CN208308615U - One kind being used for sewage treatment zero-emission evaporator - Google Patents
One kind being used for sewage treatment zero-emission evaporator Download PDFInfo
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- CN208308615U CN208308615U CN201820558051.XU CN201820558051U CN208308615U CN 208308615 U CN208308615 U CN 208308615U CN 201820558051 U CN201820558051 U CN 201820558051U CN 208308615 U CN208308615 U CN 208308615U
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- Prior art keywords
- emission
- evaporator
- sewage treatment
- heat
- tower body
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- 239000010865 sewage Substances 0.000 title claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000001914 filtration Methods 0.000 claims abstract description 23
- 230000008859 change Effects 0.000 claims abstract description 10
- 230000001376 precipitating effect Effects 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 26
- 230000007704 transition Effects 0.000 claims description 22
- 238000012856 packing Methods 0.000 claims description 16
- 239000004744 fabric Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 239000002918 waste heat Substances 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 abstract description 23
- 230000008020 evaporation Effects 0.000 abstract description 23
- 238000005260 corrosion Methods 0.000 abstract description 10
- 230000007797 corrosion Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 239000002351 wastewater Substances 0.000 description 9
- 230000006872 improvement Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 229910001424 calcium ion Inorganic materials 0.000 description 2
- 239000013043 chemical agent Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000007562 laser obscuration time method Methods 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Landscapes
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to field of sewage treatment equipment, sewage treatment zero-emission evaporator is used for more particularly to one kind, including apparatus body, the apparatus body includes tower body, the pretreating device being connected to outside tower body, the filtering ponds for being set to tower body lower part, the pretreating device includes for the softening pond of precipitating ion and for the heat-exchanger tank of sewage heat change, the softening pond is equipped with a water inlet, and a blender is set to the bottom in softening pond.The utility model provide it is a kind of economize on resources, be not easy corrosion and scaling and evaporation capacity it is big for sewage treatment zero-emission evaporator.
Description
Technical field
The utility model relates to field of sewage treatment equipment, evaporate more particularly to one kind for sewage treatment zero-emission
Device.
Background technique
Sewage treatment is that the water quality requirement for draining a certain water body to reach sewage or reusing purifies it
Process.Sewage treatment is widely used in building, agricultural, and traffic, the energy, petrochemical industry, environmental protection, urban landscape, medical treatment, food and drink etc. are each
The daily life of common people is also come into a field more and more.
As country and each place are increasingly strict for the environmental protection standard of discharge into water and for water body saliferous figureofmerit
The cry of appearance also grows to even greater heights, and wastewater zero discharge evaporation process technology starts gradually to rise.So-called wastewater zero discharge refers to not
Any type of water is discharged to environment waters, the water of all discharges is all in the form of moisture or is solidificated in ash or slag.At present
There are two main classes for widely applied wastewater zero discharge evaporation process technology: multiple-effect evaporation technology (Multiple Effect
Distillation is abbreviated as MED) and vapor recompression evaporation process technology (Mechanical Vapor
Recompression is abbreviated as MVR).MED technique is will to heat steam to be passed through an evaporator, and solution ebuillition of heated is generated
Secondary steam as heating steam, introduce next stage evaporator, and so on, the new secondary steaming that second level evaporator generates
Vapour is but also as third evaporator as heating steam.Every level-one evaporator is known as an effect, and multiple evaporators are connected
Carry out a biconditional operation, forms multi-effect evaporation system.And MVR technique is then the secondary steam for generating evaporator, through compressor compresses
It is sent after raising pressure, temperature and steam enthalpy to evaporator heating chamber and is used as heating steam, feed liquid is made to maintain fluidized state.
These two types of technologies pass through secondary steam again using to reaching energy-efficient purpose.
Existing evaporation process technology makes waste water be in fluidized state due to being both needed to, it is therefore desirable under the conditions of higher temperature
Operation, on the one hand needs to consume a large amount of electric energy or heat source, and another aspect high slat-containing wastewater often contains a large amount of corrosion contact scar
Substance, hot conditions increase equipment corrosion risk, meanwhile, violent evaporation process is but also scale problems are more serious.
Utility model content
In order to solve the above technical problems, the utility model provides, one kind economizes on resources, is not easy corrosion and scaling and evaporation capacity is big
Be used for sewage treatment zero-emission evaporator.
The utility model adopts the following technical solution:
One kind being used for sewage treatment zero-emission evaporator, including apparatus body, and the apparatus body includes tower body, connection
Pretreating device outside tower body, the filtering ponds for being set to tower body lower part, the pretreating device include being used for precipitating ion
Softening pond and the heat-exchanger tank for sewage heat change, the softening pond be equipped with a water inlet, a blender be set to softening pond
Bottom.
Further improvement to above-mentioned technical proposal is that the tower body includes the transition zone connecting with pretreating device, sets
It is placed in the packing layer on transition zone upper layer, the liquid distribution being set up in above packing layer, away from transition zone and is set to liquid distribution
The pump drainage wind apparatus on upper layer, a blow-off valve are set to tower body bottom.
Further improvement to above-mentioned technical proposal is that the vertical section of the transition zone is in inverted triangle shape, and transition zone is logical
It crosses circulating pump and is connected to liquid distribution.
Further improvement to above-mentioned technical proposal is that described filler layer is set as porous honeycomb tube packing layer.
Further improvement to above-mentioned technical proposal is that the pump drainage wind apparatus includes the air draft being set to above spray pipe
Machine, the baffle plate demister being set to above exhaust blower.
Further improvement to above-mentioned technical proposal is that heat exchanger coil, the heat exchange are equipped in the heat-exchanger tank
The heat source of coil pipe is workshop waste heat or one of steam or solar energy or a variety of.
Further improvement to above-mentioned technical proposal is a filter cloth to be provided in the filtering ponds, and filtering ponds pass through one
Vacuum pump is connected to liquid distribution and softening pond respectively.
The utility model has the beneficial effects that
1, the utility model includes apparatus body, apparatus body include tower body, the pretreating device being connected to outside tower body,
The filtering ponds of tower body lower part are set to, pretreating device includes that the softening pond for precipitating ion and the heat for sewage heat change are handed over
Change pond, softening pond is equipped with a water inlet, and overall structure is simple, and pretreating device carries out pre-treatment to sewage, by calcium ion, magnesium from
Sub- plasma deposition gets off, and is separated by solid-liquid separation by filtering ponds, effectively saving resource, high treating effect；Soften the bottom in pond
Be provided with blender, make sewage with soften pond in chemical agent acceleration be sufficiently mixed, improve softening efficiency, be allowed to tower body not
Perishable fouling.
2, tower body includes the transition zone connecting with pretreating device, the packing layer for being set to transition zone upper layer, is set up in and fills out
Liquid distribution above the bed of material away from transition zone and is set to the pump drainage wind apparatus on liquid distribution upper layer, the transition zone of setting, warp
It crosses after the sewage heat change of heat-exchanger tank and rests on time of transition zone and reduce, effectively lower sewage after being concentrated by evaporation to heat exchange
The case where corrosion of device and on the heat exchanger fouling, occurs, and reduces the cost of to maintain equipment, and packing layer and liquid distribution are set
It sets, sufficiently increases the contact area of air and water, improve evaporation rate, save resource, increase evaporation capacity, pump drainage wind apparatus accelerates
Zero-emission is realized in steam discharge, and the bottom of tower body is equipped with a blow-off valve, convenient for controlling the flow for entering filtering ponds, prevents from filtering
It is insufficient, improve its filter effect.
3, the vertical section of transition zone is in inverted triangle shape, and the sewage after facilitating softening enters filtering ponds, is not easy to be formed in tower wall
Corrosion or fouling, transition zone are connected to liquid distribution by circulating pump, and the waste water that part is overflowed is transported to leaching by circulating pump
Water installations recycle waste water to come into full contact with steam, improve evaporation efficiency, and effectively save water resource.
4, packing layer is set as porous honeycomb tube packing layer, guarantees that water can come into full contact with steam, to enhance its heat exchange
Efficiency, effectively increase evaporation capacity.
5, pump drainage wind apparatus includes the baffle plate demisting for being set to exhaust blower above spray pipe, being set to above exhaust blower
Device, the installation of exhaust blower, since its air quantity is big, mass rate of emission is speeded, and effectively improves evaporation efficiency, and baffle plate demister is then effective
The water mist being mixed in the boil-off gas of water mist is completely cut off, boil-off gas is only discharged, effectively realizes pollution-free zero-emission.
6, heat exchanger coil is equipped in heat-exchanger tank, the sewage after softening exchanges heat by heat-exchanger tank, part of contaminated water
It is converted to gaseous state, effectively realizes zero-emission effect, the heat source of heat exchanger coil is in workshop waste heat or steam or solar energy
It is one or more, using above-mentioned heat source, effectively further economize on resources, save electric power.
7, a filter cloth is equipped in filtering ponds, it is easy to use, it is conveniently replaceable, filter effect is good, reduces tower body corrosion and scaling
Situation occurs, and filtering ponds are connected to liquid distribution and softening pond respectively by a vacuum pump, and filtering ponds are interior, and there may be partially not
The sewage softened completely can then be back to softening pond at this time and further be softened, and softening is completed and filtered liquid will
It is transported on liquid distribution, is used as and steam heat-exchanging by vacuum pump, in this way, effectively economizing on resources, improve evaporation effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model packing layer.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.
As shown in Figs. 1-2, a kind of to be used for sewage treatment zero-emission evaporator, including apparatus body 100, the equipment sheet
Body 100 includes tower body 110, the pretreating device 120 being connected to outside tower body 110, the filtering ponds for being set to 110 lower part of tower body
130, the pretreating device 120 include for the softening pond 121 of precipitating ion and for the heat-exchanger tank 122 of sewage heat change,
The softening pond 121 is equipped with water inlet a 121a, a blender 121b and is set to the bottom in softening pond 121.
Tower body 110 includes the transition zone 111 connecting with pretreating device 120, the packing layer for being set to 111 upper layer of transition zone
112, it is set up in the liquid distribution 113 of the top of packing layer 112, away from transition zone 111 and is set to the pumping on 113 upper layer of liquid distribution
Air exhausting device 114, the transition zone 111 of setting, rests on the time of transition zone 111 after the sewage heat change of heat-exchanger tank 122
Reduce, effectively lower sewage after being concentrated by evaporation to the corrosion of heat exchanger and on the heat exchanger fouling the case where appearance, drop
The cost of low-maintenance equipment, the setting of packing layer 112 and liquid distribution 113 sufficiently increase the contact area of air and water, improve
Evaporation rate saves resource, increases evaporation capacity, and pump drainage wind apparatus 114 accelerates steam discharge, realizes zero-emission, the bottom of tower body 110
Portion is equipped with a blow-off valve 111a, convenient for controlling the flow for entering filtering ponds 130, prevents from filtering insufficient, improves its filter effect.
The vertical section of transition zone 111 is in inverted triangle shape, and the sewage after facilitating softening enters filtering ponds 130, is not easy in tower wall
It forms corrosion or fouling, transition zone 111 is connected to liquid distribution 113 by circulating pump 100a, the waste water that part is overflowed is passed through
Circulating pump 100a is transported to liquid distribution 113, and waste water is recycled to come into full contact with steam, improves evaporation efficiency, and effectively save
Water resource.
Packing layer 112 is set as porous honeycomb tube packing layer 112, guarantees that water can come into full contact with steam, to enhance it
Heat exchange efficiency, effectively increase evaporation capacity.
Pump drainage wind apparatus 114 includes being set to exhaust blower 114a above spray pipe, being set to above exhaust blower 114a
Baffle plate demister 114b, the installation of exhaust blower 114a, since its air quantity is big, mass rate of emission is speeded, and effectively improves evaporation efficiency,
Baffle plate demister 114b then effectively completely cuts off the water mist being mixed in the boil-off gas of water mist, only discharges boil-off gas, effectively real
Existing pollution-free zero-emission.
Heat exchanger coil 122a is equipped in heat-exchanger tank 122, the sewage after softening exchanges heat by heat-exchanger tank 122,
Part of contaminated water is converted to gaseous state, effectively realizes zero-emission effect, and the heat source of heat exchanger coil 122a is workshop waste heat or steaming
One of vapour or solar energy are a variety of, using above-mentioned heat source, effectively further economize on resources, and save electric power.
A filter cloth 131 is equipped in filtering ponds 130, it is easy to use, it is conveniently replaceable, filter effect is good, reduces tower body 110 and corrodes
The case where fouling, occurs, and filtering ponds 130 are connected to liquid distribution 113 and softening pond 121 respectively by a vacuum pump 100b, filters
There may be the sewage not softened completely partially in pond 130, can then be back to softening pond 121 at this time and further be softened, and
Softening is completed and filtered liquid will be transported on liquid distribution 113 by vacuum pump 100b, is used as and steam heat-exchanging, such as
This, effectively economizes on resources, and improves evaporation effect.
The utility model includes apparatus body 100, and apparatus body 100 includes tower body 110, is connected to outside tower body 110
Pretreating device 120, the filtering ponds 130 for being set to 110 lower part of tower body, pretreating device 120 includes for the soft of precipitating ion
Change pond 121 and the heat-exchanger tank 122 for sewage heat change, softening pond 121 is equipped with a water inlet 121a, and overall structure is simple, preceding
Processing unit 120 carries out pre-treatment to sewage, and calcium ion, magnesium ion plasma deposition are got off, consolidated by filtering ponds 130
Liquid separation, effectively saving resource, high treating effect；The bottom in softening pond 121 is provided with blender 121b, makes sewage and softening pond
Chemical agent acceleration in 121 is sufficiently mixed, and is improved softening efficiency, is allowed to be not easy corrosion and scaling in tower body 110.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (7)
1. one kind is used for sewage treatment zero-emission evaporator, including apparatus body, it is characterised in that: the apparatus body includes
Tower body, the pretreating device being connected to outside tower body, the filtering ponds for being set to tower body lower part, the pretreating device include being used for
The softening pond of precipitating ion and the heat-exchanger tank for sewage heat change, the softening pond are equipped with a water inlet, blender setting
In the bottom in softening pond.
2. it is according to claim 1 be used for sewage treatment zero-emission evaporator, it is characterised in that: the tower body include with
The transition zone of pretreating device connection, the packing layer for being set to transition zone upper layer, the liquid distribution being set up in above packing layer, back
From transition zone and it is set to the pump drainage wind apparatus on liquid distribution upper layer, a blow-off valve is set to tower body bottom.
3. according to claim 2 be used for sewage treatment zero-emission evaporator, it is characterised in that: the transition zone erects
Section is in inverted triangle shape, and transition zone is connected to liquid distribution by circulating pump.
4. according to claim 2 be used for sewage treatment zero-emission evaporator, it is characterised in that: described filler layer setting
For porous honeycomb tube packing layer.
5. according to claim 2 be used for sewage treatment zero-emission evaporator, it is characterised in that: the pump drainage wind apparatus
Including the baffle plate demister for being set to exhaust blower above spray pipe, being set to above exhaust blower.
6. according to claim 1 be used for sewage treatment zero-emission evaporator, it is characterised in that: in the heat-exchanger tank
Equipped with heat exchanger coil, the heat source of the heat exchanger coil is workshop waste heat or one of steam or solar energy or a variety of.
7. according to claim 1 be used for sewage treatment zero-emission evaporator, it is characterised in that: set in the filtering ponds
It is equipped with a filter cloth, and filtering ponds are connected to liquid distribution and softening pond respectively by a vacuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820558051.XU CN208308615U (en) | 2018-04-19 | 2018-04-19 | One kind being used for sewage treatment zero-emission evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820558051.XU CN208308615U (en) | 2018-04-19 | 2018-04-19 | One kind being used for sewage treatment zero-emission evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208308615U true CN208308615U (en) | 2019-01-01 |
Family
ID=64720097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820558051.XU Active CN208308615U (en) | 2018-04-19 | 2018-04-19 | One kind being used for sewage treatment zero-emission evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208308615U (en) |
-
2018
- 2018-04-19 CN CN201820558051.XU patent/CN208308615U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 208, 109, and 210, Building 1, No. 2, Daojiao Section, Wanlu Road, Daojiao Town, Dongguan City, Guangdong Province, 523000 Patentee after: Guangdong Guanlv Environmental Protection Technology Co.,Ltd. Country or region after: China Address before: No. 5 and No. 6, Building 11, Huakecheng Innovation Island Industrial Incubation Park, No. 2 Wandao Road, Changping, Daojiao Town, Dongguan City, Guangdong Province 523000 Patentee before: GUANGDONG WANLYU ENVIRONMENTAL PROTECTION ENGINEERING CO.,LTD. Country or region before: China |
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| CP03 | Change of name, title or address |