handle 16 drives the rotating plate 17 to flip, so that the inner main plate 18 is arranged on the outer end of the kiln body 2. The ladder is climbed to the platform 27 for repair.

[0040] Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of the present invention without inventive effort should fall within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described and explained in the present invention, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. A wax-removing kiln suction control system, comprising a base platform (1) and a kiln body (2), characterized in that, A heating plate (11) is embedded on the upper surface of the base (1), a kiln body (2) is installed on the upper surface of the heating plate (11), an air pump (12) is installed on the upper surface of the kiln body (2), an air outlet pipe (13) is installed at the bottom of the air pump (12), a feed inlet (14) is installed on the outer wall of the kiln body (2), and a first valve is installed on the outer wall of the feed inlet (14). A circular hole is provided on the upper end face of the kiln body (2). A main shaft (15) is rotatably installed in the circular hole through a bearing. A handle (16) is installed on the right end face of the main shaft (15). A rotating plate (17) is installed on the outer side wall of the main shaft (15). An inner shell is installed at the bottom of the rotating plate (17). An inner main plate (18) is arranged inside the inner shell. A sealing gasket (24) is installed on the upper end face of the kiln body (2). A pressure plate (25) is screwed to the upper end face of the rotating plate (17) through a first bolt. An inclined ladder (26) is installed on the upper end face of the base (1), a platform (27) is installed on the left end face of the inclined ladder (26), a spring rod (28) is installed on the upper end face of the platform (27), a plug rod (29) is installed on the upper end face of the spring rod (28), and a plug hole is symmetrically opened on the outer side wall of the handle (16), and the plug rod (29) is inserted into the plug hole; The upper surface of the base (1) is fitted with an annular disk (291) by means of rotational engagement. The upper surface of the annular disk (291) is fitted with a control panel (292) by means of a connecting rod. The control panel (292) is electrically connected to the inner main board (18). The upper surface of the annular disk (291) is fitted with an annular frame (293). The outer side wall of the annular frame (293) is fitted with multiple side plates along its circumferential direction. A fixed cavity (294) is installed on the upper end face of the base (1). An adjusting screw (295) is rotatably installed in the bottom of the fixed cavity (294) through a bearing. An adjusting slider is installed on the outer wall of the adjusting screw (295). A sliding plate is installed on the upper end face of the adjusting slider. A placement cavity (296) is installed on the upper end face of the sliding plate through a sliding fit. An adjusting worm gear (297) is installed on the upper end face of the adjusting screw (295). An adjusting worm (298) is rotatably installed on the outer wall of the adjusting worm gear (297). An adjusting rod is installed on the inner end of the adjusting worm (298).

2. The wax removal kiln suction control system according to claim 1, characterized in that, A gas sensor group (19) is installed at the bottom of the inner shell, and a spare gas sensor group (21) is arranged to the right of the cylinder sensor group. The gas sensor group (19) and the spare gas sensor group (21) are electrically connected to the inner main board (18).

3. The wax removal kiln suction control system according to claim 1, characterized in that, A pressure sensor (22) is installed at the bottom of the inner shell, and a spare pressure sensor (23) is arranged behind the pressure sensor (22). The pressure sensor (22) and the spare pressure sensor (23) are electrically connected to the inner main board (18).

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