CN211836349U

CN211836349U - Triple-effect evaporator with energy-saving function

Info

Publication number: CN211836349U
Application number: CN202020379889.XU
Authority: CN
Inventors: 田秀丰; 赵艳丽; 张国超
Original assignee: Qinhuangdao Xushankou Hazardous Waste Treatment Co ltd
Current assignee: Qinhuangdao Xushankou Hazardous Waste Treatment Co ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-11-03
Anticipated expiration: 2030-03-24

Abstract

The utility model discloses a triple-effect evaporator with energy-saving function, which comprises a triple-effect heat exchanger, a single-effect separator, a double-effect heat exchanger, a double-effect separator, a triple-effect heat exchanger and a triple-effect separator, wherein a steam inlet of the triple-effect separator is communicated with a first steam recovery pipeline through a triple steam pipeline, and a port of the first steam recovery pipeline is communicated to an inlet of a heat pump; the condensed water outlets of the first effective heat exchanger, the second effective heat exchanger and the third effective heat exchanger are communicated with the water storage tank through a condensed water recovery pipeline, and the top of the water storage tank is communicated with the inlet of the heat pump through a second steam recovery pipeline. The utility model discloses an add first steam recovery pipeline and second steam recovery pipeline and can be to vapor reuse, reduced the whole energy consumption and the manufacturing cost of equipment, energy-concerving and environment-protective, the practicality is good.

Description

Triple-effect evaporator with energy-saving function

Technical Field

The utility model relates to a triple effect evaporimeter field especially relates to a triple effect evaporimeter with energy-conserving function.

Background

Waste water is always a difficult problem in waste water treatment, widely exists in industries such as petroleum, chemical engineering, food, waste liquid treatment, intermediates and the like, common oxygen-consuming anaerobic biochemical treatment cannot be used due to the restriction of salt tolerance of bacteria, and multi-effect evaporation treatment is mainly adopted at present.

The triple-effect evaporator is a special device for extraction and concentration, adopts the working principle of shell and tube circulation external heating, has short physical heating time, high evaporation speed and large concentration ratio, effectively keeps the original material effect, has obvious energy-saving effect, and is widely applied to the evaporation and concentration process of liquid materials in pharmacy, chemical industry, food, light industry and the like. However, the conventional triple-effect evaporator still has some problems in the actual use process, for example, the water vapor in the third separator in the triple-effect evaporator is not fully utilized, and a large amount of water vapor in each heat exchanger is not liquefied and is directly discharged to the outside, and for the above situation, a triple-effect evaporator with an energy-saving function can be designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a triple effect evaporimeter with energy-conserving function, the vapor of solving current triple effect evaporimeter is not by make full use of's problem.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model relates to a triple effect evaporimeter with energy-conserving function, including one imitate heat exchanger, one imitate the separator, two imitate heat exchanger, two imitate the separator, three imitate heat exchanger, three imitate the separator, the steam inlet of one imitate the heat exchanger passes through pipeline and heat pump export intercommunication, the steam outlet of one imitate the separator with the steam inlet of two imitate the heat exchanger passes through once steam conduit intercommunication, the steam outlet of two imitate the separator with the steam inlet of three imitate the heat exchanger passes through the secondary steam pipeline intercommunication, the steam inlet of three imitate the separator passes through cubic steam conduit and first steam recovery pipeline intercommunication, a port of first steam recovery pipeline communicates to the import of heat pump;

condensed water outlets of the first-effect heat exchanger, the second-effect heat exchanger and the third-effect heat exchanger are communicated with a water storage tank through condensed water recovery pipelines, and the top of the water storage tank is communicated with an inlet of the heat pump through a second steam recovery pipeline;

all be provided with the pivot in the inner chamber of an effect separator, two effect separators and three effect separators, the top and the setting of pivot are in a drive arrangement power connection at effect separator, two effect separators or three effect separators top, the outer wall and the revolving frame fixed connection of pivot, the slip joint has T shape to scrape the blade holder on two vertical sides of revolving frame along length direction, there is the rubber scraper blade outside of T shape scraper holder along length direction through bolted connection, the top surface fixedly connected with baffle of blade holder is scraped to T shape, be provided with the fixed orifices on the baffle.

Furthermore, mounting grooves are formed in two vertical side edges of the rotating frame along the length direction, the cross section of each mounting groove is T-shaped, and the T-shaped scraper seat is connected in the mounting grooves in a sliding and clamping mode.

Furthermore, a hanging ring for taking the lifting hook is fixed on the top surface of the baffle.

Furthermore, the top parts of the first-effect separator, the second-effect separator and the third-effect separator are provided with sealing covers for replacing the rubber scrapers.

Furthermore, all be provided with steam filter equipment on primary steam pipeline, secondary steam pipeline and the tertiary steam pipeline, steam filter equipment is including filtering casing and top cap, the interval is provided with two filter screens in the filtration casing.

Compared with the prior art, the utility model discloses a beneficial technological effect:

the utility model discloses an add first steam recovery pipeline and second steam recovery pipeline and can be to vapor reuse, reduced the whole energy consumption and the manufacturing cost of equipment, energy-concerving and environment-protective, the practicality is good, simultaneously, set up rubber scraper in the separator, can effectively strike off the adhesion waste water educt on the separator inner wall, avoid the waste water educt to corrode the separator, the effectual equipment of having protected has improved the life of equipment.

Drawings

The present invention will be further explained with reference to the following description of the drawings.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the internal structure of a single effect separator;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a schematic structural view of the vapor filtering device.

Description of reference numerals: 1. an efficient heat exchanger; 2. a first effect separator; 3. a two-effect heat exchanger; 4. a two-effect separator; 5. a three-effect heat exchanger; 6. a three-effect separator; 7. a heat pump; 8. a primary steam line; 9. a secondary steam line; 10. a tertiary steam pipeline; 11. a first vapor recovery conduit; 12. a rotating shaft; 13. a drive device; 14. a rotating frame; 15. a T-shaped scraper seat; 16. a rubber blade; 17. a baffle plate; 18. a fixing hole; 19. hanging a ring; 20. a sealing cover; 21. a vapor filtration device; 211. a filter housing; 212. a top cover; 213. a filter screen; 22. a condensate recovery pipeline; 23. a water storage tank; 24. a second vapor recovery conduit.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1, the embodiment discloses a three-effect evaporator with energy saving function, which comprises a first-effect heat exchanger 1, a first-effect separator 2, a second-effect heat exchanger 3, a second-effect separator 4, a three-effect heat exchanger 5 and a three-effect separator 6. The first-effect heat exchanger 1 and the first-effect separator 2 form a first-effect evaporator, the second-effect heat exchanger 3 and the second-effect separator 4 form a second-effect evaporator, and the third-effect heat exchanger 5 and the third-effect separator 6 form a third-effect evaporator.

The steam inlet of the first-effect heat exchanger 1 is communicated with the outlet of the heat pump 7 through a pipeline, the steam outlet of the first-effect separator 2 is communicated with the steam inlet of the second-effect heat exchanger 3 through a primary steam pipeline 8, and the steam outlet of the second-effect separator 4 is communicated with the steam inlet of the third-effect heat exchanger 5 through a secondary steam pipeline 9.

The outer side walls of the first effective heat exchanger 1, the second effective heat exchanger 3 and the third effective heat exchanger 5 are communicated with a steam inlet and a condensed water outlet, and the top and the bottom of the heat exchangers are respectively an outlet and an inlet of a wastewater material. The discharge hole at the top of the first-effect heat exchanger 1 is communicated with the feed inlet of the first-effect separator 2 through a pipeline, the bottom of the first-effect separator 2 is communicated with the feed inlet at the bottom of the second-effect heat exchanger 3 through a pipeline, and similarly, the installation and connection methods of the second-effect heat exchanger 3, the second-effect separator 4, the third-effect heat exchanger 5 and the third-effect separator 6 are the same, and are not described herein again. For the field of triple effect evaporators, heat exchangers and separators are known in the art and are well within the skill of those in the art.

In order to fully utilize the preheating steam of the three-effect separator 6 and the preheating steam of each heat exchanger condensate water, a steam inlet of the three-effect separator 6 is communicated with a first steam recovery pipeline 11 through a tertiary steam pipeline 10. One end of the first vapor recovery duct 11 communicates with the inlet of the heat pump 7. The condensed water outlets of the first-effect heat exchanger 1, the second-effect heat exchanger 3 and the third-effect heat exchanger 5 are communicated with a water storage tank 23 through a condensed water recovery pipeline 22, and the top of the water storage tank 23 is communicated with the inlet of the heat pump 7 through a second steam recovery pipeline 24. The preheating steam in the system can be fully utilized for the second time by arranging the first steam recovery pipeline 11, the condensate water recovery pipeline 22 and the second steam recovery pipeline 24, the energy-saving effect of the system is greatly improved, and the pollution to the environment is reduced.

As shown in fig. 2 and 3, in order to prevent solid matters in the wastewater from adhering to the inner wall of the separator, rotating shafts 12 are arranged in inner cavities of the first-effect separator 2, the second-effect separator 4 and the third-effect separator 6, the rotating shafts 12 are rotatably connected to the top of the separator through sealed bearings, the top ends of the rotating shafts 12 are in power connection with driving devices 13 arranged at the top of the first-effect separator 2, the second-effect separator 4 or the third-effect separator 6, the driving devices 13 can adopt motors, the motors drive the rotating shafts 12 to rotate through worm gears and worm mechanisms, the worms are arranged on driving shafts of the motors, and the turbines are arranged on the rotating shafts 12. The outer wall and the revolving frame 14 welded fastening of pivot 12, revolving frame 14's two vertical sides along length direction go up the slip joint have T shape scraper seat 15, specifically, revolving frame 14's two vertical sides have seted up the mounting groove on along length direction, and the cross-section of mounting groove is T shape, and T shape scraper seat 15 slip joint is in the mounting groove. The outside of T shape scraper seat 15 has rubber scraper 16 through bolted connection along length direction, and the top surface welding of T shape scraper seat 15 has baffle 17, is provided with fixed orifices 18 on the baffle 17, and the fixed of baffle 17 is specifically, runs through behind fixed orifices 18 through the bolt and passes through threaded connection at revolving frame 14, can fix baffle 17.

The top of the first-effect separator 2, the second-effect separator 4 and the third-effect separator 6 are all provided with a sealing cover 20 for replacing the rubber scraper 16, and the top surface of the baffle 17 is welded with a hanging ring 19 for taking a lifting hook. When the rubber scraper 16 is replaced, the T-shaped scraper seat 15 can be pulled out from the mounting groove only by opening the sealing cover 20, loosening the bolt for fastening the baffle 17 through a wrench and then hooking the hanging ring 19 through the hook.

As shown in fig. 4, when the steam pipeline is used for conveying hot steam, the steam pipeline is easily blocked by microparticles, in order to avoid the blockage of the steam pipeline, the steam filtering device 21 is arranged on the primary steam pipeline 8, the secondary steam pipeline 9 and the tertiary steam pipeline 10, the steam filtering device 21 comprises a filtering shell 211 and a top cover 212, the top cover 212 is connected on the filtering shell 211 through bolts, a sealing gasket is arranged between the top cover 212 and the filtering shell 211, two filtering nets 213 are arranged at the middle of the filtering shell 211 at intervals, the filtering nets 213 can be clamped in the filtering shell 211 in a sliding mode, and only need to be drawn out when being replaced, and a new one can be inserted again.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides a triple-effect evaporator with energy-conserving function, includes one imitates heat exchanger (1), one imitates separator (2), two imitates heat exchanger (3), two imitates separator (4), three imitates heat exchanger (5), three imitates separator (6), the steam inlet of one imitate heat exchanger (1) passes through the export intercommunication of pipeline with heat pump (7), the steam outlet of one imitate separator (2) with the steam inlet of two imitate heat exchanger (3) passes through once steam conduit (8) intercommunication, the steam outlet of two imitate separator (4) with the steam inlet of three imitate heat exchanger (5) passes through secondary steam conduit (9) intercommunication, its characterized in that: a steam inlet of the three-effect separator (6) is communicated with a first steam recovery pipeline (11) through a tertiary steam pipeline (10), and a port of the first steam recovery pipeline (11) is communicated to an inlet of the heat pump (7);

condensed water outlets of the first-effect heat exchanger (1), the second-effect heat exchanger (3) and the third-effect heat exchanger (5) are communicated with a water storage tank (23) through a condensed water recovery pipeline (22), and the top of the water storage tank (23) is communicated with an inlet of the heat pump (7) through a second steam recovery pipeline (24);

all be provided with pivot (12) in the inner chamber of an effect separator (2), two effect separator (4) and three effect separator (6), the top and the setting of pivot (12) are in drive arrangement (13) power connection at an effect separator (2), two effect separator (4) or three effect separator (6) top, the outer wall and revolving frame (14) fixed connection of pivot (12), two vertical sides of revolving frame (14) slide the joint along length direction and have T shape scraper seat (15), there are rubber scraper (16) in the outside of T shape scraper seat (15) through bolted connection along length direction, the top surface fixedly connected with baffle (17) of T shape scraper seat (15), be provided with fixed orifices (18) on baffle (17).

2. The triple-effect evaporator with energy saving function according to claim 1, wherein: the mounting groove has been seted up along length direction to two vertical sides of revolving frame (14), the cross-section of mounting groove is T shape, T shape scraper seat (15) slip joint is in the mounting groove.

3. The triple-effect evaporator with energy saving function according to claim 1, wherein: and a hanging ring (19) for taking a lifting hook is fixed on the top surface of the baffle (17).

4. The triple-effect evaporator with energy saving function according to claim 1, wherein: the top parts of the first-effect separator (2), the second-effect separator (4) and the third-effect separator (6) are all provided with sealing covers (20) used for replacing the rubber scrapers (16).

5. The triple-effect evaporator with energy saving function according to claim 1, wherein: all be provided with steam filtering device (21) on primary steam pipeline (8), secondary steam pipeline (9) and tertiary steam pipeline (10), steam filtering device (21) are including filtering casing (211) and top cap (212), the interval is provided with two filter screens (213) in filtering casing (211).