CN215886426U - Ternary precursor mother liquor wastewater deamination rectification heat pump system - Google Patents
Ternary precursor mother liquor wastewater deamination rectification heat pump system Download PDFInfo
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- CN215886426U CN215886426U CN202121526004.5U CN202121526004U CN215886426U CN 215886426 U CN215886426 U CN 215886426U CN 202121526004 U CN202121526004 U CN 202121526004U CN 215886426 U CN215886426 U CN 215886426U
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Abstract
The utility model relates to a ternary precursor mother liquor wastewater deamination rectification heat pump system which comprises a deamination wastewater tank, a preheating storage tank, a rectification tower, a steam supplement tank, an injection type heat pump, a flash tank, a first pump, a second pump and a third pump; a heating interlayer capable of conducting heat is arranged on the outer layer of the preheating storage tank; the steam outlet at the top of the flash tank is connected with a medium-pressure steam inlet pipeline of the jet heat pump, the top high-pressure steam inlet of the jet heat pump is connected with a bottom steam outlet pipeline of the steam supplementing tank, and the bottom steam outlet of the jet heat pump is connected with the rectifying tower pipeline. According to the utility model, the steam heating or electric heating means in the preheating process before the ternary precursor mother liquor wastewater enters the rectifying tower is removed or reduced, and the condensed water discharged from the bottoms of the flash tank and the rectifying tower is introduced for heating, so that the energy waste is reduced, the energy utilization rate is improved, and the cost is reduced.
Description
Technical Field
The utility model relates to the technical field of wastewater deamination, in particular to a ternary precursor mother liquor wastewater deamination rectification heat pump system.
Background
High-concentration and ultrahigh-concentration ammonia nitrogen wastewater is commonly discharged by industrial enterprises such as coking, pesticides, chemical fertilizers, chemical engineering, coal chemical engineering and the like in China, and a large amount of high-ammonia nitrogen production wastewater is discharged due to the problems of the enterprises in the aspects of production process, production management and the like. The discharge of a large amount of ammonia nitrogen into the water body can cause eutrophication of the water body, thereby causing serious pollution to rivers and lakes, not only directly influencing the living environment of people, but also causing great loss of national economy.
Two processes are conventionally adopted in the ternary precursor mother liquor wastewater deamination tower process, one is a tower kettle reboiler type, and the other is an air stripping type. The ternary precursor mother liquor wastewater generally needs to be preheated before entering the rectifying tower, the conventional means is a means of directly heating by steam or electricity, the heating is carried out with high energy consumption, and the energy utilization rate is low; condensate water discharged from the bottoms of the flash tank and the rectifying tower needs to be naturally cooled before being discharged, and then the next step of treatment is carried out, so that energy waste is caused in the cooling process, and the energy utilization rate is low.
Therefore, a ternary precursor mother liquor wastewater deamination rectification heat pump system is designed to solve the problems.
Disclosure of Invention
The utility model provides a ternary precursor mother liquor wastewater deamination rectification heat pump system for overcoming the defects, which comprises a deamination wastewater tank, a preheating storage tank, a rectification tower, a steam supplement tank, an injection type heat pump, a flash tank, a first pump, a second pump and a third pump;
a heating interlayer capable of conducting heat is arranged on the outer layer of the preheating storage tank;
a steam outlet at the top of the flash tank is connected with a medium-pressure steam inlet pipeline of the jet heat pump, a top high-pressure steam inlet of the jet heat pump is connected with a bottom steam outlet pipeline of the steam supplementing tank, and a bottom steam outlet of the jet heat pump is connected with a rectifying tower pipeline;
the deamination waste water tank is connected with a preheating storage tank pipeline, the preheating storage tank pipeline is connected with a first pump, the first pump pipeline is connected with the middle inlet of the rectifying tower,
the bottom pipeline of the rectifying tower is connected with a second pump, and the second pump pipeline is connected with the middle inlet of the flash tank;
a condensate outlet at the bottom of the rectifying tower and a condensate outlet at the bottom of the flash tank are connected with a third pump through pipelines, and the third pump is connected with the heating layer outside the preheating storage tank through a pipeline;
preferably, the heating diaphragm of preheating storage jar connects the pure water system outward, and the pure water system is carried out further recovery in the income behind the comdenstion water energy supply.
The utility model has the beneficial effects that:
according to the ternary precursor mother liquor wastewater deamination rectification heat pump system, the means of steam heating or electric heating in the preheating process before the ternary precursor mother liquor wastewater enters the rectification tower is eliminated or reduced, and the condensed water discharged from the bottoms of the flash tank and the rectification tower is introduced for heating, so that the energy waste is reduced, the energy utilization rate is improved, and the cost is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
wherein:
1-preheating a storage tank; 2-a first pump; 3-a rectifying tower; 4-a second pump; 5-a flash tank; 6-steam make-up tank; 7-ejector heat pump; 8-a third pump; 9-deaminizing wastewater tank.
Detailed Description
The following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
A ternary precursor mother liquor wastewater deamination rectification heat pump system comprises a deamination wastewater tank 9, a preheating storage tank 1, a rectification tower 3, a steam supplement tank 6, an injection type heat pump 7, a flash tank 5, a first pump 2, a second pump 4 and a third pump 8;
a heating interlayer capable of conducting heat is arranged on the outer layer of the preheating storage tank 1;
a steam outlet at the top of the flash tank 5 is connected with a medium-pressure steam inlet pipeline of the injection heat pump 7, a top high-pressure steam inlet of the injection heat pump 7 is connected with a bottom steam outlet pipeline of the steam supplementing tank 6, and a bottom steam outlet of the injection heat pump 7 is connected with the rectifying tower 3 through a pipeline;
the deamination waste water tank 9 is connected with the preheating storage tank 1 through a pipeline, the preheating storage tank 1 is connected with the first pump 2 through a pipeline, the first pump 2 is connected with the middle inlet of the rectifying tower 3 through a pipeline,
the bottom of the rectifying tower 3 is connected with a second pump 4 through a pipeline, and the second pump 4 is connected with an inlet in the middle of the flash tank 5 through a pipeline;
a condensed water outlet at the bottom of the rectifying tower 3 and a condensed water outlet at the bottom of the flash tank 5 are connected with a third pump 8 through pipelines, and the third pump 8 is connected with an outer tank heating layer of the preheating storage tank 1 through a pipeline;
preferably, the heating separation layer of the preheating storage tank 1 is externally connected with a pure water system, and the condensed water is supplied with energy and then enters the pure water system for further recovery.
The using method comprises the following steps:
ternary precursor mother liquor in the deamination wastewater tank 9 enters a preheating storage tank 1, the ternary precursor mother liquor is preheated in the preheating storage tank 1 and then is pumped into a rectifying tower 3 through a first pump 2 for rectification, and a product obtained by rectification enters the next procedure; the steam supplement tank 6 pumps out hot steam through the jet heat pump 7 to supplement heat energy for the rectifying tower 3;
the deamination wastewater at the bottom of the rectifying tower 3 enters a flash tank 5 through a second pump 4 to be treated into steam and enters the jet heat pump 7 from a steam outlet at the top through a medium-pressure steam inlet of the jet heat pump 7;
condensate water at the bottom of the rectifying tower 3 and condensate water at the bottom of the flash tank 5 are pumped into a preheating storage tank 1 outer tank heating layer through a third pump 8, and heat energy is provided for preheating of ternary precursor mother liquor in the preheating storage tank 1.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (2)
1. A ternary precursor mother liquor wastewater deamination rectification heat pump system is characterized by comprising a deamination wastewater tank (9), a preheating storage tank (1), a rectification tower (3), a steam supplement tank (6), an injection type heat pump (7), a flash tank (5), a first pump (2), a second pump (4) and a third pump (8);
a heating interlayer capable of conducting heat is arranged on the outer layer of the preheating storage tank (1);
a steam outlet at the top of the flash tank (5) is connected with a medium-pressure steam inlet pipeline of the injection heat pump (7), a top high-pressure steam inlet of the injection heat pump (7) is connected with a bottom steam outlet pipeline of the steam supplement tank (6), and a bottom steam outlet of the injection heat pump (7) is connected with the rectifying tower (3) through a pipeline;
the deamination waste water tank (9) is connected with the preheating storage tank (1) through a pipeline, the preheating storage tank (1) is connected with the first pump (2) through a pipeline, the first pump (2) is connected with the middle inlet of the rectifying tower (3) through a pipeline,
the bottom of the rectifying tower (3) is connected with a second pump (4) through a pipeline, and the second pump (4) is connected with an inlet in the middle of the flash tank (5) through a pipeline;
the condensed water outlet at the bottom of the rectifying tower (3) and the condensed water outlet pipeline at the bottom of the flash tank (5) are connected with a third pump (8), and the third pump (8) is connected with a pipeline to preheat the outer tank heating layer of the storage tank (1).
2. The ternary precursor mother liquor wastewater deamination and rectification heat pump system as claimed in claim 1, wherein a pure water system is connected outside a heating partition of the preheating storage tank (1), and condensed water enters the pure water system for further recovery after being supplied with energy.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121526004.5U CN215886426U (en) | 2021-07-06 | 2021-07-06 | Ternary precursor mother liquor wastewater deamination rectification heat pump system |
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| CN202121526004.5U CN215886426U (en) | 2021-07-06 | 2021-07-06 | Ternary precursor mother liquor wastewater deamination rectification heat pump system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115304120A (en) * | 2022-09-09 | 2022-11-08 | 世韩(天津)节能环保科技有限公司 | Salt separation process for wastewater generated in iron phosphate production |
| CN115490385A (en) * | 2022-11-01 | 2022-12-20 | 世韩(天津)节能环保科技有限公司 | Waste liquid treatment system and process |
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2021
- 2021-07-06 CN CN202121526004.5U patent/CN215886426U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115304120A (en) * | 2022-09-09 | 2022-11-08 | 世韩(天津)节能环保科技有限公司 | Salt separation process for wastewater generated in iron phosphate production |
| CN115490385A (en) * | 2022-11-01 | 2022-12-20 | 世韩(天津)节能环保科技有限公司 | Waste liquid treatment system and process |
| CN115490385B (en) * | 2022-11-01 | 2024-01-23 | 世韩(天津)节能环保科技有限公司 | Waste liquid treatment system and process |
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