CN105413762A - Output system and method for resin in cation regeneration tower of condensate polishing regeneration system - Google Patents
Output system and method for resin in cation regeneration tower of condensate polishing regeneration system Download PDFInfo
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- CN105413762A CN105413762A CN201510928762.2A CN201510928762A CN105413762A CN 105413762 A CN105413762 A CN 105413762A CN 201510928762 A CN201510928762 A CN 201510928762A CN 105413762 A CN105413762 A CN 105413762A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus therefor
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
Abstract
The invention discloses an output system and method for resin in a cation regeneration tower of a condensate polishing regeneration system. The output system comprises the cation resin regeneration tower, wherein a top exhaust port and an exhaust valve are arranged at the top of the regeneration tower, an upper water inlet and an upper water inlet valve are arranged on the side wall of the upper end of the regeneration tower, a gas inlet pipeline is connected onto a water inlet pipeline between a bottom water inlet valve and a bottom water inlet, a Roots blower is connected onto the gas inlet pipeline, and a Roots blower gas supply valve and a Roots blower gas exhaust valve are arranged on the gas inlet pipeline respectively. According to the system and the method, the resin in the cation regeneration tower of a cone regeneration system can be output completely, and resin residues at the bottom are avoided. The method can be implemented with conventional equipment, the regeneration water consumption is reduced, and 10-20 t of water can be saved for regeneration each time.
Description
Technical field
The invention belongs to water-treatment technology field, particularly resin output system and method in a kind of condensate polishing treatment regenerative system sun regenerator.
Background technology
Thermal power plant requires strict to water and steam quality, for guaranteeing water and steam quality, water-steam system arranges condensate polishing treatment demineralization plant and purifies condensate water, and precision processing demineralization plant can remove the pollutant such as foreign ion and TOC in condensate water, improve condensate water purity, guarantee water and steam quality.If in precision processing demineralization plant after efficiency lost resin, its desalination ability declines, and needs to carry out regeneration process, is delivered to mixed bed and continues to run after resin regeneration is qualified.
The common at present condensate polishing treatment regenerative system in thermal power plant is divided into high tower regenerative system and cone bucket regenerative system.In cone bucket regenerative system sun regenerator, resin exports technique is " Hydraulic transportation-pipe flushing ", and during conveying, flushing water enters mixed bed bottom mixed bed, makes the resin near regenerator bottom water cap to be output and to remain in positive regenerator.Containing negative resin in residual resin, in upper once regenerative process, cause the cross pollution of resin, degree of percent regeneration of resin is reduced, affects mixed-bed effluent quality, therefore need to guarantee that the resin in positive regenerator thoroughly exports.
In current cone bucket regenerative system sun regenerator, resin exports technique following shortcoming:
Adopt " Hydraulic transportation " technique, resin near bottom water cap cannot be loosened, cause resin to export not thorough.As will be improved resin transfer rate as far as possible, just need to extend time of delivery, causing water to consume increases.In the cone bucket regenerative system sun regenerator resin output technique of 600MW unit, the flow of flushing water is 60t/h, and extend 20 minutes time of deliveries, then many water loss are 20t.
Summary of the invention
The object of the invention is to propose resin output system and method in a kind of condensate polishing treatment regenerative system sun regenerator, by " Hydraulic transportation-discharge water-waterpower pulse+roots blower conveying " technique, can fast the resin near regenerator bottom water cap thoroughly be discharged.
To achieve these goals, technical scheme of the present invention is:
Resin output system in a kind of condensate polishing treatment regenerative system sun regenerator, comprise positive resin regenerator, described positive resin regenerator bottom bed body is a surface plate, bed body plane plate center is provided with resin outlet, bed body plane plate is uniformly distributed multiple bed body with water cap around resin outlet and enters, delivery port, described resin outlet is connected to precision processing mixed bed by row's fat pipeline and row's fat valve, described bed body enters, delivery port is communicated with the water storage arranged under bed body plane plate, water storage is respectively arranged with bottom water inlet and bottom discharge mouth, bottom water inlet connects inlet channel, inlet channel is provided with bottom inlet valve, bottom discharge mouth connects outlet conduit, outlet conduit is provided with bottom flowing water Valve, it is characterized in that, the top of regenerator is provided with top vent and drain tap, regenerator upper end sidewall is provided with top water inlet and top inlet valve, inlet channel between described bottom inlet valve and bottom water inlet is connected with an admission line, described admission line connects a roots blower, described admission line is respectively arranged with roots blower to supply gas valve and roots blower drain tap.
Scheme is further: described roots blower air inlet and air outlet are respectively arranged with pneumatic filter.
Resin output intent in a kind of condensate polishing treatment regenerative system sun regenerator is the method based on said system,
First: flowing water Valve bottom inlet valve, water storage bottom the drain tap of positive resin regenerator, top inlet valve, row's fat valve, water storage, roots blower, roots blower are supplied gas valve, are in closed condition; Roots blower drain tap is in open mode; When positive resin regenerates well; It is characterized in that:
The step that in described regenerator, resin exports is: inlet valve bottom the row's of opening fat valve, water storage, starts the flush water pump be connected with bottom inlet channel and is passed through arrange fat valve and arrange fat Cemented filling to precision processing mixed bed by resin in regenerator;
When flowing out without obvious resin in row's fat pipeline or arriving initial ejection time threshold:
Close the bottom inlet valve of flush water pump and water storage;
Open the drain tap that regenerator top is arranged, then the water emptying in regenerator and in water storage is closing by the bottom discharge mouth valve opened on water storage;
Start roots blower, after opening the initial air-supply time threshold of roots blower air delivery valve gate delay one, close roots blower drain tap;
Start the flush water pump be connected with top water inlet, open top inlet valve and close after 10 to 15 seconds, close after 30 seconds, then open top inlet valve in a pulsed fashion, until resin is all discharged in regenerator.
Scheme is further: described initial ejection time threshold is 1000 seconds to 1400 seconds, and described initial air-supply time threshold is 1600 seconds to 2000 seconds.
Scheme is further: it is under the condition of water inlet 16 liters/second that the mode of described pulse opens top inlet valve, opens top inlet valve 10 seconds, closes the mode of the top inlet valve pulse of 30 seconds.
Scheme is further: described flush water pump is connected with self-loopa pipe-line system.
Tool of the present invention has the following advantages:
(1) resin in the positive regenerator of cone bucket regenerative system can thoroughly export by this system and method, guarantees that bottom is without resin residue.
(2) the method does not need scrap build, utilizes existing equipment to implement.
(3) reduce recycled water consumption, each regeneration can using water wisely 10 ~ 20t.
Below in conjunction with drawings and Examples, invention is described in detail.
Accompanying drawing explanation
Fig. 1 is present system structural representation.
Detailed description of the invention
Owing to then have employed the water cap of low cost bottom positive regenerator, and resin exports the method adopting Hydraulic transportation in positive regenerator, bottom resin all cannot be rinsed well from the current ejected between water cap, this just causes the resin at dead angle between water cap to export, intaking bottom simultaneously during Hydraulic transportation holds up floating in bed body by part resin, and this part resin also will remain in positive regenerator.If adopt gas to carry out disturbance to resin, and then carry out conveying with water and will produce good conveying effect, how disturbance, how equipment is arranged, for this reason:
Embodiment 1:
Resin output system in a kind of condensate polishing treatment regenerative system sun regenerator, as shown in Figure 1: comprise positive resin regenerator 1, for prior art: described positive resin regenerator bottom bed body is a surface plate 101, bed body plane plate center is provided with resin outlet 102, bed body plane plate is uniformly distributed multiple bed body with water cap 103 around resin outlet and enters, delivery port, described resin outlet is connected to precision processing mixed bed by row's fat pipeline 2 and row's fat valve 3, described bed body enters, delivery port is communicated with the water storage 104 arranged under bed body plane plate, water storage is respectively arranged with bottom water inlet 105 and bottom discharge mouth 106, bottom water inlet connects inlet channel 107, inlet channel is provided with bottom inlet valve 108, bottom discharge mouth connects outlet conduit 109, outlet conduit is provided with bottom flowing water Valve 110, be unlike the prior art: the top of regenerator is provided with top vent 111, establish at exhaust outlet and connect drain tap 112, regenerator upper end sidewall is provided with top water inlet 113, with top inlet valve 114, inlet channel between described bottom inlet valve and bottom water inlet is connected with an admission line 115, described admission line connects a roots blower 4, described admission line is respectively arranged with roots blower to supply gas valve 401 and roots blower drain tap 402, wherein, inlet valve is connected with a flush water pump 5 with the water inlet of bottom inlet valve.
In embodiment: described roots blower can provide the wind of high pressure Wind Volume, its air inlet and air outlet are respectively arranged with pneumatic filter 403 and 404.
Embodiment 2:
Resin output intent in a kind of condensate polishing treatment regenerative system sun regenerator, be the method based on embodiment 1 system, therefore the content of embodiment 1 is also the content in the present embodiment; First: flowing water Valve 110 bottom inlet valve 108, water storage bottom the drain tap 112 of positive resin regenerator, top inlet valve 114, row's fat valve 3, water storage, roots blower 4, roots blower are supplied gas valve 401, are in closed condition; Roots blower drain tap 402 is in open mode; When positive resin regenerates well; The step that in described regenerator, resin exports is:
Inlet valve 108 bottom the row's of opening fat valve 3 and water storage, starts the flush water pump 5 is connected with bottom inlet channel and passes through resin in regenerator to arrange fat valve 3 and arrange fat pipeline 2 and be delivered to precision processing mixed bed;
When flowing out (can, by observing, be manual operation) without obvious resin or arrive initial ejection time threshold in row's fat pipeline (automatic operation):
Close the bottom inlet valve 108 of flush water pump 5 and water storage;
Open the drain tap 112 that regenerator top is arranged, then the water emptying in regenerator and in water storage 104 is closing by the bottom discharge mouth valve 110 opened on water storage;
Start roots blower 4, open roots blower and supply gas after valve 401 postpones an initial air-supply time threshold, close roots blower drain tap 402, this process is used for the cleaning to admission line 115;
Start the flush water pump 5 be connected with top water inlet, open top inlet valve 114 time delay and close after 10 to 15 seconds, close after 30 seconds, then open top inlet valve 114 in a pulsed fashion, until resin is all discharged in regenerator.
In side's embodiment: described initial ejection time threshold is 1000 seconds to 1400 seconds, and described initial air-supply time threshold is 1600 seconds to 2000 seconds.
In embodiment: it is under the condition of water inlet 16 liters/second that the mode of described pulse opens top inlet valve, opens top inlet valve 10 seconds, close the mode of the top inlet valve pulse of 30 seconds.
In embodiment: described flush water pump 5 is connected with self-loopa pipe-line system, self-loopa pipe-line system comprises a water tank 6, the water inlet of water tank connects water source 7, water tank delivery port connects flush water pump 5, the circulating water intake of water tank is communicated with bottom inlet valve 108 with top inlet valve 114 respectively by a pressure limiting valve 8, when flush water pump 5 is opened, when top inlet valve 114 and bottom inlet valve 108 Close All, pressure limiting valve 8 is fetched boiling water to reflux and is formed self-loopa by the pressure raised in pipe.
Above-described embodiment scheme resin in cone bucket system sun regenerator is exported technique adjust, and is " Hydraulic transportation-discharge water-waterpower pulse+roots blower conveying " technique by current " Hydraulic transportation " technique adjustment.First adopt the mode of bottom water inlet, in " Hydraulic transportation " 1200 seconds Zhiyang regenerators, most of resin transfer is to mixed bed, then water in positive regenerator is drained, startup roots blower faces south, and regenerator is interior to ventilate, and passes into resin in flushing water 10 seconds Zhiyang regenerators simultaneously thoroughly export every 30 seconds from positive regenerator top.
Claims (6)
1. resin output system in condensate polishing treatment regenerative system sun regenerator, comprise positive resin regenerator, described positive resin regenerator bottom bed body is a surface plate, bed body plane plate center is provided with resin outlet, bed body plane plate is uniformly distributed multiple bed body with water cap around resin outlet and enters, delivery port, described resin outlet is connected to precision processing mixed bed by row's fat pipeline and row's fat valve, described bed body enters, delivery port is communicated with the water storage arranged under bed body plane plate, water storage is respectively arranged with bottom water inlet and bottom discharge mouth, bottom water inlet connects inlet channel, inlet channel is provided with bottom inlet valve, bottom discharge mouth connects outlet conduit, outlet conduit is provided with bottom flowing water Valve, it is characterized in that, the top of regenerator is provided with top vent and drain tap, regenerator upper end sidewall is provided with top water inlet and top inlet valve, inlet channel between described bottom inlet valve and bottom water inlet is connected with an admission line, described admission line connects a roots blower, described admission line is respectively arranged with roots blower to supply gas valve and roots blower drain tap.
2. resin output system according to claim 1, is characterized in that, described roots blower air inlet and air outlet are respectively arranged with pneumatic filter.
3. resin output intent in condensate polishing treatment regenerative system sun regenerator, is the method based on system described in claim 1,
First: flowing water Valve bottom inlet valve, water storage bottom the drain tap of positive resin regenerator, top inlet valve, row's fat valve, water storage, roots blower, roots blower are supplied gas valve, are in closed condition; Roots blower drain tap is in open mode; When positive resin regenerates well; It is characterized in that:
The step that in described regenerator, resin exports is: inlet valve bottom the row's of opening fat valve, water storage, starts the flush water pump be connected with bottom inlet channel and is passed through arrange fat valve and arrange fat Cemented filling to precision processing mixed bed by resin in regenerator;
When flowing out without obvious resin in row's fat pipeline or arriving initial ejection time threshold:
Close the bottom inlet valve of flush water pump and water storage;
Open the drain tap that regenerator top is arranged, then the water emptying in regenerator and in water storage is closing by the bottom discharge mouth valve opened on water storage;
Start roots blower, after opening the initial air-supply time threshold of roots blower air delivery valve gate delay one, close roots blower drain tap;
Start the flush water pump be connected with top water inlet, open top inlet valve and close after 10 to 15 seconds, close after 30 seconds, then open top inlet valve in a pulsed fashion, until resin is all discharged in regenerator.
4. method according to claim 3, it is characterized in that, described initial ejection time threshold is 1000 seconds to 1400 seconds, and described initial air-supply time threshold is 1600 seconds to 2000 seconds.
5. method according to claim 3, it is characterized in that, it is under the condition of water inlet 16 liters/second that the mode of described pulse opens top inlet valve, opens top inlet valve 10 seconds, closes the mode of the top inlet valve pulse of 30 seconds.
6. method according to claim 3, it is characterized in that, described flush water pump is connected with self-loopa pipe-line system.
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| CN201510928762.2A CN105413762B (en) | 2015-12-15 | 2015-12-15 | Resin output system and method in condensate polishing treatment regenerative system sun regenerator |
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| CN201510928762.2A CN105413762B (en) | 2015-12-15 | 2015-12-15 | Resin output system and method in condensate polishing treatment regenerative system sun regenerator |
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| CN105413762A true CN105413762A (en) | 2016-03-23 |
| CN105413762B CN105413762B (en) | 2018-08-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113413930A (en) * | 2021-06-21 | 2021-09-21 | 西安热工研究院有限公司 | Long-distance conveying method and system for condensate fine-processing resin |
| CN113941375A (en) * | 2021-11-03 | 2022-01-18 | 江苏核电有限公司 | Positive bed regeneration method and device for condensate fine treatment system of nuclear power station |
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| US5776340A (en) * | 1996-01-26 | 1998-07-07 | Hydromatix Inc. | Apparatus for minimizing wastewater discharge |
| CN103693713A (en) * | 2013-12-24 | 2014-04-02 | 华电国际电力股份有限公司山东分公司 | Condensate fine treatment high-temperature running system having heat supply and pure condensation modes |
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2015
- 2015-12-15 CN CN201510928762.2A patent/CN105413762B/en active Active
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| US5776340A (en) * | 1996-01-26 | 1998-07-07 | Hydromatix Inc. | Apparatus for minimizing wastewater discharge |
| CN103693713A (en) * | 2013-12-24 | 2014-04-02 | 华电国际电力股份有限公司山东分公司 | Condensate fine treatment high-temperature running system having heat supply and pure condensation modes |
Non-Patent Citations (2)
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| 刘英旭: "凝结水精处理树脂传送技术", 《热力发电》 * |
| 张建鹏等: "滦河电厂凝结水精处理系统树脂分离塔阳树脂传脂问题探讨", 《热力发电》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113413930A (en) * | 2021-06-21 | 2021-09-21 | 西安热工研究院有限公司 | Long-distance conveying method and system for condensate fine-processing resin |
| CN113941375A (en) * | 2021-11-03 | 2022-01-18 | 江苏核电有限公司 | Positive bed regeneration method and device for condensate fine treatment system of nuclear power station |
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