CN213885019U - Solvent recovery device - Google Patents
Solvent recovery device Download PDFInfo
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- CN213885019U CN213885019U CN202022394088.3U CN202022394088U CN213885019U CN 213885019 U CN213885019 U CN 213885019U CN 202022394088 U CN202022394088 U CN 202022394088U CN 213885019 U CN213885019 U CN 213885019U
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- primary treatment
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- condenser
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Abstract
The utility model discloses a solvent recovery device, which comprises a primary treatment box, wherein a feed inlet is formed at the top of the primary treatment box; the top of the primary treatment box is fixed with an upper baffle, and the bottom of the primary treatment box is fixed with a lower baffle; the bottom of the upper baffle plate and the top of the lower baffle plate are overlapped, and a solution circulation gap is formed between the bottom of the upper baffle plate and the lower baffle plate; the lower baffle of the upper baffle divides the primary treatment box into a floater filtering area and a primary treatment area below the feed inlet, the bottom of the primary treatment area is communicated with a cyclone separator through a first communicating pipe, the bottom of the primary treatment area is conical, and a floater blocking ball is arranged in the primary treatment area; a liquid outlet pipe of the cyclone separator is communicated with a falling film evaporator, and a flash evaporation chamber at the bottom of the falling film evaporator is communicated with a condenser through a second communicating pipe; and a condensation tube bundle is installed in the condenser. The utility model discloses effectively got rid of the insoluble substance in the solvent, and condensed through the spiral pipe to avoided falling film evaporator to be blockked up the possibility, and effectively guaranteed the condensation effect.
Description
The technical field is as follows:
the utility model belongs to the field of machinery, especially, relate to a solvent recovery unit.
Background art:
in the fields of medicine, organic matter production, and the like, it is often necessary to recover an organic solvent by dissolving and extracting the solvent or the like and then condensing the solvent or the like. However, floating materials or precipitated particles are often present in the solvent, which causes blockage of the heat exchange tube of the falling film evaporator, and in addition, the condensation tube of the existing condenser is usually a straight tube, which causes insufficient contact time with the condensation area and incomplete condensation.
The utility model has the following contents:
an object of the utility model is to provide a solvent recovery device, the utility model discloses effectively got rid of the insoluble substance in the solvent, and condensed through the spiral pipe to avoided falling film evaporator to be blockked up the possibility, and effectively guaranteed the condensation effect.
In order to solve the above problem, the technical scheme of the utility model is that:
a solvent recovery device comprises a primary treatment box, wherein a feed inlet is formed at the top of the primary treatment box; the top of the primary treatment box is fixed with an upper baffle, and the bottom of the primary treatment box is fixed with a lower baffle; the bottom of the upper baffle plate and the top of the lower baffle plate are overlapped, and a solution circulation gap is formed between the bottom of the upper baffle plate and the lower baffle plate; the lower baffle of the upper baffle divides the primary treatment box into a floater filtering area and a primary treatment area below the feed inlet, the bottom of the primary treatment area is communicated with a cyclone separator through a first communicating pipe, the bottom of the primary treatment area is conical, and a floater blocking ball is arranged in the primary treatment area; a liquid outlet pipe of the cyclone separator is communicated with a falling film evaporator, and a flash evaporation chamber at the bottom of the falling film evaporator is communicated with a condenser through a second communicating pipe; a condensation tube bundle is arranged in the condenser, the condensation tube bundle comprises a plurality of condensation tubes, and spiral guide vanes are arranged in the condensation tubes; the flash chamber is communicated with an external pipe, and a one-way valve is arranged on the external pipe; the first communicating pipe is provided with a solution pump, and the second communicating pipe is provided with an air pump.
The improved condenser is characterized in that the condenser tube bundle is positioned in the condensing chamber, the bottom of the condensing chamber is communicated with a water inlet pipe, and the top of the condensing chamber is communicated with a water outlet pipe.
In a further improvement, a filter screen is arranged at the bottom of the liquid outlet pipe.
The falling film evaporator is further improved, and a distributor, a heat exchange tube cluster and a flash evaporation chamber are sequentially arranged from top to bottom; the heat exchange tube bundle penetrates through the heating cavity.
In a further improvement, the lower part of the condenser is provided with an observation window.
The utility model has the advantages that:
the utility model discloses effectively got rid of the insoluble substance in the solvent, and condensed through the spiral pipe to avoided falling film evaporator to be blockked up the possibility, and effectively guaranteed the condensation effect.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
The specific implementation mode is as follows:
a solvent recovery apparatus as shown in FIG. 1 comprises a preliminary treatment tank 1, a feed port 2 formed at the top of the preliminary treatment tank 1; the top of the primary treatment box 1 is fixed with an upper baffle 3, and the bottom is fixed with a lower baffle 4; the bottom of the upper baffle 3 and the top of the lower baffle 4 are overlapped, and a solution circulation gap 5 is formed between the bottom of the upper baffle 3 and the lower baffle 4; the upper baffle 3 and the lower baffle 4 divide the primary treatment box 1 into a floater filtering area 6 and a primary treatment area 7 below the feed inlet 2, the bottom of the primary treatment area 7 is communicated with a cyclone separator 9 through a first communicating pipe 8, the bottom of the primary treatment area 7 is conical, and a floater blocking ball 10 is arranged in the primary treatment area; a liquid outlet pipe 11 of the cyclone separator 9 is communicated with a falling film evaporator 12, and a flash evaporation chamber 13 at the bottom of the falling film evaporator 12 is communicated with a condenser 15 through a second communicating pipe 14; a condensation tube bundle is arranged in the condenser 15, the condensation tube bundle comprises a plurality of condensation tubes 16, and spiral guide vanes 17 are arranged in the condensation tubes 16; the flash chamber 13 is communicated with an external pipe 29, and the external pipe 16 is provided with a one-way valve 18; the first communicating pipe 8 is provided with a solution pump 19, and the second communicating pipe 14 is provided with an air pump 20.
The condensation tube bundle is positioned in the condensation chamber 21, the bottom of the condensation chamber 21 is communicated with a water inlet pipe 22, and the top of the condensation chamber is communicated with a water outlet pipe 23.
The bottom of the liquid inlet and outlet pipe 11 is provided with a filter screen 24.
The falling film evaporator 12 is sequentially provided with a distributor 25, a heat exchange tube bundle 26 and a flash chamber 13 from top to bottom; the heat exchange tube bundle 26 passes through a heating cavity 27.
The lower part of the condenser 15 is provided with an observation window 28.
When the utility model is used, the solvent is injected into the feed inlet 2, the floating objects of the solvent are blocked by the upper baffle 3 and the heavier sediment is blocked by the lower baffle 4, and then the solvent enters the cyclone separator 9 to separate the solvent from the lighter sediment; when the solution in the primary treatment area 7 is completely absorbed, the floating body blocking ball 10 blocks the first communicating pipe 8, so that the falling film evaporator 12 is prevented from being sucked and controlled to influence the evaporation effect.
The solvent enters the falling film evaporator 12 to evaporate, so that the solvent and impurities dissolved in the solvent are distilled and separated, the solvent steam enters the condenser, and the formation of gas in the condensing chamber is greatly increased through the spiral guide vane 17, so that the full condensation of sufficient solvent steam is ensured. The one-way valve is used to maintain pressure in the flash chamber 13 and to drive the solvent vapor to the condenser via the external air.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The solvent recovery device is characterized by comprising a primary treatment box (1), wherein a feeding hole (2) is formed in the top of the primary treatment box (1); the top of the primary treatment box (1) is fixed with an upper baffle (3), and the bottom of the primary treatment box is fixed with a lower baffle (4); the bottom of the upper baffle (3) and the top of the lower baffle (4) are overlapped, and a solution circulation gap (5) is formed between the bottom of the upper baffle (3) and the lower baffle (4); the upper baffle (3) and the lower baffle (4) divide the primary treatment box (1) into a floating object filtering area (6) and a primary treatment area (7) below the feed inlet (2), the bottom of the primary treatment area (7) is communicated with a cyclone separator (9) through a first communicating pipe (8), the bottom of the primary treatment area (7) is conical, and a floating body blocking ball (10) is arranged in the primary treatment area; a liquid outlet pipe (11) of the cyclone separator (9) is communicated with a falling film evaporator (12), and a flash evaporation chamber (13) at the bottom of the falling film evaporator (12) is communicated with a condenser (15) through a second communicating pipe (14); a condensation tube bundle is arranged in the condenser (15), the condensation tube bundle comprises a plurality of condensation tubes (16), and spiral guide vanes (17) are arranged in the condensation tubes (16); the flash chamber (13) is communicated with an external pipe (29), and the external pipe (29) is provided with a one-way valve (18); the first communicating pipe (8) is provided with a solution pump (19), and the second communicating pipe (14) is provided with an air pump (20).
2. The solvent recovery device according to claim 1, wherein the condenser tube bundle is located in the condenser chamber (21), the bottom of the condenser chamber (21) is communicated with a water inlet pipe (22), and the top of the condenser chamber is communicated with a water outlet pipe (23).
3. A solvent recovery device in accordance with claim 1, wherein a filter screen (24) is mounted at the bottom of the outlet pipe (11).
4. The solvent recovery apparatus according to claim 1, wherein the falling film evaporator (12) is provided with a distributor (25), a heat exchange tube bundle (26) and a flash chamber (13) in this order from top to bottom; the heat exchange tube bundle (26) penetrates through a heating cavity (27).
5. The solvent recovery device according to claim 1, wherein a viewing window (28) is installed at a lower portion of the condenser (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022394088.3U CN213885019U (en) | 2020-10-24 | 2020-10-24 | Solvent recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022394088.3U CN213885019U (en) | 2020-10-24 | 2020-10-24 | Solvent recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213885019U true CN213885019U (en) | 2021-08-06 |
Family
ID=77114260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022394088.3U Active CN213885019U (en) | 2020-10-24 | 2020-10-24 | Solvent recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213885019U (en) |
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2020
- 2020-10-24 CN CN202022394088.3U patent/CN213885019U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A solvent recovery device Effective date of registration: 20230710 Granted publication date: 20210806 Pledgee: Hunan Yueyang Rural Commercial Bank Co.,Ltd. Yunxi Sub branch Pledgor: Hunan bondboxin Environmental Protection Technology Co.,Ltd. Registration number: Y2023980048003 |