CN207483422U - A kind of nuclear power plant's marine growth biocide combines chemicals dosing plant - Google Patents
A kind of nuclear power plant's marine growth biocide combines chemicals dosing plant Download PDFInfo
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- CN207483422U CN207483422U CN201721026457.5U CN201721026457U CN207483422U CN 207483422 U CN207483422 U CN 207483422U CN 201721026457 U CN201721026457 U CN 201721026457U CN 207483422 U CN207483422 U CN 207483422U
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Abstract
The utility model discloses a kind of nuclear power plant's marine growth biocides to combine chemicals dosing plant, including combination medicament dosing component, is connected between the tunnel chemical feeding points for being attached with marine growth by drug feeding pipeline, for adding non-oxidizable medicament to chemical feeding points interruption；Sodium hypochlorite medicament dosing component is converged with the combination medicament dosing component by drug feeding pipeline in the chemical feeding points upstream, for continuously adding sodium hypochlorite medicament to the chemical feeding points.Nuclear power plant's marine growth biocide combination chemicals dosing plant provided by the utility model can be killed effectively or inhibit the larva of the marine growths such as bacterium algae and shell or spore in recirculated cooling water, and medicament is avoided to waste, and reduce operating cost.
Description
Technical field
The utility model is related to nuclear power station recirculated water tunnel dosing fields, and in particular to a kind of nuclear power plant's marine growth biocide
Combine chemicals dosing plant.
Background technology
Nuclear power station treatment process of circulating cooling water is to generate the hypochlorous acid that concentration is about 1500ppm by electrolytic seawater at present
Sodium solution, to kill or inhibit the larva of the marine growths such as bacterium algae and shell or spore in recirculated cooling water, keep condenser and
Heat-exchange system is clean, ensures the flow area of water intaking runner.
In recent years, nuclear power station recirculated water water-supply method is limited by the requirement of regional environment, and refrigerated sea water is fetched water using tunnel
Mode.Long range seawater intake tunnel there are marine growth amount reproduction in tunnel is adhered to and is difficult to clean off technical barrier.
Traditional single oxidizing bactericide that adds can not meet tunnel dosing sterilization demand, novel dosing assembled scheme
Seek as an important research field.Therefore, a kind of nuclear power plant's marine growth biocide combination chemicals dosing plant is designed, meets tunnel
Hole dosing sterilization demand, is current nuclear power station recirculated water tunnel dosing field urgent problem.
Utility model content
For the above-mentioned prior art the problem of, the utility model provide a kind of nuclear power plant's marine growth biocide group
Chemicals dosing plant is closed, can solve that long range seawater intake tunnel is adhered to and is difficult to there are marine growth amount reproduction in tunnel
The problem of removing, can effectively kill or inhibit the larva of the marine growths such as bacterium algae and shell or spore in recirculated cooling water, and
And medicament is avoided to waste, reduce operating cost.
The utility model provides a kind of nuclear power plant's marine growth biocide combination chemicals dosing plant, including：
Combination medicament dosing component is connected by drug feeding pipeline between the tunnel chemical feeding points for being attached with marine growth, is used for
Non-oxidizable medicament is added to chemical feeding points interruption；
Sodium hypochlorite medicament dosing component, with the combination medicament dosing component by drug feeding pipeline on the chemical feeding points
Trip converges, for continuously adding sodium hypochlorite medicament to the chemical feeding points.
Preferably, the combination medicament dosing component includes：
Dosing component is run, for adding non-oxidizable medicament to the chemical feeding points interruption during normal operation；
Spare dosing component meets at the chemical feeding points upstream by drug feeding pipeline with the operation dosing component, is used for
Under spare condition non-oxidizable medicament is added to chemical feeding points interruption；
First flowmeter is set to the downstream of the operation dosing component and the spare dosing component point, and
Be set to the chemical feeding points upstream, for monitor it is described operation dosing component or the spare dosing component add it is non-oxide
Property medicament flow.
Preferably, the operation dosing component includes：
First medicament storage tank, for accommodating non-oxidizable medicament；
First dosing pump is connect with the first medicament storage tank by drug feeding pipeline, for provide power make it is non-oxidizable
Medicament is delivered to chemical feeding points by pharmaceutical pipeline.
Preferably, the operation dosing component further includes：
First pressure gauge is connected in the drug feeding pipeline of the first dosing pump discharge, for detecting first dosing
The outlet pressure of pump；
First check-valve, in the drug feeding pipeline in the downstream for being set to the first pressure gauge, for prevent described first plus
The medicament of Teat pipette outlet is flow backwards.
Preferably, the operation dosing component further includes：
First isolating valve is set in the drug feeding pipeline between the first medicament storage tank and first dosing pump；
Second isolating valve, is set to the downstream of the first check-valve, and is set to the operation dosing component and institute
State the upstream of spare dosing component point；
First isolating valve and second isolating valve are used in the case where needing to carry out isolation maintenance, to described the
One medicament storage tank and first dosing pump are isolated respectively.
Preferably, the sodium hypochlorite medicament dosing component includes：
Sodium hypochlorite storage tank, and preparing chlorine by electrolysis system connectivity, for providing sodium hypochlorite medicament to the chemical feeding points；
5th isolating valve is set in the drug feeding pipeline in the sodium hypochlorite water supply point downstream, for being isolated
The sodium hypochlorite water supply point is isolated during operation；
Second flowmeter is set to the 5th isolating valve downstream, and be set to the combination medicament dosing component and
The sodium hypochlorite medicament dosing component point upstream, for monitoring the flow of the sodium hypochlorite medicament.
Preferably, the spare dosing component is identical with the operation dosing component, connects including passing sequentially through drug feeding pipeline
Logical second medicament storage tank, third isolating valve, the second dosing pump, second pressure gauge, second check-valve and the 4th isolating valve.
Preferably, the first water-level gauge is provided in the first medicament storage tank, is provided in the second medicament storage tank
Two water-level gauges, first water-level gauge and second water-level gauge are respectively used to monitor the first medicament storage tank and described second
Medicament water level in medicament storage tank.
Preferably, the frequency that the operation dosing component and spare dosing component interruption add non-oxidizable medicament is
It adds weekly three times, it is 0.5 hour to add the time every time.
Preferably, the non-oxidizable drug concentration that the combination medicament dosing component adds be 6mg/L, the sodium hypochlorite
The sodium hypochlorite drug concentration that medicament dosing component adds is 1mg/L.
Nuclear power plant's marine growth biocide provided by the utility model combines chemicals dosing plant, can effectively kill or inhibit cycle
The larva of the marine growths such as bacterium algae and shell or spore in cooling water, and medicament is avoided to waste, reduce operating cost.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 combines chemicals dosing plant structure diagram for nuclear power plant's marine growth biocide provided by the utility model.
Specific embodiment
The utility model is directed to defect in the prior art, provides a kind of nuclear power plant's marine growth biocide combination and adds
Medicine device can solve that long range seawater intake tunnel is adhered to and is difficult to clean off there are marine growth amount reproduction in tunnel
The problem of, concrete thought is as follows：Sodium hypochlorite medicament is continuously added, while add to chemical feeding points interruption to the chemical feeding points
Non-oxidizable medicament can be killed effectively or inhibit the larva of the marine growths such as bacterium algae and shell or spore in recirculated cooling water,
And medicament is avoided to waste, reduces operating cost.
As shown in Figure 1, the utility model provides a kind of nuclear power plant's marine growth biocide combination chemicals dosing plant, including：Group
Medicament dosing component 1 is closed, is connected between the tunnel chemical feeding points for being attached with marine growth by drug feeding pipeline, for the dosing
Point interruption adds non-oxidizable medicament；Sodium hypochlorite medicament dosing component 2 passes through dosing with the combination medicament dosing component 1
Pipeline converges in the chemical feeding points upstream, for continuously adding sodium hypochlorite medicament to the chemical feeding points.In the present embodiment, institute
State non-oxidizable medicament model CT1304, a concentration of 6mg/L that combination medicament dosing component 1 adds, the sodium hypochlorite medicine
The sodium hypochlorite drug concentration that agent dosing component 2 adds is 1mg/L, can kill or inhibit bacterium algae and shell in recirculated cooling water
The larva of the marine growths such as class or spore.
Specifically, combination medicament dosing component 1 includes：Run dosing component 11, for during normal operation to the dosing
Point interruption adds non-oxidizable medicament；Spare dosing component 12 is met at the operation dosing component 11 by drug feeding pipeline
The chemical feeding points upstream, for adding non-oxidizable medicament to chemical feeding points interruption under spare condition；First flowmeter 13, if
The downstream of the operation dosing component 11 and spare 12 point of dosing component is placed in, and is set on the chemical feeding points
Trip, for monitoring the non-oxidizable medicament flow that the operation dosing component 11 or the spare dosing component 12 add.If
Put operation dosing component 11 and in the case that spare dosing component 12 can ensure a wherein line maintenance, entire nuclear power plant sea
Bio-insecticide combination chemicals dosing plant being capable of normal operation.Operation dosing component 11 and the spare interruption of dosing component 12 add
For the frequency of non-oxidizable medicament to add weekly three times, it is 0.5 hour to add the time every time.
Specifically, operation dosing component 11 includes：First medicament storage tank 111, for accommodating non-oxidizable medicament；First adds
Teat pipette 112, is connect with the first medicament storage tank 111 by drug feeding pipeline, passes through non-oxidizable medicament for providing power
Pharmaceutical pipeline is delivered to chemical feeding points；First pressure gauge 113 is connected in the drug feeding pipeline that first dosing pump 112 exports, uses
In the outlet pressure for detecting first dosing pump 112；First check-valve 114 is set to the downstream of the first pressure gauge 113
Drug feeding pipeline on, the medicament for preventing first dosing pump 112 from exporting is flow backwards；First isolating valve 115 is set to described
In drug feeding pipeline between first medicament storage tank 111 and first dosing pump 112；Second isolating valve 116 is set to described
The downstream of one check-valves 114, and it is set to the upper of the operation dosing component 11 and spare 12 point of dosing component
Trip；First isolating valve 115 and second isolating valve 116 are used in the case where needing to carry out isolation maintenance, to described
First medicament storage tank 111 and first dosing pump 112 are isolated respectively.
Since spare dosing component 12 is run under spare condition, spare dosing component 12 and the operation dosing group
Part 11 is identical, second medicament storage tank 121, third isolating valve 125, the second dosing pump including passing sequentially through drug feeding pipeline connection
122nd, second pressure gauge 123,124 and the 4th isolating valve 126 of second check-valve.
Specifically, sodium hypochlorite medicament dosing component 2 includes：Sodium hypochlorite storage tank 21 with preparing chlorine by electrolysis system connectivity, is used
In to the chemical feeding points provide sodium hypochlorite medicament；5th isolating valve 22 is set to 21 downstream of sodium hypochlorite water supply point
In drug feeding pipeline, for the sodium hypochlorite water supply point 21 to be isolated when needing to carry out isolated operation；Second flowmeter 23,
22 downstream of the 5th isolating valve is set to, and is set to the combination medicament dosing component 1 and the sodium hypochlorite medicament
2 point upstream of dosing component, for monitoring the flow of the sodium hypochlorite medicament.
In order to monitor the chemical content in the first pharmacy jar 111 and second medicament tank 121 at any time, convenient for supplementing medicine with oneself
Agent is provided with the first water-level gauge 111a in the first medicament storage tank 111, the second water level is provided in the second medicament storage tank 121
Meter 121a, the first water-level gauge 111a and the second water-level gauge 121a are respectively used to monitor the first medicament storage tank 111
With the medicament water level in the second medicament storage tank 121.
In conclusion nuclear power plant's marine growth biocide combination chemicals dosing plant provided by the utility model, has following beneficial
Effect：
1) it can effectively kill or inhibit the larva of the marine growths such as bacterium algae and shell or spore in recirculated cooling water；
2) medicament is avoided to waste, reduces operating cost.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (9)
1. a kind of nuclear power plant's marine growth biocide combines chemicals dosing plant, which is characterized in that including：
Combination medicament dosing component (1), is connected between tunnel chemical feeding points by drug feeding pipeline, for being interrupted to the chemical feeding points
Add non-oxidizable medicament；
Sodium hypochlorite medicament dosing component (2), with the combination medicament dosing component (1) by drug feeding pipeline in the chemical feeding points
Upstream is converged, for continuously adding sodium hypochlorite medicament to the chemical feeding points；
The combination medicament dosing component (1) includes：
Dosing component (11) is run, for adding non-oxidizable medicament to the chemical feeding points interruption during normal operation；
Spare dosing component (12) meets at the chemical feeding points upstream with the operation dosing component (11) by drug feeding pipeline,
For adding non-oxidizable medicament to chemical feeding points interruption under spare condition；
The sodium hypochlorite medicament dosing component (2) includes：
Sodium hypochlorite storage tank (21), and preparing chlorine by electrolysis system connectivity, for providing sodium hypochlorite medicament to the chemical feeding points；
5th isolating valve (22) is set in the drug feeding pipeline in sodium hypochlorite storage tank (21) downstream, for need carry out every
The sodium hypochlorite storage tank (21) is isolated during from operation.
2. nuclear power plant's marine growth biocide combination chemicals dosing plant according to claim 1, which is characterized in that the combination medicament
Dosing component (1) further includes：
First flowmeter (13) is set under the operation dosing component (11) and spare dosing component (12) point
Trip, and the chemical feeding points upstream is set to, for monitoring the operation dosing component (11) or the spare dosing component
(12) the non-oxidizable medicament flow added.
3. nuclear power plant's marine growth biocide combination chemicals dosing plant according to claim 2, which is characterized in that the operation dosing
Component (11) includes：
First medicament storage tank (111), for accommodating non-oxidizable medicament；
First dosing pump (112) is connect with the first medicament storage tank (111) by drug feeding pipeline, for provide power make it is non-
Oxidisability medicament is delivered to chemical feeding points by pharmaceutical pipeline.
4. nuclear power plant's marine growth biocide combination chemicals dosing plant according to claim 3, which is characterized in that the operation dosing
Component (11) further includes：
First pressure gauge (113) is connected in the drug feeding pipeline of first dosing pump (112) outlet, for detecting described the
The outlet pressure of one dosing pump (112)；
First check-valve (114), it is described for preventing in the drug feeding pipeline in the downstream for being set to the first pressure gauge (113)
The medicament of first dosing pump (112) outlet is flow backwards.
5. nuclear power plant's marine growth biocide combination chemicals dosing plant according to claim 4, which is characterized in that the operation dosing
Component (11) further includes：
First isolating valve (115) is set to adding between the first medicament storage tank (111) and first dosing pump (112)
On pencil road；
Second isolating valve (116), is set to the downstream of the first check-valve (114), and is set to the operation dosing group
The upstream of part (11) and spare dosing component (12) point；
First isolating valve (115) and second isolating valve (116) are right in the case where needing to carry out isolation maintenance
The first medicament storage tank (111) and first dosing pump (112) are isolated respectively.
6. nuclear power plant's marine growth biocide combination chemicals dosing plant according to claim 1, which is characterized in that the sodium hypochlorite
Medicament dosing component (2) further includes：
Second flowmeter (23) is set to the 5th isolating valve (22) downstream, and is set to the combination medicament dosing group
Part (1) and sodium hypochlorite medicament dosing component (2) the point upstream, for monitoring the flow of the sodium hypochlorite medicament.
7. nuclear power plant's marine growth biocide combination chemicals dosing plant according to claim 5, which is characterized in that the spare dosing
Component (12) is set up in parallel with the operation dosing component (11), the second medicament storage tank including passing sequentially through drug feeding pipeline connection
(121), third isolating valve (125), the second dosing pump (122), second pressure gauge (123), second check-valve (124) and the 4th
Isolating valve (126).
8. nuclear power plant's marine growth biocide combination chemicals dosing plant according to claim 7, which is characterized in that first medicament
The first water-level gauge (111a) is provided in storage tank (111), the second water-level gauge is provided in the second medicament storage tank (121)
(121a), first water-level gauge (111a) and second water-level gauge (121a) are respectively used to monitor the first medicament storage tank
(111) and the medicament water level in the second medicament storage tank (121).
9. nuclear power plant's marine growth biocide combination chemicals dosing plant according to claim 2, which is characterized in that the operation dosing
The frequency that component (11) and spare dosing component (12) interruption add non-oxidizable medicament is thrown every time to add weekly three times
It is 0.5 hour between added-time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721026457.5U CN207483422U (en) | 2017-08-16 | 2017-08-16 | A kind of nuclear power plant's marine growth biocide combines chemicals dosing plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721026457.5U CN207483422U (en) | 2017-08-16 | 2017-08-16 | A kind of nuclear power plant's marine growth biocide combines chemicals dosing plant |
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| CN207483422U true CN207483422U (en) | 2018-06-12 |
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| CN201721026457.5U Active CN207483422U (en) | 2017-08-16 | 2017-08-16 | A kind of nuclear power plant's marine growth biocide combines chemicals dosing plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508962A (en) * | 2022-01-14 | 2022-05-17 | 国能粤电台山发电有限公司 | Online cleaning device and method for adding chemicals and removing shells of condenser of seawater cooling unit |
-
2017
- 2017-08-16 CN CN201721026457.5U patent/CN207483422U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508962A (en) * | 2022-01-14 | 2022-05-17 | 国能粤电台山发电有限公司 | Online cleaning device and method for adding chemicals and removing shells of condenser of seawater cooling unit |
| CN114508962B (en) * | 2022-01-14 | 2024-02-02 | 国能粤电台山发电有限公司 | Seawater cooling unit condenser dosing and scallop removing online cleaning device and method |
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