CN218306202U

CN218306202U - Two-stage MVR evaporator

Info

Publication number: CN218306202U
Application number: CN202222839083.6U
Authority: CN
Inventors: 果甲金
Original assignee: Hebei Zhuopu Chemical Equipment Manufacturing Co ltd
Current assignee: Hebei Zhuopu Chemical Equipment Manufacturing Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-01-17
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses a doublestage MVR evaporimeter, including two shells, still include: the limiting plate, the top and the bottom of shell communicate respectively has inlet pipe and drain pipe, be provided with liquid mechanism in the shell, the front end and the right-hand member of shell communicate respectively has intake pipe and discharging pipe, the limiting plate has two, two limiting plate fixed connection are in the shell, the intercommunication has a plurality of bent shape material pipes on the limiting plate that is located the upside, the other end of a plurality of bent shape material pipes and the limiting plate intercommunication that is located the downside, it is applicable to industry evaporation crystallization technology field, contrast prior art, gaseous liftout liquid film influences the problem of heating gasification effect, this design is through the shape that changes the material pipe, thereby the material intraductal wall contact surface is also managed to the liquid film has been changed, make the gaseous of production can flow at the material intraductal under the condition of not crowded liquid film, the rethread is given vent to anger the branch pipe and is given vent to anger to be responsible for bent shape and is derived the material pipe, this design is used comparatively simply, the practicality is higher.

Description

Two-stage MVR evaporator

Technical Field

The utility model relates to an industry evaporation crystallization technical field, concretely relates to doublestage MVR evaporimeter.

Background

As is well known, MVR is a short term for mechanical vapor recompression technology, and MVR is an energy-saving technology for reusing energy of secondary vapor generated by MVR itself, thereby reducing the demand for external energy.

When the existing MVR evaporator is used, the salt content of part of water is very low, the salt content is gradually increased along with the evaporation of water, when salt is required to be evaporated, a compressor with very high temperature rise is required to be selected, the power of a motor (22) of the compressor is larger, and the problem of energy waste is solved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a doublestage MVR evaporimeter to the gaseous problem of pushing up the liquid film influence heating gasification effect of prior art who provides in the solution background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a dual stage MVR evaporator comprising two housings and further comprising: the limiting plate, the top and the bottom of shell communicate respectively has inlet pipe and drain pipe, are provided with liquid mechanism in the shell, and the front end and the right-hand member of shell communicate respectively has intake pipe and discharging pipe, the limiting plate has two, and two limiting plate fixed connection are in the shell, and the intercommunication has a plurality of bent shape material pipes on the limiting plate that is located the upside, and the other end of a plurality of bent shape material pipes and the limiting plate intercommunication that is located the downside, the top fixedly connected with of the limiting plate that is located the downside give vent to anger and are responsible for, and the intercommunication has a plurality of branch pipes of giving vent to anger, a plurality of branch pipes and the person in charge intercommunication of giving vent to anger, and the other end that the person in charge of giving vent to anger passes the limiting plate that is located the upside, and divides the rear end of liquid mechanism and shell to extend to outside, and take out the mouth has been seted up to the left end of shell, it is provided with the baffle to take out to slide in the mouth, the right-hand member fixedly connected with filter disc of baffle, fixedly connected with the filter screen in the filter screen, the discharge pipe on the shell on the left side communicates has a transmission pipe, and the other end of transmission pipe on the shell is provided with collection mechanism.

In order to understand even each material pipe of dividing into, preferably, divide liquid mechanism includes the roof, roof fixed connection is in the shell, and the intercommunication has a plurality of unloading pipes, and is a plurality of on the roof the other end intercommunication of unloading pipe has the erector board, two links of fixedly connected with on the erector board, two the other end fixedly connected with central authorities board of link, it slides between board and the central board to erect and is provided with two branch liquid columns, divide the bottom fixedly connected with of liquid column to divide liquid scraper blade, two the top fixedly connected with internal tooth ring that divide the liquid column, two motors are installed to the bottom of roof, the output fixedly connected with gear of motor, two the gear meshes with the internal tooth ring.

In order to collect the gas after the liquid is gasified in a centralized manner, the collecting mechanism comprises a collecting box which is fixedly connected to the rear end of the shell and communicated with the gas outlet main pipe, a screen plate is fixedly connected in the collecting box, a condenser is installed at the top end of the screen plate, and the right end of the collecting box is communicated with a waste liquid pipe.

In order to control the circulation of feed liquid, gas and waste liquid, it is still further that all install switch valve on inlet pipe, drain pipe and the waste liquid pipe.

In order to pull out the baffle, as a further scheme of the scheme, the left end of the baffle is fixedly connected with an operating handle, and the operating handle is provided with anti-skidding lines.

In order to enable the discharge pipe and the transmission pipe to be communicated more firmly, as a further scheme of the scheme, flanges are fixedly connected to the right end of the discharge pipe and the left end of the transmission pipe, and the two flanges are connected through a plurality of bolts.

In order to stably support the collecting box, on the basis of the scheme, a plurality of supporting wings are fixedly connected to the collecting box, and the supporting wings are fixedly connected with the shell.

In order to erect the shell away from the ground, further based on the above scheme, a support ring is fixedly connected to the shell, a plurality of support legs are fixedly connected to the bottom end of the support ring, and anti-skid pads are fixedly connected to the bottom ends of the support legs.

(III) advantageous effects

Compared with the prior art, the utility model provides a doublestage MVR evaporimeter possesses following beneficial effect:

the utility model discloses in be convenient for advance each bent shape material pipe with the even distribution of feed liquid that lets in the shell through dividing liquid mechanism, through the limiting plate, bent shape material pipe, give vent to anger and be responsible for and the cooperation of the branch pipe of giving vent to anger, be convenient for derive bent shape material pipe with the gas after the liquid gasification, through the baffle, the cooperation of filter disc and filter screen, be convenient for filter the feed liquid that evaporation process was passed through, the cooperation of discharging pipe and inlet pipe, be convenient for carry out further processing with the feed liquid that preliminary treatment was passed through, it liquefies again and concentrates the collection to be convenient for after the gas condensation that produces the gasification through collecting mechanism, therefore, this doublestage MVR evaporimeter contrast prior art, the problem that the liquid film influences heating gasification effect is opened in gaseous top, this design is through the shape that changes the material pipe, thereby the liquid film also the material intraductal wall contact surface has changed, the gas that makes the production can flow in the material pipe under the condition of not squeezing out, rethread branch pipe of giving vent to anger is responsible for deriving bent shape material pipe, this design is used comparatively simply, the practicality is higher.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic view of a partially sectioned perspective structure of the housing and the feeding tube of the present invention;

fig. 3 is a schematic overall perspective view of another perspective view of the present invention;

FIG. 4 is a schematic view of the three-dimensional structure of the top plate and the blanking tube of the present invention;

fig. 5 is a schematic view of a partially cut-away three-dimensional structure of the limiting plate and the curved material tube of the present invention;

fig. 6 is a schematic view of the partial sectional three-dimensional structure of the collecting box and the screen plate of the present invention.

In the figure: 1. a housing; 2. a feeding pipe; 3. a liquid outlet pipe; 4. an air inlet pipe; 5. a discharge pipe; 6. a limiting plate; 7. a curved material pipe; 8. an air outlet main pipe; 9. an air outlet branch pipe; 10. a baffle plate; 11. a filter tray; 12. a filter screen; 13. a conveying pipe; 14. a top plate; 15. a discharging pipe; 16. erecting a plate; 17. a connecting frame; 18. a central plate; 19. separating the liquid column; 20. a liquid separation scraper plate; 21. an inner gear ring; 22. a motor; 23. a gear; 24. a collection box; 25. a screen plate; 26. a condenser; 27. a waste liquid pipe; 28. opening and closing the valve; 29. an operating handle; 30. a flange; 31. a bolt; 32. a support wing; 33. a support ring; 34. a support leg; 35. a non-slip mat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-6, a dual-stage MVR evaporator includes two housings 1, and further includes: the device comprises a limiting plate 6, wherein the top end and the bottom end of a shell 1 are respectively communicated with a feeding pipe 2 and a liquid outlet pipe 3, a liquid separating mechanism is arranged in the shell 1, the front end and the right end of the shell 1 are respectively communicated with an air inlet pipe 4 and a discharge pipe 5, the two limiting plates 6 are fixedly connected in the shell 1, the limiting plate 6 positioned on the upper side is communicated with a plurality of curved material pipes 7, the other ends of the curved material pipes 7 are communicated with the limiting plate 6 positioned on the lower side, the top end of the limiting plate 6 positioned on the lower side is fixedly connected with an air outlet main pipe 8, the curved material pipes 7 are communicated with a plurality of air outlet branch pipes 9, the plurality of air outlet branch pipes 9 are communicated with the air outlet main pipe 8, the other end of the air outlet main pipe 8 penetrates through the limiting plate 6 positioned on the upper side, the liquid separating mechanism and the rear end of the shell 1 to extend to the outside, the left end of the shell 1 is provided with a taking outlet, a baffle plate 10 is arranged in the taking outlet in a sliding manner, the filtering disc 11 is fixedly connected with a filtering disc 11, the filtering hole is fixedly connected with a filtering net 12, the discharging pipe 5 positioned on the left side of the shell 1 is communicated with a conveying pipe 13, the other end of the feeding pipe 13 is communicated with the shell 2 positioned on the right side, and a collecting mechanism is arranged on the shell 1;

it should be further noted that the liquid separation mechanism includes a top plate 14, the top plate 14 is fixedly connected in the housing 1, the top plate 14 is communicated with a plurality of discharging pipes 15, the other ends of the plurality of discharging pipes 15 are communicated with a mounting plate 16, the mounting plate 16 is fixedly connected with two connecting frames 17, the other ends of the two connecting frames 17 are fixedly connected with a central plate 18, two liquid separation columns 19 are slidably arranged between the mounting plate 16 and the central plate 18, the bottom ends of the liquid separation columns 19 are fixedly connected with liquid separation scrapers 20, the top ends of the two liquid separation columns 19 are fixedly connected with inner toothed rings 21, the bottom end of the top plate 14 is provided with two motors 22, the output ends of the motors 22 are fixedly connected with gears 23, the two gears 23 are meshed with the inner toothed rings 21, so as to uniformly separate the added liquid into each curved discharging pipe 7, the collection mechanism includes a collection box 24, the collection box 24 is fixedly connected at the rear end of the housing 1, the collection box 24 is communicated with the main gas outlet pipe 8, a mesh plate 25 is fixedly connected in the collection box 24, the top end of the collection box 25 is provided with a condenser 26, the mesh plate is provided with the waste liquid pipe 24, so as to facilitate the discharge of the gas from the discharge pipe 7, a condensed gas is collected on the waste liquid discharge pipe 2, and a liquid discharge valve 28 is provided with the condensed liquid discharge valve, and a waste liquid discharge valve 28;

it should be further noted that an operating handle 29 is fixedly connected to the left end of the baffle 10, anti-slip threads are arranged on the operating handle 29, so that the baffle 10 can be pulled to pull out the filter disc 11, flanges 30 are fixedly connected to the right end of the discharge pipe 5 and the left end of the transmission pipe 13, the two flanges 30 are connected through a plurality of bolts 31, so that the communication strength between the discharge pipe 5 and the transmission pipe 13 can be improved, a plurality of support wings 32 are fixedly connected to the collection box 24, the support wings 32 are fixedly connected to the casing 1, so that the collection box 24 can be stably supported and connected, a support ring 33 is fixedly connected to the casing 1, a plurality of support legs 34 are fixedly connected to the bottom end of the support ring 33, and anti-slip pads 35 are fixedly connected to the bottom ends of the support legs 34, so that the casing 1 can be supported away from the ground, and the influence of external links on the evaporation reaction in the casing 1 can be reduced.

The motor 22 and the condenser 26 in this embodiment are conventional devices that are purchased from the market and known to those skilled in the art, and the models can be selected or customized according to actual needs, in this patent, we only use them, and do not improve their structures and functions, and their setting mode, installation mode, and electrical connection mode are used.

Firstly, a motor 22 and a condenser 26 are installed according to the specification, when the double-stage MVR evaporator is used, feed liquid is introduced from a feed pipe 2 at the top end of a shell 1 on the left side, the feed liquid falls onto a top plate 14 under the action of gravity after entering the shell 1 and flows onto a limiting plate 6 on the upper side through a feed pipe 15, the motor 22 is started, the motor 22 drives a gear 23 to rotate, the gear 23 is meshed with an inner toothed ring 21 for transmission, the inner toothed ring 21 drives a liquid separation column 19 to rotate, the liquid separation column 19 drives a liquid separation scraper 20 to rotate on the limiting plate 6 on the upper side, the feed liquid is scraped to be evenly distributed into each curved material pipe 7, after the feed liquid enters the curved material pipes 7, a thin liquid film is formed on the inner wall of the curved material pipes 7, high-temperature steam is introduced from an air inlet pipe 4, the high-temperature steam enters the shell 1 and is introduced between the two limiting plates 6, the curved material pipes 7 are heated, and then are heated through the curved material pipes 7, water in the feed liquid is heated and gasified into steam, the steam flows into the main gas outlet pipe 8 through the gas outlet branch pipe 9, the steam flows into the collecting box 24 through the main gas outlet pipe 8, the condenser 26 is started, the steam is introduced into the collecting box 24 and is liquefied into water again after contacting with the condenser 26, the steam passes through the screen plate 25 and is stored in the collecting box 24, a part of the feed liquid with lower concentration after primary processing is in a liquid state, falls onto the filter disc 11 and is filtered by the filter screen 12, the feed liquid with higher concentration is stored in the shell 1 on the left side, the feed liquid with higher concentration flows into the transmission pipe 13 from the discharge pipe 5 and flows into the feed pipe 2 on the top of the shell 1 on the right side through the transmission pipe 13, the evaporation process of the shell 1 on the right side is basically the same as that of the feed high-temperature steam, the difference is that the feed steam is higher than that fed into the left side, after the processing is finished, the switch valve 28 on the liquid outlet pipe 3 on the bottom of the shell 1 on the two ears is opened, the liquid materials with different heights and concentrations are taken out, and when the liquid materials need to be cleaned, the switch valve 28 on the waste liquid pipe 27 is pulled open, and the waste water is discharged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dual stage MVR evaporator comprising two housings (1), characterized in that it further comprises:

the top end and the bottom end of the shell (1) are respectively communicated with a feeding pipe (2) and a liquid outlet pipe (3), a liquid separating mechanism is arranged in the shell (1), and the front end and the right end of the shell (1) are respectively communicated with an air inlet pipe (4) and a discharging pipe (5);

the device comprises two limiting plates (6), wherein the two limiting plates (6) are fixedly connected in a shell (1), the limiting plate (6) positioned on the upper side is communicated with a plurality of curved material pipes (7), the other ends of the curved material pipes (7) are communicated with the limiting plate (6) positioned on the lower side, the top end of the limiting plate (6) positioned on the lower side is fixedly connected with a main gas outlet pipe (8), the curved material pipes (7) are communicated with a plurality of branch gas outlet pipes (9), the plurality of branch gas outlet pipes (9) are communicated with the main gas outlet pipe (8), and the other end of the main gas outlet pipe (8) penetrates through the limiting plate (6) positioned on the upper side, a liquid separating mechanism and the rear end of the shell (1) and extends to the outside;

the left end of shell (1) has been seted up and has been taken out the mouth, it is provided with baffle (10) to slide in taking out the mouth, right-hand member fixedly connected with filter disc (11) of baffle (10), the filtration mouth has been seted up on filter disc (11), fixedly connected with filter screen (12) in the filter mouth, discharge pipe (5) that are located on left shell (1) go up the intercommunication have transmission pipe (13), the other end of transmission pipe (13) and inlet pipe (2) intercommunication on shell (1) that are located the right side, the rear end of shell (1) is provided with collects the mechanism.

2. The dual-stage MVR evaporator according to claim 1, wherein the liquid separating mechanism comprises a top plate (14), the top plate (14) is fixedly connected in the housing (1), the top plate (14) is communicated with a plurality of discharging pipes (15), the other ends of the discharging pipes (15) are communicated with an erection plate (16), the erection plate (16) is fixedly connected with two connecting frames (17), the other ends of the two connecting frames (17) are fixedly connected with a central plate (18), two liquid separating columns (19) are slidably arranged between the erection plate (16) and the central plate (18), the bottom ends of the liquid separating columns (19) are fixedly connected with liquid separating scrapers (20), the top ends of the two liquid separating columns (19) are fixedly connected with an inner toothed ring (21), the bottom end of the top plate (14) is provided with two motors (22), the output ends of the motors (22) are fixedly connected with gears (23), and the two gears (23) are meshed with the inner toothed ring (21).

3. The dual stage MVR evaporator according to claim 2, wherein the collecting mechanism comprises a collecting box (24), the collecting box (24) is fixedly connected to the rear end of the housing (1), the collecting box (24) is communicated with the main gas outlet pipe (8), a screen (25) is fixedly connected in the collecting box (24), a condenser (26) is installed at the top end of the screen (25), and a waste liquid pipe (27) is communicated with the right end of the collecting box (24).

4. The dual stage MVR evaporator according to claim 3, wherein the inlet pipe (2), the outlet pipe (3) and the waste pipe (27) are all provided with a switch valve (28).

5. The dual-stage MVR evaporator according to claim 4, wherein an operation handle (29) is fixedly connected to the left end of the baffle (10), and the operation handle (29) is provided with anti-skid lines.

6. The dual-stage MVR evaporator according to claim 5, wherein a flange (30) is fixedly connected to each of the right end of the discharge pipe (5) and the left end of the transfer pipe (13), and the two flanges (30) are connected by a plurality of bolts (31).

7. The dual stage MVR evaporator according to claim 6, wherein a plurality of support wings (32) are fixedly connected to the collection box (24), and a plurality of support wings (32) are fixedly connected to the housing (1).

8. The dual stage MVR evaporator according to claim 7, wherein a support ring (33) is fixedly connected to the housing (1), a plurality of legs (34) are fixedly connected to the bottom end of the support ring (33), and a non-slip pad (35) is fixedly connected to the bottom end of the legs (34).