CN109238909A - A kind of device and method of portable measurement sewage solid suspension content - Google Patents
A kind of device and method of portable measurement sewage solid suspension content Download PDFInfo
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- CN109238909A CN109238909A CN201811390475.0A CN201811390475A CN109238909A CN 109238909 A CN109238909 A CN 109238909A CN 201811390475 A CN201811390475 A CN 201811390475A CN 109238909 A CN109238909 A CN 109238909A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/02—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content
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Abstract
The invention belongs to the field of building materials, and in particular to a kind of device and method of portable measurement sewage solid suspension content.Device includes collection bottle, and water sample filter membrane is arranged in water-storing bottle between collection bottle and water-storing bottle, collection bottle upper surface is arranged the first and second collection bottles and is open, and water-storing bottle upper surface sets water-storing bottle opening, and the bottom of water-storing bottle sets discharge outlet；When water sampling, the first collection bottle opening connection rubber aqueduct, rubber aqueduct is for drawing water sample to be determined, by the gas in the second collection bottle opening discharge collection bottle, so that water sample to be detected be made to pass through rubber water guide water inlet tube collection bottle；It when being filtered to water sample, is open by water-storing bottle and the gas of water-storing bottle is discharged, gas is entered by the second collection bottle opening, to be filtered to sewage.The present invention has multiple openings flexibly opened, and can install rubber aqueduct or ear washing bulb additional；By adjusting each opening combinations mode, the draught head provided using ear washing bulb realizes water intaking or filtering function.
Description
Technical field
The invention belongs to building material technical fields, and in particular to a kind of portable measurement sewage solid suspension content
Device and method.
Background technique
When carrying out the assay of solid suspension in all kinds of sewage in industry at this stage, generally require to be provided with individually
Intake equipment, and be transferred in special experimental determination instrument after water intaking, the collection of sewage sample and continuous mode are many and diverse,
Valid conclusion can not be effectively obtained at the scene.
And many sample point water intaking detection work, it generally requires to obtain first-hand detection data at the scene in time, in the market
Existing all kinds of detection devices are often inconvenient to carry, mutually independent with intake equipment, and need the support of external electric power can be into
Row detection, can not accomplish simple light, be unfavorable for manpower and carry and operation.
Summary of the invention
Technical problem solved by the invention is to provide a kind of device of portable measurement sewage solid suspension content
And method.
The technical solution for realizing the aim of the invention is as follows:
A kind of device of portable measurement sewage solid suspension content, described device include collection bottle, collection bottle lower section
Water-storing bottle is connected, water sample filter membrane is set between the collection bottle and water-storing bottle, the first collection bottle is arranged in the collection bottle upper surface
Opening and the second collection bottle opening, the water-storing bottle upper surface setting water-storing bottle are open, and discharge outlet is arranged in the bottom of water-storing bottle；
When water sampling, the first collection bottle opening connection rubber aqueduct, rubber aqueduct is used to draw to be determined
Water sample reduces the pressure in collection bottle, to make water sample to be detected by the gas in the second collection bottle opening discharge collection bottle
Pass through rubber water guide water inlet tube collection bottle；
When being filtered to water sample, it is open by the water-storing bottle and the gas of water-storing bottle is discharged, pass through the second collection bottle
Opening enters gas, makes to form pressure difference between collection bottle and water-storing bottle, to be filtered sewage.
Structure connection is connected through a screw thread between the collection bottle and water-storing bottle, the screw connection structure includes collection bottle
Internal thread interface and water-storing bottle external screw joint, the outer diameter of the water-storing bottle external screw joint are interior with collection bottle internal thread interface
Diameter is consistent；The outer diameter of the water-storing bottle external screw joint and the internal diameter of collection bottle internal thread interface are 20-30mm.
Setting isolation supporting network inside the water-storing bottle external screw joint, isolation supporting network are arranged below water sample filter membrane,
It is used to support and fixes water sample filter membrane.
Supporting network is isolated apart from water-storing bottle external screw joint 5-8mm, the aperture of water sample filter membrane is 0.45 μm -1.2 μm.
The second collection bottle opening is discharged and enters gas and water-storing bottle opening discharge gas all passes through ear washing bulb,
The lower end port of ear washing bulb is connect with the second collection bottle opening and water-storing bottle opening (3) respectively.
It further include flange type matched with the first collection bottle opening, the second collection bottle opening, water-storing bottle opening and discharge outlet
Bottle closure of rubber.
The hatch bore diameter of the first collection bottle opening, the second collection bottle opening and water-storing bottle opening is 3mm-8mm；It is described
The hatch bore diameter of water-storing bottle discharge outlet is 10mm-20mm；The caliber of the rubber aqueduct is consistent with collection bottle hatch bore diameter.
The plug of the flange type bottle closure of rubber to match with the first collection bottle opening, the second collection bottle opening and water-storing bottle opening
Bore is consistent with hatch bore diameter, and mouth depth is 6mm-8mm, and flange depth is 5mm-7mm；Match with water-storing bottle discharge outlet
Flange type bottle closure of rubber, mouth diameter is consistent with discharge outlet aperture, and mouth depth is 16mm-20mm, and flange depth is 15mm-
18mm。
The collection bottle material is glass, and volume 250mL-1000mL, bottle body is with a thickness of 3mm-5mm；The water-storing bottle
Material is polyethylene terephthalate (PET) material, and volume 500mL-2000mL, bottle body is with a thickness of 3mm-5mm；It catchments
The stamp of bottle scale is in collection bottle bottle side, and the scale division value of collection bottle scale is 10mL, and maximum value matches with collection bottle volume.
A kind of application method of above-mentioned apparatus, the specific steps are as follows:
Step 1 weighs the quality of water sample filter membrane, is placed on isolation supporting network (12), and rubber aqueduct is connected to the
One collection bottle opening, takes 1 ear washing bulb, pinches air therein to the greatest extent, and the pressing of its lower end port is connected to the second collection bottle and is opened
Mouthful；Water-storing bottle opening and water-storing bottle discharge outlet are blocked with flange type bottle closure of rubber；
Rubber aqueduct is placed in sampling water body by step 2, and the ear washing bulb of most wherein air has been pinched in release, by collection bottle
Ear washing bulb is sucked with the air in water-storing bottle, air pressure is caused in bottle to be lower than external atmosphere pressure, by draught head by sample point water sample
It is sucked in collection bottle by rubber aqueduct；
Step 3 repeats step 2, until volume of water sample reaches expected requirement in collection bottle；
Step 4 removes rubber aqueduct, blocks the first collection bottle opening with flange type bottle closure of rubber；An ear washing bulb is taken to make
The pressing of its lower end port is connected to the second collection bottle opening full of wherein by air；It separately takes an ear washing bulb and pinches most wherein air,
The pressing of its lower end port is connected to water-storing bottle opening；The ear washing bulb with the opening connection of the second collection bottle is squeezed, wherein air is made
Into collection bottle, while the ear washing bulb with water-storing bottle opening connection is discharged, sucks the air in water-storing bottle, make air pressure in collection bottle
Greater than water-storing bottle, so that water sample be made to pass through water sample filter membrane；
Step 5, if water sample repeats step 4 not entirely through water sample filter membrane in collection bottle, until water sample is complete in collection bottle
Full by water sample filter membrane；
Step 6, unwinding thread connection structure take out water sample filter membrane, dry, weigh and calculate of poor quality, obtain in water sample
Solid suspension content；Water-storing bottle discharge outlet is opened, water after filter is discharged, cleans and dismantle this equipment, completes measurement.
Compared with prior art, the present invention its remarkable advantage:
(1) present invention is provided with multiple openings flexibly opened, including 2 collection bottle openings and 1 water-storing bottle opening, can
To install rubber aqueduct or ear washing bulb additional；By adjusting each opening combinations mode, the draught head of ear washing bulb offer can use, it is real
Now water intaking or filtering function.
(2) Demountable assemble type equipment through the invention can be convenient operator and carry and can be quickly live in sampling
It is completed, is sampled and test job.
Present invention is further described in detail with reference to the accompanying drawing.
Detailed description of the invention
The structural schematic diagram of the device of the portable measurement sewage solid suspension content of Fig. 1 present invention.
Structure enlargement diagram at Fig. 2 water-storing bottle external screw joint of the present invention.
Fig. 3 flange type bottle closure of rubber schematic diagram, wherein figure (a) is to use preceding schematic diagram, figure (b) is schematic diagram in use.
Description of symbols:
The first collection bottle of 1- opening, the second collection bottle of 2- opening, 3- water-storing bottle opening, 4- water-storing bottle discharge outlet, 5- catchment
Bottle, 6- water-storing bottle, 7- collection bottle scale, 8- rubber aqueduct, 9- ear washing bulb, 10- collection bottle internal thread interface, 11- screw thread connect
Supporting network, 13- water sample filter membrane, 14- water-storing bottle external screw joint, 15- flange type bottle closure of rubber is isolated in binding structure, 12-.
Specific embodiment
As shown in Figure 1-3, the device of the convenient measurement sewage solid suspension content of one kind of the invention, comprising: collection bottle
5, the first collection bottle be open the 1, second collection bottle opening 2, collection bottle scale 7, be connected to collection bottle opening 1 rubber aqueduct 8,
Ear washing bulb 9, water-storing bottle 6, water-storing bottle opening 3, water-storing bottle discharge outlet 4；And the threaded connection of connection collection bottle 5 and water-storing bottle 6
Structure 11, including collection bottle internal thread interface 10 and water-storing bottle external screw joint 14；Collection bottle opening 3 is opened on collection bottle 5
Portion is configured with flange type bottle closure of rubber 15；Collection bottle scale 7 is stamped in 5 bottles of sides of collection bottle, for directly reading in collection bottle 5
Institute's water sampling volume；Rubber aqueduct 8 may connect to the first collection bottle opening 1, draw using draught head principle from sample point
Sewage is placed in collection bottle 5；Ear washing bulb 9 is connected to another opening in collection bottle top, it is possible to provide air pressure needed for present device
Difference；6 top of water-storing bottle is provided with water-storing bottle opening 3, is configured with water-storing bottle flange type bottle closure of rubber 15, originally sets for assisting providing
Standby required pressure difference；6 lower part of water-storing bottle is provided with water-storing bottle discharge outlet 4, is configured with water-storing bottle flange type bottle closure of rubber 15, uses
Water after filter in exclusion water-storing bottle 6；Water-storing bottle external screw joint 14 is internally provided with isolation supporting network 12, can be used for supporting solid
Determine water sample filter membrane 13.
Preferably, to guarantee stabilization of equipment performance, and consider the factors such as raw material intensity, translucency and durability, will collect
5 material of water bottle is set as glass material, and volume 250mL-1000mL, bottle body is with a thickness of 3mm-5mm；6 material of water-storing bottle is set
It is set to polyethylene terephthalate (PET) material, volume 500mL-2000mL, bottle body is with a thickness of 3mm-5mm.
Preferably, 5 top of collection bottle is provided with the first collection bottle opening 1 and the second collection bottle opening 2, hatch bore diameter
For 3mm-8mm, and it is configured with flange type bottle closure of rubber 15 and rubber aqueduct 8.
Preferably, 6 top of water-storing bottle is provided with water-storing bottle opening 3, hatch bore diameter 3mm-8mm, and is configured with and turns over
Side type bottle closure of rubber 15.
Preferably, the flange to match with the first collection bottle opening 1 and the second collection bottle opening 2 and water-storing bottle opening 3
The mouth diameter of type bottle closure of rubber 15 is that 3mm-8mm is consistent with hatch bore diameter, and it is rubber that its material, which is arranged,；To guarantee fastness, if
Setting mouth depth is 6mm-8mm, and the flange depth of setting flange type bottle closure of rubber 15 is 5mm-7mm.
Preferably, to guarantee connective stability, the material rubber of rubber aqueduct 8 is set, caliber catchments for 3mm-8mm
Bottle hatch bore diameter is consistent.
Preferably, the stamp of collection bottle scale 7 is in 5 bottles of sides of collection bottle, for directly reading institute's water sampling body in collection bottle 5
Product；The scale division value of collection bottle scale 7 is 10mL, and maximum value is 250mL-1000mL (matching with collection bottle volume).
Preferably, 6 lower part of water-storing bottle is provided with water-storing bottle discharge outlet 4, aperture 10mm-20mm, for excluding water storage
Water after filter in bottle 6；It is configured with discharge outlet flange type bottle closure of rubber, mouth diameter is 10mm-20mm (with discharge outlet aperture one
Cause), it is rubber that its material, which is arranged,；To guarantee that fastness, setting mouth depth are 16mm-20mm, its flange depth, which is arranged, is
15mm-18mm。
Preferably, as shown in Fig. 2, being provided with screw connection structure 11, including collection bottle between collection bottle 5 and water-storing bottle 6
Internal thread interface 10 and water-storing bottle external screw joint 14；Wherein 10 bore of collection bottle internal thread interface is 20mm-30mm, water-storing bottle
14 bore of external screw joint is 20mm-30mm (consistent with collection bottle external screw joint bore).
Preferably, water-storing bottle external screw joint 14 is internally provided with isolation supporting network 12, can be used for that fixed water sample is supported to filter
Film 13；It is 5mm-8mm that supporting network 12, which is isolated, apart from 14 upper end of water-storing bottle external screw joint distance；The aperture of water sample filter membrane 13 is
0.45μm-1.2μm。
The device of the convenient measurement sewage solid suspension content of one kind of the invention, application method are described as follows:
Collection bottle 5 and water-storing bottle 6 are connected through a screw thread structure 11 to connect, specifically by collection bottle external screw joint
10 and water-storing bottle external screw joint 14 screw connection；Wherein 5 material of collection bottle be glass material, volume 250mL-1000mL,
Bottle body is with a thickness of 3mm-5mm；6 material of water-storing bottle is polyethylene terephthalate (PET) material, volume 500mL-
2000mL, bottle body is with a thickness of 3mm-5mm；The opening of first collection bottle the 1, second collection bottle of opening opening 2 and water-storing bottle opening 3
Aperture is 3mm-8mm；The flange type bottle closure of rubber 15 being equipped with is set, mouth diameter is 3mm-8mm (consistent with hatch bore diameter), if
Setting its mouth depth is 6mm-8mm, and flange depth is 5mm-7mm；It is that 3mm-8mm (open by collection bottle that 8 caliber of rubber aqueduct, which is arranged,
Oral pore diameter is consistent)；Water-storing bottle discharge outlet 4 is arranged in 6 lower part of water-storing bottle, and aperture 10mm-20mm is equipped with discharge outlet flange type rubber
Glue bottle plug, mouth diameter are 10mm-20mm (consistent with discharge outlet aperture), and setting mouth depth is 16mm-20mm, flange depth
For 15mm-18mm；Setting isolation supporting network 12, is used to support fixed water sample filter membrane 13 inside water-storing bottle external screw joint 14；
Setting isolation supporting network 12 is 5mm-8mm apart from 14 upper end of water-storing bottle external screw joint distance；Taking aperture is 0.45 μm -1.2 μm
Water sample filter membrane 13, weigh the quality of water sample filter membrane 13, be placed in isolation supporting network 12 on.
Rubber aqueduct 8 is connected to collection bottle opening 1,1 ear washing bulb 9 is taken, pinches air therein to the greatest extent, and by its lower end
Port pressing is connected to the second collection bottle opening 2；Water-storing bottle opening 3 and water-storing bottle discharge outlet 4 are blocked with flange type bottle closure of rubber；
Rubber aqueduct 8 is placed in sampling water body, the ear washing bulb 9 of most wherein air has been pinched in release, is operated by this, can be by collection bottle
5 and water-storing bottle 6 in air suck ear washing bulb 9, cause in bottle air pressure to be lower than external atmosphere pressure, to will sample by draught head
Point water sample is sucked in collection bottle 5 by rubber aqueduct 8；Because water sample filter membrane 13 is a kind of semipermeable membrane material, in no subsequent operation
In the case where, water sample filter membrane 13 will not be passed through in the water sample short time；
After aforesaid operations, is required if volume of water sample is not up to expected in collection bottle 5, ear washing bulb 9 can be removed, pinched again
To the greatest extent air therein, and by its lower end port pressing be connected to the second collection bottle opening 2 after discharge, this section of step repeat into
Row, until volume of water sample reaches expected requirement in collection bottle 5；
Rubber aqueduct 8 is removed, and the first collection bottle is blocked with the flange type bottle closure of rubber that the first collection bottle opening 1 is equipped with
Opening 1；It takes an ear washing bulb 9 to make air full of wherein, the pressing of its lower end port is connected to collection bottle opening 2；Separately one is taken to wash ear
Ball 9 simultaneously pinches most wherein air, and the pressing of its lower end port is connected to water-storing bottle opening 3；Squeeze ear washing bulb 9, make wherein air into
Enter collection bottle 5, while discharging ear washing bulb 9, suck the air in water-storing bottle 6, air pressure in collection bottle 5 is made to be greater than water-storing bottle 6, thus
Water sample is promoted to pass through water sample filter membrane 13；
After aforesaid operations, if water sample can remove ear washing bulb 9, again not entirely through water sample filter membrane 13 in water-storing bottle 6
Make air full of wherein, and the pressing of its lower end port is connected to the second collection bottle opening 2, remove ear washing bulb 9, pinches to the greatest extent that its is hollow
Gas, and the pressing of its lower end port is connected to water-storing bottle opening 3；Squeeze ear washing bulb 9, make wherein air enter collection bottle 5, simultaneously
Ear washing bulb 9 is discharged, the air in water-storing bottle 6 is sucked, so that air pressure in collection bottle 5 is greater than water-storing bottle 6, so that water sample be promoted to pass through water
Sample filter membrane 13；This section of step may be repeated, until water sample passes through water sample filter membrane 13 completely in water-storing bottle 6；
Unwinding thread connection structure 11 takes out water sample filter membrane 13, dries, weighs and calculate that its is of poor quality, obtains in water sample
Solid suspension content；Water-storing bottle discharge outlet 4 is opened, water after filter is released, cleans and dismantle this equipment, completes measurement.
Claims (10)
1. a kind of device of portable measurement sewage solid suspension content, which is characterized in that described device includes collection bottle
(5), water sample filter membrane is arranged in the water-storing bottle (6) connected below collection bottle (5) between the collection bottle (5) and water-storing bottle (6)
(13), the first collection bottle opening (1) and the second collection bottle opening (2), the water-storing bottle is arranged in collection bottle (5) upper surface
(6) setting water-storing bottle in upper surface is open (3), and water-storing bottle discharge outlet (4) are arranged in the bottom of water-storing bottle (6)；
When water sampling, first collection bottle opening (1) connection rubber aqueduct (8), rubber aqueduct (8) for draw to
Water sample is measured, by the gas in the second collection bottle opening (2) discharge collection bottle (5), reduces the pressure in collection bottle (5), from
And water sample to be detected is made to pass through rubber aqueduct (8) water inlet collection bottle (5)；
When being filtered to water sample, by the gas of water-storing bottle opening (3) discharge water-storing bottle (6), catchment by second
Bottle opening (2) enters gas, makes to form pressure difference between collection bottle (5) and water-storing bottle (6), to be filtered sewage.
2. the apparatus according to claim 1, which is characterized in that pass through screw thread between the collection bottle (5) and water-storing bottle (6)
Connection structure (11) connection, the screw connection structure (11) includes that collection bottle internal thread interface (10) and water-storing bottle external screw thread connect
Mouth (14), the outer diameter of the water-storing bottle external screw joint (14) are consistent with the internal diameter of collection bottle internal thread interface (10)；The storage
The outer diameter of water bottle external screw joint (14) and the internal diameter of collection bottle internal thread interface (10) are 20mm-30mm.
3. the apparatus of claim 2, which is characterized in that setting isolation inside the water-storing bottle external screw joint (14)
Supporting network (12), isolation supporting network (12) setting are used to support and fix water sample filter membrane (13) below water sample filter membrane (13).
4. device according to claim 3, which is characterized in that isolation supporting network (12) is apart from water-storing bottle external screw joint
(14) upper end 5mm-8mm, the aperture of water sample filter membrane (13) are 0.45 μm -1.2 μm.
5. the apparatus according to claim 1, which is characterized in that the second collection bottle opening (2) is discharged and enters gas,
And water-storing bottle opening (3) discharge gas all pass through ear washing bulb (9), the lower end port of ear washing bulb (9) respectively with the second collection bottle
It is open (2) and water-storing bottle opening (3) connects.
6. the apparatus according to claim 1, which is characterized in that further include be open with the first collection bottle (1), the second collection bottle
Opening (2), water-storing bottle opening (3) and the matched flange type bottle closure of rubber (15) of water-storing bottle discharge outlet (4).
7. device according to claim 6, which is characterized in that the first collection bottle opening (1), the second collection bottle opening
(2) and the hatch bore diameter of water-storing bottle opening (3) is 3mm-8mm；The hatch bore diameter of the water-storing bottle discharge outlet (4) is 10mm-
20mm；The caliber of the rubber aqueduct (8) is consistent with collection bottle hatch bore diameter.
8. device according to claim 7, which is characterized in that be open with the first collection bottle opening (1), the second collection bottle
(2) and the mouth diameter of flange type bottle closure of rubber (15) that matches of water-storing bottle opening (3) is consistent with hatch bore diameter, and mouth depth is
6mm-8mm, flange depth are 5mm-7mm；The flange type bottle closure of rubber (15) to match with water-storing bottle discharge outlet (4), mouth diameter
Consistent with discharge outlet aperture, mouth depth is 16mm-20mm, and flange depth is 15mm-18mm.
9. the apparatus according to claim 1, which is characterized in that collection bottle (5) material is glass, volume 250mL-
1000mL, bottle body is with a thickness of 3mm-5mm；Water-storing bottle (6) material is polyethylene terephthalate (PET) material, is held
Product is 500mL-2000mL, and bottle body is with a thickness of 3mm-5mm；Collection bottle scale (7) stamp is carved in collection bottle (5) bottle side, collection bottle
The scale division value for spending (7) is 10mL, and maximum value matches with collection bottle (5) volume.
10. a kind of application method of the described in any item devices of claim 1-9, which is characterized in that specific step is as follows:
Step 1 weighs the quality of water sample filter membrane (13), is placed on isolation supporting network (12), and rubber aqueduct (8) are connected
It is open (1) in the first collection bottle, takes 1 ear washing bulb (9), pinch air therein to the greatest extent, and the pressing of its lower end port is connected to the
Two collection bottles are open (2)；Water-storing bottle opening (3) and water-storing bottle discharge outlet (4) are blocked with flange type bottle closure of rubber (15)；
Rubber aqueduct (8) is placed in sampling water body by step 2, and the ear washing bulb (9) of most wherein air has been pinched in release, will be catchmented
Air in bottle (5) and water-storing bottle (6) sucks ear washing bulb (9), and air pressure in bottle is caused to be lower than external atmosphere pressure, will by draught head
Sample point water sample passes through in rubber aqueduct (8) sucking collection bottle (5)；
Step 3, the ear washing bulb (9) in repetitive operation step 2, until volume of water sample reaches expected requirement in collection bottle (5)；
Step 4 removes rubber aqueduct (8), blocks the first collection bottle opening (1) with flange type bottle closure of rubber (15)；One is taken to wash
Ear ball (9) makes air full of wherein, and the pressing of its lower end port is connected to the second collection bottle opening (2)；Separately take an ear washing bulb (9)
And most wherein air is pinched, the pressing of its lower end port is connected to water-storing bottle opening (3)；It squeezes with the second collection bottle opening (2) even
The ear washing bulb (9) connect, make wherein air enter collection bottle (5), while discharging and being open (3) ear washing bulb (9) for connecting with water-storing bottle,
The air in water-storing bottle (6) is sucked, air pressure in collection bottle (5) is made to be greater than water-storing bottle (6), so that water sample be made to pass through water sample filter membrane
(13)；
Step 5, if water sample is not entirely through water sample filter membrane (13) in collection bottle (5), the ear washing bulb in repetitive operation step 4,
Until water sample passes through water sample filter membrane (13) completely in collection bottle (5)；
Step 6, unwinding thread connection structure (11) are taken out water sample filter membrane (13), dry, weigh and calculate of poor quality, obtain water
Solid suspension content in sample；It opens water-storing bottle discharge outlet (4), discharges water after filter, clean and dismantle this equipment, complete measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811390475.0A CN109238909A (en) | 2018-11-21 | 2018-11-21 | A kind of device and method of portable measurement sewage solid suspension content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811390475.0A CN109238909A (en) | 2018-11-21 | 2018-11-21 | A kind of device and method of portable measurement sewage solid suspension content |
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| Publication Number | Publication Date |
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| CN109238909A true CN109238909A (en) | 2019-01-18 |
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| CN201811390475.0A Pending CN109238909A (en) | 2018-11-21 | 2018-11-21 | A kind of device and method of portable measurement sewage solid suspension content |
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