CN110316778A - A kind of high-efficiency energy-saving desulfurizing Waste water concentrating processing unit - Google Patents
A kind of high-efficiency energy-saving desulfurizing Waste water concentrating processing unit Download PDFInfo
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- CN110316778A CN110316778A CN201910655304.4A CN201910655304A CN110316778A CN 110316778 A CN110316778 A CN 110316778A CN 201910655304 A CN201910655304 A CN 201910655304A CN 110316778 A CN110316778 A CN 110316778A
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- 239000002351 wastewater Substances 0.000 title claims abstract description 85
- 238000012545 processing Methods 0.000 title claims abstract description 20
- 230000003009 desulfurizing effect Effects 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 92
- 238000001704 evaporation Methods 0.000 claims abstract description 48
- 238000012856 packing Methods 0.000 claims abstract description 35
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 20
- 230000023556 desulfurization Effects 0.000 claims abstract description 20
- 238000009826 distribution Methods 0.000 claims description 15
- 238000005516 engineering process Methods 0.000 claims description 6
- 230000008020 evaporation Effects 0.000 claims description 6
- 239000003517 fume Substances 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 17
- 239000002918 waste heat Substances 0.000 abstract description 11
- 238000013461 design Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 7
- 239000003546 flue gas Substances 0.000 abstract description 7
- 239000002002 slurry Substances 0.000 abstract description 5
- 239000012141 concentrate Substances 0.000 abstract description 3
- 238000012805 post-processing Methods 0.000 abstract description 3
- 238000004821 distillation Methods 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000005273 aeration Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 238000003486 chemical etching Methods 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 229920002681 hypalon Polymers 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000010908 plant waste Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/043—Details
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/10—Treatment of water, waste water, or sewage by heating by distillation or evaporation by direct contact with a particulate solid or with a fluid, as a heat transfer medium
- C02F1/12—Spray evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/16—Treatment of water, waste water, or sewage by heating by distillation or evaporation using waste heat from other processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of high-efficiency energy-saving desulfurizing Waste water concentrating processing units, the desulfurization wastewater concentration device includes evaporating column, system waste water is passed through water inlet pipe, waste water flows to central tube and enters each range pipe, uniformly sprinkling and under, start motor and blower, when waste water is from range pipe from top to bottom by packing layer and after entering the air heat exchange of progress that one's intention as revealed in what one says Netcom enters, complete flush distillation, the water sprayed falls on water-collecting tray, appropriate flue gas is supplemented to air inlet pipe, maintain water temperature to design value, waste water circulating pump draws the waste water in water-collecting tray to water inlet pipe, it loops back and forth like this, until water-collecting tray concentration of slurry reaches the concentration needed, it opens discharge nozzle and concentrate is discharged to subsequent treatment process section, the heat and waste heat of device effective use system itself in the present invention, it is energy saving, it reduces investment outlay, equipment is few, operation dimension Protect it is at low cost, may be implemented compared with high magnification be concentrated, with it is various forms of post-processing flexibly collocation realize terminal waste water zero-emissions.
Description
Technical field
The invention belongs to desulfurization wastewater processing technology field, specially a kind of high-efficiency energy-saving desulfurizing Waste water concentrating processing dress
It sets.
Background technique
The waste water of desulphurization system discharge, pH value are 5~6, contain a large amount of suspended matter (gypsum particle, SiO simultaneously2、Al
With the hydroxide of Fe), fluoride and micro heavy metal etc., wherein being much require control in national environmental standard first
Pollutant.Due to the particularity of water quality, although desulfurization wastewater water accounts for smaller, salt content pole in power plant effluent
Height, pollutant kind is more, variation water quality is big, it has also become ingredient complexity, the maximum waste water of processing difficulty the most in coal-burning power plant.With
" water prevention and cure of pollution action plan " (ten, water) promulgation and desulfurization wastewater " zero-emission " (ZeroLiquidDisge, ZLD) it is general
The it is proposed of thought, as far as possible reuse desulfurization wastewater simultaneously recycle the useful resources in waste water, are the research of Desulphurization for Coal-fired Power Plant waste water system
An important directions；
Desulfurization wastewater concentration technology includes: thermal method concentration, embrane method concentration, and thermal method concentration mainly includes mechanical vapor-compression MVC/
MVR, multiple-effect evaporation, steam concentration, wherein mechanical vapor-compression method, multiple-effect evaporation method system complex, investment operating cost are high, behaviour
It is big to make operation difficulty, steam is costly in steam concentration, and embrane method concentration, which is separated according to film after different realizations, to be concentrated, and reaches and subtracts
The purpose of amount, if pretreatment bating effect is bad, easily there is film and equipment surface fouling in embrane method concentration, influences efficiency,
Later period operation, maintenance cost are higher, and the present invention is reduced its brine concentration, subtracts significantly using the moisture content in waste heat evaporating waste water
Few aftertreatment technology section treating capacity, the installation area is small, investment and operating cost are low, wants to the operation level of operations staff
Ask relatively low；
In conclusion a kind of high-efficiency energy-saving desulfurizing Waste water concentrating processing unit of the present invention makes full use of mechanical forced ventilation former
Reason, dry air carry out heat with hot water into evaporating column and exchange after blower is twitched, hot water evaporation, and salinity concentration is described
Device efficiently uses the heat and waste heat of system itself, energy saving, reduces investment outlay, and equipment is few, and operation expense is low, can be with
It realizes and is concentrated compared with high magnification, the zero-emission of terminal waste water is realized with various forms of post-processing collocation.
Summary of the invention
The purpose of the present invention is to provide a kind of high-efficiency energy-saving desulfurizing Waste water concentrating processing units, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the invention provides the following technical scheme: a kind of high-efficiency energy-saving desulfurizing Waste water concentrating processing dress
Set, which includes evaporating column, and evaporating column water inlet is connected with external desulfurization wastewater case, evaporating column into
Waste water circulating pump is equipped between the mouth of a river and evaporating column discharge port, evaporating column side is equipped with ladder platform, is equipped with branch on the downside of evaporating column
Frame.
As optimization, evaporating column includes shell, packing layer, water-collecting tray, central tube, range pipe, water inlet pipe and discharge nozzle,
Case inside is equipped with packing layer and water-collecting tray, and packing layer is located at housing central section, and packing layer is located on the upside of water-collecting tray, and central tube is fixed
It is mounted on housing bottom, central tube extends through water-collecting tray and packing layer, and central tube is equipped with close to one end of water-collecting tray matches water system
System, water distribution system are surrounded by range pipe, and water distribution system and range pipe are respectively positioned on packing layer top, and the central tube other end is set
There is water inlet pipe, water-collecting tray side bottom is equipped with discharge nozzle, and pan bottom of catchmenting is equipped with temperature sensor.
As optimization, evaporating column further includes intake elbow, enters one's intention as revealed in what one says net and air inlet pipe, and air inlet pipe is connected with intake elbow,
Air inlet pipe is connected to by pipeline with water-collecting tray side, and the air inlet pipe other side is connected with external waste heat flue gas, and intake elbow is located at collection
Water pond top, housing side lower part are equipped with through-hole, and through-hole covers one layer and enters one's intention as revealed in what one says net, enters one's intention as revealed in what one says net and be located at packing layer and water-collecting tray
Between, air inlet pipe is equipped with air intake valve.
As optimization, three-way solenoid valve is equipped on water inlet pipe, water inlet pipe one end is connected to by pipeline with central tube side,
And run through housing side, water inlet pipe one end is connected with external desulfurization wastewater case, and the water inlet pipe other end is recycled by pipeline and waste water
Pump out mouth of a river connection.
As optimization, discharge nozzle is equipped with three-way solenoid valve, and discharge nozzle one end is connected to water-collecting tray side bottom, discharge nozzle
One end is connected with aftertreatment technology section, and the discharge nozzle other end be connected to by pipeline with waste water circulating pump water inlet, discharge nozzle and is given up
Packing density meter on pipeline between water-circulating pump.
As optimization, upper part of the housing is equipped with motor, and motor is connected with blower by shaft coupling.
As optimization, intake elbow shape is ring-type.
As optimization, be equipped with PLC controller in monitoring room, PLC controller respectively with densitometer, waste water circulating pump, temperature
Sensor, solenoid valve and water distribution system are electrically connected.
Compared with prior art, the beneficial effects of the present invention are: in the present invention, there are two make into waste heat flue gas for air inlet pipe
With: the first, the waste water to cool down in the hot fume heating heat exchanging process come in；The second, hot fume can satisfy aeration performance, prevent
Only concentrated slurry designs a constant volume in water-collecting tray bottom deposit or fouling, water-collecting tray, collects shower water from the top down, and have
There is partial concentration surge tank function, waste water circulating pump extracts the waste water in underdrain disk to water inlet pipe, repeats the above steps, follow
Ring back and forth achievees the purpose that concentration, and the setting of intake elbow shape is conducive to flue gas and spreads in evaporating column more evenly, packing layer by
The polyethylene plain film heating compression moulding of excellent modification forms, and packing layer is designed using unique inclined ladder shape wave, makes packing layer table
The air-flow water-flow equation in face is uniform, and heat exchange performance significantly improves, while having many advantages, such as fire-retardant, cold-resistant, resistant to chemical etching, shell
Body uses FRP material, corrosion-resistant, long service life, and the present apparatus makes full use of mechanical forced ventilation principle, and dry air passes through
After blower twitch, heat being carried out with hot water into evaporating column and is exchanged, hot water evaporation, salinity concentration, device effective use system is certainly
The heat and waste heat of body, it is energy saving, it reduces investment outlay, equipment is few, and operation expense is low, it may be implemented to be concentrated compared with high magnification,
It flexibly arranges in pairs or groups with various forms of post-processings and realizes the zero-emission of terminal waste water.
Detailed description of the invention
Fig. 1 is a kind of high-efficiency energy-saving desulfurizing Waste water concentrating processing unit process flow chart of the present invention；
Fig. 2 is evaporating column structural schematic diagram of the present invention.
In figure: 1- evaporating column, 2- waste water circulating pump, 22- shell, 13- ladder platform, 14- packing layer, 17- water-collecting tray,
15- central tube, 12- range pipe, 18- water inlet pipe, 21- discharge nozzle, 24- intake elbow, 19- enter one's intention as revealed in what one says net, 16- air inlet pipe,
10- motor, 11- blower and 23- bracket.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2: a kind of high-efficiency energy-saving desulfurizing Waste water concentrating processing unit,
The desulfurization wastewater concentration device includes evaporating column 1, and 1 water inlet of evaporating column is connected with external desulfurization wastewater case, evaporating column 1 into
Waste water circulating pump 2 is equipped between 1 discharge port of the mouth of a river and evaporating column, 1 side of evaporating column is equipped with ladder platform 13,1 downside of evaporating column
Equipped with bracket 23.
Evaporating column 1 includes shell 22, packing layer 14, water-collecting tray 17, central tube 15, range pipe 12, water inlet pipe 18 and goes out
Expects pipe 21 is equipped with packing layer 14 and water-collecting tray 17 on the inside of shell 22, and packing layer 14 is located at 22 middle part of shell, and packing layer 14, which is located at, to be collected
17 upside of water pond, central tube 15 are fixedly mounted on 22 bottom of shell, and central tube 15 extends through water-collecting tray 17 and packing layer 14, in
Heart pipe 15 is equipped with water distribution system close to one end of water-collecting tray 17, and water distribution system is surrounded by range pipe 12, water distribution system and matches
Water branch pipe 12 is respectively positioned on 14 top of packing layer, and 15 other end of central tube is equipped with water inlet pipe 18, and 17 side bottom of water-collecting tray is equipped with
Expects pipe 21,17 bottom of water-collecting tray are equipped with temperature sensor, and packing layer 14 is formed by the polyethylene plain film heating compression moulding of excellent modification,
The design of the unique inclined ladder shape wave of packing layer 14, keeps the air-flow water-flow equation of filler layer surface uniform, and heat exchange performance significantly improves,
Have many advantages, such as fire-retardant, cold-resistant, resistant to chemical etching, the use FRP material of shell 22, corrosion-resistant, long service life, water-collecting tray simultaneously
17 one constant volumes of design, collect shower water from the top down, also need to be considered as partial concentration surge tank function, 17 volume of water-collecting tray
There is certain proportion with the flow of evaporating column 1, this ratio is practical according to waste water circulating pump cycle-index and concentrate feed discharge concentration
Situation determines that waste water enters from tower bottom water inlet pipe 18, and from top to bottom, air inlet bend pipe 24 carries out the water in tower from top to bottom
Reflux, waste water is sent on inner-tower filling material layer 14 from central tube 15 by range pipe 12, since water temperature is higher, can continue to
Air transfers heat, 14 water of packing layer on top and the hot gas of bottom in tower swap, when the waste water on packing layer 14 reaches
To the water-collecting tray 17 of bottom, hot water evaporating temperature is reduced, and the waste heat of air inlet pipe 16 will continue to the water that heating cools down, with drying
Air continues heat exchange, and temperature sensor for example selects the sensor of model XY-18, when water temperature is lower than design value, benefit
Flue gas is filled, when water temperature is higher than design value, closing air intake valve adjusts waste heat extraction amount by measurement water temperature, so that control is useless
Hot fume extraction amount, 1 frame of evaporating column are designed using truss structure, and frame structure is stablized, and rigidity is good, when evaporating column 1 is run
Uniform load be distributed on each basis, run smoothly, all structural members apply epoxy after zinc-plated through heat dip zinc treating
Asphalt caulk or chlorosulfonated polyethylene two, have good antirust, anti-corrosive performance, and shell 22 uses glass steel material, surface light
Sliding, light high-strength corrosion-resistant loses, is ageing-resistant.
Evaporating column 1 further includes intake elbow 24, enters one's intention as revealed in what one says net 19 and air inlet pipe 16, and air inlet pipe 16 and intake elbow 24 connect
It connects, air inlet pipe 16 is connected to by pipeline with 17 side of water-collecting tray, and 16 other side of air inlet pipe is connected with external waste heat flue gas, and air inlet is curved
Pipe 24 is located at 17 top of water-collecting tray, and 22 side lower of shell is equipped with through-hole, and through-hole covers one layer and enters one's intention as revealed in what one says net 19, enters one's intention as revealed in what one says net 19
Between packing layer 14 and water-collecting tray 17, air inlet pipe 16 is equipped with air intake valve, and PLC controller and air intake valve electrically connect
It connects, intake elbow 24 uses ABS material, and there are two effects for 16 air inlet of air inlet pipe: the first, the hot fume heating heat exchange come in
The waste water to cool down in journey；The second, hot fume can satisfy aeration performance, prevent concentrated slurry in water-collecting tray bottom deposit or knot
Dirt enters one's intention as revealed in what one says net 19 and is mounted on 22 lower part of shell, and wind flows from bottom to top, opposite with water (flow) direction to carry out heat exchange, the present invention
Middle desulfurization wastewater enters water distribution system by central tube 15, and range pipe 12 equably splashes water on packing layer 14, does
The air of dry low enthalpy value is entered in tower under the action of blower 11 by bottom inlet wind net 19, and hot water flows through 14 surface of packing layer
When form moisture film and air and carry out heat exchange, the hot wind of the high enthalpy of high humility is extracted out from top, and water is cooled to instill evaporating column bottom
In portion's water-collecting tray 17, it is re-fed into 1 water inlet of evaporating column through the extraction of waste water circulating pump 2, under normal circumstances, is into the air in tower
Dry, low enthalpy value, the concentration difference and kinetic energy pressure difference of hydrone are clearly present between water and air, when blower 11 is run
When, in tower under the action of static pressure, hydrone constantly to air evaporation, becomes water vapour molecule, and water is fewer and fewer, salinity
More and more denseer, waste water circulating pump 2 extracts the waste water in underdrain disk 17 to water inlet pipe 16, repeats the above steps, moves in circles
Achieve the purpose that concentration, waste heat enters water-collecting tray 17 by 1 bottom air inlet of evaporating column, loses in supplement heat exchanging process
Heat is maintained at waste water within the scope of steady temperature.
Triple valve is equipped on water inlet pipe 18,18 one end of water inlet pipe is connected to by pipeline with 15 side of central tube, and is run through
22 side of shell, 18 one end of water inlet pipe are connected with external desulfurization wastewater case, and 18 other end of water inlet pipe is recycled by pipeline and waste water
Pump the connection of 2 water outlets.
Discharge nozzle 21 is equipped with triple valve, and 21 one end of discharge nozzle is connected to 17 side bottom of water-collecting tray, 21 one end of discharge nozzle
It is connected with aftertreatment technology section, 21 other end of discharge nozzle be connected to by pipeline with 2 water inlet of waste water circulating pump, discharge nozzle 21 and is given up
Packing density meter on pipeline between water-circulating pump 2, when density evaluation is lower than setting value, closing discharge valve opens circulating valve
Door, opens waste water circulating pump 2, and waste water is drawn into 1 import of evaporating column by waste water circulating pump 2, measures concentrated slurry by densitometer
Density controls desulfurization wastewater concentration rate and desulfurization wastewater discharge amount, and water-collecting tray 17 is that big moisture storage capacity and high water level design, keep away
Exempt from booting to evacuate, guarantees corollary equipment normal operation.
22 top of shell is equipped with motor 10, and motor 10 is connected with blower 11 by shaft coupling, and motor 10 selects model
The motor of TVGH90L-4, blower 11 for example select the blower of model SLG, and motor 10 uses totally-enclosed evaporating column variable speed electric motors, particularly,
Good seal performance is suitble to run in damp and hot environment, runs low noise, long service life, its running management is flexible, works as temperature
It is high, when humidity is big or watering equipment water temperature drop is big, open high speed, otherwise middling speed or low speed can be opened, evening temperature is lower open in,
Low speed, noise can decline 3~6dB(A at this time) more than, blower 11 can open low speed and reverse when freezed in winter, and the temperature in tower can be fast
Speed disappears ice, and does not damage blower 11, in addition, the water that floats can also be reduced by opening low speed, reason does not freeze to form pollution, blower ambient enviroment
11 select the wide blade forward tilt slow-speed of revolution aluminium alloy axial fan of airfoil type, with revolving speed is low, air quantity is big, high-efficient, noise
Low, the advantages that dynamic balance performance is good, 11 adjustable angle of blower can meet the different needs to process aspects such as air quantity, noises, wind
11 blade material of machine is fiber glass epoxy, and motor 10 is equipped with reduction gearbox, and reduction gearbox uses imported bearing, is equipped with three cuticle of import
Band makes 1 deceleration device of evaporating column run smoothly, low noise, long service life.
24 shape of intake elbow is ring-type, and open type also can be set into, and aperture mouth arrangement is uniformly, best on intake elbow 24
Without dead angle.
PLC controller is equipped in monitoring room, PLC controller for example selects the controller of model DVP32ES00R2, PLC
Controller is electrically connected with densitometer, temperature sensor, solenoid valve and water distribution system respectively, and apparatus of the present invention pass through control waste water
Circulating pump 2, densitometer, temperature sensor, solenoid valve and water distribution system realize automatic control, long-range monitoring, one-key start, nothing
People is on duty.
Complete equipment design is simple, and water distribution system is unobstructed, and entire water distribution process does not need to specially require, and is not easy to block up
Plug uses packing, prevents aging and moisture reflux, and complete equipment operation is fairly simple, and concentration rate is higher, and system is certainly
Dynamicization operation, without human intervention, apparatus of the present invention utilize the heat and waste heat of desulfurization wastewater itself, are realized by force ventilation
The heat exchange of water and air, moisture constantly evaporate, and salinity is constantly concentrated, and apparatus of the present invention invest, operation side low with operating cost
Just, there is wide prospects for commercial application.
Working principle: a kind of high-efficiency energy-saving desulfurizing Waste water concentrating processing unit, the desulfurization wastewater concentration device include
Evaporating column 1, system waste water is by desulfurization wastewater by simple pretreatment, and into water inlet pipe 18, waste water flows to central tube 15 and enters
Each range pipe 12, uniformly sprinkling and under, start motor 10 and blower 11, confirm motor 10 and 11 normal operation of blower, when useless
Water is completed from range pipe 12 from top to bottom by packing layer 14 and after entering the air heat exchange of progress that one's intention as revealed in what one says net 19 is passed through
Flush distillation sprays the water to get off and falls on underdrain disk 17, and underdrain disk 17 monitors waste water temperature by temperature sensor,
When waste water temperature is lower than design value, appropriate flue gas is supplemented to air inlet pipe 16, water temperature is maintained to arrive design value, is designed when water temperature is higher than
Value, closes air intake valve, and waste water circulating pump 2 draws the waste water in water-collecting tray 17 to water inlet pipe 16, again through range pipe
12, spray arrives filler from top to bottom, and 14 carry out heat exchange step just now, finally falls into water-collecting tray 17, loops back and forth like this, until
17 concentration of slurry density evaluation of underdrain disk is higher than setting value and closes circulation valve, after the opening discharge concentrate of discharge nozzle 21 arrives
Continuous treatment process section.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of high-efficiency energy-saving desulfurizing Waste water concentrating processing unit, it is characterised in that: the desulfurization wastewater concentration device includes
Evaporating column (1), evaporating column (1) water inlet are connected with external desulfurization wastewater case, evaporating column (1) water inlet and evaporating column
(1) waste water circulating pump (2) are equipped between discharge port, evaporating column (1) side is equipped with ladder platform (13), the evaporating column
(1) downside is equipped with bracket (23).
2. a kind of high-efficiency energy-saving desulfurizing Waste water concentrating processing unit according to claim 1, it is characterised in that: the evaporation
Tower (1) include shell (22), packing layer (14), water-collecting tray (17), central tube (15), range pipe (12), water inlet pipe (18) and
Discharge nozzle (21), the evaporating column (1) are full-closed structure, are equipped with packing layer (14) and water-collecting tray on the inside of the shell (22)
(17), described filler layer (14) is located in the middle part of shell (22), and described filler layer (14) is located on the upside of water-collecting tray (17), the center
Pipe (15) is fixedly mounted on shell (22) bottom, and the central tube (15) extends through water-collecting tray (17) and packing layer (14), institute
It states central tube (15) and is equipped with water distribution system close to the one end of water-collecting tray (17), the water distribution system is surrounded by range pipe
(12), the water distribution system and range pipe (12) are respectively positioned on packing layer (14) top, and central tube (15) other end is equipped with
Water inlet pipe (18), water-collecting tray (17) side bottom are equipped with discharge nozzle (21), and water-collecting tray (17) bottom is passed equipped with temperature
Sensor.
3. a kind of high-efficiency energy-saving desulfurizing Waste water concentrating processing unit according to claim 2, it is characterised in that: the evaporation
Tower (1) further includes intake elbow (24), enters one's intention as revealed in what one says net (19) and air inlet pipe (16), the air inlet pipe (16) and intake elbow (24)
Connection, the air inlet pipe (16) are connected to by pipeline with water-collecting tray (17) side, and air inlet pipe (16) other side and outside are useless
Hot fume connection, the intake elbow (24) are located at water-collecting tray (17) top, and shell (22) side lower is equipped with through-hole, institute
State through-hole cover one layer enter one's intention as revealed in what one says net (19), it is described enter one's intention as revealed in what one says net (19) be located between packing layer (14) and water-collecting tray (17).
4. a kind of high-efficiency energy-saving desulfurizing Waste water concentrating processing unit according to claim 3, it is characterised in that: the water inlet
Three-way solenoid valve is equipped on pipe (18), described water inlet pipe (18) one end is connected to by pipeline with central tube (15) side, and is passed through
Shell (22) side is worn, described water inlet pipe (18) one end is connected with external desulfurization wastewater case, and water inlet pipe (18) other end is logical
Pipeline is crossed to be connected to waste water circulating pump (2) water outlet.
5. a kind of high-efficiency energy-saving desulfurizing Waste water concentrating processing unit according to claim 3, it is characterised in that: the discharging
It also is provided with three-way solenoid valve on pipe (21), described discharge nozzle (21) one end is connected to water-collecting tray (17) side bottom, the discharging
Pipe (21) one end is connected with aftertreatment technology section, and discharge nozzle (21) other end is intake by pipeline and waste water circulating pump (2)
Mouth is connected to, packing density meter on the pipeline between the discharge nozzle (21) and waste water circulating pump (2).
6. a kind of high-efficiency energy-saving desulfurizing Waste water concentrating processing unit according to claim 2, it is characterised in that: the shell
(22) top is equipped with motor (10), and the motor (10) is connected with blower (11) by shaft coupling.
7. a kind of high-efficiency energy-saving desulfurizing Waste water concentrating processing unit according to claim 3, it is characterised in that: the air inlet
Bend pipe (24) shape is ring-type.
8. a kind of high-efficiency energy-saving desulfurizing Waste water concentrating processing unit according to claim 5, it is characterised in that: the monitoring
Interior be equipped with PLC controller, PLC controller respectively with densitometer, temperature sensor, waste water circulating pump (2), three-way solenoid valve and
Water distribution system is electrically connected.
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| CN201910655304.4A CN110316778A (en) | 2019-07-19 | 2019-07-19 | A kind of high-efficiency energy-saving desulfurizing Waste water concentrating processing unit |
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| CN201910655304.4A CN110316778A (en) | 2019-07-19 | 2019-07-19 | A kind of high-efficiency energy-saving desulfurizing Waste water concentrating processing unit |
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| CN111792690A (en) * | 2020-04-27 | 2020-10-20 | 大唐环境产业集团股份有限公司 | A device and method for realizing zero discharge of desulfurization wastewater by utilizing waste heat of flue gas |
| CN112551627A (en) * | 2020-11-26 | 2021-03-26 | 武汉天空蓝环保科技有限公司 | Desulfurization waste water enrichment facility and zero discharge system |
| CN113526594A (en) * | 2021-07-31 | 2021-10-22 | 董春 | Industrial wastewater desalting and desalting evaporator and desalting method |
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| CN113526594A (en) * | 2021-07-31 | 2021-10-22 | 董春 | Industrial wastewater desalting and desalting evaporator and desalting method |
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Effective date of registration: 20210519 Address after: 315800 Human Resources Department of Guodian Zhejiang Beilun No.1 Power Generation Co., Ltd., No.66, Jingang West Road, Beilun District, Ningbo City, Zhejiang Province Applicant after: GUODIAN BEILUN NO.1 POWER GENERATION Co.,Ltd. Applicant after: Nanjing Branch of Guoneng Lang Xinming Environmental Protection Technology Co.,Ltd. Address before: 315800 Human Resources Department of Guodian Zhejiang Beilun No.1 Power Generation Co., Ltd., No.66, Jingang West Road, Beilun District, Ningbo City, Zhejiang Province Applicant before: GUODIAN BEILUN NO.1 POWER GENERATION Co.,Ltd. Applicant before: Nanjing Branch of Guoneng Lang Xinming Environmental Protection Technology Co.,Ltd. Applicant before: Xu Feng Applicant before: Xu Yingxing |
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