Heavy calcium carbonate calcining furnace

Abstract

The utility model discloses a heavy calcium carbonate calcining furnace which comprises a furnace body, an inner wall cleaning mechanism for cleaning ash on the furnace wall is arranged in the furnace body, and an impurity cleaning assembly for flushing the interior of the furnace body is further arranged on the furnace body. The inner wall cleaning mechanism comprises an air cylinder fixed to the top of the furnace body, the output end of the air cylinder penetrates through the top of the furnace body and extends into the furnace body, a cleaning scraping frame is connected to the inner wall of the furnace body in a sliding mode, and a transverse plate is fixed between the opposite sides of the inner wall of the cleaning scraping frame. According to the heavy calcium carbonate calcining furnace, through the arrangement of the inner wall cleaning mechanism, automatic cleaning of residues adhered to the furnace wall is achieved, through the arrangement of the impurity cleaning assembly, cleaning of residues and impurities in the furnace is achieved, the interior of the furnace is conveniently and thoroughly cleaned, and the cleaning efficiency of the furnace body is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of calcination, in particular to a heavy calcium carbonate calcining furnace. Background Art

[0002] Heavy calcium carbonate is an important inorganic chemical raw material, widely used in rubber, plastic, coating, papermaking and other industries. In the production process of heavy calcium carbonate, calcination is an important link.

[0003] Referring to the Chinese patent, calcining furnace for heavy calcium carbonate production line (publication number: CN210512618U, publication date: 2020-05-12), this patent solves the problem that the preheat gas discharged during calcination in the existing calcining furnace is not fully utilized, wasting a large amount of combustion raw materials and increasing the combustion cost. However, after calcination, the existing calcining furnace will have a lot of residues adhering to the furnace wall, which is not easy to clean thoroughly. During the calcination process, when the flue gas is discharged to the outside, some impurities are also easily discharged. Usually, a filter is installed in the exhaust pipe to filter out larger particulate impurities, but the filter is difficult to remove for replacement and cleaning. In this regard, we propose a heavy calcium carbonate calcining furnace to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a heavy calcium carbonate calcining furnace, which solves the problems in the background technology.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a heavy calcium carbonate calcining furnace, including a furnace body, the interior of the furnace body is provided with an inner wall cleaning mechanism for cleaning the furnace wall, and the furnace body is also provided with an impurity cleaning component for flushing the furnace body;

[0006] The inner wall cleaning mechanism comprises a cylinder fixed on the top of the furnace body, the output end of the cylinder passes through the top of the furnace body and extends to the inside of the furnace body, a cleaning scraper is slidably connected to the inner wall of the furnace body, a horizontal plate is fixed between opposite sides of the inner wall of the cleaning scraper, and the output end of the cylinder is fixed to the top of the horizontal plate;

[0007] The impurity cleaning assembly includes a water tank fixed on the top of the furnace body, the top of the water tank is connected to a water inlet pipe, one side of the water tank is connected to a curved pipe, the bottom end of the curved pipe passes through the top of the furnace body and extends to the interior of the furnace body, the bottom end of the curved pipe is connected to a horizontal pipe, and the bottom of the horizontal pipe is connected to multiple nozzles.

[0008] Preferably, the top of the furnace body is connected to a smoke exhaust pipe, and a filter is provided inside the smoke exhaust pipe.

[0009] Preferably, a quick-release replacement mechanism is provided between the filter screen and the smoke exhaust pipe, and the quick-release replacement mechanism comprises U-shaped rods fixed on both sides of the top of the filter screen.

[0010] Preferably, a magnetic block 1 is fixed to the bottom end of the two U-shaped rods, a magnetic block 2 is fixed to both sides of the smoke exhaust pipe, the two magnetic blocks 2 are attracted to the magnetic block 1 by magnetic force, and a handle is fixed to the top of the two U-shaped rods.

[0011] Preferably, a heat insulation board is slidably connected to one side of the furnace body, and one side of the heat insulation board penetrates the furnace body and extends to the outside of the furnace body.

[0012] Preferably, a furnace door is rotatably connected to one side of the furnace body, and four supporting legs are fixed to the bottom of the furnace body.

[0013] Beneficial Effects

[0014] The utility model provides a heavy calcium carbonate calcining furnace. Compared with the prior art, it has the following beneficial effects:

[0015] (1) The heavy calcium carbonate calcining furnace realizes automatic cleaning of the residue adhering to the furnace wall by setting the inner wall cleaning mechanism, and realizes cleaning of the residue and impurities in the furnace by setting the impurity cleaning component, which facilitates and thoroughly cleans the furnace and greatly improves the cleaning efficiency of the furnace body.

[0016] (2) The heavy calcium carbonate calcining furnace can filter impurities in the smoke during smoke exhaust by setting the filter, and can quickly disassemble the filter by setting the quick-disassembly and replacement mechanism, so that the filter can be easily removed for cleaning or replacement, thereby improving the efficiency of disassembling and assembling the filter, being easy to operate and having high practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 A partial enlarged view of the middle A;

[0019] Figure 3 It is a three-dimensional diagram of the inner wall cleaning mechanism of the utility model;

[0020] Figure 4 It is a three-dimensional diagram of the impurity cleaning component of the utility model.

[0021] In the figure: 1. furnace body; 2. inner wall cleaning mechanism; 3. impurity cleaning component; 4. exhaust pipe; 5. filter; 6. quick-release replacement mechanism; 7. heat insulation board; 8. furnace door; 9. support foot; 21. cylinder; 22. cleaning scraper; 23. horizontal plate; 31. water tank; 32. water inlet pipe; 33. elbow; 34. horizontal pipe; 35. nozzle; 61. U-shaped rod; 62. magnetic block one; 63. magnetic block two; 64. handle; 7. heat insulation board; 8. furnace door; 9. support foot. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model provides two technical solutions: specifically including the following embodiments:

[0024] Example 1

[0025] See also Figure 1 , Figure 3 , Figure 4 A heavy calcium carbonate calcining furnace comprises a furnace body 1, the furnace body 1 is an electric calcining furnace, and an electric heating wire is provided inside the electric calcining furnace. When the electric heating wire is energized, heat is generated, and the heat is transferred to the material in the furnace by radiation, convection and conduction to calcine the material. An inner wall cleaning mechanism 2 for cleaning the furnace wall is arranged inside the furnace body 1, and an impurity cleaning component 3 for flushing the furnace body 1 is also arranged on the furnace body 1;

[0026] The inner wall cleaning mechanism 2 includes a cylinder 21 fixed on the top of the furnace body 1. The cylinder 21 is controlled by an external switch and is electrically connected to an external power supply. The output end of the cylinder 21 passes through the top of the furnace body 1 and extends to the inside of the furnace body 1. A cleaning scraper 22 is slidably connected to the inner wall of the furnace body 1. The cleaning scraper 22 is adapted to the size of the inner wall of the furnace body 1. A horizontal plate 23 is fixed between opposite sides of the inner wall of the cleaning scraper 22. The output end of the cylinder 21 is fixed to the top of the horizontal plate 23.

[0027] The impurity cleaning component 3 includes a water tank 31 fixed on the top of the furnace body 1. Clean water is stored in the water tank 31. The top of the water tank 31 is connected to a water inlet pipe 32, and clean water is introduced into the water tank 31 from the water inlet pipe 32. One side of the water tank 31 is connected to a curved pipe 33, and the bottom end of the curved pipe 33 passes through the top of the furnace body 1 and extends to the inside of the furnace body 1. The bottom end of the curved pipe 33 is connected to a transverse pipe 34, and the bottom of the transverse pipe 34 is connected to a plurality of nozzles 35. The nozzles 35 are controlled by an external switch and are electrically connected to an external power supply. When started, the water in the water tank 31 can be sprayed out.

[0028] By setting up the inner wall cleaning mechanism 2, the residue adhering to the furnace wall can be automatically cleaned, and by setting up the impurity cleaning component 3, the residue and impurities in the furnace can be cleaned, which facilitates the thorough cleaning of the furnace and greatly improves the cleaning efficiency of the furnace body.

[0029] The top of the furnace body 1 is connected to a smoke exhaust pipe 4, and a filter screen 5 is arranged inside the smoke exhaust pipe 4, and the filter screen 5 can filter out impurities in the smoke.

[0030] A heat insulation board 7 is slidably connected to one side of the furnace body 1. The setting of the heat insulation board 7 can prevent excessive temperature from damaging equipment such as the nozzle 35 and the cylinder 21 during calcination. A handle is installed on one side of the heat insulation board 7. One side of the heat insulation board 7 passes through the furnace body 1 and extends to the outside of the furnace body 1.

[0031] A furnace door 8 is rotatably connected to one side of the furnace body 1 , and four supporting legs 9 are fixed to the bottom of the furnace body 1 .

[0032] Example 2

[0033] Based on Example 1, see Figure 2 As shown, a quick-release replacement mechanism 6 is provided between the filter screen 5 and the smoke exhaust pipe 4 , and the quick-release replacement mechanism 6 includes U-shaped rods 61 fixed on both sides of the top of the filter screen 5 .

[0034] A magnetic block 1 62 is fixed to the bottom end of the two U-shaped rods 61 , and a magnetic block 2 63 is fixed to both sides of the smoke exhaust pipe 4 . The two magnetic blocks 2 63 are attracted to the magnetic block 1 62 by magnetic force, and a handle 64 is fixed to the top of the two U-shaped rods 61 .

[0035] By setting the filter 5, impurities in the smoke are filtered during smoke exhaust, and by setting the quick-release replacement mechanism 6, the filter 5 can be quickly disassembled, which is convenient for cleaning or replacing the filter 5 after removal, thereby improving the efficiency of disassembling and assembling the filter 5, being easy to operate and having strong practicality.

[0036] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0037] During operation, the furnace door 8 is opened, and the heavy calcium carbonate raw material is placed into the furnace body 1. The calcining equipment in the furnace body 1 is further started to calcine the heavy calcium carbonate raw material. After the calcination is completed, the insulation board 7 is pulled out, and the smoke is further discharged from the smoke exhaust pipe 4. The cylinder 21 is further started, so that the cylinder 21 drives the cross plate 23 and the cleaning scraper 22 to move downward, so that the cleaning scraper 22 scrapes and cleans the impurities on the furnace wall, and the nozzle 35 is further started to spray water from the nozzle 35 to wash the furnace. The furnace door 8 is opened to discharge the water. When the filter 5 needs to be cleaned or replaced, the two handles 64 are pulled upward, so that the handles 64 drive the U-shaped rod 61 to move upward, and at the same time, the U-shaped rod 61 drives the magnetic block 1 62 to separate from the magnetic block 2 63, and the filter 5 can be further taken out.

[0038] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A heavy calcium carbonate calcining furnace, comprising a furnace body (1), characterized in that: The furnace body (1) is provided with an inner wall cleaning mechanism (2) for cleaning the furnace wall, and the furnace body (1) is also provided with an impurity cleaning component (3) for flushing the furnace body (1); The inner wall cleaning mechanism (2) comprises a cylinder (21) fixed on the top of the furnace body (1), the output end of the cylinder (21) passes through the top of the furnace body (1) and extends into the interior of the furnace body (1), a cleaning scraper (22) is slidably connected to the inner wall of the furnace body (1), a horizontal plate (23) is fixed between opposite sides of the inner wall of the cleaning scraper (22), and the output end of the cylinder (21) is fixed to the top of the horizontal plate (23); The impurity cleaning component (3) comprises a water tank (31) fixed on the top of the furnace body (1); the top of the water tank (31) is connected to a water inlet pipe (32); one side of the water tank (31) is connected to a curved pipe (33); the bottom end of the curved pipe (33) passes through the top of the furnace body (1) and extends to the interior of the furnace body (1); the bottom end of the curved pipe (33) is connected to a transverse pipe (34); the bottom of the transverse pipe (34) is connected to a plurality of nozzles (35).

2. A heavy calcium carbonate calcining furnace according to claim 1, characterized in that: The top of the furnace body (1) is connected to a smoke exhaust pipe (4), and a filter screen (5) is arranged inside the smoke exhaust pipe (4).

3. A heavy calcium carbonate calcining furnace according to claim 2, characterized in that: A quick-release replacement mechanism (6) is provided between the filter screen (5) and the smoke exhaust pipe (4), and the quick-release replacement mechanism (6) comprises U-shaped rods (61) fixed on both sides of the top of the filter screen (5).

4. A heavy calcium carbonate calcining furnace according to claim 3, characterized in that: A magnetic block 1 (62) is fixed at the bottom end of the two U-shaped rods (61), and a magnetic block 2 (63) is fixed on both sides of the smoke exhaust pipe (4). The two magnetic blocks 2 (63) are attracted to the magnetic block 1 (62) by magnetic force, and a handle (64) is fixed at the top of the two U-shaped rods (61).

5. A heavy calcium carbonate calcining furnace according to claim 1, characterized in that: A heat insulation board (7) is slidably connected to one side of the furnace body (1), and one side of the heat insulation board (7) penetrates the furnace body (1) and extends to the outside of the furnace body (1).

6. A heavy calcium carbonate calcining furnace according to claim 1, characterized in that: A furnace door (8) is rotatably connected to one side of the furnace body (1), and four supporting legs (9) are fixed to the bottom of the furnace body (1).

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