CN203839061U - Reverse osmosis boron concentrating device for waste liquid processing system of nuclear power plant - Google Patents
Reverse osmosis boron concentrating device for waste liquid processing system of nuclear power plant Download PDFInfo
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- CN203839061U CN203839061U CN201420081532.8U CN201420081532U CN203839061U CN 203839061 U CN203839061 U CN 203839061U CN 201420081532 U CN201420081532 U CN 201420081532U CN 203839061 U CN203839061 U CN 203839061U
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- reverse osmosis
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Abstract
The utility model relates to a reverse osmosis boron concentrating device for a waste liquid processing system of a nuclear power plant. The reverse osmosis boron concentrating device comprises a waste liquid trough, a mixer, a feeding pump, a reverse osmosis device, a monitoring trough and a discharging pump which are sequentially connected in series. The reverse osmosis boron concentrating device can concentrate boron while effectively removing the boron in radioactive waste liquid, conveys concentrated liquid to the downstream process to be reprocessed and has the advantages of being easy to operate, low in energy consumption and the like.
Description
Technical field
The utility model belongs to liquid waste disposal technique field, is specifically related to a kind of counter-infiltration boron enrichment facility for nuclear power station liquid waste treatment system.
Background technology
The radioactive liquid waste that nuclear power plant's liquid waste treatment system produces for the treatment of nuclear power plant control zone, and its radioactivity and chemical substance concentration are reduced to the acceptable level of discharge.Existing operation PWR nuclear power plant is all removed the boron in radioactive liquid waste by evaporator and is concentrated, has the deficiency of the high and system complex of energy consumption, complex operation.
The disclosed technical scheme of patented claim " onion sauce concentration device by reverse osmosis membrane " (application number 201020266209.X, open day on 02 02nd, 2011) is mainly applicable to the processing of heat-sensitive substance, is not suitable for and processes the higher radioactive liquid waste of boron content.The disclosed technical scheme of patented claim " a kind of reverse osmosis unit of processing industrial waste water " (application number 201120060327.X, open day on October 19th, 2011) is mainly for the treatment of the non-industrial waste water of putting.Reverse osmosis unit in the disclosed technical scheme of patented claim " a kind of method of processing radioactive wastewater " (application number 201310103374.1, open day on June 26th, 2013) is mainly used in Spent Radioactive water pretreatment, does not relate to concentrated.Patented claim " is placed in the reverse osmosis unit of deep water ", and (application number 200710044266.6, open day on January 28th, 2009) disclosed technical scheme is mainly used in waters, deep-sea.
Utility model content
For the defect existing in prior art, the purpose of this utility model is to provide a kind of counter-infiltration boron enrichment facility for nuclear power station liquid waste treatment system, adopt this reverse osmosis treatment device can overcome the ion-exchange unit that existing nuclear power station liquid waste treatment system adopts and be difficult to the defect except boron, the waste liquid after ion-exchange unit is processed removes boron and concentration.
The technical solution of the utility model is as follows: a kind of counter-infiltration boron enrichment facility for nuclear power station liquid waste treatment system, comprises waste liquid tank, mixer, charging pump, reverse osmosis unit, monitoring groove and the emptying pump of connecting successively.
Further, counter-infiltration boron enrichment facility for nuclear power station liquid waste treatment system as above, wherein, the dense water out of described reverse osmosis unit is connected by reverse osmosis concentrated water clean-up line and reverse osmosis concentrated water reflux pipeline respectively with waste liquid tank through reverse osmosis concentrated water T-valve.
Further, the counter-infiltration boron enrichment facility for nuclear power station liquid waste treatment system as above, wherein, is connected with dense water regulating valve and heat interchanger on the reverse osmosis concentrated water reflux pipeline that the dense water out of described reverse osmosis unit is connected with waste liquid tank.
Further, the counter-infiltration boron enrichment facility for nuclear power station liquid waste treatment system as above, wherein, described mixer is connected with reagent trough, between mixer and reagent trough, is connected with volume pump, through mixer, in reverse osmosis produced water pipeline, injects alkaline reagent.
Further, the counter-infiltration boron enrichment facility for nuclear power station liquid waste treatment system as above wherein, is provided with high-pressure pump between described charging pump and reverse osmosis unit.
Further, counter-infiltration boron enrichment facility for nuclear power station liquid waste treatment system as above, wherein, the product water out multiparity water T-valve of described reverse osmosis unit is sent pipeline and reverse osmosis produced water reflux pipeline outside by reverse osmosis produced water respectively and is connected with waste liquid tank with monitoring groove.
Further, the counter-infiltration boron enrichment facility for nuclear power station liquid waste treatment system as above, wherein, described waste liquid tank is connected with the outer comb line of concentrate, is in series with concentrate and sends valve and concentrate pump outside on the outer comb line of concentrate.
Further, the counter-infiltration boron enrichment facility for nuclear power station liquid waste treatment system as above, wherein, described monitoring groove is connected with product water discharge pipeline, produces water discharge pipeline and is provided with emptying pump.
Further, the counter-infiltration boron enrichment facility for nuclear power station liquid waste treatment system as above, wherein, is provided with waste liquid tank well heater and waste liquid tank liquid level gauge and waste liquid tank conductivity meter on described waste liquid tank; On described monitoring groove, be provided with monitoring tank liquor position and take into account monitoring groove conductivity meter.
Further, the counter-infiltration boron enrichment facility for nuclear power station liquid waste treatment system as above, wherein, is provided with electric heat tracing device on the outer comb line of described reverse osmosis produced water pipeline, reverse osmosis concentrated water reflux pipeline, reverse osmosis concentrated water clean-up line and concentrate.
The beneficial effects of the utility model are as follows: a kind of counter-infiltration boron enrichment facility for nuclear power station liquid waste treatment system that the utility model provides, the radioactivity process waste liquor mesoboric acid contents level high producing for nuclear power plant, adopts modularization Integrated design; Special in the higher radioactive wastewater of boron content, chemical reagent is set in system and injects pipeline, by injecting alkaline reagent, improve the interception capacity to boron; Based on installing producing a large amount of heat in the concentrated process of boron, on concentrate recirculation pipeline, be provided with heat interchanger, holdout device running temperature is lower than the allowable temperature of reverse osmosis unit simultaneously; For preventing that the borate waste solution of high concentration is cooling, cause crystallization, waste liquid tank is provided with waste liquid tank well heater, on the outer comb line of reverse osmosis produced water pipeline, reverse osmosis concentrated water reflux pipeline, reverse osmosis concentrated water clean-up line and concentrate, be provided with electric heat tracing device, to maintain waste liquid temperature in waste liquid tank; On waste liquid tank, be provided with waste liquid tank liquid level and take into account waste liquid tank conductivity meter, for controlling boron cycles of concentration and the concentrate concentration of waste liquid; Device is provided with concentrate pump, for concentrate being delivered to downstream process, processes.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the counter-infiltration boron enrichment facility for nuclear power station liquid waste treatment system.
In figure,
common pipeline.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Figure 1, a kind of reverse osmosis treatment device for nuclear power station liquid waste treatment system provided by the utility model, comprises waste liquid tank 1, mixer 12, charging pump 2, high-pressure pump 3, the reverse osmosis unit 4 of connecting successively, monitoring groove 5 and emptying pump 6.
Preferably, the dense water out of reverse osmosis unit 4 is connected by reverse osmosis concentrated water clean-up line and reverse osmosis concentrated water reflux pipeline respectively with waste liquid tank 1 through reverse osmosis concentrated water T-valve 14.
More preferably, on the reverse osmosis concentrated water reflux pipeline that the dense water out of reverse osmosis unit 4 is connected with waste liquid tank 1, be connected with dense water regulating valve 16 and heat interchanger 8.The large calorimetric that heat interchanger 8 produces for let-off gear(stand) operational process, holdout device running temperature is lower than the allowable temperature of reverse osmosis unit 4.
Waste liquid tank 1 is connected with waste liquid and injects pipeline (between node N01 to N02), and waste liquid injects on pipeline and is in series with waste liquid admission valve 13, for discharging of waste liquid being entered to waste liquid tank 1.
Reverse osmosis unit 4 product water out multiparity water T-valve 15 by reverse osmosis produced water, send pipeline outside respectively and reverse osmosis produced water reflux pipeline is connected with waste liquid tank 1 with monitoring groove 5.
In addition, mixer 12 is connected with reagent trough 11, between mixer 12 and reagent trough 11, is connected with volume pump 10, for injecting alkaline reagent to reverse osmosis produced water pipeline, improves the removal efficiency of reverse osmosis unit to boron.
Waste liquid tank 1 is connected with the outer comb line of concentrate, is in series with concentrate and sends valve 17 and concentrate pump 7 outside on it.For being delivered to downstream process by the outer comb line of concentrate, processes the concentrate after processing.
Produce water discharge pipeline and be connected with monitoring groove 5, on it, be in series with emptying pump 6, for product water is monitored to outer row.
On waste liquid tank 1, be provided with waste liquid tank well heater 9 and waste liquid tank liquid level gauge 19 and waste liquid tank conductivity meter 22.On monitoring groove, be provided with monitoring groove liquid level gauge 20 and monitoring groove conductivity meter 21.Wherein, waste liquid tank well heater, for maintaining the waste liquid temperature of waste liquid tank, prevents the borate waste solution crystallization of high concentration; Waste liquid tank liquid level gauge 19 and waste liquid tank conductivity meter 22 are for controlling boron cycles of concentration and the concentrate concentration of waste liquid.Monitoring groove liquid level gauge 20 and monitoring groove conductivity meter 21 are for monitoring water production rate and producing water water quality.
From said structure, can find out, a kind of counter-infiltration boron enrichment facility for nuclear power station liquid waste treatment system mainly comprises that reverse osmosis produced water pipeline (node N03 is between node N04), reverse osmosis concentrated water reflux pipeline (node N10 is between node N11), reverse osmosis concentrated water clean-up line (node N12 is between node N13), reverse osmosis produced water send pipeline (node N18 is between node N05) and reverse osmosis produced water reflux pipeline (node N08 is between node N09) outside; In addition, first-stage reverse osmosis device also comprises that waste liquid injects comb line (node N14 is between node N15) outside pipeline (node N01 is between node N02), concentrate, produces water discharge pipeline (node N06 is between node N07) and chemical reagent injection pipeline (node N16 is between node N17).Wherein, on the outer comb line of reverse osmosis produced water pipeline, reverse osmosis concentrated water reflux pipeline, reverse osmosis concentrated water clean-up line and concentrate, be provided with electric heat tracing device, for maintaining pipe temperature, the borate waste solution that prevents high concentration is cooling and cause crystallization.
Reverse osmosis produced water pipeline is used for the boron of borate waste solution to be trapped in dense water, and product water is sent; Reverse osmosis concentrated water reflux pipeline is used for controlling the concentrate recirculation amount of reverse osmosis unit, and can realize dense water infinite reflux operating mode for regulating pressure, and borate waste solution is concentrated; Reverse osmosis concentrated water clean-up line and reverse osmosis produced water reflux pipeline carry out infinite reflux when starting for device and rinsing.
As shown in Figure 1, described a kind of counter-infiltration boron enrichment facility for nuclear power station liquid waste treatment system has concentrate recirculation pattern and dense water rinse mode, by the dense water T-valve 14 of reverse osmosis unit, between two kinds of patterns, switches.
As shown in Figure 1, described a kind of counter-infiltration boron enrichment facility for nuclear power station liquid waste treatment system has the water of producing backflow model and produces the outer row's pattern of water, produces water T-valve 15 switch between two kinds of patterns by reverse osmosis unit.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if of the present utility model these are revised and within modification belongs to the scope of the utility model claim and equivalent technology thereof, the utility model is also intended to comprise these changes and modification interior.
Claims (10)
1. for a counter-infiltration boron enrichment facility for nuclear power station liquid waste treatment system, it is characterized in that: device comprises waste liquid tank (1), mixer (12), charging pump (2), reverse osmosis unit (4), monitoring groove (5) and the emptying pump (6) of series connection successively.
2. the counter-infiltration boron enrichment facility for nuclear power station liquid waste treatment system according to claim 1, is characterized in that: the dense water out of described reverse osmosis unit (4) is connected by reverse osmosis concentrated water clean-up line and reverse osmosis concentrated water reflux pipeline respectively with waste liquid tank (1) through reverse osmosis concentrated water T-valve (14).
3. the counter-infiltration boron enrichment facility for nuclear power station liquid waste treatment system according to claim 2, is characterized in that: on the reverse osmosis concentrated water reflux pipeline that the dense water out of described reverse osmosis unit (4) is connected with waste liquid tank (1), be connected with dense water regulating valve (16) and heat interchanger (8).
4. the counter-infiltration boron enrichment facility for nuclear power station liquid waste treatment system according to claim 2, it is characterized in that: described mixer (12) is connected with reagent trough (11), between mixer (12) and reagent trough (11), be connected with volume pump (10), through mixer (12), in reverse osmosis produced water pipeline, inject alkaline reagent.
5. the counter-infiltration boron enrichment facility for nuclear power station liquid waste treatment system according to claim 1, is characterized in that: between described charging pump (2) and reverse osmosis unit (4), be provided with high-pressure pump (3).
6. according to claim 1 or 5 for the counter-infiltration boron enrichment facility of nuclear power station liquid waste treatment system, it is characterized in that: the product water out multiparity water T-valve (15) of described reverse osmosis unit (4) by reverse osmosis produced water, sends pipeline outside respectively and reverse osmosis produced water reflux pipeline is connected with waste liquid tank (1) with monitoring groove (5).
7. the counter-infiltration boron enrichment facility for nuclear power station liquid waste treatment system according to claim 4, it is characterized in that: described waste liquid tank (1) is connected with the outer comb line of concentrate, on the outer comb line of concentrate, be in series with concentrate and send valve (17) and concentrate pump (7) outside.
8. the counter-infiltration boron enrichment facility for nuclear power station liquid waste treatment system according to claim 1, is characterized in that: described monitoring groove (5) is connected with product water discharge pipeline, produces water discharge pipeline and is provided with emptying pump (6).
9. the counter-infiltration boron enrichment facility for nuclear power station liquid waste treatment system according to claim 1, is characterized in that: on described waste liquid tank (1), be provided with waste liquid tank well heater (9) and waste liquid tank liquid level gauge (18) and waste liquid tank conductivity meter (21); On described monitoring groove (5), be provided with monitoring groove liquid level gauge (19) and monitoring groove conductivity meter (20).
10. the counter-infiltration boron enrichment facility for nuclear power station liquid waste treatment system according to claim 7, is characterized in that: on the outer comb line of described reverse osmosis produced water pipeline, reverse osmosis concentrated water reflux pipeline, reverse osmosis concentrated water clean-up line and concentrate, be provided with electric heat tracing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420081532.8U CN203839061U (en) | 2014-02-25 | 2014-02-25 | Reverse osmosis boron concentrating device for waste liquid processing system of nuclear power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420081532.8U CN203839061U (en) | 2014-02-25 | 2014-02-25 | Reverse osmosis boron concentrating device for waste liquid processing system of nuclear power plant |
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| Publication Number | Publication Date |
|---|---|
| CN203839061U true CN203839061U (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420081532.8U Withdrawn - After Issue CN203839061U (en) | 2014-02-25 | 2014-02-25 | Reverse osmosis boron concentrating device for waste liquid processing system of nuclear power plant |
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| CN (1) | CN203839061U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871535A (en) * | 2014-02-25 | 2014-06-18 | 中国核电工程有限公司 | Reverse osmosis boron concentrating device for nuclear power plant chemical waste liquid treatment system |
| CN104810071A (en) * | 2015-04-16 | 2015-07-29 | 湖南桃花江核电有限公司 | Method and equipment for deep purifying of boron-containing radioactive waste liquid and recovery of boric acid |
-
2014
- 2014-02-25 CN CN201420081532.8U patent/CN203839061U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871535A (en) * | 2014-02-25 | 2014-06-18 | 中国核电工程有限公司 | Reverse osmosis boron concentrating device for nuclear power plant chemical waste liquid treatment system |
| CN103871535B (en) * | 2014-02-25 | 2016-08-31 | 中国核电工程有限公司 | A kind of reverse osmosis boron enrichment facility for liquid waste treatment system of nuclear power plant |
| CN104810071A (en) * | 2015-04-16 | 2015-07-29 | 湖南桃花江核电有限公司 | Method and equipment for deep purifying of boron-containing radioactive waste liquid and recovery of boric acid |
| CN104810071B (en) * | 2015-04-16 | 2017-02-22 | 湖南桃花江核电有限公司 | Method and equipment for deep purifying of boron-containing radioactive waste liquid and recovery of boric acid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140917 Effective date of abandoning: 20160831 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |