Gold smelting flue gas purification and recovery device

Abstract

The utility model belongs to the technical field of waste gas treatment, and particularly relates to a gold smelting flue gas purification and recovery device which comprises a waste gas treatment box, a gas inlet pipe, a cooling fan and an air outlet, one end of the gas inlet pipe is connected with a connecting pipeline, a water outlet pipe is arranged at the top of the waste gas treatment box, and a plurality of nozzles are arranged on one side of the water outlet pipe. A flow guide table is arranged in the waste gas treatment box, a connecting cavity is formed in the flow guide table, and a drainage pipe is connected to one end of the connecting cavity; according to the device, waste gas generated by smelting can be subjected to dust falling and cooling treatment, dust, metal filings and the like in the waste gas can be collected, flue gas can be cooled through a spraying assembly composed of a water outlet pipe, a spray head and a pump body, the temperature of the discharged flue gas is reduced after the flue gas is filtered, and therefore heat pollution caused when the flue gas is discharged is avoided; and in addition, filtered impurities, metal chips and the like can be cleaned outside the treatment box, and normal work in the treatment box is not affected.

Description

Technical Field

[0001] The utility model belongs to the technical field of waste gas treatment, and in particular relates to a gold smelting fume purification and recovery device. Background Art

[0002] Gold is the single substance form of the chemical element gold. It is a soft, golden and corrosion-resistant precious metal. Gold is one of the rarer, more precious and highly valued metals. In the process of gold smelting, some special technologies and methods are generally used to extract gold from gold mines. In addition, a large amount of waste gas is often generated during gold smelting, so a flue gas treatment device is needed to treat the waste gas. There is a lot of heat in the waste gas generated by gold smelting. After these hot waste gases are directly discharged, they will cause warming of the environment. This kind of pollution that can cause adverse warming effects on the environment during energy consumption and conversion is called thermal pollution. Thermal pollution can cause abnormal climate, severe drought, and damage to the original ecological balance. Now the temperature of the flue gas is still high after treatment, which will cause certain thermal pollution. Utility Model Content

[0003] The utility model provides a gold smelting fume purification and recovery device, which can filter and collect dust and metal chips in the exhaust gas, avoid thermal pollution when discharging the fume, further reduce emission pollution, and can clean the filtered impurities, metal chips, etc. outside the processing box without affecting the normal operation inside the processing box.

[0004] The utility model provides the following technical scheme: a gold smelting fume purification and recovery device, comprising an exhaust gas treatment box and an air inlet pipe, a cooling fan, and an air outlet, one end of the air inlet pipe is connected to a connecting pipe, a water outlet pipe is arranged on the top of the exhaust gas treatment box, and a plurality of nozzles are arranged on one side of the water outlet pipe. A guide platform is arranged inside the exhaust gas treatment box, a connecting cavity is opened inside the guide platform, one end of the connecting cavity is connected to a drain pipe, and a plurality of cooling pipes are arranged at the bottom of the guide platform, one end of the cooling pipe is connected to the connecting cavity, an inner wall of one side of the exhaust gas treatment box is fixedly connected to a box body, a connecting shell is arranged on the top of the box body, and a guide pipe is arranged in the inner cavity of the box body, one end of the connecting pipe is connected to the connecting shell, a water tank is arranged on one side of the exhaust gas treatment box, one end of the guide pipe is connected to the inner cavity of the water tank, a filter plate is detachably connected to the inside of the water tank, an exhaust pipe is arranged on the top of the filter plate, and a sealing door is hinged on one side of the water tank.

[0005] Among them, several nozzles are evenly spaced on one side of the water outlet pipe, one end of the nozzle passes through the top of the exhaust gas treatment box and extends to the top of the connecting pipe, a pump body and a valve are arranged on the water outlet pipe, and one end of the water outlet pipe is connected to the water tank.

[0006] The top of the guide platform is designed to be stepped, and a plurality of through grooves are provided on the top of the guide platform, and one end of a plurality of cooling pipes are connected to the plurality of through grooves respectively.

[0007] Wherein, a sealing joint is fixedly connected to one side of the box body, the box body is connected to the guide platform through the sealing joint, and the sealing joint is sleeved on one end of the guide platform.

[0008] A through hole is provided on one side of the box body, and one end of the drainage pipe passes through the through hole and extends to the inner cavity of the box body.

[0009] The beneficial effects of the utility model are:

[0010] The present invention can carry out dust reduction and temperature reduction treatment on the waste gas generated by smelting, filter and collect the dust and metal chips in the waste gas, and can cool the flue gas through the spray assembly composed of the water outlet pipe, the nozzle and the pump body, so that after the flue gas is filtered, the temperature of the discharged flue gas is reduced, thereby avoiding thermal pollution when the flue gas is discharged, further reducing emission pollution, and can clean the filtered impurities, metal chips, etc. outside the treatment box without affecting the normal operation inside the treatment box.

[0011] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the internal structure of the exhaust gas treatment box in the utility model;

[0013] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0014] Figure 3 For this utility model Figure 2 Enlarged view of part A in the middle.

[0015] In the figure: 1. exhaust gas treatment box; 11. air inlet pipe; 12. connecting pipe; 13. water outlet pipe; 131. nozzle; 132. pump body; 14. cooling fan; 15. air outlet; 2. guide table; 21. connecting cavity; 211. drain pipe; 22. cooling pipe; 3. box body; 31. connecting shell; 32. guide pipe; 33. sealing joint; 34. through hole; 4. water tank; 41. filter plate; 42. exhaust pipe; 43. sealing door. DETAILED DESCRIPTION

[0016] See also Figure 1-Figure 3The utility model provides the following technical solutions: including an exhaust gas treatment box 1, an air inlet pipe 11, a cooling fan 14, and an air outlet 15. One end of the air inlet pipe 11 is connected to a connecting pipe 12. A water outlet pipe 13 is arranged on the top of the exhaust gas treatment box 1. A plurality of nozzles 131 are arranged on one side of the water outlet pipe 13. A guide platform 2 is arranged inside the exhaust gas treatment box 1. A connecting cavity 21 is opened inside the guide platform 2. One end of the connecting cavity 21 is connected to a drain pipe 211. A plurality of cooling pipes 22 are arranged at the bottom of the guide platform 2. One end of the cooling pipe 22 is connected to the connecting cavity 21, the inner wall of one side of the exhaust gas treatment box 1 is fixedly connected to the box body 3, a connecting shell 31 is provided at the top of the box body 3, and a guide pipe 32 is provided in the inner cavity of the box body 3, one end of the connecting pipe 12 is connected to the connecting shell 31, a water tank 4 is provided on one side of the exhaust gas treatment box 1, one end of the guide pipe 32 is connected to the inner cavity of the water tank 4, a filter plate 41 is detachably connected to the inside of the water tank 4, an exhaust pipe 42 is provided on the top of the filter plate 41, and a sealing door 43 is hinged on one side of the water tank 4.

[0017] In this embodiment: In this new type, the exhaust gas treatment box 1 is provided with an air inlet pipe 11, a cooling fan 14, and an air outlet 15 to form a main external frame for treating flue gas. One end of the air inlet pipe 11 is connected to a connecting pipe 12, and the connecting pipe 12 guides the exhaust gas to be discharged into the box body 3 connected to the connecting pipe 12. A water outlet pipe 13 is provided on the top of the exhaust gas treatment box 1, and a plurality of nozzles 131 are provided on one side of the water outlet pipe 13. The nozzle 131 cools the connecting pipe 12, thereby cooling the exhaust gas flowing inside the connecting pipe 12, so that the exhaust gas entering the box body 3 is relatively cool. The temperature of the exhaust gas is greatly reduced when it is discharged. A guide platform 2 is arranged inside the exhaust gas treatment box 1. A connecting cavity 21 is opened inside the guide platform 2. One end of the connecting cavity 21 is connected to a drain pipe 211, and a plurality of cooling pipes 22 are arranged at the bottom of the guide platform 2. One end of the cooling pipe 22 is connected to the connecting cavity 21. The guide platform 2 collects the cooling water with temperature left on the connecting pipe 12. Through a plurality of through grooves opened on the top of the guide platform 2, the cooling water with higher temperature enters the cooling pipe 22. When the water inside the cooling pipe 22 is full, it overflows from the other end to the inside of the connecting cavity 21 and is discharged through the drain pipe 211. The water pipe 211 flows into the interior of the box body 3 and merges with the exhaust gas discharged from one end of the connecting pipe 12 to perform dust reduction treatment on the exhaust gas. The cooling water mixed with the exhaust gas enters the interior of the guide pipe 32. After dust reduction, the metal chips and dust mixed with the coolant are filtered through the filter plate 41 at the top. The treated flue gas moves upward. At this time, the impurities in the flue gas are filtered and the temperature is greatly reduced. It is discharged through the exhaust pipe 42 to complete the filtration of the flue gas. The impurities and metal chips are collected on the top of the filter plate 41. The inner walls on both sides of the water tank 4 are provided with limit blocks for limiting the filter plate 41. Every section Time, open the sealing door 43, pull out the filter plate 41 for cleaning, so that the new type can reduce dust and cool the waste gas generated by smelting, filter and collect the dust and metal chips in the waste gas, and cool the flue gas through the spray assembly composed of the water outlet pipe 13, the nozzle 131 and the pump body 132, so that after the flue gas is filtered, the temperature of the discharged flue gas is reduced, thereby avoiding thermal pollution when discharging the flue gas, further reducing emission pollution, and the filtered impurities, metal chips, etc. can be cleaned outside the processing box without affecting the normal work inside the processing box.

[0018] A plurality of nozzles 131 are arranged at equal intervals on one side of the water outlet pipe 13, one end of the nozzle 131 passes through the top of the exhaust gas treatment box 1 and extends to the top of the connecting pipe 12, a pump body 132 and a valve are arranged on the water outlet pipe 13, and one end of the water outlet pipe 13 is connected to the water tank 4; the water outlet pipe 13, the nozzle 131 and the pump body 132 form a spray assembly to cool the connecting pipe 12 and the exhaust gas inside it, and the used coolant in the exhaust gas treatment box 1 is collected in the water tank 4 and then recycled.

[0019] The top of the guide platform 2 is set in a step shape, and a plurality of through grooves are opened on the top of the guide platform 2, and one end of a plurality of cooling pipes 22 is connected to the plurality of through grooves respectively; through the plurality of through grooves opened on the top of the guide platform 2, the cooling water with a higher temperature enters the interior of the cooling pipe 22, and when the water inside the cooling pipe 22 is full, it overflows from the other end to the interior of the connecting cavity 21, and flows into the interior of the box 3 through the drain pipe 211 to collect the used coolant.

[0020] A sealing joint 33 is fixedly connected to one side of the box body 3, and the box body 3 is connected to the guide platform 2 through the sealing joint 33, and the sealing joint 33 is sleeved on one end of the guide platform 2; by setting the sealing joint 33, a small amount of water on the top of the guide platform 2 is collected and flows into the inner cavity of the box body 3.

[0021] A through hole 34 is opened on one side of the box body 3, and one end of the drain pipe 211 extends through the through hole 34 to the inner cavity of the box body 3; by setting the through hole 34, the drain pipe 211 is connected to the box body 3, so that the coolant inside the connecting cavity 21 can accurately flow into the inner cavity of the box body 3.

[0022] The working principle and use process of the utility model are as follows: when in use, the flue gas enters the interior of the connecting pipe 12 through the air inlet pipe 11, moves a certain distance inside the exhaust gas treatment box 1 through the connecting pipe 12, and the connecting pipe 12 guides the exhaust gas to be discharged into the interior of the box body 3 connected to the connecting pipe 12. The connecting pipe 12 is cooled by the nozzle 131, thereby cooling the exhaust gas flowing inside the connecting pipe 12, so that the temperature of the exhaust gas entering the box body 3 is greatly reduced compared to when it is just discharged. A guide platform 2 is arranged inside the exhaust gas treatment box 1, and a connecting cavity 21 is opened inside the guide platform 2. A drain pipe 211 is connected to one end of the connecting cavity 21, and a plurality of cooling pipes 22 are arranged at the bottom of the guide platform 2. One end of the cooling pipe 22 is connected to the connecting cavity 21. The guide platform 2 collects the cooling water with temperature left on the connecting pipe 12, and drains the water through the guide platform 2. Several through grooves are opened on the top of the platform 2, and cooling water with higher temperature enters the cooling pipe 22. When the water in the cooling pipe 22 is full, it overflows from the other end to the inside of the connecting cavity 21, flows into the box body 3 through the drain pipe 211, and merges with the exhaust gas discharged from one end of the connecting pipe 12 to perform dust reduction treatment on the exhaust gas. The cooling water mixed exhaust gas enters the guide pipe 32. After dust reduction, the metal chips and dust mixed with the coolant are filtered at the top through the filter plate 41. The treated flue gas moves upward. At this time, the impurities in the flue gas are filtered and the temperature is greatly reduced. It is discharged through the exhaust pipe 42 to complete the filtration of the flue gas. The impurities and metal chips are collected on the top of the filter plate 41. The inner walls on both sides of the water tank 4 are provided with limit blocks for limiting the filter plate 41. At regular intervals, the sealing door 43 is opened and the filter plate 41 is pulled out for cleaning.

Claims

1. A gold smelting fume purification and recovery device, comprising a waste gas treatment box (1), an air inlet pipe (11), a cooling fan (14), and an air outlet (15), characterized in that: One end of the air inlet pipe (11) is connected to a connecting pipe (12); a water outlet pipe (13) is arranged at the top of the exhaust gas treatment box (1); a plurality of nozzles (131) are arranged on one side of the water outlet pipe (13); a guide platform (2) is arranged inside the exhaust gas treatment box (1); a connecting cavity (21) is provided inside the guide platform (2); one end of the connecting cavity (21) is connected to a drain pipe (211); and a plurality of cooling pipes (22) are arranged at the bottom of the guide platform (2); one end of the cooling pipe (22) is connected to the connecting cavity (21); and the exhaust gas treatment box (1) is provided with a plurality of cooling pipes (22). ) is fixedly connected to the inner wall of one side of the exhaust gas treatment box (1), a connecting shell (31) is arranged at the top of the box (3), and a guide pipe (32) is arranged in the inner cavity of the box (3), one end of the connecting pipe (12) is connected to the connecting shell (31), a water tank (4) is arranged on one side of the exhaust gas treatment box (1), one end of the guide pipe (32) is connected to the inner cavity of the water tank (4), a filter plate (41) is detachably connected inside the water tank (4), an exhaust pipe (42) is arranged at the top of the filter plate (41), and a sealing door (43) is hinged on one side of the water tank (4).

2. The gold smelting fume purification and recovery device according to claim 1 is characterized in that: A plurality of the nozzles (131) are arranged at equal intervals on one side of the water outlet pipe (13); one end of the nozzle (131) passes through the top of the exhaust gas treatment box (1) and extends to the top of the connecting pipe (12); a pump body (132) and a valve are arranged on the water outlet pipe (13); and one end of the water outlet pipe (13) is connected to the water tank (4).

3. The gold smelting fume purification and recovery device according to claim 1 is characterized in that: The top of the guide platform (2) is arranged in a step shape, and a plurality of through grooves are provided on the top of the guide platform (2), and one end of a plurality of cooling pipes (22) are respectively connected to the plurality of through grooves.

4. The gold smelting fume purification and recovery device according to claim 1 is characterized in that: A sealing joint (33) is fixedly connected to one side of the box body (3), the box body (3) is connected to the guide platform (2) via the sealing joint (33), and the sealing joint (33) is sleeved on one end of the guide platform (2).

5. The gold smelting fume purification and recovery device according to claim 1 is characterized in that: A through hole (34) is provided on one side of the box body (3), and one end of the drainage pipe (211) passes through the through hole (34) and extends to the inner cavity of the box body (3).

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