A new type of suspended leaching tower

Abstract

The invention discloses a novel suspended leaching tower, which comprises an inner tube, a top flange is arranged on the upper part of the inner tube, a cover plate is installed on the top flange, a top sealing gasket is arranged between the top flange and the cover plate, a feed port is arranged on the central hole of the cover plate, a head is arranged on the lower part of the inner tube, a discharge port is arranged on the head, an exhaust port is arranged on the upper side wall of the inner tube, an air inlet is arranged on the lower side wall of the inner tube, an air inlet assembly is installed on the air inlet, and a circulating cooling system is arranged on the outer wall of the inner tube. The invention can effectively avoid the current leaching tower requiring an external stirring device to mix materials, which inevitably increases the complexity of the metallurgical equipment structure, and at the same time, the stirring material reaction cannot be fully closed, gas overflows, is not conducive to environmental protection, has low production efficiency, backward performance, and is difficult to repair and maintain.

Description

Technical Field

[0001] The invention relates to the technical field of leaching towers, in particular to a novel suspended leaching tower. Background Art

[0002] The leaching tower in the hydrometallurgical reaction process often needs to be stirred to mix the materials, and the stirring function requires the configuration of a corresponding stirring device, which will inevitably increase the complexity of the metallurgical equipment structure. At the same time, since the stirring material reaction cannot be fully closed, gas overflow is inevitable, which is not conducive to environmental protection. In addition, traditional metallurgical equipment with stirring devices has low production efficiency, backward performance, and difficult maintenance. Summary of the invention

[0003] In view of the above technical problems, the present invention provides a novel suspended leaching tower, which can avoid the need for an external stirring device to mix materials in the current leaching tower, which will inevitably increase the structural complexity of the metallurgical equipment. At the same time, the stirring material reaction cannot be carried out in a fully closed manner, and gas overflows, which is not conducive to environmental protection, has low production efficiency, backward performance, and is difficult to overhaul and maintain.

[0004] In order to achieve the above object, the technical solution of the present invention is as follows:

[0005] A novel suspended leaching tower comprises an inner tube, a top flange is arranged on the upper part of the inner tube, a cover plate is installed on the top flange, a top sealing gasket is arranged between the top flange and the cover plate, a feed port is arranged on the center hole of the cover plate, a head is arranged on the lower part of the inner tube, a discharge port is arranged on the head, an exhaust port is arranged on the upper side wall of the inner tube, an air inlet is arranged on the lower side wall of the inner tube, an air inlet assembly is installed on the air inlet, and a circulating cooling system is arranged on the outer wall of the inner tube.

[0006] The air intake assembly includes a first flange, a second flange and a vent pipe, one end of the second flange is connected to the first flange through a pipe, the other end of the second flange is provided with a vent pipe, the end of the vent pipe is provided with an air outlet, the vent pipe is inserted into the inner tube through the air inlet, and the second flange and the connecting flange on the air inlet are fixedly connected to each other by a sealing gasket and bolts.

[0007] The array of air outlet holes at the end of the ventilation pipe is distributed on the lower wall of the ventilation pipe, and the center angle between two adjacent air outlet holes is 30 degrees.

[0008] The circulating cooling system includes a jacketed pipe, which is arranged outside the inner pipe. There is a gap between the jacketed pipe and the inner pipe. A cooling water inlet, a circulating liquid inlet, a circulating liquid outlet, a pressure measuring port, a temperature measuring port, and a cooling water outlet are arranged on the outer wall of the jacketed pipe. The cooling water inlet is connected to a water supply device, the cooling water outlet is connected to a drainage device, the circulating liquid inlet and the circulating liquid outlet are connected to a circulating heat dissipation device, a pressure measuring instrument is arranged on the pressure measuring port, and a thermometer is arranged on the temperature measuring port.

[0009] The upper part of the jacket pipe is fixedly mounted on the inner pipe through a support plate, and the support plate is fixedly mounted on the bracket.

[0010] The upper part of the support plate is evenly distributed with stiffeners, and the upper part of the stiffeners is fixedly provided with an upper plate.

[0011] The beneficial effects of the present invention are as follows: the present invention arranges a top flange on the upper part of the inner tube, and a cover plate is installed on the top flange. When performing maintenance and repair, the top flange and the cover plate can be disassembled to see the inside of the inner tube. In order to improve the sealing performance of the inner tube, a top sealing gasket is arranged between the top flange and the cover plate. A feed port is arranged on the central hole of the cover plate, and the material enters the inner tube through the feed port for reaction. A discharge port is arranged at the lower part of the inner tube to realize discharge. An exhaust port is arranged on the upper side wall of the inner tube, and an air inlet is arranged on the lower side wall to provide gas to the inside of the inner tube, so that the material can tumble up and down in the inner tube to realize the stirring of the material. The air inlet The air intake assembly is installed on the inner tube to directly transport the gas transported by the gas transmission equipment into the inner tube, which improves the gas utilization efficiency and avoids gas leakage, which affects the reaction effect of the materials. In order to prevent the heat generated by the reaction from being unable to be discharged and affecting the reaction rate, a circulating cooling system is arranged on the outer wall of the inner tube. The circulating cooling system exchanges heat with the inner tube to take away the heat. The air intake assembly includes a first flange, a second flange and a vent pipe. The vent pipe is directly inserted into the inner tube and is provided with an air outlet. The gas transported by the gas supply equipment is directly transported into the inner tube. The first flange can be connected to the gas supply equipment, and the second flange can It is connected to the air inlet. In order to prevent air leakage, the second flange and the connecting flange on the air inlet are fixedly connected to each other by sealing gaskets and bolts. In order to prevent the material from clogging the air outlet holes on the vent pipe, the air outlet hole array at the end of the vent pipe is distributed on the lower side of the vent pipe. In order to make the injection angle of the incident gas fully cover the cross-section of the inner pipe and achieve the maximum injection effect, the center angle between two adjacent air outlet holes is 30 degrees. The circulating cooling system includes a jacketed pipe, which is arranged outside the inner pipe. There is a gap between the jacketed pipe and the inner pipe. The cooling water can exchange heat with the inner pipe in the gap. The outer wall of the jacketed pipe is provided with an inlet cooling Water inlet, circulating liquid inlet, circulating liquid outlet, pressure measuring port, temperature measuring port, cooling water outlet, cold water is added to the jacket pipe through the cooling water inlet, and when the equipment is not in use, the cold water is led out through the cooling water outlet, the circulating liquid inlet and the circulating liquid outlet are connected to the circulating heat dissipation equipment, and the heat energy obtained by the cold water can be taken away, and the pressure and water temperature inside the jacket pipe can be detected by the pressure measuring port and the temperature measuring port, in order to be able to suspend the inner tube, the upper part of the jacket pipe is fixedly installed on the inner tube through a support plate, and the support plate is fixedly installed on the bracket, in order to make the suspension more stable and firm, the upper part of the support plate is evenly distributed with stiffeners, and the upper part of the stiffener is fixedly set with an upper plate. The present invention can realize the turning of materials in the tower without a stirring device, simplifies the equipment structure, can realize self-circulation, is conducive to improving the metal salt leaching efficiency, and performs material reaction in a closed tower, with good working conditions and environmental friendliness; the structure is simple, and the equipment maintenance and cleaning are convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the present invention.

[0013] Figure 2 It is a top view of the cover.

[0014] Figure 3 It is a side view of the present invention.

[0015] Figure 4 yes Figure 1 Enlarged view of point A.

[0016] Figure 5 It is a structural diagram of the air intake assembly.

[0017] Figure 6 yes Figure 5 BB cross-sectional view. DETAILED DESCRIPTION

[0018] like Figure 1-Figure 6 As shown, a novel suspended leaching tower comprises an inner tube 1, a top flange 5 is arranged on the upper part of the inner tube 1, a cover plate 6 is installed on the top flange 5, a top sealing gasket 18 is arranged between the top flange 5 and the cover plate 6, a feed port 7 is arranged on the central hole of the cover plate 6, a head is arranged on the lower part of the inner tube 1, a discharge port 12 is arranged on the head, an exhaust port 4 is arranged on the upper side wall of the inner tube 1, an air inlet 11 is arranged on the lower side wall of the inner tube 1, an air inlet assembly is installed on the air inlet 11, a circulating cooling system is arranged on the outer wall of the inner tube 1, the air inlet assembly comprises a first flange 19, a second flange 20 and a vent pipe 21, one end of the second flange 20 is connected to the first flange 19 through a pipeline, a vent pipe 21 is arranged on the other end of the second flange 20, an air outlet is arranged at the end of the vent pipe 21, the vent pipe 21 is inserted into the inner tube 1 through the air inlet 11, and the second flange 20 and the connecting flange on the air inlet 11 are connected by a sealing gasket 23 and a screw. The bolts are fixedly connected to each other, and the air outlet array at the end of the vent pipe 21 is distributed on the lower side wall of the vent pipe 21. The center angle between two adjacent air outlets is 30 degrees. The circulating cooling system includes a jacket pipe 2, which is arranged outside the inner pipe 1. There is a gap between the jacket pipe 2 and the inner pipe 1. A cooling water inlet 10, a circulating liquid inlet 13, a circulating liquid outlet 14, a pressure measuring port 15, a temperature measuring port 16, and a cooling water outlet 17 are arranged on the outer wall of the jacket pipe 2. The cooling water inlet 10 is connected to the water supply equipment, the cooling water outlet 17 is connected to the drainage equipment, the circulating liquid inlet 13 and the circulating liquid outlet 14 are connected to the circulating heat dissipation equipment, a pressure measuring instrument is arranged on the pressure measuring port 15, and a thermometer is arranged on the temperature measuring port 16. The upper part of the jacket pipe 2 is fixedly installed on the inner pipe 1 through a support plate 3, and the support plate 3 is fixedly installed on the bracket 22. The upper part of the support plate 3 is evenly distributed with stiffeners 9, and the upper part of the stiffeners 9 is fixedly arranged with an upper plate 8.

[0019] When the present invention is in use, materials are first added from the feed port 7, and the air inlet 11 is opened for ventilation. The gas is sprayed downward at an angle through the hole of the ventilation pipe 21, and the material begins to tumble up and down to react. At the same time, cold water is introduced into the jacket tube 2 through the cooling water inlet 10, and the heat in the inner tube 1 is continuously heat-exchanged with the cold water. Since the cold water is connected to the circulating heat dissipation device through the circulating liquid inlet 13 and the circulating liquid outlet 14, the temperature obtained by the cold water in the jacket tube 2 due to the heat exchange can be taken away by the circulating heat dissipation device. After the reaction is completed, the discharge port 12 is opened to discharge the material, and one operation cycle is completed. Since the entire equipment is closed, there is no material overflow.

Claims

1. A new type of suspended leaching tower, characterized in that: The invention comprises an inner tube (1), a top flange (5) is arranged on the upper part of the inner tube (1), a cover plate (6) is mounted on the top flange (5), a top sealing gasket (18) is arranged between the top flange (5) and the cover plate (6), a feed port (7) is arranged on the central hole of the cover plate (6), a sealing head is arranged on the lower part of the inner tube (1), a discharge port (12) is arranged on the sealing head, an exhaust port (4) is arranged on the upper side wall of the inner tube (1), an air inlet (11) is arranged on the lower side wall of the inner tube (1), an air inlet assembly is mounted on the air inlet (11), and a circulating cooling system is arranged on the outer wall of the inner tube (1); The air intake assembly comprises a first flange (19), a second flange (20) and a vent pipe (21); one end of the second flange (20) is connected to the first flange (19) via a pipeline; the other end of the second flange (20) is provided with a vent pipe (21); a terminal end of the vent pipe (21) is provided with an air outlet; the vent pipe (21) is inserted into the interior of the inner tube (1) through the air intake port (11); the second flange (20) and the connecting flange on the air intake port (11) are fixedly connected to each other via a sealing gasket (23) and bolts; The circulating cooling system comprises a jacketed pipe (2), wherein the jacketed pipe (2) is arranged outside the inner pipe (1), and a gap exists between the jacketed pipe (2) and the inner pipe (1). The outer wall of the jacketed pipe (2) is provided with a cooling water inlet (10), a circulating liquid inlet (13), a circulating liquid outlet (14), a pressure measuring port (15), a temperature measuring port (16), and a cooling water outlet (17). The cooling water inlet (10) is connected to a water supply device, the cooling water outlet (17) is connected to a drainage device, the circulating liquid inlet (13) and the circulating liquid outlet (14) are connected to a circulating heat dissipation device, a pressure measuring instrument is provided on the pressure measuring port (15), and a thermometer is provided on the temperature measuring port (16).

2. A novel suspended leaching tower according to claim 1, characterized in that: The array of air outlet holes at the end of the ventilation pipe (21) is distributed on the lower wall of the ventilation pipe (21), and the center angle between two adjacent air outlet holes is 30 degrees.

3. A novel suspended leaching tower according to claim 1, characterized in that: The upper portion of the jacket tube (2) is fixedly mounted on the inner tube (1) via a support plate (3), and the support plate (3) is fixedly mounted on a bracket (22).

4. A novel suspended leaching tower according to claim 3, characterized in that: The upper part of the support plate (3) is evenly distributed with stiffeners (9), and the upper part of the stiffeners (9) is fixedly provided with an upper plate (8).

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