CN209052425U - An energy-saving and high-efficiency sewage treatment evaporator - Google Patents

Abstract

The utility model discloses an energy-conserving high-efficient sewage treatment evaporimeter, including steam input pipeline, evaporimeter, steam output pipeline, first header tank, second header tank and sewage case, keep away from first cooling tube one side of steam heating pipe is provided with the drain pipe, is close to steam heating pipe one side of drain pipe is provided with the distributor, one side of distributor is provided with steam heating pipe, is close to the evaporimeter inner wall one side of distributor is provided with steam heating pipe export, keeps away from the distributor one side of drain pipe is provided with the demister, the demister sets up the inside at the evaporimeter. This energy-conserving high-efficient sewage treatment evaporimeter is provided with sewer line, drain pipe and distributor, when needing to change the distributor, through rotatory drain pipe, makes drain pipe and sewer line separation, then connects new drain pipe and sewer line, avoids a trouble of changing the distributor.

Description

An energy-saving and high-efficiency sewage treatment evaporator

technical field

The utility model relates to the technical field of evaporators, in particular to an energy-saving and high-efficiency sewage treatment evaporator.

Background technique

Environmental protection is the common goal of the world now, so now the sewage in factories and life needs to be treated, and the treated sewage can be discharged to the outside world and reduce the pollution to the environment.

The current evaporator is composed of horizontal tube bundles, the steam is heated in the tube, and the material liquid is sprayed from the top by a specially designed distributor through the pump to form a falling liquid film on the outer wall of the tube to evaporate.

Although there are many types and quantities of energy-saving and high-efficiency sewage treatment evaporators on the market at present, most of the energy-saving and high-efficiency sewage treatment evaporators have the disadvantage that moisture is likely to remain in the water collecting tank of the device, and the demister is inconvenient to replace. And the distributors set inside the device need to be replaced one by one, so the current energy-saving and high-efficiency sewage treatment evaporators should be improved.

Utility model content

The purpose of the present utility model is to provide an energy-saving and high-efficiency sewage treatment evaporator, so as to solve the problem that moisture is easily left in the water collecting tank of the device currently on the market proposed by the above-mentioned background technology, and the demister is inconvenient to replace, and the device is set inside the device. Dispensers need to be replaced one by one.

In order to achieve the above purpose, the utility model provides the following technical solutions: an energy-saving and high-efficiency sewage treatment evaporator, including a steam input pipeline, an evaporator, a steam output pipeline, a first water collection tank, a second water collection tank and a sewage tank, the evaporation One end of the evaporator is provided with a steam input pipe, and the same end of the evaporator close to the steam input pipe is provided with a steam output pipe, and both sides of the evaporator are provided with a first water collection tank and a second water collection tank, wherein,

A steam generator is arranged between the steam input pipe and the evaporator, one end of the steam input pipe is connected with a steam heating pipe, and one end of the steam heating pipe is provided with a steam heating pipe outlet, and the steam heating pipe is arranged at Inside the evaporator, an evaporator cover is installed on the evaporator, a steam input pipe is arranged through the evaporator cover, a fixing screw is connected between the evaporator and the evaporator cover, and the inner side of the evaporator is provided with a fixing screw. A first cooling pipe is arranged at the bottom, a second cooling pipe is arranged on the side of the first cooling pipe away from the steam heating pipe, and a drain pipe is arranged at the side of the steam heating pipe away from the first cooling pipe, A distributor is provided on one side of the drain pipe close to the steam heating pipe, a steam heating pipe is provided on one side of the distributor, and a steam heating pipe outlet is provided on the side of the distributor close to the inner wall of the evaporator. A demister is arranged on one side of the drain pipe of the distributor, and the demister is arranged inside the evaporator;

A steam compressor is arranged between the steam output pipes, one end of the steam output pipe is connected to the first cooling pipe, and the other end of the first cooling pipe away from the steam output pipe is provided with a first water collecting tank, so the The side of the first cooling pipe is provided with a second cooling pipe, one side of the first water collection tank is connected with a second cooling pipe, and the bottom of the first water collection tank is provided with a first drainage pipe, which is far away from the first water collection tank. One end of the second cooling pipe is provided with a second water collection tank, the side of the second water collection tank away from the second cooling pipe is provided with an exhaust pipe, and the bottom of the second water collection tank is connected with a second drain One end of the pipe, the other end of the second drainage pipe is connected with a distilled water tank, one side of the distilled water tank is connected with a first drainage pipe, and a side of the distilled water tank away from the first drainage pipe is provided with a distilled water pump, A heat exchanger is provided on the side of the distilled water pump away from the distilled water tank, and an exhaust pipe, a second drainage pipe and a concentrated liquid pipe are arranged side by side and vertically through the interior of the heat exchanger;

One side of the sewage tank is provided with a sewage pipe, the sewage pipe close to the distilled water tank runs through the heat exchanger, the sewage pipe far from the distilled water tank is connected with a circulating pump, and the side of the sewage pipe far from the distilled water tank is connected There is a concentrated liquid pipeline, and one end of the sewage pipeline away from the circulating pump is connected with a drain pipe.

Preferably, both ends of the outer side of the evaporator are provided with threaded holes, and a detachable structure is formed between the evaporator and the evaporator cover by fixing screws, and the fixing screws are provided with threads at both ends of the outer side of the evaporator. There is a screw connection between the hole and the evaporator, and a convex ring is arranged on the inner wall of the evaporator.

Preferably, the height of the outlet of the steam heating tube is higher than the height of the water outlet of the distributor.

Preferably, the radius of the demister is larger than the radius of the convex ring set on the inner wall of the evaporator, and the radius of the demister is smaller than the radius of the inner wall of the evaporator.

Preferably, the angle between the first cooling pipe and the second cooling pipe and the horizontal plane is the same size, and the shape and size of the first cooling pipe and the second cooling pipe are the same.

Preferably, the inner wall of the sewage pipe is provided with a threaded groove, the sewage pipe and the drain pipe are connected by a thread, the outer side of one end of the drain pipe is threaded, and the drain pipe and the distributor have an integrated structure .

Compared with the prior art, the beneficial effects of the present utility model are:

1. A first water collection tank and a second water collection tank are provided. Because the bottom of the first water collection tank is a conical structure, the first water collection tank can discharge all the distilled water inside, and there will be no residual phenomenon inside the first water collection tank. . In the same way, all the water in the second water collecting tank can be discharged;

2. Evaporator, evaporator cover, fixing screw and demister are provided. When the device has been used for a long time, the demister will be corroded by long-term water vapor, so it is necessary to replace the demister. First close the device, and then pass the Rotate the fixing screw to separate the evaporator and the evaporator cover, then take out the demister from the inside of the evaporator and place a new demister,

3. There are sewage pipes, drain pipes and distributors. When the distributor needs to be replaced, separate the drain pipes and sewage pipes by rotating the drain pipes, and then connect the new drain pipes and sewage pipes to avoid one by one. The hassle of changing dispensers.

Description of drawings

Fig. 1 is the front view structure schematic diagram of the utility model;

FIG. 2 is a schematic diagram of the cross-sectional structure of the connection between the evaporator and the first water collecting tank of the present invention;

FIG. 3 is a schematic diagram of a partially enlarged structure at A in FIG. 2 of the present utility model.

In the picture: 1. Steam input pipe, 2. Steam generator, 3. Evaporator, 4. Evaporator cover, 5. Fixing screw, 6. Steam heating pipe, 7. Steam heating pipe outlet, 8. Defroster, 9. Steam output pipeline, 10. Steam compressor, 11. First cooling pipeline, 12. First water collecting tank, 13. Second cooling pipeline, 14. Second water collecting tank, 15. First drainage pipeline, 16. No. Second drain pipe, 17, exhaust pipe, 18, distilled water tank, 19, distilled water pump, 20, heat exchanger, 21, sewage tank, 22, circulating pump, 23, sewage pipe, 24, concentrate pipe, 25, drain Tube, 26, distributor.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a technical solution: an energy-saving and high-efficiency sewage treatment evaporator, comprising a steam input pipe 1, a steam generator 2, an evaporator 3, an evaporator cover 4, a fixing screw 5, a steam input pipe 1, a steam generator 2, an evaporator 3, an evaporator cover Heating pipe 6, steam heating pipe outlet 7, demister 8, steam output pipe 9, steam compressor 10, first cooling pipe 11, first water collecting tank 12, second cooling pipe 13, second water collecting tank 14, A drain pipe 15, a second drain pipe 16, an exhaust pipe 17, a distilled water tank 18, a distilled water pump 19, a heat exchanger 20, a sewage tank 21, a circulation pump 22, a sewage pipe 23, a concentrate pipe 24, a drain pipe 25 and Distributor 26, one end of the evaporator 3 is provided with a steam input pipe 1, and the same end of the evaporator 3 close to the steam input pipe 1 is provided with a steam output pipe 9, and both sides of the evaporator 3 are provided with a first collector. The water tank 12 and the second water collection tank 14, wherein,

A steam generator 2 is arranged between the steam input pipe 1 and the evaporator 3, one end of the steam input pipe 1 is connected with a steam heating pipe 6, and one end of the steam heating pipe 6 is provided with a steam heating pipe outlet 7, The steam heating pipe 6 is arranged inside the evaporator 3, an evaporator cover 4 is installed on the evaporator 3, threaded holes are provided at both ends of the outer side of the evaporator 3, and the evaporator 3 and the evaporator cover 4 are connected. A detachable structure is formed between the fixing screws 5. The fixing screws 5 are threadedly connected to the evaporator 3 through the threaded holes provided at both ends of the outer side of the evaporator 3, and the inner wall of the evaporator 3 is provided with protrusions. By rotating the fixing screw 5, the evaporator 3 and the evaporator cover 4 are rotated and separated, and then the demister 8 is taken out from the inside of the evaporator 3, and a new demister 8 is placed. The vaporizer 8 is fixed, the vapor input pipe 1 is provided through the vaporizer cover 4, the fixing screw 5 is connected between the vaporizer 3 and the vaporizer cover 4, and the bottom of the inside of the vaporizer 3 is provided with a first A cooling pipe 11, the side of the first cooling pipe 11 away from the steam heating pipe 6 is provided with a second cooling pipe 13, and the side of the steam heating pipe 6 away from the first cooling pipe 11 is provided with a drain Pipe 25, one side of the drain pipe 25 close to the steam heating pipe 6 is provided with a distributor 26, one side of the distributor 26 is provided with the steam heating pipe 6, and the side of the distributor 26 close to the inner wall of the evaporator 3 is provided with a distributor 26. One side is provided with a steam heating tube outlet 7, and the height of the steam heating tube outlet 7 outlet is higher than the height of the water outlet of the distributor 26, because the height of the steam heating tube outlet 7 is greater than the height of the distributor 26, the above will not affect the distributor 26. Water spray gasification, the water sprayed by the distributor 26 will fall on the steam heating pipe 6, and the steam generated by the outlet 7 of the steam heating pipe will not be carried out, which will affect the water spray gasification of the distributor 26, and be far away from the A demister 8 is provided on one side of the drain pipe 25, and the demister 8 is arranged inside the evaporator 3. The radius of the demister 8 is larger than the radius of the convex ring set on the inner wall of the evaporator 3. The radius of the demister 8 is smaller than the radius of the inner wall of the evaporator 3, the demister 8 is taken out from the inside of the evaporator 3, a new demister 8 is placed, and the demister 8 is conveniently fixed by the convex ring;

A steam compressor 10 is arranged between the steam output pipes 9 , one end of the steam output pipe 9 is connected to the first cooling pipe 11 , and the other end of the first cooling pipe 11 away from the steam output pipe 9 is provided with a steam compressor 10 . The first water collecting tank 12, the side of the first cooling pipe 11 is provided with a second cooling pipe 13, the angle between the first cooling pipe 11 and the second cooling pipe 13 and the horizontal plane is the same size, the first cooling pipe 11 and the second cooling pipe 13 have the same shape and size, through the first cooling pipe 11 and the second cooling pipe 13, the steam can be double-cooled to improve the production of distilled water, and through the first cooling pipe 11 and the second cooling pipe 13. The inclined setting can make the water completely fall into the first water collecting tank 12 and the second water collecting tank 14 . There is a first drainage pipe 15, one end of the second cooling pipe 13 away from the first water collection tank 12 is provided with a second water collection tank 14, and one side of the second water collection tank 14 away from the second cooling pipe 13 is provided with a second water collection tank 14. The exhaust pipe 17, the bottom of the second water collecting tank 14 is connected with one end of the second drainage pipe 16, the other end of the second drainage pipe 16 is connected with a distilled water tank 18, and one side of the distilled water tank 18 is connected with a The first drainage pipe 15 is provided with a distilled water pump 19 on the side of the distilled water tank 18 away from the first drainage pipe 15, and a heat exchanger 20 is provided on the side of the distilled water pump 19 away from the distilled water tank 18. The interior of the exchanger 20 is provided with an exhaust pipe 17 , a second drain pipe 16 and a concentrate pipe 24 , side by side and vertically through it;

One side of the sewage tank 21 is provided with a sewage pipeline 23 , the sewage pipeline 23 close to the distilled water tank 18 runs through the heat exchanger 20 , and the sewage pipeline 23 away from the distilled water tank 18 is connected to a circulating pump 22 , away from the distilled water tank 18 . One side of the sewage pipeline 23 is connected with a concentrate pipeline 24, and one end of the sewage pipeline 23 away from the circulating pump 22 is connected with a drain pipe 25. The inner wall of the sewage pipeline 23 is provided with a threaded groove, and the sewage pipeline 23 and The drain pipes 25 are connected by threads, and the outer side of one end of the drain pipe 25 is threaded. The drain pipe 25 and the distributor 26 are integrally constructed. By rotating the drain pipe 25, the drain pipe 25 and the sewage pipe 23 Separate and then connect the new drain pipe 25 to the sewage pipe 23 to avoid the trouble of replacing the distributors 26 one by one.

Working principle: When using the energy-saving and high-efficiency sewage treatment evaporator, firstly, the steam generated by the steam generator 2 is transported to the inside of the evaporator 3 through the steam input pipe 1, and the steam is heated through the steam heating pipe 6 inside the evaporator 3. , while heating, the sewage is transported to the sewage tank 21 through the heat exchanger 20 through the sewage pipeline 23, the water is transported through the circulating pump 22, and the sewage is transported through the sewage pipeline 23 to the drain pipe 25, through the distributor 26 The water inside the drain pipe 25 is sprayed onto the steam heating pipe 6, so that the sewage is gasified through the high temperature outside the steam heating pipe 6 to form steam, and the steam heated by the steam heating pipe 6 is discharged through the steam heating pipe outlet 7, because The height of the outlet 7 of the steam heating pipe is greater than the height of the distributor 26, which will not affect the water vaporization of the distributor 26. The sewage pipeline 23 transports the impurities precipitated by the sewage, and the concentrated liquid pipeline 24 is discharged to the device through the heat exchanger 20. In addition, the demister 8 can prevent the steam from taking away a large amount of liquid, and the steam generated by the steam generator 2 and the steam from sewage gasification are transported to the steam compressor 10 through the steam output pipeline 9, and the steam is treated by the steam compressor 10. Heating is carried out, and then the heated steam is transported to the first water collecting tank 12 through the first cooling pipe 11. When the steam is transported through the first cooling pipe 11, the outside of the first cooling pipe 11 is sprayed with the distributor sewage, so that the The steam inside the first cooling pipe 11 is liquefied and falls into the first water collecting tank 12. Because the bottom of the first water collecting tank 12 has a conical structure, the first water collecting tank 12 can discharge all the distilled water inside without residue. the phenomenon, the distilled water is discharged into the distilled water tank 18 through the first drainage pipe 15 provided at the bottom of the first water collecting tank 12, and then the steam that has not been converted into liquid is transported to the second water collecting tank 14 through the second cooling pipe 13. The distilled water produced by the cooling process falls into the second water collecting tank 14 through the second drainage pipe 16, and the converted gas is also discharged to the outside of the device through the gas exhaust pipe 17, and the distilled water is discharged by the distilled water pump 19 provided on the side of the distilled water tank 18. The water inside the tank 18 is discharged to the outside of the device through the heat exchanger 20. When the device passes for a long time, the demister 8 is corroded by long-term water vapor, so the demister 8 needs to be replaced. Fix the screw 5 to rotate and separate the evaporator 3 and the evaporator cover 4, then take out the demister 8 from the inside of the evaporator 3, and place a new demister 8. When the distributor 26 needs to be replaced, pass Rotate the drain pipe 25 to separate the drain pipe 25 and the sewage pipe 23, and then connect the new drain pipe 25 and the sewage pipe 23 to avoid the trouble of replacing the distributors 26 one by one. State of the art known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principle of the present utility model, any modifications, equivalent replacements, improvements, etc. made shall be included within the protection scope of the present utility model.

Claims (6)

1. The utility model provides an energy-conserving high-efficient sewage treatment evaporimeter, includes steam input pipeline (1), evaporimeter (3), steam output pipeline (9), first header tank (12), second header tank (14) and sewage case (21), its characterized in that: a steam input pipeline (1) is arranged at one end of the evaporator (3), a steam output pipeline (9) is arranged at the same end of the evaporator (3) close to the steam input pipeline (1), a first water collecting tank (12) and a second water collecting tank (14) are arranged at two sides of the evaporator (3), wherein,

a steam generator (2) is arranged between the steam input pipeline (1) and the evaporator (3), one end of the steam input pipeline (1) is connected with a steam heating pipe (6), one end of the steam heating pipe (6) is provided with a steam heating pipe outlet (7), the steam heating pipe (6) is arranged inside the evaporator (3), an evaporator cover (4) is installed on the evaporator (3), the steam input pipeline (1) is arranged on the evaporator cover (4) in a penetrating manner, a fixing screw (5) is connected between the evaporator (3) and the evaporator cover (4), a first cooling pipeline (11) is arranged at the bottom of the inner side of the evaporator (3), a second cooling pipeline (13) is arranged at one side of the first cooling pipeline (11) far away from the steam heating pipe (6), and a drain pipe (25) is arranged at one side of the steam heating pipe (6) far away from the first cooling pipeline (11), a distributor (26) is arranged on one side, close to the water drainage pipe (25), of the steam heating pipe (6), a steam heating pipe (6) is arranged on one side of the distributor (26), close to the inner wall of the evaporator (3), of the distributor (26), a steam heating pipe outlet (7) is arranged on one side of the distributor (26), a demister (8) is arranged on one side, far away from the distributor (26), of the water drainage pipe (25), and the demister (8) is arranged inside the evaporator (3);

a steam compressor (10) is arranged between the steam output pipelines (9), one end of each steam output pipeline (9) is connected onto a first cooling pipeline (11), a first water collecting tank (12) is arranged at the other end of each first cooling pipeline (11) far away from the steam output pipeline (9), a second cooling pipeline (13) is arranged on the side surface of each first cooling pipeline (11), one side of each first water collecting tank (12) is connected with the corresponding second cooling pipeline (13), a first water draining pipeline (15) is arranged at the bottom of each first water collecting tank (12), one end of each second cooling pipeline (13) far away from the corresponding first water collecting tank (12) is provided with a second water collecting tank (14), one side of each second water collecting tank (14) far away from the corresponding second cooling pipeline (13) is provided with an air draining pipeline (17), and the bottom of each second water collecting tank (14) is connected with one end of a second water draining pipeline (16), the other end of the second water drainage pipeline (16) is connected with a distilled water tank (18), one side of the distilled water tank (18) is connected with a first water drainage pipeline (15), one side, far away from the first water drainage pipeline (15), of the distilled water tank (18) is provided with a distilled water pump (19), one side, far away from the distilled water tank (18), of the distilled water pump (19) is provided with a heat exchanger (20), and an exhaust pipeline (17), the second water drainage pipeline (16) and a concentrated solution pipeline (24) vertically penetrate through the inside of the heat exchanger (20) side by side;

a sewage pipeline (23) is arranged on one side of the sewage tank (21), the sewage pipeline (23) close to the distilled water tank (18) penetrates through the heat exchanger (20), the sewage pipeline (23) far away from the distilled water tank (18) is connected with a circulating pump (22), one side of the sewage pipeline (23) far away from the distilled water tank (18) is connected with a concentrated solution pipeline (24), and one end of the sewage pipeline (23) far away from the circulating pump (22) is connected with a drain pipe (25).

2. The energy-saving high-efficiency sewage treatment evaporator according to claim 1, characterized in that: the evaporator is characterized in that threaded holes are formed in two ends of the outer side of the evaporator (3), a detachable structure is formed between the evaporator (3) and the evaporator cover (4) through fixing screws (5), the fixing screws (5) are connected with the evaporator (3) through threads through threaded holes formed in two ends of the outer side of the evaporator (3), and convex rings are arranged on the inner wall of the evaporator (3).

3. The energy-saving high-efficiency sewage treatment evaporator according to claim 1, characterized in that: the outlet height of the steam heating pipe outlet (7) is higher than that of the water outlet of the distributor (26).

4. The energy-saving high-efficiency sewage treatment evaporator according to claim 1, characterized in that: the radius of demister (8) is greater than the radius of convex ring arranged on the inner wall of evaporator (3), and the radius of demister (8) is less than the radius of inner wall of evaporator (3).

5. The energy-saving high-efficiency sewage treatment evaporator according to claim 1, characterized in that: the included angle between the first cooling pipeline (11) and the horizontal plane is the same as that between the second cooling pipeline (13) and the horizontal plane, and the shapes and the sizes of the first cooling pipeline (11) and the second cooling pipeline (13) are the same.

6. The energy-saving high-efficiency sewage treatment evaporator according to claim 1, characterized in that: the sewage treatment device is characterized in that a thread groove is formed in the inner wall of the sewage pipeline (23), the sewage pipeline (23) is in threaded connection with the drainage pipe (25), the outer side of one end of the drainage pipe (25) is in a threaded shape, and the drainage pipe (25) and the distributor (26) are in an integrated structure.