CN217042624U - Treatment device for condensate polishing resin oil pollution - Google Patents
Treatment device for condensate polishing resin oil pollution Download PDFInfo
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- CN217042624U CN217042624U CN202123013616.7U CN202123013616U CN217042624U CN 217042624 U CN217042624 U CN 217042624U CN 202123013616 U CN202123013616 U CN 202123013616U CN 217042624 U CN217042624 U CN 217042624U
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Abstract
The utility model provides a processing apparatus for condensate polishing resin oil pollutes, including sour batch meter and alkali batch meter, be connected with on the sour batch meter and annotate sour pipe, be connected with the alkali injection pipe on the alkali batch meter, annotate sour pipe with be connected with first connecting pipe between the alkali injection pipe, be equipped with sour side isolation valve and alkali side isolation valve on the first connecting pipe, sour side isolation valve with be connected with the second connecting pipe between the alkali side isolation valve, be equipped with the atmospheric valve on the second connecting pipe. The utility model provides a processing apparatus for condensate polishing resin oil pollutes simple structure, pipeline are few, have realized that the resin oil pollutes and have carried out chemical cleaning's way, improve resin regeneration efficiency, are favorable to the safety and stability operation of power plant to easy and simple to handle, work efficiency are high.
Description
Technical Field
The utility model relates to a condensate polishing technical field of nuclear power plant especially relates to a processing apparatus for condensate polishing resin oil pollutes.
Background
The three loops of the 600MW demonstration fast reactor generator set are high-capacity and high-parameter direct current evaporation without pollution discharge, the set puts more strict requirements on the quality of water vapor, and the fine treatment of condensed water is an effective water treatment mode for ensuring the quality of water and vapor of the set and the safe operation of the set. In China, all nuclear power generating units are equipped with condensate polishing systems. The condensate polishing system has become one of the most important barriers for ensuring the quality of steam and water. During operation of the polishing system, polishing resin oil contamination events occur at times. Resin oil pollution of a fine treatment system can cause that resin is too quick to lose efficacy, the acid and alkali consumption is increased, the effluent quality is reduced, and the safe and stable operation of a unit is seriously threatened.
An exemplary 600MW fast reactor finishing condensate regeneration system is shown in FIG. 1, and comprises a negative regeneration tank 21, a negative resin input valve 22, a middle drain valve 23, a lower drain valve 24, a resin output valve 25, a resin catcher 26, an incoming water valve 27, a waste water resin catcher 28, a lower drain valve 29, a negative resin output valve 30, an upper drain valve 31, a spent resin input valve 32, a first machine resin delivery pipe 33 and a second machine resin delivery pipe 34, wherein the number of the negative regeneration tanks 1 is two.
When grease contamination occurs, chemical cleaning is usually performed by a method of soaking with alkali. In the existing thermal power and nuclear power plant units, no proper alkali injection pipeline exists. Some nuclear power stations adopt a negative tower to reversely flow alkali to a separation tower and a positive tower, the operation of the nuclear power stations needs more than ten valves, the operation is very complicated, and the nuclear power stations cannot inject alkali to a front positive bed, so that the nuclear power stations have great limitation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art defect to a processing apparatus for condensate polishing resin oil pollutes is provided, this a processing apparatus for condensate polishing resin oil pollutes simple structure, pipeline are few, have realized that resin oil pollutes and have carried out the route that chemical cleaning, improve resin regeneration efficiency, are favorable to the safety and stability of power plant to move, and easy and simple to handle, work efficiency is high.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a processing apparatus for be used for condensate polishing resin oil to pollute, includes sour batch meter and alkali batch meter, be connected with on the sour batch meter and annotate sour pipe, be connected with the alkali injection pipe on the alkali batch meter, annotate sour pipe with be connected with first connecting pipe between the alkali injection pipe, be equipped with sour side isolation valve and alkali side isolation valve on the first connecting pipe, sour side isolation valve with be connected with the second connecting pipe between the alkali side isolation valve, be equipped with the atmospheric valve on the second connecting pipe.
As an implementation mode, an acid ejector is arranged on the acid injection pipe, and the acid ejector is externally connected with a first regeneration pump.
As an implementation mode, an alkali ejector is arranged on the alkali injection pipe, and a second regeneration pump is externally connected to the alkali ejector.
As an implementation mode, an acid metering box isolation valve is arranged on the acid injection pipe.
As an implementation mode, an alkali metering box isolation valve is arranged on the alkali injection pipe.
As an implementation manner, a first acid inlet branch pipe and a second acid inlet branch pipe are connected to the downstream of the acid injection pipe, the first acid inlet branch pipe is connected to the mixed bed regeneration anode tower, and the second acid inlet branch pipe is connected to the front anode bed regeneration tower.
As an implementation mode, an acid inlet valve of the mixed bed cation resin regeneration tower is arranged on the first acid inlet branch pipe, and an acid inlet valve of the front cation bed regeneration tower is arranged on the second acid inlet branch pipe.
As a practical mode, a negative tower alkali inlet valve is arranged at the downstream of the alkali injection pipe.
Compared with the prior art, the utility model provides a processing apparatus for condensate polishing resin oil pollutes has following beneficial effect:
the utility model provides a connect first connecting pipe between acid injection pipe and the alkali injection pipe for condensate polishing resin oil pollutes processing apparatus, be equipped with sour side isolation valve and alkali side isolation valve on the first connecting pipe, connect the second connecting pipe between sour side isolation valve and the alkali side isolation valve, be equipped with the atmospheric valve on the second connecting pipe, when oil pollution appears, alkali lye pours into the positive resin regeneration tower into through advancing acid pipe, the resin oil pollution has been realized and has been carried out the chemical cleaning's way, the efficiency of resin regeneration is improved, be favorable to the safe and stable operation of power plant. And the treatment device for the condensate polishing resin oil pollution has simple structure and few pipelines, and can be used by operators very simply and conveniently.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly introduced, obviously, the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of an exemplary 600MW fast reactor polishing condensate regeneration system provided in accordance with an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a treatment device for condensate polishing resin oil contamination according to an embodiment of the present invention.
Description of reference numerals:
1. an acid metering tank; 2. an alkali batch meter; 3. injecting an acid pipe; 4. an alkali injection pipe; 5. a first connecting pipe; 6. an acid side isolation valve; 7. an alkaline side isolation valve; 8. a second connecting pipe; 9. an atmospheric valve; 10. an acid sprayer; 11. a first regenerative pump; 12. an alkali sprayer; 13. a second regenerative pump; 14. an acid metering tank isolation valve; 15. an alkali batch tank isolation valve; 16. a first acid inlet branch pipe; 17. a second acid inlet branch pipe; 18. an acid inlet valve of the mixed bed cation resin regeneration tower; 19. the acid inlet valve of the anode bed regeneration tower is arranged in front; 20. an alkali inlet valve of the negative tower; 21. a negative regeneration tank; 22. a negative resin input valve; 23. a middle drain valve; 24. a lower drain valve; 25. a resin output valve; 26. a resin catcher; 27. a water inlet valve; 28. a waste water resin trap; 29. a lower drain valve; 30. a negative resin output valve; 31. an upper drain valve; 32. a spent resin input valve; 33. a first machine resin conveying pipe; 34. second machine resin conveying pipe.
Detailed Description
Although the present invention can be embodied in a variety of different forms, exemplary embodiments will be described in detail herein with reference to the accompanying drawings, it being understood that the description herein should be considered as illustrating the structure of the treatment apparatus for condensate polishing resin oil contamination without intending to limit the scope of the present invention to the exemplary embodiments. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", and the like herein indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The following is a detailed description of the preferred embodiments.
As shown in figure 2, the utility model provides a processing apparatus for condensate polishing resin oil pollutes, including sour batch meter 1 and alkali batch meter 2, be connected with on the sour batch meter 1 and annotate sour pipe 3, be connected with on the alkali batch meter 2 and annotate alkali pipe 4. Sulfuric acid is filled in the acid metering box 1, and alkali liquor is filled in the alkali metering box 2. Be connected with first connecting tube 5 between acid injection pipe 3 and the alkali injection pipe 4, first connecting tube 5 intercommunication acid injection pipe 3 and alkali injection pipe 4 promptly for alkali lye in the alkali batch meter 2 can flow to acid injection pipe 3 through first connecting tube 5, pours into in the positive resin regeneration tower. An acid side isolation valve 6 is arranged on the first connecting pipe 5 at a position close to the acid injection pipe 3, and an alkali side isolation valve 7 is arranged at a position close to the alkali injection pipe 4. The acid side isolation valve 6 and the base side isolation valve 7 are in a normally closed state. A second connecting pipe 8 is connected between the acid side isolation valve 6 and the alkali side isolation valve 7, and the second connecting pipe 8 is connected to the neutralization waste liquid pool. And an emptying valve 9 is arranged on the second connecting pipe 8, and the emptying valve 9 is in a normally open state.
An acid injector 10 is installed upstream of the acid injection pipe 3, and the acid injector 10 is externally connected with a first regeneration pump 11. The mounting position of the acid ejector 10 is closer to the acid metering tank 1 than the mounting position of the first connecting pipe 5. Similarly, an alkali injector 12 is installed upstream of the alkali injection pipe 4, the alkali injector 12 is externally connected with a second regeneration pump 13, and the installation position of the alkali injector 12 is closer to the alkali metering box 2 relative to the installation position of the first connecting pipe 5.
Also mounted on acid injection pipe 3 is acid metering tank isolation valve 14, acid metering tank isolation valve 14 being closer to acid metering tank 1 than to acid injector 10, i.e. acid metering tank isolation valve 14 is disposed between acid metering tank 1 and acid injector 10. Similarly, an alkali metering tank isolation valve 15 is also mounted on the alkali injection pipe 4, the alkali metering tank isolation valve 15 being closer to the alkali metering tank 2 than to the alkali injector 12, i.e. the alkali metering tank isolation valve 15 is arranged between the alkali metering tank 2 and the alkali injector 12.
Two branch pipes, namely a first acid inlet branch pipe 16 and a second acid inlet branch pipe 17, which are arranged in parallel are connected with the downstream (or outlet) of the acid injection pipe 3. The first acid inlet branch pipe 16 is connected to the mixed bed regeneration positive tower, and the second acid inlet branch pipe 17 is connected to the front positive bed regeneration tower. The first acid inlet branch pipe 16 is provided with an acid inlet valve 18 of the mixed bed cation resin regeneration tower, and the second acid inlet branch pipe 17 is provided with an acid inlet valve 19 of the front cation bed regeneration tower. The downstream of the alkali injection pipe 4 is provided with a negative tower alkali inlet valve 20, and the alkali injection pipe 4 is connected to a negative resin regeneration tower. It should be noted that the upstream and downstream are relative positions in the liquid flow direction of the acid injection pipe 3 or the alkali injection pipe 4, that is, the sulfuric acid or alkali liquid flows upstream and then downstream (from the top to the bottom in fig. 2).
The utility model discloses an operation mode does: oil stains are observed through backwashing outlet water, pits and the like to judge that the resin is polluted by the oil; the operation was performed according to the following two cases:
(1) alkali soaking is carried out on the mixed bed regeneration positive tower, and the specific steps are as follows:
step 1: starting a regeneration water pump, opening an acid side isolation valve, opening an alkali side isolation valve, closing an emptying valve, opening an acid inlet valve of a mixed bed cation resin regeneration tower, and opening a discharge valve of the mixed bed cation resin regeneration tower to establish water flow; washing for 5 minutes;
step 2: opening an isolation valve of the alkali metering box, and controlling the concentration of the alkali liquor to be 3-5%; injecting alkali for one hour, stopping the regeneration water pump and recovering the valve (closing the acid side isolation valve, closing the alkali side isolation valve, opening the emptying valve, closing the acid inlet valve of the mixed bed cation resin regeneration tower) for soaking for 5 hours;
and step 3: after washing, the regeneration step is normally carried out.
(2) Alkali soaking is carried out on a front anode bed regeneration tower, and the method comprises the following specific steps:
step 1: starting a regeneration water pump, opening an acid side isolation valve, opening an alkali side isolation valve, closing an emptying valve, opening an acid inlet valve of a front anode bed regeneration tower, and opening a discharge valve of a mixed bed regeneration anode tower to establish water flow; washing for 5 minutes;
step 2: and opening an isolation valve of the alkali metering tank, and controlling the concentration of the alkali liquor to be 3-5%. Stopping the regeneration water pump and recovering the valves (closing the acid side isolation valve, closing the alkali side isolation valve, opening the emptying valve and closing the acid inlet valve of the front anode bed regeneration tower) for soaking for 5 hours after alkali is injected for one hour;
and 3, step 3: and (5) carrying out a normal regeneration step after flushing.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a processing apparatus for condensate polishing resin oil pollutes, its characterized in that, includes sour batch meter (1) and alkali batch meter (2), be connected with on sour batch meter (1) and annotate sour pipe (3), be connected with on the alkali batch meter (2) and annotate alkali pipe (4), annotate sour pipe (3) with be connected with first connecting pipe (5) between the alkali pipe (4), be equipped with sour side isolation valve (6) and alkali side isolation valve (7) on first connecting pipe (5), sour side isolation valve (6) with be connected with second connecting pipe (8) between alkali side isolation valve (7), be equipped with atmospheric valve (9) on second connecting pipe (8).
2. The apparatus for treating the resin oil pollution in the condensate polishing as claimed in claim 1, wherein an acid injector (10) is arranged on the acid injection pipe (3), and a first regeneration pump (11) is externally connected to the acid injector (10).
3. The treatment device for the condensate polishing resin oil pollution according to the claim 1, wherein the alkali injection pipe (4) is provided with an alkali injector (12), and the alkali injector (12) is externally connected with a second regeneration pump (13).
4. The apparatus for the fine treatment of resin oil pollution by condensed water according to claim 1, wherein an acid metering tank isolation valve (14) is arranged on the acid injection pipe (3).
5. The treatment device for the condensate polishing resin oil pollution according to the claim 1, characterized in that the alkali injection pipe (4) is provided with an alkali metering tank isolation valve (15).
6. The apparatus for treating resin oil pollution by condensate polishing as claimed in claim 1, wherein a first acid inlet branch pipe (16) and a second acid inlet branch pipe (17) are connected with the downstream of said acid injection pipe (3), said first acid inlet branch pipe (16) is connected to a mixed bed regeneration positive tower, and said second acid inlet branch pipe (17) is connected to a front positive bed regeneration positive tower.
7. The apparatus for treating the resin oil pollution through condensate polishing as claimed in claim 6, wherein the first acid inlet branch pipe (16) is provided with an acid inlet valve (18) of a mixed bed cation resin regeneration tower, and the second acid inlet branch pipe (17) is provided with an acid inlet valve (19) of a front cation bed regeneration tower.
8. The apparatus for the fine processing of resin oil pollution by condensed water according to claim 1, characterized in that a negative tower alkali inlet valve (20) is arranged at the downstream of the alkali injection pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123013616.7U CN217042624U (en) | 2021-12-03 | 2021-12-03 | Treatment device for condensate polishing resin oil pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123013616.7U CN217042624U (en) | 2021-12-03 | 2021-12-03 | Treatment device for condensate polishing resin oil pollution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217042624U true CN217042624U (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123013616.7U Active CN217042624U (en) | 2021-12-03 | 2021-12-03 | Treatment device for condensate polishing resin oil pollution |
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| CN (1) | CN217042624U (en) |
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2021
- 2021-12-03 CN CN202123013616.7U patent/CN217042624U/en active Active
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