CN203033846U - Device for softening waste residues of circulating make-up water by reusing water lime in power plant - Google Patents
Device for softening waste residues of circulating make-up water by reusing water lime in power plant Download PDFInfo
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- CN203033846U CN203033846U CN 201220748170 CN201220748170U CN203033846U CN 203033846 U CN203033846 U CN 203033846U CN 201220748170 CN201220748170 CN 201220748170 CN 201220748170 U CN201220748170 U CN 201220748170U CN 203033846 U CN203033846 U CN 203033846U
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- water
- waste residue
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- purifying pool
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Abstract
The utility model provides a device for softening waste residues of circulating make-up water by reusing water lime in a power plant. The device comprises a pH (potential of hydrogen) value modifier metering system, a mechanical accelerated clarification tank, a concentration tank, a waste residue delivery pump and a desulfurization device, a discharge port of the pH value modifier metering system is connected with a feed port of the mechanical accelerated clarification tank, the pH value modifier metering system adds pH value modifiers into the mechanical accelerated clarification tank, the pH value of solution in the mechanical accelerated clarification tank ranges from 9.9 to 10.3, a discharge port of the mechanical accelerated clarification tank is connected with a feed port of the concentration tank, a discharge port of the concentration tank is connected with a feed port of the waste residue delivery pump, and a discharge port of the waste residue delivery pump is connected with a feed port of the desulfurization device. The softened waste residues are used as desulfurization agents, resources are saved, and environments are protected.
Description
Technical field
The utility model relates to the water softening processing technology field, relates in particular to a kind of device that reuses water lime softening method cycle for the treatment of make up water waste residue in the power plant.
Background technology
Power plant water is from mine groundwater, municipal middle water, sanitary sewage or trade effluent, has higher temporary hardness, the dirty salt that causes that the temporary hardness of water can make wherein dissolving, reaching the hypersaturated state post crystallization in system separates out, thereby be attached to heat exchanger surface and other local salt crust that forms, salt crust comprises calcium carbonate, calcium sulfate, Calucium Silicate powder etc., can cause bigger harm to equipment.In order to eliminate the temporary hardness of power plant water, stop the method for calcium carbonate scaling to mainly contain lime softening method, add acid system and add three kinds of Scale inhibitorss in the prior art, because the raw material lime wide material sources that lime softening method adopts, organism in the water, silicide, iron etc. all have minimizing, lime softening method to become in the more a kind of method of water softening process field application simultaneously.
In the prior art, the detailed process that lime softening method is eliminated temporary hardness is: the water source of power plant water is joined in the machinery acceleration stirring settling pond, to wherein adding lime, flocculation agent and coagulant aids, after the stirring water that obtains is imported the filter tank, in being input to the process in filter tank, neutralize to wherein adding acid, and add disinfection by chlorine dioxide; In the filter tank, adopt backwash water and backwash usefulness gas to clean, the water after cleaning is used for recirculated cooling water.
Yet the lime softening method of Cai Yonging can produce a large amount of waste residues in the prior art, prior art to the processing of the waste residue that produces generally be adopt that body refuse concentrates, landfill disposal after the centrifuge dehydration, yet this method has produced new secondary pollution source, and can cause the huge waste of calcium carbonate resource.
The utility model content
The purpose of this utility model is to provide a kind of device that reuses the waste residue of water lime softening method cycle for the treatment of make up water in the power plant, the device that adopts the utility model to provide can be used as sweetening agent with the waste residue that obtains, realize the recycling of waste residue, had the value of environmental protection.
The utility model provides a kind of device that reuses the waste residue of water lime softening method cycle for the treatment of make up water in the power plant, comprises pH value conditioning agent metering system, mechanical accelerating purifying pool, concentration basin, waste residue transferpump and desulfurizer;
The discharge port of the described pH value conditioning agent metering system described pH value conditioning agent metering system that links to each other with the opening for feed of mechanical accelerating purifying pool adds pH value conditioning agent in the described mechanical accelerating purifying pool, and the pH value that makes solution in the described mechanical accelerating purifying pool is 9.9 ~ 10.3;
The discharge port of described mechanical accelerating purifying pool links to each other with the opening for feed of described concentration basin;
The discharge port of described concentration basin links to each other with the opening for feed of described waste residue transferpump;
The discharge port of described waste residue transferpump links to each other with the opening for feed of described desulfurizer.
Preferably, be provided with pH value meter in the described mechanical accelerating purifying pool.
Preferably, the resistance of described waste residue transferpump is set to 0.6MPa ~ 1.2MPa.
Preferably, the internal diameter of described waste residue transferpump is 4.5mm ~ 6mm.
Preferably, exerting oneself of described waste residue transferpump is 70m
3/ h ~ 90m
3/ h.
Preferably, also comprise strainer, clean water basin and cooling tower;
The fluid inlet of described strainer links to each other with the water outlet of described mechanical accelerating purifying pool;
The water outlet of described strainer links to each other with the water-in of described clean water basin;
The water outlet of described clean water basin links to each other with the water-in of described cooling tower.
The utility model provides a kind of device that reuses the waste residue of water lime softening method cycle for the treatment of make up water in the power plant, comprises pH value conditioning agent metering system, mechanical accelerating purifying pool, concentration basin, waste residue transferpump and desulfurizer; The discharge port of the described pH value conditioning agent metering system described pH value conditioning agent metering system that links to each other with the opening for feed of mechanical accelerating purifying pool adds pH value conditioning agent in the described mechanical accelerating purifying pool, and the pH value that makes solution in the described mechanical accelerating purifying pool is 9.9 ~ 10.3; The discharge port of described mechanical accelerating purifying pool links to each other with the opening for feed of described concentration basin; The discharge port of described concentration basin links to each other with the opening for feed of described waste residue transferpump; The discharge port of described waste residue transferpump links to each other with the opening for feed of described desulfurizer.The device that the utility model provides adds pH value conditioning agent in the described mechanical accelerating purifying pool by pH value conditioning agent metering system, and the pH value of solution in the mechanical accelerating purifying pool is transferred to 9.9 ~ 10.3; To finish the mud that softens after handling again and be delivered in the concentration basin, handle the moisture of removing in the mud through the concentration and settlement of concentration basin, the waste residue that obtains will be delivered to desulfurizer by the waste residue transferpump, use as sweetening agent.The waste residue that the device that the utility model provides can obtain the softening cycle for the treatment of make up water of lime uses as sweetening agent, has saved resource, has protected environment.
Description of drawings
The structural representation of the device of the waste residue of water lime softening method cycle for the treatment of make up water in the recycling power plant that Fig. 1 provides for the utility model embodiment;
The device operational scheme synoptic diagram of the waste residue of water lime softening method cycle for the treatment of make up water in the recycling power plant that Fig. 2 provides for the utility model embodiment.
Embodiment
In order to make those skilled in the art understand the technical solution of the utility model better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
The utility model provides a kind of device that reuses water lime softening method cycle for the treatment of make up water waste residue in the power plant, comprises pH value conditioning agent metering system, mechanical accelerating purifying pool, concentration basin, waste residue transferpump and desulfurizer;
The discharge port of described pH value conditioning agent metering system links to each other with the opening for feed of mechanical accelerating purifying pool;
The discharge port of described mechanical accelerating purifying pool links to each other with the opening for feed of described concentration basin;
The discharge port of described concentration basin links to each other with the opening for feed of described waste residue transferpump;
The discharge port of described waste residue transferpump links to each other with the opening for feed of described desulfurizer.
Participate in Fig. 1, the waste residue of water lime softening method cycle for the treatment of make up water comprises that as the structural representation of sweetening agent device pH value conditioning agent metering system, mechanical accelerating purifying pool, strainer, clean water basin, cooling tower, concentration basin, waste residue transferpump, desulfurizer and circulation replenish the water source in the power plant that Fig. 1 provides for the utility model embodiment;
The waste residue of water lime softening method cycle for the treatment of make up water comprises pH value conditioning agent metering system as the device of sweetening agent in the power plant that the utility model provides, the discharge port of described pH value conditioning agent metering system links to each other with the opening for feed of described mechanical accelerating purifying pool, with thinking that mechanical accelerating purifying pool provides pH value conditioning agent, the pH value of the solution in the described mechanical accelerating purifying pool is transferred to 9.9 ~ 10.3;
In the present embodiment, the flow velocity of described pH value conditioning agent metering system is set to 172kg/h ~ 350kg/h, is preferably 185kg/h ~ 300kg/h;
And, the device that the utility model provides is used for power plant water soften when handling, and does not add flocculation agent and coagulant aids in described mechanical accelerating purifying pool, makes the waste residue after the processing be easy to dewater, thereby obtain the solid gypsum, can directly use as sweetening agent.
The waste residue of water lime softening method cycle for the treatment of make up water comprises mechanical accelerating purifying pool as the device of sweetening agent in the power plant that the utility model provides, in the present embodiment, pH value meter is set in described mechanical accelerating purifying pool, in order to the pH value of solution in the real-time measurement mechanical accelerating purifying pool, the pH value of controlling solution in the described mechanical accelerating purifying pool is 9.9 ~ 10.3; The utility model does not have special requirement to position and the quantity that described pH value meter arranges, and can realize solution in the mechanical accelerating purifying pool is carried out in real time, measures accurately and get final product; In the utility model, the discharge port of described mechanical accelerating purifying pool links to each other with the opening for feed of described concentration basin, in order to the mud in the mechanical accelerating purifying pool is discharged;
The waste residue of water lime softening method cycle for the treatment of make up water comprises concentration basin as the device of sweetening agent in the power plant that the utility model provides, and precipitates in order to the mud that mechanical accelerating purifying pool is transported, and obtaining can be as the waste residue of sweetening agent; In the utility model, the discharge port of described concentration basin links to each other with the opening for feed of described waste residue transferpump;
The waste residue of water lime softening method cycle for the treatment of make up water comprises the waste residue transferpump as the device of sweetening agent in the power plant that the utility model provides, and is transported to desulfurizer in order to the waste residue that concentration basin is transported, and uses as sweetening agent.In the utility model, the power that described waste residue transferpump provides waste residue to be delivered to desulfurizer, the resistance of ducting of described waste residue transferpump is the density that the resistance of ducting of fluming water multiply by waste residue;
In the present embodiment, described waste residue transferpump pipeline resistance can be 0.6MPa ~ 1.2MPa, is preferably 0.7MPa ~ 1.0MPa, more preferably 0.8MPa;
The utility model does not have special restriction to the material of described waste residue transferpump, size etc., adopts the material of transmission pump well known to those skilled in the art to get final product, and in the present embodiment, described waste residue transport pipe is preferably weldless steel tube;
In the present embodiment, the internal diameter of described waste residue transferpump can be 45mm ~ 65mm, preferred 45mm ~ 60mm;
In the utility model, the length of described waste residue transferpump is decided according to the distance of concentration basin and described desulfurizer, does not do special restriction at this;
In the present embodiment, exerting oneself of described waste residue transferpump can be 70m
3/ h ~ 90m
3/ h is preferably 75m
3/ h ~ 85m
3/ h, more preferably 80m
3/ h;
The waste residue of water lime softening method cycle for the treatment of make up water comprises desulfurizer as the device of sweetening agent in the power plant that the utility model provides, the opening for feed of described desulfurizer links to each other with the discharge port of described waste residue transferpump, the utility model does not have special restriction to described desulfurizer, adopts desulfurizer well known to those skilled in the art to get final product;
The utility model is in order to provide the circulation make up water, and the waste residue of water lime softening method cycle for the treatment of make up water preferably also comprises strainer, clean water basin and cooling tower as the device of sweetening agent in the described power plant;
The fluid inlet of described strainer links to each other with the water outlet of described mechanical accelerating purifying pool;
The water outlet of described strainer links to each other with the water-in of described clean water basin;
The water outlet of described clean water basin links to each other with the water-in of described cooling tower.
The utility model technique scheme is delivered to concentration basin with the solid mud in the mechanical accelerating purifying pool, and the waste residue after concentrating is directly as sweetening agent; Clarified liq in the described mechanical accelerating purifying pool is transported to strainer, the filtrate that obtains is stored in the clean water basin uses as the circulation make up water then.The waste residue of water lime softening method cycle for the treatment of make up water preferably also comprises strainer as the device of sweetening agent in the power plant that the utility model provides, the fluid inlet of described strainer links to each other with the water outlet of described mechanical accelerating purifying pool, in the utility model, after the lime softening method cycle for the treatment of is replenished the water source, solid mud sinks to the mechanical accelerating purifying pool bottom, and the water after softening is transported to strainer and filters; The utility model does not have special restriction to described strainer, adopts strainer well known to those skilled in the art to get final product; Present embodiment can adopt quartz sand filtration;
The waste residue of water lime softening method cycle for the treatment of make up water preferably also comprises clean water basin as the device of sweetening agent in the power plant that the utility model provides, the water-in of described clean water basin links to each other with the water outlet of described strainer, filtrate filtered is transported in the clean water basin and stores, as the circulation make up water;
The waste residue of water lime softening method cycle for the treatment of make up water preferably also comprises cooling tower as the device of sweetening agent in the power plant that the utility model provides, the water-in of described cooling tower links to each other with the water outlet of described clean water basin, and the water in the described clean water basin is transported to cooling tower and uses as the circulation make up water;
Sewage after cooling tower uses preferably enters in the mechanical accelerating purifying pool again, handles through softening, again as the circulation make up water; In the present embodiment, the water outlet of described cooling tower links to each other with the water-in of cooling tower return water pipe, and the water outlet of described cooling tower return water pipe links to each other with the water-in of described mechanical accelerating purifying pool.
Referring to Fig. 2, the device operational scheme synoptic diagram of the waste residue of water lime softening method cycle for the treatment of make up water in the recycling power plant that Fig. 2 provides for the utility model embodiment, below in conjunction with process flow diagram shown in Figure 2, the waste residue of the lime softening method cycle for the treatment of make up water that the utility model is provided is further detailed as the apparatus and method of sweetening agent:
The utility model replenishes the water source with in municipal middle water, sanitary sewage and the trade effluent one or more as circulation, lime is softening to be handled with carrying out in the additional water source adding of the described circulation mechanical accelerating purifying pool, by pH value conditioning agent metering system under the condition that does not add retardant and coagulant aids, in described mechanical accelerating purifying pool, add pH value conditioning agent, the softening pH value of handling mixing solutions of lime in the described mechanical accelerating purifying pool is transferred to 9.9 ~ 10.3, finish the softening processing to the additional water source that circulates; After leaving standstill the mud that obtains is delivered to concentration basin, carries out concentrating and precipitating, the solid precipitation that obtains is delivered to desulfurizer by the body refuse transferpump, use as sweetening agent;
The utility model is delivered to strainer with the water that obtains after mixing solutions leaves standstill in the mechanical accelerating purifying pool and filters, and the filtrate that obtains is delivered to clean water basin stores; The utility model is delivered to cooling tower as the circulation make up water with the water in the clean water basin; Again with the used sewage transport of cooling tower to mechanical accelerating purifying pool, handle through softening, use as the circulation make up water again.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments herein.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a device that reuses the waste residue of water lime softening method cycle for the treatment of make up water in the power plant comprises pH value conditioning agent metering system, mechanical accelerating purifying pool, concentration basin, waste residue transferpump and desulfurizer;
The discharge port of described pH value conditioning agent metering system links to each other with the opening for feed of mechanical accelerating purifying pool, described pH value conditioning agent metering system adds pH value conditioning agent in described mechanical accelerating purifying pool, the pH value that makes solution in the described mechanical accelerating purifying pool is 9.9 ~ 10.3;
The discharge port of described mechanical accelerating purifying pool links to each other with the opening for feed of described concentration basin;
The discharge port of described concentration basin links to each other with the opening for feed of described waste residue transferpump;
The discharge port of described waste residue transferpump links to each other with the opening for feed of described desulfurizer.
2. device according to claim 1 is characterized in that, is provided with pH value meter in the described mechanical accelerating purifying pool.
3. device according to claim 1 is characterized in that, the resistance of described waste residue transferpump is set to 0.6MPa ~ 1.2MPa.
4. device according to claim 1 is characterized in that, the internal diameter of described waste residue transferpump is 4.5mm ~ 6mm.
5. device according to claim 1 is characterized in that, exerting oneself of described waste residue transferpump is 70m
3/ h ~ 90m
3/ h.
6. device according to claim 1 is characterized in that, also comprises strainer, clean water basin and cooling tower;
The fluid inlet of described strainer links to each other with the water outlet of described mechanical accelerating purifying pool;
The water outlet of described strainer links to each other with the water-in of described clean water basin;
The water outlet of described clean water basin links to each other with the water-in of described cooling tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748170 CN203033846U (en) | 2012-12-31 | 2012-12-31 | Device for softening waste residues of circulating make-up water by reusing water lime in power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748170 CN203033846U (en) | 2012-12-31 | 2012-12-31 | Device for softening waste residues of circulating make-up water by reusing water lime in power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203033846U true CN203033846U (en) | 2013-07-03 |
Family
ID=48685983
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220748170 Expired - Lifetime CN203033846U (en) | 2012-12-31 | 2012-12-31 | Device for softening waste residues of circulating make-up water by reusing water lime in power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203033846U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104857831A (en) * | 2015-05-29 | 2015-08-26 | 唐山三友化工股份有限公司 | Preparation device and method for alkali residue liquid desulfurizing agent |
| CN110759523A (en) * | 2019-10-22 | 2020-02-07 | 上海铱钶环保科技有限公司 | Method and equipment for treating circulating cooling water by lime softening and ozone |
-
2012
- 2012-12-31 CN CN 201220748170 patent/CN203033846U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104857831A (en) * | 2015-05-29 | 2015-08-26 | 唐山三友化工股份有限公司 | Preparation device and method for alkali residue liquid desulfurizing agent |
| CN110759523A (en) * | 2019-10-22 | 2020-02-07 | 上海铱钶环保科技有限公司 | Method and equipment for treating circulating cooling water by lime softening and ozone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130703 |