CN219272166U

CN219272166U - Climbing film evaporator

Info

Publication number: CN219272166U
Application number: CN202320305147.6U
Authority: CN
Inventors: 陈秀山; 冉飞; 刘立伟; 邹家伟; 刘国成
Original assignee: Wuxi Feiernuo Environmental Engineering Co ltd
Current assignee: Wuxi Feiernuo Environmental Engineering Co ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-06-30
Anticipated expiration: 2033-02-24

Abstract

The utility model discloses a climbing film evaporator, which has the technical scheme that: the evaporator comprises a tube sealing base, a second tube plate is fixedly connected to the inside of a third tube body, the first distance tube, the second distance tube, the third distance tube and the fourth distance tube are fixedly connected with the second tube plate, a fifth tube body is fixedly connected to the top of the guide tube, a seal head is fixedly connected to the top of the fifth tube body, a plurality of boiling tubes are fixedly connected to the first tube plate, an evaporating medium is boiled in the boiling tubes on the upper portion of the heating chamber by means of the seal tube, the evaporator is suitable for evaporating a solution with high viscosity and easy to scar, and the first distance tube, the second distance tube, the third distance tube and the fourth distance tube are fixedly connected to the baffle plate, so that the evaporator is convenient to use by means of the bodies of the first distance tube, the second distance tube, the third distance tube and the fourth distance tube, the whole equipment is high in height and the manufacturing cost is higher than that of a common evaporator.

Description

Climbing film evaporator

Technical Field

The utility model relates to the field of evaporators, in particular to a climbing film evaporator.

Background

The external heating type natural circulation evaporator has the advantages of low total height of equipment, simple structure, convenient operation, easy cleaning and the like, and has very wide application, but is not suitable for solution diagrams with larger evaporation viscosity and serious scaling. The evaporator is suitable for the medium, but has huge equipment, multiple consumables and difficult manufacture, cleaning and maintenance. Most of the evaporators currently available still suffer from drawbacks such as: 1. the boiling tube is not needed, the evaporating medium boils in the heating tube, the 2-circulation tube is small, which is equivalent to 25% -30% of the cross-sectional area of the heating tube, the 3-equipment total height is low, and the cost is low.

Disclosure of Invention

In view of the problems mentioned in the background art, an object of the present utility model is to provide a climbing film evaporator to solve the problems mentioned in the background art.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides a climbing film evaporator, includes the tube sealing base, the upper end fixedly connected with first barrel of tube sealing base, through the first flange fixedly connected with second barrel that is equipped with on the first barrel, the inside fixedly connected with first tube sheet of second barrel, fixedly connected with a plurality of boiling tube on the first tube sheet, fixedly connected with third barrel on the second barrel, the inside fixedly connected with a plurality of baffle of third barrel, a plurality of respectively fixedly connected with first distance pipe, second distance pipe, third distance pipe, fourth distance pipe, first pull rod and second pull rod on the baffle, the inside fixedly connected with second tube sheet of third barrel, first distance pipe the second distance pipe the third nozzle stub with fourth distance pipe all with second tube sheet fixedly connected with, the top fixedly connected with fourth barrel of third barrel, be provided with fixedly connected with first nipple on the surface of fourth barrel, the top fixedly connected with fifth tube guide tube.

Through adopting above-mentioned technical scheme, through a plurality of boiling pipe of fixed connection on the first tube sheet, rely on the seal to give a new project, evaporating medium boils in the boiling pipe on heating chamber upper portion, is applicable to the evaporation of viscosity big, easy scar solution, through first distance pipe, second distance pipe, third distance pipe and the fourth distance pipe of fixed connection respectively on the baffling board, equipment overall height is higher, and the cost is higher than ordinary evaporimeter.

Preferably, the outer surface of the fourth cylinder body is provided with ear seats, and the ear seats are provided with four.

Through adopting above-mentioned technical scheme, the setting of four ear seats can conveniently install and use the evaporimeter.

Preferably, the side surface of the third cylinder is fixedly connected with a guide pipe, a pipe cover is arranged on the guide pipe, and a cover handle is arranged on the pipe cover.

Through adopting above-mentioned technical scheme, through the setting of pipe, can be convenient with other pipeline connection.

Preferably, the third cylinder body is fixedly connected with the short pipe through a second flange, the two first flanges are fixedly connected with the two second flanges through studs and first nuts, gaskets are arranged between the studs and the first nuts, and the gaskets are sleeved on the studs.

Through adopting above-mentioned technical scheme, the setting of gasket can make two first flanges and two second flanges can make first flange and second flange connection more firm.

Preferably, a plurality of notches are formed in the baffle plate.

Through adopting above-mentioned technical scheme, the setting of breach can make the gas ability circulate.

Preferably, the first distance tube, the second distance tube, the third distance tube and the fourth distance tube are detachably connected with the baffle plate through second nuts respectively.

Through adopting above-mentioned technical scheme, fix first spacer tube, second spacer tube, third spacer tube and fourth spacer tube through the second nut, can conveniently dismantle change first spacer tube, second spacer tube, third spacer tube and fourth spacer tube.

Preferably, the side surfaces of the first cylinder and the third cylinder are respectively provided with a pipe body, the two pipe bodies are respectively fixedly connected with an elbow, and a sealing gasket is arranged between each elbow and each pipe body.

Through adopting above-mentioned technical scheme, the sealed setting of filling up can make sealed effect better.

In summary, the utility model has the following advantages:

the first and the second tube plates are fixedly connected with each other through the plurality of boiling tubes, and the evaporating medium boils in the boiling tubes at the upper part of the heating chamber by means of the seal tube, so that the evaporator is suitable for evaporating the solution with high viscosity and easy scarring;

the second, the utility model uses the first distance tube, the second distance tube, the third distance tube and the fourth distance tube which are fixedly connected on the baffle plate respectively by the first distance tube, the second distance tube, the third distance tube and the fourth distance tube, the whole height of the device is higher, and the cost is higher than that of a common evaporator.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is an enlarged schematic view at A in FIG. 1;

FIG. 4 is a schematic view of the structure of the baffle of the present utility model;

fig. 5 is a schematic illustration of the connection of the washer, stud and first nut of the present utility model.

Reference numerals: 1. a tube sealing base; 2. a first cylinder; 3. a first flange; 4. a gasket; 5. a stud; 6. a first nut; 7. a first tube sheet; 8. a second cylinder; 9. a third cylinder; 10. a boiling tube; 11. a second nut; 12. a first distance tube; 13. a first pull rod; 14. a second distance tube; 15. a second pull rod; 16. a baffle plate; 17. a third fixed-distance pipe; 18. a fourth distance tube; 19. a second tube sheet; 20. a fourth cylinder; 21. setting cards; 22. a short pipe; 23. a guide cylinder; 24. an ear seat; 25. a fifth cylinder; 26. a seal head; 27. a conduit; 28. a tube cover; 29. a cover handle; 30. a tube body; 31. bending the pipe; 32. a sealing gasket; 33. and a second flange.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-5, a climbing film evaporator comprises a tube sealing base 1, the upper end of the tube sealing base 1 is fixedly connected with a first tube body 2, the first tube body 2 is fixedly connected with a second tube body 8 through a first flange 3 arranged on the first tube body 2, a first tube plate 7 is fixedly connected with a plurality of boiling tubes 10 on the first tube plate 7, a third tube body 9 is fixedly connected with the second tube body 8, a plurality of baffle plates 16 are fixedly connected with the inner part of the third tube body 9, a first distance tube 12, a second distance tube 14, a third distance tube 17, a fourth distance tube 18, a first pull rod 13 and a second pull rod 15 are respectively and fixedly connected with the baffle plates 16, a second tube plate 19 is fixedly connected with the inner part of the third tube body 8, the first tube plate 12, the second distance tube 14, the third distance tube 17 and the fourth distance tube plate 18 are fixedly connected with a third tube body 9, a third tube plate 18 is fixedly connected with a third tube plate 9, a fourth tube plate 18 is fixedly connected with a fifth tube plate 20, a sealing head is fixedly connected with a fifth tube body 20, a top end cap 20 is fixedly connected with a top of the first tube plate 20, a top end cap 20 is fixedly connected with the top of the first tube plate 20, a fifth tube body 20 is fixedly connected with the top end cap 20, a top end cap 20 is fixedly connected with the top of the second tube body 20 is fixedly connected with a fifth tube plate 18, the top cap 20 is fixedly connected with a top tube plate 18 is directly connected with a top tube 20, the top tube 2 is directly is connected with a top tube, the second distance tube 14, the third distance tube 17 and the fourth distance tube 18 are used, the whole equipment is high in height and the manufacturing cost is higher than that of a common evaporator.

Referring to fig. 1, the fourth cylinder 20 is provided with four ear seats 24 on the outer surface, and the four ear seats 24 are provided with four ear seats 24, so that the evaporator can be conveniently installed and used.

Referring to fig. 2, the side surface of the third cylinder 9 is fixedly connected with a conduit 27, a tube cover 28 is arranged on the conduit 27, and a cover handle 29 is arranged on the tube cover 28, so that the connection with other pipelines can be facilitated through the arrangement of the conduit 27.

Referring to fig. 1 and 5, the third cylinder 9 is fixedly connected with the short pipe 22 through a second flange 33, the two first flanges 3 and the two second flanges 33 are fixedly connected with a first nut 6 through a stud 5, a gasket 4 is arranged between the stud 5 and the first nut 6, the gasket 4 is sleeved on the stud 5, and the two first flanges 3 and the two second flanges 33 can be connected with the first flange 3 and the second flange 33 more firmly due to the arrangement of the gasket 4.

Referring to fig. 4, the baffle 16 is provided with a plurality of notches, and the notches are arranged to enable the gas capacity to circulate.

Referring to fig. 1, the first distance tube 12, the second distance tube 14, the third distance tube 17 and the fourth distance tube 18 are detachably connected with the baffle plate 16 through second nuts 11, and the first distance tube 12, the second distance tube 14, the third distance tube 17 and the fourth distance tube 18 are fixed through the second nuts 11, so that the first distance tube 12, the second distance tube 14, the third distance tube 17 and the fourth distance tube 18 can be conveniently detached and replaced.

Referring to fig. 3, the side surfaces of the first cylinder 2 and the third cylinder 9 are respectively provided with a pipe body 30, two pipe bodies 30 are respectively fixedly connected with an elbow pipe 31, a sealing gasket 32 is arranged between the elbow pipe 31 and the pipe bodies 30, and the sealing gasket 32 is arranged, so that the sealing effect is better.

And (3) material: the stock solution is transferred into an effect separator through negative pressure in an effect system from a liquid receiving tank, and compressed materials among effect bodies are sent to exchange heat through a heat exchanger, so that the purposes of evaporating part of water and improving concentration are achieved; the second effect is boring and depends on the pressure difference between the first effect and the second effect, the material is conveyed by the circulating pump and exchanged by the heat exchanger, so as to achieve the purposes of evaporating part of water and improving the concentration; concentrating to obtain concentrate, discharging, and steaming: the boiler generates steam, the pressure of the generated steam in the steam separation cylinder is regulated to 0.05MPa by adopting a steam automatic regulating valve and enters the first-effect heater, the secondary steam generated by the first-effect separator enters the second-effect heater as a heat source, and the secondary steam generated by the second-effect separator is condensed into water and discharged. The pressure of each effect heater and separator is controlled by a vacuum pump connected in series with a condenser, and condensed water is condensed: the raw steam enters a first-effect evaporator to release heat and then is condensed into condensed water, and the condensed water is introduced into a second-effect heat exchanger through a U-shaped pipe for recovering sensible heat because the temperature of the condensed water is higher; through flash evaporation, latent heat is recovered, condensed water in the jacket enters the condenser through a U-shaped pipe and is discharged through a condensate pump, and the U-shaped pipe has the functions of dynamic sealing and non-condensation: steam often contains small amounts of non-condensable gases, the sources of which are three: 1. heating the vapor carried in; 2. carrying in the feed liquid; 3. although the outside leakage is small in the negative pressure operation, after long-term use and accumulation, high local concentration can be formed at the local part of the condensation side, for example, 1kg of non-condensable gas is accumulated in the heating chamber, so that the heat transfer rate is obviously reduced by 60%. The evaporation system is provided with a special non-condensable gas outlet in each effect heating chamber, so that non-condensable gas valves of each effect heating chamber must be opened at any time in the evaporation process to perform periodic discharge so as to improve the heat transfer efficiency.

The use principle and the advantages are that: when the evaporator is used, the evaporating medium in the heating chamber is heated and heated, the volume expands, the boiling condition in the state is achieved in the boiling pipe at the upper part of the heating chamber due to the reduction of static pressure, a large amount of bubbles are generated in liquid, the density of the medium is also reduced, the evaporating medium entrained by liquid and air is sprayed from the boiling pipe into the evaporating chamber, the pressure is reduced due to the expansion of the volume, the liquid and air mixture is separated due to the sudden reduction of the volume, the plurality of boiling pipes 10 fixedly connected with the first pipe plate 7 are used, the evaporating medium boils in the boiling pipe 10 at the upper part of the heating chamber by virtue of the seal pipe, the evaporator is suitable for evaporating the solution with high viscosity and easy scar, and the first distance pipe 12, the second distance pipe 14, the third distance pipe 17 and the fourth distance pipe 18 fixedly connected with the baffle plate 16 are used by virtue of the first distance pipe 12, the second distance pipe 14, the third distance pipe 17 and the fourth distance pipe 18, and the whole evaporator has high overall height.

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

Claims

1. The climbing film evaporator comprises a tube sealing base (1), and is characterized in that: the upper end fixedly connected with first barrel (2) of tube sealing base (1), first barrel (2) is last through first flange (3) fixedly connected with second barrel (8) that are equipped with, the inside fixedly connected with first tube sheet (7) of second barrel (8), fixedly connected with a plurality of boiling tube (10) on first tube sheet (7), fixedly connected with third barrel (9) on second barrel (8), the inside fixedly connected with a plurality of baffling board (16) of third barrel (9), a plurality of on baffling board (16) respectively fixedly connected with first spacer tube (12), second spacer tube (14), third spacer tube (17), fourth spacer tube (18), first pull rod (13) and second pull rod (15), the inside fixedly connected with second tube sheet (19) of third barrel (9), first spacer tube (12) second spacer tube (14) and fourth spacer tube (17) and fourth spacer tube (18) are fixed with each other, fourth tube sheet (20) are connected with each other in a fixed connection top of fourth barrel (20), the top of nozzle stub (22) fixedly connected with guide cylinder (23), the top fixedly connected with fifth barrel (25) of guide cylinder (23), the top fixedly connected with head (26) of fifth barrel (25).

2. A rising film evaporator according to claim 1 wherein: the appearance of the fourth cylinder body (20) is provided with ear seats (24), and the ear seats (24) are provided with four.

3. A rising film evaporator according to claim 1 wherein: the side of the third cylinder body (9) is fixedly connected with a guide pipe (27), a pipe cover (28) is arranged on the guide pipe (27), and a cover handle (29) is arranged on the pipe cover (28).

4. A rising film evaporator according to claim 1 wherein: the third cylinder body (9) is fixedly connected with the short pipe (22) through a second flange (33) which is arranged, the first flange (3) and the second flange (33) are fixedly connected with a first nut (6) through a stud (5) which is arranged, a gasket (4) is arranged between the stud (5) and the first nut (6), and the gasket (4) is sleeved on the stud (5).

5. A rising film evaporator according to claim 1 wherein: a plurality of notches are formed in the baffle plate (16).

6. A rising film evaporator according to claim 1 wherein: the first distance tube (12), the second distance tube (14), the third distance tube (17) and the fourth distance tube (18) are respectively detachably connected with the baffle plate (16) through second nuts (11) arranged.

7. A rising film evaporator according to claim 1 wherein: the side of first barrel (2) with the side of third barrel (9) all is provided with body (30), two in body (30) all fixedly connected with return bend (31), return bend (31) with be provided with sealed pad (32) between body (30).