CN109342678A - A kind of circulating dynamic check system of dissolved oxygen table - Google Patents
A kind of circulating dynamic check system of dissolved oxygen table Download PDFInfo
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- CN109342678A CN109342678A CN201811184848.9A CN201811184848A CN109342678A CN 109342678 A CN109342678 A CN 109342678A CN 201811184848 A CN201811184848 A CN 201811184848A CN 109342678 A CN109342678 A CN 109342678A
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- hypoxemia
- dissolved oxygen
- water tank
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 239000001301 oxygen Substances 0.000 title claims abstract description 76
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 76
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 210
- 206010021143 Hypoxia Diseases 0.000 claims abstract description 83
- 208000018875 hypoxemia Diseases 0.000 claims abstract description 83
- 150000002926 oxygen Chemical class 0.000 claims abstract description 67
- 238000012795 verification Methods 0.000 claims abstract description 21
- 230000001105 regulatory effect Effects 0.000 claims description 33
- 238000006392 deoxygenation reaction Methods 0.000 claims description 31
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000010992 reflux Methods 0.000 claims description 8
- 238000012360 testing method Methods 0.000 abstract description 6
- 230000007774 longterm Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of circulating dynamic check systems of dissolved oxygen table, which is characterized in that the check system includes: hypoxemia water loop, is used to provide hypoxemia water；Saturated oxygen water loop is used to provide saturated oxygen water；Mixer is used to mix in the hypoxemia water and the saturated oxygen water；Circuit is verified, is used to verify the dissolved oxygen amount of mixed sample；Circulation loop is used to for the mixed sample in the verification circuit being delivered in the saturated oxygen water loop and the hypoxemia water loop.The present invention is recycled the water sample after verification, without realizing that the water sample of verification is recycled, to lay a good foundation for dissolved oxygen table long-period stable operation in addition water sample in long-term certification test.
Description
Technical field
The present invention relates to water quality meters to verify field, and in particular to a kind of circulating dynamic check system of dissolved oxygen table.
Background technique
The presence of oxygen in water will increase the corrosion of structural material, decline its intensity.Especially work as Cl?In the presence of, it is molten
The presence of solution oxygen may cause the stress-corrosion cracking of Fe-Cr-Ni alloy.For safe and reliable, the Hen Duo electricity for guaranteeing device, equipment
Factory's boiler, ship's powerplant etc. reduce the corrosion of structural material using the method for removing oxygen in water, especially avoid tying
The stress-corrosion cracking of structure material.Dissolved oxygen table carries the task of monitoring content of oxygen dissolved in water, is to guarantee boiler of power plant, naval vessel
The important equipment of the stable operations such as power device.
The characteristics of dissolved oxygen table is due to its own is needed often to verify the accuracy to guarantee its measurement, especially newly be purchased
Or maintenance after dissolved oxygen table need on laboratory bench carry out long period certification test, thus guarantee its measurement accuracy and
The reliability of equipment.However, in long period certification test, there are the following problems: the standard dissolved oxygen water sample used is generally logical
After crossing standard scale and table to be measured, due to the variation of dissolved oxygen content, usually direct emission, thus a large amount of water sample is needed, and make
At waste.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of circulating dynamic checks of dissolved oxygen table
System, the water sample after the present invention verifies water sample are recycled, without adding water sample water sample in long-term certification test,
Realize that the water sample water sample of verification is recycled, to lay a good foundation for dissolved oxygen table long-period stable operation.
To achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of circulating dynamic check system of dissolved oxygen table, the check system include:
Hypoxemia water loop is used to provide hypoxemia water；
Saturated oxygen water loop is used to provide saturated oxygen water；
Mixer is used to mix in the hypoxemia water and the saturated oxygen water；
Circuit is verified, is used to verify the dissolved oxygen amount of mixed sample；
Circulation loop is used to the mixed sample in the verification circuit being delivered to the saturated oxygen water loop and described
In hypoxemia water loop；
Wherein, the verification circuit includes:
One standard branch which is provided with standard dissolved oxygen table；
At least one branch to be checked, every branch to be checked are parallel to the both ends of the standard branch；Described in every to
Inspection branch road be equipped with for install dissolved oxygen table to be checked to cautious；
One reflux branch, is parallel to the both ends of the standard branch.
Based on the above technical solution, the hypoxemia water loop includes:
Hypoxemia water tank is used to store the mixed sample in the circulation loop；
Hypoxemia water branch, both ends are respectively connected to the hypoxemia water tank and the mixer；Hypoxemia water branch road according to
Secondary string is equipped with the first water pump, the first regulating valve and first flowmeter.
Based on the above technical solution, the saturated oxygen water loop includes:
Saturated oxygen water tank is used to store the mixed sample in the circulation loop；
Saturated oxygen water branch, both ends are respectively connected to the saturated oxygen water tank and the mixer；The hypoxemia water branch
On successively string be equipped with the second water pump, the second regulating valve and second flowmeter.
Based on the above technical solution, the hypoxemia water branch further includes set on first regulating valve and described the
First deaerating plant of flow meters.
Based on the above technical solution, first deaerating plant includes:
First deoxygenation branch comprising the first deoxygenation part, the first threshold switch for being connected in the first deoxygenation part both ends；
First switch branch comprising the second threshold switch, the first switch branch and the first deoxygenation branch circuit parallel connection.
Based on the above technical solution, it is equipped with heating tape on the hypoxemia water tank and the saturated oxygen water tank, institute
Heating tape is stated for keeping water temperature constant；
Thermometer is equipped in the hypoxemia water tank and the saturated oxygen water tank；
Liquidometer is also equipped in the hypoxemia water tank and the saturated oxygen water tank.
Based on the above technical solution, the circulation loop includes:
First circulation branch, one end are connected in the standard branch；The first circulation branch road is equipped with check-valves；
Second circulation branch, one end are connected in the other end of the first circulation branch, and the other end is connected in the saturated oxygen
Water tank；
Third circulation branch road, one end are connected in the other end of the first circulation branch, and the other end is connected in the hypoxemia water
Case；The third circulation branch road is equipped with the second deaerating plant.
Based on the above technical solution, the second circulation branch road is equipped with the 5th regulating valve.
Based on the above technical solution, second deaerating plant includes:
Second deoxygenation branch comprising the second deoxygenation part, the third threshold switch for being connected in the second deoxygenation part both ends；
Second switch branch comprising the 4th threshold switch, the second switch branch and the second deoxygenation branch circuit parallel connection.
Based on the above technical solution, successively string is equipped with third tune for the standard branch and the branch road to be checked
Save valve, third flowmeter and pressure gauge；
The reflux branch road is equipped with the 4th regulating valve；
Wherein, the standard oxygen table, for install the oxygen table to be checked to cautious string respectively be set to the standard branch,
Between the third flowmeter and the pressure gauge of the branch road to be checked.
Compared with the prior art, the advantages of the present invention are as follows:
The present invention provides a kind of circulating check system of dissolved oxygen table, is recycled to the water sample after water sample verification,
Without realizing that the water sample water sample of verification is recycled in addition water sample water sample in long-term certification test, thus for dissolved oxygen table long week
Phase stable operation is laid a good foundation, and the direct emission for reducing water sample water sample causes to waste；Mixer mixing hypoxemia water and saturation
Oxygen water obtains mixed sample；It is respectively equipped with heating tape on hypoxemia water tank, saturated oxygen water tank, control hypoxemia water is respectively used to, satisfies
Reach the constant temperature of hypoxemia water tank, saturated oxygen water tank with the temperature of oxygen water；First regulating valve, the second regulating valve are respectively used to control
Hypoxemia water, saturated oxygen water flow flow before mixing so that gradually obtain the mixed samples of needs；Pressure gauge has pressure
Exceeded automatic cut out function；The present invention improves the reliability of dissolved oxygen table check system, safety.
Detailed description of the invention
Fig. 1 is one of the embodiment of the present invention circulating dynamic check system schematic of dissolved oxygen table；
Fig. 2 is the schematic diagram that circuit is verified in the embodiment of the present invention；
Fig. 3 is the schematic diagram of the first deaerating plant in the embodiment of the present invention；
Fig. 4 is the schematic diagram of the second deaerating plant in the embodiment of the present invention；
In figure: 11- hypoxemia water tank, 12- hypoxemia water branch, the first water pump of 121-, the first regulating valve of 122-, 123- first are removed
Oxygen device, 1231- the first deoxygenation part, the first threshold switch of 1232-, the second threshold switch of 1233-, 124- first flowmeter, 21- saturation
Oxygen water tank, the second water pump of 221-, the second regulating valve of 222-, 223- second flowmeter, 3- mixer, 41- standard branch, 411- mark
Quasi- dissolved oxygen table, 42- branch to be checked, 421- dissolved oxygen table to be checked, 43- reflux branch, 44- third regulating valve, 45- third flowmeter,
46- pressure gauge, the 4th regulating valve of 47-, 51- first circulation branch, 511- check-valves, 52- second circulation branch, 521- the 5th are adjusted
Save valve, 53- third circulation branch road, the second deaerating plant of 531-, 5311- the second deoxygenation part, 5312- third threshold switch, 5313- the
Four threshold switch, 6- heating tape, 7- thermometer, 8- liquidometer.
Specific embodiment
Clear, complete description is carried out below with reference to technical solution of the attached drawing to embodiment each in the present invention, it is clear that institute
The embodiment of description is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiment of the present invention,
Those of ordinary skill in the art's obtained all other embodiment without making creative work belongs to this
Invent protected range.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.It should be pointed out that all attached drawings are illustrative expression.For the ordinary skill of this field
For personnel, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
The present invention is described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.
Embodiment
Referring to shown in Fig. 1~4, the embodiment of the present invention provides a kind of circulating dynamic check system of dissolved oxygen table, the verification
System include for providing the hypoxemia water loop of hypoxemia water, the saturated oxygen water loop for providing saturated oxygen water, for will be described
Hypoxemia water and the mixer 3 of saturated oxygen water mixing, dissolved oxygen amount for verifying mixed sample verification circuit and be used for
Mixed sample in the verification circuit is delivered to the circulation loop in the saturated oxygen water loop and the hypoxemia water loop.
The embodiment of the invention provides a kind of circulating dynamic check systems of dissolved oxygen table, carry out recycling benefit to verification water sample
With without realizing that the water sample of verification is recycled, thus steady for dissolved oxygen table long period in addition water sample in long-term certification test
Fixed operation is laid a good foundation, and the direct emission for reducing water sample causes to waste.
Further, the hypoxemia water loop includes hypoxemia water tank 11 and hypoxemia water branch 12, the hypoxemia water branch 12
Both ends are respectively connected to the water outlet of the hypoxemia water tank 11 and the water inlet of the mixer 3, on the hypoxemia water branch 12 according to
Secondary string is equipped with the first water pump 121, the first regulating valve 122 and first flowmeter 124, and the hypoxemia water tank 11 is for storing for mixing
The hypoxemia water of conjunction, first water pump 121, which is used to enter mixer 3 for hypoxemia water, provides power, first regulating valve 122
Aperture detects hypoxemia water flow for adjusting flow of the hypoxemia water on hypoxemia water branch 12, and using first flowmeter 124
Numerical value；Further, the hypoxemia water branch 12 further includes being set to first regulating valve 122 and the first flowmeter 124
The first deaerating plant 123, first deaerating plant 123 for further remove in hypoxemia water tank hypoxemia water oxygen
Gas.As shown in figure 3, first deaerating plant 123 include the first deoxygenation branch and with the first deoxygenation branch circuit parallel connection the
One switching branches；First deoxygenation branch includes the first deoxygenation part 1231, the first valve for being connected in 1231 both ends of the first deoxygenation part
Switch 1232；First switch branch includes the second threshold switch 1233；First threshold switch 1232, the second threshold switch 1233 difference
For the first deoxygenation of switch branch, first switch branch.
Further, the saturated oxygen water loop includes saturated oxygen water tank 21 and saturated oxygen water branch, the saturated oxygen water
Branch both ends are respectively connected to the water outlet of the saturated oxygen water tank 21 and the water inlet of the mixer 3, the hypoxemia water branch
Successively string is equipped with the second water pump 221, the second regulating valve 222 and second flowmeter 223 on 12；Wherein, saturated oxygen water tank 21 is used for
Storage is used for mixed saturated oxygen water, and second water pump 221, which is used to enter mixer 3 for saturated oxygen water, provides power, described
The aperture of second regulating valve 222 uses second flowmeter 223 for adjusting flow of the saturated oxygen water on the road saturated oxygen Shui Zhi
Detect the numerical value of saturated oxygen water flow.
Wherein, the first regulating valve 122, the second regulating valve 222 are respectively used to the flow of control hypoxemia water, saturated oxygen water mixed
Flow before conjunction gradually obtains the mixed sample of needs in turn.
Wherein, the verification circuit includes a standard branch 41, two branches 42 to be checked and a reflux branch；The standard branch
Road 41 is equipped with standard dissolved oxygen table 411, and the standard dissolved oxygen table 411 is described for detecting；Two branches 42 to be checked are simultaneously
The both ends of the standard branch 41 are coupled to, every branch 42 to be checked is equipped with for installing the to be checked of dissolved oxygen table 421 to be checked
Point；The reflux branch circuit parallel connection is in the both ends of the standard branch 41.
Specifically, successively string is equipped with third regulating valve 44, third on the standard branch 41 and the branch to be checked 42
Flowmeter 45 and pressure gauge 46, the reflux branch road are equipped with the 4th regulating valve 47；Wherein, the standard oxygen table, for installing
The oxygen table to be checked is set to the standard branch 41, the third flowmeter on the branch 42 to be checked to cautious string respectively
Between 45 and the pressure gauge 46.Wherein, pressure gauge 46 has the function of the exceeded automatic cut out of pressure, improves the check system
Safety.
Companion is equipped on mode as an improvement of this embodiment, the hypoxemia water tank 11 and the saturated oxygen water tank 21
The torrid zone 6, the heating tape 6 is for keeping water temperature constant；Temperature is equipped in the hypoxemia water tank 11 and the saturated oxygen water tank 21
Degree counts 7, and hypoxemia water tank 11 described in real-time monitoring and the temperature in the saturated oxygen water tank 21 and the heating tape 6 are used cooperatively,
It realizes that temperature accurately controls, reduces dissolved oxygen table because of error caused by temperature-compensating；The hypoxemia water tank 11 and the saturated oxygen water
Liquidometer 8 is also equipped in case 21, for detecting the water level of the hypoxemia water tank 11 and the saturated oxygen water tank 21, described in realization
The control of hypoxemia water tank 11 and 21 water level of saturated oxygen water tank, improves the security reliability of the check system.
The heating tape 6 also can be replaced any refrigerating plant on the market, can reach preset temperature control.
Further, the circulation loop includes first circulation branch 51, second circulation branch 52 and third circulation branch road
53；51 one end of first circulation branch is connected in the standard branch 41, i.e., verification circuit, the other end are respectively connected to the second circulation
Branch 52, third circulation branch road 53；The first circulation branch 51 is equipped with check-valves 511, prevents on first circulation branch 51
Recirculated water flow back to verification circuit in；Second circulation branch 52, third circulation branch road 53 the other end be respectively connected to it is described full
It can be real after the saturated oxygen water tank 21, the hypoxemia water tank 11 initially dress water with oxygen water tank 21, the hypoxemia water tank 11
Existing water sample recycles, and the direct emission for reducing water sample causes to waste, to establish for dissolved oxygen table long-period stable operation
Basis；And the third circulation branch road 53 is connected in hypoxemia water loop, therefore the third circulation branch road 53 is equipped with second and removes
Oxygen device 531 will be passed through in hypoxemia water tank 11 for removing the oxygen in recirculated water containing the water sample compared with low dissolved oxygen；It is described
Second circulation branch 52 is equipped with the 5th regulating valve 521, convenient for adjusting the circulating water flow being passed through in saturated oxygen water tank 21, avoids
Water level is exceeded in saturated oxygen water tank, improves security reliability.As shown in figure 4, second deaerating plant 531 is removed including second
Oxygen branch and second switch branch with the second deoxygenation branch circuit parallel connection；Second deoxygenation branch include the second deoxygenation part 5311,
It is connected in the third threshold switch 5312 at 5311 both ends of the second deoxygenation part；Second switch branch includes the 4th threshold switch 5313；Institute
State third threshold switch 5312, the 4th threshold switch 5313 is respectively used to the second deoxygenation of switch branch, second switch branch.
As further improving and supplementing to the present embodiment, the check system further includes operation display control unit,
The aperture of the first regulating valve 122, the second regulating valve 222 is automatically controlled according to preset dissolved oxygen amount and actually detected dissolved oxygen amount,
Temperature control is carried out according to preset temperature, and then adjusts dissolved oxygen amount on the verification circuit, passes through first regulating valve
122, the second regulating valve 222, mixer 3 realize the adjusting to the entire check system dissolved oxygen amount, generate 1 μ g/L~
The standard water sample of any concentration dissolved oxygen, improves the degree of automation of the check system within the scope of 20000 μ g/L.
A kind of verification step of the embodiment of the present invention is as follows:
Hypoxemia water tank 11, saturated oxygen water tank 21 after dress water, each lead into the gas for being insoluble in water, oxygen to hypoxemia water for the first time
Dissolved oxygen amount in case 11, saturated oxygen water tank 21 corresponds to control heating tape 6 lower than 10 μ g/L, the 80000 μ g/L of μ g/L~90000
Reach so that the water temperature in hypoxemia water tank 11, saturated oxygen water tank 21 reaches preset temperature；
Hypoxemia water in hypoxemia water tank 11 enters mixer 3 using the first deaerating plant 123 in hypoxemia water branch 12；
Saturated oxygen water in saturated oxygen water tank 21 enters mixer 3 by saturated oxygen water branch；
After hypoxemia water, saturated oxygen water are sufficiently mixed in mixer 3, flow through to verification circuit in, and through standard oxygen table, to
It examines oxygen table and measures mixed sample dissolved oxygen amount；
Mixed sample after verifying is flow in circulation loop, branches to second circulation branch after flowing through first circulation branch 51
Road 52 and third circulation branch road 53, the mixed sample in second circulation branch 52 enter saturated oxygen water tank 21, third circulation branch road
Mixed sample in 53 enters back into hypoxemia water tank 11 after the second deaerating plant 531；
The saturated oxygen water in hypoxemia water, saturated oxygen water tank 21 in hypoxemia water tank 11 enters according to above-mentioned method mixed again
In clutch 3, into downstream, repeatedly circulation dynamic check is carried out.
In above-mentioned steps, operation display control unit controls the in the check system according to preset dissolved oxygen amount
One regulating valve 122, the second regulating valve 222 adjust practical dissolved oxygen amount.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention
Within the scope of.The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (10)
1. a kind of circulating dynamic check system of dissolved oxygen table, which is characterized in that the check system includes:
Hypoxemia water loop is used to provide hypoxemia water；
Saturated oxygen water loop is used to provide saturated oxygen water；
Mixer is used to mix in the hypoxemia water and the saturated oxygen water；
Circuit is verified, is used to verify the dissolved oxygen amount of mixed sample；
Circulation loop is used to the mixed sample in the verification circuit being delivered to the saturated oxygen water loop and the hypoxemia
In water loop；
Wherein, the verification circuit includes:
One standard branch which is provided with standard dissolved oxygen table；
At least one branch to be checked, every branch to be checked are parallel to the both ends of the standard branch；Every branch to be checked
Road be equipped with for install dissolved oxygen table to be checked to cautious；
One reflux branch, is parallel to the both ends of the standard branch.
2. the circulating dynamic check system of a kind of dissolved oxygen table according to claim 1, which is characterized in that the hypoxemia water returns
Road includes:
Hypoxemia water tank is used to store for mixed hypoxemia water；
Hypoxemia water branch, both ends are respectively connected to the hypoxemia water tank and the mixer；It successively goes here and there the hypoxemia water branch road
Equipped with the first water pump, the first regulating valve and first flowmeter.
3. the circulating dynamic check system of a kind of dissolved oxygen table according to claim 2, which is characterized in that the saturated oxygen water
Circuit includes:
Saturated oxygen water tank is used to store for mixed saturated oxygen water；
Saturated oxygen water branch, both ends are respectively connected to the saturated oxygen water tank and the mixer；Hypoxemia water branch road according to
Secondary string is equipped with the second water pump, the second regulating valve and second flowmeter.
4. the circulating dynamic check system of a kind of dissolved oxygen table according to claim 2, which is characterized in that the hypoxemia water branch
Road further includes the first deaerating plant set on first regulating valve and the first flowmeter.
5. the circulating dynamic check system of a kind of dissolved oxygen table according to claim 4, which is characterized in that first deoxygenation
Device includes:
First deoxygenation branch comprising the first deoxygenation part, the first threshold switch for being connected in the first deoxygenation part both ends；
First switch branch comprising the second threshold switch, the first switch branch and the first deoxygenation branch circuit parallel connection.
6. the circulating dynamic check system of a kind of dissolved oxygen table according to claim 3, which is characterized in that the hypoxemia water tank
Be equipped with heating tape on the saturated oxygen water tank, the heating tape is for keeping water temperature constant；
Thermometer is equipped in the hypoxemia water tank and the saturated oxygen water tank；
Liquidometer is also equipped in the hypoxemia water tank and the saturated oxygen water tank.
7. the circulating dynamic check system of a kind of dissolved oxygen table according to claim 3, which is characterized in that the circulation loop
Include:
First circulation branch, one end are connected in the standard branch；The first circulation branch road is equipped with check-valves；
Second circulation branch, one end are connected in the other end of the first circulation branch, and the other end is connected in the saturated oxygen water tank；
Third circulation branch road, one end are connected in the other end of the first circulation branch, and the other end is connected in the hypoxemia water tank；Institute
Third circulation branch road is stated equipped with the second deaerating plant.
8. the circulating dynamic check system of a kind of dissolved oxygen table according to claim 7, which is characterized in that the second circulation
Branch road is equipped with the 5th regulating valve.
9. the circulating dynamic check system of a kind of dissolved oxygen table according to claim 7, which is characterized in that second deoxygenation
Device includes:
Second deoxygenation branch comprising the second deoxygenation part, the third threshold switch for being connected in the second deoxygenation part both ends；
Second switch branch comprising the 4th threshold switch, the second switch branch and the second deoxygenation branch circuit parallel connection.
10. the circulating dynamic check system of a kind of dissolved oxygen table according to claim 1, which is characterized in that the standard branch
Successively string is equipped with third regulating valve, third flowmeter and pressure gauge for road and the branch road to be checked；
The reflux branch road is equipped with the 4th regulating valve；
Wherein, the standard oxygen table, for install the oxygen table to be checked be set to the standard branch, described to cautious string respectively
Between the third flowmeter of branch road to be checked and the pressure gauge.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811184848.9A CN109342678B (en) | 2018-10-11 | 2018-10-11 | Dissolved oxygen meter circulating type dynamic verification system |
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| CN201811184848.9A CN109342678B (en) | 2018-10-11 | 2018-10-11 | Dissolved oxygen meter circulating type dynamic verification system |
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