Flue gas waste heat recovery device for ceramic kiln

Abstract

The flue gas waste heat recovery device for the ceramic kiln comprises a firing bin and a preheating bin, an air blower is arranged above the firing bin, the air blower is connected with the firing bin and the preheating bin through connecting pipes respectively, an installation box is embedded in the connecting pipes, an installation frame is arranged in the installation box, and the installation frame is connected with the firing bin and the preheating bin. A filter frame is arranged on the mounting frame, rubber sheets are arranged on the two sides of the filter frame, the two sides of each rubber sheet are fixedly connected with the filter frame and the mounting frame respectively, the air blower is started, smoke in the firing bin enters the air blower along the connecting pipe and is passively input into the preheating bin, and when the smoke passes through the mounting box, the smoke is discharged out of the preheating bin. Dust in smoke is filtered under the action of the filtering frame, the dust adheres to the filtering frame, rotates through the cam and makes intermittent contact with the sliding block, the sliding block and the filtering frame are pushed, the filtering frame transversely shakes in a reciprocating mode under the action of the telescopic spring, and the dust adhering to the filtering frame is shaken off; and the flowing fluency of the flue gas is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of waste heat recovery, in particular to a flue gas waste heat recovery device for a ceramic kiln. Background Art

[0002] Ceramics is a general term for pottery and porcelain. During the production process of ceramics, kilns are needed to fire the ceramics. Ceramic kilns refer to furnaces used to fire ceramic objects and sculptures. They are generally built with refractory materials. During the firing process of ceramics in ceramic kilns, a large amount of smoke and dust will be generated. The smoke and dust will contain a large amount of heat. In order to save energy, it is usually necessary to recycle this heat to maximize the use of resources and avoid waste of resources.

[0003] The existing waste heat recovery and utilization system of ceramic kilns usually uses a blower to output hot air through a pipe when recovering the waste heat in the ceramic kiln, and uses the waste heat of the flue gas to preheat the ceramics or keep the kiln warm. However, the smoke contains a large amount of dust, which is carried out through the pipe with the smoke, causing air pollution. The large amount of smoke accumulation can easily damage the airflow guiding devices such as the blower, thereby affecting the effect of waste heat recovery. Utility Model Content

[0004] The purpose of the utility model is to provide a flue gas waste heat recovery device for a ceramic kiln to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flue gas waste heat recovery device for a ceramic kiln, comprising a firing chamber and a preheating chamber, a blower is provided above the firing chamber, the blower is respectively connected to the firing chamber and the preheating chamber through connecting pipes, an installation box is embedded in the connecting pipe, a mounting frame is provided in the installation box, a filter frame is provided on the mounting frame, rubber sheets are provided on both sides of the filter frame, and the two sides of the rubber sheet are respectively fixedly connected to the filter frame and the mounting frame.

[0006] As a further preferred embodiment of the present technical solution, a slider is provided on the filter frame, and the number of the sliders is set to two groups, and the two groups of sliders are symmetrically distributed. A mounting rod is provided in the mounting frame, and a telescopic spring is sleeved on the mounting rod, and the number of the telescopic springs is set to two groups. The slider is slidably sleeved on the mounting rod, and the two ends of the telescopic spring are respectively fixedly connected to the slider and the mounting frame.

[0007] As a further preferred embodiment of the present technical solution, a cam is provided in the mounting frame, and the number of the cams is set in two groups. The two groups of cams are arranged corresponding to the sliders, and the cams are rotatably connected to the mounting frame through a rotating shaft. A first synchronous wheel is provided on the cam, a connecting rod is provided in the mounting frame, a synchronous belt is provided in the mounting frame, and a first motor is provided in the mounting frame, and the upper end of the connecting rod is connected to the output end of the first motor.

[0008] As a further preferred embodiment of the present technical solution, two groups of second synchronous wheels are respectively sleeved on both ends of the connecting rod, the two groups of second synchronous wheels are arranged corresponding to the first synchronous wheels, and the number of synchronous belts is set to two groups, and the two groups of synchronous belts are respectively connected to the corresponding first synchronous wheel and second synchronous wheel for transmission.

[0009] As a further preferred embodiment of the present technical solution, a dust collecting groove is provided in the installation box, a scraper is provided in the dust collecting groove, the scraper is slidably connected to the installation box through the dust collecting groove, two groups of screw rods are provided in the installation box, the two groups of screw rods pass through the scraper and are symmetrically distributed, the two ends of the two groups of screw rods respectively pass through the installation box and are rotatably connected to the installation box, the two groups of screw rods respectively pass through both sides of the scraper and are threadedly connected to the scraper, a transmission belt is provided in the installation box, transmission wheels are sleeved on the two groups of screw rods, the transmission belt is transmission-connected to the two groups of transmission wheels, a second motor is provided in the installation box, and the screw rod on the left is connected to the output end of the second motor.

[0010] As a further preferred embodiment of the present technical solution, a closing plate is provided on the installation box, and the closing plate is rotatably connected to the installation box via a rotating shaft, a torsion spring is sleeved on the rotating shaft, and two ends of the torsion spring are respectively fixedly connected to the closing plate and the installation box, and the closing plate is arranged corresponding to the dust collecting groove.

[0011] The utility model provides a flue gas waste heat recovery device for a ceramic kiln, which has the following beneficial effects:

[0012] (1) The utility model achieves the filtration and collection of dust contained in the smoke circulation process by setting up an installation box, an installation frame and a filter frame, so as to prevent dust from entering the blower or the preheating chamber; the blower is started, and the smoke in the firing chamber enters the blower along the connecting pipe and is passively input into the preheating chamber. When the smoke flows through the installation box, the dust in the smoke is filtered by the filter frame, and the dust adheres to the filter frame and intermittently contacts the slider through the rotation of the cam, pushing the slider and the filter frame, and under the action of the telescopic spring, the filter frame is made to shake back and forth horizontally, so as to shake off the dust adhered to the filter frame and ensure the smoothness of the smoke flow.

[0013] (2) The utility model collects the dust blocked by the filter frame by setting up a dust collecting trough, and automatically cleans the dust in the dust collecting trough by using a scraper, and discharges it through the closing plate, thereby reducing the workload of manual cleaning; the filter frame shakes to shake the dust adhering to the filter frame into the dust collecting trough, and the second motor is started, and the two sets of screws rotate synchronously under the action of the transmission belt and the transmission wheel, and the scraper slides in the dust collecting trough under the limiting action of the installation box, pushing the dust in the dust collecting trough to the closing plate, and the scraper pushes the closing plate open to automatically discharge the dust. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a cross-sectional view of the installation box of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the mounting frame of the utility model;

[0017] Figure 4 For the utility model Figure 3 -A magnified view of the structure;

[0018] Figure 5 It is a structural schematic diagram of the scraper of the utility model;

[0019] Figure 6 For the utility model Figure 5 -Enlarged view of the structure at B;

[0020] In the figure: 1. firing chamber; 2. preheating chamber; 3. blower; 4. mounting box; 5. mounting frame; 6. filter frame; 7. rubber sheet; 8. slider; 9. mounting rod; 10. telescopic spring; 11. cam; 12. first synchronous wheel; 13. synchronous belt; 14. connecting rod; 15. first motor; 16. second synchronous wheel; 17. dust collecting trough; 18. scraper; 19. screw rod; 20. transmission wheel; 21. transmission belt; 22. second motor; 23. closing plate; 24. torsion spring; 25. connecting pipe; 26. rotating shaft. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0022] The utility model provides a technical solution: Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, in the present embodiment, a flue gas waste heat recovery device for a ceramic kiln comprises a firing bin 1 and a preheating bin 2. A blower 3 is arranged above the firing bin 1. The blower 3 is respectively connected to the firing bin 1 and the preheating bin 2 through a connecting pipe 25. A mounting box 4 is embedded in the connecting pipe 25. A mounting frame 5 is arranged in the mounting box 4. A filter frame 6 is arranged on the mounting frame 5. Rubber sheets 7 are arranged on both sides of the filter frame 6. Both sides of the rubber sheet 7 are respectively fixedly connected to the filter frame 6 and the mounting frame 5. A slider 8 is arranged on the filter frame 6. There are two groups of sliders 8. The two groups of sliders 8 are symmetrically distributed. A mounting rod 9 is arranged in the mounting frame 5. A telescopic spring 10 is sleeved on the mounting rod 9. There are two groups of telescopic springs 10. The slider 8 is slidably sleeved with the mounting rod 9. The telescopic spring 10 is The two ends are fixedly connected to the slider 8 and the mounting frame 5 respectively. A cam 11 is provided in the mounting frame 5. The number of cams 11 is set in two groups. The two groups of cams 11 are set corresponding to the slider 8. The cam 11 is rotatably connected to the mounting frame 5 through a rotating shaft 26. A first synchronous wheel 12 is provided on the cam 11. A connecting rod 14 is provided in the mounting frame 5. A synchronous belt 13 is provided in the mounting frame 5. A first motor 15 is provided in the mounting frame 5. The upper end of the connecting rod 14 is connected to the output end of the first motor 15. Two groups of second synchronous wheels 16 are respectively sleeved on both ends of the connecting rod 14. The two groups of second synchronous wheels 16 are set corresponding to the first synchronous wheel 12. There are two groups of synchronous belts 13. The two groups of synchronous belts 13 are respectively connected to the corresponding first synchronous wheel 12 and the second synchronous wheel 16 for transmission.

[0023] By setting up the installation box 4, the installation frame 5 and the filter frame 6, the dust contained in the smoke circulation process can be filtered and collected to prevent the dust from entering the blower 3 or the preheating chamber 2; start the blower 3, and the smoke in the firing chamber 1 enters the blower 3 along the connecting pipe 25 and is passively input into the preheating chamber 2. When the smoke flows through the installation box 4, the dust in the smoke is filtered by the filter frame 6. The dust adheres to the filter frame 6 and rotates through the cam 11, and intermittently contacts the slider 8, pushing the slider 8 and the filter frame 6, and under the action of the telescopic spring 10, the filter frame 6 is made to shake back and forth horizontally, and the dust adhered to the filter frame 6 is shaken off, thereby ensuring the smoothness of the smoke flow.

[0024] like Figure 5 and Figure 6As shown, a dust collecting groove 17 is provided in the installation box 4, a scraper 18 is provided in the dust collecting groove 17, and the scraper 18 is slidably connected to the installation box 4 through the dust collecting groove 17. Two sets of screw rods 19 are provided in the installation box 4, and the two sets of screw rods 19 are symmetrically distributed through the scraper 18. The two ends of the two sets of screw rods 19 respectively penetrate the installation box 4 and are rotatably connected to the installation box 4. The two sets of screw rods 19 respectively penetrate the two sides of the scraper 18 and are threadedly connected to the scraper 18. A transmission belt 21 is provided in the installation box 4, and the two sets of screw rods A transmission wheel 20 is sleeved on 19, and a transmission belt 21 is transmission-connected to the two sets of transmission wheels 20. A second motor 22 is arranged in the installation box 4, and the left side lead screw 19 is connected to the output end of the second motor 22. A closing plate 23 is arranged on the installation box 4, and the closing plate 23 is rotationally connected to the installation box 4 through a rotating shaft 26. A torsion spring 24 is sleeved on the rotating shaft 26, and both ends of the torsion spring 24 are respectively fixedly connected to the closing plate 23 and the installation box 4, and the closing plate 23 is arranged corresponding to the dust collecting groove 17.

[0025] The dust blocked by the filter frame 6 is collected by setting a dust collecting groove 17, and the dust in the dust collecting groove 17 is automatically cleaned by the scraper 18 and discharged through the closing plate 23, thereby reducing the workload of manual cleaning; the filter frame 6 is shaken to shake the dust adhering to the filter frame 6 into the dust collecting groove 17, and the second motor 22 is started. Under the action of the transmission belt 21 and the transmission wheel 20, the two groups of screw rods 19 rotate synchronously, and under the limiting action of the installation box 4, the scraper 18 slides in the dust collecting groove 17, and the dust in the dust collecting groove 17 is pushed to the closing plate 23, and the scraper 18 pushes the closing plate 23 open to automatically discharge the dust.

[0026] The utility model provides a flue gas waste heat recovery device for a ceramic kiln, and the specific working principle is as follows: the blower 3 is started, and the flue gas in the firing bin 1 enters the blower 3 along the connecting pipe 25 and is passively input into the preheating bin 2. When the flue gas flows through the installation box 4, the dust in the flue gas is filtered by the filter frame 6. The dust adheres to the filter frame 6 and rotates through the cam 11, and intermittently contacts the slider 8, which pushes the slider 8 and the filter frame 6, and the filter frame 6 is made to move under the action of the telescopic spring 10. The dust adhering to the filter frame 6 is shaken off by reciprocating horizontal movement to ensure the smoothness of the flue gas flow. The filter frame 6 is shaken to shake off the dust adhering to the filter frame 6 into the dust collecting tank 17. The second motor 22 is started. The two sets of screw rods 19 are rotated synchronously under the action of the transmission belt 21 and the transmission wheel 20. The scraper 18 slides in the dust collecting tank 17 under the limiting action of the installation box 4, and the dust in the dust collecting tank 17 is pushed to the closing plate 23. The scraper 18 pushes the closing plate 23 open to automatically discharge the dust.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flue gas waste heat recovery device for a ceramic kiln, comprising a firing chamber (1) and a preheating chamber (2), characterized in that: A blower (3) is provided above the firing bin (1), and the blower (3) is respectively connected to the firing bin (1) and the preheating bin (2) through a connecting pipe (25), and a mounting box (4) is embedded on the connecting pipe (25), and a mounting frame (5) is provided inside the mounting box (4), and a filter frame (6) is provided on the mounting frame (5), and rubber sheets (7) are provided on both sides of the filter frame (6), and the two sides of the rubber sheet (7) are respectively fixedly connected to the filter frame (6) and the mounting frame (5).

2. The flue gas waste heat recovery device for a ceramic kiln according to claim 1, characterized in that: The filter frame (6) is provided with a slider (8), the number of which is set to two groups, and the two groups of sliders (8) are symmetrically distributed. A mounting rod (9) is provided in the mounting frame (5), and a telescopic spring (10) is sleeved on the mounting rod (9), and the number of which is set to two groups. The slider (8) is slidably sleeved with the mounting rod (9), and the two ends of the telescopic spring (10) are respectively fixedly connected to the slider (8) and the mounting frame (5).

3. The flue gas waste heat recovery device for a ceramic kiln according to claim 1, characterized in that: The mounting frame (5) is provided with a cam (11), the number of the cams (11) is two groups, the two groups of the cams (11) are arranged corresponding to the slider (8), the cams (11) are rotatably connected to the mounting frame (5) via a rotating shaft (26), a first synchronous wheel (12) is provided on the cam (11), a connecting rod (14) is provided in the mounting frame (5), a synchronous belt (13) is provided in the mounting frame (5), a first motor (15) is provided in the mounting frame (5), and the upper end of the connecting rod (14) is connected to the output end of the first motor (15).

4. The flue gas waste heat recovery device for a ceramic kiln according to claim 3, characterized in that: Two sets of second synchronous wheels (16) are respectively sleeved at both ends of the connecting rod (14), and the two sets of the second synchronous wheels (16) are arranged corresponding to the first synchronous wheels (12). The number of the synchronous belts (13) is two sets, and the two sets of the synchronous belts (13) are respectively connected to the corresponding first synchronous wheels (12) and second synchronous wheels (16) in transmission.

5. The flue gas waste heat recovery device for a ceramic kiln according to claim 1, characterized in that: A dust collecting groove (17) is provided in the installation box (4), a scraper (18) is provided in the dust collecting groove (17), and the scraper (18) is slidably connected to the installation box (4) through the dust collecting groove (17). Two groups of screw rods (19) are provided in the installation box (4), and the two groups of screw rods (19) penetrate the scraper (18) and are symmetrically distributed. The two ends of the two groups of screw rods (19) respectively penetrate the installation box (4) and are rotatably connected to the installation box (4). The two groups of screw rods (19) respectively penetrate the two sides of the scraper (18) and are threadedly connected to the scraper (18). A transmission belt (21) is provided in the installation box (4), and a transmission wheel (20) is sleeved on the two groups of screw rods (19). The transmission belt (21) is transmission-connected to the two groups of transmission wheels (20). A second motor (22) is provided in the installation box (4), and the left screw rod (19) is connected to the output end of the second motor (22).

6. The flue gas waste heat recovery device for a ceramic kiln according to claim 1, characterized in that: The installation box (4) is provided with a closing plate (23), the closing plate (23) is rotatably connected to the installation box (4) via a rotating shaft (26), a torsion spring (24) is sleeved on the rotating shaft (26), the two ends of the torsion spring (24) are respectively fixedly connected to the closing plate (23) and the installation box (4), and the closing plate (23) is correspondingly arranged to the dust collecting groove (17).

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