CN211971793U - Seawater cooling circulating water marine biological control's simulation adds medicine experimental apparatus - Google Patents
Seawater cooling circulating water marine biological control's simulation adds medicine experimental apparatus Download PDFInfo
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- CN211971793U CN211971793U CN202020288200.2U CN202020288200U CN211971793U CN 211971793 U CN211971793 U CN 211971793U CN 202020288200 U CN202020288200 U CN 202020288200U CN 211971793 U CN211971793 U CN 211971793U
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Abstract
The utility model discloses a seawater cooling circulating water marine biological control simulated dosing experimental device, which comprises a medicament adding mechanism, a seawater input adjusting component, an experimental box and an electric cabinet; the chemical adding mechanism is provided with a chemical box and a dosing metering pump, one end of the dosing metering pump is connected with the chemical box, and the other end of the dosing metering pump is connected with the seawater input adjusting assembly; the seawater input adjusting assembly comprises a lifting pump, an adjusting valve and a float flowmeter, the lifting pump is connected with the adjusting valve, the adjusting valve is connected with the float flowmeter, and the float flowmeter is connected with the experiment box; the lift pump and the dosing metering pump are electrically connected with the electric cabinet. The utility model discloses a sea water refrigeration cycle marine biocontrol's simulation medicine experimental apparatus design scientific and reasonable can simulate thermal power factory sea water direct current refrigeration cycle water system operating condition, and the control effect to recirculated cooling water marine organism after throwing the material is thrown to various medicaments of inspection and various measurement provides the reference for the type of selection, ration, economy, the high-efficient use of recirculated cooling water system medicament.
Description
Technical Field
The utility model relates to a circulating water treatment technical field, concretely relates to online simulation cooling cycle water operating mode, synchronous detection adds medicine measurement and effect, and the simulation of throwing of in time adjustment medicament adds medicine experimental apparatus of throwing the sea water cooling cycle water marine biological control of measurement and kind adds.
Background
The circulating water system of the power plant mainly provides water with sufficient flow, moderate temperature and qualified water quality for the steam turbine condenser, and cools the steam turbine to exhaust steam. Circulating water of a thermal power plant in a coastal region is directly cooled by seawater, namely, a water taking point selected in the sea area of the power plant is lifted by a circulating pump to be cooled by a condenser and then directly discharged into the sea. In the long-term operation process, seawater marine organism larvae (such as brown seashells, barnacles, oysters, green mouths and the like) can enter a circulating water system pump, a pipeline and the interior of equipment along with the extracted seawater, and a large amount of grown adults cause corrosion to the pipeline of the equipment and block a flow channel, so that the normal operation of a power plant is seriously influenced and even the power plant is shut down. In order to eliminate the harm of marine organisms to the cooling circulating water system equipment, medicaments are generally added to kill or repel the marine organisms, the water quality is controlled, and the safe and reliable operation of the cooling circulating water system is ensured. At present, the marine organism control medicament is usually added in a timed and regular impact manner, and the medicament adding amount cannot be timely and effectively judged and adjusted when the medicament adding control effect needs to be stopped for maintenance or is temporarily stopped for inspection.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an online simulation cooling cycle water operating mode, synchronous detection adds medicine measurement and effect, in time adjusts the simulation of throwing of medicament with the sea water refrigeration cycle water marine biocontrol of measurement and kind and adds medicine experimental apparatus.
In order to overcome the defects in the prior art, the utility model adopts the following technical scheme:
a simulated dosing experimental device for seawater cooling circulating water marine biological control comprises a medicament adding mechanism, a seawater input adjusting assembly, an experimental box and an electric cabinet; the chemical adding mechanism is provided with a chemical box and a dosing metering pump, one end of the dosing metering pump is connected with the chemical box, and the other end of the dosing metering pump is connected with the seawater input adjusting assembly; the seawater input adjusting assembly comprises a lifting pump, an adjusting valve and a float flowmeter, the lifting pump is externally connected with a seawater area and is connected with the adjusting valve, the adjusting valve is connected with the float flowmeter, the float flowmeter is connected with the experiment box, and the experiment box drains water to the seawater area; the lift pump and the dosing metering pump are electrically connected with the electric cabinet.
Furthermore, the experimental box is provided with a mixing area, a marine organism area and a drainage area which are sequentially arranged, the mixing area is connected with the float flowmeter, and the drainage area is connected with a drainage to seawater area.
Furthermore, the mixing area is a plurality of clapboards which are separated to form a convoluted mixing channel.
Furthermore, be equipped with the perforated plate on the marine life district, the perforated plate cuts off marine life district and is two upper and lower regions, and lower region UNICOM's mixed zone, upper segment UNICOM's drainage zone.
Furthermore, a backflow valve is arranged on the lift pump and connected with a water inlet and a water outlet of the lift pump.
Furthermore, the water inlet and outlet of the dosing metering pump are provided with valves, and the valves enable the dosing metering pump to be more convenient to use and control.
The utility model has scientific and reasonable design, can simulate the operation condition of a seawater direct current cooling circulating water system of a thermal power plant, test the control effect on the circulating cooling marine organisms after various medicaments and various metering addition, and provide reference basis for the type selection, the quantification, the economy and the high-efficiency use of the medicaments of the circulating cooling water system; the test data can be directly used for determining the dosage of the medicament of the seawater direct current cooling circulating water marine organism control system.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive exercise according to the drawings:
FIG. 1 is a schematic view of an embodiment of a simulated dosing experimental apparatus for marine biological control of seawater cooling circulating water according to the present invention;
in the drawings: 1-a medicament addition mechanism; 2-seawater input adjusting component; 3-an experimental box; 4, an electric cabinet; 11-a kit; 12-dosing metering pump; 21-a lift pump; 22-a regulating valve; 23-a float flow meter; 211-a reflux valve; 31-a mixing zone; 32-marine life zone; 33-a drainage area; 321-perforated plate.
Detailed Description
The present invention will be described in detail with reference to the drawings and specific embodiments, and the exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.
As shown in fig. 1, a simulated dosing experimental device for seawater cooling circulating water marine biological control comprises a medicament adding mechanism 1, a seawater input adjusting assembly 2, an experimental box 3 and an electric cabinet 4; the chemical adding mechanism 1 is provided with a chemical tank 11 and a dosing metering pump 12, one end of the dosing metering pump 12 is connected with the chemical tank 11, the other end of the dosing metering pump 12 is connected with the seawater input adjusting assembly 2, and valves are arranged at the water inlet and the water outlet of the dosing metering pump 12 and enable the dosing metering pump 12 to be more convenient to use and control; the seawater input adjusting assembly 2 comprises a lifting pump 21, an adjusting valve 22 and a float flowmeter 23, wherein the lifting pump 21 is externally connected with a seawater area and is connected with the adjusting valve 22, precisely, a return valve 211 is arranged on the lifting pump 21, and the return valve 211 is connected with a water inlet and a water outlet of the lifting pump 21; the regulating valve 22 is connected with a float flowmeter 23, the float flowmeter 23 is connected with the experiment box 3, and the experiment box 3 drains water to a seawater area; the lift pump 21 and the dosing metering pump 12 are electrically connected with the electric cabinet 4.
It is worth mentioning that the experimental box 3 is provided with a mixing section 31, a marine life section 32 and a drainage section 33 which are arranged in sequence, the mixing section 31 is connected with the float flowmeter 23, and the drainage section 33 is connected with the drainage to sea water section. The mixing area 31 is a plurality of partition plates which are separated to form a convoluted mixing channel. The marine life zone 32 is provided with a porous plate 321, the porous plate 321 separates the marine life zone 32 into an upper zone and a lower zone, the lower zone is communicated with the mixing zone 31, and the upper zone is communicated with the drainage zone 33.
This embodiment is described in further detail:
and collecting representative healthy and viable marine organism imagoes in a cooling circulating water taking area, recording the quantity of the imagoes, and placing the imagoes on an inner hole plate 321 of the experimental box 3. The seawater lifting pump 21 is started, the flow regulating valve 22 and the return valve 211 are adjusted, and the floater flowmeter 23 is observed to enable the inflow flow (which is calculated and adjusted according to the flow/pipeline sectional area equal proportion) of the experiment box 3 to be equal to a power plant cooling circulating water system. And starting the dosing metering pump 12 to calibrate the flow to a test value, and dosing to be put into operation. The seawater is fed by the outlet pipeline of the lift pump 21 and enters the mixing area 31 of the experimental box 3, after return mixing, the seawater rises and permeates the porous plate 321 and the marine organism imagoes arranged on the porous plate 321, at the moment, the seawater containing the chemicals contacts and reacts with the marine organisms and enters the drainage area 33 to be discharged into the sea area.
Observing and recording the survival amount of marine organisms on days 1-7, and judging the effect and whether the dosage of the medicament needs to be adjusted. The seawater lift pump 21 and the dosing metering pump 12 in the device are manually controlled by the local control box 4 on the spot. The flow regulation is a manual regulation valve 22 regulation.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A simulated dosing experimental device for seawater cooling circulating water marine biological control comprises a medicament adding mechanism (1), a seawater input adjusting assembly (2), an experimental box (3) and an electric cabinet (4); the method is characterized in that:
the chemical adding mechanism (1) is provided with a chemical box (11) and a dosing metering pump (12), one end of the dosing metering pump (12) is connected with the chemical box (11), and the other end of the dosing metering pump is connected with the seawater input adjusting assembly (2); the seawater input adjusting assembly (2) comprises a lifting pump (21), an adjusting valve (22) and a float flowmeter (23), the lifting pump (21) is externally connected with a seawater area and is connected with the adjusting valve (22), the adjusting valve (22) is connected with the float flowmeter (23), the float flowmeter (23) is connected with the experiment box (3), and the experiment box (3) drains water to the seawater area; the lift pump (21) and the dosing metering pump (12) are electrically connected with the electric cabinet (4).
2. The seawater cooling circulating water marine biological control simulated dosing experimental device according to claim 1, characterized in that:
the experimental box (3) is provided with a mixing area (31), a marine organism area (32) and a drainage area (33) which are sequentially arranged, the mixing area (31) is connected with the float flowmeter (23), and the drainage area (33) is drained to the seawater area.
3. The seawater cooling circulating water marine biological control simulated dosing experimental device according to claim 2, characterized in that:
the mixing area (31) is a plurality of clapboards which are separated to form a convoluted mixing channel.
4. The seawater cooling circulating water marine biological control simulated dosing experimental device according to claim 2, characterized in that:
be equipped with perforated plate (321) on marine life district (32), perforated plate (321) cut off marine life district (32) and are two upper and lower regions, lower regional UNICOM mixed zone (31), upper segment UNICOM drainage zone (33).
5. The seawater cooling circulating water marine biological control simulated dosing experimental device according to claim 1, characterized in that:
be equipped with return valve (211) on lift pump (21), return valve (211) are connected the water inlet and the delivery port of lift pump (21).
6. The seawater cooling circulating water marine biological control simulated dosing experimental device according to claim 1, characterized in that:
and valves are arranged at the water inlet and the water outlet of the dosing metering pump (12), and the dosing metering pump (12) is more convenient to use and control through the valves.
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| CN202020288200.2U CN211971793U (en) | 2020-03-10 | 2020-03-10 | Seawater cooling circulating water marine biological control's simulation adds medicine experimental apparatus |
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| CN202020288200.2U CN211971793U (en) | 2020-03-10 | 2020-03-10 | Seawater cooling circulating water marine biological control's simulation adds medicine experimental apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113406284A (en) * | 2021-06-24 | 2021-09-17 | 广东核电合营有限公司 | Online testing device and method for biological biocide |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113406284A (en) * | 2021-06-24 | 2021-09-17 | 广东核电合营有限公司 | Online testing device and method for biological biocide |
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