Automatic cooling device of Slapple furnace

Abstract

The utility model discloses an automatic cooling device of a Slapple furnace, which comprises a cooling furnace body, a refrigeration box arranged on one side wall of the cooling furnace body, a gas dispersion structure and a spraying structure arranged in the refrigeration box, a material mixing mechanism arranged in the cooling furnace body, a feed port arranged at the top of the cooling furnace body, and a discharge port arranged at the bottom of the cooling furnace body. The feeding port and the discharging port are both provided with second valves, the feeding port is connected with a feeding pipe, the mixing mechanism comprises a double-cone tank, a transmission shaft, a driving motor, a speed reducer and a V-shaped pipe, and the transmission shaft is a hollow shaft gas dispersion structure and comprises a gas dispersion pipe, a gas conveying pipe, a second gas spray head and a gas rotating connector. The spraying structure comprises a spraying pipeline, a water supply pipeline, a connecting pipe and an atomizing nozzle, a filter screen is arranged below the atomizing nozzle, sponge is arranged on the filter screen, and air holes are fully distributed in the outer wall of the double-cone tank. The cooling device is high in cooling efficiency, good in cooling uniformity and high in refrigerant utilization rate.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling equipment for a slep furnace, in particular to an automatic cooling device for a slep furnace. Background Art

[0002] In the early 19th century, the reaction of producing activated carbon by activating with steam and carbon dioxide was discovered. The Slep furnace activation method is a method of producing activated carbon using steam. It is suitable for the production of various granular carbons, with stable activation process conditions, uniform product quality, good adsorption performance, and can produce various high- and medium-grade activated carbons. It has the characteristics of high quality, low cost, no need for external fuel, low energy consumption, and long furnace life, and is widely used in the field of activated carbon preparation.

[0003] At present, the activated carbon produced by the Slep activation furnace is in a high-temperature state in the activation furnace and needs to be further cooled before discharge. The existing cooling method is to install a copper water jacket in the activation furnace body to circulate cooling water, cool the inner cavity of the cooling section of the activation furnace body, and indirectly create a low-temperature environment in the cooling section of the furnace. The material enters the cooling section of the furnace and stays for a period of time to cool down. However, this method has low heat exchange efficiency between the cold air and the material, a long cooling time, low efficiency, high energy consumption, and low refrigerant utilization rate. Utility Model Content

[0004] The utility model provides an automatic cooling device for a slep furnace, which solves the problems of low heat exchange efficiency between activated carbon and refrigerant in the cooling section of a traditional slep furnace, slow cooling speed, uneven material cooling, high energy consumption and low refrigerant utilization.

[0005] The utility model provides an automatic cooling device for a Slep furnace, comprising a cooling furnace body, a refrigeration box is arranged on one side wall of the cooling furnace body, a gas dispersion structure and a spray structure are arranged in the refrigeration box, the gas dispersion structure is located above the spray structure, a mixing mechanism is arranged in the cooling furnace body, a feed inlet is arranged on the top of the cooling furnace body, a feed outlet is arranged on the bottom, a second valve is arranged on the feed inlet and the feed outlet, and the feed inlet is connected to a feed pipe.

[0006] Furthermore, the mixing mechanism includes a double-conical tank, a transmission shaft, a driving motor, a reducer, and a V-shaped tube. The transmission shaft is a hollow shaft, and the outer wall of the hollow shaft is covered with through holes. The transmission shaft is horizontally arranged in the cooling furnace body, and both ends of the transmission shaft are rotatably supported by bearing seats arranged on the two side walls of the cooling furnace body. The double-conical tank is coaxially arranged on the transmission shaft, and two horizontal V-shaped tubes are symmetrically arranged on the front and rear sides of the double-conical tank. A plurality of first jet ports are arranged at intervals along the length direction on the inner side wall of the V-shaped tube, and each first jet port is provided with a first gas nozzle. The jet direction of the first gas nozzle is arranged toward the outer wall of the double-conical tank, and the two V-shaped tubes are connected to one end of the gas connecting tube. The double cone tank is connected to the cooling furnace body, and the other end of the gas connecting pipe is sealed and connected to the outlet of the exhaust channel arranged on the side wall of the cooling furnace body. A demister is arranged at the air inlet of the exhaust channel. The inlet and outlet are arranged on the side wall of the double cone tank. The inlet and outlet are arranged. A first valve is arranged on the inlet and outlet. The first extending end of the transmission shaft extends through the side wall of the cooling furnace body to the outside of the cooling furnace body. A reducer is arranged on the outer wall of the cooling furnace body. The first extending end of the transmission shaft is connected to the output end of the reducer. A driving motor is arranged on the reducer. The output shaft of the driving motor is connected to the input end of the reducer. The second extending end of the transmission shaft extends through the side wall of the cooling furnace body into the refrigeration box and is connected to the gas dispersion structure.

[0007] Furthermore, the gas dispersion structure includes a gas dispersion pipe, a gas supply pipe, a second gas nozzle, and a gas rotating joint. The gas dispersion pipe is horizontally arranged on the top of the refrigeration box, one end of the gas dispersion pipe is connected to the upper end of the gas supply pipe, the lower end of the gas supply pipe is sealed and connected to the second extension end of the transmission shaft through a gas rotating joint, a first exhaust fan is arranged on the gas supply pipe, and a plurality of second jet ports are arranged at the bottom of the gas dispersion pipe, each second jet port is connected to a second gas nozzle, the second gas nozzle port faces downward, and a spray structure is arranged below the second gas nozzle.

[0008] Furthermore, the spray structure includes a spray pipe, a water supply pipe, a connecting pipe, and an atomizing nozzle. The spray pipe is horizontally arranged below the second gas nozzle. A connecting pipe is arranged in the middle of the spray pipe. One end of the connecting pipe is connected to the spray pipe, and the other end is connected to one end of the water supply pipe. The other end of the water supply pipe extends through the side wall of the refrigeration box to the outside and is connected to the water supply pipe joint. A plurality of water outlets are arranged along the length direction at the bottom of the spray pipe, and each water outlet is connected to an atomizing nozzle with the nozzle mouth facing downward. A drain outlet is arranged at the bottom of the refrigeration box, and the outer end of the drain outlet is connected to the drain pipe joint.

[0009] Furthermore, a filter screen is arranged below the atomizing nozzle, the filter screen is fixedly connected to the surrounding side walls of the refrigeration box, and a sponge is arranged on the filter screen.

[0010] Furthermore, the outer wall of the double-cone tank is covered with air holes.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. By conveying the cold air generated in the refrigeration box into the cooling furnace body, the cold air directly enters the double cone tank. During the rotation of the double cone tank, the materials are in a continuous mixing and stirring process. All surfaces of the materials are continuously in contact with the low-temperature air for cooling, which can achieve rapid cooling of the activated carbon with high cooling efficiency.

[0013] 2. The gas entering the double cone tank is discharged from the transmission shaft into the gas dispersion structure, and then sprayed and cooled through the spray structure, thereby realizing the recycling of cooling gas;

[0014] 3. The cold air is evenly sprayed from the first gas nozzle to the outer wall of the double-cone tank through the V-shaped tube, so that a low temperature environment is created inside the double-cone tank. The cold air evenly passes through the air holes on the side wall of the double-cone tank, and the material in the double-cone tank can be evenly cooled, and the material cooling uniformity is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the utility model, the following is a brief introduction to the drawings required for use in the implementation cases. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0016] Figure 1 This is a schematic diagram of the overall structure of an automatic cooling device for a Slep furnace proposed by the utility model;

[0017] Figure 2 This is a partial structural schematic diagram of an automatic cooling device for a Slep furnace proposed by the utility model;

[0018] Figure 3 This is a schematic diagram of a top view of a double-conical tank and a V-shaped tube of an automatic cooling device for a Slep furnace proposed by the utility model;

[0019] Figure 4 This is a schematic diagram of the transmission shaft structure of a Slep furnace automatic cooling device proposed by the utility model;

[0020] In the figure:

[0021] 1-cooling furnace body; 11-refrigeration box; 111-drain port; 112-drain pipe joint; 113-first maintenance operation port; 114-second maintenance operation port; 121-feed port; 122-discharge port; 123-second valve; 124-feed pipe; 131-exhaust channel; 132-first exhaust fan;

[0022] 2-mixing mechanism; 21-double cone tank; 22-transmission shaft; 23-driving motor; 24-reducer; 25-V-shaped tube; 210-first valve; 211-inlet and outlet; 212-air vent; 221-through hole; 251-first gas nozzle; 252-gas connecting pipe;

[0023] 3-gas dispersion structure; 31-gas dispersion pipe; 32-gas transmission pipe; 33-second gas nozzle; 34-gas rotary joint;

[0024] 4-spraying structure; 41-spraying pipe; 42-water supply pipe; 43-connecting pipe; 44-atomizing nozzle; 45-filter; 46-sponge;

[0025] 5- Defogger. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings.

[0027] Embodiment 1:

[0028] Please see attached Figure 1-4 A Slep furnace automatic cooling device includes a cooling furnace body 1, a refrigeration box 11 is arranged on one side wall of the cooling furnace body 1, a gas dispersion structure 3 and a spray structure 4 are arranged in the refrigeration box 11, the gas dispersion structure 3 is located above the spray structure 4, a mixing mechanism 2 is arranged in the cooling furnace body 1, a feed port 121 is arranged on the top of the cooling furnace body 1, and a discharge port 122 is arranged on the bottom, the feed port 121 and the discharge port 122 are both provided with a second valve 123, and the feed port 121 is connected to a feed pipe 124.

[0029] In the above embodiment, the refrigeration box 11 is used to generate cold air, and the cooling furnace body 1 is used to fully contact the cold air with the material for cooling. The cold air enters the double-conical tank 21. During the rotation of the double-conical tank 21, the material is in a continuous mixing and stirring process. All surfaces of the material are continuously in contact with the low-temperature air for cooling, which can achieve rapid cooling of the activated carbon with high cooling efficiency and good uniformity of the cooled material. The gas entering the double-conical tank 21 is discharged from the transmission shaft 22 to the gas dispersion structure 3, and then sprayed and cooled through the spray structure 4, thereby realizing the recycling of the cooling gas.

[0030] In the above embodiments, see the attached Figure 1 , 3The mixing mechanism 2 includes a double-conical tank 21, a transmission shaft 22, a driving motor 23, a reducer 24, and a V-shaped tube 25. The transmission shaft 22 is a hollow shaft, and the outer wall of the hollow shaft is covered with through holes 221. The transmission shaft 22 is horizontally arranged in the cooling furnace body 1. Both ends of the transmission shaft 22 are rotatably supported by bearing seats arranged on the two side walls of the cooling furnace body 1. The double-conical tank 21 is coaxially fixed on the transmission shaft 22. Both ends of the double-conical tank 21 are closed. Two horizontal V-shaped tubes 25 are symmetrically arranged on the front and rear sides of the double-conical tank 21. A plurality of first jet ports are arranged at intervals along the length direction on the inner wall of the V-shaped tube 25. Each first jet port is provided with a first gas nozzle 251. The jet direction of the first gas nozzle 251 is installed toward the outer wall of the double-conical tank 21, so that the cold air can accurately cool the double-conical tank 21 and the material. The two V-shaped tubes 25 are connected to one end of the gas connecting tube 252, and the other end of the gas connecting tube 252 is connected to the outer wall of the double-conical tank 21. The end is sealed and connected to the outlet of the exhaust channel 131 arranged on the side wall of the cooling furnace body 1, and a demister 5 is arranged at the air inlet of the exhaust channel 131. The demister 5 is an existing commercially available equipment, and its function is to intercept the liquid in the cooling gas. A first valve 210 is arranged on the inlet and outlet 211. The first valve 210 can be an electric valve or a manual valve. The manual valve is controlled to open and close by opening the inspection port. The first extension end of the transmission shaft 22 extends through the side wall of the cooling furnace body 1 to the outside of the cooling furnace body 1. A reducer 24 is arranged on the outer wall of the cooling furnace body 1. The first extension end of the transmission shaft 22 is connected to the output end of the reducer 24. A driving motor 23 is arranged on the reducer 24. The output shaft of the driving motor 23 is connected to the input end of the reducer 24. The second extension end of the transmission shaft 22 extends through the side wall of the cooling furnace body 1 to the refrigeration box 11 and is connected to the gas dispersion structure 3.

[0031] In the above embodiments, see the attached Figure 1 , 2 The gas dispersion structure 3 includes a gas dispersion pipe 31, a gas delivery pipe 32, a second gas nozzle 33, and a gas rotary joint 34. The gas dispersion pipe 31 is horizontally arranged on the top of the refrigeration box 11. One end of the gas dispersion pipe 31 is connected and communicated with the upper end of the gas delivery pipe 32. The lower end of the gas delivery pipe 32 is sealed and communicated with the second extension end of the transmission shaft 22 through the gas rotary joint 34. The outer wall of the gas delivery pipe 32 is fixedly connected to the inner wall of the refrigeration box 11. The first exhaust fan 132 is arranged on the gas delivery pipe 32. A plurality of second jet ports are arranged at the bottom of the gas dispersion pipe 31. Each second jet port is connected to a second gas nozzle 33. The second gas nozzle 33 faces downward. A spray structure 4 is arranged below the second gas nozzle 33. The gas is dispersed and sprayed by the plurality of second gas nozzles 33 through the gas dispersion structure 3, and heat exchange is performed with the low-temperature water sprayed by the spray structure 4. The heat exchange efficiency is high.

[0032] In the above embodiments, see the attached Figure 1 , 2The spray structure 4 includes a spray pipe 41, a water supply pipe 42, a connecting pipe 43, and an atomizing nozzle 44. The spray pipe 41 is horizontally arranged below the second gas nozzle 33. A connecting pipe 43 is arranged in the middle of the spray pipe 41. One end of the connecting pipe 43 is connected to the spray pipe 41, and the other end is connected to one end of the water supply pipe 42. The other end of the water supply pipe 42 passes through the side wall of the refrigeration box 11 and extends to the outside to be connected to the water supply pipe joint 421. A plurality of water outlets are arranged at the bottom of the spray pipe 41 along the length direction, and each water outlet is connected to an atomizing nozzle 44 with a nozzle opening facing downward. A drain outlet 111 is arranged at the bottom of the refrigeration box 11, and the outer end of the drain outlet 111 is connected to the drain pipe joint 112. The water supply pipe joint 421 is connected to the water supply tank and is pressurized by a booster pump.

[0033] In the above embodiments, see the attached Figure 1 , 2 A filter screen 45 is arranged below the atomizing nozzle 44, and the filter screen 45 is fixedly connected to the surrounding side walls of the refrigeration box 11. A sponge 46 is arranged on the filter screen 45 to filter impurities in the cooling gas and increase the contact time between the gas and the cooling water.

[0034] In the above embodiments, see the attached Figure 1 The outer wall of the double cone tank 21 is covered with air holes 212, and the shape of the air holes 212 can be circular, rectangular, or elliptical to increase the uniformity of air permeability.

[0035] In the above embodiments, see the attached Figure 1 A first maintenance operation port 113 and a second maintenance operation port 114 are respectively provided on the side wall of the cooling furnace body 1 , through which the components in the cooling furnace body 1 can be conveniently controlled and maintained.

[0036] In the above embodiment, the driving component of the second valve 123 is an electric push rod, which is located outside the furnace body and fixed on the outer wall of the furnace body to remotely drive the gate of the gate valve.

[0037] From the above technical solution, it can be seen that when using, please refer to the attached Figure 1-4First, the controller controls the driving motor 23 to drive the reducer 24 to drive the transmission shaft 22 to rotate, so that the inlet and outlet 211 of the double cone tank 21 rotates to below the discharge end of the feed pipe 123, and the second valve 123 on the discharge port 102 is opened. At the same time, the first valve 210 is opened, and the activated carbon particles enter the double cone tank 21 from the inlet and outlet 211 of the double cone tank 21 through the feed port 121 and the feed pipe 123. Then, the first valve 210 is closed, and the water is supplied to the water supply pipe joint 4 through the water supply tank. 21 water supply, high-pressure water is sprayed out from the atomizing nozzle 44 through the water supply pipe 42, the connecting pipe 43, and the spray pipe 41, and the air in the refrigeration box 11 is continuously sprayed to cool down. The cooled cold air is sucked into the exhaust channel 131 through the first exhaust fan 132, and then sprayed onto the outer wall of the double cone tank 21 through the first gas nozzle 251 of the V-shaped pipe 25, and then enters the double cone tank 21 through the air holes 212 on the outer wall of the double cone tank 21. At this time, the driving motor 23 is started to drive the reducer 24 The transmission shaft 22 is driven to rotate, so that the double cone tank 21 continuously rotates to mix the materials. The cold air entering the double cone tank 21 cools the materials evenly in the radial direction, and then enters the inner cavity of the transmission shaft 22 from the through hole 221 on the transmission shaft 22 after heat exchange with the mixed materials, and finally enters the air delivery pipe 32. The gas in the air delivery pipe 32 enters the gas dispersion pipe 31 and is sprayed from the second gas nozzle 33 to the top of the spray structure 4. Under the action of the first exhaust fan 132, the air after heat exchange moves downward to interact with the spray water. After heat exchange, it becomes low-temperature air, and the low-temperature air continues to enter the exhaust channel 131 to circulate and cool the material. When the material is cooled, the first exhaust fan 132 stops working, and the drive motor 23 is started to drive the reducer 24 to drive the transmission shaft 22 to rotate and drive the inlet and outlet 211 of the double-cone tank 21 to rotate above the discharge port 122, and then open the second valve 123 on the discharge port 122 to discharge the material from the discharge port 122. After the material is discharged, continue the above steps to add materials, mix and cool the double-cone tank 21.

[0038] Those skilled in the art will readily come up with other embodiments of the present invention after considering the specification and practicing the utility model disclosed herein. The present invention is intended to cover any variation, use or adaptation of the present invention, which follows the general principles of the present invention and includes common knowledge or customary technical means in the art that are not disclosed in the present invention. The specification and examples are to be regarded as exemplary only, and the true scope of the present invention is indicated by the claims.

[0039] It should be understood that the present invention is not limited to the precise structure described above and shown in the drawings, and various modifications and changes can be made without departing from its scope. The above-described embodiments of the present invention do not constitute a limitation on the scope of protection of the present invention.

Claims

1. An automatic cooling device for a slep furnace, characterized in that: The invention comprises a cooling furnace body (1), a refrigeration box (11) is arranged on one side wall of the cooling furnace body (1), a gas dispersion structure (3) and a spray structure (4) are arranged in the refrigeration box (11), the gas dispersion structure (3) is located above the spray structure (4), a mixing mechanism (2) is arranged in the cooling furnace body (1), a feed inlet (121) is arranged on the top of the cooling furnace body (1), and a discharge port (122) is arranged on the bottom, the feed inlet (121) and the discharge port (122) are both provided with a second valve (123), and the feed inlet (121) is connected to a feed pipe (124).

2. The automatic cooling device for a slep furnace according to claim 1, characterized in that: The mixing mechanism (2) comprises a double-conical tank (21), a transmission shaft (22), a driving motor (23), a speed reducer (24), and a V-shaped tube (25). The transmission shaft (22) is a hollow shaft, and the outer wall of the hollow shaft is covered with through holes (221). The transmission shaft (22) is horizontally arranged in the cooling furnace body (1). The two ends of the transmission shaft (22) are rotatably supported by bearing seats arranged on the two side walls of the cooling furnace body (1). The double-conical tank (21) is coaxially arranged on the transmission shaft (22). Two horizontal V-shaped tubes (25) are symmetrically arranged on the front and rear sides of the double-conical tank (21). A plurality of first jet ports are arranged at intervals along the length direction on the inner wall of the V-shaped tube (25). Each of the first jet ports is provided with a first gas nozzle (251). The jetting direction of the first gas nozzle (251) is arranged toward the outer wall of the double-conical tank (21). The two V-shaped tubes (25) are connected to one end of the gas connecting tube (252). The other end of the gas connecting pipe (252) is sealed and connected to the gas outlet of the exhaust channel (131) arranged on the side wall of the cooling furnace body (1); a demister (5) is arranged at the gas inlet of the exhaust channel (131); an inlet and outlet (211) is arranged on the side wall of the double-cone tank (21); a first valve (210) is arranged on the inlet and outlet (211); a first extension end of the transmission shaft (22) passes through the side wall of the cooling furnace body (1) and extends to the outside of the cooling furnace body (1); a reducer (24) is arranged on the outer wall of the cooling furnace body (1); the first extension end of the transmission shaft (22) is connected to the output end of the reducer (24); a driving motor (23) is arranged on the reducer (24); the output shaft of the driving motor (23) is connected to the input end of the reducer (24); and the second extension end of the transmission shaft (22) passes through the side wall of the cooling furnace body (1) and extends into the refrigeration box (11) to be connected to the gas dispersion structure (3).

3. The automatic cooling device for a slep furnace according to claim 2, characterized in that: The gas dispersion structure (3) comprises a gas dispersion pipe (31), a gas delivery pipe (32), a second gas nozzle (33), and a gas rotary joint (34). The gas dispersion pipe (31) is horizontally arranged on the top of the refrigeration box (11). One end of the gas dispersion pipe (31) is connected to the upper end of the gas delivery pipe (32). The lower end of the gas delivery pipe (32) is sealed and connected to the second extension end of the transmission shaft (22) via the gas rotary joint (34). A first exhaust fan (132) is arranged on the gas delivery pipe (32). A plurality of second jet ports are arranged at the bottom of the gas dispersion pipe (31). Each of the second jet ports is connected to a second gas nozzle (33). The second gas nozzle (33) faces downward. A spray structure (4) is arranged below the second gas nozzle (33).

4. The automatic cooling device for a slep furnace according to claim 3, characterized in that: The spray structure (4) comprises a spray pipe (41), a water supply pipe (42), a connecting pipe (43), and an atomizing nozzle (44). The spray pipe (41) is horizontally arranged below the second gas nozzle (33). A connecting pipe (43) is arranged in the middle of the spray pipe (41). One end of the connecting pipe (43) is connected to the spray pipe (41), and the other end is connected to one end of the water supply pipe (42). The other end of the water supply pipe (42) passes through the side wall of the refrigeration box (11) and extends to the outside to be connected to a water supply pipe joint (421). A plurality of water outlets are arranged at the bottom of the spray pipe (41) along the length direction. Each of the water outlets is connected to an atomizing nozzle (44) with the nozzle opening facing downward. A drain outlet (111) is arranged at the bottom of the refrigeration box (11). The outer end of the drain outlet (111) is connected to a drain pipe joint (112).

5. The automatic cooling device for a slep furnace according to claim 4, characterized in that: A filter screen (45) is arranged below the atomizing nozzle (44), and the filter screen (45) is fixedly connected to the surrounding side walls of the refrigeration box (11) on all sides, and a sponge (46) is arranged on the filter screen (45).

6. The automatic cooling device for a slep furnace according to claim 2, characterized in that: The outer wall of the double-cone tank (21) is covered with air holes (212).

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