Integrated system for cleaning of pressure leach process off-gas

Abstract

The utility model provides a kind of pressurized leaching process tail gas cleaning integrated system, the pressurized leaching process tail gas cleaning integrated system includes venturi mixer, condenser, liquid receiving tray and liquid guide, condenser is sequentially equipped with first inlet, liquid guide, liquid receiving tray, second inlet and liquid collection cavity from top to bottom, first inlet supplies wash water, second inlet obtains the gas-liquid mixture of venturi mixer, and liquid guide guides wash water and condensate water into liquid receiving tray.The utility model's pressurized leaching process tail gas cleaning integrated system supplies the gas-liquid mixture of venturi mixer into condenser, wherein a small amount of wash water attached to solid particles and acid liquid flows to liquid collection cavity, tail gas after solid particles and most of acid liquid are removed rises and exchanges heat with the large amount of wash water supplied into first inlet to produce condensate water, and the large amount of wash water and condensate water contact liquid guide, and under the guidance of liquid guide, into liquid receiving tray, to be recycled.

Description

Technical Field

[0001] This utility model relates to the field of exhaust gas treatment, specifically to an integrated system for cleaning exhaust gas from a pressurized leaching process. Background Technology

[0002] In related technologies, acidic exhaust gas is fed into a condenser during treatment, and a small amount of wash water is sprayed into the condenser to wash away most of the solid particles entrained in the exhaust gas. The exhaust gas then enters a venturi separator and a separator, where an appropriate amount of wash water is sprayed to wash away residual acid and solid particles. The residual solid particles, acid, condensed exhaust gas, and wash water are mixed and discharged together, thus ensuring the exhaust gas meets emission requirements. The main purpose of this technology is to wash away solid particles and acid from the exhaust gas, but a large amount of water vapor is discharged and cannot be recycled. Although the exhaust gas undergoes preliminary washing in the condenser, the wash liquid still contains a large amount of acid and solid particles, which, when recycled as wash water, reduces washing efficiency. Furthermore, this technology involves multiple pieces of equipment, a long process, and a larger investment. Utility Model Content

[0003] This invention aims to at least partially solve one of the technical problems in related technologies. To this end, embodiments of this invention propose an integrated system for cleaning exhaust gas from a pressurized leaching process.

[0004] The integrated system for cleaning exhaust gas from the pressurized leaching process according to this embodiment of the utility model includes:

[0005] A Venturi mixer is provided with an exhaust gas inlet and a wash water inlet for mixing exhaust gas and wash water to form a gas-liquid mixture, and the Venturi mixer is also provided with a mixture outlet for discharging the gas-liquid mixture;

[0006] A condenser is provided at the bottom of the condenser, and the condenser is provided with a first inlet and a second inlet located above the liquid collection chamber, with the first inlet being higher than the second inlet. The first inlet is used to supply wash water, and the second inlet is connected to the mixture outlet to obtain the gas-liquid mixture.

[0007] A drip tray is provided inside the condenser and located between the first inlet and the second inlet;

[0008] A liquid guiding component is disposed inside the condenser and located between the first inlet and the liquid receiving tray to guide the wash water and the condensate condensed in the exhaust gas into the liquid receiving tray.

[0009] The integrated system for cleaning exhaust gas from a pressurized leaching process, as described in this embodiment, first feeds a small amount of wash water and exhaust gas into a Venturi mixer for mixing. This allows solid particles and acid in the exhaust gas to adhere to the small amount of wash water. The resulting gas-liquid mixture is then fed into a condenser for gas-liquid separation. The small amount of wash water with attached solid particles and acid flows to the collection chamber at the bottom of the condenser. After removing the solid particles and most of the acid, the exhaust gas rises and exchanges heat with a large amount of wash water supplied through the first inlet. This causes the steam in the exhaust gas to condense and produce condensate. The condensate comes into contact with the liquid guide during its formation and descent. The large amount of wash water supplied through the first inlet also comes into contact with the liquid guide during its descent. As a result, the condensate and the large amount of clean wash water are guided into the receiving tray by the liquid guide for recycling.

[0010] In some embodiments, the liquid guide extends from top to bottom and is inclined from the inner wall surface of the condenser toward the centerline of the condenser, and the liquid receiving tray is located below the lowest end of the liquid guide.

[0011] In some embodiments, the liquid guiding member is an inclined flat plate, located at two opposite ends of the condenser in a horizontal direction, with one end connected to the upper end of the liquid guiding member and the other end spaced apart from the lower end of the liquid guiding member.

[0012] In some embodiments, the liquid guiding element is at least two arranged at intervals in a vertical direction, two adjacent liquid guiding elements are arranged opposite each other in the condenser in a horizontal direction, and the inclined arrangement directions of two adjacent liquid guiding elements are opposite, and the liquid receiving tray is located between the bottommost liquid guiding element and the second inlet.

[0013] In some embodiments, the bottommost liquid guide and the liquid receiving tray are arranged opposite each other in the condenser in a horizontal direction. At the two ends of the condenser that are arranged opposite each other in the horizontal direction, one end is connected to the liquid receiving tray, and the other end is spaced apart from the liquid receiving tray.

[0014] In some embodiments, the lower end of the liquid guide is located on the center line of the condenser, at two ends of the condenser arranged opposite each other in the horizontal direction, one end of which is connected to one end of the liquid receiving tray, and the other end of the liquid receiving tray is located between the other end of the liquid guide and the center line of the condenser.

[0015] In some embodiments, the condensate trays are at least two arranged at intervals in a vertical direction, and two adjacent condensate trays are arranged opposite each other in a horizontal direction within the condenser; and / or

[0016] The integrated system for cleaning exhaust gas from the pressurized leaching process also includes a first receiving container and a second receiving container. The bottom of the condenser is provided with a first outlet that communicates with the liquid collection chamber. The first outlet is connected to the first receiving container. The condenser is also provided with a second outlet that communicates with the liquid receiving tray. The second outlet is connected to the second receiving container.

[0017] In some embodiments, the integrated system for cleaning exhaust gas from pressurized leaching processes further includes a water distributor disposed within the condenser and above the liquid guiding element, the water distributor being connected to the first inlet.

[0018] In some embodiments, the integrated system for cleaning exhaust gas from pressurized leaching processes further includes an inlet pipe and a deposition chamber. The inlet pipe is connected between the mixture outlet and the second inlet. The inlet pipe is connected to the inlet pipe and extends downward from the inlet pipe. The mixture outlet and the deposition chamber are arranged opposite each other in the vertical direction.

[0019] In some embodiments, the integrated system for cleaning exhaust gas from pressurized leaching processes further includes an exhaust pipe, a pressure detector, and a valve plate. The exhaust pipe is connected to the top of the condenser, the valve plate is disposed inside the exhaust pipe to adjust the opening of the exhaust pipe, and the pressure detector is disposed in the exhaust pipe and located above the valve plate. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the integrated system for cleaning exhaust gas from a pressurized leaching process according to an embodiment of the present invention.

[0021] Figure label:

[0022] 1. Condenser; 11. First inlet; 12. Second inlet; 13. First outlet; 14. Second outlet; 15. Liquid collection chamber; 2. Liquid receiving tray; 3. Liquid guide; 4. First receiving container; 5. Second receiving container; 6. Venturi mixer; 61. Exhaust gas inlet; 62. Wash water inlet; 63. Mixture outlet; 7. Inlet pipe; 8. Deposition chamber; 9. Exhaust pipe; 10. Pressure detector; 20. Valve plate. Detailed Implementation

[0023] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0024] The following is for reference. Figure 1 This invention describes an integrated system for cleaning exhaust gas from a pressurized leaching process according to an embodiment of the present invention.

[0025] like Figure 1 As shown, the integrated system for cleaning exhaust gas from pressurized leaching process according to this utility model embodiment includes a Venturi mixer 6, a condenser 1, a liquid receiving tray 2, and a liquid guiding component 3.

[0026] The Venturi mixer 6 is provided with an exhaust gas inlet 61 and a wash water inlet 62 for mixing exhaust gas and wash water to form a gas-liquid mixture. The Venturi mixer 6 is also provided with a mixture outlet 63 for discharging the gas-liquid mixture. The bottom of the condenser 1 is provided with a liquid collection chamber 15. The condenser 1 is provided with a first inlet 11 and a second inlet 12 located above the liquid collection chamber 15, with the first inlet 11 being higher than the second inlet 12. The first inlet 11 is used to supply wash water, and the second inlet 12 is connected to the mixture outlet 63 to obtain the gas-liquid mixture. The liquid receiving tray 2 is provided inside the condenser 1 and is located between the first inlet 11 and the second inlet 12. The liquid guiding member 3 is provided inside the condenser 1 and is located between the first inlet 11 and the liquid receiving tray 2 to guide the condensate from the wash water and exhaust gas into the liquid receiving tray 2.

[0027] Specifically, such as Figure 1 As shown, the top of the Venturi mixer 6 is provided with an exhaust gas inlet 61 for supplying exhaust gas, and the left end of the Venturi mixer 6 is provided with a wash water inlet 62 for supplying a small amount of wash water. The exhaust gas and a small amount of wash water are mixed in the Venturi mixer 6 so that the solid particles and acid in the exhaust gas adhere to the small amount of wash water and mix to form a gas-liquid mixture. The gas-liquid mixture is discharged from the mixture outlet 63 provided at the bottom of the Venturi mixer 6.

[0028] Preferably, the equipment for emitting exhaust gas in the pressure leaching process includes a pressure vessel, a preheater, and a flash tank, etc., and the exhaust ports of the pressure vessel, preheater, and flash tank are all connected to the exhaust gas inlet 61 via pipelines. Compared with the related technology where the equipment for emitting exhaust gas in the pressure leaching process is connected to the Venturi mixer through a primary exhaust gas scrubber, the integrated exhaust gas cleaning system for the pressure leaching process of this utility model embodiment can save the primary exhaust gas scrubber, thereby reducing the structural complexity and space occupation of the system, while also achieving better treatment effect.

[0029] The condenser 1 extends vertically and has a first inlet 11 and a second inlet 12 on its side wall. The first inlet 11 is located above the second inlet 12 and is used to supply a large amount of wash water into the condenser 1. The second inlet 12 is connected to the mixture outlet 63 to receive the gas-liquid mixture discharged from the Venturi mixer 6.

[0030] The condenser 1 is provided with a liquid guide 3, a liquid receiving plate 2 and a liquid collecting chamber 15 arranged from top to bottom. The liquid guide 3 and the liquid receiving plate 2 are both located between the first inlet 11 and the second inlet 12, with the liquid guide 3 located above the liquid receiving plate 2 and the liquid collecting chamber 15 located below the second inlet 12.

[0031] The condenser 1 is used to separate the gas-liquid mixture supplied by the second inlet 12. After the gas-liquid mixture enters the condenser 1, a small amount of wash water with attached solid particles is separated and falls into the collection chamber 15 for collection. At the same time, the small amount of wash water also absorbs acid mist in the exhaust gas during the mixing process, so that the acid mist in the exhaust gas is removed and collected in the collection chamber 15. The exhaust gas after removing solid particles flows upward, while a large amount of wash water is supplied into the condenser 1 through the first inlet 11. The clean large amount of wash water exchanges heat fully with the rising exhaust gas during the falling process, so that the steam in the exhaust gas condenses to produce condensate. The condensate comes into contact with the liquid guide 3 during the generation and falling process, and the clean large amount of wash water also comes into contact with the liquid guide 3 during the falling process. The liquid guide 3 guides the contacting condensate and the clean large amount of wash water to move towards the liquid receiving tray 2 and finally enter the liquid receiving tray 2, thereby collecting the mixture of condensate and clean wash water in the liquid receiving tray 2, realizing water recycling, and collecting the wash water with attached solid particles in the collection chamber 15. Compared to related technologies that only wash solid particles and directly release most of the gas, including steam, into the atmosphere, the pressurized leaching process exhaust gas cleaning integrated system of this utility model can reduce the exhaust volume by 80% or more because it can collect a mixture of condensate and clean wash water.

[0032] The integrated system for cleaning exhaust gas from a pressurized leaching process, as described in this embodiment, first feeds a small amount of wash water and exhaust gas into a Venturi mixer for mixing. This allows solid particles and acid in the exhaust gas to adhere to the small amount of wash water. The resulting gas-liquid mixture is then fed into a condenser for gas-liquid separation. The small amount of wash water with attached solid particles and acid flows to the collection chamber at the bottom of the condenser. After removing the solid particles and most of the acid, the exhaust gas rises and exchanges heat with a large amount of wash water supplied through the first inlet. This causes the steam in the exhaust gas to condense and produce condensate. The condensate comes into contact with the liquid guide during its formation and descent. The large amount of wash water supplied through the first inlet also comes into contact with the liquid guide during its descent. As a result, the condensate and the large amount of clean wash water are guided into the receiving tray by the liquid guide for recycling.

[0033] In some embodiments, the liquid guide 3 extends from top to bottom and is inclined from the inner wall surface of the condenser 1 toward the centerline of the condenser 1, and the liquid receiving tray 2 is located below the lowest end of the liquid guide 3.

[0034] like Figure 1 As shown, the centerline of the condenser 1 extends vertically, and the liquid guide 3 is connected to the inner wall of the condenser 1. The liquid guide 3 extends from top to bottom and is inclined from the inner wall of the condenser 1 toward the centerline of the condenser 1, so that the liquid guide 3 has a lowest end. The liquid receiving tray 2 is located below the lowest end of the liquid guide 3, so that the liquid guide 3 can guide the wash water and condensate into the liquid receiving tray 2.

[0035] In some embodiments, the liquid guiding member 3 is an inclined plate, with one end of the condenser 1 connected to the upper end of the liquid guiding member 3 and the other end spaced apart from the lower end of the liquid guiding member 3.

[0036] like Figure 1 As shown, the liquid guide 3 is a flat plate extending from top to bottom and inclined along the left-right direction from the inner wall surface of the condenser 1 toward the center line of the condenser 1. Preferably, the cross-section of the condenser 1 is rectangular, and the liquid guide 3 is a rectangular flat plate. The upper end of the liquid guide 3 is connected to one end of the condenser 1 in the left-right direction, and the lower end of the liquid guide 3 is spaced apart from the other end of the condenser 1 in the left-right direction to form a channel for the exhaust gas to rise.

[0037] The liquid guide 3 is configured as a flat plate, which can intercept and guide the wash water during its descent. This ensures that a large amount of wash water is guided into the receiving tray 2, and extends the residence time of the wash water, thereby improving the heat exchange and condensation effect between the wash water and the exhaust gas, significantly reducing the steam content in the exhaust gas and thus reducing the exhaust volume. The flat plate configuration of the liquid guide 3 also intercepts the exhaust gas as it rises, creating a baffle to further increase its residence time, thereby enhancing the heat exchange and condensation effect between the wash water and the exhaust gas. Simultaneously, the flat plate configuration of the liquid guide 3 ensures that condensate fully adheres to the liquid guide 3 during the interception of the exhaust gas, guaranteeing that the condensate enters the receiving tray 2.

[0038] It is understood that the liquid guiding element is not limited to a flat plate; in other embodiments, the liquid guiding element is a mesh plate.

[0039] It is understood that the liquid guide is not limited to extending from top to bottom and being inclined in the left and right direction. In other embodiments, the liquid guide is set as a conical mesh plate, the outer peripheral surface of the liquid guide is connected to the inner wall surface of the condenser, the center of the liquid guide forms the lowest point, and the mesh of the mesh plate is used for exhaust gas to pass through and rise.

[0040] In some embodiments, the liquid guiding element 3 consists of at least two arranged at intervals along the vertical direction, with two adjacent liquid guiding elements 3 arranged opposite each other in the condenser 1 along the horizontal direction, and the inclined arrangement directions of the two adjacent liquid guiding elements 3 being opposite. The liquid receiving tray 2 is located between the bottommost liquid guiding element 3 and the second inlet 12.

[0041] like Figure 1As shown, the liquid guiding components 3 are preferably four arranged at intervals along the vertical direction. Adjacent liquid guiding components 3 are positioned opposite each other in the left-right direction within the condenser 1, and their inclined directions are opposite. Specifically, from top to bottom, the upper end of the first liquid guiding component 3 is connected to the inner wall of the right end of the condenser 1 and is inclined from right to left; the upper end of the second liquid guiding component 3 is connected to the inner wall of the left end of the condenser 1 and is inclined from left to right; the upper end of the third liquid guiding component 3 is connected to the inner wall of the right end of the condenser 1 and is inclined from right to left; and the upper end of the fourth liquid guiding component 3 is connected to the inner wall of the left end of the condenser 1 and is inclined from left to right. By using multiple liquid guiding components 3, the retention time of the large amount of wash water and exhaust gas is sufficiently extended to ensure effective heat exchange and condensation.

[0042] It should be noted that, in the vertical projection plane, among two adjacent liquid guiding components 3 arranged at intervals along the vertical direction, the lower end projection of the lower liquid guiding component 3 is lower than the lower end projection of the upper liquid guiding component 3. The upper end projection of the lower liquid guiding component 3 is located between the upper end projection and the lower end projection of the upper liquid guiding component 3, or is flush with the lower end projection of the upper liquid guiding component 3, or is lower than the lower end projection of the upper liquid guiding component 3. Preferably, it is located between the upper end projection and the lower end projection of the upper liquid guiding component 3.

[0043] The receiving tray 2 is located below the bottommost liquid guide 3 to receive a large amount of wash water and condensate guided by multiple liquid guides 3.

[0044] It is understood that in other embodiments, two liquid guides arranged opposite each other in the horizontal direction may also be located at the same height, with a gap between the two liquid guides to allow exhaust gas to rise, and the liquid receiving tray is located below the gap between the two liquid guides.

[0045] In some embodiments, the bottommost liquid guide 3 and the liquid receiving tray 2 are arranged opposite each other in the condenser 1 in the horizontal direction. At the two ends of the condenser 1 that are arranged opposite each other in the horizontal direction, one end is connected to the liquid receiving tray 2, and the other end is spaced apart from the liquid receiving tray 2.

[0046] like Figure 1 As shown, the bottommost liquid guide 3 is connected to the left inner wall of the condenser 1, and the liquid receiving plate 2 adjacent to the bottommost liquid guide 3 is connected to the right inner wall of the condenser 1 to ensure that the liquid receiving plate 2 can receive a large amount of guided wash water and condensate. The liquid receiving plate 2 and the left inner wall of the condenser 1 are spaced apart in the left-right direction to form a channel for the exhaust gas to rise.

[0047] Preferably, the liquid receiving tray 2 is rectangular and is located 0.5m to 1.0m below the bottom of the liquid guiding component 3.

[0048] It is understood that the condensate tray is not limited to being spaced apart from the other end of the condenser. In other embodiments, the outer peripheral surface of the condensate tray is connected to the inner peripheral surface of the condenser, and the condensate tray is provided with multiple channels extending in the vertical direction, through which the exhaust gas passes and rises.

[0049] In some embodiments, the lower end of the liquid guide 3 is located on the center line of the condenser 1. At the two ends of the condenser 1 that are arranged opposite each other in the horizontal direction, one end is connected to one end of the liquid receiving tray 2, and the other end is located between the other end of the liquid receiving tray 2 and the center line of the condenser 1.

[0050] like Figure 1 As shown, the lower end of each liquid guide 3 is located on the center line of the condenser 1. Preferably, in two adjacent liquid guides 3 in the vertical direction, the lower liquid guide 3 is located on the inclined direction of the upper liquid guide 3. The left end of the liquid receiving tray 2 adjacent to the bottommost liquid guide 3 is located to the left of the center line of the condenser 1. Preferably, the liquid receiving tray 2 adjacent to the bottommost liquid guide 3 is located on the inclined direction of the bottommost liquid guide 3. This ensures that the large amount of wash water and condensate guided by the upper liquid guide 3 can be transferred to the lower liquid guide 3, and also ensures that the large amount of wash water and condensate guided by the bottommost liquid guide 3 can be transferred into the liquid receiving tray 2.

[0051] In some embodiments, at least two liquid receiving trays 2 are arranged at intervals along the vertical direction, and two adjacent liquid receiving trays 2 are arranged opposite each other in the horizontal direction within the condenser 1.

[0052] like Figure 1 As shown, the drip trays 2 are preferably two arranged at intervals along the vertical direction. The upper drip tray 2 is connected to the inner wall of the right end of the condenser 1, and the left end of the upper drip tray 2 is located to the left of the center line of the condenser 1. The lower drip tray 2 is connected to the inner wall of the left end of the condenser 1, and the right end of the upper drip tray 2 is located to the right of the center line of the condenser 1. The two drip trays 2 ensure that a large amount of wash water and condensate are collected.

[0053] It is understood that in some other embodiments, only one drip tray may be provided.

[0054] In some embodiments, the integrated system for cleaning exhaust gas from pressurized leaching processes according to this utility model further includes a first receiving container 4 and a second receiving container 5. The bottom of the condenser 1 is provided with a first outlet 13 that communicates with the liquid collection chamber 15. The first outlet 13 is connected to the first receiving container 4. The condenser 1 is also provided with a second outlet 14 that communicates with the liquid receiving tray 2. The second outlet 14 is connected to the second receiving container 5.

[0055] like Figure 1As shown, the liquid collection chamber 15 is preferably conical, and the bottom end of the condenser 1 is provided with a first outlet 13 that communicates with the liquid collection chamber 15. The first outlet 13 is connected to the first receiving container 4 through a pipeline so as to supply the washing water with solid particles attached in the liquid collection chamber 15 to the first receiving container 4 for storage.

[0056] The side wall of the condenser 1 is provided with a second outlet 14. Preferably, there are two second outlets 14 that are connected to the liquid receiving tray 2 one by one. Both second outlets 14 are connected to the second receiving container 5 through pipelines so as to supply the mixture of condensate and clean washing water collected in the liquid receiving tray 2 to the second receiving container 5 for storage.

[0057] The second receiving container 5 can be connected to the wash water inlet 62 via a pipeline to supply a small amount of wash water to the Venturi mixer 6 from the mixture of condensate and clean wash water in the second receiving container 5. The mixture of condensate and clean wash water in the second receiving container 5 can also be supplied to other process equipment in the pressure leaching process as leaching residue wash water, so as to achieve reuse of condensate and clean wash water.

[0058] In some embodiments, the integrated system for cleaning exhaust gas from pressurized leaching processes according to this utility model further includes a water distributor (not shown in the figure), which is located inside the condenser 1 and above the liquid guiding member 3, and is connected to the first inlet 11.

[0059] Specifically, a water distributor is provided inside the condenser 1. The water distributor is connected to the first inlet 11 and is preferably set at the same height as the first inlet 11. A large amount of wash water supplied by the first inlet 11 enters the water distributor and is then evenly discharged into the condenser 1 through the water distributor to ensure that the wash water and the exhaust gas exchange heat fully and evenly, and also to ensure that the liquid guiding component 3 can guide the flow of the wash water in contact.

[0060] In some embodiments, the pressurized leaching process tail gas cleaning integrated system of the present invention further includes an air inlet pipe 7 and a deposition chamber 8. The air inlet pipe 7 is connected between the mixture outlet 63 and the second inlet 12. The air inlet pipe 7 is connected to the air inlet pipe 7 and extends downward from the air inlet pipe 7. The mixture outlet 63 and the deposition chamber 8 are arranged opposite each other in the vertical direction.

[0061] like Figure 1 As shown, the intake pipe 7 extends in the left-right direction and connects between the mixture outlet 63 and the second inlet 12. Specifically, the second inlet 12 is connected to the right end of the intake pipe 7, and the mixture outlet 63 is connected to the left end of the intake pipe 7 and is connected to the top of the intake pipe 7. A deposition chamber 8 is provided at the bottom of the left end of the intake pipe 7 so that the deposition chamber 8 and the mixture outlet 63 are arranged opposite each other in the vertical direction.

[0062] The gas-liquid mixture discharged from the mixture outlet 63 first enters the inlet pipe 7. Larger solid particles carried in the gas-liquid mixture fall into the deposition chamber 8 after entering the inlet pipe 7 and are deposited. Smaller solid particles are supplied to the condenser 1 along with the gas-liquid mixture through the inlet pipe 7. The solid particles are screened once through the inlet pipe 7 and the deposition chamber 8, which can prevent the inlet pipe 7 from becoming blocked after long-term use and can also reduce the volume of solid particles in the first receiving container 4.

[0063] Preferably, the sedimentation chamber 8 is provided with an openable and closable opening for periodic cleaning.

[0064] In some embodiments, the integrated system for cleaning exhaust gas from pressurized leaching processes according to this utility model further includes an exhaust pipe 9, a pressure detector 10, and a valve plate 20. The exhaust pipe 9 is connected to the top of the condenser 1, the valve plate 20 is disposed inside the exhaust pipe 9 to adjust the opening of the exhaust pipe 9, and the pressure detector 10 is disposed in the exhaust pipe 9 and located above the valve plate 20.

[0065] like Figure 1 As shown, the top of the condenser 1 is provided with an exhaust pipe 9, which is used to discharge the exhaust gas after separation in the condenser 1. The exhaust pipe 9 is provided with a valve plate 20, which is used to adjust the opening of the exhaust pipe 9 so as to control the exhaust pressure by adjusting the opening of the exhaust pipe 9. The exhaust pipe 9 is also provided with a pressure detector 10, which is located above the valve plate 20 to obtain the exhaust pressure, thereby adjusting the valve plate 20 according to the exhaust pressure obtained by the pressure detector 10.

[0066] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0067] Furthermore, the terms "first" and "second" are used only for distinction and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0068] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0069] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0070] In this utility model, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0071] Although the above embodiments have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Any changes, modifications, substitutions and variations made to the above embodiments by those skilled in the art are within the protection scope of the present invention.

Claims

1. An integrated system for cleaning exhaust gas from a pressurized leaching process, characterized in that, include: A Venturi mixer (6) is provided with an exhaust gas inlet (61) and a wash water inlet (62) for mixing exhaust gas and wash water to form a gas-liquid mixture. The Venturi mixer (6) is also provided with a mixture outlet (63) for discharging the gas-liquid mixture. A condenser (1) is provided with a liquid collection chamber (15) at the bottom of the condenser (1). The condenser (1) is provided with a first inlet (11) and a second inlet (12) located above the liquid collection chamber (15), and the first inlet (11) is higher than the second inlet (12). The first inlet (11) is used to supply washing water, and the second inlet (12) is connected to the mixture outlet (63) to obtain the gas-liquid mixture. A liquid receiving tray (2) is provided inside the condenser (1) and located between the first inlet (11) and the second inlet (12); Liquid guiding component (3) is provided inside the condenser (1) and located between the first inlet (11) and the liquid receiving tray (2) to guide the washing water and the condensate condensed in the exhaust gas into the liquid receiving tray (2).

2. The integrated system for cleaning exhaust gas from pressurized leaching process according to claim 1, characterized in that, The liquid guiding component (3) extends from top to bottom and is inclined from the inner wall surface of the condenser (1) toward the center line of the condenser (1). The liquid receiving tray (2) is located below the lowest end of the liquid guiding component (3).

3. The integrated system for cleaning exhaust gas from pressurized leaching process according to claim 2, characterized in that, The liquid guiding component (3) is an inclined plate, located at two opposite ends of the condenser (1) in the horizontal direction. One end is connected to the upper end of the liquid guiding component (3), and the other end is spaced apart from the lower end of the liquid guiding component (3).

4. The integrated system for cleaning exhaust gas from pressurized leaching process according to claim 3, characterized in that, The liquid guiding element (3) consists of at least two arranged at intervals along the vertical direction. Two adjacent liquid guiding elements (3) are arranged opposite each other in the condenser (1) along the horizontal direction, and the inclined arrangement directions of two adjacent liquid guiding elements (3) are opposite. The liquid receiving tray (2) is located between the bottommost liquid guiding element (3) and the second inlet (12).

5. The integrated system for cleaning exhaust gas from pressurized leaching process according to claim 4, characterized in that, The bottommost liquid guide (3) and the liquid receiving tray (2) are arranged opposite each other in the condenser (1) in the horizontal direction. At the two ends of the condenser (1) arranged opposite each other in the horizontal direction, one end is connected to the liquid receiving tray (2), and the other end is spaced apart from the liquid receiving tray (2).

6. The integrated system for cleaning exhaust gas from pressurized leaching process according to claim 5, characterized in that, The lower end of the liquid guide (3) is located on the center line of the condenser (1), and is located at two opposite ends of the condenser (1) in the horizontal direction. One end is connected to one end of the liquid receiving tray (2), and the other end is located between the other end and the center line of the condenser (1) and the other end of the liquid receiving tray (2).

7. The integrated system for cleaning exhaust gas from pressurized leaching process according to claim 6, characterized in that, The liquid receiving trays (2) are at least two arranged at intervals along the vertical direction, and two adjacent liquid receiving trays (2) are arranged opposite each other in the horizontal direction within the condenser (1); and / or The pressurized leaching process exhaust gas cleaning integrated system also includes a first receiving container (4) and a second receiving container (5). The bottom of the condenser (1) is provided with a first outlet (13) that connects to the liquid collection chamber (15). The first outlet (13) is connected to the first receiving container (4). The condenser (1) is also provided with a second outlet (14) that connects to the liquid receiving tray (2). The second outlet (14) is connected to the second receiving container (5).

8. The integrated system for cleaning exhaust gas from pressurized leaching process according to claim 1, characterized in that, It also includes a water distributor, which is located inside the condenser (1) and above the liquid guide (3), and the water distributor is connected to the first inlet (11).

9. The integrated system for cleaning exhaust gas from pressurized leaching process according to claim 8, characterized in that, It also includes an air inlet pipe (7) and a deposition chamber (8). The air inlet pipe (7) is connected between the mixture outlet (63) and the second inlet (12). The air inlet pipe (7) is connected to the air inlet pipe (7) and extends downward from the air inlet pipe (7). The mixture outlet (63) and the deposition chamber (8) are arranged opposite each other in the vertical direction.

10. The integrated system for cleaning exhaust gas from pressurized leaching process according to claim 1, characterized in that, It also includes an exhaust pipe (9), a pressure detector (10), and a valve plate (20). The exhaust pipe (9) is connected to the top of the condenser (1). The valve plate (20) is located inside the exhaust pipe (9) to adjust the opening of the exhaust pipe (9). The pressure detector (10) is located in the exhaust pipe (9) and above the valve plate (20).

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