CN214158553U - Clapboard falling film evaporator - Google Patents
Clapboard falling film evaporator Download PDFInfo
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- CN214158553U CN214158553U CN202022443055.3U CN202022443055U CN214158553U CN 214158553 U CN214158553 U CN 214158553U CN 202022443055 U CN202022443055 U CN 202022443055U CN 214158553 U CN214158553 U CN 214158553U
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- circulating pump
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- chamber
- falling film
- film evaporator
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Abstract
The utility model relates to a baffle falling film evaporator, which comprises a main body and a baffle arranged in the main body in the axial direction; the partition plate divides the main body into a left chamber and a right chamber and also comprises a first separator and a second separator; the first separator is communicated with the left chamber, and the second separator is communicated with the right chamber; the device also comprises a first circulating pump and a second circulating pump; the bottom of the first separator is communicated with the top of the left chamber through a first circulating pump; the bottom of the left chamber is communicated with the top of the left chamber through a first circulating pump; the bottom of the second separator is communicated with the top of the right chamber through a second circulating pump; the bottom of the right chamber is communicated with the top of the right chamber through a second circulating pump. The flow of the first circulating pump and the flow of the second circulating pump are 8-12 times of the feeding flow. The utility model has long material heating time and good heat utilization; separation efficiency is high, improves the concentrated purpose of evaporation, through self circulating pump, increases material velocity of flow and erodees the heating pipe, has reduced and has stained with wall, stifled pipe.
Description
Technical Field
The utility model belongs to the technical field of chemical industry equipment, a baffle falling film evaporator is related to.
Background
The evaporator is used for converting liquid substances into gaseous substances, when low-temperature condensed liquid passes through the evaporator, the low-temperature condensed liquid exchanges heat with outside air, is gasified to absorb heat, and mainly comprises a heating chamber and an evaporation chamber. The heating chamber provides heat required by evaporation to the liquid to promote boiling and vaporization of the liquid; the evaporation chamber makes the gas phase and the liquid phase completely separated.
The existing common evaporators have the following problems: the heating time is short, the liquid substance is not favorably converted into the gas state, and the evaporation efficiency is low; the heat is not fully utilized, so that the evaporation energy consumption is lost, and the gas-liquid separation effect after evaporation is poor; evaporator is prone to wall sticking and tube plugging.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems of the existing evaporator, the utility model provides a baffle falling film evaporator, which has long heating time and good heat utilization; separation efficiency is high, improves the concentrated purpose of evaporation, through self circulating pump, increases material velocity of flow and erodees the heating pipe, has reduced and has stained with wall, stifled pipe.
In order to realize the purpose, the utility model discloses a technical scheme is:
a baffle falling film evaporator comprises a main body and a baffle arranged in the main body in the axial direction; the partition plate divides the main body into a left chamber and a right chamber; the bottom of the left chamber is communicated with the top of the left chamber; the bottom of the right chamber is communicated with the top of the right chamber.
The baffle falling film evaporator also comprises a first separator communicated with the left chamber.
The baffle falling film evaporator also comprises a second separator communicated with the right chamber.
The clapboard falling film evaporator also comprises a first circulating pump; the bottom of the first separator is communicated with the top of the left chamber through a first circulating pump; the bottom of the left chamber is communicated with the top of the left chamber through a first circulating pump.
The flow rate of the first circulating pump is 8-12 times of the feeding flow rate.
The flow rate of the first circulating pump is 10 times of the feed flow rate.
The clapboard falling film evaporator also comprises a second circulating pump; the bottom of the second separator is communicated with the top of the right chamber through a second circulating pump; the bottom of the right chamber is communicated with the top of the right chamber through a second circulating pump.
The flow rate of the second circulating pump is 8-12 times of the feeding flow rate.
The flow rate of the second circulating pump is 10 times of the feed flow rate.
The clapboard falling film evaporator also comprises a heating pipe arranged in the main body; the partition plate penetrates through the heating pipe.
The utility model has the advantages that:
1. the utility model discloses a clapboard falling film evaporator, which comprises a main body and a clapboard axially arranged in the main body in the axial direction; the main body is divided into a left chamber and a right chamber by the partition plate, and the bottom of the left chamber is communicated with the top of the left chamber; the bottom of the right chamber is communicated with the top of the right chamber. The clapboard falling film evaporator also comprises a heating pipe arranged in the main body; the partition board axially penetrates through the heating pipe, and the two chambers are heated and evaporated together, so that the heating time of the process material is prolonged, and the heat is fully utilized; the left chamber and the right chamber are forcibly circulated, and evaporation raffinate at the bottoms of the left chamber and the right chamber is used for flushing a heating pipe at the top of the left chamber and the right chamber, so that the evaporation process is prevented from being stained with walls and blocking the pipe.
2. The utility model discloses, baffle falling film evaporator still includes the first separator that is linked together with left cavity, and baffle falling film evaporator still includes the second separator that is linked together with right cavity, and the doublestage separation makes the abundant separation of gas-liquid, reaches more efficient separation, has improved the concentrated purpose of evaporation.
3. In the utility model, the main body is divided into a left cavity and a right cavity by the clapboard, the first separator is communicated with the left cavity, the second separator is communicated with the right cavity, and the left cavity and the right cavity realize double-stage heating, thereby prolonging the heating time of materials; the two separators realize double-stage separation, so that the materials are fully heated, and a heat source is fully utilized.
4. The utility model also comprises a first circulating pump; the bottom of the first separator is communicated with the top of the left chamber through a first circulating pump; the bottom of the left cavity is communicated with the top of the left cavity through a first circulating pump, the flow of the first circulating pump is 8-12 times of the feeding flow, and the flow of the first circulating pump is 10 times of the feeding flow; the device also comprises a second circulating pump; the bottom of the second separator is communicated with the top of the right chamber through a second circulating pump; the bottom of the right cavity is communicated with the top of the right cavity through a second circulating pump, the flow of the second circulating pump is 8-12 times of the feeding flow, and the flow of the second circulating pump is 10 times of the feeding flow. The evaporator body increases the material flow velocity and flow rate through the self forced circulation pump to wash away the heating pipe in the evaporator, thereby reducing the wall sticking and pipe blocking.
Drawings
Fig. 1 is a schematic view of a falling film evaporator provided by the present invention;
wherein:
1-a main body; 11-left chamber; 12-right chamber; 2-heating a pipe; 3-a partition plate; 4-a first separator; 5-a second separator; 6-first circulation pump; 7-second circulation pump.
Detailed Description
The present invention will now be described in detail with reference to the accompanying drawings and examples.
Examples
Referring to fig. 1, the present embodiment provides a baffle falling film evaporator including a main body 1 and a baffle 3 disposed in an axial direction within the main body 1; the partition 3 divides the body 1 into a left chamber 11 and a right chamber 12; the bottom of the left chamber 11 is communicated with the top of the left chamber 11; the bottom of the right chamber 12 is communicated with the top of the right chamber 12.
In this embodiment, the main body 1 is a cylindrical tank, and the partition plate 3 is disposed in the central axial direction in the main body 1, and divides the main body 1 into a left chamber 11 and a right chamber 12 having the same size.
Referring to fig. 1, in this embodiment, the baffle falling film evaporator further comprises a first separator 4 in communication with the left chamber 11. Specifically, the middle of the first separator 4 is communicated with the middle lower part of the left chamber 11, and the bottom of the first separator 4 is communicated with the top of the left chamber 11.
Referring to fig. 1, in this embodiment, the baffle falling film evaporator further comprises a second separator 5 in communication with the right chamber 12. Specifically, the middle part of the second separator 5 is communicated with the middle lower part of the right chamber 12; the bottom of the second separator 5 communicates with the top of the right chamber 12.
Referring to fig. 1, in the present embodiment, the baffle falling film evaporator further includes a heating pipe 2 disposed in the main body 1; the partition 3 axially penetrates the heating tube 2. Specifically, the heating tube 2 is arranged at the upper section in the main body 1, the axial direction of the partition plate 3 is perpendicular to the heating tube 2, and the partition plate 3 axially penetrates through the heating tube 2.
Referring to fig. 1, in the present embodiment, the baffle falling film evaporator further includes a first circulation pump 6; the bottom of the first separator 4 is communicated with the top of the left chamber 11 through the first circulating pump 6, and the bottom of the left chamber 11 is communicated with the top of the left chamber 11 through the first circulating pump 6.
In this embodiment, the flow rate of the first circulation pump 6 is 8 to 12 times of the feed flow rate. The flow is increased, and the flushing effect is good.
Preferably, the flow rate of the first circulation pump 6 is 10 times the feed flow rate.
Referring to fig. 1, in the present embodiment, the baffle falling film evaporator further includes a second circulation pump 7; the bottom of the second separator 5 is communicated with the top of the right chamber 12 through a second circulating pump 7, and the bottom of the right chamber 12 is communicated with the top of the right chamber 12 through the second circulating pump 7.
In this embodiment, the flow rate of the second circulation pump 7 is 8 to 12 times of the feed flow rate. The flow is increased, and the flushing effect is good.
Preferably, the flow rate of the second circulation pump 7 is 10 times the feed flow rate.
In the partition falling film evaporator provided by the embodiment, when the material enters the body 1, the flow rate of the material entering is 5m3H; respectively enter into the left chamber 11 and the right chamber 12 for evaporation concentration, the concentrated solution of the left chamber 11 enters into the first separator 4 for separation to obtain liquid and steam, the liquid returns to the left chamber 11 through the first circulating pump 6, and the first circulating pump6 flow rate of 50m3H; the left chamber 11 is washed, heat is fully utilized, the phenomena of wall sticking and pipe blocking caused by concentrated solution in the evaporation process are avoided, and steam is discharged and collected; meanwhile, the unevaporated residual liquid in the left chamber 11 returns to the top of the left chamber 11 from the bottom of the left chamber 11 through the first circulating pump 6 to perform self-circulation washing on the left chamber 11; the concentrated solution in the right chamber 12 enters the second separator 5 for separation to obtain liquid and steam, the liquid returns to the right chamber 12 through the second circulating pump 7, and the flow rate of the second circulating pump 7 is 50m3The right chamber 12 is washed, heat is fully utilized, the phenomena of wall sticking and pipe blockage caused by concentrated solution in the evaporation process are avoided, and steam is discharged and collected; meanwhile, the unevaporated residual liquid in the right chamber 12 returns to the top of the right chamber 12 from the bottom of the right chamber 12 through the second circulating pump 7 to perform self-circulation flushing on the right chamber 12; the two chambers are evaporated simultaneously, so that the heating time of the process materials is prolonged, and the heat is fully utilized; the self forced circulation pump increases the flow velocity and flow of the material to wash the heating pipe 2, thereby reducing the wall sticking and pipe blockage.
The utility model prolongs the heating time of the material by two-stage heating, so that the material is fully heated and the heat source is fully utilized; the double-stage separation enables gas and liquid to be fully separated, achieves the purpose of high-efficiency separation, improves the purpose of evaporative concentration, increases the flow rate of materials to scour the heating pipe by improving the flow of the circulating pump, and reduces the wall sticking and pipe blocking.
Claims (10)
1. A baffle falling film evaporator is characterized in that: the clapboard falling film evaporator comprises a main body (1) and a clapboard (3) arranged in the main body (1) in the axial direction; the partition plate (3) divides the main body (1) into a left chamber (11) and a right chamber (12); the bottom of the left chamber (11) is communicated with the top of the left chamber (11); the bottom of the right chamber (12) is communicated with the top of the right chamber (12).
2. The baffle falling film evaporator of claim 1, wherein: the baffle falling film evaporator further comprises a first separator (4) in communication with the left chamber (11).
3. The baffle falling film evaporator of claim 2, wherein: the baffle falling film evaporator further comprises a second separator (5) in communication with the right chamber (12).
4. The baffle falling film evaporator of claim 3, wherein: the clapboard falling film evaporator also comprises a first circulating pump (6); the bottom of the first separator (4) is communicated with the top of the left chamber (11) through a first circulating pump (6); the bottom of the left chamber (11) is communicated with the top of the left chamber (11) through a first circulating pump (6).
5. The baffle falling film evaporator of claim 4, wherein: the flow of the first circulating pump (6) is 8-12 times of the feeding flow.
6. The baffle falling film evaporator of claim 5, wherein: the flow rate of the first circulating pump (6) is 10 times of the feeding flow rate.
7. The baffle falling film evaporator of claim 6, wherein: the clapboard falling film evaporator also comprises a second circulating pump (7); the bottom of the second separator (5) is communicated with the top of the right chamber (12) through a second circulating pump (7); the bottom of the right chamber (12) is communicated with the top of the right chamber (12) through a second circulating pump (7).
8. The baffle falling film evaporator of claim 7, wherein: the flow rate of the second circulating pump (7) is 8-12 times of the feeding flow rate.
9. The baffle falling film evaporator of claim 8, wherein: the flow rate of the second circulating pump (7) is 10 times of the feeding flow rate.
10. The baffle falling film evaporator of claim 9, wherein: the clapboard falling film evaporator also comprises a heating pipe (2) arranged in the main body (1); the partition plate (3) penetrates through the heating pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022443055.3U CN214158553U (en) | 2020-10-28 | 2020-10-28 | Clapboard falling film evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022443055.3U CN214158553U (en) | 2020-10-28 | 2020-10-28 | Clapboard falling film evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214158553U true CN214158553U (en) | 2021-09-10 |
Family
ID=77598399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022443055.3U Active CN214158553U (en) | 2020-10-28 | 2020-10-28 | Clapboard falling film evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214158553U (en) |
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2020
- 2020-10-28 CN CN202022443055.3U patent/CN214158553U/en active Active
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