CN218106754U - Falling film evaporation device for processing precious metals - Google Patents
Falling film evaporation device for processing precious metals Download PDFInfo
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- CN218106754U CN218106754U CN202221764439.8U CN202221764439U CN218106754U CN 218106754 U CN218106754 U CN 218106754U CN 202221764439 U CN202221764439 U CN 202221764439U CN 218106754 U CN218106754 U CN 218106754U
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- 239000011552 falling film Substances 0.000 title claims abstract description 54
- 238000001704 evaporation Methods 0.000 title claims abstract description 43
- 230000008020 evaporation Effects 0.000 title claims abstract description 43
- 239000010970 precious metal Substances 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 77
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 239000002253 acid Substances 0.000 claims abstract description 22
- 239000003595 mist Substances 0.000 claims abstract description 22
- 239000010408 film Substances 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910000510 noble metal Inorganic materials 0.000 claims abstract description 6
- 238000007664 blowing Methods 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000009833 condensation Methods 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 5
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001698 pyrogenic effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to a noble metal processingequipment technical field specifically is a falling liquid film evaporation plant is used in noble metal processing, including conduction oil circulation system, falling liquid film evaporation system, condensing system and acid mist processing system, conduction oil circulation system includes conduction oil circulation all-in-one, and falling liquid film evaporation system includes falling film evaporator and circulating pump, and condensing system includes first air condenser, second air condenser and condensate storage tank, and acid mist processing system includes acid mist treater and water circulation vacuum unit. According to the falling film evaporation device for precious metal processing, the falling film evaporation system is applied to the evaporation concentration operation of precious metal processing, recycling and reusing, so that the evaporation concentration efficiency can be effectively improved; the heat energy is provided for the heating chamber in the falling film evaporation system through the heat conduction oil circulation integrated machine, the heat exchange is carried out on the falling film tubes, the solution in the liquid storage tank can be conveyed into the steam chamber through the circulating pump, and the solution is uniformly sprayed into the falling film tubes again and is subjected to repeated evaporation and concentration treatment in and out.
Description
Technical Field
The utility model relates to a noble metal processingequipment technical field specifically is a falling liquid film evaporation plant for noble metal processing.
Background
The process of precious metal processing recovery and reuse generally comprises: raw material pretreatment, pyrogenic process, wet process, separation and purification, evaporation and concentration, filtration and washing and the like.
The falling-film evaporator is characterized in that feed liquid is added from an upper pipe box of a heating chamber of the falling-film evaporator, the feed liquid is uniformly distributed into each heat exchange pipe through a liquid distribution and film forming device, and flows from top to bottom in a uniform film shape under the action of gravity, vacuum induction and air flow, in the flowing process, the feed liquid is heated and vaporized by a shell Cheng Jiare medium, the generated steam and the generated liquid phase enter a separation chamber of the evaporator together, the steam and the liquid are fully separated, the steam enters a condenser for condensation or enters a next effective evaporator as a heating medium, so that multi-effect operation is realized, the liquid phase is discharged from the separation chamber, and the falling-film evaporator is widely applied in the industries of medicine, food, chemical industry, light industry and the like and is commonly used for evaporation and concentration of water or organic solvent solution.
In the evaporation and concentration operation of precious metal processing and recycling, a falling film evaporator is not used at present, but the evaporation and concentration effect of the falling film evaporator is better, so that a falling film evaporation device for precious metal processing is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a falling liquid film evaporation plant is used in noble metal processing to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a precious metal processing is with falling liquid film evaporation plant, includes conduction oil circulation system, falling liquid film evaporation system, condensing system and acid mist processing system, conduction oil circulation system includes conduction oil circulation all-in-one, falling liquid film evaporation system includes falling film evaporator and circulating pump, falling film evaporator includes the steam chamber, the outer wall connection of steam chamber has conveying pipeline and blast pipe, the bottom of steam chamber is equipped with the heating chamber, the bottom of heating chamber is equipped with the liquid receiver, the bottom of liquid receiver is equipped with first discharging pipe, condensing system includes first air condenser, second air condenser and condensate storage tank, the left input of first air condenser passes through pipe and blast pipe intercommunication, the output on first air condenser right side passes through the pipe and is connected with the left input of second air condenser, acid mist processing system includes acid mist treater and water circulation vacuum unit, the output on second air condenser right side passes through the pipe and is connected with the input of acid mist treater, the output of acid mist treater passes through the pipe and is connected with the input of water circulation vacuum unit.
Preferably, the input end of the heat conduction oil circulation all-in-one machine is connected with an oil return pipe, and the output end of the heat conduction oil circulation all-in-one machine is connected with an oil conveying pipe.
Preferably, an output connecting end is arranged on the outer wall of the heating chamber and close to the top, one end, far away from the heat conduction oil circulation all-in-one machine, of the oil return pipe is communicated with the output connecting end, an input connecting end is arranged on the outer wall of the heating chamber and close to the bottom, and one end, far away from the heat conduction oil circulation all-in-one machine, of the oil conveying pipe is communicated with the input connecting end.
Preferably, a gas-liquid separation area and a liquid sprayer are arranged in the steam chamber, and the delivery pipe is communicated with the liquid sprayer.
Preferably, a plurality of film falling pipes are arranged in the heating chamber, the top ends of the film falling pipes are communicated with the steam chamber, and the bottom ends of the film falling pipes are communicated with the liquid storage tank.
Preferably, an insulating layer is arranged between the outer wall and the inner wall of the liquid storage tank, an air blowing pipe is arranged in the liquid storage tank, the top end of the air blowing pipe penetrates through the inner wall of the liquid storage tank to the outside, and the air output end at the bottom of the first air condenser is communicated with the air blowing pipe through a guide pipe.
Preferably, the bottom of first discharging pipe is connected with second discharging pipe and liquid suction pipe through the three-way valve, the one end that the three-way valve was kept away from to the liquid suction pipe is connected with the input of circulating pump, the output of circulating pump is connected with the liquid sending pipe, the one end and the steam chamber intercommunication of circulating pump are kept away from to the liquid sending pipe.
Preferably, the liquid outlet at the bottom of the first air condenser is in communication with the interior of the condensate sump via a conduit, and the liquid outlet at the bottom of the second air condenser is also in communication with the interior of the condensate sump via a conduit.
Compared with the prior art, the beneficial effects of the utility model are that:
according to the falling film evaporation device for precious metal processing, the falling film evaporation system is applied to the evaporation concentration operation of precious metal processing, recycling and reusing, so that the evaporation concentration efficiency can be effectively improved; heat energy is provided for a heating chamber in the falling film evaporation system through the heat conduction oil circulation integrated machine, heat exchange is carried out on the falling film tubes, and evaporation treatment is realized; the solution in the liquid storage tank can be conveyed into a steam chamber through a circulating pump, and is uniformly sprayed into a plurality of falling film pipes again, and is subjected to multiple evaporation concentration treatment in and out; cooling the steam by a condensing system; and purifying the gas by an acid mist treatment system.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural diagram of a falling film evaporator in the present invention;
fig. 3 is a schematic partial structural view of the falling film evaporator of the present invention.
In the figure: the heat conducting oil circulation integrated machine comprises a heat conducting oil circulation integrated machine 1, an oil return pipe 10, an oil delivery pipe 11, a falling film evaporator 2, a steam chamber 20, a material delivery pipe 200, an exhaust pipe 201, a heating chamber 21, an output connecting end 210, an input connecting end 211, a liquid storage tank 22, a falling film pipe 23, an air blowing pipe 24, a circulating pump 3, a liquid pumping pipe 30, a liquid delivery pipe 31, a first air condenser 4, a second air condenser 5, a condensate storage tank 6, an acid mist processor 7, a water circulation vacuum unit 8, a first discharge pipe 12, a three-way valve 13 and a second discharge pipe 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-3, the present invention provides a technical solution:
a falling film evaporation device for precious metal processing comprises a heat conduction oil circulation system, a falling film evaporation system, a condensation system and an acid mist treatment system, wherein the heat conduction oil circulation system comprises a heat conduction oil circulation all-in-one machine 1, the falling film evaporation system comprises a falling film evaporator 2 and a circulating pump 3, the falling film evaporator 2 comprises a steam chamber 20, the outer wall of the steam chamber 20 is connected with a material conveying pipe 200 and an exhaust pipe 201, a heating chamber 21 is arranged at the bottom of the steam chamber 20, a liquid storage tank 22 is arranged at the bottom of the heating chamber 21 and used for collecting concentrated solution, a first discharge pipe 12 is arranged at the bottom end of the liquid storage tank 22, the condensation system comprises a first air condenser 4, a second air condenser 5 and a condensate storage tank 6, the left input end of the first air condenser 4 is communicated with the exhaust pipe 201 through a guide pipe, the right output end of the first air condenser 4 is connected with the left input end of the second air condenser 5 through a guide pipe, steam is cooled and treated twice, the cooling effect can be ensured, the acid mist treatment system comprises an acid mist processor 7 and a water circulation vacuum unit 8, the right output end of the second air condenser 5 is connected with the input end of the acid mist processor 7 through a guide pipe, gas desulfurization processor 7 through a vacuum unit 8, and air pollution of the acid mist is avoided, and the acid mist treatment system is connected with the input end of the vacuum unit 8 through a vacuum unit.
In this embodiment, the input of conduction oil circulation all-in-one 1 is connected with back oil pipe 10, the output of conduction oil circulation all-in-one 1 is connected with defeated oil pipe 11, the position that the outer wall of heating chamber 21 and be close to the top is equipped with output connection 210, return oil pipe 10 and keep away from the one end and the output connection 210 intercommunication of conduction oil circulation all-in-one 1, the position that the outer wall of heating chamber 21 and be close to the bottom is equipped with input connection 211, defeated oil pipe 11 keeps away from the one end and the input connection 211 intercommunication of conduction oil circulation all-in-one 1, to the hot oil of input in the heating chamber 21, carry out heat treatment to the solution in the falling film pipe 23.
Specifically, a gas-liquid separation region and a liquid sprayer are arranged in the steam chamber 20, the material conveying pipe 200 is communicated with the liquid sprayer, and the input solution is uniformly sprayed into the plurality of film falling pipes 23 to form a falling film, so that heating evaporation is facilitated.
Further, a plurality of falling film tubes 23 are provided in the heating chamber 21, the top ends of the falling film tubes 23 are communicated with the steam chamber 20, so that the steam enters the steam chamber 20, and gas-liquid separation is realized in the gas-liquid separation region, and the bottom ends of the falling film tubes 23 are communicated with the liquid storage tank 22, so that the concentrated solution permeates into the liquid storage tank 22.
Further, an insulating layer is arranged between the outer wall and the inner wall of the liquid storage tank 22, because the solution in the liquid storage tank 22 may be subjected to multiple concentration treatment according to needs, the heat dissipation can be reduced due to the arrangement of the insulating layer, multiple concentration treatment is facilitated, an air blowing pipe 24 is arranged in the liquid storage tank 22, the top end of the air blowing pipe 24 penetrates through the inner wall of the liquid storage tank 22 to the outside, and a gas output end at the bottom of the first air condenser 4 is communicated with the air blowing pipe 24 through a guide pipe to convey gas into the liquid storage tank 22, so that upward movement of steam in the falling film pipe 23 is facilitated.
Further, the bottom end of the first discharging pipe 12 is connected with a second discharging pipe 14 and a liquid pumping pipe 30 through a three-way valve 13, the concentrated solution in the liquid storage tank 22 is controlled to be discharged or repeatedly concentrated according to needs, one end of the liquid pumping pipe 30, which is far away from the three-way valve 13, is connected with the input end of the circulating pump 3, the output end of the circulating pump 3 is connected with a liquid feeding pipe 31, one end of the liquid feeding pipe 31, which is far away from the circulating pump 3, is communicated with the steam chamber 20, the concentrated solution in the liquid storage tank 22 is re-conveyed into the steam chamber 20 through the circulating pump 3, and the concentrated solution is uniformly sprayed into the plurality of membrane falling pipes 23 under the action of a liquid sprayer in the steam chamber 20.
Further, the liquid output end at the bottom of the first air condenser 4 is communicated with the interior of the condensate storage tank 6 through a conduit, and the liquid output end at the bottom of the second air condenser 5 is also communicated with the interior of the condensate storage tank 6 through a conduit, so that the condensed water in the first air condenser 4 and the second air condenser 5 is conveyed into the condensate storage tank 6.
When the falling film evaporation device for precious metal processing in the embodiment is used, a user conveys a solution to be concentrated into the steam chamber 20 through the material conveying pipe 200, the solution is uniformly sprayed into the plurality of falling film pipes 23 under the action of the liquid sprayer, falling films are formed in the falling film pipes 23, the falling film pipes 23 are heated under the heating action of hot oil, the solution in the falling film pipes 23 is heated, water and useless liquid in the solution are evaporated, the concentrated solution enters the liquid storage tank 22, the steam enters the steam chamber 20, high-temperature gas enters the first air condenser 4 after gas-liquid separation, the high-temperature gas enters the second air condenser 5 after primary cooling, the gas after secondary cooling enters the acid mist processor 7, and the gas is discharged from the water circulation vacuum unit 8 after gas desulfurization; the concentrated solution in the liquid storage tank 22 is re-delivered into the steam chamber 20 under the action of the circulating pump 3 and is uniformly sprayed into the plurality of membrane dropping pipes 23 under the action of the liquid sprayer, so that the multiple concentration treatment of the solution is realized, and the concentration effect is improved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A falling film evaporation plant for noble metal processing which characterized in that: comprises a heat conduction oil circulating system, a falling film evaporation system, a condensation system and an acid mist treatment system, wherein the heat conduction oil circulating system comprises a heat conduction oil circulating integrated machine (1), the falling film evaporation system comprises a falling film evaporator (2) and a circulating pump (3), the falling film evaporator (2) comprises a steam chamber (20), the outer wall of the steam chamber (20) is connected with a material conveying pipe (200) and an exhaust pipe (201), a heating chamber (21) is arranged at the bottom of the steam chamber (20), a liquid storage tank (22) is arranged at the bottom of the heating chamber (21), a first discharge pipe (12) is arranged at the bottom end of the liquid storage tank (22), the condensation system comprises a first air condenser (4), a second air condenser (5) and a condensate sump (6), the input end on the left side of the first air condenser (4) is communicated with an exhaust pipe (201) through a guide pipe, the output end on the right side of the first air condenser (4) is connected with the input end on the left side of the second air condenser (5) through a conduit, the acid mist treatment system comprises an acid mist processor (7) and a water circulation vacuum unit (8), the output end on the right side of the second air condenser (5) is connected with the input end of the acid mist processor (7) through a conduit, the output end of the acid mist processor (7) is connected with the input end of the water circulation vacuum unit (8) through a guide pipe.
2. The falling film evaporation device for precious metal processing according to claim 1, wherein: the input end of the heat conduction oil circulation integrated machine (1) is connected with an oil return pipe (10), and the output end of the heat conduction oil circulation integrated machine (1) is connected with an oil conveying pipe (11).
3. The falling film evaporation device for precious metal processing according to claim 2, wherein: the outer wall of heating chamber (21) and the position that is close to the top are equipped with output connection end (210), return oil pipe (10) and keep away from the one end and the output connection end (210) intercommunication of conduction oil circulation all-in-one (1), the outer wall of heating chamber (21) and the position that is close to the bottom are equipped with input connection end (211), defeated oil pipe (11) are kept away from the one end and the input connection end (211) intercommunication of conduction oil circulation all-in-one (1).
4. The falling film evaporation device for precious metal processing according to claim 1, wherein: a gas-liquid separation area and a liquid sprayer are arranged in the steam chamber (20), and the material conveying pipe (200) is communicated with the liquid sprayer.
5. The falling film evaporation device for precious metal processing according to claim 1, wherein: a plurality of film falling pipes (23) are arranged in the heating chamber (21), the top ends of the film falling pipes (23) are communicated with the steam chamber (20), and the bottom ends of the film falling pipes (23) are communicated with the liquid storage tank (22).
6. The falling film evaporation device for precious metal processing according to claim 1, wherein: an insulating layer is arranged between the outer wall and the inner wall of the liquid storage tank (22), an air blowing pipe (24) is arranged in the liquid storage tank (22), the top end of the air blowing pipe (24) penetrates through the inner wall of the liquid storage tank (22) to the outside, and the air output end at the bottom of the first air condenser (4) is communicated with the air blowing pipe (24) through a guide pipe.
7. The falling film evaporation device for precious metal processing according to claim 1, wherein: the bottom of first discharging pipe (12) is connected with second discharging pipe (14) and liquid suction pipe (30) through three-way valve (13), the one end that three-way valve (13) were kept away from in liquid suction pipe (30) is connected with the input of circulating pump (3), the output of circulating pump (3) is connected with liquid delivery pipe (31), the one end and steam chamber (20) intercommunication that circulating pump (3) were kept away from in liquid delivery pipe (31).
8. The falling film evaporation device for precious metal processing according to claim 1, wherein: the liquid output end at the bottom of the first air condenser (4) is communicated with the interior of the condensate storage tank (6) through a conduit, and the liquid output end at the bottom of the second air condenser (5) is also communicated with the interior of the condensate storage tank (6) through a conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221764439.8U CN218106754U (en) | 2022-07-08 | 2022-07-08 | Falling film evaporation device for processing precious metals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221764439.8U CN218106754U (en) | 2022-07-08 | 2022-07-08 | Falling film evaporation device for processing precious metals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218106754U true CN218106754U (en) | 2022-12-23 |
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ID=84517916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221764439.8U Active CN218106754U (en) | 2022-07-08 | 2022-07-08 | Falling film evaporation device for processing precious metals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218106754U (en) |
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2022
- 2022-07-08 CN CN202221764439.8U patent/CN218106754U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A falling film evaporation device for precious metal processing Granted publication date: 20221223 Pledgee: China Postal Savings Bank Co.,Ltd. Tonghai County Branch Pledgor: Yunnan Hongsheng Platinum New Material Technology Co.,Ltd. Registration number: Y2024980020916 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |