CN209885829U - Be used for power plant condensate water fine treatment positive resin regenerating unit - Google Patents
Be used for power plant condensate water fine treatment positive resin regenerating unit Download PDFInfo
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- CN209885829U CN209885829U CN201920613659.2U CN201920613659U CN209885829U CN 209885829 U CN209885829 U CN 209885829U CN 201920613659 U CN201920613659 U CN 201920613659U CN 209885829 U CN209885829 U CN 209885829U
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Abstract
The utility model relates to a positive resin regeneration technical field of condensate polishing, a be used for the positive resin regenerating unit of condensate polishing of power plant, it includes the sulphuric acid storage tank, sour batch meter, sour measuring pump more than two at least, blender and positive tower, the fixed intercommunication in sulphuric acid storage tank top import has first sour pipeline of entering, fixed intercommunication has first sour pipeline between export of sulphuric acid storage tank bottom and the import of sour batch meter top, fixed intercommunication has the sour pipeline of second play between export of sour batch meter lower part and the import of sour measuring pump, fixed intercommunication has the sour pipeline of third play between the export of sour metering pump export and the import of blender middle part, fixed intercommunication has the sour pipeline of fourth play between export of blender bottom and the import of positive tower upper portion. The utility model has the advantages of reasonable and compact structure, convenient to use, it can realize the purpose of waste water zero release directly as the desulfurization process water retrieval and utilization with the waste water that produces in the positive resin of regeneration, accords with the requirement of environmental protection production, has safety, laborsaving, simple and convenient, efficient characteristics.
Description
Technical Field
The utility model relates to a condensate polishing positive resin regeneration technical field is a be used for power plant's condensate polishing positive resin regenerating unit.
Background
The raw material that traditional power plant condensate water fine treatment cation resin regeneration used is hydrochloric acid, the volatility of hydrochloric acid has decided that hydrochloric acid constantly volatilizes toxic gas in the use, all can bring harm to human body and environment, concentrated hydrochloric acid's concentration is lower than concentrated sulfuric acid a lot simultaneously, need consume a large amount of financial resources and material resources in the aspect of storage and transportation, it still has certain danger still to transport hydrochloric acid in hot summer in addition, because hydrochloric acid volatilizees more greatly when the temperature is higher, but these toxic gas can not directly be arranged outward again, lead to the not big increase of pressure in the transport vechicle acid jar, hydrochloric acid has strong corrosivity in addition, the explosion accident can probably take place in acid jar weak department. Meanwhile, the strong corrosiveness of the hydrochloric acid makes the equipment requirements in use very strict, and a layer of anticorrosive material needs to be added on the inner walls of the hydrochloric acid storage equipment and the transportation pipelines, so that the cost of the pipelines of the equipment and the subsequent maintenance cost need a large amount of capital. Finally, the waste water generated by the regeneration of the cation resin by hydrochloric acid contains a large amount of Cl < - >, so the waste water cannot be used as process water for desulfurization, the waste water cannot be discharged at will under strict environmental protection at present, and the treatment of the waste water containing Cl < - >, which is a great factor influencing the normal operation of a power plant, is difficult.
Disclosure of Invention
The utility model provides a be used for condensate polishing positive resin regenerating unit of power plant has overcome above-mentioned prior art not enough, thereby it contains Cl-in the waste water that exists in the existing traditional condensate polishing positive resin regenerating unit of power plant effectively to produce harm and the harsh problem of sour storage condition to health and environment.
The technical scheme of the utility model is realized through following measure: the utility model provides a be used for power plant's condensate water fine treatment positive resin regenerating unit, including the sulphuric acid storage tank, sour batch meter, sour measuring pump more than two at least, blender and positive tower, the fixed intercommunication in sulphuric acid storage tank top import has first acid inlet pipe, fixed intercommunication has first sour pipeline between sulphuric acid storage tank bottom export and the sour batch meter top import, fixed intercommunication has the sour pipeline of second between sour batch meter lower part export and the sour measuring pump import, fixed intercommunication has the sour pipeline of third between sour metering pump export and the import of blender middle part, the fixed intercommunication in blender top has demineralized water inlet pipe, fixed intercommunication has the sour pipeline of fourth between blender bottom export and the import of positive tower upper portion, the fixed intercommunication in positive tower bottom export has positive resin exhaust pipeline.
The following are further optimization or/and improvement of the technical scheme of the utility model:
a first exhaust pipeline is fixedly mounted at an air outlet in the top of the sulfuric acid storage tank, a first emptying valve is fixedly mounted on the first exhaust pipeline, and a first acid inlet valve is fixedly mounted on the first acid inlet pipeline.
The acid metering tank is internally provided with a stirrer.
Above-mentioned sour batch meter top gas vent fixed mounting has the second exhaust pipe line, and fixed mounting has the second evacuation valve on the exhaust pipe line, and sour batch meter lower part export fixed mounting has first sewage pipes, and fixed mounting has first sewage valves on the sewage pipes.
The first acid outlet pipeline is fixedly provided with a first acid outlet valve and a second acid outlet valve in sequence at the inlet, and the second acid inlet valve is fixedly arranged at the outlet.
A filter screen is fixedly arranged on a second acid outlet pipeline at the inlet of the acid metering pump, and a third acid outlet valve is fixedly arranged on the second acid outlet pipeline between the filter screen and the outlet at the lower part of the acid metering tank.
An inlet valve is fixedly installed on a second acid outlet pipeline between the inlet of the acid metering pump and the filter screen, an outlet valve is fixedly installed at the outlet of the acid metering pump, and a fourth acid outlet valve is fixedly installed on a third acid outlet pipeline between the outlet valve and the inlet in the middle of the mixer.
And an acidity meter is fixedly mounted on the fourth acid outlet pipeline, and a fifth acid outlet valve is fixedly mounted on the fourth acid outlet pipeline between the acidity meter and the inlet at the upper part of the anode tower.
And the lower outlet of the male tower is fixedly communicated with a second sewage discharge pipeline, and a second sewage discharge valve is fixedly arranged on the second sewage discharge pipeline.
The utility model has the advantages of reasonable and compact structure, convenient to use, it can realize the purpose of waste water zero release directly as the desulfurization process water retrieval and utilization with the waste water that produces in the positive resin of regeneration, accords with the requirement of environmental protection production, has safety, laborsaving, simple and convenient, efficient characteristics.
Drawings
FIG. 1 is a schematic process flow diagram of the preferred embodiment of the present invention.
The codes in the figures are respectively: 1 is a sulfuric acid storage tank, 2 is an acid metering tank, 3 is an acid metering pump, 4 is a mixer, 5 is a positive tower, 6 is a first acid inlet pipeline, 7 is a first acid outlet pipeline, 8 is a second acid outlet pipeline, 9 is a third acid outlet pipeline, 10 is a demineralized water inlet pipeline, 11 is a fourth acid outlet pipeline, 12 is a cation resin discharge pipeline, 13 is a first gas discharge pipeline, 14 is a first gas discharge valve, 15 is a first acid inlet valve, 16 is a stirrer, 17 is a second gas discharge pipeline, 18 is a second gas discharge valve, 19 is a first sewage discharge pipeline, 20 is a first sewage discharge valve, 21 is a first acid outlet valve, 22 is a second acid outlet valve, 23 is a second acid inlet valve, 24 is a filter screen, 25 is a third acid outlet valve, 26 is an inlet valve, 27 is an outlet valve, 28 is a fourth acid outlet valve, 29 is an acidimeter, 30 is a fifth acid outlet valve, 31 is a second sewage discharge pipeline, and 32 is a second sewage discharge valve.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The invention will be further described with reference to the following examples and drawings:
as shown in the attached drawing 1, the device for regenerating the cation resin for the fine treatment of the condensation water of the power plant comprises a sulfuric acid storage tank 1, an acid metering tank 2, at least more than two acid metering pumps 3, a mixer 4 and an anode tower 5, wherein a first acid inlet pipeline 6 is fixedly communicated with a top inlet of the sulfuric acid storage tank 1, a first acid outlet pipeline 7 is fixedly communicated between a bottom outlet of the sulfuric acid storage tank 1 and a top inlet of the acid metering tank 2, a second acid outlet pipeline 8 is fixedly communicated between a lower outlet of the acid metering tank 2 and an inlet of the acid metering pump 3, a third acid outlet pipeline 9 is fixedly communicated between an outlet of the acid metering pump 3 and a middle inlet of the mixer 4, a demineralized water inlet pipeline 10 is fixedly communicated with the top of the mixer 4, a fourth acid outlet pipeline 11 is fixedly communicated between a bottom outlet of the mixer 4 and an upper inlet of the anode tower 5, and a cation resin discharge pipeline 12 is fixedly communicated with a bottom outlet.
The utility model discloses an acid metering pump 3 is adjusted sulphuric acid and is got into the acid concentration of the fine processing positive resin regeneration tower of condensate and is regenerated the positive resin, and the waste water that produces in the regeneration positive resin directly realizes the purpose of waste water zero release as the reuse of desulfurated process water. And the sulfuric acid storage tank 1 is changed into a carbon steel storage tank, so that the production cost is also reduced in the aspects of transportation and storage. Meanwhile, the mixer 4 is additionally arranged, so that sulfuric acid and water can be mixed better, and the most favorable condition for regenerating the cation resin is achieved.
The regeneration device for the cation resin for the fine treatment of the condensate water of the power plant can be further optimized or/and improved according to the actual needs:
as shown in the attached drawing 1, a first exhaust pipeline 13 is fixedly installed at an air outlet at the top of the sulfuric acid storage tank 1, a first emptying valve 14 is fixedly installed on the first exhaust pipeline 13, and a first acid inlet valve 15 is fixedly installed on the first acid inlet pipeline 6.
As shown in FIG. 1, an agitator 16 is provided in the acid metering tank 2.
As shown in the attached drawing 1, a second exhaust pipeline 17 is fixedly mounted at an exhaust port at the top of the acid metering tank 2, a second emptying valve 18 is fixedly mounted on the second exhaust pipeline 17, a first emptying pipeline 19 is fixedly mounted at an outlet at the lower part of the acid metering tank 2, and a first emptying valve 20 is fixedly mounted on the first emptying pipeline 19.
According to needs, the second emptying valve 18 can prevent the water from entering the acid metering tank 2 and generating heat, and the pressure of the acid metering tank 2 can be released at any time when the pressure is high. During normal use, first blowdown valve 20 closes, opens first blowdown valve 20 drainage on the first blowdown pipeline 19 when replacement and washing sour batch meter 2.
As shown in fig. 1, a first acid outlet valve 21 and a second acid outlet valve 22 are fixedly installed at an inlet of the first acid outlet pipeline 7 in sequence, and a second acid inlet valve 23 is fixedly installed at an outlet of the first acid outlet pipeline 7.
As shown in fig. 1, a filter screen 24 is fixedly installed on the second acid outlet pipeline 8 at the inlet of the acid metering pump 3, and a third acid outlet valve 25 is fixedly installed on the second acid outlet pipeline 8 between the filter screen 24 and the lower outlet of the acid metering tank 2.
As shown in fig. 1, an inlet valve 26 is fixedly installed on the second acid outlet pipeline 8 between the inlet of the acid metering pump 3 and the filter screen 24, an outlet valve 27 is fixedly installed at the outlet of the acid metering pump 3, and a fourth acid outlet valve 28 is fixedly installed on the third acid outlet pipeline 9 between the outlet valve 27 and the middle inlet of the mixer 4.
As shown in fig. 1, an acidity meter 29 is fixedly installed on the fourth acid outlet line 11, and a fifth acid outlet valve 30 is fixedly installed on the fourth acid outlet line 11 between the acidity meter 29 and the upper inlet of the anode tower 5.
The acid metering pump 3 can adjust the acid concentration as needed. The concentration of the regenerated acid of the condensate polishing cation resin is controlled to be 1% to 5% by adjusting the stroke and frequency of the metering pump so that the concentration of the acid passing through the mixer 4 is in accordance with the calculated value according to the acid concentration indicated by the acidimeter 29.
As shown in the attached figure 1, the lower outlet of the male tower 5 is fixedly communicated with a second sewage draining pipeline 31, and a second sewage draining valve 32 is fixedly arranged on the second sewage draining pipeline 31.
Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.
The utility model discloses best embodiment's use: closing a first emptying valve 14 of a first exhaust pipeline 13, opening a first acid inlet valve 15 on a first acid inlet pipeline 6, storing sulfuric acid in a sulfuric acid storage tank 1, sequentially opening a first acid outlet valve 21, a second acid outlet valve 22 and a second acid inlet valve 23, allowing a proper amount of sulfuric acid in the sulfuric acid storage tank 1 to enter an acid metering tank 2 through a first acid outlet pipeline 7, starting a stirrer 16 in the acid metering tank 2, simultaneously opening a second emptying valve 18 of the acid metering tank 2, sequentially opening a third acid outlet valve 25, an inlet valve 26 and an outlet valve 27, a fourth acid outlet valve 28 and a fifth acid outlet valve 30 on a third acid outlet pipeline 9 on a second acid outlet pipeline 8, starting an acid metering pump 3, conveying acid liquor into a mixer 4 through the acid metering pump 3, mixing and reacting with the saline water from a desalted water inlet pipeline 10, and discharging acid with a calculated value of acid concentration from the mixer 4, the mixed solution is sent to a positive tower 5 through a fourth acid outlet pipeline 11 to regenerate the positive resin; after the regeneration is finished, the operation of the acid metering pump 3 is stopped, the third acid outlet valve 25, the inlet valve 26, the outlet valve 27, the fourth acid outlet valve 28 and the fifth acid outlet valve 30 on the second acid outlet pipeline 8 are closed, the stirrer 16 in the acid metering tank 2 is stopped, the second emptying valve 18 of the acid metering tank 2 is closed, the cation resin in the cation tower 5 is replaced and cleaned, then the regeneration is finished, the cation resin is conveyed to the mixed bed for reuse through the cation resin discharge pipeline 12, the second blowdown valve 32 is opened, and the cleaning wastewater is discharged through the second blowdown pipeline 31 to be used as the desulfurized process water for reuse.
Claims (9)
1. The utility model provides a be used for power plant's condensate water fine treatment positive resin regenerating unit, a serial communication port includes the sulphuric acid storage tank, sour batch meter, sour measuring pump more than two at least, blender and positive tower, the fixed intercommunication in sulphuric acid storage tank top import has first acid inlet pipe, fixed intercommunication has first sour pipeline between sulphuric acid storage tank bottom export and the sour batch meter top import, fixed intercommunication has the sour pipeline of second between sour batch meter lower part export and the sour measuring pump import, fixed intercommunication has the sour pipeline of third between sour metering pump export and the import of blender middle part, the fixed intercommunication in blender top has the demineralized water inlet pipe, fixed intercommunication has the sour pipeline of fourth between blender bottom export and the import of positive tower upper portion, the fixed intercommunication in positive tower bottom export has positive resin discharge pipeline.
2. The solar resin regeneration device for the power plant condensed water fine treatment according to claim 1, characterized in that a first exhaust pipeline is fixedly installed at an air outlet at the top of the sulfuric acid storage tank, a first emptying valve is fixedly installed on the first exhaust pipeline, and a first acid inlet valve is fixedly installed on the first acid inlet pipeline.
3. The solar resin regeneration device for the power plant condensate polishing treatment as claimed in claim 1 or 2, wherein an agitator is arranged in the acid metering tank.
4. The solar resin regeneration device for the fine processing of the condensed water in the power plant as claimed in claim 1 or 2, wherein a second exhaust pipeline is fixedly installed at an exhaust port at the top of the acid metering tank, a second emptying valve is fixedly installed on the exhaust pipeline, a first sewage draining pipeline is fixedly installed at an outlet at the lower part of the acid metering tank, and a first sewage draining valve is fixedly installed on the sewage draining pipeline.
5. The solar resin regeneration device for the power plant condensate polishing treatment according to claim 1 or 2, wherein a first acid outlet valve and a second acid outlet valve are fixedly installed at an inlet of the first acid outlet pipeline in sequence, and a second acid inlet valve is fixedly installed at an outlet of the first acid outlet pipeline.
6. The solar resin regeneration device for the power plant condensate polishing treatment as claimed in claim 1 or 2, wherein a filter screen is fixedly installed on the second acid outlet pipeline at the inlet of the acid metering pump, and a third acid outlet valve is fixedly installed on the second acid outlet pipeline between the filter screen and the lower outlet of the acid metering tank.
7. The solar resin regeneration device for the power plant condensate polishing treatment according to claim 6, wherein an inlet valve is fixedly installed on a second acid outlet pipeline between an inlet of the acid metering pump and the filter screen, an outlet valve is fixedly installed at an outlet of the acid metering pump, and a fourth acid outlet valve is fixedly installed on a third acid outlet pipeline between the outlet valve and a middle inlet of the mixer.
8. The solar resin regeneration device for the fine processing of the condensation water of the power plant as claimed in claim 1, 2 or 7, wherein an acidimeter is fixedly mounted on the fourth acid outlet pipeline, and a fifth acid outlet valve is fixedly mounted on the fourth acid outlet pipeline between the acidimeter and the inlet at the upper part of the anode tower.
9. The solar resin regeneration device for the fine treatment of the condensed water in the power plant as claimed in claim 1, 2 or 7, wherein the outlet at the lower part of the solar tower is fixedly communicated with a second sewage discharge pipeline, and a second sewage discharge valve is fixedly arranged on the second sewage discharge pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920613659.2U CN209885829U (en) | 2019-04-30 | 2019-04-30 | Be used for power plant condensate water fine treatment positive resin regenerating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920613659.2U CN209885829U (en) | 2019-04-30 | 2019-04-30 | Be used for power plant condensate water fine treatment positive resin regenerating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209885829U true CN209885829U (en) | 2020-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920613659.2U Expired - Fee Related CN209885829U (en) | 2019-04-30 | 2019-04-30 | Be used for power plant condensate water fine treatment positive resin regenerating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209885829U (en) |
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2019
- 2019-04-30 CN CN201920613659.2U patent/CN209885829U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200103 |
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| CF01 | Termination of patent right due to non-payment of annual fee |