CN212832917U - Flue gas desulfurization waste water evaporation equipment - Google Patents
Flue gas desulfurization waste water evaporation equipment Download PDFInfo
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- CN212832917U CN212832917U CN202021131708.8U CN202021131708U CN212832917U CN 212832917 U CN212832917 U CN 212832917U CN 202021131708 U CN202021131708 U CN 202021131708U CN 212832917 U CN212832917 U CN 212832917U
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Abstract
The utility model discloses a flue gas desulfurization waste water evaporation equipment, a serial communication port, equipment includes the separator, is equipped with circulation heating unit between separator bottom and middle part, and the bottom of separator is equipped with crystallization material discharge port, and crystallization material discharge port passes through the pipeline and is connected with the discharge pump, and separator upper portion is equipped with steam discharge port, and steam discharge port passes through steam discharge pipe and is connected with the scrubber, and the scrubber passes through pipeline and vacuum pump connection, and the separator still is connected with defoaming agent jar and feed valve respectively through the pipeline, circulation heating unit includes circulating pump, heater and circulation heating pipe, and the circulating pump feed inlet passes through circulation heating pipe and is connected with the bottom of separator, and the circulating pump discharge gate passes through circulation heating pipe and is connected with the feed inlet of heater, and the discharge gate of heater passes through circulation heating pipe and is connected with the. The flue gas desulfurization waste water evaporation equipment has the characteristics of simple structure, good salt-containing waste water treatment effect, high treatment efficiency, lower treatment cost and the like.
Description
Technical Field
The utility model relates to an industrial wastewater treatment equipment technical field, concretely relates to flue gas desulfurization waste water evaporation equipment.
Background
The flue gas desulfurization wastewater generated by coal-fired power plants and solid waste incineration has the characteristics of high salt content, high hardness and high CL < - >, and has stronger corrosivity and scaling property. At present, the zero emission technology of flue gas desulfurization waste water generated by domestic and foreign coal-fired power plants and solid waste incineration mainly adopts a thermal evaporation treatment process. The evaporation concentration process is to utilize an evaporator to recycle the desulfurization wastewater and condensate, and the concentrated solution can be converted into solid salt for disposal through crystallization and drying processes. There are many technical problems to be solved in treating such waste water, such as what kind of waste water treatment equipment can be used to improve the efficiency of treating such waste water, what kind of waste water treatment equipment can be used to further reduce the cost of waste water treatment, etc.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defect that exists among the prior art, provide a simple structure, it is effectual to contain salt waste water treatment, the treatment effeciency is high, a flue gas desulfurization waste water evaporation equipment that the treatment cost is lower.
In order to realize the above object, the technical scheme of the utility model provides a flue gas desulfurization waste water evaporation equipment, a serial communication port is provided, equipment includes the separator, is equipped with circulation heating unit between separator bottom and middle part, and the bottom of separator is equipped with crystallization material discharge port, and crystallization material discharge port passes through the pipeline and is connected with the discharge pump, and separator upper portion is equipped with steam discharge port, and steam discharge port passes through steam discharge pipe and is connected with the scrubber, and the scrubber passes through pipeline and vacuum pump connection, and the separator still is connected with defoaming agent jar and feed valve respectively through the pipeline.
In order to facilitate rapid heating of materials in the separator and improve heating efficiency of the materials, the preferred technical scheme is that the circulating heating unit comprises a circulating pump, a heater and a circulating heating pipe, a feeding port of the circulating pump is connected with the bottom of the separator through the circulating heating pipe, a discharging port of the circulating pump is connected with the feeding port of the heater through the circulating heating pipe, and the discharging port of the heater is connected with the middle part of the crystallizer through the circulating heating pipe.
In order to facilitate the control of the starting time and the ending time of heating the materials in the separator and the control of the heating time, the further preferable technical scheme is that a hot steam inlet pipe is arranged on the heater, and an inlet valve is arranged on the hot steam inlet pipe.
In order to facilitate the control of the air pressure in the separator in the steam heating state at any time, a pressure gauge is connected to the circulating heating pipe.
In order to facilitate the rapid heating of the materials in the separator and improve the heating efficiency of the materials, the further preferred technical scheme is that the heater is of a transversely-arranged T-shaped structure, and a discharge port of the heater is connected with a middle extending section of the T-shaped structure of the crystallizer through a circulating heating pipe.
In order to circularly heat the heated material in the separator in a negative pressure state and quickly evaporate moisture in the separator at a low temperature, a further preferred technical scheme is that the vacuum pump is connected with the top of the gas washer through a pipeline.
In order to facilitate the material that will reach fine crystalline state to pass through the discharge pump, discharge through the blow-off valve by row material pipe, will not reach fine crystalline state's material and continue to heat the concentration in sending back to the separator through the feedback pipe, further preferred technical scheme still, the feed inlet of discharge pump passes through the pipeline and is connected with the bottom of separator, and the discharge gate of discharge pump passes through row material pipeline and is connected with the blow-off valve, still is connected with the feedback pipe between the lower part of row material pipeline and separator, is connected with the feedback valve on the feedback pipe.
In order to add the defoaming agent into the separator immediately and eliminate foam generated in material reheating circulation in the separator, the bottom of the defoaming agent tank is connected with the middle lower part of the separator through a defoaming agent conveying pipe, and a control valve is arranged on the defoaming agent conveying pipe.
In order to facilitate the condensation of the water vapor evaporated in the separator into water for discharge in time, a further preferred technical scheme is that a condenser is arranged in the gas scrubber or the outside of the gas scrubber is connected with the condenser.
In order to facilitate the control of the automatic operation of the salt-containing wastewater evaporation equipment, the further preferred technical scheme is that valves in the flue gas desulfurization wastewater evaporation equipment are all electromagnetic valves, and the electromagnetic valves, the vacuum pump, the circulating pump and the discharge pump are all connected with the PLC.
The utility model has the advantages of, this flue gas desulfurization waste water evaporation equipment has simple structure, and is effectual to containing salt waste water treatment, and the treatment effeciency is high, characteristics such as the treatment cost is lower. The separator with the T-shaped structure can increase the heat exchange efficiency inside the separator and reduce the integral gravity center of the separator.
Drawings
FIG. 1 is a schematic structural view of the flue gas desulfurization waste water evaporation equipment of the present invention.
In the figure: 1. a separator; 2. a discharge pump; 3. a steam discharge pipe; 4. a gas scrubber; 5. a defoamer tank; 6. a feed valve; 7. a circulation pump; 8. a heater; 9. a circulating heating pipe; 10. an intake valve; 11. a pressure gauge; 12. a discharge line; 13. a discharge valve; 14. a feedback tube; 15. a feedback valve.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, the utility model relates to a flue gas desulfurization waste water evaporation equipment, equipment includes separator 1, is equipped with the circulation heating unit between separator 1 bottom and middle part, and separator 1's bottom is equipped with crystallization material discharge port, and crystallization material discharge port passes through the pipeline and is connected with discharge pump 2, and separator 1 upper portion is equipped with steam discharge port, and steam discharge port passes through steam discharge pipe 3 and is connected with scrubber 4, and scrubber 4 passes through pipeline and vacuum pump connection, and separator 1 still is connected with defoaming agent jar 5 and feed valve 6 respectively through the pipeline.
In order to facilitate the material to the separator 1 in carry out rapid heating, improve the heating efficiency to the material, the utility model discloses preferred embodiment is, circulation heating unit includes circulating pump 7, heater 8 and circulation heating pipe 9, and circulating pump 7 feed inlet is connected with the bottom of separator 1 through circulation heating pipe 9, and circulating pump 7 discharge gate is connected with heater 8's feed inlet through circulation heating pipe 9, and heater 8's discharge gate is connected with the middle part of crystallizer 1 through circulation heating pipe 9.
In order to facilitate the control to carry out the originated, the termination time of heating and to the control of heat time to material in the separator 1, the utility model discloses further preferred embodiment is, be equipped with the hot steam intake pipe on the heater 8, be equipped with air inlet valve 10 in the hot steam intake pipe.
In order to facilitate the control of the air pressure in the separator 1 at any time under the steam heating state, the utility model discloses a further preferred embodiment still has be connected with the manometer 11 on the circulating heating pipe 9.
In order to facilitate carrying out the rapid heating to the material in the separator 1, improve the heating efficiency to the material, the utility model discloses further preferred embodiment still has, heater 8 is the T type structure of horizontal setting, and heater 8's discharge gate stretches out the section through the middle part of the T type structure of circulating heating pipe 91 with the crystallizer and is connected.
In order to heat the material heated in the separator 1 in a circulating manner under negative pressure and to evaporate the water in the separator rapidly at a lower temperature, a further preferred embodiment of the present invention further includes that the vacuum pump is connected to the top of the scrubber 4 through a pipeline (not shown in the figure).
In order to facilitate the material that will reach fine crystalline state to pass through the discharge pump, discharge through the blow-off valve by row's material pipe, will not reach fine crystalline state's material and continue to heat the concentration in sending back to the separator through the repayment pipe, the utility model discloses further preferred embodiment still has, the feed inlet of discharge pump 2 passes through the pipeline and is connected with separator 1's bottom, and discharge pump 2's discharge gate is connected with blow-off valve 13 through arranging material pipeline 12, still is connected with feedback pipe 14 between the lower part of discharge pipeline 12 and separator 1, is connected with feedback valve 15 on feedback pipe 14.
In order to facilitate the addition of the defoaming agent into the separator 1 immediately and to eliminate the foam generated in the heating cycle of the material in the separator, a further preferred embodiment of the present invention is that the bottom of the defoaming agent tank 5 is connected with the middle lower part of the separator 1 through a defoaming agent delivery pipe, and a control valve is arranged on the defoaming agent delivery pipe.
In order to facilitate the condensation of the water vapor evaporated in the separator 1 into water for discharge, a further preferred embodiment of the present invention further comprises a condenser disposed in the scrubber 4, or a condenser (not shown) connected to the outside of the scrubber.
In order to facilitate the control contain the automatic operation of salt waste water evaporation equipment, the utility model discloses further preferred embodiment still has, the valve in the flue gas desulfurization waste water evaporation equipment is the solenoid valve, vacuum pump, circulating pump, discharge pump all are connected with the PLC controller (not seen in the picture).
The utility model discloses flue gas desulfurization waste water evaporation equipment's theory of operation is:
1. material flow: the material passes through feed valve 6 and enters into the appointed liquid level of separator 1, constantly gets into heater 8 through 7 thrust of circulating pump and falls back to the pans and forms the circulation in separator 1. The steam inlet valve 10 is opened to enter the heater 8 to uniformly heat the materials in the pipe, the materials are pumped in from bottom to top through the circulating pump 7, flow upwards along the pipe of the heater 8 to enter the separator 1, are boiled and vaporized at low temperature in a negative pressure environment to form secondary steam, and the secondary steam is upwards pumped out by the vacuum pump, is blocked to fall off, is sucked in through the circulating pump 7 and enters the heater 8 to be continuously evaporated in a circulating way. In the evaporation process, the liquid level in the separator 1 is reduced when the feed liquid is evaporated, and at the moment, the opening degree of the feed valve 6 needs to be opened and adjusted so as to keep the liquid level in the separator 1 balanced. The feed liquid continuously enters the system for evaporation, after the feed liquid is supersaturated after evaporation, crystals are separated out and fall to the bottom of the separator 1, and the crystals are pumped out by a discharge pump 2 to be subjected to solid-liquid separation in the next procedure.
2. A steam flow: the raw steam enters the heater 8 for heat exchange to form condensed water which is discharged out of the heater through the drain valve for recycling.
3. Secondary steam flow: the secondary steam generated by evaporation is pumped into the steam washer 4 by the vacuum pump to obtain clean secondary steam, and the clean secondary steam is condensed by condensation heat exchange to form condensed water which is discharged and recycled by the drain valve.
4. Self-control: the automatic control cabinet containing PLC program, operation picture, instrument, valve and other sensors is matched, the real-time running state of the equipment and the feedback of parameters such as flow, liquid level, pressure, temperature, frequency, current and the like can be displayed, and the automatic running of automatic start-stop, automatic regulation, automatic medicine addition and the like can be realized through the setting of the parameters.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a flue gas desulfurization waste water evaporation equipment, a serial communication port, equipment includes the separator, is equipped with the circulation heating unit between separator bottom and middle part, and the bottom of separator is equipped with crystallization material discharge port, and crystallization material discharge port passes through the pipeline to be connected with the discharge pump, and separator upper portion is equipped with steam discharge port, and steam discharge port passes through the steam discharge pipe to be connected with the scrubber, and the scrubber passes through pipeline and vacuum pump connection, and the separator still is connected with defoaming agent jar and feed valve respectively through the pipeline.
2. The flue gas desulfurization wastewater evaporation apparatus of claim 1, wherein the circulation heating unit comprises a circulation pump, a heater and a circulation heating pipe, a feed port of the circulation pump is connected with the bottom of the separator through the circulation heating pipe, a discharge port of the circulation pump is connected with a feed port of the heater through the circulation heating pipe, and a discharge port of the heater is connected with the middle part of the crystallizer through the circulation heating pipe.
3. The flue gas desulfurization wastewater evaporation apparatus of claim 2, wherein said heater is provided with a hot steam inlet pipe, and said hot steam inlet pipe is provided with an inlet valve.
4. The flue gas desulfurization waste water evaporation apparatus of claim 2, wherein a pressure gauge is connected to said circulation heating pipe.
5. The flue gas desulfurization wastewater evaporation apparatus of claim 2 or 4, wherein the heater is of a transversely arranged T-shaped structure, and a discharge port of the heater is connected with a middle extending section of the T-shaped structure of the crystallizer through a circulating heating pipe.
6. The flue gas desulfurization wastewater evaporation apparatus of claim 1, wherein said vacuum pump is connected to the top of the scrubber via a pipe.
7. The flue gas desulfurization wastewater evaporation apparatus of claim 1, wherein the inlet of the discharge pump is connected to the bottom of the separator through a pipeline, the outlet of the discharge pump is connected to the discharge valve through a discharge pipeline, and a feedback pipe is connected between the discharge pipeline and the lower portion of the separator, and the feedback pipe is connected to a feedback valve.
8. The flue gas desulfurization wastewater evaporation apparatus of claim 1, wherein the bottom of the defoamer tank is connected with the middle-lower part of the separator through a defoamer delivery pipe, and a control valve is arranged on the defoamer delivery pipe.
9. The flue gas desulfurization wastewater evaporation apparatus of claim 1, wherein a condenser is provided in said scrubber, or a condenser is connected to the outside of the scrubber.
10. The flue gas desulfurization waste water evaporation equipment of claim 1, wherein valves in the flue gas desulfurization waste water evaporation equipment are all solenoid valves, and the solenoid valves, the vacuum pump, the circulating pump and the discharge pump are all connected with a PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021131708.8U CN212832917U (en) | 2020-06-17 | 2020-06-17 | Flue gas desulfurization waste water evaporation equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021131708.8U CN212832917U (en) | 2020-06-17 | 2020-06-17 | Flue gas desulfurization waste water evaporation equipment |
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| CN212832917U true CN212832917U (en) | 2021-03-30 |
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| CN202021131708.8U Active CN212832917U (en) | 2020-06-17 | 2020-06-17 | Flue gas desulfurization waste water evaporation equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115028182A (en) * | 2022-06-23 | 2022-09-09 | 多氟多（昆明）科技开发有限公司 | Production facility based on electrolytic aluminum fluorine-containing waste residue manufacturing and processing cryolite |
| CN119370933A (en) * | 2024-12-27 | 2025-01-28 | 北京九章环境工程股份有限公司 | Waste liquid evaporation treatment equipment and evaporation process for waste alkali liquid treatment |
-
2020
- 2020-06-17 CN CN202021131708.8U patent/CN212832917U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115028182A (en) * | 2022-06-23 | 2022-09-09 | 多氟多（昆明）科技开发有限公司 | Production facility based on electrolytic aluminum fluorine-containing waste residue manufacturing and processing cryolite |
| CN115028182B (en) * | 2022-06-23 | 2022-11-25 | 多氟多（昆明）科技开发有限公司 | Production facility based on electrolytic aluminum fluorine-containing waste residue manufacturing and processing cryolite |
| CN119370933A (en) * | 2024-12-27 | 2025-01-28 | 北京九章环境工程股份有限公司 | Waste liquid evaporation treatment equipment and evaporation process for waste alkali liquid treatment |
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