High-salt organic wastewater treatment device and treatment method based on efficient crystallization desalting

Abstract

The application discloses a kind of based on efficient crystallization desalination high-salinity organic wastewater treatment device and processing method, including heating tank and intercommunication condensing tank, the heating tank specifically includes tank body, inlet pipe, drain pipe, heating jacket, gas inlet pipe, gas outlet pipe and descaling component, the tank body outer circumferential outer wall is fixedly provided with heating jacket, and the outer wall of heating jacket is fixedly connected with gas inlet pipe, the top of the heating tank is fixedly connected with gas outlet pipe, the inside of the tank body is additionally provided with descaling component.The application is directed to the evaporation treatment of high-salinity wastewater in the prior art, the heating tank is heated to wastewater, which can cause the heating tank to scale and affect the heating effect, thereby reducing the wastewater treatment efficiency and other problems.The application has the advantages of using the steam generated during heating as power to descale the inner wall of the heating tank, which can avoid the problem of a large amount of scaling on the inner wall of the heating tank affecting the heating effect.

Description

Technical Field

[0001] This invention relates to the field of high-salt organic wastewater treatment technology, and in particular to a high-salt organic wastewater treatment device and method based on efficient crystallization desalination. Background Technology

[0002] With the rapid development of industry and the rapid growth of population, the discharge of high-salinity wastewater has increased. High-salinity wastewater mainly comes from industries such as domestic water supply, food processing, metallurgy, chemical industry, and oil and gas extraction. If high-salinity wastewater is directly discharged into water bodies, it will cause varying degrees of harm to aquatic organisms, domestic water, and industrial and agricultural water. In addition, the high salt concentration will also inhibit the growth of microorganisms that treat organic wastewater. Therefore, the treatment of high-salinity wastewater is of great significance. Common desalination methods for treating high-salinity wastewater are physical methods, chemical methods, and biological methods. Among them, physical methods include thermal separation and membrane separation. The most commonly used treatment method is thermal separation, which is evaporation desalination. Evaporation crystallization desalination is the most economical and effective feasible method.

[0003] In existing technologies, when desalinating high-salinity wastewater through evaporation and crystallization, the wastewater is typically heated by a heater. After heating, the wastewater generates steam, which then desalinates the wastewater. However, during heating, the wastewater becomes concentrated, leading to crystal formation that accumulates on the inner wall of the heating tank. This results in a thickening of the inner wall, reducing heat transfer efficiency and impacting the heating effect, ultimately affecting wastewater treatment efficiency. Therefore, a wastewater evaporation device capable of descaling the heating tank is needed, and automatic descaling is required to improve efficiency.

[0004] To address the above technical problems, this invention discloses a high-salt organic wastewater treatment device and method based on efficient crystallization desalination. This invention has the advantages of using the steam generated during the heating process of the heating tank as power to descale the inner wall of the heating tank, thereby avoiding the large amount of scale buildup on the inner wall of the heating tank that would affect the heating effect. It also has the advantages of automatic descaling during the heating process and the recovery and reuse of the steam generated during heating, which is more energy-efficient. Summary of the Invention

[0005] The purpose of this invention is to overcome the shortcomings of the prior art and provide a high-salt organic wastewater treatment device and method based on efficient crystallization desalination. This invention solves the technical problem in the prior art where heating the wastewater in the heating tank during evaporation treatment of high-salt wastewater causes scaling in the heating tank, affecting the heating effect and reducing the wastewater treatment efficiency. This invention has the advantages of using the steam generated during the heating process to descale the inner wall of the heating tank, thereby avoiding large-scale scaling on the inner wall of the heating tank that affects the heating effect. It also has the advantages of automatic descaling during the heating process and the recovery and reuse of the steam generated during heating, which is more energy-efficient.

[0006] This invention is achieved through the following technical solution: This invention discloses a high-salt organic wastewater treatment device based on efficient crystallization desalination, including a heating tank and a condensing tank that are interconnected. The heating tank specifically includes a tank body, an inlet pipe, a drain pipe, a heating jacket, an air inlet pipe, an air outlet pipe, and a descaling component. The bottom side wall of the tank body is fixedly connected to the inlet pipe, and the bottom end of the tank body is fixedly connected to the drain pipe. The outer circumference of the tank body is fixedly provided with a heating jacket, and the outer wall of the heating jacket is fixedly connected to the air inlet pipe. The top of the heating tank is fixedly connected to the air outlet pipe, and the condensing tank and the heating tank are connected through the air outlet pipe. The inside of the tank body is also provided with a descaling component.

[0007] The descaling assembly specifically includes a desalination scraper and a connecting rod. At least two desalination scrapers are provided. The desalination scrapers are arranged longitudinally inside the tank, and two adjacent desalination scrapers are connected by a connecting rod. The outer circumference of the desalination scraper is in contact with the inner wall of the tank.

[0008] A steam-driven assembly is installed above the interior of the tank. The steam-driven assembly includes a central column, a reference plate, a first venting groove, and a venting component. The central column is located above the interior of the tank, and a limit rod is fixedly installed inside the tank. The sliding groove of the central column is slidably sleeved on the outside of the limit rod. The reference plate is fixedly sleeved on the outer wall of the central column, and the outer circumference of the reference plate is slidably sealed to the inner wall of the tank. The reference plate is located above the desalination scraper, and the bottom end of the reference plate is connected to the desalination scraper through a fixed rod. The first venting groove is opened inside the reference plate, and the opening and closing of the first venting groove is controlled by the venting component.

[0009] Furthermore, the desalination scraper is annular, and both the central column and the sliding groove are polygonal.

[0010] Furthermore, a limiting ring is fixedly installed on the top inner wall of the tank, and the limiting ring is located below the reference plate and above the desalination scraper. The position of the limiting ring is higher than the highest water level of the wastewater inside the tank.

[0011] Furthermore, the reference plate has multiple first vent slots inside, and the first vent slots penetrate the upper and lower end faces of the reference plate. The first vent slots are arranged in a ring array inside the reference plate.

[0012] Furthermore, the ventilation assembly includes a control disc, a second ventilation slot, and a triggering component. The control disc is rotatably sleeved on the outside of the central column and is located above the reference disc. The lower end face of the control disc is in contact with and slidably fitted with the upper end face of the reference disc. The control disc has a second ventilation slot inside, which is arranged in a circular array. The rotation of the control disc is controlled by the triggering component.

[0013] Furthermore, the triggering component is configured such that when the reference plate moves up to the top of the tank, the triggering component rotates the control plate until the second venting groove overlaps and connects with the first venting groove vertically; when the reference plate moves to the limiting ring, the triggering component rotates the control plate until the second venting groove is vertically offset from the first venting groove.

[0014] Furthermore, the triggering component includes a control rod and a control slot. The control rod is fixedly disposed on the outer circumference of the control panel, and the control slot is formed on the inner wall of the tank, with the control rod inserted into the inside of the control slot.

[0015] Furthermore, the control groove is set as a closed loop groove in the shape of a parallelogram, and the control groove is arranged longitudinally. The two long sides of the control groove are longitudinal sliding parts, the hypotenuses of the control groove are arranged laterally, and the hypotenuses are control sliding parts. The intersection of the longitudinal sliding parts of the control groove and the control sliding parts is smoothly transitioned by an arc.

[0016] A treatment method for high-salt organic wastewater based on a high-efficiency crystallization desalination device includes the following steps:

[0017] Step 1: Drain the wastewater into the heating tank through the inlet pipe;

[0018] Step 2: The heating steam is discharged into the heating jacket through the air inlet pipe. The high-temperature steam heats the high-salt wastewater inside the tank, causing the high-salt wastewater inside the tank to boil and generate steam.

[0019] Step 3: The high-salt wastewater inside the tank boils and generates steam. The accumulated steam pushes the reference plate upward, causing it to move upward. The upward movement of the reference plate drives the desalination scraper to move upward, and the desalination scraper scrapes the inner wall of the tank to remove scale.

[0020] Step 4: When the reference plate rises, the control rod is located inside the control slot and moves upward with the longitudinal sliding part of the control slot. When the control rod moves to the intersection of the longitudinal sliding part and the control sliding part, the control rod will move into the control sliding part of the control slot as the reference plate continues to move upward. The control rod will move laterally with the control sliding part of the control slot, thereby causing the control plate to rotate. The rotation of the control plate connects the first vent slot and the second vent slot, thereby opening the first vent slot, allowing steam to be discharged through the first vent slot, rise and enter the vent pipe, and then enter the condenser for condensation through the vent pipe.

[0021] Step 5: When the first vent is opened, the steam passing through the first vent cannot push the reference plate upward, so the reference plate can move downward by its own weight and the weight of the desalination scraper. The reference plate can move downward to the limit ring by its own weight. When the reference plate falls to contact the limit ring, the control rod can move laterally through the control sliding part at the bottom of the control slot, so that the control plate rotates and resets the control plate. This makes the first vent and the second vent collide vertically and close the first vent. The steam can then continue to push the reference plate upward, thus performing automatic circulation descaling.

[0022] Step Six: The concentrated wastewater treated in the heating tank is discharged through the drain pipe, and the treated water after steam condensation in the condenser is discharged, thus completing the wastewater treatment.

[0023] The present invention has the following advantages:

[0024] This invention, by incorporating a descaling component, allows for the desalination of high-salt wastewater inside the heating tank through heating, evaporation, crystallization, and demineralization. As the wastewater boils and generates steam, the upward movement of steam pushes a reference plate upwards. This upward movement of the reference plate, via a fixed rod, causes the desalination scraper to move upwards, thereby scraping away crystals and scale from the inner wall of the tank. This allows for automatic descaling and utilizes the steam generated from heating the high-salt wastewater, eliminating the need for other driving energy sources and making the descaling process more energy-efficient. Furthermore, through the first... The design of the venting groove and venting assembly allows the triggering component to rotate the control panel so that the second venting groove overlaps with the first venting groove when the reference plate moves to the top of the tank. This opens the first venting groove, allowing the reference plate to ventilate and thus steam can be discharged upwards through the first venting groove. The reference plate will then move downwards due to its own weight. When the reference plate moves to the limit ring, the triggering component rotates the control panel so that the second venting groove is offset from the first venting groove, closing the first venting groove and preventing steam from being discharged. The steam can then continue to move the reference plate upwards, thus allowing the descaling process to continue in a cyclical manner. Attached Figure Description

[0025] Figure 1This is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 This is a schematic diagram of the internal structure of the heating tank of the present invention;

[0027] Figure 3 For the present invention Figure 2 A magnified schematic diagram of the structure at point A;

[0028] Figure 4 This is a schematic diagram of the internal limiting ring structure of the heating tank of the present invention;

[0029] Figure 5 This is a schematic diagram of the disassembled state structure of the control panel and the reference panel of the present invention;

[0030] Figure 6 For the present invention Figure 4 A magnified schematic diagram of the structure at point B.

[0031] In the diagram: 1. Heating tank; 2. Condensing tank; 3. Steam drive assembly; 4. Limiting rod; 5. Tripod; 6. Sliding groove; 7. Sealing ring; 8. Limiting ring; 9. Snap ring; 10. Snap groove; 101. Tank body; 102. Liquid inlet pipe; 103. Liquid outlet pipe; 104. Heating jacket; 105. Air inlet pipe; 106. Air outlet pipe; 107. Descaling assembly; 1071. Desalination scraper; 1072. Connecting rod; 31. Central column; 32. Reference plate; 33. First venting groove; 34. Venting assembly; 341. Control plate; 342. Second venting groove; 343. Trigger assembly; 3431. Control rod; 3432. Control groove; 34321. Longitudinal sliding part; 34322. Control sliding part. Implementation

[0032] The embodiments of the present invention are described in detail below. These embodiments are implemented based on the technical solution of the present invention, and provide detailed implementation methods and specific operation processes. However, the scope of protection of the present invention is not limited to the following embodiments. In the description of the present invention, words such as "front", "rear", "left", and "right" that indicate orientation or positional relationship are only for the convenience of describing the present 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 the present invention. Example

[0033] Example 1 discloses a high-salt organic wastewater treatment device based on efficient crystallization desalination, such as... Figures 1-6As shown, the system includes a heating tank 1 and a condenser tank 2 connected to each other. The heating tank 1 is used to store high-salt wastewater and heats the wastewater inside, causing it to evaporate. The evaporated steam enters the condenser tank 2 through a connecting pipe, where the water in the steam undergoes gas-liquid separation through condensation.

[0034] The heating tank 1 specifically includes a tank body 101, an inlet pipe 102, a drain pipe 103, a heating jacket 104, an air inlet pipe 105, an air outlet pipe 106, and a descaling assembly 107. The tank body 101 is cylindrical, and the inlet pipe 102 is fixedly connected to the bottom side wall of the tank body 101, communicating with the interior of the tank body 101. High-salt wastewater can be added into the tank body 101 through the inlet pipe 102. The bottom end of the tank body 101 is conical, and the drain pipe 103 is fixedly connected to the bottom end. Unit 103 is used to discharge concentrated wastewater. A heating jacket 104 is fixedly installed on the outer circumference of the tank body 101. The heating jacket 104 is also cylindrical, and an air inlet pipe 105 is fixedly connected to its outer wall. The interior of the air inlet pipe 105 communicates with the interior of the heating jacket 104, allowing high-temperature steam or hot oil to be discharged into the heating jacket 104 through the air inlet pipe 105 when heating of the wastewater inside the tank body 101 is required. This heats the high-salt wastewater inside the tank body 101, thus heating the tank body 101. The high-salt wastewater inside tank 101 boils and evaporates. Additionally, a vent pipe 106 is fixedly connected to the top of heating tank 1, and the other end of vent pipe 106 is connected to the top of condenser tank 2. The vent pipe 106 connects the interior of heating tank 1 and condenser tank 2. Therefore, when the high-salt wastewater inside tank 101 is heated and boils, the evaporated steam flows upwards inside tank 101 and enters condenser tank 2 through vent pipe 106 for condensation, thereby crystallizing and desalinizing the salt in the wastewater. Because the high-salt wastewater inside tank 101... When high-salinity wastewater is heated, the salt in the wastewater will crystallize, causing the crystallized salt to adhere to the inner wall of the tank 101. During operation, a large amount of scale will form on the inner wall of the tank 101, which will reduce the heat exchange effect of the tank 101 and affect the heating efficiency of the high-salinity wastewater, thus affecting the desalination efficiency of the high-salinity wastewater. Therefore, a descaling component 107 is also installed inside the tank 101 to descale the inner wall of the tank 101 and prevent a large amount of scale from forming on the inner wall of the tank 101.

[0035] The descaling component 107 specifically includes a desalination scraper 1071 and a connecting rod 1072. At least two desalination scrapers 1071 are provided, and multiple desalination scrapers 1071 are arranged longitudinally inside the tank 101. Two adjacent desalination scrapers 1071 are fixedly connected by the connecting rod 1072. The desalination scraper 1071 is specifically an annular plate with a hollowed-out middle part, so that the desalination scraper 1071 experiences less resistance when moving up and down in the wastewater. In addition, the outer circumference of the desalination scraper 1071 fits and slides against the inner wall of the tank 101. Therefore, by moving the desalination scraper 1071 up and down, the outer wall of the desalination scraper 1071 can scrape away the scale and crystals on the inner wall of the tank 101, thereby descaling the inner wall of the tank 101.

[0036] To facilitate descaling of the tank 101, a steam drive assembly 3 is installed at the top inside the tank 101. This assembly drives the descaling scraper 1071, enabling automatic descaling. The steam-driven configuration makes the movement of the descaling scraper 1071 more energy-efficient. Specifically, the steam drive assembly 3 includes a central column 31, a reference plate 32, a first venting groove 33, and a venting assembly 34. The central column 31 is located at the top inside the tank 101 and is concentric with the tank 101. A limit rod 4 is also installed inside the tank 101 and is fixed to the tank 101 by a tripod 5. Inside tank 101, tripod 5 is fixedly connected to the bottom inner wall of tank 101. A sliding groove 6 is provided at the center of the central column 31. The central column 31 is slidably fitted onto the outside of the limiting rod 4 via the sliding groove 6. It should be noted that, to prevent the central column 31 from rotating outside the limiting rod 4, both the central column 31 and the sliding groove 6 are polygonal, thus preventing the central column 31 from rotating on the outer wall of the limiting rod 4. A reference plate 32 is fixedly fitted onto the outer wall of the central column 31. The reference plate 32 is a circular plate, and a sealing ring 7 is provided on the outer circumference of the reference plate 32. The sealing ring 7 allows the outer wall of the reference plate 32 to slide and seal against the inner wall of tank 101, thereby preventing the steam inside tank 101 from... When flowing upwards, the steam cannot rise between the outer circumference of the reference plate 32 and the inner wall of the tank 101. The steam will only push the reference plate 32 upwards. Furthermore, it should be noted that the reference plate 32 is located above the desalination scraper 1071, and the bottom end of the reference plate 32 is connected to the top wall of the first desalination scraper 1071 inside the tank 101 via a fixing rod. Therefore, when the high-salt wastewater inside the tank 101 boils and generates steam, due to the upward movement of steam, the steam can push the reference plate 32 upwards, causing it to move upwards. This upward movement of the reference plate 32 will then drive the desalination scraper 1071 upwards via the fixing rod, thus causing the desalination scraper 1071 to move upwards within the tank 101. The crystals and scale on the inner wall are scraped off, so that the descaling can be carried out automatically. The steam for heating high-salt wastewater is utilized, eliminating the need for other driving energy and making the descaling work more energy-efficient. When the reference plate 32 is moved upward by the steam, which drives the desalination scraper 1071 to move and descale the inner wall of the tank 101, the reference plate 32 will not fall down when it rises to the top due to the continuously rising steam. Therefore, the reference plate 32 can only move once each time the tank 101 is turned on for heating, so the descaling cannot be cyclical. Thus, a first venting groove 33 is provided inside the reference plate 32, and the opening and closing of the first venting groove 33 is controlled by the venting component 34.

[0037] In addition, a limiting ring 8 is fixedly installed on the top inner wall of the tank 101, and the limiting ring 8 is located below the reference plate 32 and above the desalination scraper 1071. The limiting ring 8 limits the reference plate 32, and the position of the limiting ring 8 is higher than the highest water level of the wastewater inside the tank 101, thereby preventing the reference plate 32 from entering the wastewater and being unable to rise by steam.

[0038] Specifically, the reference disk 32 has multiple first vent grooves 33 inside, and these first vent grooves 33 penetrate the upper and lower end faces of the reference disk 32. These multiple first vent grooves 33 are arranged in a circular array inside the reference disk 32. The venting assembly 34 includes a control disk 341, second vent grooves 342, and a trigger assembly 343. The control disk 341 is rotatably sleeved on the outside of the central column 31. Specifically, the control disk 341 is rotatably sleeved on the outside of the central column 31 via a slot 10 and a retaining ring 9. The control disk 341 is located above the reference disk 32, and its lower end face is in contact with and slides against the upper end face of the reference disk 32. The control disk 341 has second vent grooves 342 inside, and the number of second vent grooves 342 is the same as the number of first vent grooves 33. The ventilation slots 33 are identical, and multiple second ventilation slots 342 are arranged in a circular array. Therefore, by rotating the control disk 341, the second ventilation slots 342 and the first ventilation slot 33 are staggered vertically, thereby closing the first ventilation slot 33 and preventing steam from passing through it. As a result, the steam can push the reference disk 32 upward. When the control disk 341 is rotated until the second ventilation slot 342 and the first ventilation slot 33 overlap vertically, the first ventilation slot 33 and the second ventilation slot 342 are connected, the first ventilation slot 33 is opened, and the steam can pass through the first ventilation slot 33 and rise, thereby reducing the steam thrust on the reference disk 32. Therefore, the reference disk 32 can fall by its own gravity. The rotation of the control disk 341 is controlled by the trigger component 343.

[0039] Specifically, the trigger component 343 is configured such that when the reference plate 32 moves to the top of the tank 101, the trigger component 343 rotates the control plate 341 so that the second vent 342 overlaps with the first vent 33, thereby opening the first vent 33 and allowing the reference plate 32 to be ventilated. Steam can then be discharged upward through the first vent 33, and the reference plate 32 will move downward by its own weight. When the reference plate 32 moves to the limit ring 8, the trigger component 343 rotates the control plate 341 so that the second vent 342 is offset from the first vent 33, and the first vent 33 is closed, preventing steam from being discharged through the first vent 33. The steam can then continue to move the reference plate 32 upward.

[0040] More specifically, the trigger component 343 includes a control rod 3431 and a control groove 3432. The control rod 3431 is fixedly disposed on the outer circumference of the control disk 341, while the control groove 3432 is formed on the inner wall of the tank 101, and the control rod 3431 is inserted into the inside of the control groove 3432. The control groove 3432 is a closed-loop rectangular groove, specifically a parallelogram closed-loop groove, and is arranged longitudinally. The two long sides of the control groove 3432 are longitudinal sliding parts 34321. The longitudinal sliding parts 34321 of the control groove 3432 are used to control the vertical movement of the rod 3431, so that when the reference disk 32 moves up and down, the control rod 3431 moves longitudinally within the longitudinal sliding parts 34321. The linear movement keeps the control disk 341 fixed and prevents rotation. The two control slots 3432 have horizontally arranged hypotenuses, which form control sliding parts 34322. These sliding parts 34322 are used when the reference disk 32 moves up and down. When the control rod 3431 moves to the control sliding part 34322, it moves laterally along with the longitudinal movement of the reference disk 32. The intersection of the longitudinal sliding part 34321 and the control sliding part 34322 of the control slot 3432 is smoothly transitioned by an arc. When the reference disk 32 rises, the control rod 3431 is located inside the control slot 3432 and moves upward along the long side of the control slot 3432, i.e., the longitudinal sliding part 34321. When the control rod 3431 moves to the intersection of the longitudinal sliding part 34321 and the control sliding part... At the intersection of 34322, the control rod 3431 moves upward along with the reference plate 32 and enters the inclined groove of the control slot 3432. The control rod 3431 then moves laterally along the inclined groove of the control slot 3432, causing the control plate 341 to rotate. It should be noted that by adjusting the length of the control slot 3432, the angle at which the control rod 3431 rotates can be adjusted to open the first venting slot 33. Therefore, when the reference plate 32 rises to the top of the tank 101, the first venting slot 33 opens, allowing steam to escape through the first venting slot 33 and the second venting slot 342, thus reducing the steam thrust on the reference plate 32 and enabling the reference plate 32 to... The reference plate 32 moves downwards to the limiting ring 8 by its own weight. Similarly, when the reference plate 32 falls to the limiting ring 8, the control rod 3431 falls through the other straight edge of the control groove 3432, thus preventing the control plate 341 from rotating during the fall of the reference plate 32 and keeping the first vent groove 33 open. When the reference plate 32 contacts the limiting ring 8, the size of the control groove 3432 is adjusted so that when the reference plate 32 falls to contact the limiting ring 8, the control rod 3431 can move laterally through the inclined edge at the bottom of the control groove 3432, causing the control plate 341 to rotate and reset. This allows the first vent groove 33 and the second vent groove 342 to be staggered vertically and closed, allowing subsequent steam to continue pushing the reference plate 32 upwards.This allows for automatic descaling through a continuous circulation process.

[0041] A treatment method for high-salt organic wastewater based on a high-efficiency crystallization desalination device includes the following steps:

[0042] Step 1: Discharge the wastewater into the interior of the heating tank 1 through the inlet pipe 102;

[0043] Step 2: The heating steam is discharged into the heating jacket 104 through the air inlet pipe 105. The high-temperature steam heats the high-salt wastewater inside the tank 101, causing the high-salt wastewater inside the tank 101 to boil and generate steam.

[0044] Step 3: The high-salt wastewater inside the tank 101 boils and generates steam. The accumulated steam will push the reference plate 32 upward, causing the reference plate 32 to move upward. The upward movement of the reference plate 32 will drive the desalination scraper 1071 to move upward. The desalination scraper 1071 scrapes the inner wall of the tank 101, thereby removing scale.

[0045] Step 4: When the reference plate 32 rises, the control rod 3431 is located inside the control groove 3432 and moves upward along the long side of the control groove 3432. When the control rod 3431 moves to the intersection of the long side and the inclined side, the control rod 3431 will move into the inclined groove of the control groove 3432 as the reference plate 32 continues to move upward. The control rod 3431 will move laterally along the inclined groove of the control groove 3432, thereby causing the control plate 341 to rotate. The rotation of the control plate 341 connects the first vent groove 33 and the second vent groove 342, thereby opening the first vent groove 33, allowing steam to be discharged through the first vent groove 33, rise and enter the vent pipe 106, and enter the condenser 2 for condensation through the vent pipe 106.

[0046] Step 5: When the first vent 33 is opened, the steam passing through the first vent 33 cannot push the reference plate 32 upward, so the reference plate 32 can move downward by its own weight and the weight of the desalination scraper 1071. The reference plate 32 can move downward to the limit ring 8 by its own weight. When the reference plate 32 falls to contact the limit ring 8, the control rod 3431 can move laterally through the inclined side at the bottom of the control groove 3432, so that the control plate 341 rotates and resets the control plate 341. The first vent 33 and the second vent 342 are staggered and closed, and the steam can continue to push the reference plate 32 upward, so as to carry out automatic circulation descaling.

[0047] Step 6: The concentrated wastewater treated in heating tank 1 is discharged through drain pipe 103, and the treated water after steam condensation in condenser tank 2 is discharged, thus completing the wastewater treatment.

[0048] 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 in all respects as exemplary and non-limiting, 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. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A high-salt organic wastewater treatment device based on efficient crystallization desalination, comprising a heating tank (1) and a condensing tank (2) interconnected therewith, characterized in that, The heating tank (1) specifically includes a tank body (101), an inlet pipe (102), a drain pipe (103), a heating jacket (104), an air inlet pipe (105), an air outlet pipe (106), and a descaling component (107). The bottom side wall of the tank body (101) is fixedly connected to the inlet pipe (102), and the bottom end of the tank body (101) is fixedly connected to the drain pipe (103). The outer circumference of the tank body (101) is fixedly provided with the heating jacket (104), and the outer wall of the heating jacket (104) is fixedly connected to the air inlet pipe (105). The top of the heating tank (1) is fixedly connected to the air outlet pipe (106), and the condenser tank (2) and the heating tank (1) are connected through the air outlet pipe (106). The inside of the tank body (101) is also provided with a descaling component (107). The descaling assembly (107) specifically includes a desalination scraper (1071) and a connecting rod (1072). At least two desalination scrapers (1071) are provided. The desalination scrapers (1071) are arranged longitudinally inside the tank (101), and two adjacent desalination scrapers (1071) are connected by the connecting rod (1072). The outer circumference of the desalination scraper (1071) is in contact with the inner wall of the tank (101). A steam drive assembly (3) is provided above the interior of the tank body (101). The steam drive assembly (3) includes a central column (31), a reference plate (32), a first venting groove (33), and a venting assembly (34). The central column (31) is located above the interior of the tank body (101), and a limit rod (4) is also fixedly provided inside the tank body (101). The central column (31) is slidably sleeved on the outside of the limit rod (4) through a sliding groove (6). (31) has a reference plate (32) fixedly sleeved on its outer wall, and the outer circumferential outer wall of the reference plate (32) and the inner wall of the tank (101) are configured to slide seal. The reference plate (32) is located above the desalination scraper (1071), and the bottom end of the reference plate (32) is connected to the desalination scraper (1071) by a fixing rod. The reference plate (32) has a first ventilation groove (33) inside, and the opening and closing of the first ventilation groove (33) is controlled by the ventilation component (34). The ventilation assembly (34) includes a control disk (341), a second ventilation slot (342), and a trigger assembly (343). The control disk (341) is rotatably sleeved on the outside of the central column (31) and is located above the reference disk (32). The lower end face of the control disk (341) is in contact with and slidably fitted with the upper end face of the reference disk (32). The control disk (341) has a second ventilation slot (342) inside, which is arranged in a ring array. The rotation of the control disk (341) is controlled by the trigger assembly (343). The triggering component (343) is configured such that when the reference plate (32) moves up to the top inside the tank (101), the triggering component (343) rotates the control plate (341) so that the second venting groove (342) overlaps and communicates with the first venting groove (33) vertically; when the reference plate (32) moves to the limiting ring (8), the triggering component (343) rotates the control plate (341) so that the second venting groove (342) is vertically offset from the first venting groove (33). The triggering component (343) includes a control rod (3431) and a control groove (3432). The control rod (3431) is fixedly disposed on the outer circumference of the control disk (341). The control groove (3432) is opened on the inner wall of the tank (101), and the control rod (3431) is inserted into the inside of the control groove (3432).

2. The high-salt organic wastewater treatment device based on high-efficiency crystallization desalination as described in claim 1, characterized in that, The desalination scraper (1071) is annular, and the central column (31) and sliding groove (6) are both polygonal.

3. The high-salt organic wastewater treatment device based on efficient crystallization desalination as described in claim 2, characterized in that, A limiting ring (8) is fixedly installed on the top inner wall of the tank (101), and the limiting ring (8) is located below the reference plate (32) and above the desalination scraper (1071). The position of the limiting ring (8) is higher than the highest water level of the wastewater inside the tank (101).

4. The high-salt organic wastewater treatment device based on high-efficiency crystallization desalination as described in claim 3, characterized in that, The reference disk (32) has multiple first ventilation slots (33) inside, and the first ventilation slots (33) penetrate the upper and lower end faces of the reference disk (32). The first ventilation slots (33) are arranged in a ring array inside the reference disk (32).

5. The high-salt organic wastewater treatment device based on efficient crystallization desalination as described in claim 4, characterized in that, The control groove (3432) is configured as a closed loop groove in the shape of a parallelogram, and the control groove (3432) is arranged longitudinally. The two long sides of the control groove (3432) are longitudinal sliding parts (34321), and the hypotenuses of the control groove (3432) are arranged laterally, and the hypotenuses are control sliding parts (34322). The intersection of the longitudinal sliding parts (34321) and the control sliding parts (34322) of the control groove (3432) is smoothly transitioned by an arc.

6. A treatment method for high-salt organic wastewater based on a high-efficiency crystallization desalination device as described in claim 5, characterized in that, Includes the following steps: Step 1: Discharge the wastewater into the heating tank (1) through the inlet pipe (102); Step 2: The heating steam is discharged into the heating jacket (104) through the air inlet pipe (105). The high-temperature steam heats the high-salt wastewater inside the tank (101), causing the high-salt wastewater inside the tank (101) to boil and generate steam. Step 3: The high-salt wastewater inside the tank (101) boils and generates steam. The accumulated steam will push the reference plate (32) upward, causing the reference plate (32) to move upward. The upward movement of the reference plate (32) will drive the desalination scraper (1071) to move upward. The desalination scraper (1071) scrapes the inner wall of the tank (101) to remove scale. Step 4: When the reference plate (32) rises, the control rod (3431) is located inside the control groove (3432). As the longitudinal sliding part (34321) of the control groove (3432) moves upward, when the control rod (3431) moves to the intersection of the longitudinal sliding part (34321) and the control sliding part (34322), the control rod (3431) will move into the control sliding part (34322) of the control groove (3432) as the reference plate (32) continues to move upward. 431) As the control sliding part (34322) of the control slot (3432) moves laterally, the control rod (3431) will cause the control disk (341) to rotate. The rotation of the control disk (341) will connect the first vent slot (33) and the second vent slot (342), thereby opening the first vent slot (33), allowing steam to be discharged through the first vent slot (33), rise and enter the interior of the exhaust pipe (106), and enter the interior of the condenser (2) through the exhaust pipe (106) for condensation; Step 5: When the first venting groove (33) is opened, the steam passing through the first venting groove (33) cannot push the reference plate (32) upward, so the reference plate (32) moves downward by its own weight and the weight of the desalination scraper (1071), so that the reference plate (32) moves downward to the limiting ring (8) by its own weight. When the reference plate (32) falls to contact the limiting ring (8), the control rod (3431) moves horizontally through the control sliding part (34322) at the bottom of the control groove (3432), so that the control plate (341) rotates, thereby resetting the control plate (341), so that the first venting groove (33) and the second venting groove (342) are staggered and closed. The steam continues to push the reference plate (32) upward, thereby performing automatic circulation descaling. Step 6: The concentrated wastewater treated in the heating tank (1) is discharged through the drain pipe (103), and the treated water after steam condensation in the condenser tank (2) is discharged, thus completing the wastewater treatment.

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