CN206940474U - Utilize the low-temperature evaporation device of air energy heat pump processing discharge of wastewater - Google Patents
Utilize the low-temperature evaporation device of air energy heat pump processing discharge of wastewater Download PDFInfo
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- CN206940474U CN206940474U CN201720548371.2U CN201720548371U CN206940474U CN 206940474 U CN206940474 U CN 206940474U CN 201720548371 U CN201720548371 U CN 201720548371U CN 206940474 U CN206940474 U CN 206940474U
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Abstract
Using the low-temperature evaporation device of air energy heat pump processing discharge of wastewater, including evaporation water leg, evaporation water leg top is provided with low-temperature evaporation component, and low-temperature evaporation component is connected with hot air circulation unit and waste water circulation system；The air-introduced machine that 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；Waste water circulation system is connected with a solid discharge device；The side of air heater is connected with air heat energy pump.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.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 for handling plating spraying waste water steams
Transmitting apparatus, specifically it is a kind of using air energy heat pump handle discharge of wastewater low-temperature evaporation 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 are devised a kind of low temperature that wastewater zero discharge is handled using air energy heat pump and steamed
Transmitting apparatus.
The content of the invention
The purpose of this utility model is to provide a kind of low-temperature evaporation device that discharge of wastewater is handled using air energy heat pump, leads to
Cross and low-temperature evaporation component is set in evaporation water leg, boiler afterheat waste water is effectively combined with hot-air, realize plating spraying
The zero-emission evaporation process of waste water, reduce the pollution arranged outside plating spraying waste water for environment water.
Above-mentioned purpose is realized, the technical solution of the utility model is：Utilize the low of air energy heat pump processing discharge of wastewater
Warm vaporising device, it is characterised in that：The vaporising device includes evaporation water leg, and evaporation water leg top is provided with low-temperature evaporation group
Part, the side of low-temperature evaporation component are connected with hot air circulation unit, and opposite side is connected with waste water circulation system；Evaporate water leg
Bottom be provided with water intake, described hot air circulation unit includes air heater and is located at the top of evaporation water leg
Air-introduced machine；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
The circulatory system is connected with a solid discharge device；The side of air heater is connected with air heat energy pump, described air heat energy
Pump is connected by pipeline with the heat source import of air heater lower end, and the side of air heat energy pump is provided with cold-air vent.
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.Set in low-temperature evaporation component
There is the grid being arranged in juxtaposition, auxiliary jube is provided with each grid, aid in the height of jube to be less than the height of grid.
Preferably, 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, air
Heater body is provided with air heating pipe road, and the import in air heating pipe road is connected with heat source import, air heating pipe road
Outlet is connected with low-temperature evaporation component；Discharge tube is provided with air heater, described discharge tube one end is steamed with low temperature
Hair component is connected, and the other end is connected with the thermal source outlet of air heater；Described air heat energy pump passes through pipeline and sky
The heat source import of hot-air heater lower end is connected.
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, energy-conserving and environment-protective
Equipment runs 5~15 DEG C of temperature rise, using air energy heat pump as thermal source, is realizing the same of wastewater zero discharge processing
When air energy heat pump provide cold water used as water air-conditioning for painting workshop cooling in summer, energy-conserving and environment-protective.
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.
4th, automaticity is high, operation maintenance is simple, without stop cleaning.
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, 13 air energy heat pumps.
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 that discharge of wastewater is handled using air energy heat pump, with reference to figure 1
In, the vaporising device includes evaporation water leg, and evaporation water leg top is provided with low-temperature evaporation component, the side of low-temperature evaporation component
Hot air circulation unit is connected with, opposite side 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；Evaporate the outer of water leg
Portion 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 solid row
Device is put, the side of air heater is connected with air heat energy pump.Here raw water box, which provides, electroplates spraying waste water, and hot-air
EGR then provides the air after heat temperature raising, and the air heated here is mainly completed by air heater, air and water
Sufficient heat exchange is carried out in low-temperature evaporation component in evaporation water leg, it is final that the hot-air comprising moisture is discharged
To air, 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 air heat energy pump.System can be in high suspended matter bar
Continuous and steady operation under part, separate out crystal caused by evaporating concentration process and be preferentially attached to suspended particle surface, reduce
Scaling risk.Described raw water box is connected by raw water elevator pump, water inlet motor-driven valve with evaporating the bottom of water leg.Can
Choosing, the lower end of described air heater is provided with heat source import, upper end be provided with corresponding to thermal source outlet, inside air heater
Provided with air heating pipe road, the import in air heating pipe road is connected with heat source import, the outlet in air heating pipe road and low temperature
Evaporative component is connected；Discharge tube is provided with air heater, described discharge tube one end is connected with low-temperature evaporation component
Logical, the other end is connected with the thermal source outlet of air heater, and described air heat energy pump passes through under pipeline and air heater
The heat source import at end is connected.In implementation, plating spraying waste water is entered by evaporating the trench bottom that catchments, and the air with entering device is completed
After heat energy transmits, discharged by top.Now, the hot-air of air heater heating is useless with plating spraying in low-temperature evaporation component
Water is contacted, and the latent heat of vaporization of evaporation process consumption is supplemented by hot-air.Meanwhile concentrate lifting pump discharge sets concentrate to circulate
Valve and concentrate by-pass flow seperating vale, by the regulation of valve opening, control enters the concentrated solution discharge of cyclone separator, realization pair
The regulation and control of 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 heat energy
Pump 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 (4)
1. utilize the low-temperature evaporation device of air energy heat pump processing discharge of wastewater, it is characterised in that：The vaporising device includes evaporation
Water leg, evaporation water leg top are provided with low-temperature evaporation component, and the side of low-temperature evaporation component is connected with hot air circulation unit,
Opposite side 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；
The side of air heater is connected with air heat energy pump, and described air heat energy pump passes through pipeline and air heater lower end
Heat source import be connected, the side of air heat energy pump is provided with cold-air vent；
The lower end of described air heater is provided with heat source import, and upper end is provided with corresponding thermal source outlet, inside air heater
Provided with air heating pipe road, the import in air heating pipe road is connected with heat source import, the outlet in air heating pipe road and low temperature
Evaporative component is connected；
The grid being arranged in juxtaposition is provided with low-temperature evaporation component, auxiliary jube is provided with each grid, aids in the height of jube
Less than the height of grid；
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.
2. the low-temperature evaporation device according to claim 1 that discharge of wastewater is handled using air energy heat pump, it is characterised in that：
Described waste water circulation system includes concentrate elevator pump and concentrate circulating pump, and concentrate elevator pump water side is followed with concentrate
It is connected between the water inlet end of ring pump by circulation line, the water inlet end of concentrate elevator pump passes through under pipeline and evaporation water leg
Portion is connected, and 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.
3. the low-temperature evaporation device according to claim 1 that discharge of wastewater is handled using air energy heat pump, 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.
4. the low-temperature evaporation device according to claim 1 that discharge of wastewater is handled using air energy heat pump, it is characterised in that：
Level meter is provided with evaporation water leg, described Level meter set location is higher than the water inlet end of concentrate elevator pump
Position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720548371.2U CN206940474U (en) | 2017-05-17 | 2017-05-17 | Utilize the low-temperature evaporation device of air energy heat pump processing discharge of wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720548371.2U CN206940474U (en) | 2017-05-17 | 2017-05-17 | Utilize the low-temperature evaporation device of air energy heat pump processing discharge of wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206940474U true CN206940474U (en) | 2018-01-30 |
Family
ID=61360863
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720548371.2U Expired - Fee Related CN206940474U (en) | 2017-05-17 | 2017-05-17 | Utilize the low-temperature evaporation device of air energy heat pump processing discharge of wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206940474U (en) |
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2017
- 2017-05-17 CN CN201720548371.2U patent/CN206940474U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| 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 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 Termination date: 20200517 |