CN117263295A - Evaporation treatment device for high-concentration wastewater - Google Patents

Abstract

The invention relates to an evaporation treatment device for high-concentration wastewater, which includes a wastewater tank, a mud storage tank, a water storage tank and a vacuum pump arranged in sequence. A concentration tank and an air conditioner are installed on the top of the mud storage tank in sequence from bottom to top. A cold trap condensate tank is installed on the top of the water tank. Spiral coils are installed in both the waste water tank and the cold trap condensate tank. The air conditioner is connected to the spiral coil of the cold trap condensate tank through the refrigeration pipe, and the air conditioner passes through The heating pipe is connected to the spiral coil in the wastewater tank. The wastewater tank is connected to the concentration tank through the water conduit. The cold trap condensate tank is connected to the concentration tank through the exhaust pipe. High-concentration wastewater is evaporated to separate most of the water. After it comes out, sludge is formed, and the distilled water accumulated in the cold trap condensate tank is discharged into the water storage tank through the cold trap condensate tank, and the heat is introduced into the wastewater tank through the spiral coil located in the wastewater tank, thereby quickly and The evaporated water separation process is energy-saving and efficient, and the water in high-concentration wastewater is separated.

Description

An evaporation treatment device for high-concentration wastewater

Technical field

The present invention relates to the technical field of wastewater treatment, and in particular to an evaporation treatment device for high-concentration wastewater.

Background technique

Wastewater treatment is a wastewater treatment method that uses physical, chemical and biological methods to separate and recover insoluble suspended pollutants in wastewater, including oil films and oil beads, through physical effects. It can be divided into gravity separation and centrifugal separation. Treatment methods based on the principle of heat exchange, such as the method and the screening and interception method, are also physical treatment methods.

The patent document with publication number CN217148874U discloses a high-concentration wastewater and waste liquid evaporation treatment device, which includes a base. A main body is fixedly installed on the top of the base, and an operator is fixedly installed on the outer surface of the main body. The operator A connecting pipe is fixedly installed on the right side, a wastewater sterilization treatment device is fixedly installed on the right side of the connecting pipe, a discharge device is fixedly installed on the top of the main body, and a wastewater pool is provided on the right side of the main body. The beneficial effects of the above patent Yes, the wastewater and waste liquid are first transported into the wastewater pool, and then filtered through three filter layers. Then the valve is opened, the wastewater is sucked into the shell by operating the water suction device at one end, and then the outer surface of the rotating shaft is driven by the motor. The agitator fully mixes the wastewater with the antivirus reagent for disinfection, and then sucks the treated wastewater into the wastewater pool through the water absorber at the other end. The wastewater is transported to the heating chamber through the water inlet pipe, and finally the wastewater is evaporated by heating.

The above-mentioned device has the following shortcomings. The above-mentioned device has a low water vapor condensation efficiency when in use, the overall process requires more energy, and the energy utilization efficiency is low, and the above-mentioned device lacks cleaning parts for the inner wall of the evaporation and concentration device when in use. , it is easy for the concentrated sludge to adhere to the inner wall of the device, which requires a lot of time to clean between two concentrations. Moreover, the above device is prone to produce a large amount of foam when used, which blocks the gaps in the pipes and other places. It is easy to cause accidents.

Contents of the invention

The purpose of the present invention is to provide an evaporation treatment device for high-concentration wastewater to improve the overall work efficiency in view of the above-mentioned existing problems and deficiencies.

The technical problems solved by this invention are:

(1) The above-mentioned device has a low condensation efficiency of water vapor when in use, the overall process requires more energy, and the energy utilization efficiency is low;

(2) The above-mentioned device lacks cleaning parts for the inner wall of the evaporation and concentration device when in use, which easily causes concentrated sludge to adhere to the inner wall of the device, resulting in a large amount of time required for cleaning between two concentrations;

(3) The above devices are prone to produce a large amount of foam when used, which can block gaps in pipes and other places, easily causing accidents.

The object of the present invention can be achieved through the following technical solutions: an evaporation treatment device for high-concentration wastewater, including a wastewater tank, a mud storage tank, a water storage tank and a vacuum pump arranged in sequence, and the top of the mud storage tank is installed in sequence from bottom to top There is a concentration tank and an air conditioner. A cold trap condensate tank is installed on the top of the water storage tank. Spiral coils are installed in both the waste water tank and the cold trap condensate tank. The air conditioner connects to the spiral disk of the cold trap condensate tank through the refrigeration pipe. The pipes are connected, and the air conditioner is connected to the spiral coil in the waste water tank through the heating pipe, the waste water tank is connected to the concentration tank through the water conduit, and the cold trap condensate tank is connected to the concentration tank through the exhaust pipe.

As a further solution of the invention, the top of the concentration tank is sealed with a feed pipe, and a tee is installed at the upper end of the feed pipe. One end of the tee is connected to the water pipe, and the other end of the tee is connected to the exhaust pipe. The tee is connected to the water conduit pipe through the first valve, and the tee is connected to the exhaust pipe through the second valve.

As a further solution of the invention, a drive motor is installed on the upper side of the concentration tank. One end of the drive shaft of the drive motor is fixedly connected to a transmission rod. The transmission rod penetrates the top of the concentration tank and is sealed and rotationally connected with the concentration tank. The transmission rod is located in the concentration tank. One end of the transmission tube is fixedly connected with a driving toothed plate, and the middle periphery of the guide tube is movablely connected to a transmission barrel. The upper end of the transmission tube is fixedly connected to a driven toothed disc. The driven toothed plate meshes with the driving toothed plate for transmission. The transmission tube is Scrapers are fixedly connected to both sides of the lower end. The scrapers are U-shaped and match the inner wall of the concentration tank.

As a further solution of the invention, the side of the scraper close to the guide tube is fixedly connected to a limited sliding rod, and a defoaming device is installed on the limiting sliding rod. The defoaming device includes a defoaming rod, and the defoaming rod is equipped with two There is a support cross bar between the two defoaming struts. The support cross bar and the defoaming strut are connected through a limiting sliding sleeve, and the limiting sliding sleeve is slidably connected to the limiting sliding rod. Both sides of the rod are fixedly connected with defoaming plates, and the upper and lower sides of the defoaming plate are fixedly connected with a number of equidistant and symmetrically distributed defoaming spokes, and the defoaming rod, defoaming plate and defoaming spokes are all fixedly connected. Made of high temperature resistant plastic.

As a further solution of the invention, a sealing plate is movablely connected to the outer periphery of the transmission barrel. The sealing plate is sealed and fixedly connected to the top inner side of the concentration tank. The middle parts of the inner and outer sides of the transmission barrel are rotatably connected to the guide tube and the sealing plate through limit bearings respectively. , both sides of the limit bearing are equipped with oil seal rings, and the inner and outer sides of the transmission barrel are sealed and rotated with the guide tube and sealing plate through oil seal rings.

As a further solution of the invention, one end of the exhaust pipe close to the cold trap condensate tank is connected with a steam guide pipe, the steam guide pipe seals through the upper end of the cold trap condensate tank, and the middle part of the steam guide pipe is arranged in the cold trap condensate tank. The middle part of the spiral coil pipe, and the lower end of the steam guide pipe is connected with a steam guide nozzle, and the nozzle of the steam guide nozzle points vertically upward.

As a further solution of the invention, a connecting pipe is sealed through the upper end of the cold trap condensate tank, and the cold trap condensate tank is connected to the vacuum pump through the connecting pipe. One end of the connecting pipe located in the cold trap condensate tank is connected through There is a support mesh plate installed on the upper side of the exhaust hood and the cold trap condensate tank. The steam guide pipe and the refrigeration pipe all run through the support mesh plate. The bottom of the cold trap condensate tank is connected to the water storage tank through a drainage pipe.

As a further solution of the invention, a number of evenly distributed heat dissipation fins are fixedly connected to the outer periphery of the spiral coiled tube.

As a further solution of the invention, a heat conduction plate is embedded through the bottom of the concentration tank, a heater is installed at the bottom of the heat conduction plate, and a heat shield is provided on the outer cover of the heater.

Beneficial effects of the present invention:

(1) Store high-concentration wastewater in the wastewater tank, and then discharge it into the concentration tank in batches through the water conduit. Then start the vacuum pump to reduce the air pressure in the cold trap condensation tank and the concentration tank, thereby causing the high-concentration wastewater to boil. The temperature drops, and then the air conditioner is started to cool down the cold trap condensate tank, and the heat is introduced into the wastewater tank through the spiral coil located in the wastewater tank, so that it can not only conduct heat, but also process the wastewater in the wastewater tank. Preheat the temperature, then start the concentration tank to heat and concentrate the high-concentration wastewater. The water vapor generated by evaporation is discharged into the cold trap condensation tank through the exhaust pipe, thereby cooling and condensing into water and gathering at the bottom of the cold trap condensation tank. , the high-concentration wastewater is evaporated to separate most of the water to form sludge, which is then discharged into the mud storage tank through the concentration tank. The distilled water accumulated in the cold trap condensate tank is discharged into the water storage through the cold trap condensate tank. In the tank, the evaporated water separation process can be carried out quickly, energy-saving and efficiently, and the water in high-concentration wastewater can be separated to facilitate the subsequent centralized treatment of pollutants;

(2) When discharging wastewater into the concentration tank, close the second valve and open the first valve to ensure that the wastewater flows smoothly into the concentration tank, and calculate the wastewater inflow through the first valve based on the flow rate and duration, and then calculate the high When the concentrated wastewater is heated and evaporated, the first valve is closed and the second valve is opened, thereby reducing the air pressure and allowing the water vapor to converge into the cold trap condensate tank. The evaporation process is controlled by opening and closing the first valve and the second valve. Inflow and discharge ensure that the evaporation process proceeds in an orderly manner. When the concentration tank begins to heat and evaporate the high-concentration wastewater, the drive motor is started to drive the driving gear plate to rotate through the transmission rod, and the driven gear plate drives the transmission barrel to rotate. Drive the scraper to rotate, stir the high-concentration wastewater, make it evenly heated, eliminate foam, and prevent clogging. At the same time, after the evaporation is completed, the scraper scrapes and cleans the inner wall of the concentration tank to avoid insoluble matter adhering to it. On the inner wall of the concentration tank, keep the wall of the concentration tank clean and ensure that the generated sludge is fully discharged into the mud storage tank. The heat dissipation fins assist the spiral coil to conduct heat, so that the high-temperature refrigerant in the heating pipe can pass through the The spiral coil in the wastewater tank preheats the high-concentration wastewater in the wastewater tank, reducing the energy loss of the concentration tank. At the same time, it facilitates the cold trap condensate tank to cool the condensate, thereby fully conducting heat conduction and improving energy utilization efficiency;

(3) The defoaming support rod, defoaming plate and defoaming spokes are all made of high-temperature-resistant plastics and remain unchanged in shape and properties in high-concentration wastewater boiling at room temperature. When the scraper is rotating, the two defoaming rods drive the defoaming plate and the defoaming spokes to rotate through the drive of the limit slide rod to eliminate bubbles on the liquid surface and support the horizontal The rod scrapes off the bubbles in the middle of the liquid surface to avoid clogging due to excessive bubbles on the liquid surface. There are oil seal rings on both sides of the limit bearing, and the inner and outer sides of the transmission barrel are connected to the guide tube and the sealing plate through oil seal rings. The sealed rotary connection ensures that when the transmission barrel is transmitting, water vapor is prevented from contaminating various parts of the transmission and causing corrosion, and the service life of the transmission parts is extended. The water vapor in the exhaust pipe is transported to the steam guide nozzle through the guide pipe. The steam nozzle sprays water vapor upward and transports low-temperature refrigerant through the spiral coil in the cold trap condensation tank to cool down the water vapor and condense it. It performs water isolation and ventilation through the support mesh to prevent small droplets from being sucked into the connecting pipe. At the same time, Further condense water vapor and small water droplets, fully condense the moisture in the cold trap condensation tank into liquid water and collect it at the bottom of the tank, so that it can be easily discharged into the water storage tank through the drain pipe, thereby fully and quickly removing the water. Separation from high concentration wastewater.

Description of the drawings

In order to facilitate understanding by those skilled in the art, the present invention will be further described below in conjunction with the accompanying drawings.

Figure 1 is a front view of the overall structure of the present invention;

Figure 2 is a schematic diagram of the internal structure of the concentration tank of the present invention;

Figure 3 is a schematic diagram of the overall structure of the defoaming support rod of the present invention;

Figure 4 is a schematic diagram of the internal structure of the transmission barrel of the present invention;

Figure 5 is a side view of the internal structure of the cold trap condensation tank of the present invention;

In the picture: 1. Wastewater tank; 2. Mud storage tank; 3. Water storage tank; 4. Vacuum pump; 5. Concentration tank; 6. Air conditioner; 7. Cold trap condensate tank; 8. Refrigeration pipe; 9. Spiral Coil; 10. Heating pipe; 11. Water pipe; 12. Exhaust pipe; 13. Material guide pipe; 14. Tee; 15. First valve; 16. Second valve; 17. Drive motor; 18. Transmission rod; 19. Driving gear plate; 20. Transmission barrel; 21. Driven gear plate; 22. Scraper; 23. Limit slide rod; 24. Defoaming rod; 25. Heat conductor plate; 26. Heater; 27. Heat shield; 28. Support crossbar; 29. Limit sliding sleeve; 30. Defoaming plate; 31. Defoaming spoke; 32. Sealing plate; 33. Oil seal ring; 34. Limit bearing; 35. Guide Steam pipe; 36. Steam guide nozzle; 37. Supporting mesh plate; 38. Connecting pipe; 39. Exhaust hood; 40. Radiating fins; 41. Drainage pipe.

Detailed ways

In order to further elaborate on the technical means and effects adopted by the present invention to achieve the intended inventive purpose, the specific implementation manner, structure, features and effects of the present invention are described in detail below with reference to the accompanying drawings and preferred embodiments.

Please refer to Figure 1-5: an evaporation treatment device for high-concentration wastewater, including a wastewater tank 1, a mud storage tank 2, a water storage tank 3 and a vacuum pump 4 arranged in sequence. The top of the mud storage tank 2 is A concentration tank 5 and an air conditioner 6 are installed upward in sequence. A cold trap condensate tank 7 is installed on the top of the water storage tank 3. A spiral coil 9 is installed in both the waste water tank 1 and the cold trap condensate tank 7. The air conditioner 6 passes through The refrigeration pipe 8 is connected to the spiral coil 9 of the cold trap condensate tank 7, and the air conditioner 6 is connected to the spiral coil 9 in the waste water tank 1 through the heating pipe 10. The waste water tank 1 is connected to the concentration tank 5 through the water conduit 11. The cold trap condensate tank 7 is connected with the concentration tank 5 through the exhaust pipe 12.

In this embodiment, high-concentration wastewater is stored in the wastewater tank 1, and then discharged into the concentration tank 5 in batches through the water conduit 11, and then the vacuum pump 4 is started, so that the air pressure in the cold trap condensation tank 7 and the concentration tank 5 is reduced. , thereby reducing the boiling temperature of high-concentration wastewater, and then start the air conditioner 6 to cool down the cold trap condensate tank 7, and introduce the heat into the wastewater tank 1 through the spiral coil 9 located in the wastewater tank 1, thereby It can not only conduct heat, but also heat and preheat the wastewater in the wastewater tank 1, and then start the concentration tank 5 to heat and concentrate the high-concentration wastewater, and the water vapor generated by evaporation is discharged into the cold trap condensation tank 7 through the exhaust pipe 12 Within, it is cooled and condensed into water and gathered at the bottom of the cold trap condensation tank 7. The high-concentration wastewater is evaporated to separate most of the water to form sludge, which is then discharged into the mud storage tank 2 through the concentration tank 5. The distilled water collected in the cold trap condensate tank 7 is discharged into the water storage tank 3 through the cold trap condensate tank 7, thereby performing the evaporated water separation process quickly, energy-saving and efficiently, and separating the moisture in the high-concentration wastewater so as to The pollutants will then be treated intensively.

The top of the concentration tank 5 is sealed with a feed pipe 13, and a tee 14 is installed at the upper end of the feed pipe 13. One end of the tee 14 is connected to the water pipe 11, and the other end of the tee 14 is connected to the exhaust pipe. 12 is connected, the tee 14 is connected to the water pipe 11 through the first valve 15, and the tee 14 is connected to the exhaust pipe 12 through the second valve 16. When working, when wastewater is discharged into the concentration tank 5 , close the second valve 16 and open the first valve 15 to ensure that the wastewater flows smoothly into the concentration tank 5, and calculate the wastewater inflow through the first valve 15 based on the flow rate and duration, and then when the high-concentration wastewater is heated and evaporated, Close the first valve 15 and open the second valve 16 to facilitate the reduction of air pressure and allow water vapor to converge into the cold trap condensate tank 7. The opening and closing of the first valve 15 and the second valve 16 controls the inflow and outflow of the evaporation process. Drain to ensure the evaporation process proceeds in an orderly manner.

A drive motor 17 is installed on one side of the upper part of the concentration tank 5. One end of the drive shaft of the drive motor 17 is fixedly connected to a transmission rod 18. The transmission rod 18 penetrates the top of the concentration tank 5 and is sealed and rotationally connected with the concentration tank 5. The transmission rod 18 is located at the concentration One end in the tank 5 is fixedly connected with a driving toothed disc 19, a transmission barrel 20 is movably connected to the middle periphery of the material guide tube 13, a driven toothed disc 21 is fixedly connected to the upper end of the transmission tube 20, and the driven toothed disc 21 is connected with the The driving gear plate 19 engages in transmission, and scrapers 22 are fixedly connected to both sides of the lower end of the transmission barrel 20. The scrapers 22 are U-shaped and match the inner wall of the concentration tank 5. When working, when the concentration tank 5 starts to process high concentration When the wastewater is heated and evaporated, the driving motor 17 is started to drive the driving gear plate 19 to rotate through the transmission rod 18, the driven gear plate 21 to drive the transmission drum 20 to rotate, and the transmission drum 20 to drive the scraper 22 to rotate to stir the high-concentration wastewater. , so that it is heated evenly, eliminates foam, and prevents clogging. At the same time, after the evaporation is completed, the scraper 22 scrapes and cleans the inner wall of the concentration tank 5 to prevent insoluble matter from adhering to the inner wall of the concentration tank 5 and maintain concentration. The tank wall of tank 5 should be clean, and ensure that the generated sludge is fully discharged into mud storage tank 2.

The scraper 22 is fixedly connected to a limited sliding rod 23 on one side close to the guide tube 13. A defoaming device is installed on the limited sliding rod 23. The defoaming device includes a defoaming rod 24, and the defoaming rod 24 is provided with two There is a support cross bar 28 between the two defoaming struts 24. The support cross bar 28 and the defoaming strut 24 are connected through a limiting sliding sleeve 29, and the limiting sliding sleeve 29 is slidably connected to the limiting sliding sleeve. On the rod 23, both sides of the defoaming support rod 24 are fixedly connected with defoaming plates 30, and the upper and lower sides of the defoaming plate 30 are fixedly connected with a number of equidistant and symmetrically distributed defoaming spokes 31, and the defoaming spokes 31 are fixedly connected to both sides of the defoaming rod 24. The support rod 24, the bubble removing plate 30 and the bubble removing spokes 31 are all made of high temperature resistant plastic, and their shape and properties remain unchanged in the high concentration wastewater boiling at room temperature, so that they can be discharged into the concentration tank 5 as the high concentration wastewater is discharged. While floating on the liquid surface, when the scraper 22 rotates, the two defoaming rods 24 drive the defoaming plate 30 and the defoaming spokes 31 to rotate through the driving of the limiting slide rod 23 to eliminate bubbles on the liquid surface. And the bubbles in the middle of the liquid surface are scraped off through the support crossbar 28 to avoid clogging due to excessive bubbles on the liquid surface.

The outer periphery of the transmission barrel 20 is movablely connected with a sealing plate 32. The sealing plate 32 is sealed and fixedly connected to the top inner side of the concentration tank 5. The middle portions of the inner and outer sides of the transmission barrel 20 are connected to the guide tube 13 and the sealing plate 32 respectively through the limit bearings 34. Rotation connection, both sides of the limit bearing 34 are provided with oil seal rings 33, and the inner and outer sides of the transmission barrel 20 are sealed and rotationally connected to the guide tube 13 and the sealing plate 32 through the oil seal rings 33, thereby ensuring that the transmission barrel 20 is 20. When performing transmission, avoid water vapor from contaminating various parts of the transmission and causing corrosion, thereby extending the service life of the transmission parts.

One end of the exhaust pipe 12 close to the cold trap condensate tank 7 is connected with a steam guide pipe 35 . The steam guide pipe 35 is sealed and penetrates the upper end of the cold trap condensate tank 7 . The middle part of the steam guide pipe 35 is arranged in the cold trap condensate tank 7 The middle part of the spiral coil 9 inside, and the lower end of the steam guide pipe 35 is connected with a steam guide nozzle 36. The nozzle of the steam guide nozzle 36 faces vertically upward. The upper end of the cold trap condensate tank 7 is sealed with a connecting hole. Pipe 38, and the cold trap condensate tank 7 is connected to the vacuum pump 4 through the communication pipe 38. One end of the communication pipe 38 located in the cold trap condensate tank 7 is connected with an exhaust hood 39, and the upper side of the cold trap condensate tank 7 is A support mesh plate 37 is installed, and the steam guide pipe 35 and the refrigeration pipe 8 both pass through the support mesh plate 37. The bottom of the cold trap condensate tank 7 is connected to the water storage tank 3 through the drainage pipe 41;

During operation, the water vapor in the exhaust pipe 12 is transported to the steam guide nozzle 36 through the steam guide pipe 35, the water vapor is sprayed upward through the steam guide nozzle 36, and the low temperature is transported through the spiral coil 9 in the cold trap condensation tank 7 The refrigerant cools down water vapor and condenses water, and performs water isolation and ventilation through the support mesh 37 to prevent small droplets from being sucked into the connecting pipe 38. At the same time, it further condenses water vapor and small water droplets to fully close the cold trap condensation tank. The moisture in 7 condenses into liquid water and collects at the bottom of the tank, which is conveniently discharged into the water storage tank 3 through the drainage pipe 41, thereby fully and quickly separating the moisture from the high-concentration wastewater.

The outer periphery of the spiral coil 9 is fixedly connected with a number of evenly distributed heat dissipation fins 40. The heat dissipation fins 40 assist the spiral coil 9 in heat conduction, so that the high-temperature refrigerant in the heating pipe 10 can pass through the spiral coil located in the waste water tank 1. 9. Preheat the high-concentration wastewater in the wastewater tank 1 to reduce the energy loss of the concentration tank 5. At the same time, it is convenient for the cold trap condensate tank 7 to cool the condensate, thereby fully conducting heat conduction and improving energy utilization efficiency.

The bottom of the concentration tank 5 is embedded with a heat conduction plate 25. A heater 26 is installed at the bottom of the heat conduction plate 25. The outer cover of the heater 26 is provided with a heat shield 27. Heat is transferred evenly and rapidly through the heat conduction plate 25. 26 heats and blocks the heat transfer from the heater 26 to the outside of the concentration tank 5 through the heat shield 27, thereby improving energy utilization efficiency and improving concentration efficiency.

When the present invention is in use, high-concentration wastewater is stored in the wastewater tank 1, and then discharged into the concentration tank 5 in batches through the water conduit 11, and then the vacuum pump 4 is started, so that the air pressure in the cold trap condensation tank 7 and the concentration tank 5 is decrease, thereby lowering the boiling temperature of high-concentration wastewater, and then start the air conditioner 6 to cool down the cold trap condensate tank 7, and introduce the heat into the wastewater tank 1 through the spiral coil 9 located in the wastewater tank 1, This can not only conduct heat, but also heat and preheat the wastewater in the wastewater tank 1, and then start the concentration tank 5 to heat and concentrate the high-concentration wastewater, and the water vapor generated by evaporation is discharged into the cold trap condensation tank through the exhaust pipe 12 7, thereby cooling and condensing into water and gathering at the bottom of the cold trap condensation tank 7. The high-concentration wastewater is evaporated to separate most of the water to form sludge, which is then discharged into the mud storage tank 2 through the concentration tank 5. , the distilled water collected in the cold trap condensate tank 7 is discharged into the water storage tank 3 through the cold trap condensate tank 7, so as to quickly, save energy and efficiently perform the evaporated water separation process, and separate the moisture in high-concentration wastewater. To facilitate subsequent centralized treatment of pollutants;

When discharging wastewater into the concentration tank 5, close the second valve 16 and open the first valve 15 to ensure that the wastewater flows smoothly into the concentration tank 5, and calculate the wastewater inflow through the first valve 15 based on the flow rate and duration, and then When high-concentration wastewater is heated and evaporated, the first valve 15 is closed and the second valve 16 is opened, thereby reducing the air pressure and causing the water vapor to converge into the cold trap condensate tank 7 and pass through the first valve 15 and the second valve 16 The opening and closing of the evaporator controls the inflow and discharge of the evaporation process to ensure that the evaporation process proceeds in an orderly manner. When the concentration tank 5 begins to heat and evaporate the high-concentration wastewater, the drive motor 17 is started to drive the driving gear plate 19 to rotate through the transmission rod 18. The movable tooth plate 21 drives the transmission barrel 20 to rotate, and the transmission barrel 20 drives the scraper 22 to rotate, stirring the high-concentration wastewater so that it is heated evenly, and eliminates foam to prevent clogging. At the same time, after the evaporation is completed, the scraper 22 pairs The inner wall of the concentration tank 5 is scraped and cleaned to prevent insoluble matter from adhering to the inner wall of the concentration tank 5, to keep the wall of the concentration tank 5 clean, and to ensure that the generated sludge is fully discharged into the mud storage tank 2. The heat dissipation fins 40 assist the spiral coil 9 in conducting heat, so that the high-temperature refrigerant in the heating pipe 10 can preheat the high-concentration wastewater in the waste water tank 1 through the spiral coil 9 located in the waste water tank 1, thereby reducing the concentration of the concentration tank 5. The energy lost is also convenient for the cold trap condensate tank 7 to cool the condensate, thereby fully conducting heat conduction and improving energy utilization efficiency;

The defoaming support rod 24, the defoaming plate 30 and the defoaming spokes 31 are all made of high-temperature-resistant plastic, and their shape and properties remain unchanged in the high-concentration wastewater boiling at room temperature, so that as the high-concentration wastewater flows in the concentration tank 5 When the scraper 22 rotates, the two defoaming rods 24 drive the defoaming plate 30 and the defoaming spokes 31 to rotate, eliminating the liquid level. bubbles, and scrape off the bubbles in the middle of the liquid surface through the support crossbar 28 to avoid blockage caused by excessive bubbles on the liquid surface. Both sides of the limit bearing 34 are provided with oil seal rings 33, and the inner and outer sides of the transmission barrel 20 are provided with oil seals. The ring 33 is connected to the material guide tube 13 and the sealing plate 32 in a sealed and rotational manner respectively, thereby ensuring that when the transmission barrel 20 is transmitting, water vapor is prevented from contaminating various parts of the transmission and causing corrosion, and the service life of the transmission parts is extended. Through the steam guide tube 35 The water vapor in the exhaust pipe 12 is transported to the steam guide nozzle 36, the water vapor is sprayed upward through the steam guide nozzle 36, and the low-temperature refrigerant is transported through the spiral coil 9 in the cold trap condensation tank 7 to cool and condense the water vapor. Water is ventilated through the support mesh 37 to prevent small droplets from being sucked into the connecting pipe 38. At the same time, water vapor and small water droplets are further condensed to fully condense the moisture in the cold trap condensation tank 7 into liquid water. And gather at the bottom of the tank, so that it can be easily discharged into the water storage tank 3 through the drainage pipe 41, thereby fully and quickly separating the water from the high-concentration wastewater.

The above are only preferred embodiments of the present invention, and do not limit the present invention in any form. Although the present invention has been disclosed above in preferred embodiments, it is not intended to limit the present invention. Anyone skilled in the art , without departing from the scope of the technical solution of the present invention, the technical contents disclosed above can be used to make some changes or modifications to equivalent embodiments with equivalent changes. However, without departing from the technical solution of the present invention, according to the technical solution of the present invention, In essence, any brief modifications, equivalent changes, and modifications made to the above embodiments still fall within the scope of the technical solution of the present invention.

Claims (9)

1. A evaporation treatment device for high concentration waste water, its characterized in that, including waste water jar (1), mud storage jar (2), water storage jar (3) and vacuum pump (4) that set gradually, concentrated jar (5) and air conditioner (6) are installed in proper order from bottom to top in the top of mud storage jar (2), cold trap condensate tank (7) are installed at the top of water storage jar (3), all install helical coil (9) in waste water jar (1) and the cold trap condensate tank (7), air conditioner (6) are linked together with helical coil (9) of cold trap condensate tank (7) through refrigerating pipe (8), and air conditioner (6) are linked together with helical coil (9) in waste water jar (1) through heating pipe (10), waste water jar (1) are linked together with concentrated jar (5) through aqueduct (11), cold trap condensate tank (7) are linked together with concentrated jar (5) through blast pipe (12).

2. The evaporation treatment device for high-concentration wastewater according to claim 1, wherein a material guide pipe (13) is penetrated through the top of the concentration tank (5) in a sealing way, a tee joint device (14) is arranged at the upper end of the material guide pipe (13), one end of the tee joint device (14) is communicated with the water guide pipe (11), the other end of the tee joint device (14) is communicated with the exhaust pipe (12), the tee joint device (14) is communicated with the water guide pipe (11) through a first valve (15), and the tee joint device (14) is communicated with the exhaust pipe (12) through a second valve (16).

3. The evaporation treatment device for high-concentration wastewater according to claim 2, wherein a driving motor (17) is installed on one side of the upper part of the concentrating tank (5), one end of a driving shaft of the driving motor (17) is fixedly connected with a driving rod (18), the driving rod (18) penetrates through the top of the concentrating tank (5) and is in sealed rotation connection with the concentrating tank (5), one end of the driving rod (18) located in the concentrating tank (5) is fixedly connected with a driving fluted disc (19), the periphery of the middle part of the material guiding pipe (13) is movably sleeved with a driving cylinder (20), the periphery of the upper end of the driving cylinder (20) is fixedly sleeved with a driven fluted disc (21), the driven fluted disc (21) is in meshed transmission with the driving fluted disc (19), both sides of the lower end of the driving cylinder (20) are fixedly connected with scraping strips (22), and the scraping strips (22) are U-shaped and are matched with the inner wall of the concentrating tank (5).

4. The evaporation treatment device for high-concentration wastewater according to claim 3, wherein a limit sliding rod (23) is fixedly connected to one side of the scraping strip (22) close to the material guiding pipe (13), a foam removing device is mounted on the limit sliding rod (23), the foam removing device comprises foam removing supporting rods (24), two foam removing supporting rods (24) are arranged, a supporting cross rod (28) is arranged between the two foam removing supporting rods (24), the supporting cross rod (28) and the foam removing supporting rods (24) are connected through a limit sliding sleeve (29), the limit sliding sleeve (29) is sleeved on the limit sliding rod (23) in a sliding mode, foam removing plates (30) are fixedly connected to two sides of the foam removing supporting rods (24), a plurality of foam removing spokes (31) which are symmetrically and uniformly distributed in equal distance are fixedly connected to the upper side and the lower side of the foam removing plates (30), and the foam removing supporting rods (24), the foam removing plates (30) and the foam removing spokes (31) are made of high-temperature resistant plastic.

5. The evaporation treatment device for high-concentration wastewater according to claim 3, wherein the outer periphery of the transmission cylinder (20) is movably sleeved with a sealing plate (32), the sealing plate (32) is fixedly connected with the inner side of the top of the concentration tank (5), the middle parts of the inner side and the outer side of the transmission cylinder (20) are respectively connected with the material guiding pipe (13) and the sealing plate (32) in a rotating way through limiting bearings (34), oil sealing rings (33) are respectively arranged on the two sides of the limiting bearings (34), and the inner side and the outer side of the transmission cylinder (20) are respectively connected with the material guiding pipe (13) and the sealing plate (32) in a sealing and rotating way through the oil sealing rings (33).

6. The evaporation treatment device for high-concentration wastewater according to claim 1, wherein one end of the exhaust pipe (12) close to the cold trap condensation tank (7) is connected with a steam guide pipe (35) in a penetrating way, the steam guide pipe (35) penetrates through the upper end of the cold trap condensation tank (7) in a sealing way, the middle part of the steam guide pipe (35) is arranged in the middle part of a spiral coil (9) in the cold trap condensation tank (7), the lower end of the steam guide pipe (35) is connected with a steam guide spray head (36) in a penetrating way, and a nozzle of the steam guide spray head (36) faces upwards vertically.

7. The evaporation treatment device for high-concentration wastewater according to claim 6, wherein a communicating pipe (38) is hermetically arranged on one side of the upper end of the cold trap condensate tank (7), the cold trap condensate tank (7) is communicated with the vacuum pump (4) through the communicating pipe (38), one end of the communicating pipe (38) positioned in the cold trap condensate tank (7) is connected with an air suction cover (39) in a penetrating way, a supporting screen plate (37) is arranged on the upper side inside the cold trap condensate tank (7), the steam guide pipe (35) and the refrigerating pipe (8) penetrate through the supporting screen plate (37), and the bottom of the cold trap condensate tank (7) is communicated with the water storage tank (3) through a drain pipe (41).

8. An evaporation treatment device for high concentration waste water according to claim 1, wherein the outer circumference of the spiral coil (9) is fixedly connected with a plurality of evenly distributed heat radiation fins (40).

9. The evaporation treatment device for high-concentration wastewater according to claim 1, wherein a heat conducting plate (25) is embedded in the bottom of the concentration tank (5), a heater (26) is installed at the bottom of the heat conducting plate (25), and a heat shield (27) is arranged on the outer cover of the heater (26).