CN209178076U - A kind of recirculated water high concentration ratio system of simple economy - Google Patents
A kind of recirculated water high concentration ratio system of simple economy Download PDFInfo
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- CN209178076U CN209178076U CN201821878167.8U CN201821878167U CN209178076U CN 209178076 U CN209178076 U CN 209178076U CN 201821878167 U CN201821878167 U CN 201821878167U CN 209178076 U CN209178076 U CN 209178076U
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- recirculated water
- cooling tower
- outlet
- nitrifier
- water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The utility model discloses a kind of recirculated water high concentration ratio systems of simple economy, including recirculated water supplement pipeline, cooling tower, nutritional agents dosing system, nitrifier domestication dosing system and recirculated water condenser and subsidiary engine heat-exchange system；Recirculated water supplement pipeline is connected with the water inlet of cooling tower, the bottom of cooling tower is provided with flexible filler, the outlet of nutritional agents dosing system is connected with the entrance of nitrifier domestication dosing system, the outlet of nitrifier domestication dosing system is connected with the entrance of flexible filler, the circulating-pump outlet at cooling tower bottom is connected with the entrance of recirculated water condenser and subsidiary engine heat-exchange system, the outlet of recirculated water condenser and subsidiary engine heat-exchange system is connected with the water return outlet of cooling tower, the system can be improved the concentration rate of recirculated water, structure is simple, it is easy to operate, it is at low cost.
Description
Technical field
The utility model belongs to recirculated water high concentration ratio system, and in particular to a kind of recirculated water of simple economy is highly enriched
Multiplying power system.
Background technique
Currently, most of circulating cooling type electric power plant circulating water condenser and subsidiary engine heat exchange tubing material be generally 316 or
316L stainless steel or even part electric power plant circulating water condenser and subsidiary engine heat exchange tubing material are 317 or 317L stainless steel.According to
" condenser of power plant and the selection of subsidiary engine cooler tube " (DL/T 712-2010), 316 and 316L stainless steel, recirculated water Cl-Concentration
Control≤1000mg/L；317 and 317L stainless steel, recirculated water Cl-Concentration control≤2000mg/L.
Circulating cooling type power plant cooling tower supplement water is largely surface water, and small part is middle water and underground water.Surface water
With underground water Cl-Concentration is generally below 100mg/L, water Cl in part-Concentration is also less than 100mg/L, from Cl-Heat exchanging tubing
From the point of view of corroding angle, recirculated water concentration rate be can be improved to 10 times or more.But generally about 3~6 times of actual cycle water concentration rate,
This is mainly due to basicity and Ca2+Fouling limits the raising of concentration rate.
Power plant generally passes through construction circulating water system pretreatment system, as lime coagulation clarification, Subacidity cation are handed over
The techniques such as resin are changed, by reducing circulating water system basicity, circulation alkalinity of water is reduced, improves concentration rate.But lime is mixed
Solidifying clarification system civilwork engineering quantity is big, take up a large area, be transformed that the period is long, investment is high, operating cost height, and has sludge to be difficult to locate
The problem of setting；Weak-acid cation-exchange resin technique generates regenerative wastewater with high salt, and processing difficulty is big, at high cost.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts provides a kind of recirculated water of simple economy
High concentration ratio system, the system can be improved the concentration rate of recirculated water, and structure is simple, easy to operate, at low cost.
In order to achieve the above objectives, the recirculated water high concentration ratio system of simple economy described in the utility model includes circulation
Water supplements pipeline, cooling tower, nutritional agents dosing system, nitrifier domestication dosing system and recirculated water condenser and subsidiary engine heat exchange system
System；Recirculated water supplement pipeline is connected with the water inlet of cooling tower, and the bottom of cooling tower is provided with flexible filler, and nutritional agents adds
The outlet of system is connected with the entrance of nitrifier domestication dosing system, and nitrifier tames outlet and the flexible filler of dosing system
Entrance be connected, the circulating-pump outlet at cooling tower bottom is connected with the entrance of recirculated water condenser and subsidiary engine heat-exchange system,
The outlet of recirculated water condenser and subsidiary engine heat-exchange system is connected with the water return outlet of cooling tower.
It further include controller, recirculated water pH monitoring system and recirculated water bypath filter system, wherein recirculated water bypath filter
The entrance of system is connected with the circulating-pump outlet at cooling tower bottom, and the outlet of recirculated water bypath filter system and recirculated water pH are supervised
The water return outlet of examining system and cooling tower is connected, and recirculated water pH monitors the control terminal of the output end of system, nutritional agents dosing system
And the control terminal of nitrifier domestication dosing system is connected with controller.In addition, flexible filler is porous structure.
The utility model has the following beneficial effects:
The recirculated water high concentration ratio system of simple economy described in the utility model passes through nitrifier when specific operation
It tames dosing system and carries out the culture of nitrifier, then the nitrifier of culture is put into recirculated water, recycled by nitrifier
Nitration reaction occurs in water, to generate H+, H+It reacts with the alkali in recirculated water, to consume the basicity of recirculated water, prevents circulation
Water fouling, and then the concentration rate of recirculated water is improved, the water of circulating water system and sewerage is greatly decreased, structure is simple,
It is easy to operate, it is at low cost, when being transformed according to the utility model to existing circulation, it need to only increase on the basis of original
Add nitrifier domestication dosing system and nutritional agents dosing system, improvement cost is low, and does not influence power plant's normal operation.
Further, nitrobacteria is autotroph, is not necessarily to add carbon source in nutritional agents, therefore it is organic to reduce recirculated water
While object concentration, the stability of circulation operation is improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Wherein, 1 it is cooling tower, 2 be flexible filler, 3 be nitrifier domestication dosing system, 4 is nutritional agents dosing system, 5
It is recirculated water bypath filter system for recirculated water condenser and subsidiary engine heat-exchange system, 6,7 is that recirculated water pH monitors system.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
With reference to Fig. 1, the recirculated water high concentration ratio system of simple economy described in the utility model includes recirculated water supplement
Pipeline, cooling tower 1, nutritional agents dosing system 4, nitrifier domestication dosing system 3 and recirculated water condenser and subsidiary engine heat-exchange system
5；Recirculated water supplement pipeline is connected with the water inlet of cooling tower 1, and the bottom of cooling tower 1 is provided with flexible filler 2, and nutritional agents is thrown
Adding system 4 outlet with nitrifier domestication dosing system 3 entrance be connected, nitrifier domestication dosing system 3 outlet with it is soft
The entrance of property filler 2 is connected, and the circulating-pump outlet of 1 tower bottom of cooling tower and recirculated water condenser and subsidiary engine heat-exchange system 5 enter
Mouth is connected, and the outlet of recirculated water condenser and subsidiary engine heat-exchange system 5 is connected with the water return outlet of cooling tower 1.
The utility model further includes controller, recirculated water pH monitoring system 7 and recirculated water bypath filter system 6, wherein is followed
The entrance of ring water bypath filter system 6 is connected with the circulating-pump outlet of 1 tower bottom of cooling tower, recirculated water bypath filter system 6
It exports and is connected with the recirculated water pH water return outlet for monitoring system 7 and cooling tower 1, recirculated water pH monitors the output end of system 7, nutrition
The control terminal of agent dosing system 4 and the control terminal of nitrifier domestication dosing system 3 are connected with controller.In addition, flexible filler 2
For porous structure.
The specific work process of the utility model are as follows:
The recirculated water of 1 bottom of cooling tower enters recirculated water condenser and subsidiary engine through the circulating-pump outlet of 1 tower bottom of cooling tower
The recirculated water that heat-exchange system 5 and recirculated water bypath filter system 6, recirculated water condenser and subsidiary engine heat-exchange system 5 export is through cooling
The water return outlet of tower 1 enters in cooling tower 1, and the recirculated water entered in recirculated water bypath filter system 6 is divided into two after filtering
Road, wherein the water return outlet all the way through cooling tower 1 enters in cooling tower 1, another way is entered in recirculated water pH monitoring system 7；
The nutritional agents that nutritional agents dosing system 4 exports enters in nitrifier domestication dosing system 3, is tamed and dociled with cultivating nitrifier
Change the nitrifier in dosing system 3, the nitrifier that nitrifier domestication dosing system 3 is cultivated enters in flexible filler 2, and is enriched with
In the surface of flexible filler 2, then into the recirculated water in cooling tower 1, wherein nitre occurs in recirculated water for nitrobacteria
Change effect generates H+, H+It reacts with the alkali in recirculated water, to consume the basicity of recirculated water, prevents recirculated water fouling；
Controller by recirculated water pH monitor 7 real-time detection recirculated water of system pH value, when recirculated water pH value be greater than etc.
When preset value, then the output quantity that nitrifier domestication dosing system 3 increases nitrifier is controlled, so that the pH value of recirculated water is being set
In the range of.
Nutritional agents dosing system 4 and nitrifier tame 3 chain control of dosing system, are produced with nitration reaction in control loop water
Raw H+, nutritional agents dosing system 4 and recirculated water pH monitoring 7 chain control of system avoid recycling with the basicity of control loop water
Water sour corrosion.
The above is only the citing of the implementation steps of the utility model, it is noted that for the common of the art
For technical staff, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these
Improvement and modification also should be regarded as the protection scope of the utility model.
Claims (3)
1. a kind of recirculated water high concentration ratio system of simple economy, which is characterized in that supplement pipeline, cooling tower including recirculated water
(1), nutritional agents dosing system (4), nitrifier domestication dosing system (3) and recirculated water condenser and subsidiary engine heat-exchange system (5)；
Recirculated water supplement pipeline is connected with the water inlet of cooling tower (1), and the bottom of cooling tower (1) is provided with flexible filler (2),
The outlet of nutritional agents dosing system (4) is connected with the entrance of nitrifier domestication dosing system (3), and nitrifier tames dosing system
(3) outlet is connected with the entrance of flexible filler (2), the circulating-pump outlet of cooling tower (1) tower bottom and recirculated water condenser and
The entrance of subsidiary engine heat-exchange system (5) is connected, outlet and cooling tower (1) of recirculated water condenser and subsidiary engine heat-exchange system (5)
Water return outlet is connected.
2. the recirculated water high concentration ratio system of simple economy according to claim 1, which is characterized in that further include control
Device, recirculated water pH monitoring system (7) and recirculated water bypath filter system (6), wherein recirculated water bypath filter system (6) enter
Mouth is connected with the circulating-pump outlet of cooling tower (1) tower bottom, and the outlet of recirculated water bypath filter system (6) and recirculated water pH are monitored
The water return outlet of system (7) and cooling tower (1) is connected, and recirculated water pH monitors output end, the nutritional agents dosing system of system (7)
(4) control terminal of control terminal and nitrifier domestication dosing system (3) is connected with controller.
3. the recirculated water high concentration ratio system of simple economy according to claim 1, which is characterized in that flexible filler
It (2) is porous structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821878167.8U CN209178076U (en) | 2018-11-14 | 2018-11-14 | A kind of recirculated water high concentration ratio system of simple economy |
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| CN201821878167.8U CN209178076U (en) | 2018-11-14 | 2018-11-14 | A kind of recirculated water high concentration ratio system of simple economy |
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| CN209178076U true CN209178076U (en) | 2019-07-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109231439A (en) * | 2018-11-14 | 2019-01-18 | 西安西热水务环保有限公司 | A kind of the recirculated water high concentration ratio system and its working method of simple economy |
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2018
- 2018-11-14 CN CN201821878167.8U patent/CN209178076U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109231439A (en) * | 2018-11-14 | 2019-01-18 | 西安西热水务环保有限公司 | A kind of the recirculated water high concentration ratio system and its working method of simple economy |
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