An efficient wastewater evaporation system and method with rapid heat exchange through saturated steam

Abstract

The present invention relates to the technical field of heat exchange between high-temperature steam and wastewater, and particularly to an efficient wastewater evaporation system and method for rapid heat exchange through saturated steam; the wastewater in the heat exchanger module and the separation chamber module is heated and evaporated to form superheated steam, which enters the secondary steam pipeline. The superheated steam in the secondary steam pipeline is cooled by a spraying device to form saturated steam, and the saturated steam enters the heat exchanger shell side of the heat exchanger module through the secondary steam pipeline; the heat exchanger shell side is connected to the distilled water tank module, and the distilled water discharge pipeline of the distilled water tank module passes through the plate heat exchanger module to the external discharge port; the separation chamber module is connected with a concentrated liquid discharge pipeline structure and an efficient wastewater evaporation method for rapid heat exchange through saturated steam, achieving efficient evaporation of wastewater and effective utilization of heat energy. At the same time, the wastewater evaporation system has the advantages of compact structure, small floor area, simple operation, and suitability for different scenarios.

Description

Technical Field

[0001] The present invention relates to the technical field of heat exchange between high-temperature steam and wastewater, and particularly to an efficient wastewater evaporation system and method for rapid heat exchange through saturated steam. Background Art

[0002] Since the Industrial Revolution in the 19th century, with the rapid development of the economy, environmental pollution and social nuisance problems have gradually emerged and become important challenges faced by various countries. Among many environmental problems, water pollution is particularly prominent, and in many areas, the dissolved oxygen in river and lake waters has decreased, and aquatic organisms have decreased or even become extinct.

[0003] In the prior art, traditional wastewater treatment methods such as biological methods, physical methods, and chemical methods, although alleviating the water pollution problem to a certain extent, generally have deficiencies such as long treatment cycles, large floor areas, and complex operations. Especially for some organic substances that are difficult to degrade, the efficiency of traditional treatment methods is often not satisfactory. Summary of the Invention

[0004] The purpose of the present invention is to provide an efficient wastewater evaporation system and method for rapid heat exchange through saturated steam in view of the defects existing in the prior art, achieving efficient evaporation of wastewater and effective utilization of heat energy, while the system has a compact structure, a small floor area, and simple operation, and is suitable for different scenarios.

[0005] To achieve the above purpose, the technical solution adopted by the present invention is: an efficient wastewater evaporation system and method for rapid heat exchange through saturated steam, including a compressor module, a heat exchanger module, a separation chamber module, a plate heat exchanger module, a distillation water tank module, and an air-cooled module; the wastewater pipeline is connected to the heat exchanger module and the separation chamber module through the plate heat exchanger module; the inlet and outlet of the compressor module are respectively connected to the separation chamber module and the shell side of the heat exchanger module through a secondary steam pipeline; the heat exchanger module and the separation chamber module form a negative pressure through the compressor module; a spraying device is arranged on the inlet side of the compressor module, the spraying device is connected to the air-cooled module, and the air-cooled module is also connected to the distillation water tank module; the superheated steam formed by heating and evaporating the wastewater in the heat exchanger module and the separation chamber module enters the secondary steam pipeline, the superheated steam in the secondary steam pipeline is cooled by the spraying device to form saturated steam, and the saturated steam enters the shell side of the heat exchanger in the heat exchanger module through the secondary steam pipeline; the shell side of the heat exchanger is connected to the distillation water tank module, and the distilled water pipeline of the distillation water tank module leads to an external discharge port through the plate heat exchanger module; the separation chamber module is connected with a concentrated liquid discharge pipeline.

[0006] Further, the separation chamber module and the heat exchanger module are arranged from top to bottom on the right side of the internal space of the equipment housing. A control cabinet is arranged on the left side of the internal space of the equipment housing. The compressor module, the plate heat exchanger module, and the distilled water tank module are arranged in the internal space of the equipment housing in front of the control cabinet. The plate heat exchanger module and the distilled water tank module are arranged side by side below the compressor module. The waste water pipeline and the concentrated liquid discharge pipeline are arranged on the pipeline layout plate between the control cabinet and the compressor module. A control box is arranged outside the equipment housing.

[0007] Further, the compressor module includes a compressor inlet valve, a compressor, and a compressor drive motor. The compressor and the compressor drive motor are directly connected by a coupling. The spraying device is arranged behind the compressor inlet valve.

[0008] Further, a first liquid level sensor, a second liquid level sensor, and a temperature sensor are arranged in the separation chamber of the separation chamber module. The first liquid level sensor and the temperature sensor are arranged at the same height. The installation height of the second liquid level sensor is higher than that of the first liquid level sensor and the temperature sensor.

[0009] Further, an on-line metering device is also arranged in the distilled water tank module. The on-line metering device is connected to the distilled water tank of the distilled water tank module. After the on-line metering device reaches the upper liquid level, the distilled water in the on-line metering device is discharged through the distilled water pipeline by compressed air.

[0010] Further, the heat exchanger module is provided with a sliding mechanism, and the sliding mechanism cooperates with a flange fixing nut to fix the heat exchanger.

[0011] Further, a cleaning liquid pipeline is also arranged. The cleaning liquid pipeline is arranged side by side with the waste water pipeline and the concentrated liquid discharge pipeline and is connected to the distilled water tank module. An internal cleaning ball is arranged in the cleaning liquid pipeline.

[0012] Further, a non-condensable gas-liquid pipeline is also arranged and connected to the distilled water tank module.

[0013] An efficient waste water evaporation method for rapid heat exchange through saturated steam

[0014] The compressor in the compressor module starts, and a negative pressure is formed in the separation chamber of the separation chamber module to introduce the waste water from the waste water pipeline inlet into the pipeline of the waste water pipeline of the heat exchanger module and into the separation chamber;

[0015] When the wastewater in the separation chamber reaches the set liquid level, the compressor operates at high frequency to generate compression heat, heating and evaporating the wastewater in the wastewater pipeline in the heat exchanger module and the wastewater in the separation chamber to form secondary steam;

[0016] The air-cooling module and the compressor inlet valve are opened, and the distilled water in the distilled water tank module is cooled by the air-cooling module and led to the spraying device;

[0017] The secondary steam passes through the secondary steam pipeline and the compressor inlet valve, and then is sprayed and cooled by the spraying device to form saturated steam, which enters the compressor;

[0018] The saturated steam enters the shell side of the heat exchanger in the heat exchanger module from the outlet of the compressor through the secondary steam pipeline and exchanges heat with the wastewater in the wastewater pipeline;

[0019] A large amount of condensed water is generated in the shell side of the heat exchanger outside the pipeline during the heating process of the secondary steam generated after the wastewater in the wastewater pipeline and the separation chamber is heated, and directly overflows into the distilled water tank of the distilled water tank module through overflow;

[0020] The condensed water is continuously discharged into the distilled water tank, and the water in the distilled water tank overflows into the online metering device. After the online metering device reaches a certain liquid level, the water in the distilled water tank is discharged through compressed air;

[0021] The water in the distilled water tank is discharged through the distilled water pipeline and exchanges heat with the wastewater just entering the wastewater pipeline in the plate heat exchanger module;

[0022] When the concentration of the wastewater in the separation chamber gradually increases with the evaporation time until it cannot be concentrated, the concentrated liquid is discharged through the discharge pipeline by compressed air to the outside of the system, ending the current working process and entering the next cycle;

[0023] Furthermore, the cleaning liquid pipeline cooperates with the cleaning ball to use the central circulation method, so that the internal cleaning ball rubs the pipe walls of each pipeline under the promotion of self-circulation, thereby cleaning the fouled surface;

[0024] By including a compressor module, a heat exchanger module, a separation chamber module, a plate heat exchanger module, a distilled water tank module and an air-cooled module; the waste water pipeline is connected to the heat exchanger module and the separation chamber module through the plate heat exchanger module; the inlet and outlet of the compressor module are respectively connected to the inside of the shell side of the separation chamber module and the heat exchanger module through a secondary steam pipeline; a negative pressure is formed in the heat exchanger module and the separation chamber module through the compressor module; a spraying device is arranged on the inlet side of the compressor module, the spraying device is communicated with the air-cooled module, and the air-cooled module is also communicated with the distilled water tank module; the superheated steam formed by heating and evaporating the waste water in the heat exchanger module and the separation chamber module enters the secondary steam pipeline, the superheated steam in the secondary steam pipeline is cooled by the spraying device to form saturated steam, and the saturated steam enters the heat exchanger shell side of the heat exchanger module through the secondary steam pipeline; the heat exchanger shell side is connected to the distilled water tank module, and the distilled water pipeline of the distilled water tank module leads to an external discharge port through the plate heat exchanger module; the separation chamber module is connected with a concentrated liquid discharge pipeline and an efficient waste water evaporation method for rapid heat exchange through saturated steam, achieving efficient evaporation of waste water and effective utilization of heat energy, and at the same time, the system has a compact structure, a small floor area and simple operation, and is suitable for different scenarios. Brief Description of the Drawings

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments recorded in the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0026] Figure 1 It is a front view of an efficient waste water evaporation system and method for rapid heat exchange through saturated steam (without air-cooled module and pipeline);

[0027] Figure 2 It is a left view of an efficient waste water evaporation system and method for rapid heat exchange through saturated steam (without air-cooled module and pipeline);

[0028] Figure 3 It is a schematic diagram of the air-cooled module and pipeline;

[0029] Figure 4 It is a schematic diagram of the outer shell;

[0030] Reference Numerals:

[0031] Compressor module 1, compressor inlet valve 11, compressor 12, compressor drive motor 13, spray device 14, heat exchanger module 2, sliding mechanism 21, separation chamber module 3, first liquid level sensor 31, second liquid level sensor 32, temperature sensor 33, plate heat exchanger module 4, distilled water tank module 5, distilled water pipeline 51, on-line metering device 52, air-cooling module 6, waste water pipeline 7, secondary steam pipeline 8, concentrated liquid discharge pipeline 9, cleaning liquid pipeline 10. Detailed implementation mode

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0033] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0034] An efficient waste water evaporation system and method for rapid heat exchange through saturated steam, as Figure 1 、 2 shown in FIGS. 1, 2 and 3, includes a compressor module 1, a heat exchanger module 2, a separation chamber module 3, a plate heat exchanger module 4, a distilled water tank module 5 and an air-cooling module 6; the waste water pipeline 7 is connected to the heat exchanger module 2 and the separation chamber module 3 through the plate heat exchanger module 4; the inlet and outlet of the compressor module 1 are respectively connected to the separation chamber module 3 and the shell side of the heat exchanger module 2 through the secondary steam pipeline 8; the heat exchanger module 2 and the separation chamber module 3 form a negative pressure through the compressor module 1; a spray device 14 is arranged on the inlet side of the compressor module 1, the spray device 14 is connected to the air-cooling module 6, and the air-cooling module 6 is also connected to the distilled water tank module 5; the waste water in the heat exchanger module 2 and the separation chamber module 3 is heated and evaporated to form superheated steam, the superheated steam in the secondary steam pipeline 8 is cooled by the spray device 14 to form saturated steam, and the saturated steam enters the shell side of the heat exchanger in the heat exchanger module 2 through the secondary steam pipeline 8; the heat exchanger shell side is connected to the distilled water tank module 5, and the distilled water pipeline 51 of the distilled water tank module 5 leads to the external discharge port through the plate heat exchanger module 4; the separation chamber module 3 is connected with a concentrated liquid discharge pipeline 9.

[0035] Specifically, by utilizing the rapid heat exchange capacity of saturated steam, the wastewater is first preheated through the plate heat exchanger module 4, and then enters the heat exchanger module 2 and the separation chamber module 3 for the main evaporation process. During this process, the wastewater is heated and evaporated to form superheated steam. These superheated steam contacts the cooling medium of the air-cooled module 6 through the spraying device 14 and is quickly cooled to saturated steam, which not only improves the heat exchange efficiency but also realizes the preliminary recovery of thermal energy. At the same time, the cooled saturated steam is reintroduced into the shell side of the heat exchanger module 2 as a heat source to continue heating the wastewater, realizing the recycling of thermal energy. This closed-loop system significantly improves the energy utilization efficiency, reduces the overall energy consumption, and forms a negative pressure environment between the separation chamber module 3 and the heat exchanger module 2 through the compressor module 1, effectively reducing the temperature required for evaporation, thereby reducing energy consumption. Negative pressure evaporation not only improves the evaporation efficiency but also enables the entire system to operate stably at a lower temperature, extending the service life of the equipment. The overall equipment adopts a modular design, and each module can be independently replaced or upgraded, improving the flexibility and scalability of the system. At the same time, the modular design also facilitates the transportation, installation, and maintenance of the equipment, and can be equipped with an advanced intelligent control system. By real-time monitoring and adjusting the operating status of each module, it ensures that the system operates in an efficient and stable state. Intelligent control not only improves the automation level of the system but also reduces the risk of human operation errors. After treatment, the quality of the distilled water is significantly improved and can be directly discharged or reused, realizing the effective recovery and utilization of water resources. At the same time, the concentrated liquid is discharged through the concentrated liquid discharge pipe 9, and its volume is greatly reduced, facilitating subsequent treatment or disposal and reducing environmental pollution.

[0036] As a preference of the above embodiment, as Figure 3 、 4 shown, the separation chamber module 3 and the heat exchanger module 2 are arranged from top to bottom on the right side of the internal space of the equipment housing. A control cabinet is arranged on the left side of the internal space of the equipment housing. The compressor module 1, the plate heat exchanger module 4, and the distilled water tank module 5 are arranged in the internal space of the equipment housing in front of the control cabinet. The plate heat exchanger module 4 and the distilled water tank module 5 are arranged side by side below the compressor module 1. The wastewater pipeline 7 and the concentrated liquid discharge pipe 9 are arranged on the pipeline layout plate between the control cabinet and the compressor module 1. A control box is arranged outside the equipment housing.

[0037] Specifically, by arranging the separation chamber module 3 and the heat exchanger module 2 vertically from top to bottom on the right side of the internal space of the equipment housing, this vertical layout effectively utilizes the vertical space, reduces the floor area of the equipment, and makes the overall structure more compact. At the same time, the control cabinet arranged on the left side is not only convenient for operation and maintenance, but also utilizes the remaining space to maximize the use of space. Key components such as the compressor module 1, the plate heat exchanger module 4, and the distillation water tank module 5 are orderly arranged in the internal space of the equipment housing in front of the control cabinet, and the plate heat exchanger module 4 and the distillation water tank module 5 are arranged side by side below the compressor module 1. This modular layout makes the relationship between each component clear, easy to identify and maintain. At the same time, it is also convenient to add, reduce or replace modules according to actual needs, improving the flexibility and scalability of the equipment. The waste water pipeline 7 and the concentrated liquid discharge pipeline 9 are arranged on the pipeline layout board between the control cabinet and the compressor module 1, which not only reduces the pipeline length, reduces the resistance and energy consumption of fluid transportation, but also makes the pipeline layout more regular, avoiding a messy phenomenon. At the same time, it also facilitates the maintenance and repair work of the pipeline. The control box arranged outside the equipment housing enables the operator to easily perform various control and monitoring tasks outside the equipment without frequently entering the equipment interior. This not only improves the operation safety, but also simplifies the operation process and improves the work efficiency. Through reasonable layout and compact structure design, the whole equipment presents a clean and beautiful visual effect in appearance, enhancing the overall quality sense of the equipment.

[0038] As a preference of the above embodiment, as Figure 1 shown, the compressor module 1 includes a compressor inlet valve 11, a compressor 12, and a compressor drive motor 13. The compressor 12 and the compressor drive motor 13 are directly connected by a coupling, and the spraying device 14 is arranged behind the compressor inlet valve 11.

[0039] Specifically, by directly connecting the compressor 12 and the compressor drive motor 13 through a coupling, this direct drive method reduces the energy loss during power transmission, improves the energy conversion efficiency. At the same time, it also simplifies the transmission structure, reduces the failure rate, and improves the reliability and stability of the equipment. The setting of the compressor inlet valve 11 enables precise control of the flow rate and pressure of the gas entering the compressor 12. This helps to maintain the stable working state of the compressor and avoid the occurrence of overloading or underloading phenomena, thereby prolonging the service life of the compressor. The spraying device 14 is arranged behind the compressor inlet valve 11, that is, at the position before the superheated steam enters the compressor. This layout enables the spraying device to more effectively cool the superheated steam to form saturated steam, providing favorable conditions for the subsequent thermal energy recycling. At the same time, the close cooperation between the spraying device and the compressor inlet valve also improves the compactness and coordination of the whole system.

[0040] As a preference of the above embodiments, as Figure 1 shown, a first liquid level sensor 31, a second liquid level sensor 32 and a temperature sensor 33 are arranged in the separation chamber of the separation chamber module 3. The first liquid level sensor 31 and the temperature sensor 33 are arranged at the same height, and the installation height of the second liquid level sensor 32 is higher than that of the first liquid level sensor 31 and the temperature sensor 33.

[0041] As a preference of the above embodiments, as Figure 1 shown, an online metering device 52 is further arranged in the distillation water tank module 5. The online metering device 52 is connected to the distillation water tank of the distillation water tank module 5. After the online metering device 52 reaches the upper liquid level, the distilled water in the online metering device 52 is discharged through the distilled water pipeline 51 by compressed air.

[0042] Specifically, after the liquid level reaches the upper liquid level, it is discharged by compressed air to achieve the purpose of real-time accurate metering, effectively solving the industry problem of inaccurate evaporation capacity of the equipment evaporator.

[0043] As a preference of the above embodiments, as Figure 1 shown, the heat exchanger module 2 is provided with a sliding mechanism 21, and the sliding mechanism 21 cooperates with the flange fixing nut to fix the heat exchanger.

[0044] Specifically, due to the heat exchanger module 2 being provided with a sliding mechanism 21, and the structure that the sliding mechanism 21 cooperates with the flange fixing nut to fix the heat exchanger, when the heat exchange tubes need to be cleaned after the heat exchanger is fouled, the flange fixing nut is loosened during maintenance, and the heat exchanger can be directly pulled out to achieve the purpose of rapid maintenance.

[0045] As a preference of the above embodiments, as Figure 1 shown, a cleaning liquid pipeline 10 is further arranged. The cleaning liquid pipeline 10 is arranged side by side with the waste water pipeline 7 and the concentrated liquid discharge pipeline 9 and is connected to the distillation water tank module 5. An internal cleaning ball is arranged in the cleaning liquid pipeline 10.

[0046] Specifically, due to the cleaning liquid pipeline 10 being further arranged, the cleaning liquid pipeline 10 being arranged side by side with the waste water pipeline 7 and the concentrated liquid discharge pipeline 9 and being connected to the distillation water tank module 5, and the structure that an internal cleaning ball is arranged in the cleaning liquid pipeline 10, the introduction of the cleaning liquid pipeline 10 enables the equipment to have the ability of automatic cleaning. After the equipment operates for a period of time, by injecting cleaning liquid into the cleaning liquid pipeline 10 and using the rolling and scouring action of the internal cleaning ball in the pipeline, the dirt and residues inside the waste water pipeline 7, the concentrated liquid discharge pipeline 9 and the distillation water tank module 5 can be effectively removed.

[0047] As a preference of the above embodiments, as Figure 1 shown, a non-condensable gas-liquid pipeline is further provided and connected to the distillation water tank module 5.

[0048] An efficient wastewater evaporation method for rapid heat exchange through saturated steam,

[0049] The compressor 12 in the compressor module 1 starts, and a negative pressure is formed in the separation chamber of the separation chamber module 3 to introduce the wastewater from the inlet of the wastewater pipeline 7 into the pipeline of the wastewater pipeline 7 of the heat exchanger module 2 and into the separation chamber;

[0050] When the wastewater in the separation chamber reaches the set liquid level, the compressor 12 operates at high frequency to generate compression heat, heating and evaporating the wastewater in the wastewater pipeline 7 in the heat exchanger module 2 and in the separation chamber to form secondary steam;

[0051] The air-cooling module 6 and the compressor inlet valve 11 are opened, and the distilled water in the distillation water tank module 5 is cooled by the air-cooling module 6 and led to the spraying device 14;

[0052] The secondary steam passes through the compressor inlet valve 11 through the secondary steam pipeline 8, and then is sprayed and cooled by the spraying device 14 to form saturated steam, and the saturated steam enters the compressor 12;

[0053] The saturated steam enters the heat exchanger shell side of the heat exchanger module 2 from the outlet of the compressor 12 through the secondary steam pipeline 8 and exchanges heat with the wastewater in the wastewater pipeline 7;

[0054] A large amount of condensed water is generated in the heat exchanger shell side outside the pipeline during the heating process of the secondary steam generated after the wastewater in the wastewater pipeline 7 and in the separation chamber is heated, and directly overflows into the distillation water tank of the distillation water tank module 5 through overflow;

[0055] The condensed water is continuously discharged into the distillation water tank, and the water in the distillation water tank overflows into the on-line metering device 52. After the on-line metering device 52 reaches a certain liquid level, the water in the distillation water tank is discharged through compressed air;

[0056] The water in the distillation water tank is discharged through the distilled water pipeline 51 and exchanges heat with the wastewater just entering the wastewater pipeline 7 in the plate heat exchanger module 4;

[0057] When the concentration of the wastewater in the separation chamber gradually increases with the evaporation time until it cannot be concentrated, the concentrated liquid is discharged through the discharge pipeline 9 of the compressed air to the outside of the system, ending the current working process and entering the next cycle.

[0058] Specifically, by directly using the compression heat generated by the compressor 12 in the compressor module 1 for heating and evaporating the wastewater in the wastewater pipeline 7 of the heat exchanger module 2, the efficient conversion and utilization of energy are achieved, significantly improving the efficiency of wastewater evaporation. Then, the distilled water in the distillation water tank module 5 is cooled by the air-cooling module 6, and the secondary steam before the compressor inlet valve 11 is sprayed and cooled by the spraying method to form saturated steam. This not only effectively reduces the steam temperature but also realizes the recycling of saturated steam through the re-compression and heating of the compressor 12, enhancing the overall efficiency of the system. The multi-level heat exchange links, including the heat exchange between saturated steam and wastewater, and the preheating of wastewater by distilled water, jointly achieve the efficient transfer of heat. At the same time, the condensed water generated in the shell side of the heat exchanger is directly recycled to the distillation water tank module 5 through overflow, realizing the maximization of water resource utilization. Meanwhile, an automated control system is introduced to achieve precise control of the wastewater evaporation process. In addition, the water volume in the distillation water tank is monitored and recorded in real time through the on-line metering device 52, ensuring the stability of system operation and the accuracy of data, further improving the intelligent level of the equipment. Due to the efficient operation and energy-saving effect of the system, as well as the effective treatment of wastewater and the recycling of distilled water, this method has high profitability economically.

[0059] As a preference of the above embodiment, as Figure 1 shown, the cleaning liquid pipeline 10 cooperates with the cleaning ball to use the central circulation method, so that the internal cleaning ball rubs the pipe walls of each pipeline under the promotion of self-circulation, thereby cleaning the fouled surface.

[0060] Specifically, through the physical contact and relative movement between the cleaning ball and the inner wall of the pipeline, effective pipe wall friction is generated. This frictional effect can destroy and peel off the fouling layer on the inner wall of the pipeline, including mineral precipitation and organic matter adhesion that may occur during the wastewater evaporation process. With the continuous circulation of the cleaning liquid and the continuous rolling of the cleaning ball, the inner wall of the pipeline is gradually cleaned, restoring its original smoothness and patency, improving the cleanliness and operation efficiency of the wastewater evaporation system, and also extending the service life of the equipment and reducing the maintenance cost.

[0061] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. An efficient wastewater evaporation system with rapid heat exchange through saturated steam, characterized in that: It comprises a compressor module (1), a heat exchanger module (2), a separation chamber module (3), a plate heat exchanger module (4), a distilled water tank module (5) and an air cooling module (6); The wastewater pipeline (7) is connected to the heat exchanger module (2) and the separation chamber module (3) via the plate heat exchanger module (4); The inlet and outlet of the compressor module (1) are respectively connected to the separation chamber module (3) and the shell side of the heat exchanger module (2) through a secondary steam pipeline (8); The heat exchanger module (2) and the separation chamber module (3) form a negative pressure through the compressor module (1); The compressor module (1) is provided with a spray device (14) on the inlet side, the spray device (14) is in communication with the air cooling module (6), and the air cooling module (6) is also in communication with the distilled water tank module (5); The wastewater in the heat exchanger module (2) and the separation chamber module (3) is heated and evaporated to form superheated steam which enters the secondary steam pipeline (8); the superheated steam in the secondary steam pipeline (8) is cooled by the spray device (14) to form saturated steam; and the saturated steam enters the heat exchanger shell side of the heat exchanger module (2) through the secondary steam pipeline (8); The shell side of the heat exchanger is connected to the distilled water tank module (5), and the distilled water pipeline (51) of the distilled water tank module (5) passes through the plate heat exchanger module (4) to an external discharge port; The separation chamber module (3) is connected to a concentrate discharge pipeline (9); The separation chamber module (3) and the heat exchanger module (2) are arranged on the right side of the internal space of the equipment shell from top to bottom, and a control cabinet is arranged on the left side of the internal space of the equipment shell. The compressor module (1), the plate heat exchanger module (4), and the distilled water tank module (5) are arranged in the internal space of the equipment shell in front of the control cabinet. The plate heat exchanger module (4) and the distilled water tank module (5) are arranged side by side below the compressor module (1). The wastewater pipeline (7) and the concentrated liquid discharge pipeline (9) are arranged on the pipeline layout plate between the control cabinet and the compressor module (1), and a control box is arranged outside the equipment shell.

2. The high-efficiency wastewater evaporation system by rapid heat exchange with saturated steam according to claim 1, characterized in that: The compressor module (1) comprises a compressor inlet valve (11), a compressor (12) and a compressor drive motor (13); the compressor (12) and the compressor drive motor (13) are directly connected via a coupling; and the spray device (14) is arranged at the rear side of the compressor inlet valve (11).

3. The high-efficiency wastewater evaporation system by rapid heat exchange with saturated steam according to claim 1, characterized in that: A first liquid level sensor (31), a second liquid level sensor (32) and a temperature sensor (33) are arranged in the separation chamber of the separation chamber module (3); the first liquid level sensor (31) and the temperature sensor (33) are arranged at the same height, and the second liquid level sensor (32) is arranged at a higher height than the first liquid level sensor (31) and the temperature sensor (33).

4. The high-efficiency wastewater evaporation system by rapid heat exchange with saturated steam according to claim 1, characterized in that: An online metering device (52) is also provided in the distilled water tank module (5). The online metering device (52) is connected to the distilled water tank of the distilled water tank module (5). After the online metering device (52) reaches the upper liquid level, the distilled water in the online metering device (52) is discharged through the distilled water pipeline (51) by compressed air.

5. The high-efficiency wastewater evaporation system by rapid heat exchange with saturated steam according to claim 1, characterized in that: The heat exchanger module (2) is provided with a sliding mechanism (21), and the sliding mechanism (21) cooperates with the flange fixing nut to fix the heat exchanger.

6. The high-efficiency wastewater evaporation system by rapid heat exchange with saturated steam according to claim 1, characterized in that: A cleaning liquid pipeline (10) is also provided. The cleaning liquid pipeline (10) is arranged side by side with the waste water pipeline (7) and the concentrate discharge pipeline (9) and is connected to the distilled water tank module (5). An internal cleaning ball is provided in the cleaning liquid pipeline (10).

7. The high-efficiency wastewater evaporation system by rapid heat exchange with saturated steam according to claim 1, characterized in that: A non-condensable gas-liquid pipeline is also provided and connected to the distilled water tank module (5).

8. A method for efficiently evaporating wastewater by rapid heat exchange with saturated steam according to the efficient wastewater evaporation system by rapid heat exchange with saturated steam as claimed in claim 1, characterized in that: The compressor (12) in the compressor module (1) is started, and negative pressure is formed in the separation chamber of the separation chamber module (3) to introduce wastewater from the inlet of the wastewater pipeline (7) into the pipeline of the wastewater pipeline (7) of the heat exchanger module (2) and into the separation chamber; When the wastewater in the separation chamber reaches a set liquid level, the compressor (12) operates at a high frequency to generate compression heat, thereby heating the wastewater in the wastewater pipeline (7) in the heat exchanger module (2) and in the separation chamber and evaporating the wastewater to form secondary steam; The air cooling module (6) and the compressor inlet valve (11) are opened, and the distilled water in the distilled water tank module (5) is cooled by the air cooling module (6) and led to the spraying device (14); The secondary steam passes through the secondary steam pipeline (8) and the compressor inlet valve (11), and then is sprayed and cooled by the spray device (14) to form saturated steam, and the saturated steam enters the compressor (12); The saturated steam enters the heat exchanger shell side of the heat exchanger module (2) from the outlet of the compressor (12) through the secondary steam pipeline (8) and exchanges heat with the wastewater in the wastewater pipeline (7); The secondary steam generated after the wastewater in the wastewater pipeline (7) and the separation chamber is heated generates a large amount of condensed water in the shell of the heat exchanger outside the pipeline during the heating process, and directly overflows into the distilled water tank of the distilled water tank module (5) through overflow; The condensed water is continuously discharged into the distilled water tank, and the water in the distilled water tank overflows and enters the online metering device (52). After the online metering device (52) reaches a certain liquid level, the water in the distilled water tank is discharged by compressed air; The water in the distilled water tank is discharged through the distilled water pipeline (51) and exchanges heat with the wastewater that has just entered the wastewater pipeline (7) in the plate heat exchanger module (4); The concentration of the wastewater in the separation chamber gradually increases with the evaporation time until it can no longer be concentrated. The concentrated liquid is discharged to the outside of the system through a discharge pipe (9) by compressed air, thus ending the current workflow and entering the next cycle.

9. The high-efficiency wastewater evaporation method by rapid heat exchange with saturated steam according to claim 8, characterized in that: The cleaning liquid pipeline (10) cooperates with the internal cleaning balls to utilize a central circulation method, so that the internal cleaning balls rub the pipe walls of each pipe under the impetus of self-circulation, thereby cleaning the scaled surface.

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