CN204384927U - A kind ofly just wash draining recovery system for heat power plant boiler supplementary feed ion-exchange salt removing system - Google Patents
A kind ofly just wash draining recovery system for heat power plant boiler supplementary feed ion-exchange salt removing system Download PDFInfo
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- CN204384927U CN204384927U CN201420781395.9U CN201420781395U CN204384927U CN 204384927 U CN204384927 U CN 204384927U CN 201420781395 U CN201420781395 U CN 201420781395U CN 204384927 U CN204384927 U CN 204384927U
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Abstract
The utility model relates to a kind ofly just washes draining recovery system for heat power plant boiler supplementary feed ion-exchange salt removing system, compared with prior art solves the defect that the process of just washing draining exists water resource waste.Ultrafiltration of the present utility model is produced water tank is connected to and is just washed draining and reclaim female pipe, and just washing water shoot A, just washing water shoot B and just washing water shoot C and access respectively and just washing draining and reclaim female pipe, the pipe outlet of blow-off pipe A, blow-off pipe B and blow-off pipe C all accesses trench.The utility model is recycled to the reuse of ultrafiltration product water tank by just washing draining in ion-exchange salt removing system, reduce the water withdrawal of boiler feed water system fresh water, decrease the quantity discharged of regenerative wastewater, and thus reduce medicine consumption and the energy consumption at Industrial Wastewater Treatment station, reach water saving, energy-conservation object.
Description
Technical field
The utility model relates to supplementary feed ion-exchange salt removing system technical field, a kind ofly specifically just washes draining recovery system for heat power plant boiler supplementary feed ion-exchange salt removing system.
Background technology
In power plant runs, the more employing pro desalting of boiler feed water system adds desalting system, the ultrafiltration that wherein pro desalting system generally adopts adds reverse osmosis process, add anion exchanger at desalting system cationic interchanger and add the treatment process of mixed ion exchanger because its effluent quality is good, system run all right, thus be widely used.Ion-exchange salt removing system regenerative process is generally divided into small reverse washing, backwash, displacement cleaning, littlely just wash, some steps such as just to wash.In current ion-exchange salt removing system, the waste water produced in above-mentioned steps generally drains into regenerative wastewater storage pool by the mode of trench, and then is transferred to Industrial Wastewater Treatment station by waste water pump and processes.It not only causes the waste of water resources, also add chemical feeding quantity and the energy consumption at Industrial Wastewater Treatment station, adds working cost.In fact, what ion-exchanger regeneration was just washing that draining adopts is the product water of reverse osmosis system, and just washing generally little just washing into after carry out, now just washing Treating Suspended Matters in Water Drained and saltiness is all lower, water quality is better, can carry out recoverys use conditionally.How to develop a kind of draining recovery system of just washing being directed to ion-exchange salt removing system and become the technical problem being badly in need of solving.
Utility model content
The purpose of this utility model is the defect that there is water resource waste in order to solve the process of just washing draining in prior art, provides a kind of draining recovery system of just washing for heat power plant boiler supplementary feed ion-exchange salt removing system to solve the problems referred to above.
To achieve these goals, the technical solution of the utility model is as follows:
A kind ofly just wash draining recovery system for heat power plant boiler supplementary feed ion-exchange salt removing system, comprise cation exchanger, anion exchanger, mixed ion exchanger, ultrafiltration product water tank and trench, described ultrafiltration is produced on water tank and is connected to reverse osmosis feedwater pump, described cation exchanger is connected to and is just washing water shoot A, just washing on water shoot A and PH Table A, blow-off pipe A and control valve A are being installed successively, blow-off pipe A is being provided with valve A; Described anion exchanger is connected to and is just washing water shoot B, just washing on water shoot B and PH table B, blow-off pipe B and control valve B are installed successively, blow-off pipe B is being provided with valve B; Described mixed ion exchanger is connected to and is just washing water shoot C, just washing on water shoot C and PH table C, blow-off pipe C and control valve C are installed successively, blow-off pipe C is being provided with valve C;
Described ultrafiltration is produced water tank is connected to and is just washed draining and reclaim female pipe, and just washing water shoot A, just washing water shoot B and just washing water shoot C and access respectively and just washing draining and reclaim female pipe, the pipe outlet of blow-off pipe A, blow-off pipe B and blow-off pipe C all accesses trench.
Described control valve A, control valve B and control valve C are Pneumatic butterfly valve, and described valve A, valve B and valve C are pneumatic diaphragm valve.
Also comprise master control valve, master control valve is arranged on just to be washed draining to reclaim female pipe upper and be positioned at the entrance place that water tank is produced in ultrafiltration.
beneficial effect
Of the present utility modelly a kind ofly just wash draining recovery system for heat power plant boiler supplementary feed ion-exchange salt removing system, compared with prior art be recycled to the reuse of ultrafiltration product water tank by just washing draining in ion-exchange salt removing system, reduce the water withdrawal of boiler feed water system fresh water, decrease the quantity discharged of regenerative wastewater, and thus reduce medicine consumption and the energy consumption at Industrial Wastewater Treatment station, reach water saving, energy-conservation object.The utility model decreases the consumption of the fresh water of boiler feed water system on the one hand, reduces medicine consumption and the energy consumption at Industrial Wastewater Treatment station on the other hand.The utility model does not newly increase treatment facility, and designed by means of only PH table, pipeline and valve combination, its structure is simple, cost investment is little, result of use is remarkable, suitable for large-scale promotion and application.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model
Wherein, water tank is produced in 1-cation exchanger, 2-anion exchanger, 3-mixed ion exchanger, 4-ultrafiltration, 5-trench, 6-are just washing that female pipe is reclaimed in draining, 7-is just washing water shoot A, 8-and just washing that water shoot B, 9-are just washing water shoot C, 10-blow-off pipe A, 11-blow-off pipe B, 12-blow-off pipe C, 13-control valve A, 14-control valve B, 15-control valve C, 16-master control valve, 17-valve A, 18-valve B, 19-valve C, 20-PH Table A, 21-PH show B, 22-PH and show C, 23-reverse osmosis feedwater pump.
Embodiment
For making to have a better understanding and awareness constitutional features of the present utility model and effect of reaching, coordinating detailed description in order to preferred embodiment and accompanying drawing, being described as follows:
As shown in Figure 1, described in the utility modelly a kind ofly just wash draining recovery system for heat power plant boiler supplementary feed ion-exchange salt removing system, comprise cation exchanger 1, anion exchanger 2, mixed ion exchanger 3, ultrafiltration product water tank 4 and trench 5, trench 5 to regenerative wastewater storage pool for sewage effluent, then is transferred to Industrial Wastewater Treatment station by waste water pump and processes.Ultrafiltration is produced on water tank 4 and is connected to reverse osmosis feedwater pump 23, and the ultrafiltration water produced in water tank 4 enters reverse osmosis system by reverse osmosis feedwater pump 23 and uses.
Cation exchanger 1 is connected to and is just washing water shoot A7, just washing on water shoot A7 and PH Table A 20, blow-off pipe A10 and control valve A13 are being installed successively, PH Table A 20 is for monitoring the change of just washing and just washing pH value in draining in water shoot A7, control valve A13 is used for break-make and is just washing water shoot A7, blow-off pipe A10 is used for blowdown, just washing on water shoot A7 by T joint, its pipe outlet access trench 5, for draining into trench 5 by the sewage just washed in water shoot A7.Blow-off pipe A10 is provided with valve A17, for the break-make of control of sewage disposal pipe A10.Anion exchanger 2 is connected to and is just washing water shoot B8, just washing on water shoot B8 and PH table B21, blow-off pipe B11 and control valve B14 are being installed successively, equally, PH shows B21 for monitoring the change of just washing and just washing pH value in draining in water shoot B8, control valve B14 is used for break-make and is just washing water shoot B8, blow-off pipe B11 is used for blowdown, its pipe outlet access trench 5.Blow-off pipe B11 is provided with valve B18, for the break-make of control of sewage disposal pipe B11.Mixed ion exchanger 3 is connected to and is just washing water shoot C9, just washing on water shoot C9 and PH table C22, blow-off pipe C12 and control valve C15 are being installed successively, PH shows C22 for monitoring the change of just washing and just washing pH value in draining in water shoot C9, control valve C15 is used for break-make and is just washing water shoot C9, blow-off pipe C12 is used for blowdown, its pipe outlet access trench 5.Blow-off pipe C12 is provided with valve C19, for the break-make of control of sewage disposal pipe C12.
Ultrafiltration is produced water tank 4 is connected to and is just washed draining and reclaim female pipe 6, is just washing draining and is reclaiming female pipe 6 and just washing draining and produce water tank 4 for collecting recovery to ultrafiltration.Just washing water shoot A7, just washing water shoot B8 and just washing water shoot C9 and access respectively and just washing draining and reclaim female pipe 6, thus the draining of just washing that can reclaim is recovered into ultrafiltration and produces water tank 4.
In order to control recovery system more easily, control valve A13, control valve B14 and control valve C15 are Pneumatic butterfly valve, and such PH Table A 20, PH show B21 or PH table C22 can according to the break-make of signal Long-distance Control control valve A13, control valve B14 or control valve C15.In like manner, valve A17, valve B18 and valve C19 are pneumatic diaphragm valve, like this can the break-make of by-pass valve control A17, valve B18 and valve C19 more easily.For the ease of daily control and later maintenance, master control valve 16 can also be comprised.Master control valve 16 is arranged on just to be washed draining and to reclaim on female pipe 6 and to be positioned at the entrance place that water tank 4 is produced in ultrafiltration, and by the control of master control valve 16, direct control is just being washed draining and whether entered ultrafiltration and produce water tank 4, and certain master control valve 16 also can be Pneumatic butterfly valve.
When reality uses, when ion-exchange salt removing system normally runs, control valve A13, control valve B14 and control valve C15 and valve A17, valve B18, valve C19 and master control valve 16 are all in closing condition.
When cation exchanger 1 regenerative process proceeds to just wash the stage, according to the detection signal of PH Table A 20, determine the break-make of control valve A13, master control valve 16 and valve A17.When the pH value of just washing draining is in allowed band, (scope of pH is relevant to the inflow requirement of reverse osmosis, flow etc., can be determined by debugging before putting into operation), opening controlling valve A13, master control valve 16, valve-off A17, then the draining of just washing of cation exchanger is reclaimed female pipe 6 and is delivered to ultrafiltration by just washing draining and produce water tank 4 reuse, realizes the recovery of cation exchanger just being washed to draining; When the pH value of just washing draining is abnormal, Open valve A17, closed control valve A13, master control valve 16, cation exchanger is just being washed draining and is then being drained into trench 5 by blow-off pipe A10.
When anion exchanger 2 regenerative process proceeds to just wash the stage, show the detection signal of B21 according to PH, determine the break-make of control valve B14, master control valve 16 and valve B18.When the pH value of just washing draining is in allowed band, (scope of pH is relevant to the inflow requirement of reverse osmosis, flow etc., can be determined by debugging before putting into operation), opening controlling valve B14, master control valve 16, valve-off B18, then the draining of just washing of anion exchanger is reclaimed female pipe 6 and is delivered to ultrafiltration by just washing draining and produce water tank 4 reuse, realizes the recovery of anion exchanger just being washed to draining; When the pH value of just washing draining is abnormal, Open valve B18, closed control valve B14, master control valve 16, anion exchanger is just being washed draining and is then being drained into trench 5 by blow-off pipe B11.
When mixed ion exchanger 3 regenerative process proceeds to just wash the stage, show the detection signal of C22 according to PH, determine the break-make of control valve C15, master control valve 16 and valve C19.When the pH value of just washing draining is in allowed band, (scope of pH is relevant to the inflow requirement of reverse osmosis, flow etc., can be determined by debugging before putting into operation), opening controlling valve C15, master control valve 16, valve-off C19, then the draining of just washing of mixed ion exchanger is reclaimed female pipe 6 and is delivered to ultrafiltration by just washing draining and produce water tank 4 reuse, realizes the recovery of mixed ion exchanger just being washed to draining; When the pH value of just washing draining is abnormal, Open valve C19, closed control valve C15, master control valve 16, mixed ion exchanger is just being washed draining and is then being drained into trench 5 by blow-off pipe C12.
During ion-exchange salt removing system regeneration, cation exchanger 1 and anion exchanger 2 can regenerate separately (piping-main scheme) or regenerate (unit style) simultaneously, mixed ion exchanger 3 regenerates separately, corresponding, control valve A13, control valve B14, control valve C15 and master control valve 16 can be opened simultaneously or open separately, but when control valve A13, control valve B14, control valve C15 have one to open, master control valve 16 just needs to open.The valvular make-break operation of institute by pH table meter detection signal Long-distance Control in watch-keeping cubicle, without the need to human attendance, can realize Automated condtrol.
More than show and describe ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; the just principle of the present utility model described in above-described embodiment and specification sheets; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall in claimed scope of the present utility model.The protection domain that the utility model requires is defined by appending claims and equivalent thereof.
Claims (3)
1. just wash draining recovery system for heat power plant boiler supplementary feed ion-exchange salt removing system for one kind, comprise cation exchanger (1), anion exchanger (2), mixed ion exchanger (3), water tank (4) and trench (5) are produced in ultrafiltration, described ultrafiltration is produced on water tank (4) and is connected to reverse osmosis feedwater pump (23), it is characterized in that: described cation exchanger (1) is connected to and just washes water shoot A(7), just washing water shoot A(7) on PH Table A (20) is installed successively, blow-off pipe A(10) and control valve A(13), blow-off pipe A(10) on valve A(17 is installed), described anion exchanger (2) is connected to and just washes water shoot B(8), just washing water shoot B(8) on be provided with successively PH show B(21), blow-off pipe B(11) and control valve B(14), blow-off pipe B(11) on valve B(18 is installed), described mixed ion exchanger (3) is connected to and just washes water shoot C(9), just washing water shoot C(9) on be provided with successively PH show C(22), blow-off pipe C(12) and control valve C(15), blow-off pipe C(12) on valve C(19 is installed),
Described ultrafiltration product water tank (4) is connected to and just washes the female pipe (6) of draining recovery, just washing water shoot A(7), just wash water shoot B(8) and just washing water shoot C(9) access respectively and just wash draining and reclaim female pipe (6), blow-off pipe A(10), blow-off pipe B(11) and blow-off pipe C(12) pipe outlet all access trench (5).
2. according to claim 1ly a kind ofly just wash draining recovery system for heat power plant boiler supplementary feed ion-exchange salt removing system, it is characterized in that: described control valve A(13), control valve B(14) and control valve C(15) be Pneumatic butterfly valve, described valve A(17), valve B(18) and valve C(19) be pneumatic diaphragm valve.
3. according to claim 1ly a kind ofly just wash draining recovery system for heat power plant boiler supplementary feed ion-exchange salt removing system, it is characterized in that: also comprise master control valve (16), master control valve (16) is arranged on just to be washed draining to reclaim female pipe (6) upper and be positioned at the entrance place that water tank (4) is produced in ultrafiltration.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420781395.9U CN204384927U (en) | 2014-12-12 | 2014-12-12 | A kind ofly just wash draining recovery system for heat power plant boiler supplementary feed ion-exchange salt removing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420781395.9U CN204384927U (en) | 2014-12-12 | 2014-12-12 | A kind ofly just wash draining recovery system for heat power plant boiler supplementary feed ion-exchange salt removing system |
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| CN204384927U true CN204384927U (en) | 2015-06-10 |
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| CN201420781395.9U Active CN204384927U (en) | 2014-12-12 | 2014-12-12 | A kind ofly just wash draining recovery system for heat power plant boiler supplementary feed ion-exchange salt removing system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109331887A (en) * | 2018-10-11 | 2019-02-15 | 华电电力科学研究院有限公司 | A kind of regenerated anions and canons exchanger regenerated acid and alkali waste water sub-prime in vivo collects the technique and system of reuse |
| CN111001445A (en) * | 2019-12-26 | 2020-04-14 | 华电电力科学研究院有限公司 | System and method for recycling weak acid cation bed regeneration wastewater of thermal power plant according to quality |
| CN112811655A (en) * | 2020-12-29 | 2021-05-18 | 逸盛大化石化有限公司 | Waste water recycling system discharged from desalted water station |
-
2014
- 2014-12-12 CN CN201420781395.9U patent/CN204384927U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109331887A (en) * | 2018-10-11 | 2019-02-15 | 华电电力科学研究院有限公司 | A kind of regenerated anions and canons exchanger regenerated acid and alkali waste water sub-prime in vivo collects the technique and system of reuse |
| CN111001445A (en) * | 2019-12-26 | 2020-04-14 | 华电电力科学研究院有限公司 | System and method for recycling weak acid cation bed regeneration wastewater of thermal power plant according to quality |
| CN112811655A (en) * | 2020-12-29 | 2021-05-18 | 逸盛大化石化有限公司 | Waste water recycling system discharged from desalted water station |
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