CN208545144U - Waste water is concentrated by evaporation processing system - Google Patents
Waste water is concentrated by evaporation processing system Download PDFInfo
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- CN208545144U CN208545144U CN201820892924.0U CN201820892924U CN208545144U CN 208545144 U CN208545144 U CN 208545144U CN 201820892924 U CN201820892924 U CN 201820892924U CN 208545144 U CN208545144 U CN 208545144U
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Abstract
The utility model discloses a kind of waste water to be concentrated by evaporation processing system, including heat pump of high-temp water source unit, condenser, vacuum pump and evaporation concentration device, heat pump of high-temp water source unit is equipped with hot water delivery pipe, hot water input pipe, cold water efferent duct and cold water inlet pipe, the connection of the water inlet of hot water delivery pipe and evaporation concentration device, the connection of the water outlet of hot water input pipe and evaporation concentration device, the connection of the water inlet of cold water efferent duct and condenser, the connection of the water outlet of cold water inlet pipe and condenser, vacuum pump are connected to condenser and evaporation concentration device respectively.Cooling capacity needed for heat needed for the utility model provides material evaporation using heat pump of high-temp water source unit heat pump and condensation, is not necessarily to mating pre-heating system, and system is simple, and system support is few, cold and heat combined supply, and Energy Efficiency Ratio is high.
Description
Technical field
The utility model relates to Waste water concentrating processing technology field, especially a kind of heavy metal-containing waste water evaporation and concentration processing
System.
Background technique
Wastewater flow rate caused by heavy metal-containing waste water, especially PCB industry, electroplating industry is quite big, main succession
Based on COD and heavy metal.Heavy metal chemical coagulation-sedimentation method is generallyd use in the past, forms metal ion in waste water with alkaline agent
It after hydroxide wadding body, then is removed in a manner of precipitation and separation, waste water is again into biochemical treatment after heavy-metal ion removal.But this place
Reason method, consumption of chemicals is big, and processing cost is high, and heavy workload, treatment effect is unstable, is unable to qualified discharge.
At present the treatment process technology of relatively conventional high concentration heavy metal-containing waste water have chemical reduction method, electrolysis method, from
Sub- exchange process and membrane separation method.
Chemical reduction method: it is chemically reacted by putting into relevant medicament in heavy metal-containing waste water, each metal ion
It is reacted with medicament and generates synthetic progress precipitation and separation removal, this method is uncontrollable etc. by influent concentration and Adding medicine control variation
Factor can not accomplish that stably reaching standard discharges, and treated, and waste water also cannot achieve reuse to procedure for producing.
Electrolysis method: the method for electrolysis is to be moved by electric field, charge potential to the metal ion in heavy metal-containing waste water
Move the processing technique of attachment.This processing technique is generally only applicable to that water is less, without the highly concentrated of other foreign metal ions
Waste water is spent, the ion in waste water is finally recycled with sheet metal.But to general low concentration, concentration only have tens or
Several hundred ppm, water is big, and low concentration and concentration change greatly heavy metal-containing waste water, and the method for electrolysis is difficult to realize in waste water
Metal ion carries out effective mobility.Moreover, waste water its salinity after electrolysis has biggish increase, be difficult to accomplish stable emissions and
Reuse.
Ion-exchange: ion-exchange inhales the metal ion in waste water generally by ion exchange resin
It is attached.Metal ion in waste water is by resin adsorption, and resin saturation failure after a period of time, needs to expend a large amount of acid or alkali carries out
Elution and regeneration.Regenerative process needs a large amount of tap water to be eluted and cleaned, this large amount of ejected wash water also contains residue gold
Belong to ion, it is also desirable to could discharge after being handled.Ion exchange resin will fail for a period of time after Reusability,
Whole all replacements are needed after failure, cause high processing cost.
And film process is used, waste water can be handled well, and film produces water also can stably reaching standard discharge.But the concentration of film has centainly
The limit, i.e., when Waste water concentrating to a certain extent after, with the raising of concentration, conductivity rises, concentration of metal ions rises,
The solutes such as COD accordingly rise, so that film permeant flux declines, cycles of concentration is obstructed.Pass through membranous system treated concentrate
It is difficult to handle, Crystallization Separation effect has not only been not achieved but also reuse concentration is not achieved；In addition some heavy metal wastewater therebies are not suitable for into membrane system
System, has damage to film, influences membrane lifetime；And some conductivity of waste water are excessively high, are also not suitable for into membranous system, will lead to membranous system without
Produce water.
Processing is seen through using counter, to low concentration, in the waste water of≤500mg/L, processing water outlet can continue metal ion content
It is used in plating piece rinsing, does not influence wash effect, but for the higher dope of metal ion 500mg/L concentrations above containing a huge sum of money
Belong to waste water, water is produced after processing and is unable to stably reaching standard, is more than discharge standard value range.Coating bath cannot be directly returned simultaneously, will affect
Plating quality.
Utility model content
Based on the above issues, the purpose of the utility model is to overcome provide one kind in place of above-mentioned the deficiencies in the prior art
The evaporation and concentration processing system of heavy metal-containing waste water, the system medicament consumption is small, processing cost is low, treatment effect is stable, symbol
Close wastewater discharge standard.
To achieve the above object, a kind of technical solution that the utility model is taken are as follows: waste water evaporation and concentration processing system packet
Heat pump of high-temp water source unit, condenser, vacuum pump and evaporation concentration device are included, the heat pump of high-temp water source unit is equipped with hot water
Efferent duct, hot water input pipe, cold water efferent duct and cold water inlet pipe, the hot water delivery pipe and the evaporation concentration device into
Mouth of a river connection, the hot water input pipe connect with the water outlet of the evaporation concentration device, the cold water efferent duct with it is described cold
The water inlet of condenser connects, and the cold water inlet pipe is connect with the water outlet of the condenser, the vacuum pump respectively with it is described
Condenser is connected to evaporation concentration device.
Wherein, the main function of condenser is that will flash steam is condensed into water；The main function of vacuum pump is to maintain
Whole system negative-pressure vacuum realizes negative pressure low-temperature evaporation；As needed, water pump, flowmeter, valve can also be arranged in the utility model
Door etc..
Preferably, the evaporation concentration device includes evaporation heater and gas-liquid separator, the hot water delivery pipe and institute
The water inlet connection of evaporation heater is stated, the hot water input pipe is connect with the water outlet of the evaporation heater, the evaporation
The top of heater is connected to the middle part of the gas-liquid separator or lower part, the bottom of the evaporation heater and gas-liquid separator
Bottom pass through circulating pump be connected to.Evaporation heater is heated to evaporating temperature to material (heavy metal-containing waste water) as a result, then into
Enter gas-liquid separator and carry out gas-liquid separation, the material after gas-liquid separation enters back into evaporation heater and heat up by circulating pump to be added
Heat recycles repeatedly, until material is concentrated into required concentration, is finally discharged from gas-liquid separator bottom.
Preferably, the middle part or lower part of the gas-liquid separator are equipped with feed inlet.
Preferably, the vacuum pump is connected to the gas-liquid separator.As a result, due to gas-liquid separator and evaporation heater
Connection, the vacuum pump is substantially connect with gas-liquid separator, evaporation heater and condenser simultaneously, to maintain whole system
In negative pressure state, in this way, can be directly transferred in gas-liquid separator by negative pressure after material heating in evaporation heater, and
It does not need that a product pump in addition is arranged.
Preferably, liquid level detector is equipped in the gas-liquid separator.Thus, it is possible to monitor in real time in gas-liquid separator
The liquid level of material can star quick feeding mode, when the amount of material reaches certain level, be converted into just when starting charging
Normal feed mode, to save feed time.
In conclusion the utility model has the following beneficial effects:
1, needed for heat needed for the utility model provides material evaporation using heat pump of high-temp water source unit heat pump and condensation
Cooling capacity, be not necessarily to mating pre-heating system, system is simple, and system support is few, cold and heat combined supply, and Energy Efficiency Ratio is high；
2, compared to the former modes such as boiler or electric heating, energy consumption is substantially reduced, and takes full advantage of heat pump of high-temp water source machine
The energy that the cold and hot both ends of group heat pump generate, it is energy-efficient；
3, whole system occupied area is small, easy to operate, long service life, and failure rate is few.
Detailed description of the invention
Fig. 1 is that the waste water of the utility model is concentrated by evaporation the structural schematic diagram of processing system；
Fig. 2 is the specific structural schematic diagram of evaporation concentration device；
Wherein, 1, heat pump of high-temp water source unit, 2, condenser, 3, vacuum pump, 4, evaporation concentration device, 5, hot water output
Pipe, 6, hot water input pipe, 7, cold water efferent duct, 8, cold water inlet pipe, 9, evaporation heater, 10, gas-liquid separator, 11, circulation
Pump, 12, discharge gate.
Specific embodiment
The utility model is suitable for PCB (plating, circuit board, wiring board) industry, food-processing industry, chemical industry, doctor
The concentration of evaporation decrement and zero-emission of the industries waste water such as medicine industry, machining manufacturing and waste liquid.The utility model uses
Heat pump of high-temp water source unit heat pump provides the heat of high-concentration heavy metal waste water evaporative crystallization and the cooling capacity of gas-liquid separation, realization pair
Solid, air-liquid separation and recovery processing in high-concentration heavy metal waste water.
To better illustrate the purpose of this utility model, technical solution and advantage, below in conjunction with attached drawing and specific implementation
The utility model is described in further detail for example.
Embodiment 1
As illustrated in fig. 1 and 2, the waste water of the utility model is concentrated by evaporation a kind of embodiment of processing system, including high-temperature water
Source heat pump unit 1, condenser 2, vacuum pump 3 and evaporation concentration device 4, heat pump of high-temp water source unit 1 are equipped with hot water delivery pipe
5, the water inlet of hot water input pipe 6, cold water efferent duct 7 and cold water inlet pipe 8, hot water delivery pipe 5 and evaporation concentration device 4 connects
It connects, hot water input pipe 6 is connect with the water outlet of evaporation concentration device 4, and cold water efferent duct 7 is connect with the water inlet of condenser 2, cold
Water inlet pipe 8 is connect with the water outlet of condenser 2, and vacuum pump 3 is connected to condenser 2 and evaporation concentration device 4 respectively；
Wherein, evaporation concentration device 4 includes evaporation heater 9 and gas-liquid separator 10, and hot water delivery pipe 5 and evaporation are heated
The water inlet of device 9 connects, and hot water input pipe 6 is connect with the water outlet of evaporation heater 9, the top of evaporation heater 9 and gas-liquid
The middle part of separator 9 or lower part connection, the bottom of evaporation heater 9 and the bottom of gas-liquid separator 10 are connected by circulating pump 11
It is logical；The middle part or lower part of gas-liquid separator 10 are equipped with feed inlet (not shown)；Vacuum pump 3 is connected to gas-liquid separator 10；
Liquid level detector (not shown) is equipped in gas-liquid separator 10；10 bottom of gas-liquid separator is equipped with discharge gate 12.
The waste water of the present embodiment is concentrated by evaporation processing system and has the following characteristics that in application
1) heat pump of high-temp water source unit generates T1~T2 DEG C of high temperature of hot water, into evaporation heater shell side and tube side, with
The material (heavy metal-containing waste water) of required evaporation carries out indirect heat exchange, so that material is reached evaporating temperature, is then refluxed for heat pump
Unit realizes high-temperature-hot-water sustainable supply；
2) material after heat exchange heating enters gas-liquid separator progress gas-liquid separation, and the saturated steam after separation enters cold
The shell side of condenser；
3) T3~T4 DEG C of the cooling water that heat pump of high-temp water source unit generates simultaneously enters the tube side of condenser, will be outside shell side
Saturated vapor be condensed into water, condensed water collects discharge (distillate) by water collect tank (not shown)；
4) cooling water is back to heat pump unit after condenser heat exchange, realizes consecutive low temperature cooling water supply；
5) material after gas-liquid separation enters back into heater by circulating pump and carries out heating heat exchange, enters again after material heating
Gas-liquid separator separates so recycle, and realize that material is constantly evaporated concentration, until material is concentrated into required concentration, then from
Material (concentration kettle liquid) after the discharge concentration of discharge gate 12 of gas-liquid separator bottom；
6) vacuum pump connection condenser, gas-liquid separator, evaporation heater are realized surely for the entire processing system that is concentrated by evaporation
Fixed negative-pressure vacuum, it is ensured that material maintains explosive evaporation at low temperature；
7) unpowered charging: vacuum pump has realized that the stable negative-pressure vacuum of entire evaporation and concentration processing system, material are not necessarily to
Feed pump can be realized from evaporation heater by vacuum and be inhaled into gas-liquid separator；When system just starts charging, system can be opened
Dynamic quick feeding mode, opens quick feeding valve, and material is directly entered gas-liquid separator middle and lower part by quick feeding valve, works as gas
When liquid level detector in liquid/gas separator detects that material reaches a certain amount of, system starts normal feed mode, machine automatization into
Expect that valve is opened, inlet amount is automatically controlled by machine automatization inlet valve and flash evaporation control valve；
8) pipeline and each device can be different according to actual requirement and region in this system, using stainless steel, dual phase steel,
The anti-corrosion resistant material such as titanium, modified graphite.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model rather than to this realities
With the limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, this field it is common
It will be appreciated by the skilled person that can be with the technical solution of the present invention is modified or equivalently replaced, without departing from this reality
With the spirit and scope of new technique scheme.
Claims (5)
1. a kind of waste water is concentrated by evaporation processing system, which is characterized in that including heat pump of high-temp water source unit, condenser, vacuum pump
And evaporation concentration device, the heat pump of high-temp water source unit are equipped with hot water delivery pipe, hot water input pipe, cold water efferent duct and cold
Water inlet pipe, the hot water delivery pipe connect with the water inlet of the evaporation concentration device, the hot water input pipe and the steaming
The water outlet connection of enrichment facility is sent out, the cold water efferent duct is connect with the water inlet of the condenser, the cold water inlet pipe
It is connect with the water outlet of the condenser, the vacuum pump is connected to the condenser and evaporation concentration device respectively.
2. system according to claim 1, which is characterized in that the evaporation concentration device includes evaporation heater and gas-liquid
Separator, the hot water delivery pipe connect with the water inlet of the evaporation heater, and the hot water input pipe and the evaporation add
The water outlet of hot device connects, and the top of the evaporation heater is connected to the middle part of the gas-liquid separator or lower part, the steaming
The bottom of hair heater is connected to the bottom of gas-liquid separator by circulating pump.
3. system according to claim 2, which is characterized in that the middle part or lower part of the gas-liquid separator are equipped with charging
Mouthful.
4. system according to claim 2 or 3, which is characterized in that the vacuum pump is connected to the gas-liquid separator.
5. system according to claim 2, which is characterized in that be equipped with liquid level detector in the gas-liquid separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820892924.0U CN208545144U (en) | 2018-06-06 | 2018-06-06 | Waste water is concentrated by evaporation processing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820892924.0U CN208545144U (en) | 2018-06-06 | 2018-06-06 | Waste water is concentrated by evaporation processing system |
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| CN208545144U true CN208545144U (en) | 2019-02-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109850970A (en) * | 2019-03-29 | 2019-06-07 | 珠海市玛斯特五金塑胶制品有限公司 | A kind of nickel system Waste water concentrating processing method and its processing system |
-
2018
- 2018-06-06 CN CN201820892924.0U patent/CN208545144U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109850970A (en) * | 2019-03-29 | 2019-06-07 | 珠海市玛斯特五金塑胶制品有限公司 | A kind of nickel system Waste water concentrating processing method and its processing system |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200107 Address after: 528000 Building 8, Xinyue Road, Wusha community residents committee, Daliang sub district office, Shunde District, Foshan City, Guangdong Province Patentee after: Guangdong Fenlan Environmental Technology Co., Ltd. Address before: 510000 3 Tianyuan Road, Dagang Town, Nansha District, Guangzhou, Guangdong Patentee before: Guangdong Environmental Protection Technology Co. Ltd. hereby Cervantes |
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| TR01 | Transfer of patent right |