CN210514284U - Device for quantitatively measuring ozone consumption of different water qualities - Google Patents
Device for quantitatively measuring ozone consumption of different water qualities Download PDFInfo
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- CN210514284U CN210514284U CN201921410220.6U CN201921410220U CN210514284U CN 210514284 U CN210514284 U CN 210514284U CN 201921410220 U CN201921410220 U CN 201921410220U CN 210514284 U CN210514284 U CN 210514284U
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Abstract
The utility model relates to a device for quantitatively measuring ozone consumption of different water qualities, which comprises a raw water tank, a gas-water mixing device, an ozone generator, an air source device and a DO3An on-line monitoring device and an automatic control computing device; the air source device, the ozone generator and the air-water mixing device are sequentially connected; the raw water tank and the gas-water mixing device form circulating communication through a pipeline; DO3The on-line monitoring device is provided with a first monitoring point positioned at the outlet of the gas-water mixing device leading to the original water tank and a second monitoring point positioned at the leading end of the gas-water mixing device; the channel of the gas-water mixing device, which leads to the raw water tank, is provided with a first valve, and the channel, which leads to the tail end, is provided with a second valve. DO3Indicating the concentration of ozone in the water. Book (I)The utility model discloses can survey different quality of water under direct current operating mode and circulation state for the proportion of pure water to ozone polyconsumption, can regard as the equipment lectotype and the engineering design basis of ozone treatment make-up water and circulating water respectively, also can guide equipment system's operation.
Description
Technical Field
The utility model relates to a detection device for ozone consumption degree of different water quality in direct current and recirculated cooling water, belonging to the recirculated cooling water treatment technical field.
Background
The ozone can be used for circulating cooling water treatment (national standard GB/T32017-. However, in engineering practice, the ozone consumption amounts of different water qualities are different, and because the components influencing the water quality are often very complex, the actual ozone consumption amount can not be obtained through theoretical calculation, and the specification and model of the equipment are exactly selected according to the required ozone adding amount, and the consequence is that: or the selection type is too small to achieve the expected treatment effect; or the model selection is too large, and the equipment investment and the operation cost are wasted. Improper equipment selection can also lead to improper engineering design, which can negatively impact implementation. In addition, when the equipment system is in operation, if the ozone adding amount cannot be adjusted according to the water quality change, the treatment effect is influenced or the electricity consumption is wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a method and device of different quality of water of quantitative determination to ozone consumption, realize simultaneously under two kinds of water treatment of direct current and circulation, different quality of water are to ozone consumption's quantitative determination, survey pending target water sample (recirculated cooling water and make-up water) to ozone's consumption, with the input volume of confirming ozone in the actual engineering application, under the prerequisite of guaranteeing treatment effect, equipment selection type and engineering design and guide the operation are accurately carried out, reduce the investment and the running cost of whole water treatment engineering.
The utility model adopts the following technical proposal:
a device for quantitatively measuring ozone consumption of different water quality comprises a raw water tank 5, a gas-water mixing device 3, an ozone generator 1, an air source device 2 and a DO3An online monitoring device 8; the air source device 2, the ozone generator 1 and the air-water mixing device 3 are connected in sequence; the raw water tank 5 and the gas-water mixing device 3 are in circulating communication through a pipeline; DO3The on-line monitoring device 8 is provided with a first monitoring point positioned at the outlet of the gas-water mixing device 3 leading to the original water tank 5 and a second monitoring point positioned at the tail end of the gas-water mixing device 3 leading to the tail end; a first valve 12 is arranged on a channel of the gas-water mixing device 3 leading to the raw water tank 5, and a second valve 11 is arranged on a channel leading to the tail end. Wherein, DO3Indicating the concentration of ozone in the water.
Preferably, the end is provided with an end tank 6.
Preferably, a booster pump 7 and a flow meter 4 are arranged between the raw water tank 5 and the gas-water mixing device 3.
Preferably, a third valve 10 is provided between the raw water tank 5 and the air-water mixing device 3.
The beneficial effects of the utility model reside in that: the proportion of different water qualities to the ozone consumption of purified water can be measured under the direct current working condition and the circulating state, and the water quality can be respectively used as the basis for equipment model selection and engineering design of water supplementing and circulating water treatment by ozone and can also guide the operation of an equipment system.
Drawings
FIG. 1 is a schematic diagram of the structure and arrangement of the device for quantitatively measuring ozone consumption by different water qualities.
FIG. 2 is a graph showing the total amount of ozone dissolved in target water in the method for measuring ozone depletion under the circulation condition.
FIG. 3 is a graph showing the total amount of ozone dissolved in the background water in the method for measuring ozone depletion under the circulation condition.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, a device for quantitatively determining ozone consumption of different water quality comprises a raw water tank 5, a gas-water mixing device 3, an ozone generator 1, an air source device 2 and DO3An online monitoring device 8 and an automatic control calculating device 9; the air source device 2, the ozone generator 1 and the air-water mixing device 3 are connected in sequence; raw water tank5. The gas-water mixing device 3 is in circulating communication through a pipeline; DO3The on-line monitoring device 8 is provided with a first monitoring point positioned at the outlet of the gas-water mixing device 3 leading to the original water tank 5 and a second monitoring point positioned at the tail end of the gas-water mixing device 3 leading to the tail end; a first valve 12 is arranged on a channel of the gas-water mixing device 3 leading to the raw water tank 5, and a second valve 11 is arranged on a channel leading to the tail end.
In this embodiment, the tip is provided with a tip water tank 6. A booster pump 7 and a flowmeter 4 are arranged between the raw water tank 5 and the gas-water mixing device 3. A third valve 10 is arranged between the raw water tank 5 and the gas-water mixing device 3.
A method for quantitatively measuring the ozone consumption of different water qualities includes such steps as using target water as test object water, using purified water as basic water, respectively mixing and dissolving ozone gas in the target water and the basic water under the conditions of same ozone generation amount, same water flow rate, same gas-water mixing efficiency and same water volume of system, and continuously measuring the dissolved ozone concentration DO in the target water and the basic water3(ii) a Under the direct current working condition, the target water is opposite to the bottom water DO3The reduction ratio of (a) is directly taken as the percentage of ozone consumed by the former relative to the latter; under the circulation condition, when the target water DO3When the set value is reached, the total amount of ozone dissolved in water from the moment when the ozone is added to the water to the moment is measured and calculated, the total amount of ozone dissolved in background water is measured and calculated in the same time period, and the reduction ratio of the former to the latter is calculated and is used as the percentage of ozone which is consumed more than the latter.
The first embodiment is as follows:
the method for measuring ozone consumption under the direct current working condition comprises the following steps:
s1, adding a certain volume of purified water into the raw water tank 5 to serve as bottom water, starting the waterway power and the second valve 11, closing the first valve 12, and checking the flow meter 4 until the flow in the pipeline is stable;
s2, starting the air source device 2, the ozone generator 1 and the air-water mixing device 3 to mix the ozone and the water and then flow to the tail end;
S3、DO3 online monitoring device 8 monitors DO in water in real time3And recording the time and DO of each test3Recording DO according to the self-controlled computing means 93The value and the time taken for the value to reach stability, namely DO in the background water under the direct current working condition3；
S4, emptying the device and the bottom water in the pipeline, adding a certain amount of target water into the raw water tank 5, then performing the test according to the steps S1-S3, and adjusting the ozone generator 1 to make the ozone generation amount consistent with that of the bottom water test;
S5、DO3 online monitoring device 8 monitors DO in water in real time3According to the calculation of the automatic control calculating device 9, the value after reaching the stability is DO in the target water under the direct current state3(ii) a Percent of ozone dissolved in the target water relative to the background to a small amount ═ DO3object-DO3Background |/DO3Background 100%.
In step S3, the automatic control computing device 9 records the DO3The stable value and the time can be realized by adopting a controller which is not dependent on a software program and integrates the function of a timer without adopting the automatic control calculating device 9;
it should also be noted that: in the above step S5, the value obtained after the stabilization by the calculation of the automatic control calculating device 9 is DO in the target water in the dc state3", it is also possible to use reception DO without software program, instead of the autonomous calculation means 93The on-line monitoring device 8 is realized by a controller for feeding back a signal monitoring signal; "percent ozone amount of target water less soluble in water relative to background | (DO)3object-DO3Background) |/DO3The calculation process of the background of 100 percent' does not need to adopt a software program to automatically calculate, but can also adopt a manual calculation mode to obtain;
therefore, the autonomous computing apparatus 9 is not an essential component for the apparatus to be implemented independently.
Example two:
the method for measuring ozone consumption under the circulating working condition comprises the following steps:
the circulating cooling water of a certain power plant is treated by adopting an ozone technology. Because this factory's moisturizing quality of water is complicated, can't calculate through the theory and reachs the ozone consumption, through adopting the utility model discloses testing arrangement and measuring method use actual pending circulating water as target water, the operating procedure as follows:
referring to fig. 1:
1. adding 0.5m into the raw water tank 53The corresponding pump 7 and valves 10 and 12 of the waterway are opened, the valve 11 is closed, the flowmeter 4 is checked to enable the flow rate in the pipeline to be stabilized at 0.5m3/h；
2. Starting the gas source device 1 and the ozone generator 2 to generate ozone and a gas-water mixing device 3, mixing the ozone and target water, and then feeding the mixed ozone and target water into the raw water tank 5;
3. by DO3Sensor and meter monitoring DO in water3And simultaneously, automatically acquiring and recording DO3 every 0.1 second by using a self-control computer until the ozone in the target water reaches 0.1mg/L, and at the moment (t)1) At the moment (t) from the beginning of ozone addition0) About 5 hours;
4. closing the test equipment, and emptying the water tank and the target water in the pipeline;
5. adding 0.5m into the raw water tank 53The purified water is used as the bottom water, then the test is carried out according to the steps 1 to 3, the ozone generation amount is adjusted to be consistent with that of the bottom water test until t1Time (t from ozone adding start time)0) About 5 hours) the automatic control device automatically closes the ozone generating device;
6. the self-control computer calculates S according to the following formulaBackground of the inventionAnd STarget(ii) a As shown in fig. 2 and 3.
7. Calculated to give the value at t0To t1Within the same time length，Ozone (%) that is consumed more by the target water than background | (S)Background of the invention-STarget)|/SBackground of the invention*100％＝20％。
According to a theoretical value (based on pure water), the model selection of the ozone generator is 6kg/h (ozone output); according to the above calculation result, it should be amplified by 20%, so it should select 7.2kg/h, and make corresponding adjustment to the oxygen generator, the cold drying machine, the air compressor, the refrigerator and the corresponding engineering design matched with the ozone generator.
It should be noted that, in the step 3, "automatically acquiring and recording DO3 every 0.1 second by the self-control computer" may also be completed by using a controller without using a computer program; in the implementation process of the step 5, the implementation process can be completed by using a controller instead of using a computer program; the calculation formulas in step 6 and step 7 may be calculated by using a programmable controller, or may be calculated manually, and the computer program is not a condition necessary for the hardware device in this embodiment to implement the functions.
The above two embodiments are the preferred embodiments of the present invention, and those skilled in the art can make various changes or modifications on the basis of the above embodiments, and these changes or modifications should fall within the scope of the present invention as claimed without departing from the general concept of the present invention.
Claims (4)
1. The utility model provides a device of different quality of water of ration is to ozone consumption which characterized in that:
comprises a raw water tank (5), a gas-water mixing device (3), an ozone generator (1), a gas source device (2) and DO3An online monitoring device (8);
the air source device (2), the ozone generator (1) and the air-water mixing device (3) are connected in sequence;
the raw water tank (5) and the gas-water mixing device (3) are in circulating communication through a pipeline;
DO3the on-line monitoring device (8) is provided with a first monitoring point positioned at the outlet of the gas-water mixing device (3) leading to the original water tank (5) and a second monitoring point positioned at the tail end of the gas-water mixing device (3);
a first valve (12) is arranged on a channel of the gas-water mixing device (3) leading to the raw water tank (5), and a second valve (11) is arranged on a channel leading to the tail end.
2. The apparatus for quantitatively determining the ozone depletion of different water qualities as set forth in claim 1, wherein: the tail end is provided with a tail end water tank (6).
3. The apparatus for quantitatively determining the ozone depletion of different water qualities as set forth in claim 1, wherein: a booster pump (7) and a flowmeter (4) are arranged between the raw water tank (5) and the gas-water mixing device (3).
4. The apparatus for quantitatively determining the ozone depletion of different water qualities as set forth in claim 1, wherein: a third valve (10) is arranged between the raw water tank (5) and the gas-water mixing device (3).
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| CN201921410220.6U CN210514284U (en) | 2019-08-28 | 2019-08-28 | Device for quantitatively measuring ozone consumption of different water qualities |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412233A (en) * | 2019-08-28 | 2019-11-05 | 上海铱钶环保科技有限公司 | Different quality is quantitative determined to the method and apparatus of ozone-depleting |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412233A (en) * | 2019-08-28 | 2019-11-05 | 上海铱钶环保科技有限公司 | Different quality is quantitative determined to the method and apparatus of ozone-depleting |
| CN110412233B (en) * | 2019-08-28 | 2024-08-02 | 上海铱钶环保科技有限公司 | Method and device for quantitatively measuring ozone consumption of different water qualities |
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