CN210683270U - Coking waste ammonia water integrated processing system - Google Patents
Coking waste ammonia water integrated processing system Download PDFInfo
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- CN210683270U CN210683270U CN201920893337.8U CN201920893337U CN210683270U CN 210683270 U CN210683270 U CN 210683270U CN 201920893337 U CN201920893337 U CN 201920893337U CN 210683270 U CN210683270 U CN 210683270U
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- ammonia
- ammonia water
- flue gas
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Abstract
The utility model discloses a coking waste ammonia water integrated processing system, including the ammonia still, the top of the tower of ammonia still is connected with the dephlegmator, the dephlegmator is connected with the saturator that is used for retrieving the ammonia and the condensation cooler that is used for producing strong ammonia, the condensation cooler is connected with flue gas desulfurization system. The utility model has the advantages that: this coking waste ammonia water integrated processing system can compromise ammonia recovery and flue gas desulfurization, reduces the waste of heat and basicity.
Description
Technical Field
The utility model relates to a coking wastewater, in particular to coking waste ammonia water integrated processing system.
Background
Coal coking is also called high-temperature dry distillation of coal, and is a coal conversion process which takes coal as a raw material, heats the coal to 950 ℃ under the condition of air isolation, produces coke through high-temperature dry distillation, obtains coal gas and coal tar and recovers other chemical products.
Coal coking involves a coal gas condensation process. In the process of gas condensation, the generated waste ammonia water needs to be treated. How to reasonably treat the waste ammonia water is a difficult problem which is always explored by people.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a coking waste ammonia water integrated processing system. This coking waste ammonia water integrated processing system can compromise ammonia recovery and flue gas desulfurization, reduces the waste of heat and basicity.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a coking waste ammonia water comprehensive utilization system, includes the ammonia still, the top of the tower of ammonia still is connected with the dephlegmator, the dephlegmator is connected with the saturator that is used for retrieving the ammonia and the condensation cooler that is used for producing strong ammonia, the condensation cooler is connected with flue gas desulfurization system.
The utility model discloses further set up to: and the middle part of the ammonia still is connected with a filter for filtering waste ammonia water.
The utility model discloses further set up to: the flue gas desulfurization system is connected between the filter and the ammonia still.
The utility model discloses further set up to: the tower kettle of the ammonia still is connected with a centrifugal pump, and the centrifugal pump is connected with a sewage treatment system.
The utility model discloses further set up to: the centrifugal pump is connected with the flue gas desulfurization system.
To sum up, the utility model discloses following beneficial effect has:
1. the comprehensive treatment system for the coking waste ammonia water introduces concentrated ammonia water generated by a condensing cooler, ammonia water filtered by a filter and ammonia distillation wastewater distilled by an ammonia distillation tower into a flue gas desulfurization system, so that ammonia water with different concentrations can be selected according to different requirements of indexes of waste gas in flue gas on alkalinity;
2. the ammonia gas entering the saturator needs to be at a proper temperature, and the saturator heats the ammonia gas entering the saturator by using water vapor. When the indexes of the desulfurized flue gas are normal, all ammonia gas at the top of the ammonia still enters the saturator. At this time, the ammonia gas is heated by the ammonia still. Thus, the steam consumption of the saturator is reduced, and the moisture is reduced to the saturator, so that the acidity of the saturator is prevented from being influenced.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Reference numerals: 1. a filter; 2. an ammonia still; 3. a dephlegmator; 4. a saturator; 5. a condensing cooler; 6. a flue gas desulfurization system; 7. a centrifugal pump; 8. a sewage treatment system.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the comprehensive treatment system for coking waste ammonia water comprises a filter 1 for filtering waste ammonia water. An ammonia still 2 for evaporating ammonia gas from the waste ammonia water is connected to the filter 1. The top of the filter 1 is connected with a dephlegmator 3, the dephlegmator 3 is connected with a saturator 4 for recovering ammonia gas and a condensing cooler 5 for producing strong ammonia water, and the condensing cooler 5 is connected with a flue gas desulfurization system 6. The middle of the filter 1 is connected to the filter 1. And the flue gas desulfurization system 6 is connected between the filter 1 and the ammonia still 2. The tower kettle of the filter 1 is connected with a centrifugal pump 7, and the centrifugal pump 7 is connected with a sewage treatment system 8. The centrifugal pump 7 is connected with the flue gas desulfurization system 6.
This coking waste ammonia water integrated processing system all introduces flue gas desulfurization system 6 with the strong aqueous ammonia that condenser cooler 5 produced, the aqueous ammonia after filter 1 filters and the ammonia still waste water after 2 ammonia stills of ammonia still to can select for use the aqueous ammonia of different concentrations according to the different demands of waste gas index to the basicity in the flue gas.
The ammonia gas entering the saturator 4 needs to have a proper temperature, and the saturator 4 heats the ammonia gas entering the saturator 4 by using water vapor. When the indexes of the desulfurized flue gas are normal, all ammonia gas at the top of the ammonia still 2 enters the saturator 4. At this time, the ammonia gas is heated by the ammonia still 2. Thus, the consumption of water vapor by saturator 4 is reduced, while at the same time the moisture content to saturator 4 is reduced, avoiding affecting the acidity of saturator 4.
The working process is as follows: the waste ammonia water is filtered by the filter 1, and the oil content of the waste ammonia water is reduced, so that the process requirements of ammonia gas recovery and flue gas desulfurization are met. After the waste ammonia water is filtered, one path of the waste ammonia water enters the ammonia still 2, and the other path of the waste ammonia water enters the flue gas desulfurization system 6. And (3) distilling the waste ammonia water entering the ammonia distillation tower 2 to obtain ammonia gas and ammonia distillation wastewater. After passing through the dephlegmator 3 from the top of the ammonia still 2, one path of ammonia gas enters the condensation cooler 5 to generate concentrated ammonia water, and the other path of ammonia gas enters the saturator 4. The strong ammonia water is introduced into a flue gas desulfurization system 6. When the indexes of the desulfurized flue gas are normal, all ammonia gas at the top of the ammonia still 2 enters the saturator 4. The ammonia distillation wastewater enters a centrifugal pump 7 from the tower bottom and then is conveyed to a sewage treatment system 8. At the outlet of the centrifugal pump 7, a bypass is arranged to introduce the ammonia distillation wastewater into the flue gas desulfurization system 6.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a coking waste ammonia water integrated processing system which characterized by: the ammonia recovery tower comprises an ammonia still (2), wherein a dephlegmator (3) is connected to the top of the ammonia still (2), the dephlegmator (3) is connected with a saturator (4) for recovering ammonia gas and a condensation cooler (5) for producing strong ammonia water, and the condensation cooler (5) is connected with a flue gas desulfurization system (6).
2. The comprehensive treatment system for coking waste ammonia water according to claim 1, which is characterized in that: the middle part of the ammonia still (2) is connected with a filter (1) for filtering waste ammonia water.
3. The comprehensive treatment system for coking waste ammonia water according to claim 2, which is characterized in that: the flue gas desulfurization system (6) is connected between the filter (1) and the ammonia still (2).
4. The comprehensive treatment system for coking waste ammonia water according to claim 1, which is characterized in that: the tower kettle of the ammonia still (2) is connected with a centrifugal pump (7), and the centrifugal pump (7) is connected with a sewage treatment system (8).
5. The comprehensive treatment system for coking waste ammonia water according to claim 4, which is characterized in that: the centrifugal pump (7) is connected with the flue gas desulfurization system (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920893337.8U CN210683270U (en) | 2019-06-13 | 2019-06-13 | Coking waste ammonia water integrated processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920893337.8U CN210683270U (en) | 2019-06-13 | 2019-06-13 | Coking waste ammonia water integrated processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210683270U true CN210683270U (en) | 2020-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920893337.8U Active CN210683270U (en) | 2019-06-13 | 2019-06-13 | Coking waste ammonia water integrated processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210683270U (en) |
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2019
- 2019-06-13 CN CN201920893337.8U patent/CN210683270U/en active Active
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