CN209286691U - It is a kind of for evaporating the triple-effect evaporation plant of sodium hypophosphite aqueous solution - Google Patents
It is a kind of for evaporating the triple-effect evaporation plant of sodium hypophosphite aqueous solution Download PDFInfo
- Publication number
- CN209286691U CN209286691U CN201822064147.3U CN201822064147U CN209286691U CN 209286691 U CN209286691 U CN 209286691U CN 201822064147 U CN201822064147 U CN 201822064147U CN 209286691 U CN209286691 U CN 209286691U
- Authority
- CN
- China
- Prior art keywords
- effect
- triple
- gas
- evaporator
- heater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001704 evaporation Methods 0.000 title claims abstract description 32
- 239000007864 aqueous solution Substances 0.000 title claims abstract description 15
- ZGKNDXOLMOFEJH-UHFFFAOYSA-M Sodium hypophosphite Chemical compound [Na+].[O-]P=O ZGKNDXOLMOFEJH-UHFFFAOYSA-M 0.000 title claims abstract description 10
- 229910001379 sodium hypophosphite Inorganic materials 0.000 title claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 61
- 238000007599 discharging Methods 0.000 claims description 18
- 238000002425 crystallisation Methods 0.000 claims description 5
- 230000005712 crystallization Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 5
- GQZXNSPRSGFJLY-UHFFFAOYSA-N Hypophosphorous acid Chemical compound OP=O GQZXNSPRSGFJLY-UHFFFAOYSA-N 0.000 description 7
- 239000012141 concentrate Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The utility model discloses a kind of for evaporating the triple-effect evaporation plant of sodium hypophosphite aqueous solution, including sequentially connected 1st effective evaporator, 2nd effect evaporator and triple effect evaporator；1st effective evaporator includes the effect heater communicated and an effect gas-liquid separator, and the middle-end of an effect heater has feed inlet, and the top of an effect heater is steam inlet tube；2nd effect evaporator includes the two effect heaters communicated and two effect gas-liquid separators, and the jet chimney of an effect gas-liquid separator leads to two effect heaters；Triple effect evaporator includes the triple effect heater and triple effect gas-liquid separator communicated, and triple effect gas-liquid separator leads to condenser；The bottom of an effect gas-liquid separator is provided with effect concentration liquid pipe, connection is provided with triple effect concentration liquid pipe into triple effect evaporator, in the bottom of triple effect gas-liquid separator, and connection is into 2nd effect evaporator.Continuous evaporation may be implemented using the utility model, the consumption of steam only has the 45% of original process steam consumption.
Description
Technical field
The utility model relates to chemical products production equipment fields, are related to a kind of for evaporating the three of sodium hypophosphite aqueous solution
Imitate vaporising device.
Background technique
In the production process that hypophosphorous acid is received, needs the hypophosphorous acid by 25% mass concentration to receive aqueous solution and be evaporated to 85% mass
Then concentration carries out crystallisation by cooling.All the time liquid hypophosphorous acid receive aqueous solution concentration and evaporation be using single effect evaporation technique, it is single
It is high to imitate evaporation technology energy consumption, steam consumption is big, and is intermittent operation, is unfavorable for the realization of automation control, is produced into
This is higher.
Utility model content
The utility model mainly solving the technical problems that provide it is a kind of for politics and law hypophosphorous acid receive aqueous solution triple effect steam
Transmitting apparatus.
In order to solve the above technical problems, the technical solution that the utility model uses is:
It provides a kind of for evaporating the triple-effect evaporation plant of sodium hypophosphite aqueous solution, including sequentially connected effect evaporation
Device, 2nd effect evaporator and triple effect evaporator；The 1st effective evaporator includes that the effect heater and one communicated imitates gas-liquid separator,
The middle-end of the one effect heater has feed inlet, and the top of the effect heater is steam inlet tube；The 2nd effect evaporator
Including the two effect heaters and two effect gas-liquid separators communicated, the jet chimney of the effect gas-liquid separator leads to two effect
Heater；The triple effect evaporator includes the triple effect heater and triple effect gas-liquid separator communicated, the triple effect gas-liquid separator
Lead to condenser；The bottom of the effect gas-liquid separator is provided with effect concentration liquid pipe, connection to the triple effect evaporator
In, the bottom of the triple effect gas-liquid separator is provided with triple effect concentration liquid pipe, connection is into the 2nd effect evaporator, described
The bottom of two effect gas-liquid separators is provided with two effects concentration liquid pipe, connection to discharge nozzle.
In one preferred embodiment of the utility model, the effect heater, the two effect heater and the triple effect
Heater lower part is all connected with steam condensate (SC) pipe.
In one preferred embodiment of the utility model, it is provided with an effect discharging pump in the effect concentration liquid pipe,
Two effect discharging pumps are provided in the two effects concentration liquid pipe, are provided with triple effect discharging pump in triple effect concentration liquid pipe.
In one preferred embodiment of the utility model, crystallization kettle is connected with after the two effects discharging pump.
The beneficial effects of the utility model are: the utility model is a kind of to receive the triple effect evaporation of aqueous solution for evaporating hypophosphorous acid
Device, heat source of the secondary steam that an effect evaporation generates as two effect evaporations, the secondary steam that two effect evaporations generate is as triple effect
The heat source of evaporation, the consumption of steam only have the 45% of original process steam consumption；Hypophosphorous acid Na Shui is carried out using the utility model
Continuous evaporation may be implemented in the evaporation of solution, and easy to operate and discharge concentration is more stable, reduces labor intensity, product matter
It measures more stable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one preferred embodiment of the utility model；
The components in the drawings are labeled as follows: 11, an effect heater, 12, one effect gas-liquid separator, 13, one effect discharging pump,
14, feed inlet, 21, two effect heaters, 22, two effect gas-liquid separators, 23, two effect discharging pumps, 31, triple effect heater, 32, triple effect
Gas-liquid separator, 33, triple effect discharging pump, 4, condenser, 5, steam condensate (SC) pipe, 6, steam inlet tube.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear
Define.
It is a kind of for evaporating the triple-effect evaporation plant of sodium hypophosphite aqueous solution, including sequentially connected 1st effective evaporator, two
Imitate evaporator and triple effect evaporator；The 1st effective evaporator includes that the effect heater 11 and one communicated imitates gas-liquid separator 12,
The middle-end of the one effect heater 11 has feed inlet 14, and the top of the effect heater 11 is steam inlet tube 6；Two effect
Evaporator includes the two effect heaters 21 communicated and two effect gas-liquid separators 22, the jet chimney of the effect gas-liquid separator 12
Lead to the two effects heater 21；The triple effect evaporator includes the triple effect heater 31 and triple effect gas-liquid separator 32 communicated,
The triple effect gas-liquid separator 32 leads to condenser 4；The bottom of the effect gas-liquid separator 12 is provided with an effect concentrate
Pipe 13, connection are provided with triple effect concentration liquid pipe, connection into the triple effect evaporator, in the bottom of the triple effect gas-liquid separator 32
It passes in the 2nd effect evaporator, the bottom of the two effects gas-liquid separator 22 is provided with two effects concentration liquid pipe, connection is to out
Expects pipe.
It is cold that the one effect heater 11, the two effect heater 21 and 31 lower part of triple effect heater are all connected with steam
Condensate pipe 5.It is provided with an effect discharging pump 13 in the effect concentration liquid pipe, is provided with two effects in the two effects concentration liquid pipe
Discharging pump 23 is provided with triple effect discharging pump 33 in triple effect concentration liquid pipe.Knot is connected with after the two effects discharging pump 23
Brilliant kettle.
The use process of the utility model:
Hypophosphorous acid receives aqueous solution and with 10 ton/hours of inlet amount squeezes into 1st effective evaporator, and steam enters one from steam inlet tube 6
Evaporator is imitated, the secondary steam for evaporating generation enters 2nd effect evaporator, 2nd effect evaporator after an effect gas-liquid separator 12 separates
The secondary steam of generation enters triple effect evaporator after two effect gas-liquid separators 22 separate, through triple effect gas after triple effect evaporator evaporation
32 separate vapour of liquid/gas separator is condensed into condenser 4 and is discharged.Liquid pipe is concentrated through an effect in the concentrate of one effect gas-liquid separator 12
It beats to triple effect evaporator, the concentrate of triple effect gas-liquid separator 32 is beaten through the triple effect discharging pump 33 of bottom to 2nd effect evaporator, and two
The discharging density for imitating the concentrate of gas-liquid separator 22 is beaten through two effect discharging pumps 23 to crystallization kettle greater than after 1.4g/ml.Wherein one
The temperature for imitating evaporator is 95 ~ 105 DEG C, and for the temperature of 2nd effect evaporator at 80 ~ 90 DEG C, the temperature of triple effect evaporator is 70 ~ 80 DEG C,
The vacuum degree of crystallization kettle must be greater than 0.07MPa.
In the description of the present invention, it should be noted that term " on ", "lower", "left", "right", "inner", "outside" etc.
The orientation or positional relationship of instruction be based on the orientation or positional relationship shown in the drawings or the utility model product use when
The orientation or positional relationship usually put, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the utility model.The above description is only the embodiments of the present invention, is not intended to limit the patent of the utility model
Range, equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, or directly or
Other related technical areas are used in indirectly, are also included in the patent protection scope of the utility model.
Claims (4)
1. a kind of for evaporating the triple-effect evaporation plant of sodium hypophosphite aqueous solution, which is characterized in that including a sequentially connected effect
Evaporator, 2nd effect evaporator and triple effect evaporator；The 1st effective evaporator includes the effect heater communicated and an effect gas-liquid point
From device, the middle-end of the effect heater has feed inlet, and the top of the effect heater is steam inlet tube；Two effect is steamed
Hair device includes the two effect heaters communicated and two effect gas-liquid separators, and the jet chimney of the effect gas-liquid separator leads to described
Two effect heaters；The triple effect evaporator includes the triple effect heater and triple effect gas-liquid separator communicated, the triple effect gas-liquid point
Lead to condenser from device；The bottom of the effect gas-liquid separator is provided with effect concentration liquid pipe, connection to the triple effect is steamed
Send out device in, the bottom of the triple effect gas-liquid separator be provided with triple effect concentration liquid pipe, connection into the 2nd effect evaporator,
The bottom of the two effects gas-liquid separator is provided with two effects concentration liquid pipe, connection to discharge nozzle.
2. according to claim 1 for evaporating the triple-effect evaporation plant of sodium hypophosphite aqueous solution, which is characterized in that described
One effect heater, the two effect heater and triple effect heater lower part are all connected with steam condensate (SC) pipe.
3. according to claim 1 for evaporating the triple-effect evaporation plant of sodium hypophosphite aqueous solution, which is characterized in that in institute
It states and is provided with an effect discharging pump in effect concentration liquid pipe, two effect discharging pumps are provided in the two effects concentration liquid pipe, described
Triple effect discharging pump is provided in triple effect concentration liquid pipe.
4. according to claim 3 for evaporating the triple-effect evaporation plant of sodium hypophosphite aqueous solution, which is characterized in that in institute
Crystallization kettle is connected with after stating two effect discharging pumps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822064147.3U CN209286691U (en) | 2018-12-10 | 2018-12-10 | It is a kind of for evaporating the triple-effect evaporation plant of sodium hypophosphite aqueous solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822064147.3U CN209286691U (en) | 2018-12-10 | 2018-12-10 | It is a kind of for evaporating the triple-effect evaporation plant of sodium hypophosphite aqueous solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209286691U true CN209286691U (en) | 2019-08-23 |
Family
ID=67658051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822064147.3U Active CN209286691U (en) | 2018-12-10 | 2018-12-10 | It is a kind of for evaporating the triple-effect evaporation plant of sodium hypophosphite aqueous solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209286691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112044102A (en) * | 2020-08-31 | 2020-12-08 | 江苏康祥实业集团有限公司 | A multistage evaporation plant for evaporation of sodium hypophosphite aqueous solution |
-
2018
- 2018-12-10 CN CN201822064147.3U patent/CN209286691U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112044102A (en) * | 2020-08-31 | 2020-12-08 | 江苏康祥实业集团有限公司 | A multistage evaporation plant for evaporation of sodium hypophosphite aqueous solution |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103951005B (en) | The more technology coupling seawater desalination plants of zero-emission and its method | |
| CN105327518B (en) | The concentration systems and method of a kind of pentanediamine | |
| CN209286691U (en) | It is a kind of for evaporating the triple-effect evaporation plant of sodium hypophosphite aqueous solution | |
| CN202590405U (en) | Triple effect concentration evaporator | |
| CN101704539A (en) | Method and device for evaporating mother liquid in aluminium oxide plant | |
| CN107596709A (en) | A kind of soda manufacture MVR vaporising devices | |
| CN202951265U (en) | Efficient evaporating crystallizer | |
| CN109264687A (en) | A kind of phosphoric acid microwave flash distillation prepares the method and apparatus of polyphosphoric acid | |
| CN109650475A (en) | A kind of sodium hypophosphite evaporation technology | |
| CN203355315U (en) | Triple-effect upstream falling film evaporation system | |
| CN103537108B (en) | A kind of evaporation contains method and the system thereof of the ammonium sulfate of ammonium sulfite | |
| CN102774816A (en) | Method and device for concentrating waste acid in titanium dioxide production by sulfuric acid process | |
| CN214512758U (en) | Five-effect evaporator for sugar liquid concentration | |
| CN205391766U (en) | Evaporative concentration device of cellulose solvent NMMO aqueous solution | |
| CN104645645A (en) | High fructose syrup quadruple-effect concentration evaporator | |
| CN209291967U (en) | A kind of equipment that the flash distillation of phosphoric acid microwave prepares polyphosphoric acid | |
| CN201426984Y (en) | Device for condensing sweet water by four-effect evaporator | |
| CN208308465U (en) | A kind of horizontal ammonia water evaporator | |
| CN101898046B (en) | Secondary waste steam introducer in alkali evaporation station | |
| CN104324512A (en) | Heat pump evaporating unit | |
| CN202128922U (en) | Internal calcium lactate circulation evaporator | |
| CN213912379U (en) | MVR falling film evaporator suitable for lithium chloride feed liquid is concentrated and is produced lithium carbonate product | |
| CN214551245U (en) | Continuous evaporating system of four hydroxymethyl phosphorus sulfate | |
| CN204159049U (en) | A kind of quadruple effect vacuum falling film evaporimeter with vapour-recovery unit | |
| CN106582051A (en) | Evaporator and evaporating system applying same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |