CN106621428A - Distillation device for treating corrosive high-temperature wastewater - Google Patents
Distillation device for treating corrosive high-temperature wastewater Download PDFInfo
- Publication number
- CN106621428A CN106621428A CN201710056253.4A CN201710056253A CN106621428A CN 106621428 A CN106621428 A CN 106621428A CN 201710056253 A CN201710056253 A CN 201710056253A CN 106621428 A CN106621428 A CN 106621428A
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- China
- Prior art keywords
- evaporator
- pipeline
- product water
- water tank
- condenser
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/26—Multiple-effect evaporating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention discloses a distillation device for treating corrosive high-temperature wastewater. The distillation device comprises a shell body, an evaporator, a condenser, a product water tank, a feedstock water pump, a circulating pump, a product water pump, a concentrated water pump, a vacuum pump, a cooling water pump, a steam ejector, a spraying disc and a foam catching mesh. According to the distillation device, the evaporator is arranged above the condenser in a manner of being of a tower type structure from top to bottom, so that an inter-effect pump is omitted; the evaporator and a coil heat exchanger of the condenser are made from polytetrafluoroethylene, so that the caking resistance and corrosion resistance of the device are enhanced; by adopting a spiral coil pipe structure, the effective heat exchange area is increased; and due to the internal structure and arrangement of the device, the reutilization of heat energy and the lowering of pump energy consumption are achieved. The device disclosed by the invention can be used for efficiently treating the corrosive high-temperature wastewater, is compact in structure, large in loading area and high in thermal efficiency and is resistant to caking and corrosion. The problem that wastewater treatment devices are high in energy consumption and poor in caking resistance and corrosion resistance is solved.
Description
Technical field
The invention belongs to hot waste water water-treatment technology field, more particularly to a kind of steaming for processing corrosive high temperatures waste water
Distillation unit.
Background technology
With industrial expansion, water pollution accidents are increasingly deepened, and global water resources shortage crisis increasingly increases, waste water
Process can not only mitigate water pollution but also can improve water utilization rate, alleviate water resources shortage crisis, therefore various countries are increased to waste water
The dynamics of investment of process, and China is used as the country of moderate water shortage, and in the face of resource-type water shortage and the disaster of water quality type water shortage two
Topic, thus accelerate water-saving policy and put into effect progress, expedite the emergence of and expand stain disease process recovery market.
Most of in common waste water is corrosive high temperatures waste water, such as Metallurgical Waste Water, paper waste, coke-oven gas waste water
Deng, although produce that industry is different, its composition is also different, but can all produce easy fouling during its process, corrosivity is strong, energy consumption is high etc.
Problem.Low-temperature multi-effect has realized large-scale application as ripe desalination technology, has an advantage in that the step for realizing energy
Utilize, improve energy utilization rate, effective reducing energy consumption.Therefore low temperature multiple-effect distillation technology is applied in the process of hot waste water
The shortcoming of high energy consumption can effectively be overcome, and the nucleus equipment of low-temperature multi-effect is heat exchanger, traditional heat exchanger is metallic recuperator,
There are many weak points：Common metal heat exchanger has the shortcomings that perishable, energy consumption is higher and heat transfer coefficient changes greatly；With
Heat exchanger made by the materials such as graphite, ceramics, with frangible, volume is big and the low shortcoming of efficiency；And use noble dilute metal material system
Into heat exchanger it is expensive, it is difficult to popularization and application.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art, there is provided a kind of distillation dress of process corrosive high temperatures waste water
Put.
Technical scheme is summarized as follows：
A kind of distilling apparatus for processing corrosive high temperatures waste water, including housing 11, raw material water pump 22, steam jet ejector 14,
Concentrated water pump 15, vavuum pump 16, product water pump 18, cooling water pump 19, circulating pump 20 is provided with tilting dividing plate, institute in housing
State tilting dividing plate and space in housing is separated into into from bottom to top condenser 21, sump evaporator 10, central evaporator 24 and top
Portion's evaporimeter 5；The position of condenser and each evaporimeter is provided with product water tank in housing outer surface；In housing top wall
Lower surface and the lower surface on top of each tilting dividing plate be provided with the vertical hanging deck of perforate；In the following table of housing top wall
The lower surface of the middle and lower part of face and each tilting dividing plate is connected by connecting rod with shower tray；It is provided with below shower tray
Coil heat exchanger, one end of coil heat exchanger is connected with the upper perforate of vertical hanging deck, the outlet side of steam inlet joint with it is vertical
The upper perforate connection of hanging deck；The other end of coil heat exchanger is connected through housing sidewall with the product water tank；In evaporimeter
Mist eliminating net is provided between housing sidewall and vertical hanging deck below steam inlet joint；Steam jet ejector 14 is by pipeline and top
The inlet end connection of the steam inlet joint 12 of portion's evaporimeter 5；Each product water tank upper is connected respectively by pipeline with vavuum pump 16
Connect；The bottom of roof evaporator product water tank 6 is connected by U-tube with the top of central evaporator product water tank 8；Centre evaporation
The bottom of device product water tank is connected by U-tube with the top of sump evaporator product water tank 9；Sump evaporator product water tank
Bottom is connected by U-tube with the top of condenser product water tank 17；The bottom of condenser product water tank is by pipeline and product
Water pump 18 connects；The entrance point of circulating pump 20 is connected with the bottom of condenser 21, the port of export point two-way of circulating pump 20, leads up to
Pipeline is connected with cooling water pump 19, separately leads up to pipeline and is connected with the shower tray 2 of roof evaporator；The bottom of roof evaporator
Connected with the shower tray 7 of adjacent central evaporator by U-tube；The bottom of middle part evaporimeter is by U-tube and adjacent bottom
The shower tray 27 of portion's evaporimeter connects；The bottom of sump evaporator is connected by pipeline with concentrated water pump 15；Roof evaporator 5 is located at
Side wall between steam inlet joint and mist eliminating net by pipeline with from central evaporator product water tank 8 pipeline converge after with
The inlet end connection of the steam inlet joint in central evaporator 24；Central evaporator 24 is located at steam inlet joint and mist eliminating net
Between side wall by pipeline with from sump evaporator product water tank 9 pipeline converge after and sump evaporator 10 on steam
The inlet end connection of inlet suction port；Sump evaporator 10 is located at the side wall between steam inlet joint and mist eliminating net by pipeline point
Two-way, all the way pipeline be connected with the ejecting port 26 of steam jet ejector 14, the steam inlet joint of another road pipeline and condenser 21
Inlet end connection；Raw material water pump 22 is connected by pipeline with the shower tray 25 in condenser, and central evaporator is 1-15.
Preferably, the material of coil heat exchanger is polytetrafluoroethylene (PTFE).
The shape of cross section of housing 11 is preferably circular, rectangle or ellipse.
Steam jet ejector 14 is preferably vertical mode and arranges.
Tilting dividing plate is selected from 5-15 ° with the angle of horizontal plane.
Condenser and each evaporimeter are connected between any two by flange.
Advantages of the present invention：
(1) present invention by N (N >=2) imitate evaporimeter from it is upper it is straight under in tower structure be arranged in condenser top, make device whole
Body structure is more compact, and equipment filling rate is higher, saves floor space；Save effect between pump, water generation ratio be 1.8-15 in the range of,
System power consumption reduces by 18% or so.
(2) present invention by the use of polytetrafluoroethylene (PTFE) as the material of evaporimeter, make evaporimeter corrosion resistant performance more preferably, stain resistance
Extremely strong, heat transfer property is more stable, extends the time of equipment normal work, reduces operating cost.
(3) the characteristics of present invention combines polytetrafluoroethylene (PTFE) easy processing, easy-formation, by coil heat exchanger spiral coil is processed as
Form, increase heat exchange area in effective space, save space.
(4) connected using flange between evaporimeter of the present invention, be capable of achieving modularization evaporimeter effect body quantity and adjust, met not
With wastewater treatment scale.
(5) device of the invention, with corrosion resistance and good, heat exchange area is big, power consumption is little, operating flexibility is big, account for
Ground area is little, compact conformation, installs the advantages of safeguarding convenient.
Description of the drawings
Fig. 1 is a kind of structural representation of the distilling apparatus of process corrosive high temperatures waste water.
Specific embodiment
Below by Figure of description, the present invention is further illustrated.
The present invention is further illustrated by taking 1 central evaporator as an example.
A kind of distilling apparatus for processing corrosive high temperatures waste water, is shown in Fig. 1, including housing 11, raw material water pump 22, steam injection
Device 14, concentrated water pump 15, vavuum pump 16, product water pump 18, cooling water pump 19, circulating pump 20, be provided with housing tilting every
Space in housing is separated into from bottom to top condenser 21, sump evaporator 10, central evaporator 24 by plate, the tilting dividing plate
With roof evaporator 5；Tilting dividing plate between condenser 21 and sump evaporator 10 is with shown in 23；It is relative in housing outer surface
The position of condenser and each evaporimeter is provided with product water tank；In the lower surface and each tilting dividing plate of housing top wall
The lower surface on top is provided with the vertical hanging deck of perforate；Vertical hanging deck in roof evaporator 5 is with shown in 1；In housing top wall
Lower surface and the lower surface of middle and lower part of each tilting dividing plate be connected with shower tray by connecting rod；The following table of housing top wall
The connecting rod in face is with shown in 3；Coil heat exchanger is provided with below shower tray, the coil heat exchanger in roof evaporator 5
With shown in 4；One end of coil heat exchanger is connected with the upper perforate of vertical hanging deck, the pipe bunchy of coil heat exchanger, bundles of pipe with
A variety of spiral forms spiral in evaporimeter, formed high fill-ratio coil pipe, the number of the upper perforate of vertical hanging deck with
The number correspondence of pipe in tube bank；The outlet side of steam inlet joint is connected with the upper perforate of vertical hanging deck；Coil heat exchanger it is another
One end is connected through housing sidewall with the product water tank；Housing sidewall below the steam inlet joint of evaporimeter and vertical
Mist eliminating net is provided between hanging deck；Mist eliminating net in roof evaporator 5 is with shown in 13；Steam jet ejector 14 is by pipeline and top
The inlet end connection of the steam inlet joint 12 of portion's evaporimeter 5；Each product water tank upper is connected respectively by pipeline with vavuum pump 16
Connect；The bottom of roof evaporator product water tank 6 is connected by U-tube with the top of central evaporator product water tank 8；Centre evaporation
The bottom of device product water tank is connected by U-tube with the top of sump evaporator product water tank 9；Sump evaporator product water tank
Bottom is connected by U-tube with the top of condenser product water tank 17；The bottom of condenser product water tank is by pipeline and product
Water pump 18 connects；The entrance point of circulating pump 20 is connected with the bottom of condenser 21, the port of export point two-way of circulating pump 20, leads up to
Pipeline is connected with cooling water pump 19, separately leads up to pipeline and is connected with the shower tray 2 of roof evaporator；The bottom of roof evaporator
Connected with the shower tray 7 of adjacent central evaporator by U-tube；The bottom of middle part evaporimeter is by U-tube and adjacent bottom
The shower tray 27 of portion's evaporimeter connects；The bottom of sump evaporator is connected by pipeline with concentrated water pump 15；Roof evaporator 5 is located at
Side wall between steam inlet joint and mist eliminating net by pipeline with from central evaporator product water tank 8 pipeline converge after with
The inlet end connection of the steam inlet joint in central evaporator 24；Central evaporator 24 is located at steam inlet joint and mist eliminating net
Between side wall by pipeline with from sump evaporator product water tank 9 pipeline converge after and sump evaporator 10 on steam
The inlet end connection of inlet suction port；Sump evaporator 10 is located at the side wall between steam inlet joint and mist eliminating net by pipeline point
Two-way, all the way pipeline be connected with the ejecting port 26 of steam jet ejector 14, the steam inlet joint of another road pipeline and condenser 21
Inlet end connection；Raw material water pump 22 is connected by pipeline with the shower tray 25 in condenser.
Central evaporator is 1-15.
Preferably, the material of coil heat exchanger is polytetrafluoroethylene (PTFE).
The shape of cross section of housing 11 is preferably circular, rectangle or ellipse.
Steam jet ejector 14 is preferably vertical mode and arranges.
Tilting dividing plate is selected from 5 °, 6 °, 7 °, 8 °, 9 °, 10 °, 11 °, 12 °, 13 °, 14 °, 15 ° with the angle of horizontal plane.
Condenser and each evaporimeter are connected between any two by flange.
Claims (6)
1. a kind of distilling apparatus for processing corrosive high temperatures waste water, including housing (11), raw material water pump (22), steam jet ejector
(14), concentrated water pump (15), vavuum pump (16), product water pump (18), cooling water pump (19), circulating pump (20) is characterized in that in shell
Tilting dividing plate is provided with vivo, and space in housing is separated into from bottom to top condenser (21), bottom by the tilting dividing plate
Evaporimeter (10), central evaporator (24) and roof evaporator (5)；In housing outer surface relative to condenser and each evaporimeter
Position be provided with product water tank；Lower surface on the top of the lower surface and each tilting dividing plate of housing top wall is provided with
The vertical hanging deck of perforate；The middle and lower part of the lower surface and each tilting dividing plate of housing top wall lower surface by connecting rod with
Shower tray connects；It is provided with coil heat exchanger below shower tray, the upper perforate of one end of coil heat exchanger and vertical hanging deck
Connection, the outlet side of steam inlet joint is connected with the upper perforate of vertical hanging deck；The other end of coil heat exchanger runs through housing side
Wall is connected with the product water tank；It is provided between housing sidewall and vertical hanging deck below the steam inlet joint of evaporimeter
Mist eliminating net；Steam jet ejector (14) is connected by pipeline with the inlet end of the steam inlet joint (12) of roof evaporator (5)；Respectively
Product water tank upper is connected respectively by pipeline with vavuum pump (16)；The bottom of roof evaporator product water tank (6) passes through U-tube
It is connected with the top of central evaporator product water tank (8)；Evaporated with bottom by U-tube the bottom of central evaporator product water tank
The top connection of device product water tank (9)；The bottom of sump evaporator product water tank is by U-tube and condenser product water tank (17)
Top connection；The bottom of condenser product water tank is connected by pipeline with product water pump (18)；Circulating pump (20) entrance point with
The bottom connection of condenser (21), the port of export point two-way of circulating pump (20), leads up to pipeline and is connected with cooling water pump (19),
Separately lead up to pipeline to be connected with the shower tray (2) of roof evaporator；The bottom of roof evaporator by U-tube with it is adjacent in
Between evaporimeter shower tray (7) connection；The bottom of middle part evaporimeter passes through the shower tray of U-tube and adjacent sump evaporator
(27) connect；The bottom of sump evaporator is connected by pipeline with concentrated water pump (15)；Roof evaporator (5) connects positioned at steam inlet
The evaporation of after side wall between head and mist eliminating net is converged by pipeline with the pipeline from central evaporator product water tank (8) and centre
The inlet end connection of the steam inlet joint on device (24)；Central evaporator (24) is between steam inlet joint and mist eliminating net
Side wall by pipeline with from sump evaporator product water tank (9) pipeline converge after and sump evaporator (10) on steam
The inlet end connection of inlet suction port；Side wall of the sump evaporator (10) between steam inlet joint and mist eliminating net passes through pipeline
Divide two-way, all the way pipeline is connected with the ejecting port (26) of steam jet ejector (14), the steam of another road pipeline and condenser (21)
The inlet end connection of inlet suction port；Raw material water pump (22) is connected by pipeline with the shower tray (25) in condenser, centre evaporation
Device is 1-15.
2. a kind of distilling apparatus for processing corrosive high temperatures waste water according to claim 1, is characterized in that the coil pipe is changed
The material of hot device is polytetrafluoroethylene (PTFE).
3. a kind of distilling apparatus for processing corrosive high temperatures waste water according to claim 1, is characterized in that the housing
(11) shape of cross section is circular, rectangle or ellipse.
4. a kind of distilling apparatus for processing corrosive high temperatures waste water according to claim 1, is characterized in that the steam spray
Emitter (14) is arranged for vertical mode.
5. a kind of distilling apparatus for processing corrosive high temperatures waste water according to claim 1, is characterized in that described its feature
It is tilting dividing plate and the angle of horizontal plane is 5-15 °.
6. a kind of distilling apparatus for processing corrosive high temperatures waste water according to claim 1, is characterized in that condenser and each
Evaporimeter is connected between any two by flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710056253.4A CN106621428A (en) | 2017-01-25 | 2017-01-25 | Distillation device for treating corrosive high-temperature wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710056253.4A CN106621428A (en) | 2017-01-25 | 2017-01-25 | Distillation device for treating corrosive high-temperature wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106621428A true CN106621428A (en) | 2017-05-10 |
Family
ID=58841604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710056253.4A Pending CN106621428A (en) | 2017-01-25 | 2017-01-25 | Distillation device for treating corrosive high-temperature wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106621428A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108854125A (en) * | 2018-09-11 | 2018-11-23 | 首航洁能科技有限公司 | A kind of evaporation concentration device of feed liquid |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2154734Y (en) * | 1993-03-09 | 1994-02-02 | 何晓东 | 3-effect vacuum concentration evaporator |
| US5395483A (en) * | 1992-07-31 | 1995-03-07 | Al-Hawaj; Osamah M. | Rotary apparatus for combined multi flashing and boiling liquids |
| CN2562830Y (en) * | 2002-08-13 | 2003-07-30 | 河北工业大学 | Dropping film evaporation tower out of horirontal pipe |
| CN1634834A (en) * | 2003-12-29 | 2005-07-06 | 淄博万昌科技发展有限公司 | Process and device for preparing orthoformate by using byproduct hydrocyanic acid from acrylonitrile production |
-
2017
- 2017-01-25 CN CN201710056253.4A patent/CN106621428A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5395483A (en) * | 1992-07-31 | 1995-03-07 | Al-Hawaj; Osamah M. | Rotary apparatus for combined multi flashing and boiling liquids |
| CN2154734Y (en) * | 1993-03-09 | 1994-02-02 | 何晓东 | 3-effect vacuum concentration evaporator |
| CN2562830Y (en) * | 2002-08-13 | 2003-07-30 | 河北工业大学 | Dropping film evaporation tower out of horirontal pipe |
| CN1634834A (en) * | 2003-12-29 | 2005-07-06 | 淄博万昌科技发展有限公司 | Process and device for preparing orthoformate by using byproduct hydrocyanic acid from acrylonitrile production |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108854125A (en) * | 2018-09-11 | 2018-11-23 | 首航洁能科技有限公司 | A kind of evaporation concentration device of feed liquid |
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Application publication date: 20170510 |
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