A high-salinity water and superheated steam vacuum spray flash evaporation device

Abstract

The application provides a high-salt water and superheated steam vacuum spray flash evaporation device, and belongs to the technical field of high-salt water treatment, which comprises a flash evaporation box body, a salt water spraying assembly, a steam spraying pipe, a mesh barrier assembly, a first driving assembly and a second driving assembly, the salt water spraying assembly extends from the top of the flash evaporation box body to the inside of the flash evaporation box body and is used for spraying high-salt water into the inside of the flash evaporation box body in a conical state, the steam spraying pipe extends from the bottom of the flash evaporation box body to the inside of the flash evaporation box body and is used for spraying high-temperature steam into the inside of the flash evaporation box body in a conical state, and the mesh barrier assembly is arranged in the inside of the flash evaporation box body and is used for shielding salt-containing crystalline particles that float with steam. Compared with the prior art, the embodiment of the application can effectively avoid that high-temperature steam carries a small amount of fine salt-containing crystalline particles out of the flash evaporation box body, avoids the loss of salt-containing crystalline particles, and improves the collection efficiency of salt-containing crystalline particles.

Description

Technical Field

[0001] This invention belongs to the field of high saline water treatment technology, specifically a high saline water and superheated steam vacuum spray flash evaporation device. Background Technology

[0002] Wastewater with a total dissolved solids (TDS) mass fraction greater than or equal to 1% is called "high-salinity wastewater." It typically originates from industrial wastewater in fields such as petroleum processing, coal chemical industry, printing and dyeing, and papermaking, as well as concentrates from membrane or electrodialysis treatment. High-salinity wastewater has a complex composition, containing large amounts of chloride ions, sodium ions, sulfate ions, and recalcitrant organic pollutants such as benzene, phenol, and polycyclic aromatic hydrocarbons.

[0003] Currently, spraying within a flash evaporator is an effective method for rapidly evaporating water from highly saline solutions, causing salt particles to precipitate quickly. Inside the flash evaporator, spraying highly saline solution disperses it into small particles, which then come into contact with the high-temperature steam flowing through the chamber. This causes the water in the saline solution to evaporate rapidly, resulting in the precipitation of salt particles. However, the precipitated salt particles vary in size, and some finer particles are discharged outside the flash evaporator along with the high-temperature steam, leading to the loss of salt particles and affecting the collection efficiency. Summary of the Invention

[0004] In view of the shortcomings of the prior art, the technical problem to be solved by the embodiments of the present invention is to provide a high-salinity water and superheated steam vacuum spray flash evaporation device.

[0005] To solve the above-mentioned technical problems, the present invention provides the following technical solution:

[0006] A high-salinity water and superheated steam vacuum spray flash evaporation device includes a flash evaporation chamber, a brine spray assembly, a steam spray pipe, a mesh baffle assembly, a first drive assembly, and a second drive assembly.

[0007] The brine spray assembly extends from the top of the flash evaporation chamber into the interior of the flash evaporation chamber, and is used to spray high-salt water into the interior of the flash evaporation chamber in a cone shape.

[0008] The steam spray pipe extends from the bottom of the flash chamber into the interior of the flash chamber, and is used to spray high-temperature steam into the interior of the flash chamber in a cone shape.

[0009] The mesh baffle assembly is disposed inside the flash evaporation chamber and is used to block the salt-containing crystalline particles that rise with the steam.

[0010] The first drive assembly and the second drive assembly are mounted on the inner wall of the flash evaporation chamber. The second drive assembly is used to drive the brine spray pipe to rotate.

[0011] The first driving component is used to drive the mesh barrier component to move up and down, so that the high-temperature steam sprayed from the steam spray pipe can act on different areas of the mesh barrier component.

[0012] As a further improvement of the present invention: the brine spray assembly includes a first brine spray pipe, a second brine spray pipe, and a brine nozzle.

[0013] One end of the first brine spray pipe is connected to an external pump unit, and the other end extends from the top of the flash evaporation chamber into the interior of the flash evaporation chamber and is fixedly connected to the flash evaporation chamber. The second brine spray pipe is disposed inside the flash evaporation chamber, with its upper end connected to the first brine spray pipe via a rotary joint, and its lower end connected to the brine nozzle.

[0014] One end of the steam spray pipe is connected to an external steam generator, and the other end extends from the bottom of the flash chamber into the interior of the flash chamber and is connected to a steam nozzle.

[0015] As a further improvement of the present invention: the second drive assembly includes a motor, a rotating shaft, a drive gear, and a transmission gear.

[0016] The motor is fixedly installed on the inner top wall of the flash steam chamber. One end of the rotating shaft is connected to the output end of the motor, and the other end is connected to the drive gear. The transmission gear is fixedly installed on the outer wall of the second brine spray pipe and meshes with the drive gear.

[0017] As a further improvement of the present invention: the mesh barrier assembly includes an outer ring plate, a mesh, and a central plate.

[0018] The outer ring plate is installed on the inner wall of the flash evaporation chamber, the center plate is located inside the outer ring plate, the partition mesh is fixedly installed between the outer ring plate and the center plate, and the second brine spray pipe vertically penetrates the center plate.

[0019] As a further improvement to the present invention: a column is inserted and fixedly installed inside the central plate, and a spiral groove is formed on the inner wall of the column. The second brine spray pipe passes through the inside of the column.

[0020] The second brine spray nozzle has a recessed hole on its outer wall. A lever is movably disposed inside the recessed hole, and a first elastic element is disposed inside the recessed hole to provide elastic support for the lever. One end of the lever located outside the recessed hole extends into the spiral groove.

[0021] The first drive assembly includes a support rod, a support ring plate, and a second elastic element.

[0022] The support ring plate is sleeved on the outside of the second brine spray pipe. One end of the support rod is fixedly connected to the inner wall of the flash evaporation chamber, and the other end is fixedly connected to the support ring plate. One end of the second elastic element is connected to the support ring plate, and the other end is connected to the center plate, which is used to provide elastic support for the center plate.

[0023] As a further improvement of the present invention: the first elastic element and the second elastic element are springs or metal sheets.

[0024] As a further improvement of the present invention: the inner wall of the flash evaporation chamber is fixedly provided with vertically distributed guide rails, and the outer wall of the outer ring plate is provided with guide rail grooves that cooperate with the guide rails.

[0025] As a further improvement of the present invention: a scraping component is also provided at the bottom of the mesh, the scraping component being used to scrape off the salt-containing crystalline particles blocked at the bottom of the mesh.

[0026] As a further improvement of the present invention: the outer wall of the second brine spray pipe is fixedly provided with vertically distributed keys.

[0027] The scraping assembly includes a scraper blade, a bearing, a connecting rod, and a sliding sleeve.

[0028] The inner wall of the sliding sleeve is provided with a keyway. The sliding sleeve is movably sleeved on the outside of the second brine spray pipe and provides a keyway for engagement with the key. The bearing is installed on the outside of the column. Several sets of scrapers are provided. Several scrapers are fixedly installed on the outside of the bearing. Several scrapers are in contact with the bottom of the partition net. One end of the connecting rod is fixedly connected to the sliding sleeve, and the other end is fixedly connected to the scraper.

[0029] As a further improvement of the present invention: an exhaust pipe is provided on the top of the flash evaporation chamber, and a cleaning port is provided on the lower part of the side wall of the flash evaporation chamber, with a sealing door provided inside the cleaning port.

[0030] Compared with the prior art, the beneficial effects of the present invention are:

[0031] In this embodiment of the invention, when treating high-salinity water, an external pump unit can be used to spray high-salinity water from the brine spray assembly into the flash evaporation chamber. After entering the flash evaporation chamber, the high-salinity water is sprayed downwards in a cone shape. Simultaneously, high-temperature steam generated by an external steam generator is sprayed into the flash evaporation chamber through a steam spray pipe. This high-temperature steam, after spraying into the flash evaporation chamber, is sprayed upwards in a cone shape, interacting with the downward-spraying high-salinity water. This causes the water in the high-salinity water to evaporate rapidly, precipitating fine salt-containing crystal particles. As the high-temperature steam continues to rise, it is blocked by a mesh baffle assembly, causing the salt-containing crystal particles to remain at the bottom of the mesh baffle assembly, preventing the high-temperature steam from carrying some fine salt-containing crystal particles out of the flash evaporation chamber. During this process, a second drive assembly rotates the brine spray assembly, causing the high-salinity water sprayed into the flash evaporation chamber through the brine spray assembly to rotate, thereby increasing the concentration of high-salinity water. The contact effect between water and high-temperature steam improves the treatment effect of high-salt water. Furthermore, the first driving component moves the mesh baffle assembly up and down, allowing the high-temperature steam sprayed from the steam spray pipe to act on different areas of the mesh baffle assembly. This blows the salt-containing crystal particles that rise with the high-temperature steam to different positions at the bottom of the mesh baffle assembly, thereby improving the baffle assembly's efficiency in blocking the salt-containing crystal particles. As the high-temperature steam blows the salt-containing crystal particles to different positions at the bottom of the mesh baffle assembly, those particles previously blown to the bottom lose their subsequent blowing power and can fall down and collect at the bottom of the flash chamber, achieving automatic collection of salt-containing crystal particles. Compared to existing technologies, this effectively prevents the high-temperature steam from carrying small amounts of fine salt-containing crystal particles out of the flash chamber, avoiding the loss of salt-containing crystal particles and improving the collection efficiency of salt-containing crystals. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of a vacuum spray flash evaporation device for high-salt water and superheated steam.

[0033] Figure 2 This is a schematic diagram of the internal structure of the flash chamber in a vacuum spray flash evaporator for high-salt water and superheated steam. Figure 1 ;

[0034] Figure 3 This is a schematic diagram of the internal structure of the flash chamber in a vacuum spray flash evaporator for high-salt water and superheated steam. Figure 2 ;

[0035] Figure 4 This is a schematic diagram of the mesh baffle assembly in a vacuum spray flash evaporator for high-salt water and superheated steam.

[0036] Figure 5 This is a schematic diagram of the structure of the second brine nozzle in a vacuum spray flash evaporator for high-salt water and superheated steam.

[0037] Figure 6 for Figure 2 Enlarged view of region A in the middle;

[0038] Figure 7 for Figure 5 Enlarged view of region B in the middle;

[0039] In the diagram: 10-Flash evaporator body, 101-Exhaust pipe, 102-Sealed door, 103-Guide rail, 20-Brine spray assembly, 201-First brine spray pipe, 202-Second brine spray pipe, 203-Brine nozzle, 204-Key, 205-Concave hole, 206-First elastic element, 207-Pulley, 30-Steam spray pipe, 301-Steam nozzle, 40-Mesh baffle assembly, 401-Outer ring plate, 402-Spacing mesh 403-Center plate, 404-Column cylinder, 405-Helical groove, 406-Guide rail groove, 50-First drive assembly, 501-Support rod, 502-Support ring plate, 503-Second elastic element, 60-Second drive assembly, 601-Motor, 602-Rotating shaft, 603-Drive gear, 604-Transmission gear, 70-Scraper assembly, 701-Scraper strip, 702-Bearing, 703-Connecting rod, 704-Sliding sleeve. Detailed Implementation

[0040] The technical solution of the present invention will be further described in detail below with reference to specific embodiments.

[0041] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0042] In the description of this invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", 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 invention 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 invention.

[0043] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection or setting, a detachable connection or setting, or an integral connection or setting. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0044] Please see Figure 1 , Figure 2 as well as Figure 3 This embodiment provides a high-salinity water and superheated steam vacuum spray flash evaporation device, including a flash evaporation chamber 10, a brine spray assembly 20, a steam spray pipe 30, a mesh baffle assembly 40, a first drive assembly 50, and a second drive assembly 60. The brine spray assembly 20 extends from the top of the flash evaporation chamber 10 into the interior of the flash evaporation chamber 10, and is used to spray high-salinity water into the interior of the flash evaporation chamber 10 in a cone shape. The steam spray pipe 30 extends from the bottom of the flash evaporation chamber 10 into the interior of the flash evaporation chamber 10, and is used to spray high-temperature steam into the interior of the flash evaporation chamber 10 in a cone shape. Inside the flash evaporation chamber 10, the mesh baffle assembly 40 is disposed inside the flash evaporation chamber 10 to block the salt-containing crystal particles that float with the steam. The first drive assembly 50 and the second drive assembly 60 are installed on the inner wall of the flash evaporation chamber 10. The second drive assembly 60 is used to drive the brine spray pipe 20 to rotate, and the first drive assembly 50 is used to drive the mesh baffle assembly 40 to move up and down, so that the high-temperature steam sprayed from the steam spray pipe 30 can act on different areas of the mesh baffle assembly 40.

[0045] When treating high-salinity water, an external pump unit can be used to spray high-salinity water from the brine spray assembly 20 into the flash evaporation chamber 10. After entering the flash evaporation chamber 10, the high-salinity water is sprayed downwards in a cone shape. At the same time, high-temperature steam generated by an external steam generator is sprayed into the flash evaporation chamber 10 from the steam spray pipe 30. After spraying the flash evaporation chamber 10, the high-temperature steam is sprayed upwards in a cone shape, thus interacting with the downward-spraying high-salinity water. This causes the water in the high-salinity water to evaporate rapidly and precipitate fine salt-containing crystal particles. As the high-temperature steam continues to rise, the salt-containing crystal particles are blocked by the mesh baffle assembly 40, causing the salt-containing crystal particles to remain at the bottom of the mesh baffle assembly 40, preventing the high-temperature steam from carrying some fine salt-containing crystal particles out of the flash evaporation chamber. During the above process, the brine spray assembly 20 is rotated by the second drive assembly 60, so that the water sprayed by the brine spray assembly 20 can be precipitated upwards. The high-salt water sprayed into the flash evaporation chamber 10 by the spray component 20 is in a rotating state, thereby increasing the contact effect between the high-salt water and the high-temperature steam and improving the treatment effect of the high-salt water. Furthermore, the first drive component 50 drives the mesh baffle component 40 to move up and down, so that the high-temperature steam sprayed from the steam spray pipe 30 can act on different areas of the mesh baffle component 40, thereby blowing the salt-containing crystal particles that float with the high-temperature steam to different positions at the bottom of the mesh baffle component 40, thereby improving the baffle component 40's baffle efficiency for the salt-containing crystal particles. As the high-temperature steam blows the salt-containing crystal particles to different positions at the bottom of the mesh baffle component 40, the salt-containing crystal particles that were previously blown to the bottom of the mesh baffle component 40 lose the subsequent blowing power and can fall down on their own and be collected at the bottom of the inner side of the flash evaporation chamber 10, realizing the automatic collection of salt-containing crystal particles.

[0046] Please see Figure 2 In one embodiment, the brine spray assembly 20 includes a first brine spray pipe 201, a second brine spray pipe 202, and a brine nozzle 203. One end of the first brine spray pipe 201 is connected to an external pump group (not shown in the figure), and the other end extends from the top of the flash evaporation chamber 10 into the interior of the flash evaporation chamber 10 and is fixedly connected to the flash evaporation chamber 10. The second brine spray pipe 202 is disposed inside the flash evaporation chamber 10. The upper end of the second brine spray pipe 202 is connected to the first brine spray pipe 201 through a rotary joint, and the lower end is connected to the brine nozzle 203.

[0047] The high-salt water is pumped from the first salt water nozzle 201 into the second salt water nozzle 202 by an external pump set, and then enters the salt water nozzle 203 from the second salt water nozzle 202. Finally, the high-salt water is sprayed out in a cone shape by the salt water nozzle 203.

[0048] Please see Figure 2In one embodiment, one end of the steam spray pipe 30 is connected to an external steam generator, and the other end extends from the bottom of the flash evaporation chamber 10 into the interior of the flash evaporation chamber 10 and is connected to a steam nozzle 301.

[0049] The external steam generator sends the generated high-temperature steam from the steam spray pipe 30 into the steam nozzle 301, and then the steam nozzle 301 sprays out in a cone shape. The high-temperature steam in the cone shape moves upward along the inside of the flash chamber 10 and then meets the high-salt water in the cone shape, causing the high-salt water to produce violent flash crystallization.

[0050] Please see Figure 3 In one embodiment, the second drive assembly 60 includes a motor 601, a rotating shaft 602, a drive gear 603, and a transmission gear 604. The motor 601 is fixedly installed on the inner top wall of the flash evaporation chamber 10. One end of the rotating shaft 602 is connected to the output end of the motor 601, and the other end is connected to the drive gear 603. The transmission gear 604 is fixedly installed on the outer wall of the second brine spray pipe 202 and meshes with the drive gear 603.

[0051] The motor 601 drives the rotating shaft 602 to rotate, which in turn drives the drive gear 603 to rotate. The meshing action of the drive gear 603 and the transmission gear 604 drives the second brine nozzle 202 to rotate relative to the first brine nozzle 201. When the second brine nozzle 202 rotates, it drives the brine nozzle 203 to rotate, which causes the high brine sprayed through the brine nozzle 203 to be in a rotating state, thereby increasing the contact effect between the high brine and the rising steam and improving the flash crystallization effect of the high brine.

[0052] Please see Figure 2 , Figure 3 as well as Figure 4 In one embodiment, the mesh partition assembly 40 includes an outer ring plate 401, a partition net 402, and a central plate 403. The outer ring plate 401 is installed on the inner wall of the flash evaporation chamber 10, the central plate 403 is disposed inside the outer ring plate 401, the partition net 402 is fixedly installed between the outer ring plate 401 and the central plate 403, and the second brine spray pipe 202 vertically penetrates the central plate 403.

[0053] Since the second brine nozzle 202 vertically penetrates the central plate 403, the brine nozzle 203 is located below the partition net 402. When the high brine is sprayed out through the brine nozzle 203, it comes into contact with the rising high-temperature steam, causing the high brine to flash crystallize rapidly. The fine salt particles generated during crystallization will float up with the subsequent rising high-temperature steam. The rising salt particles act on the bottom of the partition net 402 and are blocked by the partition net 402 to prevent the high-temperature steam from carrying the salt particles out of the flash chamber 10.

[0054] Please see Figure 2 , Figure 3 , Figure 4 , Figure 5 as well as Figure 7 In one embodiment, a column 404 is inserted and fixedly disposed inside the central plate 403. A spiral groove 405 is formed on the inner wall of the column 404. The second brine spray pipe 202 passes through the inside of the column 404. A recess 205 is formed on the outer wall of the second brine spray pipe 202. A lever 207 is movably disposed inside the recess 205. A first elastic element 206 is disposed inside the recess 205, providing elastic support for the lever 207. The lever 207 is located outside the recess 205. One end of the first drive assembly 50 extends into the spiral groove 405. The first drive assembly 50 includes a support rod 501, a support ring plate 502, and a second elastic element 503. The support ring plate 502 is sleeved on the outside of the second brine spray pipe 202. One end of the support rod 501 is fixedly connected to the inner wall of the flash evaporation chamber 10, and the other end is fixedly connected to the support ring plate 502. One end of the second elastic element 503 is connected to the support ring plate 502, and the other end is connected to the center plate 403, which provides elastic support for the center plate 403.

[0055] Initially, the lever 207 extends into the bottom of the spiral groove 405 under the support of the first elastic element 206. When the motor 601 drives the rotating shaft 602 to rotate, thereby driving the second brine spray pipe 202 to rotate, the second brine spray pipe 202 drives the lever 207 to rotate synchronously. When the lever 207 rotates, it pushes the column cylinder 404 through its cooperation with the spiral groove 407, causing the column cylinder 404, the center plate 403, the partition net 402, and the outer ring plate 401 to move upward as a whole. The second elastic element 503 is compressed by force. When the lever 207 slides to the upper end of the spiral groove 407, it can slide out from inside the spiral groove 407. At this time, the second elastic element 503 pushes the center plate 403, thereby driving the center plate 403, the partition net 402, the outer ring plate 401, and the column cylinder 404 to move upward as a whole. The cylinder 404 moves downward as a whole, and the lever 207 retracts into the recess 205, so that the first elastic element 206 is in a compressed state. When the cylinder 404 moves down to the initial position, the lever 207, supported by the first elastic element 206, re-extends into the bottom of the inner side of the spiral groove 405, thereby driving the cylinder 404, the central plate 403, the partition net 402, and the outer ring plate 401 to move upward again. This cycle repeats, enabling the partition net 402 to move up and down repeatedly, so that the high-temperature steam sprayed from the steam spray pipe 30 acts on different areas at the bottom of the partition net 402, realizing the effective use of the partition net 402. At the same time, it allows the salt-containing crystal particles blocked at the bottom of the partition net 402 to fall down on their own, realizing the convenient collection of the salt-containing crystal particles.

[0056] In one embodiment, the first elastic element 206 and the second elastic element 503 can be springs or metal sheets, and there is no limitation here.

[0057] Please see Figure 2 as well as Figure 4 In one embodiment, the inner wall of the flash chamber 10 is fixedly provided with vertically distributed guide rails 103, and the outer wall of the outer ring plate 401 is provided with guide rail grooves 406 that cooperate with the guide rails 103.

[0058] The outer wall of the outer ring plate 401 slides with the guide rail 103 through the guide rail groove 406, thereby providing guidance for the up-and-down movement of the partition mesh 402 along the inside of the flash chamber 10, so as to ensure the stability of the partition mesh 402 when it moves up and down.

[0059] Please see Figure 3 In one embodiment, a scraping component 70 is also provided at the bottom of the mesh 402. The scraping component 70 is used to scrape off the salt-containing crystalline particles blocked at the bottom of the mesh 402, thereby improving the cleaning effect of the salt-containing crystalline particles at the bottom of the mesh 402.

[0060] Please see Figure 3 as well as Figure 6 In one embodiment, the outer wall of the second brine spray pipe 202 is fixedly provided with vertically distributed keys 204. The scraping assembly 70 includes scraper blades 701, bearings 702, connecting rods 703, and sliding sleeves 704. The inner wall of the sliding sleeve 704 is provided with a keyway (not shown in the figure). The sliding sleeve 704 is movably sleeved on the outside of the second brine spray pipe 202 and provides a keyway to cooperate with the keys 204. The bearings 702 are installed on the outside of the column cylinder 404. Several sets of scraper blades 701 are provided. Several scraper blades 701 are fixedly arranged on the outside of the bearings 702. Several scraper blades 701 are attached to the bottom of the partition net 402. One end of the connecting rod 703 is fixedly connected to the sliding sleeve 704, and the other end is fixedly connected to the scraper blades 701.

[0061] When the motor 601 drives the second brine spray pipe 202 to rotate, the key 204 and the keyway work together to drive the sliding sleeve 704 to rotate synchronously with the second brine spray pipe 202. When the sliding sleeve 704 rotates, it drives the scraper 701 to rotate against the bottom of the partition screen 402 through the connecting rod 703, thereby scraping off the salt-containing crystal particles blocked at the bottom of the partition screen 402, achieving further cleaning of the salt-containing crystal particles. The scraped salt-containing crystal particles fall to the bottom of the inner side of the flash evaporation chamber 10; the above-mentioned motor 601 drives the second brine spray pipe 202 to rotate. When rotating, due to the cooperation between the push block 207 and the second elastic element 503, the outer ring plate 401, the partition net 402, the center plate 403 and the column cylinder 404 move up and down. When the column cylinder 404 moves up and down, it drives the scraper 701, the connecting rod 703 and the sliding sleeve 704 to move up and down synchronously through the bearing 702. Therefore, the scraper 701 can move up and down synchronously with the partition net 402, and the scraper 701 itself rotates, thereby achieving efficient scraping of salt crystal particles at the bottom of the partition net 402.

[0062] Please see Figure 1 In one embodiment, the flash evaporator 10 is provided with an exhaust pipe 101 at the top, and a cleaning port is provided at the lower part of the side wall of the flash evaporator 101, with a sealing door 102 provided inside the cleaning port.

[0063] After the high-temperature steam reacts with the high-salt water, it can pass through the mesh 402 and be discharged from the exhaust pipe 101. After the high-salt water treatment is completed, the sealing door 102 can be opened to clean and discharge the salt-containing crystal particles that have fallen to the bottom of the flash chamber 10.

[0064] The working principle of this invention is as follows:

[0065] The external pump set and external steam generator are started. The external pump set pumps high-salt water through the first brine nozzle 201 to the inside of the second brine nozzle 202, and then from the second brine nozzle 202 into the inside of the brine nozzle 203. Finally, the brine nozzle 203 sprays the brine into the flash evaporation chamber 10 in a cone shape. The external steam generator delivers the generated high-temperature steam from the steam spray pipe 30 to the steam nozzle 301, and then the steam nozzle sprays the high-temperature steam into the flash evaporation chamber 10 in a cone shape. The high-salt water and the high-temperature steam in the cone shape come into contact inside the flash evaporation chamber 10. The water in the high-salt water evaporates rapidly, thereby precipitating fine salt-containing crystal particles. The fine salt-containing crystal particles are blocked at the bottom of the partition 402 by the subsequent buoyancy of the high-temperature steam. The high-temperature steam passes through the partition 402 and is discharged from the exhaust pipe 101.

[0066] In this embodiment of the invention, when treating high-salinity water, an external pump unit can be used to spray high-salinity water from the brine spray assembly 20 into the flash evaporation chamber 10. After entering the flash evaporation chamber 10, the high-salinity water is sprayed downwards in a cone shape. Simultaneously, high-temperature steam generated by an external steam generator is sprayed into the flash evaporation chamber 10 from the steam spray pipe 30. After spraying the flash evaporation chamber 10, the high-temperature steam is sprayed upwards in a cone shape, interacting with the downward-spraying high-salinity water. This causes the water in the high-salinity water to evaporate rapidly and precipitate fine salt-containing crystal particles. As the high-temperature steam continues to rise, the salt-containing crystal particles are blocked by the mesh baffle assembly 40, causing them to remain at the bottom of the mesh baffle assembly 40, preventing the high-temperature steam from carrying some fine salt-containing crystal particles out of the flash evaporation chamber. During the above process, the second drive assembly 60 drives the brine spray assembly 20 to rotate, causing the high-salinity water sprayed into the flash evaporation chamber 10 through the brine spray assembly 20 to rotate, thereby increasing the... The contact effect between high-salt water and high-temperature steam improves the treatment effect of high-salt water. Furthermore, the first driving component 50 drives the mesh baffle component 40 to move up and down, allowing the high-temperature steam ejected from the steam spray pipe 30 to act on different areas of the mesh baffle component 40. This blows the salt-containing crystal particles that rise with the high-temperature steam to different positions at the bottom of the mesh baffle component 40, thereby improving the baffle component 40's efficiency in blocking the salt-containing crystal particles. As the high-temperature steam blows the salt-containing crystal particles to different positions at the bottom of the mesh baffle component 40, the salt-containing crystal particles previously blown to the bottom of the mesh baffle component 40 lose subsequent blowing power and can fall down on their own and be collected at the bottom of the flash chamber 10, achieving automatic collection of salt-containing crystal particles. Compared with existing technologies, this effectively prevents the high-temperature steam from carrying a small amount of fine salt-containing crystal particles out of the flash chamber 10, avoiding the loss of salt-containing crystal particles and improving the collection efficiency of salt-containing crystals.

[0067] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention, and no reference numerals in the claims should be construed as limiting the scope of the claims.

[0068] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity, and those skilled in the art should consider the specification as a whole.

Claims

1. A high-salinity water and superheated steam vacuum spray flash evaporation apparatus, characterized by, The flash tank includes a flash tank body, a saltwater spraying assembly, a steam spraying pipe, a mesh barrier assembly, a first driving assembly and a second driving assembly, The saltwater spraying assembly extends from the top of the flash tank body to the inside of the flash tank body, for spraying high-salt water into the inside of the flash tank body in a conical manner, The steam spraying pipe extends from the bottom of the flash tank body to the inside of the flash tank body, for spraying high-temperature steam into the inside of the flash tank body in a conical manner, The mesh barrier assembly is arranged in the inside of the flash tank body, for blocking salt-containing crystalline particles floating with steam, The first driving assembly and the second driving assembly are installed on the inner wall of the flash tank body, and the second driving assembly is used for driving the saltwater spraying assembly to rotate, The first driving assembly is used for driving the mesh barrier assembly to move up and down, so that the high-temperature steam sprayed from the steam spraying pipe can act on different areas of the mesh barrier assembly, The saltwater spraying assembly includes a first saltwater spraying pipe, a second saltwater spraying pipe and a saltwater spraying head, One end of the first saltwater spraying pipe is connected with an external pump group, and the other end extends from the top of the flash tank body to the inside of the flash tank body and is fixedly connected with the flash tank body, the second saltwater spraying pipe is arranged in the inside of the flash tank body, the upper end of the second saltwater spraying pipe is connected with the first saltwater spraying pipe through a rotary joint, and the lower end is connected with the saltwater spraying head, One end of the steam spraying pipe is connected with an external steam generator, and the other end extends from the bottom of the flash tank body to the inside of the flash tank body and is connected with a steam spraying head, The second driving assembly includes a motor, a rotating shaft, a driving gear and a transmission gear, The motor is fixedly installed on the inner side top wall of the flash tank body, one end of the rotating shaft is connected with the output end of the motor, and the other end is connected with the driving gear, and the transmission gear is fixedly arranged on the outer wall of the second saltwater spraying pipe and is engaged with the driving gear, The mesh barrier assembly includes an outer ring plate, a mesh and a center plate, The outer ring plate is installed on the inner wall of the flash tank body, the center plate is arranged on the inner side of the outer ring plate, the mesh is fixedly installed between the outer ring plate and the center plate, and the second saltwater spraying pipe vertically penetrates the center plate, A cylinder is arranged in the inside of the center plate and is fixedly arranged, a helical groove is formed in the inner wall of the cylinder, and the second saltwater spraying pipe penetrates the inside of the cylinder, A recess is formed in the outer wall of the second saltwater spraying pipe, a knob is movably arranged in the recess, a first elastic member is arranged in the recess, the first elastic member is used for providing elastic support for the knob, and one end of the knob outside the recess extends into the helical groove, The first driving assembly includes a support rod, a support ring plate and a second elastic member, The support ring plate is sleeved outside the second saltwater spraying pipe, one end of the support rod is fixedly connected with the inner wall of the flash tank body, and the other end is fixedly connected with the support ring plate, one end of the second elastic member is connected with the support ring plate, and the other end is connected with the center plate, and the second elastic member is used for providing elastic support for the center plate.

2. A high-salinity water and superheated steam vacuum spray flash evaporation apparatus according to claim 1, characterized in that, The first elastic member and the second elastic member are springs or metal elastic sheets.

3. A high-salinity water and superheated steam vacuum spray flash evaporation apparatus according to claim 1, characterized in that, The inner wall of the flash tank body is fixedly provided with vertically distributed guide rails, and the outer wall of the outer ring plate is provided with guide rail grooves matched with the guide rails.

4. A high-salinity water and superheated steam vacuum spray flash evaporation apparatus according to claim 1, characterized in that, The bottom of the screen is also provided with a scraping assembly for scraping the salt-containing crystalline particles blocked in the bottom of the screen.

5. A high-salinity water and superheated steam vacuum spray flash evaporation apparatus according to claim 4, characterized in that, The outer wall of the second salt water spray pipe is fixedly provided with vertically distributed keys, The scraping assembly comprises a scraping strip, a bearing, a connecting rod and a sliding sleeve, The inner wall of the sliding sleeve is provided with a key groove, the sliding sleeve is movably sleeved on the outside of the second salt water spray pipe and is matched with the keys through the key groove, the bearing is installed on the outside of the cylinder, the scraping strip is provided with a plurality of groups, the plurality of scraping strips are fixedly arranged on the outside of the bearing, the plurality of scraping strips are attached to the bottom of the screen, one end of the connecting rod is fixedly connected with the sliding sleeve, and the other end is fixedly connected with the scraping strip.

6. A high-salinity water and superheated steam vacuum spray flash evaporation apparatus according to claim 1, characterized in that, The top of the flash tank body is provided with an exhaust pipe, the lower part of the side wall of the flash tank body is provided with a cleaning port, and the cleaning port is provided with a sealing door.

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