Novel expansion furnace for expanded perlite processing

Abstract

The utility model provides a novel expansion furnace for expanded perlite processing, which comprises an expansion furnace body, one side of the expansion furnace body is provided with a feed inlet, the top of an inner cavity of the expansion furnace body is fixedly connected with an annular pipe, and the top of the inner cavity of the expansion furnace body is fixedly connected with a plurality of first fixing rods. A first air supply pipe and a second air supply pipe are arranged at the bottom of an inner cavity of the expansion furnace body. Firstly, hot air entering the expansion furnace body can enter the preheating cavity through the air inlet hole, raw materials in the temporary storage box can be preheated, the heating rate is increased, the working efficiency is improved, the raw materials falling into the middle of the expansion furnace body can be dispersed and blocked through the arranged second fixing rod, and therefore the raw materials can be prevented from falling into the expansion furnace body. And the time that the raw materials stay in the flame is prolonged, the heating efficiency is improved, the time that the raw materials stay in the flame can be further prolonged through gas sprayed out of the second gas supply pipe, and the working effect is improved.

Description

Technical Field

[0001] The utility model relates to the field of expanded perlite processing, in particular to a novel expansion furnace for expanded perlite processing. Background Art

[0002] Perlite expansion furnace is a special equipment for producing perlite vitrified microspheres. It can be used in the refractory industry to produce 0.6g / cm3 lightweight energy-saving refractory bricks and various ultra-lightweight energy-saving refractory materials. Expanded perlite can be used as a filter, catalyst, molecular sieve, and a carrier for rubber, fertilizers, and pesticides. The perlite expansion furnaces on the market that produce expanded perlite can be divided into electric furnaces, pulverized coal furnaces, natural gas furnaces, and gas generators according to the type of fuel. During the descent process, some perlite particles fall to the bottom of the expansion furnace and need to be taken out when the machine is shut down, which is inconvenient to operate.

[0003] Patent No. CN202120476456.0 in the prior art discloses an expansion furnace for processing perlite, including an expansion furnace, a bottom plate extending along the left high and right low inclination is arranged at the bottom of the expansion furnace, a first channel penetrating to the outside of the expansion furnace is opened at the right end of the bottom plate, a conveying square tube in contact with the expansion furnace is vertically arranged at the upper end of the first channel, a second channel penetrating to the inside of the expansion furnace and higher than the natural gas combustion mechanism is opened at the left side of the upper end of the conveying square tube, a telescopic mechanism is vertically arranged above the conveying square tube, the telescopic rod of the telescopic mechanism penetrates downward into the conveying square tube and a slider is arranged at the lower end, a hopper with left and upper openings is hinged at the left end of the slider, a coil spring is arranged between the slider and the hopper, and a triangular baffle extending vertically along the left and right directions corresponding to the front end face of the hopper is arranged at the upper end of the conveying square tube. The utility model collects and lifts the perlite dropped at the bottom of the expansion furnace and puts it into the expansion furnace again for expansion, but in actual use, the added raw materials are directly heated by entering the expansion furnace through the pipeline, which is inconvenient to preheat the added raw materials, which is easy to affect the heating efficiency and the processing rate. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies in the prior art and provide a new expansion furnace for processing expanded pearlite.

[0005] The utility model is realized through the following technical solutions:

[0006] A new expansion furnace for processing expanded perlite comprises an expansion furnace body, a feed port is provided on one side of the expansion furnace body, an annular tube is fixedly connected to the top of the inner cavity of the expansion furnace body, a plurality of first fixing rods are fixedly connected to the top of the inner cavity of the expansion furnace body, a first air supply pipe and a second air supply pipe are arranged at the bottom of the inner cavity of the expansion furnace body; a plurality of second fixing rods are arranged at the top of the first air supply pipe, a temporary storage box is fixedly connected to the side of the expansion furnace body close to the feed port, a guide plate is fixedly connected to the bottom of the side of the inner cavity of the expansion furnace body close to the feed port, an air inlet hole is provided on one side of the bottom of the guide plate, a preheating chamber is provided in the middle of the temporary storage box; a filter plate is arranged at the bottom of the guide plate, and a card strip is arranged on one side of the filter plate.

[0007] Optionally, a circulating feeding mechanism is provided on one side of the expansion furnace body, a guide plate is fixedly connected to the bottom of the inner cavity of the expansion furnace body, a plurality of small holes are opened at the bottom of the annular tube, and a water inlet pipe is connected to one side of the annular tube.

[0008] Optionally, the number of the first fixing rods and the second fixing rods is the same, the first fixing rods and the second fixing rods are both arranged in two layers, and the two layers of stabilizing rods and the first fixing rods are staggered with each other.

[0009] Optionally, the cross-sectional shape of the first air supply pipe is set to an "S" shape, the first air supply pipe is arranged on the top of the second air supply pipe, and the cross-sectional shape of the second air supply pipe is set to an "S" shape.

[0010] Optionally, a stabilizing rod and a first air inlet pipe are respectively connected to both sides of the first air supply pipe, and one end of the stabilizing rod is fixedly connected to one side of the inner cavity of the expansion furnace body.

[0011] Optionally, two ends of the second air supply pipe are respectively connected to a fixing plate and a second air inlet pipe, and one end of the fixing plate is fixedly connected to one side of the inner cavity of the expansion furnace body.

[0012] Optionally, the air inlet is communicated with the preheating chamber, the filter plate corresponds to the air inlet, and the cross-sectional shape of the card strip is set to be "L" shape.

[0013] The beneficial effects of the utility model are:

[0014] The utility model firstly allows the hot air entering the furnace body of the expansion furnace to enter the interior of the preheating chamber through the air inlet hole, so as to preheat the raw materials in the temporary storage box, thereby increasing the heating rate and the working efficiency. The second fixing rod is provided to disperse and block the raw materials falling in the middle of the furnace body of the expansion furnace, thereby increasing the time the raw materials stay in the flame and improving the heating efficiency. The gas ejected through the second air supply pipe can further increase the time the raw materials stay in the flame and improve the working effect.

[0015] The utility model can also prevent raw materials from entering the interior of the preheating chamber through the filter plate, thereby playing a blocking role, and limit the filter plate through the provided clamping strip. Through the first air supply pipe and the second air supply pipe, the gas and flame can be evenly distributed, and then the heat can be evenly distributed, thereby improving the uniformity of heating, and the first fixing rod can be used to increase the time that the finished product remains in the furnace body of the expansion furnace, thereby improving the completeness of the finished product and improving the use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a main structural schematic diagram of the utility model;

[0017] Figure 2 It is a side cross-sectional structural schematic diagram of the utility model;

[0018] Figure 3 It is a front view structural schematic diagram of the utility model;

[0019] Figure 4 This utility model Figure 3 A schematic diagram of the local enlarged structure at point A in the middle;

[0020] Figure 5 This is a schematic diagram of the structure of the second air supply pipe of the utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the first air supply pipe of the utility model;

[0022] Description of reference numerals:

[0023] 1. Expansion furnace body; 2. Circular feeding mechanism; 3. Annular tube; 4. First fixed rod; 5. First air supply pipe; 6. Second air supply pipe; 7. Stabilizing rod; 8. First air inlet pipe; 9. Fixed plate; 10. Second air inlet pipe; 11. Second fixed rod; 12. Feeding port; 13. Guide plate; 14. Air inlet hole; 15. Card strip; 16. Filter plate; 17. Temporary storage box; 18. Preheating chamber. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawings and the best embodiment. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the utility model.

[0025] In the description of the utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the utility model.

[0026] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "setting", and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, an indirect connection through an intermediate medium, or the internal connection of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] like Figure 1-6 As shown, the utility model provides a new expansion furnace for expanded perlite, including an expansion furnace body 1, a feed port 12 is opened on one side of the expansion furnace body 1, an annular tube 3 is fixedly connected to the top of the inner cavity of the expansion furnace body 1, and when the expansion furnace body 1 is cleaned, liquid can be injected into the annular tube 3 to flush the inner cavity wall of the expansion furnace body 1 around to clean it, a plurality of first fixed rods 4 are fixedly connected to the top of the inner cavity of the expansion furnace body 1, and the first fixed rods 4 can reduce the moving speed of the raw materials moving upward, provide time for retaining the inside of the expansion furnace body 1, so that the thermal effect is more complete, and a first gas supply pipe 5 and a second gas supply pipe 6 are arranged at the bottom of the inner cavity of the expansion furnace body 1 to facilitate the supply of gas and oxygen for combustion.

[0028] A plurality of second fixing rods 11 are arranged on the top of the first air supply pipe 5, a temporary storage box 17 is fixedly connected to one side of the expansion furnace body 1 near the feed port 12, a guide plate 13 is fixedly connected to the bottom of the inner cavity of the expansion furnace body 1 near the feed port 12, an air inlet 14 is provided on one side of the bottom of the guide plate 13, a preheating chamber 18 is provided in the middle of the temporary storage box 17, the second fixing rods 11 can reduce the falling rate of the added raw materials, and the gas is ejected through the second air supply pipe 6, which can further reduce the falling rate of the raw materials and increase the heating time, and the added raw materials can be temporarily stored through the temporary storage box 17, and the hot air entering the preheating chamber 18 through the air inlet 14 can preheat the raw materials inside the temporary storage box 17, thereby improving the thermal efficiency and thus improving the production effect, and the filter plate 16 is used to prevent the raw materials from entering the air inlet 14 and affecting the preheating effect.

[0029] A filter plate 16 is disposed at the bottom of the guide plate 13 , and a clamping strip 15 is disposed on one side of the filter plate 16 . The filter plate 16 blocks the opening of the air inlet 14 for raw materials, and the clamping strip 15 limits the filter plate 16 .

[0030] like Figure 1-6 As shown, a circulating feeding mechanism 2 is provided on one side of the expansion furnace body 1, a guide plate is fixedly connected to the bottom of the inner cavity of the expansion furnace body 1, a plurality of small holes are opened at the bottom of the annular tube 3, and a water inlet pipe is connected to one side of the annular tube 3. The unformed raw materials that fall to the bottom can be sequentially re-input into the middle part of the expansion furnace body 1 for heating through the circulating feeding mechanism 2, thereby improving the working efficiency, and by injecting liquid into the inside of the annular tube 3, water can be sprayed through the bottom opening of the annular tube 3 to flush the inside of the expansion furnace body 1, thereby improving the use effect.

[0031] The number of the first fixing rods 4 and the second fixing rods 11 is the same, and the first fixing rods 4 and the second fixing rods 11 are both arranged in two layers, and the two layers of stabilizing rods 7 and the first fixing rods 4 are staggered with each other. The first fixing rods 4 and the second fixing rods 11 can increase the time that the raw materials are located between the flames, thereby improving the thermal efficiency, and the second air intake pipes 10 and the second fixing rods 11 can disperse the raw materials gathered together, thereby further improving the thermal efficiency.

[0032] The cross-sectional shape of the first air supply pipe 5 is set to an "S" shape, and the first air supply pipe 5 is set on the top of the second air supply pipe 6. The cross-sectional shape of the second air supply pipe 6 is set to an "S" shape. The first air supply pipe 5 and the second air supply pipe 6 can improve the uniformity of flame and gas, improve thermal efficiency and uniformity, and improve the use effect.

[0033] The first air supply pipe 5 is connected to a stabilizing rod 7 and a first air inlet pipe 8 on both sides respectively. One end of the stabilizing rod 7 is fixedly connected to one side of the inner cavity of the expansion furnace body 1. The first air supply pipe 5 can be supported by the stabilizing rod 7, and gas can be conveniently input through the first air inlet pipe 8.

[0034] The two ends of the second gas supply pipe 6 are respectively connected to a fixing plate 9 and a second air inlet pipe 10. One end of the fixing plate 9 is fixedly connected to one side of the inner cavity of the expansion furnace body 1. The second gas supply pipe 6 is supported by the fixing plate 9, and fuel gas is input into the second gas supply pipe 6 through the second air inlet pipe 10.

[0035] The air inlet 14 is connected with the preheating chamber 18, the filter plate 16 corresponds to the air inlet 14, and the cross-sectional shape of the card strip 15 is set to be "L"-shaped. The hot air inside the expansion furnace body 1 enters the preheating chamber 18 through the air inlet 14 to preheat the raw materials inside the temporary storage box 17, thereby improving the thermal effect, and the filter plate 16 is used to block and limit the raw materials from entering the interior, thereby improving the use effect.

[0036] Usage process: When in use, just pour the raw materials into the temporary storage box 17, inject oxygen into the second air supply pipe 6 through the second air inlet pipe 10, and inject fuel gas into the first air supply pipe 5 through the first air inlet pipe 8 and ignite it, so as to heat the raw materials entering the expansion furnace body 1, and increase the residence time of the raw materials through the first fixed rod 4 and the second fixed rod 11 to improve the heating effect. At the same time, the hot air will enter the preheating chamber 18 through the air inlet hole 14 to preheat the raw materials entering the temporary storage box 17, thereby improving the heating efficiency. At the same time, the gas input by the second air supply pipe 6 is blown upward, which can further increase the time that the raw materials stay in the middle of the flame and improve the heating efficiency.

[0037] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A new expansion furnace for processing expanded perlite, characterized in that: The invention comprises an expansion furnace body (1), a feed port (12) is provided on one side of the expansion furnace body (1), an annular tube (3) is fixedly connected to the top of the inner cavity of the expansion furnace body (1), a plurality of first fixing rods (4) are fixedly connected to the top of the inner cavity of the expansion furnace body (1), and a first air supply pipe (5) and a second air supply pipe (6) are provided at the bottom of the inner cavity of the expansion furnace body (1); A plurality of second fixing rods (11) are arranged on the top of the first air supply pipe (5); a temporary storage box (17) is fixedly connected to a side of the expansion furnace body (1) close to the feed inlet (12); a guide plate (13) is fixedly connected to the bottom of a side of the inner cavity of the expansion furnace body (1) close to the feed inlet (12); an air inlet hole (14) is provided on one side of the bottom of the guide plate (13); and a preheating chamber (18) is provided in the middle of the temporary storage box (17); A filter plate (16) is provided at the bottom of the guide plate (13), and a clamping strip (15) is provided on one side of the filter plate (16).

2. A novel expansion furnace for processing expanded pearlite according to claim 1, characterized in that: A circulating feeding mechanism (2) is provided on one side of the expansion furnace body (1), a guide plate is fixedly connected to the bottom of the inner cavity of the expansion furnace body (1), a plurality of small holes are opened at the bottom of the annular tube (3), and a water inlet pipe is connected to one side of the annular tube (3).

3. A novel expansion furnace for processing expanded pearlite according to claim 2, characterized in that: The number of the first fixing rods (4) and the number of the second fixing rods (11) are the same; the first fixing rods (4) and the second fixing rods (11) are both arranged in two layers; the two layers of stabilizing rods (7) and the first fixing rods (4) are mutually staggered.

4. A novel expansion furnace for processing expanded pearlite according to claim 3, characterized in that: The cross-sectional shape of the first air supply pipe (5) is set to be an "S" shape, the first air supply pipe (5) is arranged on the top of the second air supply pipe (6), and the cross-sectional shape of the second air supply pipe (6) is set to be an "S" shape.

5. A novel expansion furnace for processing expanded pearlite according to claim 1, characterized in that: The first air supply pipe (5) is connected to a stabilizing rod (7) and a first air inlet pipe (8) on both sides thereof, and one end of the stabilizing rod (7) is fixedly connected to one side of the inner cavity of the expansion furnace body (1).

6. A novel expansion furnace for processing expanded pearlite according to claim 5, characterized in that: The two ends of the second air supply pipe (6) are respectively connected to a fixing plate (9) and a second air inlet pipe (10), and one end of the fixing plate (9) is fixedly connected to one side of the inner cavity of the expansion furnace body (1).

7. A novel expansion furnace for processing expanded pearlite according to claim 6, characterized in that: The air inlet hole (14) is in communication with the preheating chamber (18), the filter plate (16) corresponds to the air inlet hole (14), and the cross-sectional shape of the clamping strip (15) is set to be "L"-shaped.

Images