Flue gas purification equipment for firing refractory material

Abstract

The utility model provides flue gas purification equipment for firing refractory materials, which comprises a purification tank, a gas inlet pipe, a heat exchange pipe, a gas guide pipe, an exhaust pipe, a water inlet pipe, a water outlet pipe and a stirring module, supporting legs are arranged at the bottom of the purification tank, and the inside of the purification tank is divided into a waste heat recovery cavity and a purification cavity through a conical barrel-shaped material guide barrel arranged on the inner side wall of the middle of the purification tank. A discharging auxiliary module located at the upper end of the interior of the purification cavity is arranged in the purification tank, a first control valve is arranged on the water outlet pipe, and a second control valve is arranged on the discharging pipe. The supporting legs are fixedly welded with the purification tank. According to the flue gas purification equipment for firing the refractory material, disclosed by the utility model, the basic requirements of waste heat utilization and purification treatment on high-temperature dust-containing flue gas can be met, and dirt adhered to the inner wall of the purification structure can be cleaned, so that the use requirements of people can be better met.

Description

Technical Field

[0001] The utility model belongs to the technical field of refractory material processing, and particularly relates to a fume purification device for refractory material firing. Background Art

[0002] During the firing process of refractory materials, a large amount of high-temperature dusty flue gas will be generated. In order to avoid the waste of waste heat, people will use a purification device to first perform heat exchange treatment on the high-temperature dusty flue gas and then purify the flue gas. Although the existing flue gas purification equipment for refractory firing can meet the basic needs of heat exchange and purification of flue gas, there is often no stirring structure inside the purification structure, which will cause some dirt to adhere to the inside of the purification structure and be difficult to clean, which will bring great inconvenience to people's use.

[0003] For example, the utility model with announcement number CN 218834026 U discloses an exhaust gas treatment equipment for refractory material production. In the technical solution of this patent, the bottom of the sedimentation chamber is a horizontal structure, and the sewage in the sedimentation chamber is cleaned by a drain pipe arranged at the side end of the bottom of the sedimentation chamber. However, since there is no stirring structure, some dirt will adhere to the inner wall of the sedimentation chamber and is difficult to be effectively cleaned, which brings great inconvenience to people's use. Utility Model Content

[0004] In view of this, the utility model aims at the deficiencies of the prior art and provides a flue gas purification equipment for refractory material firing, which can not only meet the basic needs of waste heat utilization and purification of high-temperature dust-containing flue gas, but also clean the dirt adhered to the inner wall of the purification structure, so as to better meet people's usage needs.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: a fume purification device for refractory material firing, including a purification tank, a support leg is arranged at the bottom of the purification tank, the interior of the purification tank is divided into a waste heat recovery chamber and a purification chamber by a conical cylindrical material guide cylinder arranged on the inner side wall of the middle part, an air intake pipe connected to the waste heat recovery chamber is arranged at the bottom of the purification tank, a spiral heat exchange pipe located inside the waste heat recovery chamber is arranged at the inner end of the air intake pipe, an air guide pipe passing through the side wall of the purification tank and extending to the top of the material guide cylinder is arranged on the top of the heat exchange pipe, and the purification tank The top of the tank is provided with an exhaust pipe, the side end of the water purification tank is provided with a water inlet pipe, the bottom of the purification tank is provided with a water outlet pipe, the bottom of the guide cylinder is provided with a stirring module for stirring the water in the waste heat recovery chamber, the top of the purification tank is provided with a feed pipe, the lower end of the feed pipe is provided with an atomizing spray head, a pump body is also provided on the feed pipe, and a discharge pipe extending to the outside of the purification tank is also provided at the bottom of the guide cylinder. The purification tank is provided with a discharge auxiliary module located at the upper end of the purification chamber, the water outlet pipe is provided with a first control valve, and the discharge pipe is provided with a second control valve. The support leg is welded and fixed to the purification tank.

[0006] As a further improvement of the utility model, the stirring module includes multiple mounting seats arranged at the bottom of the material guide barrel, the bottoms of the multiple mounting seats are respectively vertically provided with first telescopic push rods, the lower ends of the output shafts of the multiple first telescopic push rods are respectively provided with vertical rods, and the multiple vertical rods are commonly provided with multiple stirring circles located on the outside of the heat exchange tube.

[0007] As a further improvement of the utility model, the discharge auxiliary module includes a mounting plate arranged on the inner side wall of the purification tank and located below the upper end of the air inlet pipe, a stirring motor is arranged at the bottom of the mounting plate, a stirring shaft is arranged at the lower end of the output shaft of the stirring motor, and a stirring blade adapted to the material guide barrel is arranged at the side end of the stirring shaft.

[0008] As a further improvement of the utility model, a scraper plate adapted to the material guide cylinder and the inner side wall of the purification tank is also provided at the side end of the stirring blade.

[0009] As a further improvement of the utility model, an extension plate is further provided at the side end of the support leg, and an anchor bolt for fixing to the ground is further provided on the extension plate. The extension plate is fixed to the support leg by welding.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] Firstly, when the waste heat in the flue gas is recovered through the heat exchange tube, the output shaft of the telescopic push rod can be extended and retracted, so that the multiple vertical rods and stirring circles can be moved vertically, and the water in the waste heat recovery chamber can be stirred to keep the temperature of the water balanced, thereby fully returning the waste heat absorption and recovery capacity of the water body, and avoiding the low temperature of the water body far away from the recovery pipe, which affects the full utilization of the waste heat recovery capacity in the flue gas.

[0012] Secondly, the stirring motor can be used to rotate the stirring shaft and the stirring blades to stir the sewage in the purification chamber, so that the sewage can leave the purification chamber along with some of the dirt.

[0013] Thirdly, the scraper plate can scrape and clean the dirt adhering to the inner wall of the guide tube and the purification tank, so that it can be discharged along with the sewage.

[0014] Fourthly, the extension plate and the anchor bolts can effectively prevent the device from easily shifting and tipping over during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0016] Figure 1 It is a schematic diagram of the structure 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 structural schematic diagram of the material guide cylinder, air inlet pipe, heat exchange pipe, air guide pipe, feed pipe, atomizing spray head, pump body, stirring module, and discharge auxiliary module of the utility model;

[0019] Figure 4 It is a schematic structural diagram of the feed pipe, atomizing spray head and pump body of the utility model.

[0020] In the figure: 101, purification tank; 102, supporting leg; 103, material guide cylinder; 104, waste heat recovery chamber; 105, purification chamber; 106, air inlet pipe; 107, heat exchange pipe; 108, air guide pipe; 109, exhaust pipe; 110, water inlet pipe; 111, feed pipe; 112, atomizing spray head; 113, pump body; 114, discharge pipe; 115, first control valve; 116, second control valve; 117, extension plate; 118, anchor bolt; 119, water outlet pipe; 201, mounting seat; 202, first telescopic push rod; 203, vertical rod; 204, stirring circle; 301, mounting plate; 302, stirring motor; 303, stirring shaft; 304, stirring blade; 305, scraper plate. DETAILED DESCRIPTION

[0021] In order to better understand the present invention, the content of the present invention is further clearly described below in conjunction with the embodiments, but the protection content of the present invention is not limited to the following embodiments. In the following description, a large number of specific details are given in order to provide a more thorough understanding of the present invention. However, it is obvious to those skilled in the art that the present invention can be implemented without one or more of these details.

[0022] like Figure 1 , 2 As shown in Figures 3 and 4, a flue gas purification device for firing refractory materials comprises a purification tank 101, a supporting leg 102 is arranged at the bottom of the purification tank 101, the interior of the purification tank 101 is divided into a waste heat recovery chamber 104 and a purification chamber 105 by a conical material guide cylinder 103 arranged on the inner side wall of the middle part, an air intake pipe 106 connected to the waste heat recovery chamber 104 is arranged at the bottom of the purification tank 101, a spiral heat exchange pipe 107 located inside the waste heat recovery chamber 104 is arranged at the inner end of the air intake pipe 106, an air guide pipe 108 passing through the side wall of the purification tank 101 and extending to the top of the material guide cylinder 103 is arranged at the top of the purification tank 101, and an exhaust pipe 109 is arranged at the top of the purification tank 101. The side end of the clean water tank is provided with a water inlet pipe 110, the bottom of the purification tank 101 is provided with a water outlet pipe 119, the bottom of the guide cylinder 103 is provided with a stirring module for stirring the water in the waste heat recovery chamber 104, the top of the purification tank 101 is provided with a feed pipe 111, the lower end of the feed pipe 111 is provided with an atomizing spray head 112, the feed pipe 111 is also provided with a pump body 113, the bottom of the guide cylinder 103 is also provided with a discharge pipe 114 extending to the outside of the purification tank 101, the inside of the purification tank 101 is provided with a discharge auxiliary module located at the upper end of the purification chamber 105, the outlet pipe 119 is provided with a first control valve 115, and the discharge pipe 114 is provided with a second control valve 116. The support leg 102 is welded and fixed to the purification tank 101.

[0023] like Figure 3 As shown, the stirring module includes a plurality of mounting seats 201 arranged at the bottom of the material guide cylinder 103, the bottoms of the plurality of mounting seats 201 are respectively vertically provided with first telescopic push rods 202, the lower ends of the output shafts of the plurality of first telescopic push rods 202 are respectively provided with vertical rods 203, and the plurality of vertical rods 203 are commonly provided with a plurality of stirring circles 204 located on the outside of the heat exchange tube 107.

[0024] like Figure 3As shown, the discharge auxiliary module includes a mounting plate 301 arranged on the inner wall of the purification tank 101 and located below the upper end of the air inlet pipe 106, a stirring motor 302 is arranged at the bottom of the mounting plate 301, a stirring shaft 303 is arranged at the lower end of the output shaft of the stirring motor 302, and a stirring blade 304 adapted to the material guide barrel 103 is arranged at the side end of the stirring shaft 303.

[0025] The user can add a sufficient amount of normal temperature water to the waste heat recovery chamber 104 through the water inlet pipe 110, and make the water level lower than the fixed end of the telescopic push rod, and then supply water to the atomizing spray head 112 through the feed pipe 111, so that it can spray multiple streams of atomized water and prepare for the purification of smoke dust; then the high-temperature dusty flue gas can be introduced into the air inlet pipe 106, and the flue gas will enter the heat exchange tube 107 and be transported to the purification chamber 105 through the air guide pipe 108; during the flow of the flue gas in the heat exchange tube 107, the heat contained in the flue gas will be absorbed and utilized by the normal temperature water, so that the normal temperature water is heated; at the same time, the output shaft of the telescopic push rod can be extended and retracted, so that the multiple vertical rods 203 and the stirring circle 204 can be moved vertically, and the water body in the waste heat recovery chamber 104 can be stirred, so that the temperature of the water body is kept balanced, thereby fully returning the waste heat absorption and recovery capacity of the water body, and avoiding that the temperature of the water body far away from the recovery pipe is low and affects the full play of the recovery capacity of the waste heat in the flue gas.

[0026] After a period of time, when the water in the waste heat recovery chamber 104 has absorbed sufficient heat, the first control valve 115 can be opened to discharge the water in the waste heat recovery chamber 104 through the water outlet pipe 119, and then a sufficient amount of new water at room temperature can be added to the waste heat recovery chamber 104 through the water inlet pipe 110.

[0027] After a period of time, when enough dirt and sewage are collected in the guide cylinder 103 , the introduction of flue gas into the air inlet pipe 106 can be stopped, and then the second control valve 116 can be opened to allow the sewage and dirt to leave the guide cylinder 103 through the discharge pipe 114 .

[0028] The flue gas released into the purification chamber 105 through the air guide pipe 108 will be flushed and settled by multiple streams of atomized water, so that the smoke dust in the flue gas combines with water to form sediment, which settles into the inside of the guide barrel 103. The dust-removed flue gas will continue to rise in the purification chamber 105 and leave the purification tank 101 through the air outlet pipe.

[0029] The stirring motor 302 can be used to rotate the stirring shaft 303 and the stirring blade 304 to stir the sewage in the purification chamber 105 so that the sewage can leave the purification chamber 105 along with some of the dirt.

[0030] According to another embodiment of the present invention, Figure 3As shown, the side end of the stirring blade 304 is also provided with a scraper plate 305 adapted to the inner wall of the guide barrel 103 and the purification tank 101. The stirring blade 304 can drive the scraper plate 305 to rotate and scrape and clean the dirt adhering to the inner wall of the guide barrel 103 and the purification tank 101, so that it is discharged along with the sewage.

[0031] According to another embodiment of the present invention, Figure 1 As shown, an extension plate 117 is also provided at the side end of the support leg 102, and an anchor bolt 118 for fixing to the ground is also provided on the extension plate 117. The extension plate 117 is welded and fixed to the support leg 102. The anchor bolt 118 can pass through the extension plate 117 and connect to the ground, thereby preventing the device from easily deflecting and tipping over during operation.

[0032] The above are preferred implementations of the present utility model. 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 utility model. These improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A flue gas purification device for firing refractory materials, comprising a purification tank (101), wherein a support leg (102) is provided at the bottom of the purification tank (101), the interior of the purification tank (101) is divided into a waste heat recovery chamber (104) and a purification chamber (105) by a conical cylindrical material guide cylinder (103) provided on the inner side wall of the middle portion, an air intake pipe (106) connected to the waste heat recovery chamber (104) is provided at the bottom of the purification tank (101), and a spiral heat exchange pipe (107) located inside the waste heat recovery chamber (104) is provided at the inner end of the air intake pipe (106), wherein the spiral heat exchange pipe (107) is located inside the waste heat recovery chamber (104), and the device is characterized in that: The top of the heat exchange pipe (107) is provided with an air guide pipe (108) that passes through the side wall of the purification tank (101) and extends to the top of the guide cylinder (103); the top of the purification tank (101) is provided with an exhaust pipe (109); the side end of the clean water tank is provided with a water inlet pipe (110); the bottom of the purification tank (101) is provided with a water outlet pipe (119); the bottom of the guide cylinder (103) is provided with a stirring module for stirring the water in the waste heat recovery chamber (104); the top of the purification tank (101) is provided with a A feed pipe (111) is provided, an atomizing spray head (112) is provided at the lower end of the feed pipe (111), a pump body (113) is also provided on the feed pipe (111), a discharge pipe (114) extending to the outside of the purification tank (101) is also provided at the bottom of the material guide cylinder (103), a discharge auxiliary module located at the upper end of the purification chamber (105) is provided inside the purification tank (101), a first control valve (115) is provided on the water outlet pipe (119), and a second control valve (116) is provided on the discharge pipe (114).

2. The refractory material firing flue gas purification equipment according to claim 1, characterized in that: The stirring module comprises a plurality of mounting seats (201) arranged at the bottom of the material guide cylinder (103), the bottoms of the plurality of mounting seats (201) are respectively vertically provided with first telescopic push rods (202), the lower ends of the output shafts of the plurality of first telescopic push rods (202) are respectively provided with vertical rods (203), and the plurality of vertical rods (203) are commonly provided with a plurality of stirring rings (204) located outside the heat exchange tube (107).

3. The refractory material firing flue gas purification equipment according to claim 2, characterized in that: The discharge auxiliary module comprises a mounting plate (301) arranged on the inner side wall of the purification tank (101) and located below the upper end of the air inlet pipe (106); a stirring motor (302) is arranged at the bottom of the mounting plate (301); a stirring shaft (303) is arranged at the lower end of the output shaft of the stirring motor (302); and a stirring blade (304) adapted to the material guide cylinder (103) is arranged at the side end of the stirring shaft (303).

4. The refractory material firing flue gas purification equipment according to claim 3, characterized in that: The side end of the stirring blade (304) is also provided with a scraper (305) adapted to the inner side wall of the material guide cylinder (103) and the purification tank (101).

5. The refractory material firing flue gas purification equipment according to claim 4, characterized in that: The side ends of the support legs (102) are further provided with extension plates (117), and the extension plates (117) are further provided with anchor bolts (118) for fixing to the ground.

6. The refractory material firing flue gas purification equipment according to claim 5, characterized in that: The extension plate (117) is fixed to the support leg (102) by welding.

7. The refractory material firing flue gas purification equipment according to claim 6, characterized in that: The support legs (102) are fixed to the purification tank (101) by welding.

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