CN206940475U - A kind of low-temperature evaporation device using plating spraying waste water - Google Patents
A kind of low-temperature evaporation device using plating spraying waste water Download PDFInfo
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- CN206940475U CN206940475U CN201720549052.3U CN201720549052U CN206940475U CN 206940475 U CN206940475 U CN 206940475U CN 201720549052 U CN201720549052 U CN 201720549052U CN 206940475 U CN206940475 U CN 206940475U
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Abstract
A kind of low-temperature evaporation device using plating spraying waste water includes evaporation water leg, and evaporation water leg top is provided with low-temperature evaporation component, and the side of low-temperature evaporation component is connected with hot air circulation unit, and opposite side is connected with waste water circulation system；The bottom of evaporation water leg is provided with water intake；Provided with a raw water box, raw water box is connected with water intake；Waste water circulation system is connected with a solid discharge device.Air of the air-heating unit by the heating of low-quality thermal source into device, heat transferring medium is used as by the use of hot-air, efficient heat transfer and mass transport process occurs with waste water in low-temperature evaporation unit, realizes the continuous evaporative crystallization processing under the conditions of the low-temperature atmosphere-pressure of plating spraying waste water.Caused crystal discharger after solid-liquid separation unit carries out separation of solid and liquid.The device has the advantages that achievable heat sources recycle, stable equipment operation is reliable, system operation expense is low, automaticity is high, operation maintenance is simple.
Description
Technical field
The technical field of low-temperature evaporation is the utility model is related to, more particularly to a kind of low temperature using plating spraying waste water steams
Transmitting apparatus, it is low that specifically a kind of wastewater zero discharge, pre-processing requirements using boiler afterheat are low, water quality adaptability is strong
Warm vaporising device.
Background technology
As country and each place are increasingly strict and for water body saliferous figureofmerit for the environmental protection standard of discharge into water
The cry of appearance also grows to even greater heights, and plating spraying wastewater zero discharge evaporation process technology starts progressively to rise.So-called waste water zero-emission
Put and refer to not discharge any type of water to environment waters, the water of all discharges all in the form of moisture or is solidificated in ash or slag
In.The wastewater zero discharge evaporation process technology being widely used at present mainly has two classes：Multiple-effect evaporation technology（Multiple
Effect Distillation, are abbreviated as MED）With vapor recompression evaporation process technology（Mechanical Vapor
Recompression, it is abbreviated as MVR）.MED techniques are that heating steam is passed through into an evaporator, and solution ebuillition of heated is produced
Indirect steam as heating steam, introduce next stage evaporator, by that analogy, new secondary steaming caused by the evaporator of the second level
Vapour is but also as third evaporator as heating steam.It is referred to as an effect per one-level evaporator, multiple evaporators is connected
Carry out a biconditional operation, form multi-effect evaporation system.And MVR techniques are then by indirect steam caused by evaporator, compressed through compressor
Evaporator heating chamber is delivered to after raising pressure, temperature and steam enthalpy to use as heating steam, feed liquid is maintained fluidized state.
This two classes technology reusing so as to reach the purpose of energy-conservation by indirect steam.
Existing evaporation process technology makes waste water be in fluidized state due to being both needed to, it is therefore desirable under higher temperature conditionss
Operation, on the one hand need to consume the electric energy or thermal source of a large amount of high-quality, another aspect high slat-containing wastewater is often containing substantial amounts of rotten
Corrosion polluter, hot conditions increase equipment corrosion risk, meanwhile, violent evaporation process also causes scale problems more
Seriously.In order to ensure the continuous and steady operation of equipment, more expensive material must be just selected, while waste water is carried out stricter
Softening pretreatment so that zero-emission cost of investment and operating cost remain high.For existing wastewater zero discharge evaporation process
Problem present in technology application, the utility model devise a kind of plating using boiler afterheat and spray wastewater zero discharge low temperature
Vaporising device.
The content of the invention
The purpose of this utility model is to provide a kind of low-temperature evaporation device using plating spraying waste water, by collecting in evaporation
Low-temperature evaporation component is set in tank, boiler afterheat waste water is effectively combined with hot-air, realizes the zero-emission of plating spraying waste water
Evaporation process is put, reduces the pollution arranged outside plating spraying waste water for environment water.
To achieve these goals, the technical solution of the utility model is：A kind of low temperature using plating spraying waste water steams
Transmitting apparatus, it is characterised in that：The vaporising device includes evaporation water leg, and evaporation water leg top is provided with low-temperature evaporation component, low
The side of warm evaporative component is connected with hot air circulation unit, and opposite side is connected with waste water circulation system；Evaporate under water leg
Portion is provided with water intake,
The air-introduced machine that described hot air circulation unit includes air heater and is located at the top of evaporation water leg；
The outside of evaporation water leg is provided with a raw water box, and described raw water box is connected with water intake；
Described waste water circulation system is connected with a solid discharge device.
Preferably, described waste water circulation system includes concentrate elevator pump and concentrate circulating pump, concentrate elevator pump
It is connected between water side and the water inlet end of concentrate circulating pump by circulation line, the water inlet end of concentrate elevator pump passes through pipeline
It is connected with the bottom for evaporating water leg, the water side of concentrate circulating pump is connected by pipeline with low-temperature evaporation component；
Described fixed discharge device includes cyclone separator and is located at the crystal drain valve of cyclone separator bottom, described
Cyclone separator be provided with water inlet end and water side, the water inlet end of cyclone separator passes through concentrate by-pass flow seperating vale and circulation pipe
Road is connected, and the water side of cyclone separator is connected by pipeline with the bottom of low-temperature evaporation component.
Further, described raw water box is connected by raw water elevator pump, water inlet motor-driven valve with evaporating the bottom of water leg.
Further, the lower end of described air heater is provided with heat source import, and upper end is provided with corresponding thermal source outlet, empty
Air heating pipe road is provided with inside hot-air heater, the import in air heating pipe road is connected with heat source import, air heating pipe road
Outlet be connected with low-temperature evaporation component；Discharge tube, described discharge tube one end and low temperature are provided with air heater
Evaporative component is connected, and the other end is connected with the thermal source outlet of air heater.
Relative to prior art, the technical solution of the utility model is in addition to many except the improvement of overall technical architecture
Improvement in terms of details, specifically, have the advantages that：
1st, temperature rise is small, and the recycling of heat sources can be achieved
Equipment runs 5~15 DEG C of temperature rise, using plating spraying factory boiler afterheat resource, is realizing wastewater zero discharge processing
While, reduce operation energy consumption.
2nd, stable equipment operation is reliable
Due to using thermal source heating air, then directly spraying waste water with plating as heating medium using hot-air
Heat exchange, the corrosion-free fouling risk of system.
3rd, system operation expense is low
Equipment influent quality requires low, without carrying out the preprocessing process such as medicament softening, filtering.Existing wastewater zero discharge steams
Hair system needs to carry out thoroughly softening pretreatment, on the one hand needs to add substantial amounts of medicament, and it is difficult on the other hand to also need to generation
The regeneration liquid waste of processing, operating cost are high.The utility model plating spraying wastewater zero discharge evaporation process system operation is disappeared
The only electric energy of consumption, greatly reduce the operating cost of zero-discharge treatment system.
Brief description of the drawings
Fig. 1 is structural representation described in the utility model.
Reference：
1 raw water box, 2 raw water elevator pumps, 3 water inlet motor-driven valves, 4 low-temperature evaporation components, 5 evaporation water legs, the heating of 6 air
Device, 7 air-introduced machines, 8 concentrate elevator pumps, 9 concentrate circulating valves, 10 concentrate by-pass flow seperating vales, 11 cyclone separators, 12 crystal
Drain valve.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be joined directly together, can also be indirectly connected by intermediary, can be the connection of two element internals.For
For one of ordinary skill in the art, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.
The utility model provides a kind of low-temperature evaporation device using plating spraying waste water, and with reference in figure 1, the evaporation fills
Put including evaporating water leg, evaporation water leg top is provided with low-temperature evaporation component, and the side of low-temperature evaporation component is connected with hot sky
Gas EGR, opposite side are connected with waste water circulation system；The bottom of evaporation water leg is provided with water intake, described heat
The air-introduced machine that air circulation device includes air heater and is located at the top of evaporation water leg；The outside for evaporating water leg is provided with one
Raw water box, described raw water box are connected with water intake；Described waste water circulation system is connected with a solid discharge device.
Here raw water box provides the plating spraying waste water of boiler afterheat, and hot air circulation unit then provides the sky after heat temperature raising
Gas, air and water carry out sufficient heat exchange in the low-temperature evaporation component in evaporation water leg, final to cause comprising moisture
Hot-air is disposed to air, and concentrate is then back in evaporation water leg, completes zero emission.
Specifically, described waste water circulation system includes concentrate elevator pump and concentrate circulating pump, concentrate lifting
Pump out and be connected between water end (W.E.) and the water inlet end of concentrate circulating pump by circulation line, the water inlet end of concentrate elevator pump passes through pipe
Road is connected with evaporating the bottom of water leg, and the water side of concentrate circulating pump is connected by pipeline with low-temperature evaporation component；
Described fixed discharge device includes cyclone separator and is located at the crystal drain valve of cyclone separator bottom, described
Cyclone separator be provided with water inlet end and water side, the water inlet end of cyclone separator passes through concentrate by-pass flow seperating vale and circulation pipe
Road is connected, and the water side of cyclone separator is connected by pipeline with the bottom of low-temperature evaporation component.
In one embodiment, evaporation thermal source, economical and efficient are used as by the use of boiler afterheat.System can be in high suspended matter condition
Lower continuous and steady operation, separate out caused by evaporating concentration process crystal and be preferentially attached to suspended particle surface, reduce and be
System fouling risk.Described raw water box is connected by raw water elevator pump, water inlet motor-driven valve with evaporating the bottom of water leg.It is optional
, the lower end of described air heater is provided with heat source import, and upper end is provided with corresponding thermal source outlet, set inside air heater
There is air heating pipe, the import in air heating pipe road is connected with heat source import, and outlet and the low temperature in air heating pipe road steam
Hair component is connected；Discharge tube is provided with air heater, described discharge tube one end is connected with low-temperature evaporation component,
The other end is connected with the thermal source outlet of air heater.In implementation, boiler afterheat is entered by evaporating the trench bottom that catchments, with entrance
After the air of device completes heat energy transmission, discharged by top.Now, the hot-air of air heater heating is in low-temperature evaporation component
It is interior to be supplemented with plating spraying waste water, the latent heat of vaporization of evaporation process consumption by hot-air.Meanwhile concentrate lifting pump discharge
Concentrate circulating valve and concentrate by-pass flow seperating vale are set, it is dense into cyclone separator by the regulation of valve opening, control
Contracting flow quantity, realize regulation and control to the solid content of high slat-containing wastewater in device.
Illustrate further, be provided with Level meter in evaporation water leg, described Level meter set location is higher than
The position of the water inlet end of concentrate elevator pump.
In a specific embodiment, waste water is collected to evaporation water leg by raw water box after the lifting of raw water elevator pump,
Raw water elevator pump is out of service when liquid level reaches setting liquid level in evaporation water leg, while starts concentrate elevator pump, makes waste water
Low-temperature evaporation component is sprayed at a high speed.Be delayed 5 seconds startup air-introduced machines after concentrate lifting pump startup, and introduces thermal source, air heating
Device makes the air themperature into device raise 5~15 DEG C.The waste water that hot-air sprays into low-temperature evaporation component with high speed mixes,
Because the special flow passage of low-temperature evaporation component designs, substantial amounts of parital vacuum environment is produced in component, accelerates hydrone by waste water
The process that liquid phase spreads to hot-air, the hot-air into device is reached saturation within the time less than 0.5 second, then drain into
Air, realizes the evaporation process of waste water, and concentrate is back to evaporation water leg.Water evaporation process are along with gas phase and liquid phase
Heat transfer process, so that the generation that evaporation process is continual and steady.With the evaporation of moisture, it is continuous to evaporate liquid level in water leg
Decline, when liquid level is less than setting value, raw water lifts pump startup and opens water inlet motor-driven valve adds raw water into evaporation water leg
Until liquid level reaches setting value.When concentration rate reaches certain limit, regulation concentrate circulating valve, concentrate by-pass flow seperating vale
Aperture makes the solid content of processing feed liquid in device control in setting range, caused knot to control circulation and by-pass flow multiplying power
Crystal in cyclone separator bottom deposit and periodically opens crystal drain valve device for transferring, reuse or outward transport after dewater treatment.
Cyclone separator supernatant is back to evaporation water leg further to concentrate, it is ensured that is discharged in liquid form without any pollutant.
Specific embodiment of the utility model is described in detail above, but it is intended only as example, and this practicality is new
Type is not restricted to particular embodiments described above.To those skilled in the art, it is any that the utility model is carried out
Equivalent modifications and substitute also all among category of the present utility model.Therefore, spirit of the present utility model and model are not being departed from
Lower made impartial conversion and modification are enclosed, should all be covered in the scope of the utility model.
Claims (5)
- A kind of 1. low-temperature evaporation device using plating spraying waste water, it is characterised in that：The vaporising device includes evaporation water leg, Evaporation water leg top is provided with low-temperature evaporation component, and the side of low-temperature evaporation component is connected with hot air circulation unit, opposite side It is connected with waste water circulation system；The bottom of evaporation water leg is provided with water intake,The air-introduced machine that described hot air circulation unit includes air heater and is located at the top of evaporation water leg；The outside of evaporation water leg is provided with a raw water box, and described raw water box is connected with water intake；Described waste water circulation system is connected with a solid discharge device.
- A kind of 2. low-temperature evaporation device using plating spraying waste water according to claim 1, it is characterised in that：Described Waste water circulation system includes concentrate elevator pump and concentrate circulating pump, concentrate elevator pump water side and concentrate circulating pump It is connected between water inlet end by circulation line, the water inlet end of concentrate elevator pump passes through pipeline and the bottom phase for evaporating water leg Even, the water side of concentrate circulating pump is connected by pipeline with low-temperature evaporation component；Described solid discharge device includes cyclone separator and is located at the crystal drain valve of cyclone separator bottom, described rotation Stream separator is provided with water inlet end and water side, and the water inlet end of cyclone separator passes through concentrate by-pass flow seperating vale and circulation line phase Even, the water side of cyclone separator is connected by pipeline with the bottom of low-temperature evaporation component.
- A kind of 3. low-temperature evaporation device using plating spraying waste water according to claim 1, it is characterised in that：Described Raw water box is connected by raw water elevator pump, water inlet motor-driven valve with evaporating the bottom of water leg.
- A kind of 4. low-temperature evaporation device using plating spraying waste water according to claim 1, it is characterised in that：Described The lower end of air heater is provided with heat source import, and upper end is provided with corresponding thermal source outlet, added inside air heater provided with air Hot channel, the import in air heating pipe road are connected with heat source import, outlet and the low-temperature evaporation component phase in air heating pipe road Connection；Discharge tube is provided with air heater, described discharge tube one end is connected with low-temperature evaporation component, the other end and The thermal source outlet of air heater is connected.
- A kind of 5. low-temperature evaporation device using plating spraying waste water according to claim 1, it is characterised in that：Evaporation collection Level meter, position of the described Level meter set location higher than the water inlet end of concentrate elevator pump are provided with tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720549052.3U CN206940475U (en) | 2017-05-17 | 2017-05-17 | A kind of low-temperature evaporation device using plating spraying waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720549052.3U CN206940475U (en) | 2017-05-17 | 2017-05-17 | A kind of low-temperature evaporation device using plating spraying waste water |
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| Publication Number | Publication Date |
|---|---|
| CN206940475U true CN206940475U (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720549052.3U Expired - Fee Related CN206940475U (en) | 2017-05-17 | 2017-05-17 | A kind of low-temperature evaporation device using plating spraying waste water |
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| CN (1) | CN206940475U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115650340A (en) * | 2022-10-17 | 2023-01-31 | 合肥合意环保科技工程有限公司 | High-salt high-COD wastewater concentration energy-saving device and treatment method |
-
2017
- 2017-05-17 CN CN201720549052.3U patent/CN206940475U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115650340A (en) * | 2022-10-17 | 2023-01-31 | 合肥合意环保科技工程有限公司 | High-salt high-COD wastewater concentration energy-saving device and treatment method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180712 Address after: 211155 Danyang Industrial Park, Heng Xi Street, Jiangning District, Nanjing, Jiangsu Patentee after: Nanjing BB Environmental Protection Technology Co., Ltd. Address before: 201203 Pudong New Area, Shanghai, China (Shanghai) free trade trial area, No. 3, 1 1, Fang Chun road. Patentee before: Shanghai Environmental Protection Technology Co., Ltd. Bangsheng |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 Termination date: 20200517 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |