CN206996308U - Dry filter membrane cartridge test equipment - Google Patents
Dry filter membrane cartridge test equipment Download PDFInfo
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- CN206996308U CN206996308U CN201720917471.8U CN201720917471U CN206996308U CN 206996308 U CN206996308 U CN 206996308U CN 201720917471 U CN201720917471 U CN 201720917471U CN 206996308 U CN206996308 U CN 206996308U
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Abstract
The utility model discloses a kind of dry filter membrane cartridge test equipment, the dry filter membrane cartridge test equipment includes：Sealing mechanism, the sealing mechanism are used for the mouth of a river for being tightly connected part in the filter core；Compressed air source unit, the compressed air source unit is communicated in the filter core, and the compressed air source unit is used to be provided with the filter core gas of pressure and is located at formed with gas circuit, the filtration membrane of the filter core in the gas circuit；Measurement apparatus, the measurement apparatus are communicated in the gas circuit, and flow value and/or atmospheric pressure value of the measurement apparatus for detecting the gas in the gas circuit.Dry filter membrane cartridge test equipment of the present utility model, using dry type test mode, effectively avoid damaging filter core, and energy consumption is low.Meanwhile it is simple with test, accuracy of measurement is high, can accurately and efficiently complete the structural intergrity test of filter core.
Description
Technical field
It the utility model is related to a kind of dry filter membrane cartridge test equipment.
Background technology
At present, the organic pollution in the filtration membrane removal raw water in filter core, heavy metal bacterium, virus are generally utilized
Deng making the clean water quality after processing, sterile, the drinking water of health, standard can be provided to people.
The existing method for testing tightness to filter core mainly using water inspection by the way of, by sentencing to filter core water flowing
It is disconnected, it can cause there is residual moisture inside filter core after detection, the hidden danger of germ contamination, and energy consumption are easily brought to filter core
It is high.The filter core test device of the mode of negative pressure gas inspection is employed in number of patent application 201620945282.7.But the test fills
Put there may be and be unable to reach the first preset pressure value so that the test device is not applied for the filter core that diaphragm rolls and surveyed
Examination, it is difficult to fluctuate big filter core for good permeability and gas permeability batch；Also likely to be present the second preset pressure value can not be accurate
The structural intergrity of filter core is assessed, causes the detection limit degree of accuracy low.
Utility model content
The technical problems to be solved in the utility model is to overcome existing test device pollution hidden trouble, energy to filter core to be present
Consumption is high, and the detection limit degree of accuracy is low, it is difficult to fluctuates the defects of big filter core is tested for good permeability and gas permeability batch, carries
For a kind of dry filter membrane cartridge test equipment.
The utility model is that solve above-mentioned technical problem by following technical proposals：
A kind of dry filter membrane cartridge test equipment, its feature are that it includes：
Sealing mechanism, the sealing mechanism are used for the mouth of a river for being tightly connected part in the filter core；
Compressed air source unit, the compressed air source unit is communicated in the filter core, and the compressed air source unit is used to provide the filter core
There is the gas of pressure and be located at formed with gas circuit, the filtration membrane of the filter core in the gas circuit；
Measurement apparatus, the measurement apparatus is communicated in the gas circuit, and the measurement apparatus is used to detect in the gas circuit
Gas flow value and/or atmospheric pressure value.
It is preferred that the dry filter membrane cartridge test equipment includes gas valve, the both ends point of the gas valve
The compressed air source unit and the filter core are not connected to and are connected with the compressed air source unit and the filter core.
It is preferred that the dry filter membrane cartridge test equipment includes control device, the control device is electrically connected to
The compressed air source unit, the gas valve, the sealing mechanism and the measurement apparatus；
The control device is used to receive the real time data that the measurement apparatus detects and for controlling the source of the gas to fill
Put, the gas valve and the sealing mechanism cut-off.
It is preferred that the dry filter membrane cartridge test equipment includes：
Base, the sealing mechanism, the compressed air source unit and the measurement apparatus are all connected to the top surface of the base；
Support base, the support base is connected to the top surface of the base, and the support base is used for the filter that is located by connecting
Core.
It is preferred that the measurement apparatus includes gas flowmeter, the gas flowmeter is connected to the filter core, with inspection
The flow value for the gas surveyed in the gas circuit；
And/or the measurement apparatus includes pressure gauge, the pressure gauge is connected to the filter core, to detect the gas
The atmospheric pressure value of gas in road.
It is preferred that the sealing mechanism includes cylinder, sealing gasket and keeper, the movable end of the cylinder is connected to institute
Sealing gasket and the keeper are stated, the sealing gasket is used for the mouth of a river for being tightly connected the filter core, and the keeper is used to position
Connect the filter core.
It is preferred that the compressed air source unit is negative pressure compressed air source unit or malleation compressed air source unit.
It is preferred that the dry filter membrane cartridge test equipment includes surge tank, the surge tank is communicated in the gas
Source device and the filter core.
It is preferred that the dry filter membrane cartridge test equipment includes cartridge seal case, second pressure gauge, the filter core
Seal box, which is used to seal, places the filter core, and the sealing mechanism is located in the cartridge seal case, and the second pressure gauge connects
Pass through the cartridge seal case.
On the basis of common sense in the field is met, above-mentioned each optimum condition, can be combined, produce the utility model respectively compared with
Good example.
Positive effect of the present utility model is：
Dry filter membrane cartridge test equipment of the present utility model, it can realize that dry type is tested, effectively avoid making filter core
Into destruction, and energy consumption is low.Meanwhile it is simple with test, accuracy of measurement is high, can accurately and efficiently complete the structure of filter core
Integrity test.
Brief description of the drawings
Fig. 1 is the structural representation of the dry filter membrane cartridge test equipment of the utility model embodiment 1.
Description of reference numerals：
Sealing mechanism 1, cylinder 11, sealing gasket 12, keeper 13
Vacuum generator 2, muffler 21
Measurement apparatus 3, gas flowmeter 31, pressure gauge 32
Filter core 4
Base 5
Support base 6
Surge tank 7
Ventilation block 8
Embodiment
Below by embodiment mode and become apparent from intactly illustrating the utility model with reference to accompanying drawing, but not therefore
The utility model is limited among described scope of embodiments.
Embodiment 1
As shown in figure 1, dry filter membrane cartridge test equipment of the present utility model, it is used to test an at least filter core 4
Structural intergrity.The filter core 4 includes but is not limited to for filtering membrane cartridge element, filter membrane element kit, combined filtration membrane filtration
Core element and component, filtering membrane cartridge element are to be made up of at least one filtration membrane, water inlet filter, pure water selvage guide and central tube
Wound membrane element；Filter membrane element kit is its membrane module that at least structural member such as a wound membrane element and putamina is formed；
Combined filtration membrane cartridge element and component are that its filtration membrane is at least two and two or more filtration membranes can be arbitrarily secondary
Sequence is radially arranged in order along central tube.Wherein, the filtration membrane of filter core 4 includes a kind of nanofiltration diaphragm or at least one counter-infiltration
Diaphragm and at least one nanofiltration diaphragm.Dry filter membrane cartridge test equipment of the present utility model is widely used, suitable for various
The test of the structural intergrity of filter core 4.
Dry filter membrane cartridge test equipment of the present utility model includes sealing mechanism 1, compressed air source unit (does not show in figure
Go out), measurement apparatus 3, sealing mechanism 1 is used to be tightly connected the mouth of a river of part in filter core 4, and sealing mechanism 1 can pass through sealing
The mouth of a river different in filter core 4 is connected, to be measured to the different zones of filter core 4.The mouth of a river of various filter cores 4 includes into water
Mouth, concentrated water spout and water purification mouth, the present embodiment are only made up of to discuss to the mouth of a river of filter core 4 water inlet, concentrated water spout and water purification mouth
State, but therefore the mouth of a river of filter core 4 is not limited among described scope of embodiments.
Compressed air source unit is communicated in filter core 4, and compressed air source unit is used to be provided with filter core 4 gas of pressure and formed with gas
Road, the filtration membrane of filter core 4 are located in gas circuit, i.e., the filtration membrane that the gas circuit that compressed air source unit provides passes through filter core 4.The present embodiment
Compressed air source unit be negative pressure compressed air source unit, the negative pressure compressed air source unit includes but is not limited to：Vavuum pump, vacuum generator 2 etc. are similar
The device or negative pressure air supply system of function.Preferably, muffler 21 can be installed on negative pressure compressed air source unit, effectively reduced
Noise pollution.
Measurement apparatus 3 is communicated in gas circuit, and flow value of the measurement apparatus 3 for detecting the gas in gas circuit.Wherein, measure
Device 3 can include gas flowmeter 31, and gas flowmeter 31 is connected to filter core 4, to detect the flow of the gas in gas circuit
Value.
Dry filter membrane cartridge test equipment of the present utility model, it is tightly connected by sealing mechanism 1 different in filter core 4
The mouth of a river, the flow value of the gas in different gas circuits is detected by gas flowmeter 31, so as to draw the different zones of filter core 4
Gas permeability, and data analysis is carried out to it, to judge the structural intergrity of the filter core 4.Using dry type test mode, effectively avoid
Filter core 4 is damaged, and energy consumption is low.Meanwhile it is simple with test, accuracy of measurement is high, can accurately and efficiently complete to filter
The structural intergrity test of core 4.
Dry filter membrane cartridge test equipment can include base 5, support base 6, and sealing mechanism 1, compressed air source unit are gentle
Flowmeter body 31 is all connected to the top surface of base 5, is easily installed and safeguards.Support base 6 is connected to the top surface of base 5, and supports
Seat 6 is used for the filter core 4 that is located by connecting.Support base 6 is provided with the groove to match with the outer surface of filter core 4, consequently facilitating fixed connect
Connection filter element 4, improve the stability and reliability of dry filter membrane cartridge test equipment.
Sealing mechanism 1 can include cylinder 11, sealing gasket 12 and keeper 13, and cylinder 11 is fixedly connected on base 5,
The movable end of cylinder 11 is connected to sealing gasket 12 and keeper 13, and sealing gasket 12 is used for the mouth of a river for being tightly connected filter core 4, keeper
13 are used for the filter core 4 that is located by connecting.The sealing effectiveness between sealing mechanism 1 and filter core 4 is improved, ensures the test of dry filter membrane cartridge
Stability and reliability of the equipment in test.Preferably, the material of sealing gasket 12 is rubber.
Wherein, sealing mechanism 1 can also include seal shaft (not shown), and the side of seal shaft is connected to cylinder
11, sealing gasket 12 and keeper 13 are connected to the opposite side of seal shaft, and the bottom of seal shaft is connected on base 5, effectively strengthen
The structural strength of sealing mechanism 1.Ventilation block 8 can also be fixedly connected with base 5, the and gas flow meter 31 of cylinder 11 can be with
It is connected on ventilation block 8, effectively strengthens the structural strength of dry filter membrane cartridge test equipment.Preferably, ventilating can be with block 8
Pressure gauge 32 is installed, pressure gauge 32 is communicated in gas circuit, and the atmospheric pressure value for observing gas circuit is used for by pressure gauge 32, monitors gas circuit
Whether atmospheric pressure value is stablized, and improves the stability of measurement apparatus 3.
In order to reach the stability that compressed air source unit provides air pressure, dry filter membrane cartridge test equipment can include buffering
Device, buffer unit can be surge tank 7, and surge tank 7 is communicated in compressed air source unit and filter core 4.Surge tank 7 is connected with gas circuit,
Stable air pressure can be provided for gas circuit, ensure the accuracy of dry filter membrane cartridge test equipment test.Preferably, surge tank
Pressure gauge can be provided with 7, for measuring the atmospheric pressure value in surge tank 7.
In order to reach the effect for being easy to control dry filter membrane cartridge test equipment, dry filter membrane cartridge test equipment can
To include gas valve (not shown), the both ends of gas valve are connected to compressed air source unit and filter core 4 and and source of the gas
Device is connected with filter core 4.It is easy to control cut-offfing for gas circuit by gas valve, improves dry filter membrane cartridge test equipment
Security and operability.
Dry filter membrane cartridge test equipment can also include control device (not shown), control device electrical connection
In compressed air source unit, gas valve, the and gas flow meter 31 of sealing mechanism 1, control device detects for receiving gas flowmeter 31
To real time data and for controlling cut-offfing for compressed air source unit, gas valve and sealing mechanism 1.It is easy to control, improves dry type mistake
The security of filter membrane filter core test equipment.Preferably, control device can also be electrically connected to pressure gauge 32, pass through pressure gauge 32
The fluctuation of atmospheric pressure value controls the test of dry filter membrane cartridge test equipment.
Using the method for testing of dry filter membrane cartridge test equipment of the present utility model, the method for testing includes following step
Suddenly：
S101, fixed filter core 4, start sealing mechanism 1, the mouth of a river of part in filter core 4 is sealed or filter core 4 in it is complete
The mouth of a river blow-by in portion.
In this step, sealing mechanism 1 can be sealedly attached to water inlet or concentrated water spout in filter core 4, certainly, sealing
Mechanism 1 can also simultaneously in blow-by filter core 4 water inlet and concentrated water spout.
S102, negative pressure compressed air source unit is opened, to be provided with the gas of pressure to gas circuit.
In this step, no matter sealing mechanism 1 is sealedly attached to water inlet or concentrated water spout in filter core 4, negative pressure source of the gas
Device is all connected with the water purification mouth of filter core 4 so that gas circuit can pass through the filtration membrane in filter core 4.
S103, record gas flowmeter 31 detect the flow value of the gas in gas circuit.
In this step, gas flowmeter 31 can be arranged at the water purification mouth in filter core 4, treat the number of gas flowmeter 31
After value stabilization, so as to record the flow value of the gas for the water purification mouth measured in filter core 4.The installation site of gas flowmeter 31 is not
It is limited at water purification mouth, the other positions for being communicated in gas circuit can also be arranged on.
S104, sealing mechanism 1 is tightly connected to the mouth of a river different in filter core 4, and carries out step S102's and step S103
Operation, record gas flowmeter 31 detect the flow value of the gas in different gas circuits respectively.
In this step, sealing mechanism 1 can be sealedly attached to water inlet or concentrated water spout in filter core 4 respectively so that
Two different gas circuits are formd, so as to measure the flow value of the gas of two different gas circuits.
Wherein, sealing mechanism 1 can be used for the whole for covering the mouth of a river in filter core 4, i.e. covering filter is fully sealed in sealing mechanism 1
Water inlet or concentrated water spout in core 4；The part at the mouth of a river in covering sealing filter core 4 is can be used for, i.e. sealing mechanism 1 can be with close
A part for water inlet or a part for concentrated water spout in envelope covering filter core 4.For example the water inlet in filter core 4 can be divided into 4
Decile, sealing mechanism 1 can seal 4 deciles of the water inlet in filter core 4 respectively so that by sealing the water in a filter core 4
Mouth can forms different gas circuits, so as to can record the flow value of multiple gases.
S105, the flow value of the gas in different gas circuits is compared, to judge whether filter core 4 is qualified.
In this step, statistical analysis is carried out according to the data of the flow value of the gas in different gas circuits, due to these
Data are all drawn by filter core 4 itself, and the mode that can be compared according to the data of these flow values has percentage ratio
Compared with, dispersion compares or difference comparsion, and according to the comparison of result and predetermined threshold value, judge the structural intergrity of filter core 4, i.e.,
Whether filter core 4 is qualified.
The method of testing of dry filter membrane cartridge test equipment of the present utility model can include leak detection step, leak detection step
It whether there is gas leakage between rapid detection sealing mechanism 1 and filter core 4.So as to judge the data measured by gas flowmeter 31
It is whether accurate, ensure the accuracy of method of testing.
A kind of concrete mode of the leak detection step may comprise steps of：Sealing mechanism 1 is tightly connected to the water of filter core 4
Mouthful, and only have a non-water cut off device not seal in filter core 4, that is, water inlet, concentrated water spout and the water purification mouth in filter core 4 have two
The individual mouth of a river is tightly connected with sealing mechanism 1, and a remaining mouth of a river is not connected Ji Wei non-water cut off device, gas flow with sealing mechanism 1
Meter 31 is communicated in non-water cut off device, according to the numerical value of gas flowmeter 31 to judge whether gas leakage.When gas flowmeter 31
When flow value is zero, then show no gas by the way that gas leakage is then not present between sealing mechanism 1 and filter core 4；Otherwise work as gas stream
When the flow value of gauge 31 is not zero, then gas leakage be present.
The leak detection step can also have another way to be detected, and dry filter membrane cartridge test equipment can include
Cartridge seal case (not shown), second pressure gauge, cartridge seal case, which is used to seal, places filter core 4, and sealing mechanism 1 is positioned at filter
In core seal box, second pressure gauge is communicated in cartridge seal case.Step of hunting leak is close to judge according to the atmospheric pressure value of second pressure gauge
Sealing mechanism 1 whether there is gas leakage with filter core 4.When the atmospheric pressure value of second pressure gauge is is constantly in constant, then show not gas
Body by and enter in cartridge seal case, then gas leakage is not present between sealing mechanism 1 and filter core 4；Otherwise work as second pressure gauge
Atmospheric pressure value when changing, then gas leakage be present.
It is stable that the method for testing of dry filter membrane cartridge test equipment of the present utility model can also include air supply system
Property detecting step, air supply system Detection of Stability step be used for detect negative pressure compressed air source unit offer pressure whether there is extraordinary wave
It is dynamic.So as to judge whether the data measured by gas flowmeter 31 are accurate, ensure the accuracy of method of testing.
Embodiment 2
The same section of the dry filter membrane cartridge test equipment structure and embodiment 1 of the present embodiment is no longer repeated, only right
Difference explains.The compressed air source unit of the dry filter membrane cartridge test equipment of the present embodiment is malleation compressed air source unit, and this is just
Source device of calming the anger includes but is not limited to：Air compressor, high-pressure pump, gas cylinder etc. can provide barotropic gas device or
Person's malleation air supply system.
Malleation compressed air source unit can be communicated in water inlet or concentrated water spout in filter core, and malleation compressed air source unit is provided filter core
There is the gas of pressure and be communicated in gas circuit formed with gas circuit, gas flowmeter, after the numerical stability of gas flowmeter, so as to remember
The flow value of gas flowmeter is measured in record.
Using the method for testing of the dry filter membrane cartridge test equipment of the present embodiment, detected not by gas flowmeter
With the flow value of the gas in gas circuit, the flow value of the gas in different gas circuits is compared, to judge whether filter core closes
Lattice.
Embodiment 3
The same section of the dry filter membrane cartridge test equipment structure and embodiment 1 of the present embodiment is no longer repeated, only right
Difference explains.The measurement apparatus of the dry filter membrane cartridge test equipment of the present embodiment is communicated in gas circuit, and measures dress
Put the atmospheric pressure value for detecting the gas in gas circuit.Wherein, measurement apparatus can include pressure gauge, and pressure gauge is connected to filter
Core, to detect the atmospheric pressure value of the gas in gas circuit.
Using the method for testing of the dry filter membrane cartridge test equipment of the present embodiment, different gas are detected by pressure gauge
The atmospheric pressure value of gas in road, the atmospheric pressure value of the gas in different gas circuits is compared, to judge whether filter core is qualified.
Wherein, in step s 103, before the atmospheric pressure value that start recording pressure gauge detects the gas in gas circuit, Ke Yiguan
Gas valve is closed, i.e. negative pressure compressed air source unit stops being provided with gas circuit the gas of pressure, is communicated in gas circuit by surge tank and is provided
There is the gas of pressure, so as to observe the pressure difference change of the pressure gauge on pressure gauge and/or ventilation block on surge tank.
Embodiment 4
The same section of the dry filter membrane cartridge test equipment structure and embodiment 2 of the present embodiment is no longer repeated, only right
Difference explains.The measurement apparatus of the dry filter membrane cartridge test equipment of the present embodiment is communicated in gas circuit, and measures dress
Put the atmospheric pressure value for detecting the gas in gas circuit.Wherein, measurement apparatus can include pressure gauge, and pressure gauge is connected to filter
Core, to detect the atmospheric pressure value of the gas in gas circuit.
Using the method for testing of the dry filter membrane cartridge test equipment of the present embodiment, different gas are detected by pressure gauge
The atmospheric pressure value of gas in road, the atmospheric pressure value of the gas in different gas circuits is compared, to judge whether filter core is qualified.
Wherein, in step s 103, before the atmospheric pressure value that start recording pressure gauge detects the gas in gas circuit, Ke Yiguan
Gas valve is closed, i.e. malleation compressed air source unit stops being provided with gas circuit the gas of pressure, is communicated in gas circuit by surge tank and is provided
There is the gas of pressure, so as to observe the pressure difference change of the pressure gauge on pressure gauge and/or ventilation block on surge tank.
Although the foregoing describing specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
This is merely illustrative of, and the scope of protection of the utility model is defined by the appended claims.Those skilled in the art
On the premise of without departing substantially from principle of the present utility model and essence, various changes or modifications can be made to these embodiments,
But these changes and modification each fall within the scope of protection of the utility model.
Claims (9)
1. a kind of dry filter membrane cartridge test equipment, it is characterised in that it includes：
Sealing mechanism, the sealing mechanism are used for the mouth of a river for being tightly connected part in the filter core；
Compressed air source unit, the compressed air source unit is communicated in the filter core, and the compressed air source unit is used to be provided with pressure to the filter core
The gas of power is simultaneously located in the gas circuit formed with gas circuit, the filtration membrane of the filter core；
Measurement apparatus, the measurement apparatus is communicated in the gas circuit, and the measurement apparatus is used to detect the gas in the gas circuit
The flow value and/or atmospheric pressure value of body.
2. dry filter membrane cartridge test equipment as claimed in claim 1, it is characterised in that the dry filter membrane cartridge is surveyed
Examination equipment includes gas valve, the both ends of the gas valve be connected to the compressed air source unit and the filter core and with institute
Compressed air source unit is stated with the filter core to be connected.
3. dry filter membrane cartridge test equipment as claimed in claim 2, it is characterised in that the dry filter membrane cartridge is surveyed
Examination equipment includes control device, and the control device is electrically connected to the compressed air source unit, the gas valve, the sealer
Structure and the measurement apparatus；
The control device is used to receive the real time data that the measurement apparatus detects and for controlling the compressed air source unit, institute
State cut-offfing for gas valve and the sealing mechanism.
4. dry filter membrane cartridge test equipment as claimed in claim 1, it is characterised in that the dry filter membrane cartridge is surveyed
Examination equipment includes：
Base, the sealing mechanism, the compressed air source unit and the measurement apparatus are all connected to the top surface of the base；
Support base, the support base is connected to the top surface of the base, and the support base is used for the filter core that is located by connecting.
5. dry filter membrane cartridge test equipment as claimed in claim 1, it is characterised in that the measurement apparatus includes gas
Flowmeter body, the gas flowmeter are connected to the filter core, to detect the flow value of the gas in the gas circuit；
And/or the measurement apparatus includes pressure gauge, the pressure gauge is connected to the filter core, to detect in the gas circuit
Gas atmospheric pressure value.
6. dry filter membrane cartridge test equipment as claimed in claim 1, it is characterised in that the sealing mechanism includes gas
Cylinder, sealing gasket and keeper, the movable end of the cylinder are connected to the sealing gasket and the keeper, and the sealing gasket is used for
The mouth of a river of the filter core is tightly connected, the keeper is used for the filter core that is located by connecting.
7. dry filter membrane cartridge test equipment as claimed in claim 1, it is characterised in that the compressed air source unit is negative pressure gas
Source device or malleation compressed air source unit.
8. dry filter membrane cartridge test equipment as claimed in claim 1, it is characterised in that the dry filter membrane cartridge is surveyed
Examination equipment includes surge tank, and the surge tank is communicated in the compressed air source unit and the filter core.
9. dry filter membrane cartridge test equipment as claimed in claim 1, it is characterised in that the dry filter membrane cartridge is surveyed
Examination equipment includes cartridge seal case, second pressure gauge, and the cartridge seal case, which is used to seal, places the filter core, the sealing
Mechanism is located in the cartridge seal case, and the second pressure gauge is communicated in the cartridge seal case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720917471.8U CN206996308U (en) | 2017-07-26 | 2017-07-26 | Dry filter membrane cartridge test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720917471.8U CN206996308U (en) | 2017-07-26 | 2017-07-26 | Dry filter membrane cartridge test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206996308U true CN206996308U (en) | 2018-02-13 |
Family
ID=61456035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720917471.8U Active CN206996308U (en) | 2017-07-26 | 2017-07-26 | Dry filter membrane cartridge test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206996308U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107321191A (en) * | 2017-07-26 | 2017-11-07 | 上海开能环保设备股份有限公司 | Dry filter membrane cartridge test equipment and its method of testing |
| CN114235660A (en) * | 2021-11-18 | 2022-03-25 | 中广核研究院有限公司 | Filter core integrality and gas permeability capability test device |
-
2017
- 2017-07-26 CN CN201720917471.8U patent/CN206996308U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107321191A (en) * | 2017-07-26 | 2017-11-07 | 上海开能环保设备股份有限公司 | Dry filter membrane cartridge test equipment and its method of testing |
| CN114235660A (en) * | 2021-11-18 | 2022-03-25 | 中广核研究院有限公司 | Filter core integrality and gas permeability capability test device |
| CN114235660B (en) * | 2021-11-18 | 2023-08-25 | 中广核研究院有限公司 | Filter element integrality and air permeability performance testing device |
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Address after: No. 508 and No. 518 Chuansha Zhenchuan Road, Pudong New District, Shanghai, 201200 Patentee after: Kai Ning health technology group Limited by Share Ltd Address before: 201200 518 Chuan Da Road, Pudong New District, Shanghai Patentee before: Shanghai Canature Environmental Products Co., Ltd. |