CN217697955U

CN217697955U - Energy-saving consumption-reducing four-effect falling film evaporator

Info

Publication number: CN217697955U
Application number: CN202221335799.6U
Authority: CN
Inventors: 张治铁; 张俊琪
Original assignee: Guangdong Donghe Industrial Co ltd
Current assignee: Guangdong Donghe Industrial Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-11-01
Anticipated expiration: 2032-05-31

Abstract

The utility model discloses an energy saving and consumption reduction's four-effect falling film evaporation ware relates to falling film evaporation ware technical field, for solving among the prior art when supplying steam to the evaporimeter, need the boiler heating supply, has caused the problem of the waste of the energy. One side fixed mounting of first evaporimeter has the steam supply pipe, the below fixed mounting of steam supply pipe has external pipe, one side fixed mounting of steam supply pipe has the output tube, the top of output tube is provided with the warming-up box, and the inside of output tube insertion warming-up box, the top of warming-up box is provided with the back flow, one side fixed mounting of back flow has the steam delivery pump, one side fixed mounting of steam delivery pump has the connecting pipe, the inside of warming-up box is provided with the liquid distribution pipe, and liquid distribution pipe and back flow pass through flange fixed connection.

Description

Energy-saving consumption-reducing four-effect falling film evaporator

Technical Field

The utility model relates to a falling film evaporator technical field specifically is an energy saving and consumption reduction's four-effect falling film evaporator.

Background

The falling-film evaporator is a device for concentrating feed liquid, and along with the continuous improvement of the technology, in order to better concentrate the feed liquid, the four-effect falling-film evaporator appears, and is suitable for low-temperature continuous evaporation and concentration in the industries of milk, glucose, starch, xylose, pharmacy, chemical engineering, bioengineering, environmental protection engineering, waste liquid recovery and the like;

for example, granted patent No. CN204159049U (a four-effect vacuum falling film evaporator with vapor recovery device): the system comprises an A-row tube evaporator, a material tube, a steam tube, an A separator, an A pump, a B-row tube evaporator, an A conveying tube, a B separator, a B pump, a C-row tube evaporator, a B conveying tube, a C separator, a C pump, a D-row tube evaporator, a C conveying tube, a D separator and a steam recovery device, wherein the steam recovery device comprises a heat exchanger, a cold water tube, a vacuum tank, a vacuum pump, a D pump and a boiler;

although the steam heat is recovered through heat exchange in the prior art, the heat exchange has energy loss, and needs water to flow circularly, so that the efficiency is low, and therefore, when the steam is supplied to the evaporator, the boiler needs to be heated and supplied again, which causes waste of energy; therefore, the market urgently needs to develop a four-effect falling-film evaporator with energy saving and consumption reduction to help people to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an energy saving and consumption reduction's four-effect falling film evaporation ware to the problem of the waste of the energy has been caused in the boiler heating supply of need when solving the steam of providing to the evaporimeter among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an energy saving and consumption reduction's four-effect falling film evaporator, includes first evaporimeter, one side fixed mounting of first evaporimeter has the steam supply pipe, the below fixed mounting of steam supply pipe has external pipe, one side fixed mounting of steam supply pipe has the output tube, the top of output tube is provided with the warming box, and the inside of warming box is inserted to the output tube, the top of warming box is provided with the back flow, one side fixed mounting of back flow has the steam delivery pump, one side fixed mounting of steam delivery pump has the connecting pipe.

Preferably, the inside of rising temperature case is provided with and divides the liquid pipe, and divides liquid pipe and back flow to pass through flange fixed connection, the below of dividing the liquid pipe is provided with the collecting pipe, divide fixedly connected with branch flow pipe between liquid pipe and the collecting pipe, the front end and the rear end of branch flow pipe all are provided with electric heater, the inside fixed mounting of rising temperature case has temperature sensor, the inside of branch flow pipe is provided with the center post.

Preferably, the feed liquid pipe is installed to the top of first evaporimeter, first feed liquid pipe is installed to the below of first evaporimeter, one side of first evaporimeter is provided with first separator, be connected with first conveyer pipe between first evaporimeter and the first separator, first downpipe is installed to the below of first conveyer pipe, and first downpipe and first feed liquid pipe fixed connection, first delivery pump is installed to the one end of first feed liquid pipe, first conveying pipe is installed to one side of first delivery pump.

Preferably, one side of first separator is provided with the second evaporimeter, first steam pipe is installed to the top of first separator, second feed liquid pipe is installed to the below of second evaporimeter, one side of second evaporimeter is provided with the second separator, be connected with the second conveyer pipe between second evaporimeter and the second separator, the second downpipe is installed to the below of second separator, and second downpipe and second feed liquid pipe fixed connection.

Preferably, a second conveying pump is installed at one end of the second material liquid pipe, a second material conveying pipe is installed on one side of the second conveying pump, a third evaporator is arranged on one side of the second separator, a second steam pipe is installed above the second separator, a third separator is arranged on one side of the third evaporator, a third conveying pipe is connected between the third evaporator and the third separator, and a third material liquid pipe is installed below the third evaporator.

Preferably, a third downpipe is installed to the below of third separator, and third downpipe and third feed liquid pipe fixed connection, the third delivery pump is installed to the one end of third feed liquid pipe, the third conveying pipe is installed to one side of third delivery pump, one side of third separator is provided with the fourth evaporimeter, the third steam pipe is installed to the top of third separator, the fourth feed liquid pipe is installed to the below of fourth evaporimeter.

Preferably, one side of fourth evaporimeter is provided with the fourth separator, be connected with the fourth conveyer pipe between fourth evaporimeter and the fourth separator, the fourth downpipe is installed to the below of fourth separator, and fourth downpipe and fourth feed liquid pipe fixed connection, the storage tank is installed to the one end of fourth feed liquid pipe, the fourth steam pipe is installed to the top of fourth separator, and fourth steam pipe and connecting pipe fixed connection.

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

1. the utility model discloses a through the setting of back flow and warming box, can make steam flow back, continue to use, reduced energy consumption, improved energy-conservation, wherein be provided with electric heater in the warming box, can carry out reheating evaporation to the water droplet at reflux in-process steam liquefaction, improved the stability that steam carried, and through the setting of shunt tubes and a branch flow tube, can improve liquefaction water droplet heating capacity, increase evaporation rate, further saved the consumption of the energy, improved the practicality.

2. The utility model discloses a through temperature sensor's setting, wherein temperature sensor sets up at the heating-up incasement, through temperature sensor's effect, can monitor the heating-up incasement temperature to be convenient for adjust electric heater's heating temperature, prevent that electric heater temperature is too high, caused unnecessary energy loss, improved the practicality.

Drawings

Fig. 1 is a front view of a four-effect falling-film evaporator of the present invention;

fig. 2 is a sectional view of the heating chamber of the present invention;

fig. 3 is a sectional view of the branch pipe of the present invention.

In the figure: 1. a feed pipe; 2. a first evaporator; 3. a first separator; 4. a first delivery pipe; 5. a first feed pipe; 6. a first down pipe; 7. a first delivery pump; 8. a first steam pipe; 9. a first feed pipe; 10. a second evaporator; 11. a second separator; 12. a second delivery pipe; 13. a second feed pipe; 14. a second down pipe; 15. a second delivery pump; 16. a second steam pipe; 17. a second feed tube; 18. a third evaporator; 19. a third separator; 20. a third delivery pipe; 21. a third feed pipe; 22. a third down pipe; 23. a third delivery pump; 24. a third steam pipe; 25. a third feed tube; 26. a fourth evaporator; 27. a fourth separator; 28. a fourth delivery pipe; 29. a fourth feed pipe; 30. a fourth down pipe; 31. a storage tank; 32. a fourth steam pipe; 33. a connecting pipe; 34. a steam delivery pump; 35. a return pipe; 36. a temperature raising box; 37. an output pipe; 38. a steam supply pipe; 39. an external connection pipe; 40. a liquid separating pipe; 41. a bypass pipe; 42. an electric heater; 43. a collector pipe; 44. a temperature sensor; 45. a central column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1-3, the present invention provides an embodiment: the four-effect falling-film evaporator comprises a first evaporator 2, a steam supply pipe 38 is fixedly installed on one side of the first evaporator 2, an external pipe 39 is fixedly installed below the steam supply pipe 38, the external pipe 39 is externally connected with a steam supply device, and further when steam is insufficient, steam can be supplied through the external device, an output pipe 37 is fixedly installed on one side of the steam supply pipe 38, a warming box 36 is arranged above the output pipe 37, the output pipe 37 is inserted into the warming box 36, a return pipe 35 is arranged above the warming box 36, the arrangement of the return pipe 35 reduces energy consumption and improves energy conservation, a steam conveying pump 34 is fixedly installed on one side of the return pipe 35, a connecting pipe 33 is fixedly installed on one side of the steam conveying pump 34, a liquid distributing pipe 40 is arranged inside the warming box 36, the liquid distributing pipe 40 and the return pipe 35 are fixedly connected through flanges, a collecting pipe 43 is arranged below the liquid distributing pipe 40, a branch pipe 41 is fixedly connected between the liquid distributing pipe 40 and the collecting pipe 43, electric heaters 42 are arranged at the front end and the rear end of the branch pipe 41, a temperature sensor 44 is fixedly installed inside the warming box 36, a branch pipe 45 is arranged, and the central column 45 can be used for improving the ability of quickly heating water body.

Further, a feed pipe 1 is installed above the first evaporator 2, a first feed pipe 5 is installed below the first evaporator 2, a first separator 3 is disposed at one side of the first evaporator 2, a first delivery pipe 4 is connected between the first evaporator 2 and the first separator 3, a first downpipe 6 is installed below the first delivery pipe 4, and the first downpipe 6 is fixedly connected with the first feed pipe 5, a first delivery pump 7 is installed at one end of the first feed pipe 5, a first feed pipe 9 is installed at one side of the first delivery pump 7, the first feed pipe 9 is fixedly connected with the upper end of the second evaporator 10 for facilitating delivery of concentrated feed liquid, a second evaporator 10 is installed at one side of the first separator 3, a first steam pipe 8 is installed above the first separator 3, the first steam pipe 8 is fixedly connected with the second evaporator 10 for facilitating steam delivery, a second feed pipe 13 is installed below the second evaporator 10, a second separator 11 is disposed at one side of the second evaporator 10, a second steam pipe 18 is installed between the second evaporator 10 and the second evaporator 10, a third feed pipe 18 is fixedly connected with a third feed pipe 18, a third feed pipe 18 is installed above the second evaporator 18, a third feed pipe 18 is fixedly connected with a second feed pipe 18, a third feed pipe 16 is installed above the second evaporator 18, a third material liquid pipe 21 is arranged below the third evaporator 18, a third downpipe 22 is arranged below the third separator 19, the third downpipe 22 is fixedly connected with the third material liquid pipe 21, a third conveying pump 23 is arranged at one end of the third material liquid pipe 21, a third feeding pipe 25 is arranged at one side of the third conveying pump 23, the third feeding pipe 25 is fixedly connected with the upper end of the fourth evaporator 26 for facilitating the conveying of the concentrated material liquid, a fourth evaporator 26 is arranged at one side of the third separator 19, a third steam pipe 24 is arranged above the third separator 19, the third steam pipe 24 is fixedly connected with the fourth evaporator 26 for facilitating the steam conveying, a fourth material liquid pipe 29 is arranged below the fourth evaporator 26, a fourth separator 27 is arranged at one side of the fourth evaporator 26, a fourth conveying pipe 28 is connected between the fourth evaporator 26 and the fourth separator 27, a fourth downpipe 30 is arranged below the fourth separator 27, the fourth downpipe 30 is fixedly connected with the fourth downpipe 29, one end of the fourth evaporator 29 is fixedly connected with a fourth material liquid tank 31, a storage tank 32 for facilitating the recovery of the concentrated material liquid, a concentrated material liquid is arranged above the concentrated material liquid, and a reflux recovery tank 32 for improving the purity of the concentrated material, and the recovery tank 32 are arranged, and the concentration tank, and the recovery tank is arranged.

The working principle is as follows: when in use, feed liquid is added into the first evaporator 2 through the feed liquid pipe 1, is uniformly distributed into each heat exchange pipe through the liquid distribution and film forming device, simultaneously, steam is conveyed into the evaporation cavity of the first evaporator 2 through the steam supply pipe 38, the feed liquid flows from top to bottom in a uniform film shape under the action of gravity, vacuum induction and air flow, the feed liquid is heated, evaporated and concentrated, the generated steam and the concentrated feed liquid jointly enter the first separator 3, part of liquefied concentrated liquid flows down into the first feed liquid pipe 5, the steam and the liquid in the first separator 3 are sufficiently separated, the concentrated feed liquid flows into the first feed liquid pipe 5 through the first downdraft pipe 6, then the concentrated feed liquid is conveyed into the second evaporator 10 through the first conveying pump 7, the concentrated feed liquid flows from top to bottom in a uniform film shape again, the steam flows into the first steam pipe 8 and is conveyed into the evaporation cavity of the second evaporator 10, the concentrated feed liquid is evaporated and concentrated for the second time, then the generated steam and the concentrated feed liquid jointly enter the second separator 11, the part of the second separator 18 flows into the second evaporator 10, the third evaporator 18, the concentrated feed liquid flows into the third evaporator 18, the concentrated feed liquid flows into the third evaporator 13, the concentrated feed liquid flows into the third feed liquid pipe 21 through the third downpipe 22, then flows from top to bottom in a uniform film shape through the third delivery pump 23, the concentrated feed liquid is delivered into the fourth evaporator 26 through the third feed pipe 25, the steam flows upward into the third steam pipe 24 and is delivered into the evaporation cavity of the fourth evaporator 26, the concentrated feed liquid is evaporated and concentrated for the fourth time, the generated steam and the concentrated feed liquid enter the fourth separator 27 together, a part of the liquefied concentrated feed liquid flows downward into the fourth feed liquid pipe 29, the steam and the liquid in the fourth separator 27 are sufficiently separated, the concentrated feed liquid flows into the fourth feed liquid pipe 29 through the fourth downpipe 30, then flows into the storage tank 31, the steam flows upward into the fourth steam pipe 32, the steam is delivered into the warming tank 36 along the connecting pipe 33 and the return pipe 35 through the action of the steam delivery pump 34, the steam flows into the branch flow pipe 41 through the branch flow pipe 40, the electric heater 42 is started, the steam liquefied steam droplets are reheated during the reflux process, the steam is delivered into the warming tank 36, the steam delivery pipe 37, the energy-saving effect is utilized, and the energy-saving capacity is increased.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A four-effect falling-film evaporator capable of saving energy and reducing consumption comprises a first evaporator (2), and is characterized in that: one side fixed mounting of first evaporimeter (2) has steam supply pipe (38), the below fixed mounting of steam supply pipe (38) has external takeover (39), one side fixed mounting of steam supply pipe (38) has output tube (37), the top of output tube (37) is provided with raising the temperature case (36), and output tube (37) inserts the inside of raising the temperature case (36), the top of raising the temperature case (36) is provided with back flow (35), one side fixed mounting of back flow (35) has steam delivery pump (34), one side fixed mounting of steam delivery pump (34) has connecting pipe (33).

2. The energy-saving consumption-reducing four-effect falling-film evaporator according to claim 1, characterized in that: the inside of rising temperature case (36) is provided with divides liquid pipe (40), and divides liquid pipe (40) and back flow pipe (35) to pass through flange fixed connection, the below of dividing liquid pipe (40) is provided with collector pipe (43), fixedly connected with branch flow pipe (41) between branch liquid pipe (40) and collector pipe (43), the front end and the rear end of branch flow pipe (41) all are provided with electric heater (42), the inside fixed mounting of rising temperature case (36) has temperature sensor (44), the inside of branch flow pipe (41) is provided with center post (45).

3. The energy-saving consumption-reducing four-effect falling-film evaporator according to claim 1, characterized in that: feed pipe (1) is installed to the top of first evaporimeter (2), first feed pipe (5) are installed to the below of first evaporimeter (2), one side of first evaporimeter (2) is provided with first separator (3), be connected with first conveyer pipe (4) between first evaporimeter (2) and first separator (3), first downpipe (6) are installed to the below of first conveyer pipe (4), and first downpipe (6) and first feed pipe (5) fixed connection, first delivery pump (7) are installed to the one end of first feed pipe (5), first conveying pipe (9) are installed to one side of first delivery pump (7).

4. The energy-saving consumption-reducing four-effect falling-film evaporator according to claim 3, characterized in that: one side of first separator (3) is provided with second evaporimeter (10), first steam pipe (8) are installed to the top of first separator (3), second feed liquid pipe (13) are installed to the below of second evaporimeter (10), one side of second evaporimeter (10) is provided with second separator (11), be connected with second conveyer pipe (12) between second evaporimeter (10) and second separator (11), second downcomer (14) are installed to the below of second separator (11), and second downcomer (14) and second feed liquid pipe (13) fixed connection.

5. The energy-saving consumption-reducing four-effect falling-film evaporator according to claim 4, characterized in that: second delivery pump (15) are installed to the one end of second feed pipe (13), second conveying pipe (17) are installed to one side of second delivery pump (15), one side of second separator (11) is provided with third evaporimeter (18), second steam pipe (16) are installed to the top of second separator (11), one side of third evaporimeter (18) is provided with third separator (19), be connected with third conveyer pipe (20) between third evaporimeter (18) and third separator (19), third feed pipe (21) are installed to the below of third evaporimeter (18).

6. The energy-saving consumption-reducing four-effect falling-film evaporator according to claim 5, characterized in that: third downcomer (22) is installed to the below of third separator (19), and third downcomer (22) and third feed liquid pipe (21) fixed connection, third delivery pump (23) are installed to the one end of third feed liquid pipe (21), third conveying pipe (25) are installed to one side of third delivery pump (23), one side of third separator (19) is provided with fourth evaporimeter (26), third steam pipe (24) are installed to the top of third separator (19), fourth feed liquid pipe (29) are installed to the below of fourth evaporimeter (26).

7. The energy-saving consumption-reducing four-effect falling-film evaporator according to claim 6, characterized in that: one side of fourth evaporimeter (26) is provided with fourth separator (27), be connected with fourth conveyer pipe (28) between fourth evaporimeter (26) and fourth separator (27), fourth downpipe (30) is installed to the below of fourth separator (27), and fourth downpipe (30) and fourth material liquid pipe (29) fixed connection, storage tank (31) are installed to the one end of fourth material liquid pipe (29), fourth steam pipe (32) are installed to the top of fourth separator (27), and fourth steam pipe (32) and connecting pipe (33) fixed connection.