CN205981996U - Pollution index testing arrangement - Google Patents
Pollution index testing arrangement Download PDFInfo
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- CN205981996U CN205981996U CN201621009861.7U CN201621009861U CN205981996U CN 205981996 U CN205981996 U CN 205981996U CN 201621009861 U CN201621009861 U CN 201621009861U CN 205981996 U CN205981996 U CN 205981996U
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- water pot
- metering water
- setting
- cover replacing
- pollution index
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Abstract
The utility model discloses a pollution index testing arrangement relates to the test field. The device includes: water installations, trade the membrane device, control display device, air inlet unit and measurement water pitcher, water installations trade the membrane device with the measurement water pitcher is connected in order, air inlet unit connects respectively trade the membrane device with the measurement water pitcher. The utility model discloses simply, economy, effectual steady voltage mode, improve the accuracy of measured value. Level sensor corresponds with water pitcher ground scale, has combined speed formula flow sensor's convenience and positive displacement flow sensor's high accuracy. And measure with the manual work and get used to unanimously making things convenient for the check -up of sensor. SDI not only can be calculated to temperature, pressure value that the combination was collected, can also calculate other pollution index.
Description
Technical field
This utility model is related to field tests, more particularly, to a kind of pollution index test device.
Background technology
Membrane Separation for Water Treatment is widely used, and species is a lot, common are reverse osmosiss, nanofiltration, ultrafiltration, microfiltration, Membrane Materials
Etc..But, fouling membrane, especially microorganism, to the seriously polluted performance that have impact on membrane component of membranous system and life-span, hinder
This technology further popularization and application.
In prior art, a lot of indexs are used for passing judgment on the pollution level of membranous system or characterizing pollution level, and such as mud is dirty
Staining index SDI (the test method of Silt Density Index, standard ASTM D4189-07 definition), correction pollution index MFI
(Modified Fouling Index).
CN 101532938 discloses a kind of SDI tester, solves the error problem that manual measurement brings, but not
The open measurement whether carrying out MFI, meanwhile, the intake pressure of water sample stablized by the SDI tester of above-mentioned patent using pressure regulator valve,
Lead to adjust pressure limit is limited, stability general, the SDI tester of above-mentioned patent is poor or field working conditions are multiple in water quality
When using under conditions of miscellaneous, the problem existing is：When intake pressure fluctuation is larger, must select and its high-end pressure regulator valve could solve
The certainly big problem of hydraulic pressure fluctuation.If corrosivity water samples such as test sea water, all flow passage components in pressure regulator valve are also required to have pole
Good decay resistance, increases the cost of test device.
CN 101672756 discloses the workflow of test device.Collect doing of detected water sample with the hopper of constant volume
Method, simplifies the calculating of PLC, but also limit function.Because recording flow consecutive variations process in time, leading to can only
Calculate SDI value, and MFI, SDI can not be calculated+.
Utility model content
The purpose of this utility model is to provide a kind of pollution index test device, thus solving present in prior art
Foregoing problems.
To achieve these goals, pollution index test device described in the utility model, described device includes：Water inlet dress
Put, cover replacing device, control display device, air intake installation and metering water pot, described water feed apparatus, described cover replacing device and described meter
Amount water pot is sequentially connected with, and described air intake installation connects described cover replacing device and described metering water pot respectively；
Described metering water pot and described control display device communication connection；
Described air intake installation is adjusted with setting cover replacing device electromagnetic valve on the breather line of described cover replacing device and cover replacing device
Pressure valve；Described air intake installation and setting metering water pot electromagnetic valve and metering water pot pressure regulation on the breather line of described metering water pot
Valve；
Cover replacing device electromagnetic valve, cover replacing device pressure regulator valve, metering water pot electromagnetic valve and metering water pot pressure regulator valve all with described
Control display device communication connection.
Preferably, cover replacing device pressure transducer, the gas of described metering water pot are set at the air inlet of described cover replacing device
Body porch setting metering water pot pressure transducer, described cover replacing device pressure transducer and described metering water pot pressure transducer
All with described control display device communication connection.
Preferably, the agent structure of described metering water pot is tank body, and described tank body includes lid, can body and goes to the bottom, described
Upper lid setting voltage stabilizing gas access, described go to the bottom setting liquid inlet and liquid outlet, setting level transducer in described tank body,
The material of described tank body is transparent material, and the outer wall of described tank body arranges volume markings.
It is highly preferred that setting metering water pot water intaking valve at described liquid inlet, described liquid outlet setting metering water pot
Outlet valve, described metering water pot water intaking valve and described metering water pot outlet valve are all communicated to connect with described control display device；Institute
State level transducer and described control display device communication connection.
It is highly preferred that described upper setting stopper slot of going to the bottom, described on cover the connecting line outlet of setting level transducer, lead to
Cross described stopper slot and the outlet of described connecting line, described level transducer spacing on described lid and described go to the bottom between.
It is highly preferred that described level transducer is continuous way level transducer or switching regulator level transducer, described switch
The quantity of formula level transducer is more than or equal to 1；When the quantity of described switching regulator level transducer is 3, it is sequentially arranged from top to bottom
High limit switch formula level transducer, report to the police middle part switching regulator level transducer and lower bound position lower switches formula level transducer.
Preferably, described cover replacing device and setting temperature sensor and pressure sensing on the described metering tank connected passage of water
Device, described pressure transducer is arranged near the entrance of described cover replacing device, and described temperature sensor is near described metering water pot
Entrance is arranged, and described temperature sensor and described pressure transducer are all communicated to connect with described control display device.
Preferably, described water feed apparatus arrange booster pump.
Preferably, described water feed apparatus are the magnetic valve controlled feed device of four-way；Described cover replacing device is cylinder pressure
Compact form Film rolling mechanism；Described control display device is combined with HMI for PLC or control single chip computer and display screen combination.
The beneficial effects of the utility model are：
1st, simple, economic, effective voltage regulation way, improves the degree of accuracy of measured value.
2nd, liquid level sensor is corresponding with water pot ground scale, combines convenience and the volumetric flow of velocity-type sensor
The high accuracy of sensor.And consistent with manual measurement custom, facilitate the verification of sensor.
3rd, combine the temperature collected, pressure value, SDI not only can be calculated, other pollution indexs can also be calculated.
Brief description
Fig. 1 is the structural representation of described pollution index test device；
Fig. 2 is the structural representation of metering water pot described in the utility model；
1 represents lid, and 2 expressions are gone to the bottom, 3 expression can bodies, the entrance of 4 expression voltage stabilizing gases, 5 expression fluid to be measured entrances, 6
Represent fluid to be measured outlet.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing, to this reality
It is further elaborated with new.It should be appreciated that specific embodiment described herein is only in order to explain this practicality
New, it is not used to limit this utility model.
Embodiment
Pollution index test device described in the present embodiment, described device includes：Water feed apparatus, cover replacing device, control display
Device, air intake installation and metering water pot, described water feed apparatus, described cover replacing device and described metering water pot are sequentially connected with, described
Air intake installation connects described cover replacing device and described metering water pot respectively；
Described metering water pot and described control display device communication connection；
Described air intake installation is adjusted with setting cover replacing device electromagnetic valve on the breather line of described cover replacing device and cover replacing device
Pressure valve；
Described air intake installation is adjusted with setting metering water pot electromagnetic valve on the breather line of described metering water pot and metering water pot
Pressure valve；
Cover replacing device electromagnetic valve, cover replacing device pressure regulator valve, metering water pot electromagnetic valve and metering water pot pressure regulator valve all with described
Control display device communication connection.
Explanation is explained in more detail is：
(1), cover replacing device pressure transducer, the gas of described metering water pot are set at the air inlet of described cover replacing device
Porch setting metering water pot pressure transducer, described cover replacing device pressure transducer and described metering water pot pressure transducer are equal
With described control display device communication connection.Air intake installation connects the pressure that detected water sample stablized by metering water pot.Cover replacing device kind
Class is various, and herein described cover replacing device is cylinder compression type device, and this device needs air inlet.
Air intake installation is used for ensureing that the gas entering in tank body is voltage stabilizing gas, as known to the skilled person, adjustment
The pressure of gas in tank body, the as pressure of adjustment fluid to be measured outlet.
(2) agent structure of described metering water pot is tank body, and described tank body includes lid, can body and goes to the bottom, described upper lid
Setting voltage stabilizing gas access, described go to the bottom setting liquid inlet and liquid outlet, in described tank body, setting level transducer, described
Level transducer and described control display device communication connection.
The material of described tank body is transparent material, and the outer wall of described tank body arranges volume markings.Manually square when using
Just reading and calibration.
Setting metering water pot water intaking valve at described liquid inlet, described liquid outlet setting metering water pot outlet valve, institute
State metering water pot water intaking valve and described metering water pot outlet valve is all communicated to connect with described control display device；Described thing position sensing
Device and described control display device communication connection.
Described upper setting stopper slot of going to the bottom, described on cover setting level transducer connecting line outlet, by described limit
Position groove and the outlet of described connecting line, described level transducer spacing on described lid and described go to the bottom between.
Described level transducer is continuous way level transducer or switching regulator level transducer, described switching regulator thing position sensing
The quantity of device is more than or equal to 1；When the quantity of described switching regulator level transducer is 3, the number of described switching regulator level transducer
When measuring as 3, it is sequentially arranged high limit switch formula level transducer, report to the police middle part switching regulator level transducer and lower bound from top to bottom
Position lower switches formula level transducer.
The work process of water pot is measured described in the present embodiment：
1st, after fluid to be measured enters container from fluid to be measured entrance, because pressure is higher than compressed gas at voltage stabilizing gas access
Body pressure, liquid exports through fluid to be measured and discharges, and meanwhile, liquid level rises, now the fluid pressure in fluid to be measured exit with steady
Body inlet compression gas pressure of calming the anger is identical；
2nd, when liquid level reaches upper switches formula level transducer, fluid to be measured entrance is closed, it is to avoid fluid to be measured flows back
To compressed gas pipeline.
3rd, when liquid level is to lower switches formula level transducer, collection process terminates, and fluid to be measured entrance is opened, now liquid
Position is continued to rise and is discharged it is ensured that whole work process is continuous through fluid to be measured outlet simultaneously, no interruption.
(3) described cover replacing device and setting temperature sensor and pressure transducer on the described metering tank connected passage of water,
Described pressure transducer is arranged near the entrance of described cover replacing device, and described temperature sensor is near the entrance of described metering water pot
Setting, described temperature sensor and described pressure transducer are all communicated to connect with described control display device.
Booster pump is arranged on described water feed apparatus.
Described water feed apparatus are the magnetic valve controlled feed device of four-way；
Described cover replacing device is cylinder compression type Film rolling mechanism；
Described control display device is combined with HMI for PLC or control single chip computer and display screen combination.
Based on the method for testing of pollution index test device described in embodiment, methods described is to arrange based in metering water pot
Level transducer be switching regulator level transducer, specially：
S1, opens at least one intake tunnel of water feed apparatus and the air inlet electromagnetic valve of metering water pot, then judges to change film
Whether the upper inductive switch of the cylinder in device is opened, if it is, entering S2；If it is not, then closing the water inlet having been switched on
Passage, alarm is forced down in concurrent water outlet；
S2, when liquid level reaches low liquid level inductive switch in metering water pot, closes the air inlet electromagnetic valve of metering water pot, then
Open air inlet electromagnetic valve and the drain valve of metering water pot simultaneously, until liquid level is less than low liquid level inductive switch in metering water pot, then
Close air inlet electromagnetic valve and the drain valve of metering water pot, complete to measure the cleaning of water pot, enter S3；
S3, starts the motor of cover replacing device, and used film roll is licked film filter by described motor, opens cover replacing device
The first electromagnetic valve at air inlet, makes cylinder run downwards and triggers cylinder bottom inductive switch, enters S4, such as the next sense of cylinder
Inductive switch does not trigger, then shut down and send cylinder down position false alarm；
S4, opens the intake tunnel opened in step S1 and the air inlet electromagnetic valve of metering water pot, the liquid level in metering water pot
After rising to high level inductive switch, open the filter electromagnetic valve in cover replacing device and exhaust solenoid valve, the opening time is t, so
After close, when the liquid level in metering water pot is to high level inductive switch, close the intake tunnel opened；
S5, test
S51, while closing the intake tunnel in step S4, opens filter electromagnetic valve and starts timing, until liquid level fall
As little as low liquid level inductive switch, the duration T that record record consumes0；
S52, the opening and closing of the intake tunnel in rate-determining steps S4 are it is ensured that in each Preset Time, measure water pot
Interior liquid level is in high level inductive switch, starts timing while the intake tunnel being then shut off in step S4, records liquid level
Reach the duration T consuming during low liquid level inductive switchn；
Preset Time is 5min, 10min and 15min；
S53, controls display device SDI the and/or MFI value of the intake tunnel of test to be calculated and be shown, in conjunction with collect
Temperature, pressure value participate in calculating, and can show SDI+；
When level transducer is for switching regulator level transducer, control display device that the intake tunnel of test is calculated and be shown
SDI；When level transducer is for continuouss sensor, control display device be calculated and be shown test the SDI of intake tunnel,
MFI and SDI+.
By using technique scheme disclosed in this utility model, having obtained following beneficial effect：
1st, simple, economic, effective voltage regulation way, improves the degree of accuracy of measured value.
2nd, liquid level sensor is corresponding with water pot ground scale, combines convenience and the volumetric flow of velocity-type sensor
The high accuracy of sensor.And consistent with manual measurement custom, facilitate the verification of sensor.
3rd, combine the temperature collected, pressure value, SDI not only can be calculated, other pollution indexs can also be calculated.
The above is only preferred implementation of the present utility model it is noted that common skill for the art
For art personnel, on the premise of without departing from this utility model principle, some improvements and modifications can also be made, these improve and
Retouching also should regard protection domain of the present utility model.
Claims (9)
1. a kind of pollution index test device is it is characterised in that described device includes：Water feed apparatus, cover replacing device, control display
Device, air intake installation and metering water pot, described water feed apparatus, described cover replacing device and described metering water pot are sequentially connected with, described
Air intake installation connects described cover replacing device and described metering water pot respectively；
Described metering water pot and described control display device communication connection；
Described air intake installation and setting cover replacing device electromagnetic valve and cover replacing device pressure regulator valve on the breather line of described cover replacing device；
Described air intake installation and setting metering water pot electromagnetic valve and metering water pot pressure regulator valve on the breather line of described metering water pot；
Cover replacing device electromagnetic valve, cover replacing device pressure regulator valve, metering water pot electromagnetic valve and metering water pot pressure regulator valve all with described control
Display device communicates to connect.
2. according to claim 1 pollution index test device it is characterised in that at the air inlet of described cover replacing device arrange
Cover replacing device pressure transducer, setting metering water pot pressure transducer at the gas access of described metering water pot, the described film that changes fills
Put pressure transducer and described metering water pot pressure transducer is all communicated to connect with described control display device.
3. according to claim 1 pollution index test device it is characterised in that described metering water pot agent structure be tank
Body, described tank body includes lid, can body and goes to the bottom, described upper lid setting voltage stabilizing gas access, described setting liquid inlet of going to the bottom
And liquid outlet, setting level transducer in described tank body, the material of described tank body is transparent material, on the outer wall of described tank body
Setting volume markings.
4. pollution index test device measures water pot it is characterised in that arranging at described liquid inlet according to claim 3
Water intaking valve, described liquid outlet setting metering water pot outlet valve, described metering water pot water intaking valve and described metering water pot water outlet
Valve is all communicated to connect with described control display device；
Described level transducer and described control display device communication connection.
5. pollution index test device is it is characterised in that described upper setting stopper slot of going to the bottom, described according to claim 3
On cover the connecting line outlet of setting level transducer, by described stopper slot and the outlet of described connecting line, described thing position sensing
Device spacing on described lid and described go to the bottom between.
6. according to claim 3 pollution index test device it is characterised in that described level transducer be continuous way thing position
Sensor or switching regulator level transducer, the quantity of described switching regulator level transducer is more than or equal to 1；
When the quantity of described switching regulator level transducer is 3, it is sequentially arranged high limit switch formula level transducer, report from top to bottom
Alert middle part switching regulator level transducer and lower bound position lower switches formula level transducer.
7. according to claim 1 pollution index test device it is characterised in that described cover replacing device and described metering water pot
Setting temperature sensor and pressure transducer on the passage connecting, described pressure transducer sets near the entrance of described cover replacing device
Put, near the entrance setting of described metering water pot, described temperature sensor and described pressure transducer are equal for described temperature sensor
With described control display device communication connection.
8. according to claim 1 pollution index test device it is characterised in that on described water feed apparatus arrange booster pump.
9. according to claim 1 pollution index test device it is characterised in that
Described water feed apparatus are the magnetic valve controlled feed device of four-way；
Described cover replacing device is cylinder compression type Film rolling mechanism；
Described control display device is combined with HMI for PLC or control single chip computer and display screen combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621009861.7U CN205981996U (en) | 2016-08-30 | 2016-08-30 | Pollution index testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621009861.7U CN205981996U (en) | 2016-08-30 | 2016-08-30 | Pollution index testing arrangement |
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| Publication Number | Publication Date |
|---|---|
| CN205981996U true CN205981996U (en) | 2017-02-22 |
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| CN201621009861.7U Active CN205981996U (en) | 2016-08-30 | 2016-08-30 | Pollution index testing arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124368A (en) * | 2016-08-30 | 2016-11-16 | 合众高科（北京）环保技术股份有限公司 | A kind of pollution index test device and method of testing thereof |
-
2016
- 2016-08-30 CN CN201621009861.7U patent/CN205981996U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124368A (en) * | 2016-08-30 | 2016-11-16 | 合众高科（北京）环保技术股份有限公司 | A kind of pollution index test device and method of testing thereof |
| CN106124368B (en) * | 2016-08-30 | 2019-07-16 | 合众高科（北京）环保技术股份有限公司 | A kind of pollution index test device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |