CN215479841U - Waste water evaporation crystallization device - Google Patents
Waste water evaporation crystallization device Download PDFInfo
- Publication number
- CN215479841U CN215479841U CN202121408074.0U CN202121408074U CN215479841U CN 215479841 U CN215479841 U CN 215479841U CN 202121408074 U CN202121408074 U CN 202121408074U CN 215479841 U CN215479841 U CN 215479841U
- Authority
- CN
- China
- Prior art keywords
- grid
- wastewater
- atomization
- waste water
- evaporative crystallization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a waste water evaporative crystallization device, which comprises a water inlet pipeline, an atomization mechanism, an atomization speed regulator, an evaporator, a grid mechanism, a grid adjusting mechanism and a main control circuit, wherein the water inlet pipeline is connected with the atomization mechanism; the grid adjusting mechanism is connected with the grid mechanism and can adjust the distance between grids in the grid mechanism, so that the grid adjusting mechanism can adapt to different high-temperature gases or/and waste water. The waste water evaporative crystallization device provided by the utility model can be used for rapidly and effectively carrying out atomization and evaporation treatment on waste water, and meets the requirement on waste water treatment; the utility model can also adapt to different environmental conditions by adjusting the number of the ventilating grating units of the grating mechanism and adjusting the atomization speed of the atomization mechanism; the treatment efficiency of the wastewater evaporative crystallization device under different environmental conditions is met.
Description
Technical Field
The utility model belongs to the technical field of environmental protection, relates to a wastewater discharge system, and particularly relates to a wastewater evaporative crystallization device.
Background
With the release of the national water pollution prevention and control plan, higher requirements are put forward on water use and drainage of the thermal power plant, and the construction of a thermal power plant wastewater zero-discharge system gradually becomes a development trend of thermal power plant wastewater treatment. The strict zero discharge of waste water is mainly to take measures to prevent water which has any adverse effect on the environment from being discharged to the outside, and the water entering a power plant finally enters the atmosphere in the form of steam or is sealed and buried in a proper form such as sludge and the like. This means that a true zero discharge of waste water should be achieved in that all the liquid to be discharged is discharged in the form of water vapor or solids, without any discharge in liquid form.
After deep water saving is realized through water and drainage planning and gradient recycling, the final end waste water which is produced by the thermal power plant and cannot be consumed mainly comprises high-salt waste water discharged by an ion exchange regeneration system and desulfurization waste water which meets the discharge standard after treatment. As salt in all water used in the whole plant enters the part of wastewater in various forms, the main water quality is characterized by high salt content, belonging to saturated solution of calcium sulfate, large scaling tendency and strong corrosivity.
With the increase of the national requirements on wastewater discharge, the existing wastewater treatment mode can not meet the national requirements.
In view of the above, there is an urgent need to design a new wastewater discharge system to overcome at least some of the above-mentioned disadvantages of the existing wastewater discharge systems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wastewater evaporative crystallization device which can be used for rapidly and effectively atomizing and evaporating wastewater and meeting the requirements on wastewater treatment.
In order to solve the technical problem, according to one aspect of the present invention, the following technical solutions are adopted:
a waste water evaporative crystallization apparatus, comprising:
a water inlet pipeline for conveying wastewater;
the inlet of the atomization mechanism is connected with the outlet of the water inlet pipeline, and the atomization mechanism can atomize the wastewater;
the output end of the atomization speed regulator is connected with the input end of the atomization mechanism and can send a control signal to the atomization mechanism so as to adjust the atomization speed of the atomization mechanism;
the evaporator comprises an evaporation cavity; the outlet of the atomization mechanism is arranged in the evaporation cavity and can convey atomized wastewater into the evaporation cavity; the evaporator is provided with a high-temperature gas inlet and can receive high-temperature gas; the evaporator is provided with a gas outlet, and the gas outlet is arranged in the evaporation cavity;
the grid mechanism is arranged in the evaporation cavity; the grid mechanism is arranged close to the high-temperature gas inlet, and high-temperature gas entering from the high-temperature gas inlet is dispersed to the main area of the evaporation cavity; the heat exchange can be carried out between the atomized wastewater and the atomized wastewater entering the evaporation cavity, so that the atomized wastewater absorbs heat and is evaporated into steam, and the steam can be discharged from the gas outlet;
the grid adjusting mechanism is connected with the grid mechanism and can adjust the distance between grids in the grid mechanism so as to adapt to different high-temperature gases or/and waste water; and
and the master control circuit is respectively connected with the atomizing mechanism and the grid adjusting mechanism and can control the work of the atomizing mechanism and the grid adjusting mechanism.
As an embodiment of the present invention, the grill mechanism includes a plurality of grill units; in each grid unit, two ends of part of the grid units are provided with electromagnetic valves;
the grid adjusting mechanism comprises an electromagnetic valve control circuit used for controlling the on-off of each electromagnetic valve; the number of the grating units effectively utilized by the whole grating mechanism is realized by controlling the switches of the electromagnetic valves at the two ends of each grating unit, so that the grating mechanism is suitable for high-temperature flue gas with different flow rates, different temperatures and different air pressures.
As an embodiment of the present invention, a sensor group is disposed in the evaporation cavity, and the sensor group includes at least one of a temperature sensor, a humidity sensor, and an air pressure sensor; and the output end of the sensor group is connected with the input end of the main control circuit.
As an embodiment of the present invention, the evaporator is connected to a high-temperature gas delivery pipeline, and the high-temperature gas delivery pipeline is provided with a valve; the output end of the main control circuit is connected with the input end of the valve and can send a control signal for controlling the valve to work.
As an embodiment of the utility model, the high-temperature gas inlet is connected with a high-temperature flue gas pipeline.
The utility model has the beneficial effects that: the waste water evaporative crystallization device provided by the utility model can be used for rapidly and effectively carrying out atomization and evaporation treatment on waste water, and meets the requirement on waste water treatment. The utility model can adjust the atomization speed of the atomization mechanism and the number of the ventilation grating units of the grating mechanism according to the environmental conditions, and can adapt to different environmental conditions; the treatment efficiency of the wastewater evaporative crystallization device under different environmental conditions is met.
Drawings
FIG. 1 is a schematic diagram of an evaporative crystallization apparatus for waste water according to an embodiment of the present invention.
FIG. 2 is a schematic structural diagram of an evaporative crystallization apparatus for wastewater according to an embodiment of the present invention.
FIG. 3 is a schematic structural diagram of an evaporative crystallization apparatus for wastewater according to an embodiment of the present invention.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
For a further understanding of the utility model, reference will now be made to the preferred embodiments of the utility model by way of example, and it is to be understood that the description is intended to further illustrate features and advantages of the utility model, and not to limit the scope of the claims.
The description in this section is for several exemplary embodiments only, and the present invention is not limited only to the scope of the embodiments described. It is within the scope of the present disclosure and protection that the same or similar prior art means and some features of the embodiments may be interchanged.
The steps in the embodiments in the specification are only expressed for convenience of description, and the implementation manner of the present application is not limited by the order of implementation of the steps. The term "connected" in the specification includes both direct connection and indirect connection.
The utility model discloses a wastewater evaporative crystallization device, wherein FIG. 1 is a schematic diagram of the wastewater evaporative crystallization device in an embodiment of the utility model, and FIGS. 2 and 3 are schematic diagrams of the connection of the wastewater evaporative crystallization device in an embodiment of the utility model; referring to fig. 1 to 3, the waste water evaporative crystallization apparatus includes: a water inlet pipeline 5, an atomization mechanism 2, an atomization speed regulator 20, an evaporator 1, a grid mechanism 3, a grid adjusting mechanism 4 and a main control circuit 6. The water inlet pipeline 5 is used for conveying wastewater; the inlet of the atomization mechanism 2 is connected with the outlet of the water inlet pipeline 5, and wastewater can be atomized. The atomizing mechanism 2 may be disposed within the evaporator 1. The atomizing speed regulator 20 is connected the atomizing mechanism 2, and the output of atomizing speed regulator 20 is connected the input of atomizing mechanism 2 can to atomizing mechanism 2 sends control signal to adjust the atomizing speed of atomizing mechanism 2.
The evaporator 1 comprises an evaporation cavity 10; the outlet of the atomization mechanism 2 is arranged in the evaporation cavity 10, and atomized wastewater can be conveyed into the evaporation cavity 10; the evaporator 1 is provided with a high-temperature gas inlet 101 which can receive high-temperature gas; the evaporator 1 is provided with a gas outlet 102, and the gas outlet 102 is arranged in the evaporation cavity 10. In one embodiment, the high temperature gas may include high temperature flue gas and high temperature tail gas.
The grating mechanism 3 is arranged in the evaporation cavity 10; the grid mechanism 3 is connected with a high-temperature gas inlet 101 (the high-temperature gas inlet 101 can be connected with a high-temperature gas conveying pipeline 7), and can disperse high-temperature gas entering from the high-temperature gas inlet 101 to the evaporation cavity 10, so that heat exchange can be carried out between the high-temperature gas and atomized wastewater entering the evaporation cavity 10, the atomized wastewater absorbs heat and is evaporated into steam, and the steam can be discharged from the gas outlet 102.
The grating adjusting mechanism 4 is connected with the grating mechanism 3, and can adjust the distance between gratings in the grating mechanism 3, so that the grating adjusting mechanism can adapt to different high-temperature gases or/and waste water. The main control circuit 6 is respectively connected with the atomizing mechanism 2 and the grid adjusting mechanism 4 and can control the work of the atomizing mechanism 2 and the grid adjusting mechanism 4.
In one embodiment, the grid mechanism 3 comprises a plurality of grid units, and in each grid unit, the two ends of part of the grid units are provided with electromagnetic valves. The grid adjusting mechanism 4 comprises an electromagnetic valve control circuit for controlling the on-off of each electromagnetic valve. The number of the grating units effectively utilized by the whole grating mechanism 3 is realized by controlling the switches of the electromagnetic valves at the two ends of each grating unit, so that the grating mechanism can adapt to high-temperature flue gas with different flow rates, different temperatures and different air pressures. For example, the grid mechanism may comprise 100 grid elements, each grid element comprising a passage of square cross-section; solenoid valves may be provided at both ends of some (e.g., 64) of the grill units, and one solenoid valve may effect opening or closing of one end of one or more grill units. The solenoid valve control circuit can control the on-off of each solenoid valve according to the control signal of the main control circuit 6.
Referring to fig. 3, in an embodiment of the present invention, a sensor group 8 is disposed in the evaporation chamber 10 (or/and in the high temperature gas conveying pipeline 7 and at the output port of the dust remover 4), and the sensor group 8 includes at least one of a temperature sensor 801, a humidity sensor 802, and an air pressure sensor 803; the output end of the sensor group 8 is connected with the input end of the main control circuit 7. Several temperature sensors 801, humidity sensors 802, air pressure sensors 803 may be provided in the evaporation chamber 10 (or/and within the high temperature gas delivery line 7).
In an embodiment, the wastewater evaporative crystallization apparatus further includes valves 9 respectively disposed on the water inlet pipeline, the high temperature gas inlet, and the gas outlet (of course, the valves 9 may be disposed only at the high temperature gas delivery pipeline 7), and the output end of the main control circuit 6 is connected to the input ends of the valves 9, and can send control signals for controlling the operation of the valves 9.
The wastewater evaporative crystallization device is used as a part of a wastewater zero discharge system, and the wastewater zero discharge system also can comprise a dust remover, a fan and a chimney; the waste water evaporation crystallization device, the dust remover, the fan and the chimney are connected in sequence. The use process of the wastewater zero discharge system comprises the following steps: after the high-temperature hot gas enters the evaporator through the gas disperser and contacts with liquid drops (the average diameter of the liquid drops is about 50 microns) sprayed from the rotary sprayer, fine liquid drops in the smoke are quickly evaporated. By controlling the gas distribution, the slurry flow rate and the droplet size, it is ensured that the droplets are dry before contacting the walls of the evaporator. Part of the dry product, including fly ash, falls to the bottom of the evaporator and is sent to the transport system. The treated flue gas flows to a dust separator where the remaining suspended solids are removed. And the flue gas which is discharged from the dust remover and meets the emission standard is conveyed to a chimney through a draught fan and then is discharged.
In conclusion, the wastewater evaporative crystallization device provided by the utility model can be used for rapidly and effectively atomizing and evaporating wastewater, and meets the requirement on wastewater treatment. The utility model can adjust the atomization speed of the atomization mechanism and the number of the ventilation grating units of the grating mechanism according to the environmental conditions, and can adapt to different environmental conditions; the treatment efficiency of the wastewater evaporative crystallization device under different environmental conditions is met.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The description and applications of the utility model herein are illustrative and are not intended to limit the scope of the utility model to the embodiments described above. Effects or advantages referred to in the embodiments may not be reflected in the embodiments due to interference of various factors, and the description of the effects or advantages is not intended to limit the embodiments. Variations and modifications of the embodiments disclosed herein are possible, and alternative and equivalent various components of the embodiments will be apparent to those skilled in the art. It will be clear to those skilled in the art that the present invention may be embodied in other forms, structures, arrangements, proportions, and with other components, materials, and parts, without departing from the spirit or essential characteristics thereof. Other variations and modifications of the embodiments disclosed herein may be made without departing from the scope and spirit of the utility model.
Claims (5)
1. A waste water evaporative crystallization apparatus, characterized in that the waste water evaporative crystallization apparatus comprises:
a water inlet pipeline for conveying wastewater;
the inlet of the atomization mechanism is connected with the outlet of the water inlet pipeline, and the atomization mechanism can atomize the wastewater;
the output end of the atomization speed regulator is connected with the input end of the atomization mechanism and can send a control signal to the atomization mechanism so as to adjust the atomization speed of the atomization mechanism;
the evaporator comprises an evaporation cavity; the outlet of the atomization mechanism is arranged in the evaporation cavity and can convey atomized wastewater into the evaporation cavity; the evaporator is provided with a high-temperature gas inlet and can receive high-temperature gas; the evaporator is provided with a gas outlet, and the gas outlet is arranged in the evaporation cavity;
the grid mechanism is arranged in the evaporation cavity; the grid mechanism is arranged close to the high-temperature gas inlet, and high-temperature gas entering from the high-temperature gas inlet is dispersed to the main area of the evaporation cavity; the heat exchange can be carried out between the atomized wastewater and the atomized wastewater entering the evaporation cavity, so that the atomized wastewater absorbs heat and is evaporated into steam, and the steam can be discharged from the gas outlet;
the grid adjusting mechanism is connected with the grid mechanism and can adjust the distance between grids in the grid mechanism so as to adapt to different high-temperature gases or/and waste water; and
and the master control circuit is respectively connected with the atomizing mechanism and the grid adjusting mechanism and can control the work of the atomizing mechanism and the grid adjusting mechanism.
2. The wastewater evaporative crystallization apparatus as defined in claim 1, wherein:
the grating mechanism comprises a plurality of grating units; in each grid unit, two ends of part of the grid units are provided with electromagnetic valves;
the grid adjusting mechanism comprises an electromagnetic valve control circuit used for controlling the on-off of each electromagnetic valve; the number of the grating units effectively utilized by the whole grating mechanism is realized by controlling the switches of the electromagnetic valves at the two ends of each grating unit, so that the grating mechanism is suitable for high-temperature flue gas with different flow rates, different temperatures and different air pressures.
3. The wastewater evaporative crystallization apparatus as defined in claim 1, wherein:
a sensor group is arranged in the evaporation cavity and comprises at least one of a temperature sensor, a humidity sensor and an air pressure sensor; and the output end of the sensor group is connected with the input end of the main control circuit.
4. The wastewater evaporative crystallization apparatus as defined in claim 1, wherein:
the evaporator is connected with a high-temperature gas conveying pipeline, and the high-temperature gas conveying pipeline is provided with a valve; the output end of the main control circuit is connected with the input end of the valve and can send a control signal for controlling the valve to work.
5. The wastewater evaporative crystallization apparatus as defined in claim 1, wherein:
the high-temperature gas inlet is connected with a high-temperature flue gas pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121408074.0U CN215479841U (en) | 2021-06-24 | 2021-06-24 | Waste water evaporation crystallization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121408074.0U CN215479841U (en) | 2021-06-24 | 2021-06-24 | Waste water evaporation crystallization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215479841U true CN215479841U (en) | 2022-01-11 |
Family
ID=79721440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121408074.0U Active CN215479841U (en) | 2021-06-24 | 2021-06-24 | Waste water evaporation crystallization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215479841U (en) |
-
2021
- 2021-06-24 CN CN202121408074.0U patent/CN215479841U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10472257B2 (en) | Efficient and energy-saving wastewater evaporation crystallizer | |
| CN207511866U (en) | A kind of device of desulfurization wastewater zero-emission using rotating spraying mode | |
| CN204778908U (en) | Utilize flue gas spray drying to handle device of desulfurization waste water | |
| CN110240212A (en) | A kind of waste water evaporation concentration system and technique based on low temperature spray desulfurization | |
| CN104724779A (en) | Clean flue gas recycling type desulfurization waste water spraying system | |
| CN107032428A (en) | A kind of undersaturation flue gas condensing crystallizing desulfurization wastewater zero-discharge treatment system and method | |
| CN204569462U (en) | Neat stress recirculation type desulfurization wastewater spraying treatment unit | |
| CN206799197U (en) | A kind of undersaturation flue gas condensing crystallizing desulfurization wastewater zero-discharge treatment system | |
| CN210559480U (en) | Waste water evaporation and concentration device based on low-temperature spray desulfurization | |
| CN108144383A (en) | Flue gas pollutant processing system and processing method, chimney | |
| CN207933087U (en) | A kind of smoke waste heat utilization system and desulfurization wastewater vapo(u)rization system | |
| CN215479841U (en) | Waste water evaporation crystallization device | |
| CN208500409U (en) | Directly ventilated type flue gas evaporates desulfurization wastewater treatment system | |
| CN108126507B (en) | Water treatment process system and method for wet desulphurization | |
| CN113401955A (en) | Wastewater zero discharge system and control method thereof | |
| CN112239242B (en) | Desulfurization wastewater zero-discharge system for gradient utilization of flue gas waste heat and working method thereof | |
| CN215479842U (en) | Wastewater zero discharge system | |
| CN111285423A (en) | System and method for treating desulfurization concentrated tail solution | |
| CN214172690U (en) | System for drying desulfurization wastewater by using thermal secondary air of thermal power plant | |
| CN212581702U (en) | Combined flue evaporation system for zero discharge of wastewater of coal-fired power plant | |
| CN211998903U (en) | Desulfurization waste water zero release processing system based on double-tower structure | |
| JPH0455645A (en) | Method for preventing clogging of water humidifying nozzle for air conditioning | |
| CN202265425U (en) | Aeration controller | |
| CN220012209U (en) | Desulfurization wastewater treatment system of ultra-supercritical parameter variable-pressure operation once-through boiler | |
| CN111320222A (en) | Desulfurization wastewater zero-discharge treatment system and method based on double-tower structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |